[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.12"]
[Round "1.1"]
[White "Martin Del Campo C., Jorge"]
[Black "Cori, Jorge"]
[Result "*"]
[ECO "A07"]
[WhiteElo "2019"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,39,30,46,37,36,28,22,20,23,23,25,16,25,0,11,0,13,0,14,-3,14,11,16,14,14,4,30,13,18,13,14,-8]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. d3 Bxf3 5. Bxf3 e6 6. Nd2 {A07: Réti Opening: New York and Capablanca Systems.} Nf6 {[#]} 7. c3 $146 ({Predecessor:} 7. O-O Nbd7 8. e4 Qc7 9. Qe2 Bd6 10. Bg2 O-O 11. f4 e5 12. f5 Rac8 13. g4 {1-0 (35) Junker,C (1981)-Krischak,W (1767) Wiesbaden 2016}) 7... Nbd7 8. a4 a5 9. Bg2 Be7 10. O-O O-O 11. h3 Qb6 12. Qb3 Qa6 13. Nf3 h6 14. Bf4 Rfc8 15. Rfe1 b5 16. Qc2 Nc5 17. b3 Qb6 18. Be3 {[#] aiming for b4.} Qd8 19. Nd2 Ncd7 20. f4 {Weighted Error Value: White=0.07 (flawless) /Black=0.07 (flawless)} *

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.1"]
[White "Martin Del Campo Cardenas, Jorge"]
[Black "Cori, Jorge"]
[Result "0-1"]
[ECO "A07"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,78,34,48,45,47,20,30,18,23,7,22,19,22,0,2,0,12,0,15,0,9,0,10,0,9,4,23,23,14,7,16,0,0,-15,-15,-8,9,-29,-35,-36,-12,-23,0,-3,-3,-33,0,-49,-52,-57,-28,-33,-27,-90,-75,-126,-107,-132,-132,-147,-123,-223,-223,-213,-214,-271,-204,-287,-152,-193,-111]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. d3 Bxf3 5. Bxf3 e6 6. Nd2 {A07: Réti Opening: New York and Capablanca Systems.} Nf6 {[#]} 7. c3 $146 ({Predecessor:} 7. O-O Nbd7 8. e4 Qc7 9. Qe2 Bd6 10. Bg2 O-O 11. f4 e5 12. f5 Rac8 13. g4 {1-0 (35) Junker,C (1981)-Krischak,W (1767) Wiesbaden 2016}) 7... Nbd7 8. a4 {White has an edge.} a5 9. Bg2 Be7 10. O-O O-O 11. h3 Qb6 12. Qb3 Qa6 13. Nf3 h6 14. Bf4 Rfc8 15. Rfe1 b5 16. Qc2 Nc5 17. b3 Qb6 18. Be3 {[#] Strongly threatening b4.} Qd8 19. Nd2 Ncd7 20. f4 Bc5 21. Bxc5 Nxc5 22. d4 Ncd7 23. e4 bxa4 24. Rxa4 Nb6 25. Ra2 c5 {aiming for ...cxd4.} 26. e5 Nfd7 {[%cal Bf6d7,Bd7f8,Bf8e6][%mdl 32]} 27. Qd3 cxd4 28. cxd4 (28. Qxd4 $11 Nc5 29. c4) 28... Qe7 $15 29. f5 exf5 30. Qxf5 Nf8 {Inhibits e6.} 31. Nf3 (31. Nf1 $11 {remains equal.}) 31... Rc3 $17 32. Rb1 ({White should try} 32. Nh4) 32... Ne6 33. Rf2 Ra7 34. Qg4 Qb4 {[%cal Ob6c4] [#] White must now prevent ...Nc4!} 35. Rfb2 (35. Kh2 $17) 35... Rac7 $19 {And now ...Rc1+ would win.} 36. Kh2 Re3 37. h4 Rec3 38. Qf5 (38. Ng1 {might work better.}) 38... Nd7 ({Stronger than} 38... Nxd4 39. Nxd4 Qxd4 40. Qf4 Qxf4 41. gxf4 $17) (38... g6 $19 39. Qh3 h5) 39. h5 (39. Qg4 $17 {was necessary.}) 39... Ndf8 {Weighted Error Value: White=0.22 (precise) /Black=0.13 (very precise)} (39... Nb8 $19 40. Ra1 Nc6) 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.2"]
[White "Mareco, Sandro"]
[Black "Guerrero Rodriguez, Alejandra"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2643"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,39,16,18,68,67,87,93,110,77,105,85,139,107,212,212,453,445,528,491,471,462,881,858,1098,1045,1242,933,29993,29994]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d5 7. e5 Ne4 {E11: Bogo-Indian.} ({Black should try} 7... Nfd7 $1 $11) 8. Qc2 $14 f5 9. exf6 $1 Nxf6 {White is better.} 10. Bd3 c5 {[%cal Ob7b5]} 11. dxc5 Bxc5 (11... a5 $142) 12. b4 {[#]} dxc4 $146 ({Predecessor:} 12... Bd6 13. Bb2 Nc6 14. b5 Ne7 15. Bxf6 Rxf6 16. Bxh7+ Kh8 17. Bd3 e5 18. cxd5 Nxd5 {0-1 (30) Poessel,C (1993)-Groeger,S (2116) Germany 2019}) 13. Nxc4 $18 ({Don't take} 13. Qxc4 $6 Be7 $16) 13... Bxf2+ (13... Bd4) 14. Kxf2 Ng4+ 15. Ke2 Nc6 16. Bb2 b5 {[#]} (16... Kh8 $142 17. Rad1 e5 18. Bxh7 Qe8) 17. Rad1 $1 Qc7 {[#]} (17... Qe7 18. Bxh7+) 18. Nce5 $1 {[%mdl 512]} Ngxe5 (18... Nf6 19. Ng5) 19. Nxe5 Qb6 20. Bxh7+ {White took control after the opening.  Weighted Error Value: White=0.22 (precise) /Black=1.44} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.3"]
[White "Jorajuria Mendoza, Algol"]
[Black "Santos Latasa, Jaime"]
[Result "0-1"]
[ECO "B53"]
[BlackElo "2640"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,90,8,36,38,50,12,20,15,22,-35,-20,-28,-14,-12,-5,-43,-44,-50,-38,-64,-79,-79,-76,-76,-50,-50,-50,-62,-57,-65,-50,-91,-90,-97,-35,-39,-42,-42,-33,-46,-35,-46,-46,-62,-62,-62,-62,-56,-62,-62,-68,-55,-44,-44,-48,-48,-53,-81,-80,-91,-73,-74,-72,-144,-143,-159,-162,-157,0,0,0,-123,-76,-245,-245,-245,-245,-245,-245,-768,-751,-743,-647]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Bg5 Bd7 6. Nc3 {B53: Sicilian: 2...d6: Lines with Qxd4.} Nc6 7. Qe3 Ng4 8. Qd2 {The position is equal.} h6 {[#]} 9. Be3 $146 ({White should play} 9. Bh4 $11) ({Predecessor:} 9. Bf4 g5 10. Bg3 Bg7 11. h3 Nge5 12. Nxe5 Nxe5 13. Nd5 Rc8 14. O-O-O Bc6 15. f3 Bxd5 16. Qxd5 {1-0 (37) Kanmazalp,O (2431)-Paszewski,M (2280) Graz 2017}) 9... Nxe3 $15 10. Qxe3 e6 11. O-O-O a6 {Inhibits Nb5.} 12. Nd4 Be7 13. Nxc6 bxc6 14. Qg3 O-O {[%cal Bh8f8,Bf8d8,Bd8d4][%mdl 32]} 15. Rxd6 Bxd6 16. Qxd6 Bc8 (16... a5 {with more complications.} 17. Na4 Qf6 18. f4 Rfd8 19. g3 Bc8) 17. Qxd8 Rxd8 18. Na4 a5 19. b3 Ba6 20. c4 (20. Bxa6 $15 Rxa6 21. Nb2) 20... Rd4 $17 {Black is more active.} 21. Nc5 Rad8 22. Be2 $1 $15 ({Not} 22. Nxa6 $2 Rd1+ 23. Kc2 R8d2+ 24. Kc3 Rxa2 $19) 22... Bc8 23. e5 $1 Kf8 24. Rd1 Ke7 25. Rxd4 Rxd4 {[%mdl 4096] Endgame KRB-KBN} 26. Bf3 Bd7 27. a4 f6 28. exf6+ gxf6 29. Nb7 e5 $1 30. Nxa5 Kd6 31. Nb7+ Kc7 $1 {[%mdl 1024] Black has compensation.} 32. Nc5 Kb6 $1 33. Ne4 f5 34. Nc3 Ka5 35. Kc2 Be8 36. g3 {[#]} (36. Be2 $142) 36... Kb4 $1 $17 37. Na2+ {[#]} Ka3 $1 38. Nc1 f4 $2 (38... e4 $17 39. Be2 c5) 39. Kc3 $1 $11 Bg6 40. a5 ({Avoid the trap} 40. Bxc6 $2 Rd1 41. Ne2 Rd3+ 42. Kc2 Rxg3+ 43. Kd1 Rxb3 $19) (40. c5 $1 $11) 40... c5 $17 {White must now prevent ...e4.} 41. Bc6 {White does not recover from this.} (41. Be2 $17 {only move.}) 41... Rd1 $19 42. a6 {a7 is the strong threat.} Rxc1+ 43. Kd2 Rc2+ 44. Kd1 $2 (44. Ke1 Kxb3 45. a7) 44... Kxb3 {Hoping for ...Ra2.} 45. a7 Bh5+ {Weighted Error Value: White=0.24 (precise) /Black=0.09 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.4"]
[White "Meier, Georg"]
[Black "Amezcua Luria, Jesus"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2631"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,87,0,35,31,32,29,27,26,41,6,7,8,24,25,29,36,108,107,108,102,141,141,141,147,169,174,167,162,147,150,239,195,195,191,198,195,189,125,145,138,134,122,136,135,206,200,374,340,378,371,371,371,364,355,334,357,562,547,492,484,455,493,657,628,694,675,678,678,594,572,739,746,1466,1330]} 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. d4 O-O 7. Nc3 Ne4 8. Bd2 $1 {[%mdl 4] is currently scoring better than 8.Qc2.} f5 9. Ne5 {E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3).} Nxc3 10. Bxc3 Bxg2 11. Kxg2 {[%cal Oe2e4] White has an edge.} d6 12. Nf3 $5 {[%mdl 4] [#] A promising side line.} Nd7 $146 ({Predecessor:} 12... Bf6 13. Qd3 Nd7 14. e4 g6 15. Rfe1 Bg7 16. Rad1 Nf6 17. exf5 exf5 18. Ng5 Qd7 {1-0 (33) Sarana,A (2651)-Kozlov,G (2380) Moscow 2019}) 13. Qd3 Qc8 14. e4 Qb7 15. Rae1 {Hoping for exf5.} Rae8 (15... f4 $14) 16. exf5 $16 exf5 17. Re6 Bd8 18. Rxe8 {White is more active.} Rxe8 19. Qxf5 Nf6 20. d5 {Threatens to win with Ng5.} c6 21. Rd1 cxd5 22. cxd5 Qd7 (22... Qf7 $16 23. Bb4 Ne4) 23. Qxd7 Nxd7 {[#]} 24. Nd4 $1 Bf6 25. Nb5 {[%csl LRa7,LRd6]} Bxc3 26. Nxc3 $18 {[%mdl 4096] Endgame KRN-KRN} ({Better is} 26. bxc3 $18 Re2 27. a4 (27. Nxd6 Rxa2 28. Re1 h6 $18)) 26... a6 27. f4 Nf6 28. Kf3 h5 29. h3 Kf7 (29... b5 $16 {is a better defense.} 30. Rd4 Re1) 30. g4 {[%cal Bg3g4,Bg4g5][%mdl 32]} g6 $2 {[#]} (30... hxg4+ 31. hxg4 b5) 31. g5 $1 Ng8 32. Ne4 Rd8 33. Rc1 Ne7 {Inhibits Rc8.} 34. Rc7 Kf8 35. Nf6 Rc8 (35... b5 {was worth a try.} 36. Ke3 a5) 36. Nd7+ {White is clearly winning.} Ke8 37. Rxc8+ Nxc8 {KN-KN} 38. Nb8 (38. Nf6+ Ke7 39. a4 Kf8 40. Nd7+ Kf7 $18) 38... Ne7 39. Ke4 a5 40. Nc6 {White wants to mate with Nxe7.} Nf5 41. Nd4 Ng3+ 42. Kf3 Nf1 43. f5 gxf5 44. Nxf5 {Weighted Error Value: White=0.06 (flawless) /Black=0.33} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.5"]
[White "Cortes Rodriguez, Marco"]
[Black "Santos Ruiz, Miguel"]
[Result "0-1"]
[ECO "A13"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,55,0,0,0,0,15,0,8,0,0,-23,-23,-35,-52,-47,-39,-54,-48,-53,-65,-45,-35,-47,-38,-94,-83,-325,-327,-316,-339,-315,-276,-466,-175,-471,-478,-474,-467,-566,-434,-546,-397,-860,-807,-1246,-1235,-1528]} 1. Nf3 e6 2. c4 d5 3. e3 Nf6 4. Be2 b6 5. b3 Bb7 6. Bb2 dxc4 $5 {[%mdl 4] An interesting side line. A13: English Opening: 1...e6.} 7. bxc4 c5 {[#]} 8. d3 $146 ({Predecessor:} 8. O-O Be7 9. d3 O-O 10. Nbd2 Nc6 11. Bc3 Ne8 12. Qb3 Bf6 13. Ne4 Bxc3 14. Nxc3 {½-½ (58) Vachier Lagrave,M (2763)-Nakamura,H (2736) chess24.com INT 2021}) 8... Nc6 {The position is equal.} 9. Nbd2 Bd6 10. Qb3 O-O 11. Rg1 Ng4 12. h3 Nge5 13. O-O-O Qe7 14. g4 Nxf3 15. Nxf3 a6 16. g5 b5 ({Much less strong is} 16... Nb4 17. Kb1 $14 (17. a3 Nc6 $11)) 17. Qc3 ({White should play} 17. Kb1 $15) 17... e5 $17 {[%cal Be6e5,Be5d4][%mdl 32]} 18. Nd2 $2 {[#] This costs White the game.} (18. Qb3 $17 {might work better.}) 18... Nd4 $1 $19 {[%mdl 512]} 19. exd4 exd4 {[%mdl 64] Discovered Attack} 20. Qc2 Qxe2 21. Ne4 (21. f3 {was necessary.}) 21... Qxc2+ 22. Kxc2 Bxe4 23. dxe4 bxc4 24. Ba3 Rfb8 25. Rge1 Be5 26. Rb1 $2 (26. f4 d3+ 27. Kd2 Bxf4+ 28. Kc3) 26... Rb5 27. h4 Ra5 28. Kc1 {Weighted Error Value: White=0.96/Black=0.12 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.6"]
[White "Fier, Alexandr"]
[Black "Huguet, Sergio"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2583"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,67,53,26,24,34,29,36,28,24,39,6,29,-17,127,145,147,114,126,141,119,126,132,132,130,159,140,139,145,147,190,102,94,68,70,71,68,35,190,35,33,45,36,31,35,14,45,0,69,20,309,149,268,274,741,406,29993,29994,29994,29995]} 1. e4 g6 2. d4 Bg7 3. Nc3 {[%cal Bb1c3,Bc3e2,Be2g3][%mdl 32]} d6 4. f4 a6 5. Nf3 b5 6. a4 b4 {B06: Modern Defence.} 7. Ne2 Bb7 8. Ng3 Nd7 {[#] White is slightly better.} 9. Bc4 $146 ({Predecessor:} 9. Bd3 e5 10. fxe5 dxe5 11. d5 Ngf6 12. a5 c6 13. dxc6 Bxc6 14. O-O Qc7 15. Qe2 {1-0 (28) Chernyshov,K (2529)-Berezovics,A (2226) Pardubice 2015}) 9... e6 10. f5 d5 {[#]} 11. exd5 (11. fxe6 $1 {was preferrable.} dxc4 12. Bg5 (12. exd7+ Qxd7 13. Qe2 h5 $11)) 11... Bxd5 (11... exf5 $11 12. O-O Ne7) 12. Bxd5 $16 exd5 13. O-O $1 {aiming for Bg5.} Ne7 14. Bg5 O-O {[%cal Bh8f8,Bf8f7,Bf7h7][%mdl 32]} 15. Qd2 f6 16. Bh6 Bxh6 17. Qxh6 {Threatens to win with fxg6.} Rf7 18. Rae1 Nf8 19. Re2 {White is much more active.} Qd7 (19... Qd6 $16) 20. fxg6 ({Better is} 20. Ref2 $1 $18 {Hoping for fxg6.} gxf5 21. Nh4) 20... hxg6 21. Ref2 {[%cal Of3e5] And now Ne5! would win.} Rh7 22. Qf4 Qd6 23. Qe3 Nc6 $2 {[#]} (23... a5 $14) 24. Qd3 $2 (24. Nh4 $1 $18 {[%mdl 512]} Qe7 25. Qf4) 24... a5 $14 25. Re2 Re7 26. Rxe7 Nxe7 27. Re1 Kf7 28. Qe3 (28. h4 $14) 28... Qd7 (28... Ne6 $11) 29. Qh6 (29. Rf1 $14 Kg8 30. Nd2) 29... Nf5 $2 {[%mdl 8192]} (29... Ra6 $11) 30. Qh8 (30. Nxf5 $18 {and the rest is easy.} Qxf5 {[#]} 31. Ne5+ $1 {[%mdl 512]} (31. Qe3 Qd7 $14) 31... Kg8 32. Nc6) 30... Nxg3 (30... Re8 $16) 31. hxg3 $18 Qg4 $2 (31... Qd8 32. g4 g5) 32. Rf1 {Intending Ne5+ and mate.} Re8 (32... Ke6 $18 33. Re1+ Kd6 34. Qxf6+ Ne6 35. Qe5+ Kc6 36. Qxe6+ Qxe6) 33. Ne5+ Rxe5 34. Qxf6+ {Weighted Error Value: White=0.45/Black=0.76} ({Less strong is} 34. dxe5 Qd4+ 35. Kh1 Qxe5 $16) 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.7"]
[White "Hernandez Yescas, Miguel Alejandro"]
[Black "Alonso Rosell, Alvar"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,53,16,15,30,16,34,27,28,14,35,27,37,36,27,40,58,51,66,81,64,-53,-50,-50,0,-34,-56,-48,-42,-64,-62,-59,-54,-47,-58,-1027,-756,-1010,-945,-1091,-901,-29999]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O h6 {6...Ng6 is a critical line.} 7. Be3 Nd7 8. Nbd2 g5 {B12: Caro-Kann: Advance Variation.} 9. b4 Qc7 10. c3 Bg7 {[#] White has an edge.} 11. Nb3 $146 ({Predecessor:} 11. Ne1 Bg6 12. Nd3 Nf5 13. Bh5 Bh7 14. Qe2 Nxe3 15. Qxe3 Bg6 16. Bxg6 fxg6 17. f4 {1-0 (41) Shen,S (2170)-Feng,X (1714) Hangzhou 2019}) 11... b6 12. Nfd2 Bg6 13. Bh5 O-O 14. Bxg6 Nxg6 15. Qh5 c5 16. bxc5 bxc5 17. f4 ({Better is} 17. Nf3 $14) 17... gxf4 $15 18. Bxf4 c4 (18... Nxf4 $15 19. Rxf4 c4) 19. Nc1 (19. Bxh6 $5 {[%cal Rd2f3]} cxb3 20. Nxb3 $11) 19... Nxf4 20. Rxf4 f6 {[%cal Rf6e5]} 21. Qg6 fxe5 22. Qxe6+ ({Don't go for} 22. Rg4 $2 Nf6 23. Rg3 exd4 24. cxd4 c3 $19) 22... Kh8 23. Rxf8+ Rxf8 24. dxe5 {[%mdl 8192] White does not recover from this.} (24. Ne2 $15) 24... Qc5+ $19 25. Kh1 {[#]} Qf2 $1 {( -> ...Qe1+)} 26. Nf3 {Prevents Qe1+.} (26. Ne2 Qxe2) 26... Rxf3 27. gxf3 Qf1# {Weighted Error Value: White=0.91/Black=0.17 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.8"]
[White "Albornoz Cabrera, Carlos Daniel"]
[Black "Herrera Aruca, Jorge Frank"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2567"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,109,32,32,29,26,32,36,10,33,36,29,34,28,25,27,38,64,50,106,100,99,49,68,62,89,92,84,85,97,92,96,96,123,123,123,102,113,33,37,50,43,33,50,28,43,21,80,68,64,65,93,91,95,78,81,48,96,37,84,84,116,116,203,216,237,237,223,225,486,452,485,489,491,487,462,411,482,478,490,484,447,447,759,741,679,662,1213,1200]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. d3 d6 9. b4 a5 10. Bb2 Nbd7 11. Be2 Qe7 12. O-O e5 13. Nd2 {A17: English Opening: 1...Nf6 with ...Bb4.} h6 {[#]} 14. e4 $146 ({Predecessor:} 14. Rae1 Rfe8 15. Nb3 axb4 16. axb4 Ra2 17. Ra1 Rea8 18. Rxa2 Rxa2 19. Ra1 Rxa1+ 20. Bxa1 {½-½ (49) Gorishniy,Y (2080)-Maneluk,N (2050) Rybinsk 2009}) 14... Nh7 15. Bg4 {White is slightly better.} Ndf6 16. Bd1 axb4 17. axb4 Rxa1 18. Bxa1 Ra8 19. f4 Nd7 20. Nf3 {[%cal Bd2f3,Bf3h4,Bh4f5][%mdl 32]} Nhf6 (20... Nhf8 $14) 21. fxe5 $16 dxe5 22. Bb2 (22. Nxe5 $16 {Hoping for Ng4.} Rxa1 23. Nxd7 Qxd7 24. Qxa1 Qxd3 25. e5) 22... Ng4 23. Re1 {To avoid Ne3} Qd6 24. Nh4 Ngf6 25. Nf5 Qf8 26. Rf1 g6 27. Ne3 {[%cal Of1f6] Rxf6! is the strong threat.} Qd6 {[#]} 28. Nd5 $1 Bxd5 29. cxd5 b5 30. Qc6 ({White should play} 30. h3 $16) 30... Ra2 31. Qxd6 cxd6 32. Rf2 Kg7 33. Bb3 Ra7 34. Rc2 Nb8 (34... Kf8 $11 {keeps the balance.}) 35. Rc1 Nfd7 36. Kf2 {White is more active.} Nb6 37. Ke2 Kf8 38. g4 Ke7 39. Bc3 Rc7 (39... Ra3 $14 40. Rb1 g5) 40. Kd2 (40. Bd2 $16 Rxc1 41. Bxc1) 40... Ra7 (40... N8d7 $14 {feels stronger.}) 41. Kc2 Na6 42. Kb2 Nc7 (42... Na4+ $16 {keeps fighting.} 43. Bxa4 bxa4) 43. Bd2 $18 g5 44. Be3 Nca8 45. h4 Na4+ $2 {[#]} (45... f6 46. hxg5 hxg5) 46. Bxa4 ({Weaker is} 46. Kb1 Rc7 47. hxg5 hxg5 48. Bxg5+ f6 $18) 46... Rxa4 47. hxg5 hxg5 48. Bxg5+ {[%mdl 4096] Endgame KRB-KRN} f6 49. Bd2 Ra6 50. Be3 {White is clearly winning.} Kd7 51. Rf1 Ke7 52. Rh1 Nc7 (52... Nb6 $142 53. Rh7+ Kd8) 53. Rh7+ Kd8 54. Rf7 Ra4 55. Bb6 {Weighted Error Value: White=0.10 (very precise) /Black=0.27 (precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.9"]
[White "Sosa Trani, Luis A."]
[Black "Cuenca Jimenez, Jose Fernando"]
[Result "0-1"]
[ECO "C78"]
[BlackElo "2552"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,74,1,14,7,0,0,0,0,0,0,0,0,0,6,0,0,-30,-18,-14,0,-10,-2,-19,-7,-19,-17,-21,-13,-12,0,0,0,-4,-12,-38,0,0,0,-185,-182,-168,-176,-197,-189,-406,-251,-255,-259,-1141,-1133,-29998,-2283,-29993,-1892,-29995,-2795]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. c3 d6 8. Nbd2 O-O 9. O-O h6 10. h3 Re8 11. Re1 Be6 $1 {The main line 11...Be6 scores better than 11...Bb6. C78: Ruy Lopez: Archangelsk and Möller Defences.} 12. Bc2 Bb6 13. Nf1 d5 {The position is equal.} 14. exd5 Qxd5 15. Be3 Rad8 16. Ng3 Bxe3 {[#]} 17. Rxe3 $146 ({Predecessor:} 17. fxe3 Qd6 18. e4 Ne7 19. d4 Ng6 20. Ne2 Bc4 21. b3 Bxe2 22. Qxe2 Qc6 23. Qd3 exd4 24. cxd4 {0-1 (35) Baskin,R (2071)-Okkes,M (2368) Hoogeveen 2012}) 17... Qd6 18. Ne4 Nxe4 19. dxe4 Qc5 20. Qc1 a5 21. Nh4 Rd6 22. Bb3 g6 23. Bxe6 Rexe6 24. a4 Rd8 25. Re1 Kg7 26. axb5 Qxb5 27. Nf3 Rd3 (27... Rb8 $5 {[%cal Rb5b2]}) 28. Qc2 Red6 29. Qa4 $2 {[#]} (29. Qe2 $11 {and White has nothing to worry.}) 29... Qxb2 $19 30. Rab1 Qxc3 31. Rec1 Qa3 32. Qb5 (32. Qxa3 {was worth a try.} Rxa3 33. Rb7) 32... Rc3 33. Re1 Qc5 34. Qb2 $2 (34. Qxc5 Rxc5 35. Rec1 Rxc1+ 36. Rxc1) 34... Rc2 35. Qa3 Qxa3 (35... Qxf2+ $142 36. Kh2 Qxg2#) 36. Rec1 Rc3 (36... Rxc1+ $142 37. Kh2 Rxb1 38. Kg3 Nd4 39. Kh2 Nxf3+ 40. Kg3 {[#]} Qc1 $1 41. gxf3 Qg5+ 42. Kh2 Qg1#) 37. Rb7 Rcd3 {Weighted Error Value: White=1.11/Black=0.59} (37... Qxc1+ $142 38. Kh2 Rd1 39. g4 Rh1+ 40. Kg3 Qg1+ 41. Kh4 Qxf2#) 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.10"]
[White "Vazquez, Guillermo"]
[Black "Francisco Cruz, Yahir Alberto"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2545"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,63,0,0,31,31,53,47,33,32,63,60,84,83,105,93,110,69,95,94,110,110,111,111,118,118,118,118,112,111,117,111,122,113,138,117,142,142,213,211,229,231,222,163,158,160,166,113,125,109,906,135,904,919,853,715]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 Nc6 5. Bc2 Bg4 6. d3 {[%cal Bd2d3,Bd3d4,Bd4d5][%mdl 32]} e5 {B50: Sicilian: 2...d6, Miscellaneous.} 7. h3 Bd7 8. O-O Be7 {White is slightly better.} 9. d4 O-O 10. d5 Nb8 11. a4 {[#]} b6 $146 ({Predecessor:} 11... Na6 12. Na3 Nc7 13. Qe2 Nfe8 14. Rd1 b6 15. b4 g6 16. Bh6 Ng7 17. bxc5 bxc5 {1-0 (34) Voelker,S (2078)-Steinmacher,J (2046) Oberwinden 2007}) 12. Na3 Bc8 13. b4 ({White should play} 13. Nd2 $16) 13... Nbd7 14. Be3 a6 15. Rb1 Qc7 16. Nd2 Bb7 17. Qe2 cxb4 18. cxb4 Rfc8 19. Bd3 Qd8 20. Nac4 Bf8 21. g3 {[%cal Bg2g3,Bg3f4][%mdl 32]} Rcb8 22. Kh2 Bc8 23. f4 b5 (23... Rb7 $16 {was called for.} 24. Nf3 Qe8) 24. Na5 $18 {aiming for Nc6.} exf4 25. gxf4 Qe8 26. axb5 axb5 27. Bd4 g6 28. Ra1 ({Don't play} 28. Bxb5 $6 Rxb5 29. Qxb5 Ba6 $11) ({White should try} 28. Rf2 $18) 28... Nh5 $16 29. Qxh5 {White is much more active.} ({Don't take} 29. Bxb5 Rxb5 30. Qxb5 Ba6 $14) 29... gxh5 {[%mdl 8192] [#]} (29... Bg7 $16 30. Bxg7 gxh5) 30. Rg1+ $18 Bg7 31. Rxg7+ Kf8 32. Rag1 {Weighted Error Value: White=0.10 (very precise) /Black=0.16 (very precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.12"]
[Round "1.11"]
[White "Castellanos Hernandez, Emilio Au"]
[Black "Gonzalez Zamora, Juan Carlos"]
[Result "*"]
[ECO "A45"]
[WhiteElo "1939"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "23"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,23,-3,0,-7,-9,-3,-2,-12,19,-18,-21,-24,-13,-46,-51,-60]} 1. d4 Nf6 2. Bf4 c5 3. e3 Nd5 4. Bg3 Qb6 5. Nc3 Nxc3 6. bxc3 {A45: Trompowsky Attack.} Qa5 7. Qd2 d6 8. Bd3 {[#] The position is equal.} Nd7 $146 ({Predecessor:} 8... g6 9. Ne2 Bg7 10. O-O O-O 11. Rfb1 e5 12. Rb5 Qc7 13. Rd1 Qc6 14. d5 Qc7 {½-½ (84) Suarez Garcia,C (2449)-Huerga Leache,M (2448) Elgoibar 2018}) 9. f4 g6 10. Nf3 Bg7 11. e4 Nb6 $1 12. e5 {Weighted Error Value: White=0.11 (very precise) /Black=0.03 (flawless)} *

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.11"]
[White "Castellanos Hernandez, Emilio Agustin"]
[Black "Gonzalez Zamora, Juan Carlos"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,-8,-11,-16,-9,-4,-4,-3,10,-22,-24,-26,-17,-56,-51,-50,-14,-23,-26,-31,-14,-24,-11,-16,-25,-35,-27,-27,-8,-52,-64,-64,-55,-99,-52,-135,-122,-202,-193,-193,-218,-211,-218,-244,-232,-333,-352,-376,-376,-374,-349,-338,-295,-374,-255,-628,-625,-628,-604,-709,-704,-734,-726]} 1. d4 Nf6 2. Bf4 c5 3. e3 Nd5 4. Bg3 Qb6 5. Nc3 Nxc3 6. bxc3 {A45: Trompowsky Attack.} Qa5 7. Qd2 d6 8. Bd3 {[#] The position is equal.} Nd7 $146 ({Predecessor:} 8... g6 9. Ne2 Bg7 10. O-O O-O 11. Rfb1 e5 12. Rb5 Qc7 13. Rd1 Qc6 14. d5 Qc7 {½-½ (84) Suarez Garcia,C (2449)-Huerga Leache,M (2448) Elgoibar 2018}) 9. f4 g6 10. Nf3 Bg7 11. e4 Nb6 12. e5 $1 dxe5 13. fxe5 {[%cal Oa2a4]} O-O 14. O-O Bg4 15. Be1 cxd4 16. cxd4 Qxd2 17. Nxd2 Rfd8 18. Bf2 Rac8 19. Ne4 (19. Rab1 $11 {might be stronger.}) 19... Nd5 $15 20. h3 Bf5 21. g4 {White is on the road to losing.} (21. a4 $1 $15) 21... Bd7 ({Black should try} 21... Bxe4 $17 22. Bxe4 Nf4 23. Bxb7 Rxc2) 22. Nc5 {[#]} (22. Rab1 $15) 22... Bc6 $1 $17 23. Be4 (23. a4 $17) 23... b6 $19 24. Nb3 Nf4 25. Bxc6 Rxc6 ({Weaker is} 25... Nxh3+ 26. Kg2 Nxf2 27. Bf3 $11) 26. Bh4 g5 ({Avoid the trap} 26... Nxh3+ $2 27. Kg2 g5 28. Bg3 Nf4+ 29. Bxf4 gxf4 30. Rac1) 27. Rxf4 (27. Bg3 {was necessary.}) 27... gxf4 28. Bxe7 Rd7 29. Bg5 Rxc2 {[#] And now ...a5 would win.} 30. Bxf4 a5 {Strongly threatening ...a4.} 31. Be3 f6 32. exf6 (32. e6 Rd6 33. d5 Rxd5 34. Nd4) 32... Bxf6 {Black is clearly winning.} 33. Rf1 Bg7 34. Rd1 Rxa2 {aiming for ...Ra3.} 35. d5 Ra3 {Weighted Error Value: White=0.49/Black=0.08 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.12"]
[White "Obregon Rivero, Juan Carlos"]
[Black "Moran Velez, Francisco Ramon"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2536"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,43,21,70,43,52,19,94,0,0,-9,-16,-18,36,58,225,220,232,226,214,216,264,206,255,244,262,268,297,291,442,423,620,626,623,644,610,528]} 1. e4 c5 2. Nf3 g6 3. c3 Qa5 4. Na3 Bg7 5. d4 d6 (5... cxd4 $11 6. b4 (6. Nxd4 Nc6 $14) 6... Qd8) 6. Nc4 {B22: Sicilian: 2 c3.} (6. Bc4 {keeps more tension.} cxd4 7. Qb3 dxc3 8. Bxf7+ Kf8 9. O-O) 6... Qc7 7. a4 {[#]} Be6 $146 (7... cxd4 $11 8. Nxd4 (8. cxd4 Nf6 $11) 8... Nc6) ({Predecessor:} 7... Nf6 8. e5 dxe5 9. dxe5 Ng4 10. Bf4 Nc6 11. h3 Ngxe5 12. Ncxe5 Nxe5 13. Bb5+ Kf8 {1-0 (30) Karpatchev,A (2473)-Najart,D (2077) Plancoet 2015}) 8. Ng5 {White is more active.} (8. d5 $16 Bg4 9. Be3) 8... cxd4 $1 $11 9. Nxe6 fxe6 10. cxd4 {[%cal Bc3d4,Bd4d5,Bd5e6][%mdl 32]} Nc6 ({Black should try} 10... Nf6 $1 $11) 11. d5 $36 {[%mdl 2048] White is more active.} Ne5 {[#] Loses the game.} (11... exd5 $14 12. exd5 (12. Qxd5 Nf6 $15) 12... Nd4) 12. Nxe5 $18 dxe5 13. Bb5+ Kf8 14. dxe6 a6 15. Bd3 Qb6 16. O-O Rd8 17. Qf3+ Nf6 18. Bc4 {And now Be3 would win.} Qd4 (18... Kg8 {was necessary.} 19. Bd5 Qc7) 19. Bd5 {White is clearly winning.} Rb8 (19... Qa7 $142 20. Ra3 Qb8) 20. Be3 Qb4 21. Rfc1 {[#] Strongly threatening Bc5.} Qd6 22. Bc5 {Weighted Error Value: White=0.15 (very precise) /Black=0.53} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.12"]
[Round "1.12"]
[White "Obregon Rivero, Juan Carlos"]
[Black "Moran Velez, Francisco R"]
[Result "*"]
[ECO "B22"]
[WhiteElo "2536"]
[BlackElo "1931"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,29,14,81,64,61,5,93,0,0,-3,-15,-24,47,45,209,216,237,240,208,228,258,200]} 1. e4 c5 2. Nf3 g6 3. c3 Qa5 4. Na3 Bg7 5. d4 d6 (5... cxd4 $11 {remains equal.} 6. b4 (6. Nxd4 Nc6 $14) 6... Qd8) 6. Nc4 {B22: Sicilian: 2 c3.} (6. Bc4 {feels hotter.} cxd4 7. Qb3 dxc3 8. Bxf7+ Kf8 9. O-O) 6... Qc7 7. a4 {[#] White is more active.} (7. e5 $14 d5 8. Ne3) 7... Be6 $146 (7... cxd4 $11 {keeps the balance.} 8. Nxd4 (8. cxd4 Nf6 $11) 8... Nc6) ({Predecessor:} 7... Nf6 8. e5 dxe5 9. dxe5 Ng4 10. Bf4 Nc6 11. h3 Ngxe5 12. Ncxe5 Nxe5 13. Bb5+ Kf8 {1-0 (30) Karpatchev,A (2473)-Najart,D (2077) Plancoet 2015}) 8. Ng5 (8. d5 $16 Bg4 9. Be3) 8... cxd4 $1 $11 9. Nxe6 fxe6 10. cxd4 {[%cal Bc3d4,Bd4d5,Bd5e6][%mdl 32]} Nc6 (10... Nf6 $1 $11) 11. d5 $36 {[%mdl 2048] White fights for an advantage.} Ne5 {[#] This costs Black the game.} (11... exd5 $14 12. exd5 (12. Qxd5 Nf6 $15) 12... Nd4) 12. Nxe5 $18 dxe5 13. Bb5+ Kf8 14. dxe6 a6 15. Bd3 {Weighted Error Value: White=0.35/Black=0.53} *

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.13"]
[White "Santanna, Paulo"]
[Black "Almeida Quintana, Omar"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2535"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,74,62,62,58,65,48,38,50,44,46,45,41,39,43,35,79,-4,-6,-39,-41,-45,-52,-47,-34,-55,-53,-54,-43,-47,-41,-82,-71,-85,-84,-102,-106,-106,-108,-190,-159,-147,-142,-133,-81,-88,-75,-164,-169,-172,-172,-170,-175,-162,-153,-158,-160,-181,-175,-182,-182,-224,-205,-268,-278,-281,-241]} 1. d4 Nf6 2. Nc3 d6 3. e4 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 {[%cal Rf4e5]} exd4 {B07: Pirc Defence: Miscellaneous Systems.} 7. Nxd4 g6 {7...Qb6 gains popularity.} 8. Nb3 Qc7 {White is slightly better.} 9. O-O Bg7 10. Qe1 Nbd7 11. Qh4 {[%cal Oe4e5] aiming for e5!} O-O 12. f5 b5 {[#]} 13. fxg6 $146 ({White should play} 13. Bg5 $16) ({Predecessor:} 13. Bg5 Bb7 14. Nd2 b4 {½-½ (14) Sipos,I (2492)-Horvath,J (2494) Hungary 2018}) 13... hxg6 $11 14. Bg5 {[%cal Rf1f6]} Nh7 15. Bh6 Qb6+ 16. Kh1 Qd8 17. Qxd8 Rxd8 18. Bxg7 Kxg7 19. Na5 Ne5 20. Ne2 (20. a3 $15) 20... Rb8 $17 21. Nd4 Bd7 22. Rad1 c5 23. Nf3 Nf6 24. Ng5 (24. b3 $17) 24... Nfg4 25. Rd2 Rh8 $1 $36 {[%mdl 2048] Black is on the roll.} 26. h3 Rh5 ({Better is} 26... Rb6 {Strongly threatening ...f6.} 27. Kg1 f6 $1 28. hxg4 fxg5) 27. Nf3 Rb6 {[%cal Bb8b6,Bb6a6,Ba6a2,Ba2c2][%mdl 32] Black is more active.} 28. Be2 {[#]} (28. Kg1 $17 Nxf3+ 29. Rxf3) 28... Nf6 $1 $19 {White must now prevent ...Ra6.} ({Weaker is} 28... Ne3 29. Re1 $17) 29. Nxe5 Rxe5 30. Bf3 Be6 31. Rfd1 Ra6 ({And not} 31... Bxa2 32. b3 $15) 32. Nb7 Rxa2 33. b3 Ne8 34. Nd8 Bd7 {Inhibits Nc6.} 35. Nb7 (35. Rf1 {is a better defense.}) 35... Bc8 36. Nxd6 Nxd6 37. Rxd6 Rxc2 {Weighted Error Value: White=0.20 (precise) /Black=0.03 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.14"]
[White "Cordova, Emilio"]
[Black "Montes Orozco, Miguel Angel"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2534"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,71,20,44,32,45,41,67,18,57,29,28,7,0,0,0,0,38,0,0,0,21,0,5,-34,-23,-39,-28,-72,-60,-72,-66,-170,-172,-177,-184,-306,-241,-511,-357,-722,-722,-691,-494,-883,-931,-886,-641,-632,-332,-300,4,4,4,4,4,4,4,4,20,21,13,39]} 1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. e3 dxc4 5. Bxc4 c5 6. O-O Be7 7. Qe2 {was the old line (7.Nc3). D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines.} O-O 8. Rd1 Nc6 9. Nc3 (9. dxc5 $14 Qc7 10. Nc3) 9... Qc7 10. Bd2 a6 11. Rac1 b5 {[#]} 12. Bd3 $146 ({Predecessor:} 12. Bb3 Qb6 13. Be1 Bb7 14. d5 Na5 15. dxe6 Nxb3 16. exf7+ Rxf7 17. axb3 {0-1 (36) Fainstein,V-Hahlbohm,M Berlin 2001}) 12... c4 13. Bb1 Rd8 14. Be1 Qb6 15. Qc2 g6 16. Ne4 Bb7 17. Neg5 Rac8 18. h4 Nb4 19. Bxb4 (19. Qe2 $11 {feels stronger.}) 19... Bxb4 $17 20. Ne5 Rc7 21. f4 {[#]} (21. a4 $15) 21... Nd5 $1 $19 22. Qf2 f6 $36 {[%csl LRe5,LRg5][%cal Bf7f6,Bf6e5,Be5f4][%mdl 2080] Black has strong initiative.} 23. h5 (23. e4 {keeps fighting.}) 23... fxe5 24. hxg6 $2 (24. fxe5 {was the only chance.} Rg7 25. h6) 24... exf4 25. gxh7+ $2 (25. e4 hxg6 26. exd5 Rxd5 27. Ne4) 25... Kh8 26. e4 Nf6 {Hoping for ...Rg7.} 27. e5 (27. Qxf4 $142 e5 28. Qxe5) 27... Nd5 {Threatens to win with ...Rg7.} 28. Qh4 Rf8 {And now ...Rg7 would win.} 29. a3 Be7 30. Qh6 Rc6 {[#]} (30... Bc8 $19 {...c3 is the strong threat.} 31. Bg6 Bxa3 32. bxa3 Rg7) 31. Qxf8+ $1 $11 {[%mdl 64] Remove Defender. The position is equal.} Bxf8 32. Nf7+ Kg7 33. h8=Q+ Kxf7 34. Qh5+ Ke7 {aiming for ...Kd7.} 35. Qh7+ $1 {[%mdl 1024] White has compensation.} Kd8 {Strongly threatening ...Be7.} 36. Qg8 {Black had all chances to win.  Weighted Error Value: White=0.55/Black=0.62} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.15"]
[White "Ortez, Andrea"]
[Black "Quesada Perez, Luis Ernesto"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,80,-24,-24,-28,-19,-31,-21,-51,-55,-58,-47,-77,-81,-89,-90,-87,-89,-89,-83,-94,-95,-102,-90,-110,-78,-133,-120,-142,-124,-127,-121,-148,-132,-148,-136,-115,-115,-248,-247,-236,-233,-282,-292,-308,-325,-323,-315,-327,-316,-300,-247,-222,-258,-247,-179,-421,-426,-485,-453,-470,-469,-445,-437,-439,-354]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 d5 7. exd6 Qxd6 8. d4 cxd4 9. cxd4 Be6 10. Bxe6 {B22: Sicilian: 2 c3.} Qxe6+ 11. Be3 Qc4 {[#]} 12. Na3 $146 {The position is equal.} ({Predecessor:} 12. Nc3 e6 13. a3 Be7 14. Rc1 O-O 15. Ne2 Qb5 16. b4 Nc4 17. Nc3 Qf5 18. Qb3 b5 19. d5 N6e5 20. Nd4 Nd3+ 21. Kf1 Nxe3+ {0-1 (21) Jacek,M (2232)-Micanek,T (2072) Czech Republic 2018}) 12... Qb4+ 13. Qd2 e6 14. O-O Qxd2 15. Nxd2 Bxa3 16. bxa3 Nd5 17. Rab1 b6 18. Rfc1 Kd7 19. Nf3 f6 20. h4 h5 21. Ne1 (21. Bd2 $142) 21... Nce7 {[%cal Bc6e7,Be7f5,Bf5d6,Bd6e4][%mdl 32]} 22. Nf3 Rac8 23. Bd2 {To avoid Rc3} Nf5 24. a4 a5 25. Kf1 {[#]} Nd6 $1 {Black is more active.} 26. Ke2 Ne4 {Pair of Knights!} 27. Rxc8 {Now White is beyond hope.} (27. Kf1 $17 {might work better.}) 27... Rxc8 $19 {[%cal Bh8c8,Bc8c4,Bc4a4,Ba4a3,Ba3d3][%mdl 32]} 28. Rb3 Rc4 29. Kd3 Nxd2 30. Nxd2 Rxa4 {[%mdl 4096] Endgame KRN-KRN} 31. a3 Nf4+ 32. Kc2 Nxg2 ({Wrong is} 32... Rxd4 $2 33. g3 Nd5 34. Rd3 Rxd3 35. Kxd3 $19) 33. Rxb6 Rxa3 34. Rb7+ Kc6 35. Rxg7 Nxh4 36. Rh7 $2 {[#]} (36. Re7) 36... Nf5 {Black is clearly winning.} 37. Rxh5 Nxd4+ 38. Kb2 Rd3 39. Nc4 a4 40. Ra5 Rf3 {Weighted Error Value: White=0.25 (precise) /Black=0.07 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.16"]
[White "Henderson de La Fuente, Lance"]
[Black "Araya Umana, Carlos"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2494"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,49,30,36,45,35,29,27,33,47,43,43,50,38,25,58,12,114,92,114,76,78,82,157,150,163,172,325,318,376,364,347,336,29998,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd6 6. d4 Bg4 7. dxe5 Bxf3 8. Qxf3 Bxe5 9. Nd2 Qf6 $1 10. Nc4 {C68: Ruy Lopez: Exchange Variation, sidelines.} (10. Qb3 {is more complex.} O-O-O 11. Nf3 Qe7 12. Be3 Nf6 13. Nxe5 Qxe5 14. f3) 10... Qxf3 $1 11. gxf3 Bd4 12. c3 {White has an edge.} Ba7 13. Rd1 Ne7 14. Bf4 {[#]} Rc8 $146 ({Predecessor:} 14... b5 15. Ne5 f6 16. Ng4 Bb6 17. Rd3 Ng6 18. Bg3 h5 19. Nxf6+ gxf6 20. h4 Ke7 {0-1 (46) Gatta,F-Mazziotto,N Italy 1997}) 15. a4 h5 {[%cal Og7g5]} 16. h4 (16. Kf1 $14 {should be considered.}) 16... Bb8 (16... Ng6 $11 {keeps the balance.} 17. Bg3 O-O) 17. Rd2 {White is much more active. Black has bad knights.} Rd8 18. Rad1 {[%csl Gd1][%cal Rd2d8,Ba1d1,Bd1d2,Bd2d5][%mdl 32]} Rxd2 19. Rxd2 b6 {[#]} (19... c5 $142) 20. Nxb6 $1 $16 {[%mdl 512]} Ng6 (20... cxb6 21. Bxb8) 21. Nd7 Nxf4 $2 (21... Ke7 {is a better defense.}) 22. Nxb8 $18 Ng6 23. Nxc6 {[%csl Gc6][%cal Rd2d8]} O-O 24. Rd5 Nxh4 $2 {[#]} (24... f5 $18 25. exf5 Nxh4) 25. Ne7+ {Weighted Error Value: White=0.09 (flawless) /Black=0.52} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.17"]
[White "Flores Irurso, Paul Josue"]
[Black "Rodriguez Vila, Andres"]
[Result "0-1"]
[ECO "C07"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,80,16,23,32,18,19,18,20,-1,0,-13,0,0,0,0,0,0,0,0,1,6,0,0,0,-37,-43,-54,-47,-102,-91,-89,-97,-85,-85,-110,-109,-151,-143,-143,-123,-152,-137,-140,-147,-146,-98,-106,-117,-104,-109,-137,-143,-260,-269,-233,-247,-301,-316,-515,-506,-653,-645,-1531,-603,-854,-845,-806,-803,-1020,-989,-29985,-29985]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd7 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} 7. O-O {[%mdl 1024] White has compensation.} Nc6 8. Nb3 {[%cal Rf3d4]} a6 {The position is equal.} 9. Qe2 Nf6 (9... b5 $5 10. Bd3 Bb7 $11) 10. Rd1 {[%cal Rb3d4]} b5 11. Bd3 Qc7 12. Nbxd4 Nxd4 13. Nxd4 {[#]} Bd6 $146 ({Predecessor:} 13... Bc5 14. c3 Bb7 15. Bg5 Bxd4 16. cxd4 Nd5 17. Rac1 Qd6 18. Qg4 h6 19. Bd2 Ke7 {1-0 (38) Antoli Royo,J (2428)-Lopez Mulet,I (2193) Mislata 2014}) 14. h3 Bb7 15. Bg5 Bh2+ 16. Kh1 {[%cal Od4e6] [#] Hoping for Nxe6!} Be5 $1 17. Bxf6 Bxf6 18. Be4 O-O 19. Qf3 (19. Bxb7 $15 Qxb7 20. c3) 19... Bxe4 $17 20. Qxe4 Rad8 21. c3 Qc4 22. Qe3 b4 23. a3 ({Better is} 23. Nb3) 23... bxc3 24. bxc3 Rd5 25. Rab1 Qa4 {aiming for ...e5.} 26. Qc1 Rc8 ({And not} 26... Bxd4 27. cxd4 Rxd4 28. Rxd4 Qxd4 29. Qe3 $17) 27. Qb2 e5 (27... h5 $142 28. f4 Rc4) 28. Nc2 Rb5 {Black is more active.} 29. Qa2 Rxc3 {[%cal Bc8c3,Bc3a3,Ba3a1][%mdl 32]} 30. Rxb5 axb5 ({Weaker is} 30... Qxb5 31. Ne3 $17) 31. Qd5 {[#]} (31. Rd7 $17 Qb3 32. Qxb3 Rxb3 33. g3) 31... h5 $1 $19 32. Ne3 Rxa3 33. Qd7 g6 34. Rd6 $2 (34. Rg1 {keeps fighting.} Kg7 35. Nd5) 34... Ra1+ 35. Nd1 Kg7 {And now ...Qf4 would win.} 36. Rd2 b4 (36... Bg5 $142 37. Rd3 Qc2 38. Qxb5 Bf4) 37. Qd5 e4 {Threatens to win with ...Bc3.} 38. Kh2 b3 39. Nb2 Qa5 40. Qd7 {To avoid Qc7+} Bxb2 {Weighted Error Value: White=0.52/Black=0.15 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.18"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Mateos Lopez, Luis Javier"]
[Result "1-0"]
[ECO "B63"]
[WhiteElo "2461"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,53,36,29,88,77,84,79,81,75,74,75,120,75,86,85,88,91,97,94,103,101,93,72,121,110,122,135,114,115,176,192,545,542,542,533,535,61,538,531,516,498]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O Qb6 {Recently 8...a6 got a lot of attention. B63: Sicilian: Richter-Rauzer: 7...Be7 and unusual Black 7th moves.} (8... Nxd4 $11 9. Qxd4 O-O) 9. Bxf6 $16 Bxf6 10. Nxc6 bxc6 {White is better.} 11. Na4 (11. Qxd6 $6 Rb8 12. Na4 Bxb2+ 13. Kb1 (13. Nxb2 Qxb2+ 14. Kd2 Qb6 $11) 13... Ba3+ 14. Nxb6 Rxb6+ 15. Ka1 Bxd6 16. Rxd6 Ke7 $11) 11... Qb7 12. Qxd6 Rb8 (12... Be7 $142 13. Qf4 Qb8) 13. e5 {[#]} (13. Rd3 $142 {Rb3 is the strong threat.} Qa8 14. h4) 13... Bg5+ $146 ({Predecessor:} 13... Be7 14. Ba6 Qa8 15. Qd3 O-O 16. Bxc8 Rfxc8 17. Rhe1 Qb7 18. Qc4 c5 19. f3 Qc7 {1-0 (163) Mekhitarian,K (2511)-Diamant,A (2412) Porto Alegre 2008}) 14. Kb1 {[%cal Of1a6] Black must now prevent Ba6!} Be7 {[#]} 15. Ba6 $1 {White is much more active.} Qxb2+ (15... Bxd6 16. Bxb7) 16. Nxb2 {Really sharp!} Bxd6 17. Rxd6 ({Weaker is} 17. Bxc8 Bxe5 18. c3 (18. Bd7+ $2 Ke7 $19) 18... Bxc3 $17) 17... Bxa6 18. f3 Rb6 (18... Rb7 $142) 19. Kc1 O-O 20. Rhd1 g5 21. Na4 Rb4 (21... Rb5 $16 {might work better.}) 22. Nc5 $1 $18 Bc4 {[#]} (22... Be2 {is more resistant.}) 23. R1d4 $1 Rfb8 24. Rd8+ Rxd8 25. Rxd8+ Kg7 {[#]} 26. Rd4 $1 Kg6 27. a3 {Weighted Error Value: White=0.04 (flawless) /Black=0.36} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.19"]
[White "Lopez Padilla, Piero Raul"]
[Black "Diaz Perez, Michel Alejandro"]
[Result "0-1"]
[ECO "D23"]
[BlackElo "2459"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,157,1,12,6,26,6,42,18,18,9,21,10,16,19,38,8,9,7,11,0,0,-31,-39,-24,-28,-103,-111,-89,-27,-33,-20,-112,-16,-13,-14,-14,-16,-26,-16,-12,-5,-3,0,-2,0,-15,-5,-10,-6,-7,-7,-11,-8,-8,0,-31,-14,-11,-14,-10,26,-25,-22,-26,-24,-32,-18,-28,-24,-63,-10,-110,-57,-76,-16,-37,-16,-199,-181,-213,-161,-149,-145,-169,-169,-300,-82,-82,-82,-120,-112,-126,-50,-63,-22,-22,-22,-22,-22,-91,-88,-188,-174,-163,-76,-356,-33,-33,-33,-33,-32,-32,-32,-32,-32,-33,-32,-32,-32,-33,-8,-8,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-30,-8,-8]} 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Qc2 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Be7 8. O-O O-O 9. e3 Nbd7 10. Qe2 {10.Qe2 scores better than 10.Rd1.} Rc8 11. Nc3 Ne4 12. Nd2 {D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines.} Nxc3 13. bxc3 {[#]} Bg6 $146 (13... c5 {keeps more tension.} 14. Bxb7 cxd4 15. Bxc8 d3 16. Qf3 Qxc8 17. Rb1 Qxc3 18. Rb3 Qa5) ({Predecessor:} 13... Qa5 14. c4 Bg6 15. Nb3 Qa6 16. Bb2 Nb6 17. Rfc1 Na4 18. Rd1 Rfd8 19. Bf1 b6 {0-1 (32) Pakh,A (1868)-Liang,J (2326) Dulles 2021}) 14. Nb3 {White is slightly better.} Qb6 15. e4 c5 16. Be3 cxd4 (16... Qc6 $5 {[%cal Rg6e4]}) 17. cxd4 Qb4 18. Rab1 {[%cal Ob3c5] Hoping for Nc5!} Qa4 19. Rfc1 Ba3 20. Rc2 Nf6 {[%cal Bd7f6,Bf6d5,Bd5e3][%mdl 32]} 21. f3 {[#]} Nd5 $1 22. Rxc8 Rxc8 23. Rf1 (23. Bd2 $1 $11) 23... Nxe3 $17 {Black is more active.} 24. Qxe3 Rc2 (24... Bb2 $17 25. d5 (25. Rf2 Qxa2 26. Qe2 Qxb3 $17) 25... exd5 26. exd5 Re8) 25. Rf2 $11 Rxf2 26. Kxf2 (26. Qxf2 $11 Qc4 27. Bf1) 26... Bd6 {A strong pair of Bishops.} (26... Bb2 $17 27. Qd2 Qxa2) 27. Qe2 h5 28. Bf1 h4 29. Kg2 hxg3 30. hxg3 Qa3 31. Qc2 b6 32. Bd3 Qb4 33. Qd2 Qa4 34. Qc2 a5 35. Qe2 Bb4 36. Qc2 Qd7 37. Qc4 Qd8 38. f4 Qd7 {[%cal Ob6b5]} 39. Kf3 f6 40. Qb5 Be8 41. Qxd7 (41. Qxb6 $142 Kh7 42. Bc4) 41... Bxd7 {[%mdl 4096] Endgame KBB-KBN} 42. Ke2 Bc3 {Black wants to play ...a4.} 43. Ke3 a4 44. Nd2 b5 45. Be2 Bc6 (45... Kf8 $15) 46. Kd3 (46. d5 $11 {keeps the balance.} exd5 47. exd5 Bxd5 48. Bxb5) 46... Bb2 ({Black should play} 46... b4 $1 $17 {aiming for ...Bxd2.} 47. Nc4 Bb5) 47. Bf3 e5 (47... b4 $17) 48. fxe5 fxe5 49. dxe5 (49. d5 $11 {and White is okay.} Bd7 50. Be2) 49... Bxe5 $19 50. g4 Bd7 {...Be6 is the strong threat.} 51. Be2 Bf6 52. Nb1 Kf7 53. Nc3 (53. Na3 $142) 53... Be5 $2 (53... b4 $1 $19 {is more deadly.} 54. Nd5 b3 55. axb3 (55. Nxf6 $2 bxa2 56. Nxd7 a1=Q $19) 55... Bb5+ 56. Kd2 Bxe2 57. Kxe2 axb3) 54. Kc2 $17 b4 55. Nd5 Bd6 $1 56. e5 Bc5 (56... Bxe5 $17 {Strongly threatening ...Bd6.} 57. Nxb4 Kg6) 57. Nf4 $15 Bc6 (57... Ke8 $15 {deserves consideration.}) 58. Bc4+ $11 Ke7 59. Nd5+ Kd8 60. Kd3 (60. Nf4 $11 Bd7 61. Ne6+ Bxe6 62. Bxe6) 60... Bd7 $1 $17 61. g5 (61. Nf4 $17) 61... Bf5+ $19 62. Ke2 {[#]} Be7 (62... Kd7 $1 $19 63. Kf3 Bc2 64. e6+ Kd8) 63. Bb5 $2 {[%mdl 8192] [#]} (63. Kd1 $17 {keeps fighting.}) 63... a3 $2 ({Inferior is} 63... Bxg5 64. Bxa4 Be7 65. Ke3 $11) (63... b3 $1 $19 {[%cal Rb3a2]} 64. axb3 a3) 64. Bc4 $1 $15 Bc2 {[%cal Ob4b3] And now ...b3! would win.} 65. Kd2 $1 b3 66. Kc3 $1 {[#]} bxa2 $1 67. Bxa2 Bf5 68. Kb3 Be6 69. Ka4 Bxg5 70. Kxa3 Bd2 71. Kb2 g5 72. Kc2 Be1 73. Kd1 Bg3 74. Nb4 Bg4+ 75. Kd2 Kd7 76. Nd3 Bh2 77. Bd5 Bf5 78. Ke3 (78. Be4 $5 {[%cal Re4f5]} Bg4 79. Ne1 $11) 78... g4 79. Ke2 {[%mdl 32768] Weighted Error Value: White=0.29 (precise) /Black=0.26 (precise) . Sensor Board Error (Ke4/e5)?} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.20"]
[White "Ibarra Chami, Luis Fernando"]
[Black "Zacarias Rodriguez, Santiago"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2451"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,99,0,0,0,32,14,27,34,47,49,47,45,47,42,57,60,64,27,54,1,1,0,5,8,13,6,25,15,24,15,27,27,27,27,35,32,87,0,38,0,106,104,112,109,135,133,182,171,204,199,200,219,256,236,243,250,237,187,179,183,194,200,254,242,259,233,229,239,272,261,265,246,236,212,390,377,444,443,428,420,728,725,715,715,637,598,960,869,1481,1168]} 1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. c4 dxc4 6. Bxc4 O-O 7. Nf3 {D00: 1 d4 d5: Unusual lines.} Bg4 8. Nc3 c6 9. h3 {White has an edge.} Be6 10. Bxe6 fxe6 11. Qb3 {[%csl LRb7,LRe6]} Qe7 {[#]} 12. O-O $146 ({Predecessor:} 12. e4 Kh8 13. O-O-O b5 14. e5 fxe5 15. dxe5 Bxe5 16. Nxe5 Qg5+ 17. Kb1 Qxe5 18. Rhe1 {1-0 (29) Zimber,A-Winkler,A Wuerttemberg 1991}) 12... a5 13. a3 Kh8 14. e4 {White is more active.} Na6 15. Rfe1 (15. e5 $14 fxe5 16. dxe5 (16. Nxe5 c5 $11)) 15... e5 $11 16. d5 Nc5 17. Qc2 Rac8 18. Rac1 Qf7 19. Red1 Rfd8 20. dxc6 bxc6 21. Na4 Nb3 22. Qc4 Kg8 23. Rc3 $36 {[%mdl 2048] White has some pressure.} Nd4 (23... Qxc4 $14 24. Rxc4 c5) 24. Nb6 {Pair of Knights!} (24. Nxd4 $16 exd4 25. Rxd4) 24... Rb8 25. Nxd4 (25. Qxf7+ {with more complications.} Kxf7 26. Nxd4 Bxa3 27. Rxc6 Bf8 28. Nd5) 25... exd4 (25... Qxc4 $11 {remains equal.} 26. Rxc4 {[#]} (26. Nxc4 exd4 27. Rf3 Bc7 $11) 26... Bxa3 $1 27. bxa3 (27. Rxc6 Bxb2 28. Nd5 Bxd4 $17) 27... Rxb6) 26. Qxf7+ $16 {White leaves nothing to chance now.} Kxf7 27. Rxc6 Be5 28. Rd3 Rb7 (28... Re8 $16) 29. Kf1 Rdb8 30. Nc4 Ke7 31. g3 Kd7 32. Rc5 ({Less strong is} 32. Nxa5 Rxb2 33. Rc5 Ke6 $16) 32... Rb5 33. Rxb5 Rxb5 $18 {[%mdl 4096] Endgame KRB-KRN} 34. f4 Bc7 35. Rxd4+ Kc6 36. Rd3 Rc5 37. Rc3 {Strongly threatening b4.} a4 38. Ke2 g5 39. fxg5 fxg5 40. g4 Kd7 41. Kd3 Rb5 42. Kc2 Ke6 $2 (42... Rb8 43. b4 axb3+ 44. Rxb3 Rf8) 43. b4 axb3+ 44. Rxb3 Rc5 45. Kd3 Kd7 (45... Bg3 $142 46. Rb6+ Kd7) 46. Kd4 {White is clearly winning.} Rc6 47. Ne5+ Bxe5+ 48. Kxe5 {[#] aiming for Rb7+.} Kc7 {To avoid Rb7+} 49. Kf5 h6 50. Rd3 {Weighted Error Value: White=0.11 (very precise) /Black=0.28 (precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.21"]
[White "Paredes Guzman, Francisco Javier"]
[Black "Berdayes Ason, Dylan Isidro"]
[Result "1/2-1/2"]
[ECO "E56"]
[BlackElo "2445"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,103,12,11,0,0,0,0,0,13,10,3,6,17,17,33,22,46,57,54,43,50,9,5,9,37,8,12,0,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,40,29,34,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-4,-5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 dxc4 7. Bxc4 c5 8. O-O Nc6 9. a3 Ba5 10. Re1 {E56: Nimzo-Indian: Rubinstein: Main Line: 7...Nc6.} h6 11. h3 cxd4 12. exd4 {[#]} Bc7 $146 ({Predecessor:} 12... Bb6 13. Be3 Ne7 14. Bd3 Bd7 15. Ne4 Nxe4 16. Bxe4 Bc6 17. Bxc6 Nxc6 18. Qb3 Qd6 {0-1 (68) Peralta,E (2218)-Grischuk,A (2778) Chess.com INT 2021}) 13. d5 exd5 14. Nxd5 Nxd5 15. Bxd5 Qf6 16. Qb3 Rb8 17. Bd2 Qg6 18. Be4 Qh5 19. Qd5 (19. a4 $1 $14) 19... Qxd5 $11 20. Bxd5 Bd7 (20... Rd8 $5 {[%cal Rd8d5]} 21. Bb3 Bf5 $11) 21. Bc3 Rfe8 22. Rxe8+ Rxe8 23. Nd4 Nxd4 24. Bxd4 b6 25. Bc3 Rd8 26. Bb3 Bc6 27. Rd1 Re8 28. Bd5 Bb5 29. Bf3 Bb8 30. g3 Ba4 31. Rd4 Bb3 32. Re4 Rxe4 {The position is equal.} 33. Bxe4 {[%mdl 4096] Endgame KBB-KBB} f6 34. Kg2 Kf7 35. Kf3 Ke6 36. Bh7 {[#] Strongly threatening Bg8+.} Bd5+ 37. Ke3 Bg2 38. h4 Bd6 39. Bd4 Bc6 40. g4 Bh2 41. Be4 Ba4 42. Bh7 Bd1 43. g5 fxg5 44. hxg5 hxg5 45. Bxg7 Bf4+ 46. Kd3 Be5 47. Bg8+ Kf5 48. Bxe5 Kxe5 49. Ke3 Bc2 50. Bf7 Be4 51. Bg8 a5 52. Bf7 {Weighted Error Value: White=0.04 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.22"]
[White "Sanchez Alvarez, Roberto Carlos"]
[Black "Alvidrez Aguirre, Genaro"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2407"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,45,48,68,74,119,121,116,90,93,72,70,75,86,70,106,104,108,95,95,96,99,81,95,71,77,60,77,76,114,116,370,281,408,390,480,474,468,431]} 1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. e3 e6 5. d4 d5 {[#]} 6. dxc5 $146 {[%cal Rc4d5] A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3.} ({Predecessor:} 6. b3 Nf6 7. Bd2 Bd7 8. Be2 b6 9. O-O Bg7 10. Rb1 Nh5 11. cxd5 exd5 12. Nxd5 Bf5 {½-½ (41) Quaegwer,G (1481)-Thullen,A (791) Worms 2013}) 6... dxc4 (6... Nf6 $142) 7. Qxd8+ $16 ({Don't take} 7. Bxc4 Qxd1+ 8. Nxd1 Bxc5 $14) 7... Kxd8 8. Bxc4 {And now 0-0 would win. White is better.} Bxc5 9. b3 Nf6 10. Bb2 {[%cal Oc3e4,Bc1b2,Bb2c3,Bc3b4][%mdl 32]} Bb4 11. O-O {[%cal Oc3e4]} Bxc3 12. Bxc3 Ke7 13. Rfd1 {Bb5 is the strong threat.} Rd8 14. Rxd8 Nxd8 15. Ne5 Bd7 16. Rd1 {[%cal Oe5g6]} Bc6 17. Bb4+ {This bishop pair is nice.} Ke8 18. Bf1 $40 {[%mdl 128] White attacks with force. White is much more active. Black has bad knights.} a6 {[#]} 19. Nc4 $1 {Black must now prevent Nd6+.} Bd5 $2 {[%mdl 8192] Black cannot hold the game after this.} (19... Nd5 $16) 20. Nb6 Ra7 (20... Nc6 $142 21. Bd6 Rd8) 21. f3 $18 Nd7 22. Nxd7 Kxd7 23. e4 {Weighted Error Value: White=0.09 (flawless) /Black=0.37} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.23"]
[White "Garcia, Angie"]
[Black "Perez Gormaz, Matias"]
[Result "*"]
[ECO "B50"]
[WhiteElo "1876"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,36,-9,0,-13,-7,-14,-8,-20,-12,-25,-9,-18,0,-27,-8,-6,18,0,0,0,2,0,-10,-36,-9,-33,-16,-5,-4]} 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. Nc3 a6 5. a4 Nc6 6. d3 {B50: Sicilian: 2...d6, Miscellaneous.} e6 7. O-O Be7 8. Ba2 O-O 9. Re1 {[#]} h6 $146 ({Predecessor:} 9... Bd7 10. Bf4 Ng4 11. Nd2 Nge5 12. Be3 Nb4 13. Bb1 f5 14. exf5 exf5 15. Bxc5 dxc5 16. Rxe5 {0-1 (37) Kalogeris,I (2307)-Nenezic,M (2531) Belgrade 2021}) 10. h3 Re8 11. Bd2 Bf8 12. Bf4 e5 13. Be3 Nb4 14. Bb3 Be6 15. Bxe6 Rxe6 16. b3 b6 17. Na2 Nxa2 18. Rxa2 d5 {A rather calm draw.  Weighted Error Value: White=0.10 (very precise) /Black=0.10 (very precise)} *

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.24"]
[White "Valdes Romero, Leonardo"]
[Black "Encinas Varela, David"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "2404"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,83,6,24,10,31,22,23,11,88,66,101,97,98,85,110,112,119,92,120,87,84,83,97,54,72,70,64,20,102,66,68,64,91,94,239,237,245,246,350,366,426,278,517,532,495,483,479,323,339,296,398,404,605,343,333,327,799,780,777,626,715,594,1216,808,5293,2008]} 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 c5 6. O-O Nc6 7. d4 d6 8. dxc5 dxc5 9. Bf4 Be6 10. Qa4 Qb6 11. Qb5 {E65: King's Indian: Fianchetto: 6...c5 7 0-0 without d5 by White.} (11. Ne5 {keeps more tension.} Qxb2 12. Rfc1 Qb4 13. Bxc6 bxc6 14. Nxc6 Qxc4 15. Qxc4 Bxc4 16. Nxe7+ Kh8 17. Rab1) 11... Qxb5 12. cxb5 {[#]} Nb4 $146 ({Predecessor:} 12... Nd4 13. Ng5 Bc8 14. e3 h6 15. Nxf7 Kxf7 16. exd4 cxd4 17. Nd5 Nxd5 18. Bxd5+ e6 {1-0 (39) Brueckner,T (2375)-Beukes,D (1636) Chess.com INT 2017}) 13. Be5 {White has an edge.} h6 {[#]} (13... Bh6 $11 {remains equal.}) 14. Ne1 $1 $16 Nfd5 {[#]} 15. Bxg7 Kxg7 16. Ne4 Nc7 17. a3 Nbd5 18. Nxc5 Nxb5 19. Nxe6+ fxe6 20. Nf3 Rad8 21. a4 (21. Rfc1 $16) 21... Nd6 $14 22. Nd4 $36 {[%mdl 2048] White has some pressure.} Kf6 23. Rad1 (23. Rac1 $14) 23... Nf5 (23... Nb4 $11 {keeps the balance.}) 24. e4 {[%csl LRd5,LRf5]} Nxd4 25. Rxd4 {[%cal Bd1d4,Bd4b4,Bb4b7,Bb7e7][%mdl 32]} Nb6 26. Rb4 {aiming for a5.} e5 {This costs Black the game.} (26... Rb8 $16) 27. a5 $18 Nc8 28. Rxb7 Rd2 (28... g5 {was necessary.} 29. Rc1 Rd2) 29. f4 {And now fxe5+ would win.} Rfd8 30. Bh3 {fxe5+ is the strong threat.} Nd6 $2 (30... e6 {was worth a try.} 31. b4 Rc2 32. fxe5+ Kxe5) 31. fxe5+ Kxe5 32. Rxe7+ Kd4 33. Bg2 Nc4 34. e5 {Strongly threatening Rf4+.} ({Don't take} 34. Rxa7 Ne3 $18) 34... Ne3 35. Rf4+ Kd3 (35... Kc5 $142 36. Rc7+ Kb5) 36. Bf1+ Nxf1 37. Rxf1 {KRR-KRR} ({Less strong is} 37. Kxf1 Rxb2 38. Rf2 (38. Rxa7 Ke3 $11) 38... Rxf2+ 39. Kxf2 Ke4 40. Rxa7 Kxe5 $18) 37... Ke3 $2 (37... Kc4 38. Rxa7 Re2) 38. Re1+ {White is clearly winning.} Kf3 39. Rf7+ Kg4 40. Rf4+ Kg5 41. e6 {[%cal Re1e5]} h5 42. e7 {Weighted Error Value: White=0.31/Black=0.54} (42. h4+ $142 Kh6 43. e7) 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.12"]
[Round "1.25"]
[White "Rosales Villegas, Israel"]
[Black "Jimenez Garcia, Emmanuel"]
[Result "*"]
[ECO "A41"]
[WhiteElo "1856"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,25,11,28,0,7,-2,0,0,0,15]} 1. e4 g6 2. c4 Bg7 3. d4 Nc6 4. Nf3 d6 5. Be2 Bg4 6. Be3 e5 7. d5 Bxf3 8. Bxf3 Nd4 9. Nc3 c5 {9...c5 scores better than 9...Ne7.} 10. g3 {[%cal Bg2g3,Bg3g4][%mdl 32] A41: 1 d4 d6: Tartakower System and Modern Defence.} Nf6 {The position is equal.} 11. Bg2 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 12. h3 {[#]} h4 $146 ({Predecessor:} 12... a6 13. O-O h4 14. g4 Nd7 15. Qd3 Bh6 16. Qd2 Bf4 17. Bxf4 exf4 18. Qxf4 Ne5 {½-½ (35) Banawa,J (2345)-Gareyev,T (2614) Irvine 2010}) 13. g4 $1 {To avoid Nh5. A rather calm draw.  Weighted Error Value: White=0.11 (very precise) /Black=0.02 (flawless)} *

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.26"]
[White "Diaz Rosas, Julio Cesar"]
[Black "Hernandez Morales, Dillan"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2393"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,79,24,16,21,12,18,25,27,7,13,0,39,0,33,10,16,12,18,16,18,22,35,32,102,98,97,110,105,95,180,177,185,179,200,206,207,203,197,197,204,201,210,200,211,197,244,232,246,258,271,274,371,186,184,189,196,204,208,200,235,234,340,316,522,512,553,481,487,440]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. Bxc6 dxc6 7. d3 O-O {B31: Sicilian: 2...Nc6 3 Bb5 g6.} 8. Nc3 b6 9. h3 Qc7 {White has an edge.} 10. Be3 e5 11. a3 {[#]} Nh5 $146 ({Predecessor:} 11... Rd8 12. b4 c4 13. Qe2 cxd3 14. cxd3 Ba6 15. Red1 Nh5 16. Qc2 Rac8 17. a4 Qd6 18. a5 Bxd3 19. Qb3 Qc7 20. Ne1 Bb5 21. Nxb5 cxb5 22. axb6 axb6 23. Rac1 Qb7 24. Rxd8+ Rxd8 {½-½ (24) Suarez,R (1874)-Laczay,I (1651) LSS email 2019}) 12. Qd2 Be6 13. Bh6 (13. b4 $5 {[%cal Rb4c5]}) 13... Bxh6 14. Qxh6 f6 {To avoid Ng5} 15. Ne2 Rae8 16. b4 cxb4 17. axb4 Nf4 (17... Re7 $14) 18. Nxf4 $16 {White leaves nothing to chance now.} exf4 19. d4 {White is more active.} Re7 20. c3 Rfe8 (20... Bb3 $16) 21. e5 $18 fxe5 22. Nxe5 f3 23. Nxf3 ({Don't take} 23. gxf3 $6 c5 $16) 23... c5 24. bxc5 bxc5 25. Re5 {Ng5 is the strong threat.} cxd4 26. cxd4 {[%cal Bc3d4,Bd4e5][%mdl 32] Black must now prevent Ng5.} Bf5 27. Qe3 Rxe5 28. dxe5 ({Don't play} 28. Nxe5 Qb6 29. g4 Bc8) 28... Re7 (28... a5 $142 29. Qd2 Rd8 30. Qxa5 Qxa5 31. Rxa5 h6) 29. Rc1 Qb8 30. Qc5 Qb7 31. Nd4 Be4 32. Qc8+ (32. Nb5 $142) 32... Qxc8 33. Rxc8+ {[%mdl 4096] Endgame KRB-KRN} Kg7 34. Rc5 a6 35. f3 Bd3 36. Kf2 Rb7 (36... Ra7 {was necessary.} 37. Ke3 Bf1) 37. g4 {[#] Strongly threatening Ne6+.} Rb2+ $2 (37... Bb1 38. Ke3 Ba2) 38. Ke3 {White is clearly winning.} Bb5 39. Rc7+ Kg8 40. h4 {Weighted Error Value: White=0.11 (very precise) /Black=0.29 (precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.12"]
[Round "1.27"]
[White "Torres Rivas, Felipe de Jesus"]
[Black "Leon Valdes, Jony Wilson"]
[Result "*"]
[ECO "E18"]
[WhiteElo "1845"]
[BlackElo "2392"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,48,10,28,0,-3,-15,0,-32,-26,-25,-18,-15,-7,-14,0,-18,-10,-17,-15,-18,-12,-14,0,-7,0,0,0,0,0,0,0,0,-9,-22,-20,-26,0]} 1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Bf4 {8.Bd2 is becoming the main line. E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3).} (8. Qd3 $5 {[%cal Rc3e4]} d5 9. cxd5 exd5 10. Ne5 $11) 8... Nxc3 9. bxc3 Be4 {[#]} 10. Ne5 $146 {The position is equal.} ({Predecessor:} 10. h4 d6 11. Ng5 Bxg2 12. Kxg2 h6 13. Nf3 Nd7 14. Qd3 Re8 15. Rad1 Bf8 16. e4 {0-1 (49) Li,H (2349)-Oparin,G (2624) Xingtai 2018}) 10... Bxg2 11. Kxg2 d6 12. Nf3 Nc6 13. Qd3 Na5 14. e4 Qc8 15. Nd2 Qa6 16. Rfe1 Rac8 17. Qe2 Rfe8 18. Rab1 Bf6 19. h4 e5 20. Bg5 Be7 21. Qg4 Bf8 22. Qe2 c6 23. h5 {[%cal Oh5h6]} h6 24. Be3 d5 {A rather calm draw.  Weighted Error Value: White=0.07 (flawless) /Black=0.04 (flawless)} *

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.27"]
[White "Torres Rivas, Felipe De Jesus"]
[Black "Leon Valdes, Jony Wilson"]
[Result "0-1"]
[ECO "E18"]
[BlackElo "2392"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,79,9,6,-4,-16,-15,0,-18,-14,-13,-7,-12,-9,-13,0,-14,-14,-12,-10,0,0,0,0,0,0,0,0,0,0,0,0,-2,-8,-19,-18,-18,0,0,47,0,0,0,0,0,0,0,0,0,0,0,0,-416,-323,-376,-322,-304,-315,-577,-573,-1035,-1036,-1109,-1096,-2244,-2096,-2025,-2004,-2157]} 1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Bf4 {Recently 8.Bd2 got a lot of attention. E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3).} Nxc3 9. bxc3 Be4 {[#]} 10. Ne5 $146 {The position is equal.} ({Predecessor:} 10. h4 d6 11. Ng5 Bxg2 12. Kxg2 h6 13. Nf3 Nd7 14. Qd3 Re8 15. Rad1 Bf8 16. e4 {0-1 (49) Li,H (2349)-Oparin,G (2624) Xingtai 2018}) 10... Bxg2 11. Kxg2 d6 12. Nf3 Nc6 13. Qd3 Na5 14. e4 Qc8 15. Nd2 Qa6 16. Rfe1 Rac8 17. Qe2 Rfe8 18. Rab1 Bf6 19. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} e5 20. Bg5 Be7 21. Qg4 Bf8 22. Qe2 c6 23. h5 h6 24. Be3 {[%cal Bg5e3,Be3h6,Bh6g7][%mdl 32]} d5 25. Qg4 {aiming for Bxh6.} exd4 (25... Nxc4 $11 26. Bxh6 Nxd2 27. Bxd2 Qxa2) 26. cxd4 (26. Bxh6 $1 $14 Kh8 27. exd5 cxd5 28. Bxg7+ Bxg7 29. h6 Bxh6 30. cxd5 (30. Rh1 Re6 $11)) 26... Nxc4 $11 {[%cal Ba5c4,Bc4d2,Bd2e4][%mdl 32]} 27. Bxh6 Nxd2 (27... Qxa2 $2 {[#]} 28. Bxg7 $1 {[%mdl 512]} Qxd2 29. Bh6+ Kh8 30. Bxd2 $18) 28. Bxg7 $1 {White threatens h6 and mate.} f5 $1 (28... Bxg7 29. h6 Kf8 30. hxg7+ Ke7 31. exd5+) (28... Rxe4 29. Rxe4 Nxe4 30. Be5+ Kh7 31. Qf5+ Kg8 32. Qg4+ Kh7 33. Qd7 $18) 29. exf5 {Intending Bf6+ and mate.} Bxg7 30. f6 {[%csl Gf6][%cal Rg4g7][%mdl 64] Pin} Qb7 31. Rxe8+ Rxe8 {Chess con chili.} 32. Rh1 {[%mdl 8192] [#]} (32. h6 $1 $11 Ne4 33. fxg7) 32... Ne4 $1 33. fxg7 {White wants to mate with h6.} (33. Qxg7+ Qxg7) 33... Qxg7 34. Qxg7+ Kxg7 $19 {[%mdl 4096] Endgame KRN-KR} 35. f4 $2 (35. Rc1 c5 36. f3) 35... c5 {Black is clearly winning.} 36. dxc5 bxc5 37. g4 d4 {[%cal Bd5d4,Bd4d3][%mdl 32]} 38. g5 d3 39. Rb1 Re7 40. Kh3 {Weighted Error Value: White=0.56/Black=0.06 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.12"]
[Round "1.28"]
[White "Gemy, Jose Daniel"]
[Black "Martinez de La Trinidad, Alexandra"]
[Result "*"]
[ECO "B49"]
[WhiteElo "2381"]
[BlackElo "1843"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,49,12,21,31,36,-4,45,42,54,0,59,47,47,35,36,34,62,48,84,58,118,103]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. O-O Bb4 9. Nxc6 bxc6 10. Na4 Be7 11. Nb6 Rb8 12. Nxc8 Qxc8 13. e5 Nd5 14. Bc1 Bc5 15. Qd3 O-O 16. c4 {B49: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 7 Be2.} Ne7 {[#]} 17. Kh1 $146 ({Predecessor:} 17. b3 Qc7 18. Bb2 Ng6 19. Qe4 a5 20. Bc3 Bb4 21. Bd4 d6 22. exd6 Bxd6 23. g3 c5 {0-1 (74) Skliarov,V (2429)-Neiksans,A (2614) Warsaw 2016}) 17... f5 (17... Qc7 $11) 18. f4 {White is slightly better.} Rd8 19. Qc2 ({Better is} 19. Rb1 $14) 19... Qb7 (19... Bd4 $11) 20. Rb1 $14 Qa7 21. Bd2 a5 {Inhibits b4.} 22. Rfd1 Kf7 23. Bc3 Rb7 24. Rd3 {White is more active.} g6 (24... d5 $14) 25. Rbd1 {Weighted Error Value: White=0.15 (very precise) /Black=0.27 (precise)} *

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.28"]
[White "Gemy Jose Daniel"]
[Black "Martinez De La Trinidad, Alexandra"]
[Result "1-0"]
[ECO "B49"]
[Annotator "NA RC"]
[PlyCount "129"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:02:27]} (1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. d4 O-O 7. Nc3 Ne4 8. Bd2 {is recently more successful than 8.Qc2.} f5 9. Ne5 {E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3).} Nxc3 (9... Bf6 {is more complex.} 10. Qc2 Nxc3 11. Bxc3 Bxg2 12. Kxg2 a5) 10. Bxc3 Bxg2 ({Don't take} 10... Nc6 11. Nxc6 dxc6 12. b4 $16) 11. Kxg2 {[%cal Oe2e4] White has an edge.} d6 12. Nf3 $5 {[%mdl 4] [#] A promising side line.} (12. Nd3 $14) 12... Nd7 $146 ({Predecessor:} 12... Bf6 13. Qd3 Nd7 14. e4 g6 15. Rfe1 Bg7 16. Rad1 Nf6 17. exf5 exf5 18. Ng5 Qd7 {1-0 (33) Sarana,A (2651)-Kozlov,G (2380) Moscow 2019}) 13. Qd3 Qc8 14. e4 Qb7 15. Rae1 Rae8 ({Black should play} 15... f4 $14) 16. exf5 $16 exf5 17. Re6 Bd8 (17... Qc8 $142) 18. Rxe8 Rxe8 19. Qxf5 Nf6 20. d5 {Ng5 is the strong threat.} c6 21. Rd1 {White is more active.} cxd5 22. cxd5 Qd7 (22... Qf7 $16 23. Ng5 Qh5) 23. Qxd7 Nxd7 {[#]} 24. Nd4 $1 Bf6 25. Nb5 Bxc3 26. Nxc3 (26. bxc3 $18 Re2 27. a4 (27. Nxd6 Rxa2 28. Re1 Nf6 $18)) 26... a6 27. f4 Nf6 28. Kf3 {Prevents Re3+.} h5 29. h3 Kf7 (29... b5 $16 30. Rd4 Re1) 30. g4 {Weighted Error Value: White=0.10 (very precise) /Black=0.20 (precise)}) 1... c5 {[%emt 0:00:15]} 2. Nf3 {[%emt 0:00:06]} e6 {[%emt 0:00:14]} 3. d4 {[%emt 0:00:12]} cxd4 {[%emt 0:00:08]} 4. Nxd4 {[%emt 0:00:04]} Nc6 {[%emt 0:00:10]} 5. Nc3 {[%emt 0:00:05]} Qc7 {[%emt 0:00:07]} 6. Be3 {[%emt 0:01:18]} a6 {[%emt 0:00:09]} 7. Be2 {[%emt 0:03:32]} Nf6 {[%emt 0:00:14]} 8. O-O {[%emt 0:00:25]} Bb4 {[%emt 0:00:08]} 9. Nxc6 bxc6 {[%emt 0:00:30]} 10. Na4 {[%emt 0:11:12]} Be7 {[%emt 0:00:14]} 11. Nb6 {[%emt 0:03:31]} Rb8 {[%emt 0:00:10]} 12. Nxc8 {[%emt 0:00:07]} Qxc8 {[%emt 0:00:04]} 13. e5 {[%emt 0:00:10]} Nd5 {[%emt 0:00:20]} 14. Bc1 {[%emt 0:11:39]} Bc5 {[%emt 0:06:23]} 15. Qd3 {[%emt 0:03:32]} O-O {[%emt 0:04:02]} 16. c4 {[%emt 0:16:04]} Ne7 {[%emt 0:00:28]} 17. Kh1 {[%emt 0:00:23]} f5 {[%emt 0:01:57]} 18. f4 {[%emt 0:01:12]} Rd8 {[%emt 0:00:39]} 19. Qc2 {[%emt 0:07:38]} Qb7 {[%emt 0:09:10]} 20. Rb1 {[%emt 0:00:49]} Qa7 {[%emt 0:00:17]} 21. Bd2 {[%emt 0:04:30]} a5 {[%emt 0:00:31]} 22. Rfd1 {[%emt 0:00:29]} Kf7 {[%emt 0:01:20]} 23. Bc3 {[%emt 0:00:36]} Rb7 {[%emt 0:02:30]} 24. Rd3 {[%emt 0:03:43]} g6 {[%emt 0:06:55]} 25. Rbd1 {[%emt 0:06:13]} Rdb8 {[%emt 0:02:17]} 26. Qd2 {[%emt 0:01:46]} Ke8 {[%emt 0:00:45]} 27. a3 {[%emt 0:05:20]} a4 {[%emt 0:00:32]} 28. Qe1 {[%emt 0:00:18]} Bf2 {[%emt 0:02:44]} 29. Qf1 {[%emt 0:00:28]} Bc5 {[%emt 0:00:21]} 30. R1d2 {[%emt 0:02:29]} Be3 {[%emt 0:00:14]} 31. Rc2 {[%emt 0:00:16]} Bc5 {[%emt 0:00:12]} 32. Qf3 {[%emt 0:00:41]} Qb6 {[%emt 0:00:44]} 33. Qh3 {[%emt 0:01:37]} h5 {[%emt 0:00:13]} 34. Qh4 {[%emt 0:00:31]} Ng8 {[%emt 0:04:09]} 35. Qg5 {[%emt 0:02:24]} Kf7 {[%emt 0:01:44]} 36. Rg3 {[%emt 0:00:30]} Ne7 {[%emt 0:00:38]} 37. Qf6+ {[%emt 0:03:38]} Ke8 {[%emt 0:00:18]} 38. Bxh5 {[%emt 0:01:06]} Kd8 {[%emt 0:00:06]} 39. Rxg6 {[%emt 0:00:20]} Kc7 {[%emt 0:03:10]} 40. Rg7 {[%emt 0:00:15]} Rh8 {[%emt 0:01:35]} 41. Rxe7 {[%emt 0:01:06]} Rxh5 {[%emt 0:00:16]} 42. Rxd7+ {[%emt 0:02:07]} Kb8 {[%emt 0:00:07]} 43. Rxb7+ {[%emt 0:01:23]} Qxb7 {[%emt 0:00:10]} 44. Qd8+ {[%emt 0:00:07]} Qc8 {[%emt 0:00:47]} 45. Qxc8+ Kxc8 {[%emt 0:00:08]} 46. g3 {[%emt 0:00:31]} Rh7 {[%emt 0:03:20]} 47. Kg2 {[%emt 0:00:21]} Kd8 {[%emt 0:00:07]} 48. Rd2+ {[%emt 0:01:30]} Ke8 {[%emt 0:00:09]} 49. h3 {[%emt 0:00:40]} Rg7 {[%emt 0:00:14]} 50. Ba5 {[%emt 0:00:53]} Rb7 {[%emt 0:00:14]} 51. Bc3 {[%emt 0:00:30]} Rb3 {[%emt 0:00:08]} 52. Rc2 {[%emt 0:00:15]} Kf7 {[%emt 0:00:11]} 53. g4 {[%emt 0:00:15]} fxg4 {[%emt 0:00:06]} 54. hxg4 {[%emt 0:00:05]} Kg6 {[%emt 0:00:07]} 55. Kf3 {[%emt 0:00:37]} Bd4 {[%emt 0:00:16]} 56. Ke4 {[%emt 0:00:06]} Bxc3 {[%emt 0:00:05]} 57. f5+ {[%emt 0:00:11]} Kf7 {[%emt 0:00:32]} 58. Rxc3 {[%emt 0:00:32]} Rxb2 {[%emt 0:00:07]} 59. Rd3 {[%emt 0:00:35]} Rc2 {[%emt 0:00:16]} 60. fxe6+ {[%emt 0:03:15]} Ke8 {[%emt 0:00:59]} 61. Rh3 {[%emt 0:01:59]} Rxc4+ {[%emt 0:00:20]} 62. Kf5 {[%emt 0:00:04]} Rc1 {[%emt 0:00:31]} 63. Rh8+ {[%emt 0:00:07]} Ke7 {[%emt 0:00:07]} 64. Rh7+ {[%emt 0:00:03]} Ke8 {[%emt 0:00:11]} 65. e7 {[%emt 0:00:08]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.12"]
[Round "1.29"]
[White "Mares Arellano, Juan Antoni"]
[Black "Lopez Gonzalez, Abel Fabian"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1812"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,60,5,9,-111,-101,-105,-80,-146,-141,-150,-139,-185,-171,-329,-333,-391,-380,-395,-381,-437,-417,-537,-520,-550,-547,-544,-527,-544,-542,-539,-530,-600,-595,-603,-625,-619,-609,-607,-601,-684,-664,-714,-712,-785,-653,-753,-741,-764,-785,-1318,-1249]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 {[%cal Bb8c6,Bc6d4,Bd4c2][%mdl 32]} 6. Nf3 Bg4 7. Qb3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} (7. Bg5 $11 {keeps the balance.}) 7... Bxf3 $17 8. gxf3 {[%cal Rc4d5]} Nxd4 9. Qa4+ (9. Qd1 $142 e5 10. f4) 9... Qd7 10. Qxd7+ Nxd7 11. Nxd5 {[#]} (11. Rb1 $17) 11... O-O-O $1 $19 {[#] Strongly threatening ...Nc2+.} ({Weaker is} 11... Nxf3+ 12. Ke2 Nd4+ 13. Kd3 $11) (11... Nc2+ 12. Kd1 Nxa1 13. Nc7+ Kd8 14. Nxa8 $14) 12. Be3 $146 (12. Kd1) ({Predecessor:} 12. Rb1 Nxf3+ 13. Ke2 Nde5 14. Bg2 Nd4+ 15. Kf1 e6 16. Bf4 Nef3 17. Nc3 Bd6 18. Be3 Nxh2+ {½-½ (52) Dembling,A (1799)-Morgan,J (1507) San Francisco 2011}) 12... Nc2+ {Pair of Knights!} ({Worse is} 12... Nxf3+ 13. Ke2 Nh4 14. Nc3 $11) 13. Kd1 Nxa1 14. Kc1 e6 15. Nc3 Bc5 16. Kb1 Bxe3 {Black is clearly winning.} 17. fxe3 {[#]} Nc5 $1 {[%cal Oc5a4]} 18. Be2 {[#]} (18. Kxa1 Na4) 18... Rd2 $1 {And now ...Nc2 would win.} 19. Kxa1 {[#]} Na4 $1 {[%mdl 512] White must now prevent ...Nxc3.} 20. Nxa4 {Hoping for Nc3.} (20. Re1 Nxc3) 20... Rxe2 {[%mdl 4096] Endgame KRR-KRN} 21. Nc3 Rxe3 22. Nb5 a6 23. Nd6+ Kc7 24. c5 Rxf3 25. b4 Rd8 26. Rd1 Rf2 27. b5 {[#]} Rf5 $1 28. bxa6 (28. Rg1 Rxc5) 28... bxa6 29. Rb1 Rxc5 30. Nb7 Rb5 {White did not feel at home in the position after the opening.  Weighted Error Value: White=0.55/Black=0.01 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.29"]
[White "Mares Arellano, Juan Antonio"]
[Black "Lopez Gonzalez, Abel Fabian"]
[Result "0-1"]
[ECO "B13"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,60,18,11,-84,-74,-88,-85,-131,-141,-152,-153,-190,-191,-336,-333,-415,-420,-394,-409,-439,-435,-542,-552,-518,-553,-547,-549,-547,-538,-536,-527,-597,-606,-616,-622,-612,-597,-607,-590,-676,-664,-718,-717,-766,-680,-701,-679,-890,-877,-1174,-1052]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 {[%cal Bb8c6,Bc6d4,Bd4c2][%mdl 32]} 6. Nf3 Bg4 7. Qb3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} (7. Be3 $1 $11 {was the only way to keep the balance.}) 7... Bxf3 $17 8. gxf3 {[%cal Rc4d5]} Nxd4 9. Qa4+ ({White should try} 9. Qd1 dxc4 10. Be3) 9... Qd7 10. Qxd7+ Nxd7 11. Nxd5 {[#]} O-O-O {[#] To avoid Nc7. Threatens to win with ...Nc2+.} ({Worse is} 11... Nxf3+ 12. Ke2 Nd4+ 13. Kd3 $11) ({Less strong is} 11... Nc2+ 12. Kd1 Nxa1 13. Nc7+ Kd8 14. Nxa8 $14) 12. Be3 $146 (12. Kd1 {keeps fighting.}) ({Predecessor:} 12. Rb1 Nxf3+ 13. Ke2 Nde5 14. Bg2 Nd4+ 15. Kf1 e6 16. Bf4 Nef3 17. Nc3 Bd6 18. Be3 Nxh2+ {½-½ (52) Dembling,A (1799)-Morgan,J (1507) San Francisco 2011}) 12... Nc2+ $19 {Pair of Knights!} ({Stronger than} 12... Nxf3+ 13. Ke2 Nh4 14. Nc3 $11) 13. Kd1 Nxa1 14. Kc1 e6 15. Nc3 Bc5 {Black is clearly winning.} 16. Kb1 Bxe3 17. fxe3 {[#]} Nc5 $1 {[%cal Oc5a4] White must now prevent ...Na4!} 18. Be2 {[#]} (18. Kxa1 Na4) 18... Rd2 $1 {Strongly threatening ...Nc2.} 19. Kxa1 {[#]} Na4 $1 {[%mdl 512]} 20. Nxa4 {Nc3 is the strong threat.} Rxe2 {[%mdl 4096] Endgame KRR-KRN} 21. Nc3 Rxe3 22. Nb5 a6 23. Nd6+ Kc7 24. c5 Rxf3 25. b4 Rd8 26. Rd1 Rf2 27. b5 Rf5 28. bxa6 bxa6 29. Rb1 Rxc5 30. Nb7 Rb5 {White got outplayed after the opening.  Weighted Error Value: White=0.48/Black=0.01 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.30"]
[White "Galaviz Medina, Sion Radamantys"]
[Black "Ramirez Toledo, Ayleen Maribel"]
[Result "1-0"]
[ECO "E93"]
[WhiteElo "2374"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,61,83,55,60,73,63,47,51,55,102,92,93,78,88,54,98,47,40,22,15,23,216,152,197,214,195,197,333,346,520,516,460,354,305,227,729,727,840,817,1882,1885,5606,5606,3255,1670]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 e5 7. d5 a5 8. Nf3 Na6 9. Nd2 Nc5 10. a3 {10.h4 is more advanced technology.} Ne8 {E93: King's Indian: Classical: Petrosian System with 7...Nbd7.} 11. b4 (11. h4 {is more complex.} f5 12. Qc2 h5 13. Bxc5 dxc5 14. exf5 Bxf5 15. Nde4) 11... axb4 12. axb4 {[%mdl 64] [#] Discovered Attack} Rxa1 {White is slightly better.} 13. Qxa1 Na6 (13... f5 $14) 14. Qa3 {White is more active.} f5 {[%cal Oc7c5]} 15. Nb3 {[%cal Bd2b3,Bb3a5,Ba5b7,Bb7d8,Bd8c6][%mdl 32] To avoid c5} Nf6 {[#]} 16. h3 $146 ({Predecessor:} 16. c5 Nxe4 17. Nxe4 fxe4 18. c6 bxc6 19. dxc6 Nc5 20. Nxc5 dxc5 21. Bxc5 Rf6 22. O-O {1-0 (32) Kruppa,Y (2561)-Stoockalov,V (2445) Alushta 1999}) 16... Rf7 (16... Nh5 $14) 17. b5 (17. O-O $16) 17... Nb8 $1 $14 18. Qa8 Nbd7 19. Na5 $36 {[%mdl 2048] White is pushing.} Nxe4 $2 {A mistake that costs the game.} (19... Nb6 $11 20. Nxb7 Qf8) 20. Nxe4 fxe4 (20... Rf8 $16 {was necessary.}) 21. Nxb7 $18 Qf8 22. O-O {[%cal Bh1f1,Bf1a1,Ba1a7][%mdl 32]} Nf6 (22... Bxb7 $142 23. Qxb7 Bh6) 23. Ra1 Bf5 (23... h6 $142 24. b6 cxb6) 24. Nd8 Re7 25. Nc6 Re8 26. Qb7 Qf7 (26... Bh6 27. Bxh6 (27. Qxc7 Bxe3 28. fxe3 Bxh3 $16) 27... Qxh6) 27. Ra7 {White is clearly winning.} Rc8 28. b6 Ne8 29. Bg4 {White wants to mate with Bxf5.} Bxg4 30. hxg4 Qd7 {[#]} 31. Qxc8 $1 {[%mdl 512] Weighted Error Value: White=0.25 (precise) /Black=0.48} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.31"]
[White "Diaz Gonzalez Jardon, Emmanuel"]
[Black "Veiga, Jose Francisco R P N"]
[Result "0-1"]
[ECO "E73"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,68,40,39,36,32,31,15,14,-7,-16,-45,0,0,0,-57,-62,-64,-61,-52,-58,-51,-59,-60,-59,-57,-62,-58,-59,-69,-68,-76,-59,-69,0,-36,0,-35,-31,-45,-49,-43,-44,-79,-32,-41,-40,-64,-62,-894,-881,-897,-891,-872,-881,-887,-886,-876,-860,-769,-526]} 1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 Na6 $1 {[%mdl 4] is currently scoring better than 6...e5. E73: King's Indian: Averbakh Variation without 6...c5.} 7. h3 e5 8. dxe5 ({Don't play} 8. Nf3 exd4 9. Bxd4 (9. Qxd4 Ng4 $15) 9... Re8 $11) (8. d5 {keeps more tension.} Nc5 9. Qc2 b6 10. Nf3 a5 11. g4) 8... dxe5 {The position is equal.} 9. Qxd8 Rxd8 {[#]} 10. a3 $146 ({Predecessor:} 10. Nf3 Nh5 11. Nd5 Be6 12. O-O c6 13. Nc3 Nf4 14. Rfc1 h6 15. a3 g5 16. Ne1 Nxe2+ 17. Nxe2 {½-½ (37) Rojas Mirabal,P (2068)-Camino Carrio,N (2004) Gran Canaria 2019}) 10... c6 (10... b6 $1 $15) 11. Nf3 $11 Nh5 12. Rc1 (12. g3 $11) 12... Nf4 $15 13. Bf1 Ne6 {Black is more active.} 14. Rd1 Nd4 15. Nxd4 exd4 16. Ne2 $1 {[%cal Re2d4] [#]} Bg4 $1 {Threatens to win with ...Bxe2.} 17. Bg5 Bxe2 18. Bxe2 Re8 19. f3 Nc5 20. b4 Na4 21. Kf2 Nb2 (21... Nc3 $15 22. Rd2 a5) 22. Rd2 (22. Rb1 $5 {[%cal Rb1b2]}) 22... Na4 (22... d3 $5 23. Bxd3 Bc3 $11) 23. Bd3 a5 24. c5 axb4 25. axb4 Nc3 26. Re1 Ra4 ({Black should play} 26... Ra3 $17) 27. Rb2 Rea8 {[%cal Be8a8,Ba8a1,Ba1c1,Bc1d1,Bd1d2][%mdl 32]} 28. Bc4 {Prevents Ra2.} Ra1 29. Bd2 $2 {[%mdl 8192] [#] Now White is beyond hope.} (29. Rxa1 $15 Rxa1 30. Rb3) 29... Rxe1 $19 {Black is clearly winning.} ({Not} 29... Nd1+ $2 30. Rxd1 Rxd1 31. f4 $19) 30. Kxe1 Ra1+ 31. Bc1 Rxc1+ 32. Kd2 Bh6+ 33. Kd3 Rd1+ 34. Kc2 Rd2+ {Weighted Error Value: White=0.35/Black=0.09 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.32"]
[White "Santos, Jose Guilherme B Lim"]
[Black "Ancheyta Tejas, Claudinelly"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2363"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,61,19,16,56,47,50,27,54,44,56,61,54,31,111,120,130,133,110,125,170,161,189,180,199,187,190,135,237,170,174,159,164,154,184,183,174,180,183,178,176,172,185,191,220,209,197,186,272,283]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 h6 8. Bh4 Bg4 {D35: Queen's Gambit Declined: Exchange Variation.} 9. f3 Be6 10. Bf2 {[#]} Nbd7 $146 {White has an edge.} ({Predecessor:} 10... c5 11. Nge2 Nc6 12. O-O cxd4 13. exd4 Bd6 14. Rc1 Rc8 15. Qd2 g5 16. Rfe1 Kf8 {1-0 (42) Singh,S (2274)-Dave,S (1855) New Delhi 2012}) 11. Nge2 Bd6 12. O-O O-O 13. h3 Qc7 (13... Nh5 $14) 14. e4 $16 dxe4 15. fxe4 Rad8 16. Kh1 a6 (16... Rfe8 $16) 17. e5 $18 Bxe5 18. dxe5 Nxe5 {[#]} 19. Bg3 $1 Bc4 (19... Nh5 20. Bh2) 20. Rf3 Qa5 (20... Rfe8 $16) 21. Bxe5 Qxe5 22. Qc2 Bxd3 23. Rxd3 Qf5 24. Rad1 Rfe8 25. Qd2 Rxd3 26. Qxd3 Qf2 27. Qf3 Qh4 28. Qf4 Qh5 29. Ng3 Qc5 30. Rf1 Qe7 (30... Qe5 {was called for.} 31. Qf3 Qe3) 31. Nf5 {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.09 (flawless) /Black=0.24 (precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.33"]
[White "Mateos Bernabe, Luis Javier"]
[Black "Garcia Guerrero, Isaac Antonio"]
[Result "0-1"]
[ECO "B36"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,70,45,40,58,43,50,0,0,0,-5,0,0,-29,-19,-22,-14,-20,-4,-10,0,-20,-1,-17,-31,-29,-10,-38,-45,-47,-41,-37,-29,-83,-89,-142,-170,-187,-137,-214,-193,-538,-540,-656,-644,-722,-749,-742,-732,-860,-857,-834,-823]} 1. e4 c5 2. Nf3 g6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. O-O O-O 10. Qd3 Be6 {10...a5 is the modern continuation.} 11. Be3 Qa5 {B36: Sicilian: Maroczy Bind: Gurgenidze System.} 12. Rac1 (12. Bd4 {feels hotter.} Nd7 13. Bxg7 Kxg7 14. f4 Rac8 15. b3) 12... Nd7 {[#]} 13. f4 $146 {Prevents Ne5.} (13. Qb1 $14) ({Predecessor:} 13. Qd2 Rfc8 14. b3 a6 15. f4 Nc5 16. Bf3 Rab8 17. Bd4 Qb6 18. Bxg7 Nxb3+ {1-0 (59) Batyte,D (2214)-Huber,M (2417) Innsbruck 2017}) 13... Rfc8 $11 {The position is equal.} 14. b3 Nc5 15. Bxc5 Rxc5 16. Na4 Rcc8 17. f5 Bd7 18. Nc3 $1 Qe5 19. Nd5 Bc6 20. Bg4 Rf8 21. Qf3 Rae8 22. Rcd1 Kh8 23. Rde1 e6 {[#] Strongly threatening ...gxf5.} 24. f6 Bh6 25. Ne7 Bd7 {[%cal Bc6d7,Bd7a4,Ba4c2][%mdl 32]} 26. h4 {[#] Prevents Bg5.} (26. Qg3 $11 {remains equal.}) 26... b5 $1 $17 27. Qd3 (27. cxb5 $142 Bxb5 28. Rf2) 27... bxc4 28. bxc4 Rb8 (28... Bf4 $19 29. Re2 h5) 29. Rd1 (29. Bd1 $17 {was worth a try.}) 29... Ba4 $19 30. Rb1 (30. Rd2 {is a better chance.}) 30... Rxb1 {Black is clearly winning.} 31. Rxb1 Qxf6 32. Qxd6 Bc2 {This bishop pair is nice.} 33. Re1 Qxh4 34. Re2 Qxg4 35. Rxc2 Qxe4 {White got outplayed after the opening.  Weighted Error Value: White=0.44/Black=0.08 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.34"]
[White "Perez Garcia, Rodney Oscar"]
[Black "Salazar Moreno, Rafael"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2331"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,49,32,32,33,35,37,70,51,158,116,157,164,226,212,543,538,513,523,529,529,528,510,29994,29995,29996,29997,29997,29998]} 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Be7 5. Nf3 Nd7 6. Bd3 Ngf6 7. Qe2 Nxe4 8. Qxe4 Nf6 9. Qe2 O-O 10. O-O b6 11. Bg5 Bb7 {has lost popularity (11...h6).} 12. Rad1 Bxf3 13. Qxf3 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} Qd5 14. Qe3 {[#] Hoping for Bxf6.} Qd8 $146 ({Predecessor:} 14... Qxa2 15. d5 Nxd5 16. Qe4 g6 17. Bc4 Qxb2 18. Bxd5 exd5 19. Qxe7 c6 20. Qd6 c5 21. Rxd5 Qg7 22. Qf4 Rfe8 23. Bh6 Qc3 24. Rd7 f5 25. Qc7 Qe5 26. Rg7+ Kh8 27. Rxh7+ {1-0 (26) Barbosa,F (2093)-Fuzatto,A (1457) Barrinha 2010}) 15. Rfe1 {White is more active. White is slightly better.} Nd5 ({Black should play} 15... g6 $14) 16. Qh3 (16. Qe4 $142 {[%csl Gd3][%cal Re4h7]} g6 17. Bh6) 16... g6 {[#]} (16... f5 $142) 17. Bh6 $1 $16 Re8 (17... Qd6 $142 18. Bxf8 Bxf8) 18. Bb5 $18 {A strong pair of Bishops.} Nb4 $2 (18... Rf8 {is a better chance.} 19. c4 Nf6) 19. Bxe8 Qxe8 20. d5 Nxd5 {[#]} 21. Rxd5 {[%mdl 512]} exd5 22. Qe3 {Qe5 is the strong threat.} Qa4 (22... f6 $18 23. Qxe7 Qf7) 23. Qxe7 {White mates.} Qc6 24. Qe5 {[%csl Gh6][%cal Re5g7]} f6 25. Qe7 {Black got outplayed after the opening.  Weighted Error Value: White=0.07 (flawless) /Black=1.16} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.12"]
[Round "1.35"]
[White "Pereira, Henry Alberto"]
[Black "Noboa Silva, Kevin"]
[Result "*"]
[ECO "A06"]
[WhiteElo "1775"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,42,15,12,8,18,18,18,18,15,10,15,0,0,0,0,-16,-14,-16,0,-20,0,-33,-29,-79,-60,-78,12,-17,-10,-21,-36,-26,0,-41,-56]} 1. b3 d5 2. Bb2 c5 3. e3 a6 4. Nf3 Nc6 5. d4 cxd4 6. Nxd4 {A06: Réti Opening: 1 Nf3 d5.} Nf6 7. Nxc6 bxc6 8. Be2 {The position is equal.} e6 9. O-O Bd6 10. Nd2 {[%cal Bb1d2,Bd2f3,Bf3h4][%mdl 32]} e5 11. c4 O-O 12. cxd5 cxd5 13. Rc1 {[%cal Oe3e4]} Bf5 14. Nf3 Qe7 {[#]} 15. Nh4 $146 ({Predecessor:} 15. h3 a5 {½-½ (15) Campos Gomez,M (1737)-Velez Rueda,J (1920) Moniquira 2019}) 15... Bd7 16. g3 (16. Qd3 $11) 16... a5 $17 17. Qd3 e4 (17... Ba3 $17 18. Qb1 Rfb8) 18. Qb1 a4 19. Rfd1 axb3 20. axb3 Be5 21. Bd4 (21. b4 $11) 21... Rfb8 {Weighted Error Value: White=0.15 (very precise) /Black=0.17 (very precise)} *

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.35"]
[White "Pereira Vera, Henry Alberto"]
[Black "Noboa Silva, Kevin"]
[Result "0-1"]
[ECO "A06"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,8,30,29,25,27,24,9,9,9,15,-7,0,0,0,0,0,0,12,-14,0,-35,-33,-80,-76,-71,14,-12,-14,-6,-24,-38,-6,-27,-26,-78,-79,-70,-23,-43,-17,-11,-22,-8,-10,-15,0,7,38,45,87,73,74,0,0,-351,-351,-351,-356,-360,-360,-387,-190,-191,-183,-391,-388,-443,-386,-418,-418,-353,-331]} 1. b3 d5 2. Bb2 c5 3. e3 a6 4. Nf3 Nc6 5. d4 cxd4 6. Nxd4 {A06: Réti Opening: 1 Nf3 d5.} Nf6 7. Nxc6 bxc6 8. Be2 {White has an edge.} e6 9. O-O Bd6 10. Nd2 e5 11. c4 O-O 12. cxd5 cxd5 13. Rc1 {[%cal Oe3e4]} Bf5 14. Nf3 Qe7 {[#]} 15. Nh4 $146 ({Predecessor:} 15. h3 a5 {½-½ (15) Campos Gomez,M (1737)-Velez Rueda,J (1920) Moniquira 2019}) 15... Bd7 16. g3 (16. Qc2 $15 {is more appropriate.}) 16... a5 $17 17. Qd3 e4 (17... Qe6 $17) 18. Qb1 a4 19. Rfd1 axb3 20. axb3 Be5 21. Bd4 Rfb8 22. Qc2 (22. Ng2 $11) 22... Bxd4 23. Rxd4 Qa3 ({Black should play} 23... Rc8 $15 24. Qb2 Rxc1+ 25. Qxc1 Qa3 26. Qxa3 Rxa3) 24. Rb1 $11 Rc8 25. Qd1 Rc3 26. Rd2 $1 Rac8 $36 {[%mdl 2048] [#] White must now prevent ...Rc1. Black fights for an advantage.} 27. Rdb2 $1 Qb4 28. Ng2 g5 {[%cal Oh7h5]} 29. Ne1 Bb5 (29... d4 $14) 30. Bxb5 Qxb5 31. Rc2 (31. b4 $16) 31... Kg7 {[%cal Oc3b3]} 32. Qd2 $2 {[%mdl 8192] [#]} (32. b4 $11 {and White stays safe.}) 32... Rxc2 $1 $19 33. Nxc2 Qd3 34. Qxd3 exd3 {[%mdl 4096] Endgame KRN-KRN} 35. Nd4 Ne4 (35... d2 $142 {( -> ...Rc1+)} 36. Ne2 Rc2) 36. Rd1 {Prevents Rc1.} d2 37. Ne2 {Prevents Rc1.} (37. Kf1 {only move.}) 37... g4 38. Kg2 Rc2 39. f3 gxf3+ 40. Kxf3 Rb2 {Weighted Error Value: White=0.38/Black=0.18 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.36"]
[White "Perez Rodriguez, Luis Manuel"]
[Black "Hernandez Diaz, Paula Sofia"]
[Result "1-0"]
[ECO "B22"]
[Annotator "NA RC"]
[PlyCount "69"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:08]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:07]} (2... g6 3. c3 Qa5 4. Na3 Bg7 5. d4 d6 (5... cxd4 $11 {remains equal.} 6. b4 (6. Nxd4 Nc6 $14) 6... Qd8) 6. Nc4 {B22: Sicilian: 2 c3.} (6. Bc4 {feels hotter.} cxd4 7. Qb3 dxc3 8. Bxf7+ Kf8 9. O-O) 6... Qc7 7. a4 {[#] White is more active.} (7. e5 $14 d5 8. Ne3) 7... Be6 $146 (7... cxd4 $11 {keeps the balance.} 8. Nxd4 (8. cxd4 Nf6 $11) 8... Nc6) ({Predecessor:} 7... Nf6 8. e5 dxe5 9. dxe5 Ng4 10. Bf4 Nc6 11. h3 Ngxe5 12. Ncxe5 Nxe5 13. Bb5+ Kf8 {1-0 (30) Karpatchev,A (2473)-Najart,D (2077) Plancoet 2015}) 8. Ng5 (8. d5 $16 Bg4 9. Be3) 8... cxd4 $1 $11 9. Nxe6 fxe6 10. cxd4 {[%cal Bc3d4,Bd4d5,Bd5e6][%mdl 32]} Nc6 (10... Nf6 $1 $11) 11. d5 $36 {[%mdl 2048] White fights for an advantage.} Ne5 {[#] This costs Black the game.} (11... exd5 $14 12. exd5 (12. Qxd5 Nf6 $15) 12... Nd4) 12. Nxe5 $18 dxe5 13. Bb5+ Kf8 14. dxe6 a6 15. Bd3 {Weighted Error Value: White=0.35/Black=0.53}) 3. c3 {[%emt 0:00:35]} d5 {[%emt 0:01:38]} 4. exd5 {[%emt 0:00:13]} Qxd5 {[%emt 0:00:11]} 5. d4 {[%emt 0:00:39]} Nf6 {[%emt 0:01:47]} 6. dxc5 {[%emt 0:01:30]} Qxd1+ {[%emt 0:02:16]} 7. Kxd1 {[%emt 0:00:08]} Bf5 {[%emt 0:00:57]} 8. Be3 {[%emt 0:05:07]} O-O-O+ {[%emt 0:04:45]} 9. Kc1 {[%emt 0:04:17]} Nd5 {[%emt 0:13:40]} 10. Nbd2 {[%emt 0:12:54]} e5 {[%emt 0:10:51]} 11. Nb3 {[%emt 0:07:58]} Nxe3 12. fxe3 {[%emt 0:00:06]} Be6 {[%emt 0:16:19]} 13. Nfd2 {[%emt 0:16:51]} Be7 {[%emt 0:06:25]} 14. Bc4 {[%emt 0:05:18]} Bxc4 {[%emt 0:01:58]} 15. Nxc4 {[%emt 0:00:31]} Rd7 {[%emt 0:04:27]} 16. Rf1 {[%emt 0:05:07]} f6 {[%emt 0:03:46]} 17. Kc2 {[%emt 0:02:43]} Rhd8 {[%emt 0:00:51]} 18. e4 {[%emt 0:00:47]} Kc7 {[%emt 0:00:48]} 19. Ne3 {[%emt 0:02:19]} Bf8 {[%emt 0:02:54]} 20. Rad1 {[%emt 0:05:21]} Nb8 {[%emt 0:06:58]} 21. Nd5+ {[%emt 0:03:42]} Kc8 {[%emt 0:01:59]} 22. g4 {[%emt 0:08:26]} h6 {[%emt 0:03:24]} 23. h4 {[%emt 0:01:19]} Na6 {[%emt 0:01:31]} 24. g5 {[%emt 0:00:20]} fxg5 {[%emt 0:00:30]} 25. hxg5 {[%emt 0:00:05]} hxg5 {[%emt 0:00:19]} 26. Rf5 {[%emt 0:01:16]} Re8 {[%emt 0:01:48]} 27. Rg1 {[%emt 0:03:33]} Nxc5 {[%emt 0:02:51]} 28. Rxf8 {[%emt 0:01:28]} Rxf8 {[%emt 0:01:26]} 29. Nxc5 {[%emt 0:00:07]} Rdf7 {[%emt 0:00:06]} 30. Rxg5 {[%emt 0:00:09]} Re8 {[%emt 0:00:30]} 31. Nd3 {[%emt 0:00:33]} b6 {[%emt 0:00:40]} 32. Nxe5 {[%emt 0:00:17]} Rf2+ {[%emt 0:00:27]} 33. Kb3 {[%emt 0:00:18]} Re2 {[%emt 0:00:22]} 34. Nc4 {[%emt 0:00:45]} Re6 {[%emt 0:00:30]} 35. Nf4 {[%emt 0:00:51]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.37"]
[White "Santiago Gonzalez, Frida"]
[Black "Dominguez Aguilar, Guillermo"]
[Result "0-1"]
[ECO "B30"]
[Annotator "NA RC"]
[PlyCount "60"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,46,47,40,35,48,52,34,39,31,34,27,37,31,46,26,41,0,0,-35,-29,-48,-36,-51,-37,-50,-48,-48,-39,-56,-47,-81,-75,-85,-76,-108,-95,-90,-108]} 1. Nf3 {[%emt 0:00:05]} (1. d4 Nf6 2. Nc3 d6 3. e4 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 {[%cal Rf4e5,Bg1f3,Bf3d4,Bd4b3][%mdl 32]} exd4 {B07: Pirc Defence: Miscellaneous Systems.} 7. Nxd4 g6 {7...Qb6 is more fashionable.} 8. Nb3 Qc7 {White is slightly better.} 9. O-O Bg7 10. Qe1 Nbd7 11. Qh4 {[%cal Oe4e5] And now e5! would win.} O-O 12. f5 b5 {[#]} 13. fxg6 $146 ({Predecessor:} 13. Bg5 $14 {should be considered.} Bb7 14. Nd2 b4 {½-½ (14) Sipos,I (2492)-Horvath,J (2494) Hungary 2018}) 13... hxg6 14. Bg5 {[%cal Rf1f6]} Nh7 15. Bh6 Qb6+ 16. Kh1 Qd8 (16... Ne5 {seems wilder.} 17. Qf4 Qd8 18. Bxg7 Kxg7 19. Nd1 Qg5) 17. Qxd8 Rxd8 18. Bxg7 Kxg7 19. Na5 Ne5 20. Ne2 Rb8 {Black is better.} 21. Nd4 Bd7 22. Rad1 c5 23. Nf3 Nf6 {Weighted Error Value: White=0.15 (very precise) /Black=0.02 (flawless)}) 1... c5 {[%emt 0:00:46]} 2. e4 {[%emt 0:00:14]} d6 {[%emt 0:00:25]} 3. g3 {[%emt 0:00:23]} Nf6 {[%emt 0:00:13]} 4. d3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:06]} 5. Bg2 {[%emt 0:00:14]} e6 {[%emt 0:00:45]} 6. O-O {[%emt 0:00:21]} Be7 {[%emt 0:00:07]} 7. Nbd2 {[%emt 0:00:21]} O-O {[%emt 0:00:11]} 8. Re1 {[%emt 0:00:50]} Rb8 {[%emt 0:01:43]} 9. Nf1 {[%emt 0:00:24]} b5 {[%emt 0:00:15]} 10. N3d2 {[%emt 0:00:59]} Bb7 {[%emt 0:00:52]} 11. f4 {[%emt 0:00:36]} d5 {[%emt 0:01:42]} 12. e5 {[%emt 0:01:09]} Ne8 {[%emt 0:00:11]} 13. Nf3 {[%emt 0:04:27]} Nc7 {[%emt 0:00:30]} 14. g4 {[%emt 0:00:45]} d4 {[%emt 0:00:30]} 15. Ng3 {[%emt 0:00:47]} c4 {[%emt 0:00:27]} 16. Bd2 {[%emt 0:05:02]} Nd5 {[%emt 0:00:10]} 17. Ne4 {[%emt 0:03:45]} Qc7 {[%emt 0:05:17]} 18. Qe2 {[%emt 0:01:01]} Ncb4 {[%emt 0:02:55]} 19. Nxd4 {[%emt 0:24:57]} cxd3 {[%emt 0:00:30]} 20. cxd3 {[%emt 0:02:12]} Qb6 {[%emt 0:02:02]} 21. Bc3 {[%emt 0:12:10]} Nxf4 {[%emt 0:00:23]} 22. Qd2 {[%emt 0:00:18]} Nbxd3 {[%emt 0:00:40]} 23. Rf1 {[%emt 0:04:09]} Nxg2 {[%emt 0:01:22]} 24. Nf6+ {[%emt 0:00:40]} gxf6 {[%emt 0:04:44]} 25. exf6 {[%emt 0:02:35]} Bxf6 {[%emt 0:00:06]} 26. Rxf6 {[%emt 0:02:47]} Ne5 {[%emt 0:00:16]} 27. Qg5+ {[%emt 0:03:44]} Ng6 {[%emt 0:00:29]} 28. Kf1 {[%emt 0:00:50]} b4 {[%emt 0:03:40]} 29. Nxe6 {[%emt 0:02:44]} fxe6 {[%emt 0:00:47]} 30. Ke2 {[%emt 0:01:42]} Ba6+ {[%emt 0:00:45]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.38"]
[White "Capo Vidal, Uriel"]
[Black "Hernandez Martinez, Jeronimo"]
[Result "1-0"]
[ECO "A52"]
[Annotator "NA RC"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:10:21]} (1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. e3 dxc4 5. Bxc4 c5 6. O-O Be7 7. Qe2 {is the legacy move (7.Nc3). D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines.} O-O 8. Rd1 Nc6 9. Nc3 {White is slightly better.} (9. dxc5 $5 {[%cal Rd1d8]} Qc7 10. a3 $14) 9... Qc7 (9... cxd4 $11 {keeps the balance.} 10. exd4 Na5) 10. Bd2 (10. dxc5 $16 Bxc5 11. a3) 10... a6 11. Rac1 b5 {[#]} 12. Bd3 $146 ({Predecessor:} 12. Bb3 Qb6 13. Be1 Bb7 14. d5 Na5 15. dxe6 Nxb3 16. exf7+ Rxf7 17. axb3 {0-1 (36) Fainstein,V-Hahlbohm,M Berlin 2001}) 12... c4 13. Bb1 Rd8 14. Be1 Qb6 15. Qc2 {Weighted Error Value: White=0.24 (precise) /Black=0.14 (very precise)}) 1... Nf6 {[%emt 0:00:21]} 2. c4 {[%emt 0:00:48]} e5 {[%emt 0:01:01]} 3. dxe5 {[%emt 0:02:01]} Ng4 {[%emt 0:00:48]} 4. Bf4 {[%emt 0:00:42]} Nc6 {[%emt 0:01:20]} 5. Nf3 {[%emt 0:00:10]} Bb4+ {[%emt 0:01:31]} 6. Nbd2 {[%emt 0:00:09]} Qe7 {[%emt 0:02:22]} 7. a3 {[%emt 0:00:32]} Ngxe5 {[%emt 0:01:04]} 8. Nxe5 {[%emt 0:00:20]} Nxe5 {[%emt 0:00:20]} 9. e3 {[%emt 0:00:21]} Bxd2+ {[%emt 0:01:25]} 10. Qxd2 {[%emt 0:00:02]} O-O {[%emt 0:02:42]} 11. c5 {[%emt 0:02:34]} d6 {[%emt 0:06:11]} 12. cxd6 {[%emt 0:03:32]} cxd6 {[%emt 0:01:44]} 13. Be2 {[%emt 0:00:14]} Bf5 {[%emt 0:00:48]} 14. O-O {[%emt 0:01:26]} Rac8 {[%emt 0:00:46]} 15. Rac1 {[%emt 0:00:43]} a6 {[%emt 0:01:07]} 16. h3 {[%emt 0:00:20]} Rxc1 {[%emt 0:03:32]} 17. Rxc1 {[%emt 0:00:07]} Rc8 {[%emt 0:00:58]} 18. Rxc8+ {[%emt 0:01:48]} Bxc8 {[%emt 0:00:04]} 19. Qc3 {[%emt 0:00:07]} Bf5 {[%emt 0:01:45]} 20. g4 {[%emt 0:04:13]} Be4 {[%emt 0:07:54]} 21. Qc8+ {[%emt 0:05:09]} Qf8 {[%emt 0:00:07]} 22. Qc7 {[%emt 0:00:12]} f6 {[%emt 0:03:55]} 23. Bxe5 {[%emt 0:04:43]} fxe5 {[%emt 0:01:30]} 24. Qc4+ {[%emt 0:00:16]} d5 {[%emt 0:00:54]} 25. Qc7 {[%emt 0:00:03]} h6 {[%emt 0:01:42]} 26. Qxe5 {[%emt 0:02:06]} Qc5 {[%emt 0:00:15]} 27. Qc3 {[%emt 0:00:28]} Qe7 {[%emt 0:04:00]} 28. f3 {[%emt 0:01:37]} Bg6 {[%emt 0:00:26]} 29. Kg2 {[%emt 0:00:43]} h5 {[%emt 0:02:41]} 30. Qd4 {[%emt 0:02:30]} hxg4 {[%emt 0:00:30]} 31. hxg4 {[%emt 0:00:13]} Bf7 {[%emt 0:02:43]} 32. Bd1 {[%emt 0:06:58]} Qc7 {[%emt 0:01:12]} 33. Bb3 {[%emt 0:00:23]} Kh7 {[%emt 0:02:18]} 34. g5 {[%emt 0:02:47]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.12"]
[Round "1.39"]
[White "Carreras Mendiolea, Paulina Adri"]
[Black "Sanchez Enriquez, Oscar Gerardo"]
[Result "*"]
[ECO "C02"]
[WhiteElo "1745"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,48,24,14,-43,-60,-61,-52,-61,-59,-55,-35,-52,-45,-41,-55,-64,-50,-35,-34,-36,-32,-42,-30,-102,-81,-79,-72,-66,-67,-208,-208,-208,-201,-202,-193,-186,-189]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. Bd3 cxd4 7. cxd4 Nf5 8. O-O {C02: French: Advance Variation.} (8. Bxf5 $11 exf5 9. Nc3) 8... Nfxd4 $15 9. Nxd4 Nxd4 10. Be3 {Black is slightly better.} Nc6 {[%cal Bd4c6,Bc6b4,Bb4a6][%mdl 32]} 11. f4 Be7 {[#]} 12. Qg4 $146 ({Predecessor:} 12. Nd2 g6 13. Rc1 h5 14. a3 Kf8 15. Nf3 Kg7 16. Nd4 Bd7 17. Nxc6 bxc6 18. Rc5 Bxc5 19. Bxc5 {0-1 (34) Mittag,J-Ellers,H (2355) Germany 1996}) 12... g6 13. Nd2 Nb4 14. Bb1 Bd7 15. a3 Na6 16. b4 {Prevents Bc5.} Nc7 17. Nb3 b6 18. Nd4 (18. Qe2 $11 {keeps the balance.}) 18... Nb5 19. Bd3 Nxd4 20. Bxd4 a5 21. bxa5 {Loses the game.} (21. Qh3 $15) 21... Bc5 $19 {Black is clearly better.} 22. Bf2 Rxa5 23. h4 h5 24. Qg3 Bb5 {Weighted Error Value: White=0.21 (precise) /Black=0.04 (flawless)} ({And not} 24... Rxa3 25. Rxa3 Bxa3 26. Bxg6 $11) *

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.39"]
[White "Carreras Mendiolea, Paulina Adriana"]
[Black "Sanchez Enriquez, Oscar Gerardo"]
[Result "0-1"]
[ECO "C02"]
[Annotator "NA RC"]
[PlyCount "74"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,48,-13,-10,-24,-18,-27,-22,-74,-70,-59,-54,-81,-87,-87,-87,-85,-84,-97,-95,-84,-87,-111,-106,-114,-93,-138,-117,-145,-132,-142,-128,-135,-135]} 1. e4 {[%emt 0:00:05]} e6 {[%emt 0:03:05]} (1... c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 d5 7. exd6 Qxd6 8. d4 cxd4 9. cxd4 Be6 10. Bxe6 {B22: Sicilian: 2 c3.} Qxe6+ 11. Be3 Qc4 {[#]} 12. Na3 $146 (12. Nbd2 $11 {remains equal.} Qd5 13. O-O) ({Predecessor:} 12. Nc3 e6 13. a3 Be7 14. Rc1 O-O 15. Ne2 Qb5 16. b4 Nc4 17. Nc3 Qf5 18. Qb3 b5 19. d5 N6e5 20. Nd4 Nd3+ 21. Kf1 Nxe3+ {0-1 (21) Jacek,M (2232)-Micanek,T (2072) Czech Republic 2018}) 12... Qb4+ $17 13. Qd2 e6 14. O-O Qxd2 15. Nxd2 Bxa3 16. bxa3 Nd5 17. Rab1 b6 18. Rfc1 Kd7 19. Nf3 f6 20. h4 h5 21. Ne1 (21. Bd2 $142) 21... Nce7 {Pair of Knights!} 22. Nf3 Rac8 23. Bd2 Nf5 24. a4 a5 {White got outplayed after the opening.  Weighted Error Value: White=0.16 (very precise) /Black=0.04 (flawless)}) 2. d4 {[%emt 0:00:33]} d5 {[%emt 0:00:09]} 3. e5 {[%emt 0:00:15]} c5 {[%emt 0:00:13]} 4. c3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:08]} 5. Nf3 {[%emt 0:00:08]} Nge7 {[%emt 0:01:55]} 6. Bd3 {[%emt 0:01:21]} cxd4 {[%emt 0:00:39]} 7. cxd4 {[%emt 0:00:24]} Nf5 {[%emt 0:00:09]} 8. O-O {[%emt 0:15:43]} Nfxd4 {[%emt 0:01:04]} 9. Nxd4 {[%emt 0:00:11]} Nxd4 {[%emt 0:00:05]} 10. Be3 {[%emt 0:04:03]} Nc6 {[%emt 1:28:03]} 11. f4 {[%emt 0:00:57]} Be7 {[%emt 0:00:00]} 12. Qg4 {[%emt 0:01:42]} g6 {[%emt 0:00:00]} 13. Nd2 {[%emt 0:05:25]} Nb4 {[%emt 0:00:00]} 14. Bb1 {[%emt 0:02:42]} Bd7 {[%emt 0:00:00]} 15. a3 {[%emt 0:00:23]} Na6 {[%emt 0:00:00]} 16. b4 {[%emt 0:00:48]} Nc7 {[%emt 0:00:00]} 17. Nb3 {[%emt 0:03:57]} b6 {[%emt 0:00:00]} 18. Nd4 {[%emt 0:03:35]} Nb5 {[%emt 0:00:00]} 19. Bd3 {[%emt 0:00:10]} Nxd4 {[%emt 0:00:00]} 20. Bxd4 {[%emt 0:00:09]} a5 {[%emt 0:00:00]} 21. bxa5 {[%emt 0:15:05]} Bc5 {[%emt 0:00:00]} 22. Bf2 {[%emt 0:08:09]} Rxa5 {[%emt 0:00:00]} 23. h4 {[%emt 0:02:14]} h5 {[%emt 0:00:00]} 24. Qg3 {[%emt 0:00:23]} Bb5 {[%emt 0:00:00]} 25. Bxb5+ {[%emt 0:05:40]} Rxb5 {[%emt 0:00:00]} 26. Rab1 {[%emt 0:01:40]} Rxb1 {[%emt 0:00:00]} 27. Rxb1 {[%emt 0:00:14]} O-O {[%emt 0:00:00]} 28. f5 {[%emt 0:08:42]} exf5 {[%emt 0:00:00]} 29. e6 {[%emt 0:00:06]} Qf6 {[%emt 0:00:00]} 30. exf7+ {[%emt 0:00:55]} Rxf7 {[%emt 0:00:00]} 31. Bxc5 {[%emt 0:01:18]} bxc5 {[%emt 0:00:00]} 32. Qb8+ {[%emt 0:00:13]} Kg7 {[%emt 0:00:00]} 33. Rb6 {[%emt 0:00:14]} Qd4+ {[%emt 0:00:00]} 34. Kf1 {[%emt 0:01:44]} f4 {[%emt 0:00:00]} 35. Qd6 {[%emt 0:00:44]} Qe4 {[%emt 0:00:00]} 36. Qxc5 {[%emt 0:01:20]} f3 {[%emt 0:00:00]} 37. Qc3+ {[%emt 0:03:06]} d4 {[%emt 0:00:00]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.40"]
[White "Herrera Ortiz, Miguel"]
[Black "Sosa Pacheco, Luis"]
[Result "1-0"]
[ECO "B01"]
[Annotator "NA RC"]
[PlyCount "41"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,41,47,43,33,47,33,31,30,54,48,34,42,43,29,62,31,109,108,98,72,70,78,157,154,150,171]} 1. e4 {[%emt 0:02:22]} d5 {[%emt 0:03:05]} (1... e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd6 6. d4 Bg4 7. dxe5 Bxf3 8. Qxf3 Bxe5 9. Nd2 Qf6 10. Nc4 {C68: Ruy Lopez: Exchange Variation, sidelines.} Qxf3 $1 11. gxf3 Bd4 12. c3 {White is slightly better.} Ba7 13. Rd1 Ne7 14. Bf4 {[#]} Rc8 $146 ({Predecessor:} 14... b5 15. Ne5 f6 16. Ng4 Bb6 17. Rd3 Ng6 18. Bg3 h5 19. Nxf6+ gxf6 20. h4 Ke7 {0-1 (46) Gatta,F-Mazziotto,N Italy 1997}) 15. a4 h5 {[%cal Og7g5]} 16. h4 Bb8 (16... Ng6 $14 17. Bg3 O-O) 17. Rd2 $16 {White is much more active. Black has bad knights.} Rd8 18. Rad1 {[%csl Gd1][%cal Rd2d8]} Rxd2 19. Rxd2 b6 {[#]} ({Better is} 19... c5) 20. Nxb6 $1 {[%mdl 512]} Ng6 21. Nd7 {Weighted Error Value: White=0.08 (flawless) /Black=0.18 (very precise)}) 2. exd5 {[%emt 0:00:23]} Qxd5 {[%emt 0:00:13]} 3. Nc3 {[%emt 0:00:24]} Qa5 {[%emt 0:00:09]} 4. d4 {[%emt 0:00:17]} Nf6 {[%emt 0:01:13]} 5. Bc4 {[%emt 0:00:59]} c6 {[%emt 0:02:12]} 6. Bd2 {[%emt 0:00:45]} Qb6 {[%emt 0:02:10]} 7. Nf3 {[%emt 0:03:31]} Qxb2 {[%emt 0:03:23]} 8. Ne5 {[%emt 0:06:53]} e6 {[%emt 0:01:25]} 9. Rb1 {[%emt 0:01:24]} Qa3 {[%emt 0:00:39]} 10. Rb3 {[%emt 0:02:23]} Qd6 {[%emt 0:05:54]} 11. Bf4 {[%emt 0:03:07]} Qc7 {[%emt 0:00:49]} 12. Ng6 {[%emt 0:01:07]} Bd6 {[%emt 0:25:08]} 13. Bxd6 {[%emt 0:00:50]} Qxd6 {[%emt 0:00:06]} 14. Nxh8 {[%emt 0:00:16]} Qf8 {[%emt 0:00:57]} 15. Nxf7 {[%emt 0:02:01]} Kxf7 {[%emt 0:13:58]} 16. O-O {[%emt 0:00:54]} b5 {[%emt 0:03:18]} 17. Bxb5 {[%emt 0:02:15]} cxb5 {[%emt 0:01:38]} 18. Qf3 {[%emt 0:00:43]} Ba6 {[%emt 0:09:52]} 19. Qxa8 {[%emt 0:01:50]} b4 {[%emt 0:00:31]} 20. Rfb1 {[%emt 0:00:54]} bxc3 {[%emt 0:13:30]} 21. Qxb8 {[%emt 0:01:45]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.41"]
[White "Angeles Dorantes, Leon Felipe"]
[Black "Sandoval Mercado, Carlos"]
[Result "0-1"]
[ECO "A59"]
[Annotator "NA RC"]
[PlyCount "75"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,54,16,20,22,8,31,26,27,0,0,0,0,0,0,1,5,0,2,0,2,5,8,12,-9,-41,-47,-65,-42,-107,-106,-106,-106,-105,-95,-104,-114,-150,-144,-138,-127,-140,-132,-146,-131,-144,-96]} 1. d4 {[%emt 0:00:08]} (1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd7 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} 7. O-O {[%mdl 1024] White has compensation.} Nc6 8. Nb3 {[%cal Rb3d4]} a6 {White has an edge.} 9. Qe2 Nf6 (9... b5 $5 10. Bd3 Bb7 $11) 10. Rd1 {[%cal Rb3d4]} b5 11. Bd3 Qc7 12. Nbxd4 Nxd4 13. Nxd4 {[#]} Bd6 $146 {[%cal Bf8d6,Bd6h2,Bh2e5,Be5f6][%mdl 32]} ({Predecessor:} 13... Bc5 14. c3 Bb7 15. Bg5 Bxd4 16. cxd4 Nd5 17. Rac1 Qd6 18. Qg4 h6 19. Bd2 Ke7 {1-0 (38) Antoli Royo,J (2428)-Lopez Mulet,I (2193) Mislata 2014}) 14. h3 Bb7 15. Bg5 Bh2+ 16. Kh1 {[%cal Od4e6] [#] Strongly threatening Nxe6!} Be5 $1 17. Bxf6 Bxf6 18. Be4 O-O 19. Qf3 (19. Bxb7 $15 Qxb7 20. c3) 19... Bxe4 $17 20. Qxe4 Rad8 21. c3 Qc4 22. Qe3 b4 23. a3 bxc3 24. bxc3 Rd5 25. Rab1 Qa4 {[#] ...e5 is the strong threat. Black is clearly better.} 26. Qc1 Rc8 ({Not} 26... Bxd4 27. cxd4 Rxd4 28. Rxd4 Qxd4 29. Qe3 $17) 27. Qb2 e5 {Weighted Error Value: White=0.10 (very precise) /Black=0.03 (flawless)} (27... h6 $142 28. f4 Qd7)) 1... Nf6 {[%emt 0:00:07]} 2. c4 {[%emt 0:00:13]} c5 {[%emt 0:00:35]} 3. d5 {[%emt 0:00:26]} b5 {[%emt 0:00:36]} 4. cxb5 {[%emt 0:00:35]} a6 {[%emt 0:00:03]} 5. bxa6 {[%emt 0:00:33]} Bxa6 {[%emt 0:00:03]} 6. Nc3 {[%emt 0:00:32]} g6 {[%emt 0:00:03]} 7. e4 {[%emt 0:00:40]} Bxf1 {[%emt 0:00:04]} 8. Kxf1 {[%emt 0:00:10]} d6 {[%emt 0:00:02]} 9. Nf3 {[%emt 0:00:49]} Bg7 {[%emt 0:00:02]} 10. g3 {[%emt 0:00:29]} O-O {[%emt 0:00:03]} 11. Kg2 {[%emt 0:00:10]} Nbd7 {[%emt 0:00:27]} 12. a4 {[%emt 0:01:03]} Qb6 {[%emt 0:02:14]} 13. Ra3 {[%emt 0:02:17]} Rfb8 {[%emt 0:07:29]} 14. Nd2 {[%emt 0:03:35]} Qb4 {[%emt 0:05:01]} 15. Qe2 {[%emt 0:08:51]} Ne8 {[%emt 0:08:42]} 16. Nb5 {[%emt 0:04:55]} Rxa4 {[%emt 0:03:52]} 17. Rb3 {[%emt 0:17:30]} Qa5 {[%emt 0:00:06]} 18. Nc3 {[%emt 0:02:42]} Rab4 {[%emt 0:00:04]} 19. Ra3 {[%emt 0:05:24]} Qd8 {[%emt 0:01:29]} 20. h4 {[%emt 0:04:58]} h5 {[%emt 0:08:24]} 21. Nc4 {[%emt 0:05:43]} Ne5 {[%emt 0:00:45]} 22. Ne3 {[%emt 0:08:15]} Nc7 {[%emt 0:03:44]} 23. f4 {[%emt 0:03:52]} Nd7 {[%emt 0:00:03]} 24. Nc4 {[%emt 0:01:33]} Nb5 {[%emt 0:01:15]} 25. Nxb5 {[%emt 0:02:17]} R4xb5 {[%emt 0:00:05]} 26. Rd1 {[%emt 0:06:01]} Nf6 {[%emt 0:01:09]} 27. e5 {[%emt 0:06:48]} Ng4 {[%emt 0:01:23]} 28. Ra6 {[%emt 0:05:37]} Qd7 {[%emt 0:19:20]} 29. exd6 {[%emt 0:01:48]} exd6 {[%emt 0:00:01]} 30. Rxd6 {[%emt 0:04:35]} Qf5 {[%emt 0:00:02]} 31. Qd3 {[%emt 0:01:52]} Qc8 {[%emt 0:08:59]} 32. Rc6 {[%emt 0:00:13]} Qd7 {[%emt 0:00:01]} 33. Rd6 {[%emt 0:01:12]} Qc8 {[%emt 0:30:47]} 34. Re1 {[%emt 0:01:44]} Rb3 {[%emt 0:00:30]} 35. Qe4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 36. Qd3 {[%emt 0:00:30]} Ng4 {[%emt 0:00:30]} 37. Rd1 {[%emt 0:00:30]} R3b5 {[%emt 0:00:30]} 38. Nd2 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.42"]
[White "Medina Diaz, Rafael Alejandro"]
[Black "Garcia Lopez, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2287"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,29,14,20,8,7,0,19,0,0,0,0,0,6,14,29,0,41,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. O-O d6 6. c3 O-O 7. Nbd2 Bb6 {7...Ne7 is becoming the main line.} 8. h3 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Ne7 {[%cal Bc6e7,Be7g6,Bg6f4][%mdl 32]} 9. Re1 Ng6 10. Ba4 {[#] The position is equal.} Nf4 $146 ({Predecessor:} 10... c6 11. d4 exd4 12. cxd4 d5 13. e5 Nh5 14. Bc2 Nhf4 15. Nf1 f6 16. Ng3 fxe5 17. Nxe5 {½-½ (33) Hou,Y (2659)-Santos Ruiz,M (2583) Salamanca 2019}) 11. Nc4 N6h5 12. d4 exd4 13. cxd4 Qf6 $1 {[#] aiming for ...Qg6.} 14. Ne3 ({Reject} 14. Nxb6 axb6 15. h4 (15. Bxf4 Nxf4 16. h4 Bg4 $17) 15... Bg4 $15) 14... Ba5 (14... Qg6 $11) 15. Ng4 {An even fight not without its subleties.  Weighted Error Value: White=0.06 (flawless) /Black=0.08 (flawless)} (15. Rf1 $1 $14) 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.42"]
[White "Medina Diaz, Rafael Alejandro"]
[Black "Lopez Garcia, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "C65"]
[Annotator "NA RC"]
[PlyCount "29"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,35,41,36,77,84,75,84,86,78,75,73,118,72,84,89,83,79,109,104,81,104,90,79]} 1. e4 {[%emt 0:08:16]} e5 {[%emt 0:00:09]} (1... c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O Qb6 {8...a6 is the modern continuation. B63: Sicilian: Richter-Rauzer: 7...Be7 and unusual Black 7th moves.} (8... O-O $14) 9. Bxf6 $16 {White is better.} Bxf6 10. Nxc6 bxc6 11. Na4 ({Much worse is} 11. Qxd6 $6 Rb8 12. Na4 Bxb2+ 13. Kb1 (13. Nxb2 Qxb2+ 14. Kd2 Qb6 $11) 13... Ba3+ 14. Nxb6 Rxb6+ 15. Ka1 Bb2+ 16. Kb1 Be5+ 17. Kc1 Bxd6 18. Rxd6 Ke7 $11) 11... Qb7 12. Qxd6 Rb8 ({Black should try} 12... Be7 13. Qg3 O-O) 13. e5 {[#]} ({White should play} 13. Rd3 {Black must now prevent Rb3.} Qa8 14. h4) 13... Bg5+ $146 ({Predecessor:} 13... Be7 14. Ba6 Qa8 15. Qd3 O-O 16. Bxc8 Rfxc8 17. Rhe1 Qb7 18. Qc4 c5 19. f3 Qc7 {1-0 (163) Mekhitarian,K (2511)-Diamant,A (2412) Porto Alegre 2008}) 14. Kb1 {[%cal Of1a6] And now Ba6! would win.} Be7 {[#]} 15. Ba6 $1 {White is much more active.} Qxb2+ (15... Bxd6 16. Bxb7) 16. Nxb2 {Chess con chili.} Bxd6 17. Rxd6 ({Not} 17. Bxc8 Bxe5 18. c3 (18. Bd7+ $2 Ke7 $19) 18... Bxc3 $17) 17... Bxa6 18. f3 {Weighted Error Value: White=0.07 (flawless) /Black=0.17 (very precise)}) 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:04]} 3. Bb5 {[%emt 0:00:04]} Nf6 {[%emt 0:00:58]} 4. d3 {[%emt 0:00:26]} Bc5 {[%emt 0:02:25]} 5. O-O {[%emt 0:00:23]} d6 {[%emt 0:04:08]} 6. c3 {[%emt 0:00:12]} O-O {[%emt 0:02:50]} 7. Nbd2 {[%emt 0:00:21]} Bb6 {[%emt 0:02:57]} 8. h3 {[%emt 0:01:02]} Ne7 {[%emt 0:02:46]} 9. Re1 {[%emt 0:01:05]} Ng6 {[%emt 0:03:55]} 10. Ba4 {[%emt 0:02:43]} Nf4 {[%emt 0:04:18]} 11. Nc4 {[%emt 0:01:01]} N6h5 {[%emt 0:03:04]} 12. d4 {[%emt 0:03:28]} exd4 {[%emt 0:04:01]} 13. cxd4 {[%emt 0:01:55]} Qf6 {[%emt 0:01:13]} 14. Ne3 {[%emt 0:09:03]} Ba5 {[%emt 0:04:49]} 15. Ng4 {[%emt 0:09:55]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.43"]
[White "Ruiz Ortiz, Gabriel Abraham"]
[Black "Estrada Nieto, Julian"]
[Result "0-1"]
[ECO "C50"]
[Annotator "NA RC"]
[PlyCount "84"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:05]} (1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Qc2 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Be7 8. O-O O-O 9. e3 Nbd7 10. Qe2 {10.Qe2 scores better than 10.Rd1.} Rc8 11. Nc3 Ne4 12. Nd2 {D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines.} (12. Ne1 $14 Nxc3 13. bxc3) 12... Nxc3 (12... Nxd2 $1 $11 13. Bxd2 e5) 13. bxc3 $14 {[#]} Bg6 $146 (13... c5 {looks sharper.} 14. Bxb7 cxd4 15. Bxc8 d3 16. Qf3 Qxc8 17. Rb1 Qxc3 18. Rb3 Qa5) ({Predecessor:} 13... Qa5 14. c4 Bg6 15. Nb3 Qa6 16. Bb2 Nb6 17. Rfc1 Na4 18. Rd1 Rfd8 19. Bf1 b6 {0-1 (32) Pakh,A (1868)-Liang,J (2326) Dulles 2021}) 14. Nb3 {Inhibits Qa5.} (14. a4 $14) 14... Qb6 15. e4 c5 16. Be3 cxd4 (16... Qc6 $5 {[%cal Rg6e4]}) 17. cxd4 Qb4 18. Rab1 {[%cal Ob3c5] [#] Threatens to win with Nc5!} (18. f4 $5 {[%cal Rf4f5]} Nf6 19. Bd2 $16) 18... Qa4 {The position is equal.} 19. Rfc1 Ba3 20. Rc2 Nf6 21. f3 {Weighted Error Value: White=0.22 (precise) /Black=0.18 (very precise)} (21. Nc5 $11 {was preferrable.} Bxc5 22. Rc4)) 1... e5 {[%emt 0:02:03]} 2. Nf3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:04]} 3. Bc4 {[%emt 0:00:25]} Bc5 {[%emt 0:00:15]} 4. O-O {[%emt 0:00:37]} d6 {[%emt 0:01:16]} 5. d3 {[%emt 0:02:02]} Nf6 {[%emt 0:00:23]} 6. h3 {[%emt 0:00:48]} a6 {[%emt 0:01:23]} 7. Be3 {[%emt 0:02:03]} O-O {[%emt 0:03:35]} 8. Re1 {[%emt 0:01:57]} Bxe3 {[%emt 0:01:42]} 9. fxe3 {[%emt 0:00:33]} Na5 {[%emt 1:24:19]} 10. Bb3 {[%emt 0:02:48]} Re8 {[%emt 0:00:00]} 11. Nc3 {[%emt 0:02:03]} b5 {[%emt 0:00:00]} 12. d4 {[%emt 0:07:49]} Nxb3 {[%emt 0:00:00]} 13. axb3 {[%emt 1:15:37]} Bb7 {[%emt 0:00:00]} 14. d5 {[%emt 0:00:00]} b4 {[%emt 0:00:00]} 15. Na2 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 16. c3 {[%emt 0:00:00]} Nxe4 {[%emt 0:00:00]} 17. cxb4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 18. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 19. dxc6 {[%emt 0:00:00]} Bxc6 {[%emt 0:00:00]} 20. bxa5 {[%emt 0:00:00]} Rxa5 {[%emt 0:00:00]} 21. Nd2 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 22. Qc2 {[%emt 0:00:00]} Qb6+ {[%emt 0:00:00]} 23. Kh2 {[%emt 0:00:00]} Rea8 {[%emt 0:00:00]} 24. Rac1 {[%emt 0:00:00]} Rxa2 {[%emt 0:00:00]} 25. Qxc6 {[%emt 0:00:00]} Qxc6 {[%emt 0:00:00]} 26. Rxc6 {[%emt 0:00:00]} Rxb2 {[%emt 0:00:00]} 27. Nf3 {[%emt 0:00:00]} dxe4 {[%emt 0:00:00]} 28. Nxe5 {[%emt 0:00:00]} h5 {[%emt 0:00:00]} 29. Kg3 {[%emt 0:00:00]} Rxb3+ {[%emt 0:00:00]} 30. Kf4 {[%emt 0:00:00]} e3 {[%emt 0:00:00]} 31. Re2 {[%emt 0:00:00]} h4 {[%emt 0:00:00]} 32. Kf3 {[%emt 0:00:00]} Ra1 {[%emt 0:01:15]} 33. Rxe3 {[%emt 0:00:00]} Rxe3+ {[%emt 0:00:28]} 34. Kxe3 {[%emt 0:00:00]} Re1+ {[%emt 0:00:07]} 35. Kf4 {[%emt 0:01:12]} Nd5+ {[%emt 0:00:06]} 36. Kg4 {[%emt 0:00:36]} Rxe5 {[%emt 0:00:15]} 37. Kxh4 {[%emt 0:00:08]} Re3 {[%emt 0:01:21]} 38. g3 {[%emt 0:01:24]} Ne7 {[%emt 0:00:21]} 39. Rc5 {[%emt 0:00:18]} g6 {[%emt 0:00:27]} 40. Kg4 {[%emt 0:01:32]} Kg7 {[%emt 0:00:23]} 41. Kf4 {[%emt 0:00:12]} Ra3 {[%emt 0:01:01]} 42. g4 {[%emt 0:00:42]} Rxh3 {[%emt 0:00:15]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.12"]
[Round "1.44"]
[White "Flores Guerrero, Jesus Aldair"]
[Black "Serrato, Rafael Antonio"]
[Result "*"]
[ECO "A03"]
[WhiteElo "2251"]
[BlackElo "1707"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,41,1,7,3,14,14,8,0,13,6,8,7,17,9,11,6,36,27,30,26,31,-16,16,11,34,8,37,11,181,181,202,194,178,173]} 1. f4 Nf6 2. Nf3 d5 3. e3 c5 4. b3 Nc6 5. Bb5 Bd7 6. Bb2 {A03: Bird's Opening with 1...d5.} a6 7. Bxc6 Bxc6 8. O-O {The position is equal.} b6 9. Qe2 e6 10. d3 {[%cal Of4f5]} Be7 {[#]} 11. Ne5 $146 ({Predecessor:} 11. Nbd2 O-O 12. Ne5 Bb7 13. Rf3 d4 14. e4 Nd7 15. Rh3 Nxe5 16. fxe5 Bg5 17. Nc4 {1-0 (34) Lagarde,M (2588)-Stojanovic,V (1709) Marseille 2016}) 11... Bb7 12. Nd2 Qd6 13. Rad1 O-O 14. Rf3 d4 15. e4 (15. Rh3 $14) 15... b5 (15... Nh5 $5 {[%cal Rh5f4]}) 16. Rh3 Qc7 17. Ndf3 b4 18. Bc1 Bd6 $2 (18... a5 $11 {and Black is okay.}) 19. Qf2 {And now Qh4 would win. White is clearly better.} h6 20. Qh4 {[%cal Of4f5] Strongly threatening f5!} Nh7 {[#]} 21. Qg3 $1 {Weighted Error Value: White=0.08 (flawless) /Black=0.31} *

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.44"]
[White "Flores Guerrero, Jesus Aldair"]
[Black "Serrato Diaz, Rafael Antonio"]
[Result "1-0"]
[ECO "A03"]
[Annotator "NA RC"]
[PlyCount "69"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. f4 {[%emt 0:03:36]} (1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. c4 dxc4 6. Bxc4 O-O 7. Nf3 {D00: 1 d4 d5: Unusual lines.} Bg4 8. Nc3 c6 9. h3 {White is slightly better.} Be6 10. Bxe6 fxe6 11. Qb3 {[%csl LRb7,LRe6]} Qe7 {[#]} 12. O-O $146 ({Predecessor:} 12. e4 Kh8 13. O-O-O b5 14. e5 fxe5 15. dxe5 Bxe5 16. Nxe5 Qg5+ 17. Kb1 Qxe5 18. Rhe1 {1-0 (29) Zimber,A-Winkler,A Wuerttemberg 1991}) 12... a5 13. a3 {White is more active.} Kh8 14. e4 Na6 15. Rfe1 ({Better is} 15. e5 $14 fxe5 16. dxe5 (16. Nxe5 c5 $11)) 15... e5 $11 16. d5 {Weighted Error Value: White=0.10 (very precise) /Black=0.11 (very precise)}) 1... Nf6 {[%emt 0:01:10]} 2. Nf3 {[%emt 0:00:11]} d5 {[%emt 0:00:18]} 3. e3 {[%emt 0:00:14]} c5 {[%emt 0:01:25]} 4. b3 {[%emt 0:00:10]} Nc6 {[%emt 0:02:21]} 5. Bb5 {[%emt 0:00:31]} Bd7 {[%emt 0:01:05]} 6. Bb2 {[%emt 0:00:13]} a6 {[%emt 0:00:57]} 7. Bxc6 {[%emt 0:00:08]} Bxc6 {[%emt 0:00:15]} 8. O-O {[%emt 0:00:28]} b6 {[%emt 0:01:24]} 9. Qe2 {[%emt 0:00:07]} e6 {[%emt 0:00:36]} 10. d3 {[%emt 0:01:24]} Be7 {[%emt 0:06:43]} 11. Ne5 {[%emt 0:00:32]} Bb7 {[%emt 0:03:31]} 12. Nd2 {[%emt 0:00:05]} Qd6 {[%emt 0:13:33]} 13. Rad1 {[%emt 0:01:51]} O-O {[%emt 0:13:48]} 14. Rf3 {[%emt 0:00:06]} d4 {[%emt 0:10:47]} 15. e4 {[%emt 0:00:48]} b5 {[%emt 0:00:31]} 16. Rh3 {[%emt 0:00:13]} Qc7 {[%emt 0:04:12]} 17. Ndf3 {[%emt 0:04:48]} b4 {[%emt 0:08:52]} 18. Bc1 {[%emt 0:01:22]} Bd6 {[%emt 0:01:03]} 19. Qf2 {[%emt 0:00:08]} h6 {[%emt 0:15:29]} 20. Qh4 {[%emt 0:06:27]} Nh7 {[%emt 0:01:48]} 21. Qg3 {[%emt 0:02:47]} f6 {[%emt 0:02:49]} 22. Ng6 {[%emt 0:01:21]} Kf7 {[%emt 0:00:25]} 23. e5 {[%emt 0:01:34]} Be7 {[%emt 0:01:35]} 24. Nxf8 {[%emt 0:00:32]} Nxf8 {[%emt 0:00:18]} 25. Qg4 {[%emt 0:03:52]} f5 {[%emt 0:03:22]} 26. Qh5+ {[%emt 0:00:30]} Kg8 {[%emt 0:00:01]} 27. g4 {[%emt 0:01:46]} fxg4 {[%emt 0:03:12]} 28. Qxg4 {[%emt 0:00:10]} Rd8 {[%emt 0:00:33]} 29. Kf2 {[%emt 0:00:29]} Nh7 {[%emt 0:00:23]} 30. Rg1 {[%emt 0:01:19]} Bf8 {[%emt 0:00:01]} 31. Rxh6 {[%emt 0:00:57]} Qf7 {[%emt 0:02:41]} 32. Qh3 {[%emt 0:00:28]} Bxf3 {[%emt 0:00:33]} 33. Rxh7 {[%emt 0:00:28]} Qf5 {[%emt 0:00:44]} 34. Rh8+ {[%emt 0:00:08]} Kf7 {[%emt 0:00:02]} 35. Qxf3 {[%emt 0:01:09]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.45"]
[White "Velazquez Rivera, Pedro J."]
[Black "Martin Del Campo Cardenas, Roberto Abel"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "2250"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,0,15,6,19,-2,12,8,6,-4,23,0,6,-12,-4,-94,-35,-147,-62,-78,-15,-25,-14,-36,-33,-48,-36,-35,-16,-27,-19,-33,-25,-18,-20,-42,-39,-43,-37,-58,-52,-53,-52,-43,-51,-46,0,0,0,-34,-36,-199,-182,-5377,-3638,-3634,-3269]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 Ne7 6. O-O {B23: Closed Sicilian: Lines without g3.} Nec6 7. a3 a6 {[#]} 8. Nxd4 $146 {The position is equal.} ({Predecessor:} 8. d3 g6 9. Bf4 d6 10. Qd2 b5 11. Ba2 Bg7 12. Bg5 Qc7 13. Nxd4 Nxd4 14. Bh6 {1-0 (23) Sadilek,M (2245)-Macko,M (2294) Austria 2018}) 8... Nxd4 9. a4 b6 10. d3 Bb7 11. Re1 Be7 12. e5 {[#]} (12. Ba2 $11) 12... O-O (12... Qc7 $1 $17) 13. Be3 (13. Ne4 $15) 13... Nf5 (13... Qc7 $17 14. Bf4 b5 15. axb5 axb5 16. Rxa8 Rxa8) 14. Ne4 d5 (14... f6 $17 15. exf6 Bxf6) 15. exd6 $1 $11 Nxd6 16. Nxd6 Qxd6 17. Qg4 Bf6 18. Bf4 Qd4 {[#] aiming for ...e5.} 19. c3 Qd7 20. Qg3 ({Don't go for} 20. Rxe6 $2 Rae8 21. Bd6 Rxe6 $19) 20... b5 21. Bb3 {[%cal Bc4b3,Bb3c2,Bc2h7][%mdl 32]} Rfd8 22. axb5 axb5 {[%cal Ba6b5,Bb5b4][%mdl 32]} ({Of course not} 22... Qxb5 23. Bc4 Qc6 24. Ra5 $11) 23. Rad1 Qc6 24. Bc2 b4 25. Be5 Bxe5 26. Rxe5 Ra2 27. d4 $1 {[%cal Oc2h7]} cxd4 (27... Qd6 $1 $15 {might be stronger.} 28. Rxc5 Qxg3 29. hxg3 Rxb2 30. cxb4 Rxb4) 28. Bxh7+ $1 Kf8 29. Rg5 Qa4 $40 {[%cal Ra4d1][%mdl 128] Black is up to no good.} (29... bxc3 $2 30. Rxg7 Qxg2+ 31. Qxg2 $18) 30. Re1 ({White should play} 30. Rf1 $15 Ra1 31. Bb1 (31. Qc7 $2 {gets mated.} Rxf1+ 32. Kxf1 Qd1#)) 30... Ra1 $19 {[%cal Ra1e1]} 31. Qe5 (31. Bb1 g6 32. Qc7) 31... Rxe1+ 32. Qxe1 dxc3 {Weighted Error Value: White=0.54/Black=0.16 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.46"]
[White "Frey Beckman, Kenneth"]
[Black "Ibarra Mayorga, Ximena"]
[Result "1-0"]
[ECO "E92"]
[Annotator "NA RC"]
[PlyCount "87"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:07]} (1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. e3 e6 5. d4 d5 {[#]} 6. dxc5 $146 {[%cal Ob2b4] A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3.} ({Predecessor:} 6. b3 Nf6 7. Bd2 Bd7 8. Be2 b6 9. O-O Bg7 10. Rb1 Nh5 11. cxd5 exd5 12. Nxd5 Bf5 {½-½ (41) Quaegwer,G (1481)-Thullen,A (791) Worms 2013}) 6... dxc4 (6... Nf6 $142) 7. Qxd8+ $16 ({But not} 7. Bxc4 $6 Qxd1+ 8. Nxd1 Bxc5 $14) 7... Kxd8 8. Bxc4 {Hoping for 0-0.} Bxc5 9. b3 Nf6 10. Bb2 {[%cal Oc3e4]} Bb4 {Weighted Error Value: White=0.14 (very precise) /Black=0.13 (very precise)}) 1... Nf6 {[%emt 0:02:26]} 2. c4 {[%emt 0:00:12]} g6 {[%emt 0:00:57]} 3. Nc3 {[%emt 0:00:09]} Bg7 {[%emt 0:00:09]} 4. e4 {[%emt 0:00:18]} d6 {[%emt 0:00:30]} 5. d4 {[%emt 0:00:13]} O-O {[%emt 0:00:40]} 6. Be2 {[%emt 0:00:11]} e5 {[%emt 0:02:00]} 7. Be3 {[%emt 0:00:13]} Ng4 {[%emt 0:00:20]} 8. Bg5 {[%emt 0:00:12]} f6 {[%emt 0:00:34]} 9. Bh4 {[%emt 0:00:10]} g5 {[%emt 0:01:57]} 10. Bg3 {[%emt 0:00:27]} Nh6 {[%emt 0:04:40]} 11. h3 {[%emt 0:04:23]} Nd7 {[%emt 0:11:31]} 12. Qd2 {[%emt 0:03:07]} a5 {[%emt 0:17:16]} 13. dxe5 {[%emt 0:06:13]} dxe5 {[%emt 0:02:42]} 14. Nh2 {[%emt 0:00:35]} c6 {[%emt 0:05:34]} 15. Ng4 {[%emt 0:07:29]} Nb6 {[%emt 0:10:40]} 16. Qe3 {[%emt 0:16:04]} Be6 {[%emt 0:17:34]} 17. Rd1 {[%emt 0:03:47]} Nd7 {[%emt 0:01:51]} 18. Nxh6+ {[%emt 0:02:23]} Bxh6 {[%emt 0:03:03]} 19. Bg4 {[%emt 0:00:10]} Qe7 {[%emt 0:01:44]} 20. f3 {[%emt 0:09:45]} Nc5 {[%emt 0:02:51]} 21. Bf2 {[%emt 0:01:14]} b6 {[%emt 0:01:51]} 22. Bxe6+ {[%emt 0:00:38]} Qxe6 {[%emt 0:01:15]} 23. Qe2 {[%emt 0:00:35]} Rfd8 {[%emt 0:02:36]} 24. Bxc5 {[%emt 0:00:28]} bxc5 {[%emt 0:00:06]} 25. Rxd8+ {[%emt 0:07:41]} Rxd8 {[%emt 0:00:12]} 26. g4 {[%emt 0:01:21]} Rd4 {[%emt 0:01:57]} 27. b3 {[%emt 0:00:28]} Qd6 {[%emt 0:01:27]} 28. Na4 {[%emt 0:01:42]} Bf8 {[%emt 0:02:01]} 29. Rh2 {[%emt 0:00:56]} Rd3 {[%emt 0:02:07]} 30. Nb2 {[%emt 0:01:26]} Rc3 {[%emt 0:00:50]} 31. Nd1 {[%emt 0:04:10]} Rd3 {[%emt 0:01:59]} 32. Rf2 {[%emt 0:01:41]} Qd4 {[%emt 0:00:26]} 33. Qc2 {[%emt 0:00:21]} Qd6 {[%emt 0:00:29]} 34. Ke2 {[%emt 0:02:01]} Qd4 {[%emt 0:00:35]} 35. Qxd3 {[%emt 0:00:11]} Kf7 {[%emt 0:00:16]} 36. Qxd4 {[%emt 0:00:13]} cxd4 {[%emt 0:00:05]} 37. Nb2 {[%emt 0:00:08]} Kg6 {[%emt 0:00:38]} 38. Nd3 {[%emt 0:00:11]} h5 {[%emt 0:00:38]} 39. c5 {[%emt 0:00:10]} h4 {[%emt 0:00:31]} 40. a4 {[%emt 0:00:11]} Kf7 {[%emt 0:00:16]} 41. b4 {[%emt 0:00:10]} axb4 {[%emt 0:00:31]} 42. a5 {[%emt 0:00:06]} b3 {[%emt 0:00:20]} 43. a6 {[%emt 0:00:10]} b2 {[%emt 0:00:05]} 44. Rf1 {[%emt 0:00:09]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.47"]
[White "Nava Ruiz, Miguel Angel"]
[Black "Tapie Amione, Pablo Adib"]
[Result "0-1"]
[ECO "A57"]
[Annotator "NA RC"]
[PlyCount "54"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,36,-9,0,-13,-7,-14,-8,-20,-12,-25,-9,-18,0,-27,-8,-6,18,0,0,0,2,0,-10,-36,-9,-33,-16,-5,-4]} 1. d4 {[%emt 0:00:07]} (1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. Nc3 a6 5. a4 Nc6 6. d3 {B50: Sicilian: 2...d6, Miscellaneous.} e6 7. O-O Be7 8. Ba2 O-O 9. Re1 {[#]} h6 $146 ({Predecessor:} 9... Bd7 10. Bf4 Ng4 11. Nd2 Nge5 12. Be3 Nb4 13. Bb1 f5 14. exf5 exf5 15. Bxc5 dxc5 16. Rxe5 {0-1 (37) Kalogeris,I (2307)-Nenezic,M (2531) Belgrade 2021}) 10. h3 Re8 11. Bd2 Bf8 12. Bf4 e5 13. Be3 Nb4 14. Bb3 Be6 15. Bxe6 Rxe6 16. b3 b6 17. Na2 Nxa2 18. Rxa2 d5 {A rather calm draw.  Weighted Error Value: White=0.10 (very precise) /Black=0.10 (very precise)}) 1... Nf6 {[%emt 0:00:23]} 2. Nf3 {[%emt 0:00:52]} c5 {[%emt 0:01:57]} 3. d5 {[%emt 0:01:17]} b5 {[%emt 0:01:11]} 4. c4 {[%emt 0:02:53]} Bb7 {[%emt 0:02:31]} 5. Nc3 {[%emt 0:05:55]} b4 {[%emt 0:01:22]} 6. Nb1 {[%emt 0:02:51]} e6 {[%emt 0:01:40]} 7. dxe6 {[%emt 0:03:25]} fxe6 {[%emt 0:00:55]} 8. g3 {[%emt 0:02:21]} d5 {[%emt 0:04:42]} 9. Bg2 {[%emt 0:01:40]} Bd6 {[%emt 0:00:43]} 10. O-O {[%emt 0:01:13]} Nbd7 {[%emt 0:04:13]} 11. Ng5 {[%emt 0:05:10]} Qe7 {[%emt 0:00:23]} 12. e4 {[%emt 0:02:34]} h6 {[%emt 0:02:28]} 13. exd5 {[%emt 0:01:38]} hxg5 {[%emt 0:00:05]} 14. dxe6 {[%emt 0:01:47]} Ne5 {[%emt 0:00:05]} 15. Qa4+ {[%emt 0:10:25]} Kf8 {[%emt 0:00:34]} 16. Bxg5 {[%emt 0:01:43]} Bxg2 {[%emt 0:00:47]} 17. Kxg2 {[%emt 0:02:17]} Qxe6 {[%emt 0:00:29]} 18. h4 {[%emt 0:01:50]} Ne4 {[%emt 0:00:08]} 19. Bf4 {[%emt 0:02:28]} Nd3 {[%emt 0:00:25]} 20. Bxd6+ {[%emt 0:01:11]} Qxd6 {[%emt 0:00:07]} 21. Qd1 {[%emt 0:04:36]} Kg8 {[%emt 0:01:38]} 22. Qf3 {[%emt 0:03:05]} Qd4 {[%emt 0:03:32]} 23. Nd2 {[%emt 0:02:52]} Nxd2 {[%emt 0:01:07]} 24. Qxa8+ {[%emt 0:00:25]} Kh7 {[%emt 0:00:04]} 25. Qb7 {[%emt 0:02:10]} Rf8 {[%emt 0:02:10]} 26. Rg1 {[%emt 0:09:21]} Rxf2+ {[%emt 0:00:43]} 27. Kh1 {[%emt 0:01:51]} Qg4 {[%emt 0:00:53]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "1.48"]
[White "Blanco Fernandez, Alvaro"]
[Black "Trejo Alonso, Rodrigo Alberto"]
[Result "1-0"]
[ECO "E91"]
[Annotator "NA RC"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:02]} (1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 c5 6. O-O Nc6 7. d4 d6 8. dxc5 dxc5 9. Bf4 Be6 10. Qa4 Qb6 11. Qb5 {E65: King's Indian: Fianchetto: 6...c5 7 0-0 without d5 by White.} Qxb5 12. cxb5 {[#]} Nb4 $146 ({Predecessor:} 12... Nd4 13. Ng5 Bc8 14. e3 h6 15. Nxf7 Kxf7 16. exd4 cxd4 17. Nd5 Nxd5 18. Bxd5+ e6 {1-0 (39) Brueckner,T (2375)-Beukes,D (1636) Chess.com INT 2017}) 13. Be5 h6 {[#]} (13... Bh6 $11) 14. Ne1 $1 {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.03 (flawless) /Black=0.30}) 1... Nf6 {[%emt 0:00:38]} 2. c4 {[%emt 0:00:10]} g6 {[%emt 0:00:44]} 3. Nc3 {[%emt 0:00:10]} Bg7 {[%emt 0:00:08]} 4. e4 {[%emt 0:00:09]} d6 {[%emt 0:00:07]} 5. Be2 {[%emt 0:00:08]} Nc6 {[%emt 0:02:45]} 6. Nf3 {[%emt 0:00:58]} O-O {[%emt 0:02:41]} 7. O-O {[%emt 0:01:46]} e5 {[%emt 0:05:17]} 8. d5 {[%emt 0:00:17]} Nb8 {[%emt 0:02:46]} 9. Ne1 {[%emt 0:01:24]} Ne8 {[%emt 0:07:34]} 10. Nd3 {[%emt 0:01:19]} f5 {[%emt 0:02:25]} 11. Bd2 {[%emt 0:00:11]} Nf6 {[%emt 0:02:54]} 12. f3 {[%emt 0:00:04]} Nh5 {[%emt 0:05:18]} 13. Rc1 {[%emt 0:01:57]} f4 {[%emt 0:06:34]} 14. Be1 {[%emt 0:04:00]} Na6 {[%emt 0:07:33]} 15. b4 {[%emt 0:00:31]} Qg5 {[%emt 0:00:23]} 16. Qd2 {[%emt 0:03:23]} Qh6 {[%emt 0:04:37]} 17. c5 {[%emt 0:05:06]} g5 {[%emt 0:00:54]} 18. cxd6 {[%emt 0:04:49]} cxd6 {[%emt 0:03:32]} 19. Nb5 {[%emt 0:07:42]} Rf7 {[%emt 0:09:46]} 20. Bf2 {[%emt 0:05:27]} Bf8 {[%emt 0:02:07]} 21. Nxa7 {[%emt 0:03:21]} Bd7 {[%emt 0:01:29]} 22. b5 {[%emt 0:02:20]} g4 {[%emt 0:03:42]} 23. bxa6 {[%emt 0:03:49]} Rg7 {[%emt 0:06:10]} 24. fxg4 {[%emt 0:03:18]} Nf6 {[%emt 0:00:39]} 25. axb7 {[%emt 0:01:21]} Rb8 {[%emt 0:02:15]} 26. Rc7 {[%emt 0:00:45]} Nxe4 {[%emt 0:02:19]} 27. Qe1 {[%emt 0:00:18]} Nf6 {[%emt 0:07:56]} 28. Nc6 {[%emt 0:01:59]} Nxg4 {[%emt 0:02:28]} 29. Bxg4 {[%emt 0:01:15]} Rxg4 {[%emt 0:00:28]} 30. Rxd7 {[%emt 0:00:57]} Qh3 {[%emt 0:00:13]} 31. Nxf4 {[%emt 0:01:06]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.1"]
[White "Cori, Jorge"]
[Black "Capo Vidal, Uriel"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2650"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "167"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,167,3,31,0,14,0,0,17,38,20,33,26,24,17,23,13,17,17,20,3,11,0,0,3,16,9,31,12,11,0,0,-6,10,0,0,-9,5,0,3,-13,-7,-27,0,-23,8,6,22,26,27,0,10,0,0,0,0,0,0,0,12,0,0,0,14,7,18,8,108,102,104,0,61,52,104,104,96,85,102,31,39,0,0,0,0,13,0,0,29,37,103,28,28,28,44,28,87,87,87,87,87,38,87,87,87,38,87,0,87,87,87,87,87,79,88,88,171,0,93,107,1154,449,2155,1745,1033,716,2926,2865,2628,2002,29972,29973,29973,29974,29974,29975,29977,29978,29978,29979,29980,29981,29978,29979,29983,29981,29979,29978,29984,29985,29985,29986,29986,29987,29987,29988,29988,29989,29990,29990]} 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. Bf4 O-O 6. e3 b6 7. a3 {D37: Queen's Gambit Declined: 5 Bf4.} Bb7 8. cxd5 Nxd5 9. Nxd5 {The position is equal.} Bxd5 10. Bd3 c5 11. dxc5 bxc5 12. Qc2 {Prevents c4.} h6 13. O-O {[#]} Qb6 $146 ({Predecessor:} 13... Nd7 14. Rfd1 Qb6 15. Nd2 Rfd8 16. e4 Bb7 17. Nc4 Qc6 18. Na5 Qb6 19. Nxb7 Qxb7 {1-0 (49) Parligras,M (2603)-Balaskas,N (2160) Achaia 2017}) 14. Ne5 Qb7 15. f3 Nc6 16. Nxc6 Bxc6 17. Rac1 a5 18. Be5 a4 19. Rfd1 Rfd8 20. Bc4 Bd5 21. Qe2 Rd7 22. Bb5 Rdd8 23. Bc4 Rd7 24. Bb5 Rdd8 25. Bd3 Bb3 {Hoping for ...Rd5.} 26. Bc2 Rac8 27. Bc3 Bf6 (27... c4 {is more complex.} 28. Rxd8+ Rxd8 29. Kf2 Bh4+ 30. Kg1 Bf6) 28. Bxf6 gxf6 29. Bxb3 Qxb3 30. Rd2 Kg7 31. Rc3 Rxd2 32. Qxd2 $11 {[%mdl 4096] Endgame KQR-KQR} Qb5 33. h3 Rb8 34. Rc2 Rb7 35. Qf2 Rd7 36. Qg3+ Kf8 37. Qf4 {[%csl LRf6,LRh6]} Kg7 38. Kh2 Rd3 (38... Rd5 $11) 39. Qg3+ $1 $16 Kf8 40. e4 (40. Qc7 $1 $16) 40... Rd1 (40... Rd4 $11) 41. Qc7 $14 Qf1 (41... Kg7 $14) 42. Qxc5+ $16 ({Don't play} 42. Kg3 $6 Qe1+ 43. Kg4 c4 $11) 42... Kg7 43. Qe3 Rb1 44. Kg3 ({Better is} 44. Qf2 $16) 44... Qb5 $14 45. Qf4 Rxb2 46. Qg4+ Kh7 47. Rc8 {[%csl Gc8][%cal Rg4g8]} Qg5 {Inhibits Qg8+.} 48. Qxg5 hxg5 $11 {KR-KR} 49. Ra8 f5 ({Black should try} 49... Kg6 $14) 50. Rxa4 (50. exf5 $16 exf5 51. Rxa4) 50... f4+ 51. Kh2 {[%cal Oh3h4]} Kg6 52. Ra6 Kf6 (52... Ra2 $11) 53. a4 $1 $16 {[%cal Ba3a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Ra2 54. Ra8 Ke5 55. a5 Kf6 (55... Ra1 $1 $14 {is more appropriate.}) 56. a6 Ra1 57. Ra7 (57. a7 $16) 57... Kg6 (57... Ke5 $14) 58. Ra8 Kf6 59. a7 Ra2 60. Kg1 Ra1+ 61. Kf2 $1 Ra2+ 62. Kf1 Kg7 {[#]} (62... Ra4 $16 63. Ke2 Ke5) 63. e5 ({White should play} 63. Ke1 $1 $18) 63... Ra1+ $1 64. Kf2 ({Much less strong is} 64. Ke2 $6 Ra3 65. h4 gxh4 $18) 64... Ra2+ $2 {[%mdl 8192] This costs Black the game.} (64... Kh7 $16 65. Ke2 Ra3) 65. Kg1 $18 {Strongly threatening Kh1.} Ra1+ (65... Kh7 $142 66. Kh1 Kg7) 66. Kh2 Ra2 {[#]} 67. h4 $1 {[%cal Bh3h4,Bh4h5,Bh5h6][%mdl 32]} g4 68. fxg4 f3 69. Kg1 Rxg2+ 70. Kf1 {White mates.} Ra2 71. h5 Kh7 72. h6 f2 73. Kg2 f1=Q+ 74. Kxf1 Ra1+ 75. Kf2 Ra3 76. Kg2 Ra2+ 77. Kf3 Ra4 78. Kg3 Ra3+ 79. Kf4 Ra5 80. Kg5 Rxe5+ 81. Kf6 Ra5 82. Kxf7 Ra1 83. g5 Rf1+ 84. Ke7 {Weighted Error Value: White=0.14 (very precise) /Black=0.15 (very precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.2"]
[White "Sandoval Mercado, Carlos"]
[Black "Mareco, Sandro"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2289"]
[BlackElo "2643"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,71,24,13,22,11,25,8,26,-12,0,0,4,0,0,0,-6,-5,-5,-5,0,-17,0,0,0,0,39,27,27,20,81,82,85,83,298,307,295,276,298,306,1030,0,306,306,305,285,297,305,295,269,367,374,456,436,560,364]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 h6 {E05: Open Catalan: 5 Nf3 Be7.} 11. a3 Be4 12. Qc1 c6 {[#] The position is equal.} 13. a4 $146 ({Predecessor:} 13. Rd1 Nbd7 14. Nc3 Bh7 15. Ne5 Nxe5 16. dxe5 Nd5 17. Be3 Qb8 18. Bd4 Rd8 19. f4 {½-½ (30) Winkler,T (2590)-Szczepanski,Z (2555) ICCF email 2009}) 13... Nbd7 14. Nc3 Bh7 15. axb5 axb5 16. Rxa8 Qxa8 17. Ne5 Nxe5 18. dxe5 Nd5 19. Nxd5 cxd5 20. Qc7 Bd8 21. Qd6 Bg5 22. Bb4 Rd8 23. Qc5 Qb7 (23... Rc8 $11 {keeps the balance.} 24. Qxb5 Rb8) 24. h4 $1 $16 {[%cal Bh2h4,Bh4g5][%mdl 32]} Rc8 25. Qd6 Rd8 $2 {[#]} 26. hxg5 $1 $18 {[%cal Rd6d8]} Rxd6 27. exd6 {Threatens to win with Rc1.} Bf5 28. Rc1 {To avoid Qc6. Strongly threatening Rc7.} Bh7 $2 (28... e5 29. Rc7 Qb6) 29. Rf1 $2 (29. Rc7 $18 Qb8 30. Re7) 29... Qc6 {[%mdl 8192] [#]} (29... hxg5 $2 30. Rc1 Qd7 31. Rc7 $18) (29... Bf5 $1 $11 {and Black stays safe.}) 30. Ra1 $1 {[%cal Od6d7] d7! is the strong threat.} Bf5 {[#]} 31. Ra7 $1 e5 (31... hxg5 $2 32. d7 Qb6 33. Ra8+ Kh7 34. d8=Q $18) (31... Qc1+ $2 32. Kh2 e5 33. g6 fxg6 34. d7 Bxd7 35. Bxd5+ Kh7 36. Rxd7) 32. Rc7 Qa8 33. d7 Bxd7 34. Rxd7 {[%cal Og5g6] Black must now prevent g6!} Qa1+ 35. Kh2 {[%cal Og5g6] Hoping for g6!} Qxb2 {[#]} 36. Bxd5 $1 {[%mdl 32768] Weighted Error Value: White=0.22 (precise) /Black=0.64. An unexpected result.} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.3"]
[White "Santos Latasa, Jaime"]
[Black "Herrera Ortiz, Miguel"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2640"]
[BlackElo "2297"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,20,38,26,33,31,61,6,81,76,77,74,113,109,123,126,120,122,124,85,122,97,151,162,160,133,152,151,170,154,174,175,179,175,165,177,171,176,177,181,189,170,160,155,149,157,140,100,160,127,143,141,141,142,179,191,191,199,208,200,222,206,212,193,212,188,276,220,216,222,197,180,220,210,261,252,405,200,240,0,416,244,339,193,1100,1041,1138,1121,1093,869,1145,1140]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. h4 Qd7 6. h5 {C16: French: 3 Nc3 Bb4 4 e5: Lines without ...c5.} h6 7. a3 $5 {[%mdl 4] A promising side line.} Bf8 8. b4 {[#]} (8. f4 $14) 8... Nc6 $146 (8... c5 $11) ({Predecessor:} 8... c5 9. bxc5 bxc5 10. Bb5 Nc6 11. Nf3 c4 12. Ne2 Qb7 13. Ba4 Bd7 14. c3 Nge7 {1-0 (56) Antipov,M (2584)-Ruiz Castillo,J (2498) Lichess.org INT 2020}) 9. f4 Bb7 10. Nf3 O-O-O 11. Bd3 Kb8 12. Ne2 Nge7 13. Be3 g6 14. Bf2 Rg8 15. c3 Nf5 (15... g5 $142) 16. g4 $16 Nfe7 17. Ng3 Nc8 18. Be3 {White is more active.} N6e7 19. Ra2 b5 20. a4 bxa4 21. hxg6 ({Don't play} 21. Rxa4 $6 Nb6 22. Ra2 Nc4 $16) (21. Qxa4 $6 Qxa4 22. Rxa4 Nb6 $14) 21... fxg6 22. Qxa4 Qxa4 23. Rxa4 Nb6 24. Ra2 Nc4 25. Bc1 Bc6 26. Rah2 Kb7 27. Nd2 Nxd2 28. Kxd2 ({Don't do} 28. Rxd2 a6 $16) 28... Nc8 ({Black should play} 28... a6) 29. Nf1 Nb6 30. Ke1 Bd7 31. Ne3 Nc8 32. Ra2 {[%cal Bh2a2,Ba2a6,Ba6f6][%mdl 32]} Kb8 33. Ke2 Ne7 34. Bd2 {[%cal Bc1d2,Bd2e1,Be1f2][%mdl 32]} Nc8 35. Be1 Be8 36. Bf2 h5 37. Ra6 Bf7 (37... Nb6 {was worth a try.} 38. Rha1 hxg4 39. Rxa7 Rh8 40. Nxg4 Be7) 38. gxh5 gxh5 39. f5 exf5 40. Nxf5 {Threatens to win with Bh4.} Bg6 41. Rf6 Be8 42. Bh4 Rd7 $2 {[#]} (42... Bd7 43. Rf7 Be6) 43. Bb5 (43. Rg1 $142 $3 {[%mdl 512]} Rh8 44. Ra6) 43... Rd8 {[#]} 44. Bd3 (44. Rc6 $1 {[%mdl 512]} Kb7 45. Bxd8 Bxc6 46. Bxc6+ Kxc6 47. Bf6 (47. Rxh5 Bxb4 48. Rh6+ Kb5 $16)) 44... Rd7 $18 {[#]} 45. Rf1 (45. Rg1 $142 $3 {[%mdl 512]} Rh8 46. Ra6) 45... Bg7 46. e6 (46. Ra6 $142 Bf8 47. Re6) 46... Rd8 $2 (46... Rd6) 47. Nxg7 {White is clearly winning.} Rxg7 48. Rf8 Ne7 49. Bf6 {This bishop pair is nice.} Rg2+ 50. Rf2 {Weighted Error Value: White=0.36/Black=0.26 (precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.20"]
[Round "2.4"]
[White "Martin Del Campo Cardenas, Roberto Abel"]
[Black "Meier, Georg"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2250"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,62,13,16,14,-26,-20,-12,-20,-84,-72,-68,-73,-82,-79,-69,-83,-84,-72,-75,-66,-139,-141,-200,-202,-277,-270,-259,-261,-257,-268,-303,-231,-764,-432,-425,-406,-415,-418,-396,-388,-395,-368,-319,-262]} 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 c5 8. dxc5 Bxc5 9. Qe2 O-O 10. Bg5 h6 11. Bh4 Qa5+ {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 12. Qd2 Qxd2+ 13. Nxd2 Nd5 {[#] The position is equal.} 14. Bc4 $146 (14. O-O-O $11 {keeps the balance.}) ({Predecessor:} 14. O-O-O f5 15. f3 Bd7 16. Nb3 Be3+ 17. Kb1 a5 18. c4 a4 19. cxd5 axb3 20. Bc4 bxa2+ 21. Bxa2 {½-½ (28) Ramsden,J (2104)-Delahaye,M (1913) ICCF email 2016}) 14... f5 $17 15. Nb3 Bb6 16. Bxd5 exd5 {[%cal Be6d5,Bd5d4][%mdl 32]} 17. f3 Re8+ 18. Kd1 f4 $36 {[%mdl 2048] White is under strong pressure.} 19. Rf1 Bf5 {And now ...Rac8 would win.} 20. Re1 ({Better is} 20. Bf2 $1 $15) 20... Be3 {Black is more active. A strong pair of Bishops.} 21. Re2 {[#]} (21. Rxe3 $17 Rxe3 22. Nd4) 21... d4 $1 $19 {Hoping for ...d3.} 22. Nc1 Rac8 23. Nd3 Re6 {[%cal Be8e6,Be6c6,Bc6c5][%mdl 32] aiming for ...Bxd3.} 24. Be1 Rec6 {Threatens to win with ...Bxd3.} 25. Nb4 Rc5 {[#] White must now prevent ...a5.} 26. Bf2 $2 (26. Bd2) 26... a5 27. Bxe3 fxe3 ({Not} 27... dxe3 $2 28. Nd3 Rd5 29. Ke1 $19) 28. Nd3 Bxd3 29. cxd3 a4 30. f4 Rf8 31. g3 g5 {White got outplayed after the opening.  Weighted Error Value: White=0.37/Black=0.23 (precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.5"]
[White "Tapie Amione, Pablo Adib"]
[Black "Fier, Alexandr"]
[Result "0-1"]
[ECO "B62"]
[WhiteElo "2241"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,104,30,28,20,28,39,45,37,32,47,4,25,0,0,-10,14,10,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-5,-6,8,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-12,-19,-18,-12,-12,-12,-12,-12,0,-8,-8,-58,-58,-58,-56,-192,-170,-420,-408,-400,-411,-402,-399,-542,-541,-483,-477,-607,-604,-513,-543]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd3 Bd7 8. O-O-O a6 9. f4 Be7 {B62: Sicilian: Richter-Rauzer: 6...e6: Unusual White 7th moves.} 10. Nf3 Qa5 11. Bxf6 {[#]} ({Much weaker is} 11. e5 Nb4 12. Qd4 dxe5 13. Nxe5 (13. fxe5 Bc5 $15) 13... Rd8 $11) 11... Nb4 $146 {White is slightly better.} ({Predecessor:} 11... gxf6 12. Kb1 h5 13. Nd2 b5 14. Qe3 h4 15. Rg1 Qc7 16. Bd3 Qa7 17. Qf3 b4 {½-½ (37) Cruz Ramirez,E (2090)-Mueller,H (2070) ICCF email 2019}) 12. Qe3 gxf6 13. Bc4 (13. Kb1 $14) 13... Qc5 $1 $11 14. Qd4 {[%cal Of4f5]} b5 15. Bb3 {[%cal Of4f5]} a5 16. a4 bxa4 17. Qxc5 dxc5 18. Bxa4 Na2+ $1 19. Kd2 O-O-O {[#] aiming for ...Bxa4+.} 20. Ke3 Nxc3 21. Bxd7+ Rxd7 {Really sharp!} 22. Rxd7 Kxd7 23. bxc3 {[%mdl 4096] Endgame KRB-KRN} a4 24. Ra1 Ra8 25. Kd3 Kc6 26. Kc4 Bd6 27. g3 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 28. Ne1 h4 29. Nd3 f5 30. e5 Be7 31. Ra3 h3 32. Nf2 Kb6 33. Nxh3 Rh8 34. Nf2 Rxh2 35. Nd3 Rxc2 36. Rxa4 Re2 37. Kb3 Re3 {[%csl LRd3,LRg3]} 38. Nb2 {[#] Hoping for Nc4+.} Rxg3 39. Nc4+ Kb7 40. Na5+ $1 Kc7 41. Nc4 Kb8 42. Na5 {Strongly threatening Nc6+.} Bh4 {next ...Rf3 is good for Black.} 43. Kc4 ({White should play} 43. Nc4 $11) 43... Kc7 $1 $15 44. Nb3 Rf3 45. Kb5 {Loses the game.} (45. Ra8 $15) 45... Rxc3 $19 46. Na5 (46. Nxc5 {was called for.} Bf2 47. Na6+ Kb7 48. Ra1) 46... Bf2 47. Ra2 Be3 48. Rh2 Rc1 ({Wrong is} 48... Bxf4 $2 49. Rh7 Bxe5 50. Nc4 $19) 49. Rh7 Rb1+ {Black is clearly winning.} 50. Kc4 Kb6 51. Nb3 Bxf4 52. Rxf7 Re1 {Weighted Error Value: White=0.23 (precise) /Black=0.02 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.6"]
[White "Alonso Rosell, Alvar"]
[Black "Flores Guerrero, Jesus Aldair"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2570"]
[BlackElo "2251"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,25,43,40,38,37,37,36,60,59,70,67,57,54,67,60,85,77,64,57,93,62,72,60,80,30,47,41,149,152,132,93,79,80,97,112,102,89,96,94,497,498,933,954,1089,1031,1951,1759,29986,29987,29987,29988,29988,29989,29989,29990]} 1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. Bxf6 exf6 5. e3 Bb4 6. Bd3 {A80: Dutch Defence: Unusual White second moves.} g6 7. Qf3 Be6 8. Nge2 {White is slightly better.} c6 9. h3 Qe7 10. g4 fxg4 11. hxg4 {[%cal Od3g6] Strongly threatening Bxg6+!} Rf8 {[#]} 12. a3 $146 ({Predecessor:} 12. O-O-O Nd7 13. e4 dxe4 14. Bxe4 f5 15. Bxc6 fxg4 16. Bxd7+ Qxd7 17. Qe4 Bxc3 18. Nxc3 {1-0 (58) Pankov,G (2341)-Kobzar,A (2092) St Petersburg 2006}) 12... Bd6 13. e4 dxe4 14. Nxe4 Bg8 15. O-O-O {Rhe1 is the strong threat.} Nd7 16. Nxd6+ Qxd6 17. c4 (17. Qe4+ $16 Kd8 18. Qf4 Qxf4+ 19. Nxf4) 17... O-O-O $11 18. c5 Qe6 (18... Qc7 $14) 19. Nc3 $16 {[%cal Be2c3,Bc3e4,Be4d6,Bd6b7][%mdl 32] Hoping for Qf4.} Kb8 20. Qg3+ Ka8 21. Rhe1 $1 $36 {[%mdl 2048] White has strong initiative.} Qf7 22. Ne4 $1 f5 23. Nd6 {[%csl LRf5,LRf7]} Qf6 24. gxf5 Qxd4 $2 {[%mdl 8192] [#] This costs Black the game.} (24... gxf5 $16 25. Bc2 (25. Bxf5 Nb6 $14) (25. Nxf5 Be6 $14) 25... Nb6) 25. Nxb7 $1 $18 Rb8 {[#]} (25... Kxb7 $2 {[#]} 26. Ba6+ $1 {[%mdl 512]} Kxa6 27. Rxd4) (25... Rc8 $142 26. Re7 Nb8) 26. Bb5 $1 {[%mdl 512]} Qf6 {[#]} (26... Nxc5 27. Rxd4) 27. Rd6 $1 {Active counter play!} Qxf5 (27... cxb5 28. Rxf6) 28. Bxc6 {White wants to mate with Nd8+.} Rxb7 29. Bxb7+ {White mates.} Kxb7 30. c6+ Ka8 31. cxd7 Qc5+ 32. Kb1 {Weighted Error Value: White=0.06 (flawless) /Black=0.65} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.7"]
[White "Chinchilla Miranda, Eugenio"]
[Black "Albornoz Cabrera, Carlos Daniel"]
[Result "0-1"]
[ECO "E29"]
[WhiteElo "2193"]
[BlackElo "2567"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,46,-21,-8,-44,-28,-24,-27,-104,-106,-108,-109,-118,-123,-115,-116,-262,-276,-271,-255,-280,-266,-271,-239,-255,-230,-284,-284,-282,-282,-262,-257,-298,-272,-504,-481]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O $1 {7...0-0 scores better than 7...d6.} 8. e4 {E29: Nimzo-Indian: Sämisch: 5...0-0 6 e3 c5 7 Bd3 Nc6.} cxd4 9. cxd4 d5 $5 {[%mdl 4] Leaves trodden paths.} (9... Nxd4 10. e5 Ne8 11. Bxh7+ $1 Kxh7 12. Qxd4 $11) 10. e5 {[#]} (10. cxd5 $11 exd5 11. e5) 10... dxc4 $1 $17 11. Bxc4 {[#]} Qxd4 $146 ({Predecessor:} 11... Ne4 12. Be3 Qa5+ 13. Kf1 Rd8 14. Nf3 h6 15. Qd3 Qc3 16. Rc1 Qxd3+ 17. Bxd3 Ng5 18. Nxg5 hxg5 {½-½ (51) Gonda,L (2465)-Banusz,T (2460) Balatonlelle 2006}) 12. Qxd4 Nxd4 13. Rb1 Ng4 14. Bf4 (14. f4 $17) 14... Nc2+ $19 {Pair of Knights!} 15. Ke2 Nxa3 16. Rc1 Nxc4 17. Rxc4 Bd7 {Hoping for ...Bb5.} 18. Kf3 h5 {White must now prevent ...Bc6+.} 19. h3 Nh6 20. Bxh6 gxh6 21. Ne2 Bb5 22. Rc7 Rac8 23. Re7 $2 (23. Rxc8 Rxc8 24. Rb1 Bc6+ 25. Ke3) 23... Rfd8 {White got outplayed after the opening.  Weighted Error Value: White=0.47/Black=0.03 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.8"]
[White "Cuenca Jimenez, Jose Fernando"]
[Black "Blanco Fernandez, Alvaro"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2552"]
[BlackElo "2216"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,86,18,38,36,42,47,54,38,43,23,59,67,45,47,75,41,73,41,68,0,12,-1,17,-8,118,-72,-56,-90,-24,-34,-25,-22,-14,0,382,383,361,0,0,0,52,29,68,32,47,47,64,59,79,40,51,36,41,43,38,57,31,39,75,68,78,70,70,36,32,54,60,65,57,33,166,166,166,169,800,88,6049,185,4918]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Be7 6. Nc3 {E11: Bogo-Indian.} d5 {Inhibits e4.} 7. Bf4 O-O 8. e3 {White is slightly better.} b6 9. Bd3 Bb7 10. cxd5 exd5 {[#]} 11. O-O $146 ({Predecessor:} 11. Qc2 Nbd7 12. h4 c5 13. O-O Bc6 14. Ne5 Nxe5 15. dxe5 Ne4 16. Nxe4 dxe4 17. Bxe4 Bxe4 18. Qxe4 Qc8 19. Bg5 {1-0 (19) Yloenen,O (2451)-Cook,D (2269) ICCF email 2017}) 11... c5 12. Ne5 Na6 {[%cal Bb8a6,Ba6c7,Bc7e6,Be6f4][%mdl 32]} 13. Qf3 Nc7 14. Qh3 ({White should try} 14. Bc2 $14) 14... Ne6 $11 15. Ne2 Nxf4 16. Nxf4 {[%cal Of4e6]} (16. exf4 $5 {[%cal Re5d7]} Bc8 17. Qf3 $11) 16... Bd6 {[#]} (16... g6 $11 {remains equal.}) 17. Rfd1 $2 {White is much more active.} (17. Ne6 $1 $16 {[%cal Re6d8][%mdl 512] stays on course.} Bc8 18. Nxd8 Bxh3 19. Ndxf7 (19. gxh3 Rfxd8 20. Bb5 c4 $11) 19... Bxe5 20. Nxe5) 17... Re8 $17 18. Nf3 Bxf4 ({Black should play} 18... c4 $17 19. Bc2 b5) 19. exf4 $11 Bc8 20. Qh4 c4 21. Bc2 Re2 $2 {[%mdl 8192] [#]} (21... b5 $11 {and Black has nothing to worry.}) 22. Bxh7+ $1 $18 {[%mdl 512]} Kf8 {[#]} 23. Rd2 ({White has to play} 23. Re1 $1 $18 {[%cal Re1e2]} Rxb2 24. Ne5) 23... Rxd2 $11 24. Nxd2 {[%cal Bf3d2,Bd2f1,Bf1e3][%mdl 32]} Be6 (24... Qe7 $11) 25. Bc2 {Black must now prevent Qh8+.} (25. Nf3 {with more complications.} Ne4 26. Ng5 Nxg5 27. fxg5 g6 28. Re1) 25... Ne4 26. Qxd8+ (26. Qh5 {is interesting.} Nxd2 27. f5 Bd7 28. Qh8+ Ke7 29. Qxg7 Ne4 30. Re1) 26... Rxd8 27. Nf1 b5 28. Ne3 f5 29. f3 Nd6 30. Kf2 g6 31. h4 Kf7 32. g4 Rh8 33. Kg3 Kf6 34. Re1 b4 35. axb4 axb4 36. Ra1 {Hoping for Ra7.} Nb5 {Inhibits Ra7.} 37. Ra6 $1 {[%csl LRd5,LRf5]} Nxd4 {aiming for ...Ne2+.} 38. Nxd5+ $1 Kg7 39. Nxb4 {Threatens to win with Bd1.} Rb8 {[#]} (39... Ne2+ $1 $14 40. Kf2 Nxf4) 40. Nc6 $1 $18 Nxc6 41. Rxc6 Rb7 $2 (41... Rxb2 42. Bxf5 (42. Rxe6 Rxc2 43. Re7+ Kf6 $14) 42... Bxf5) 42. b3 $2 (42. Rxe6 $18 Rxb2 43. Ba4) 42... Rxb3 $2 {[%mdl 8192]} 43. Bxf5 $2 Rb2 $2 {Weighted Error Value: White=0.69/Black=0.46} (43... Bxf5 44. gxf5 gxf5 45. Rc7+ (45. Rxc4 Rb1 $18) 45... Kf6 46. Rxc4 Rb1) 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.9"]
[White "Zacarias, M Ruben D"]
[Black "Vazquez, Guillermo"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "2174"]
[BlackElo "2545"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,70,0,0,0,5,10,-21,-8,-47,-30,-44,-50,-36,-47,-65,-9,-90,-79,-79,-84,-78,-102,-89,-28,-15,0,-43,0,-94,-93,-98,-100,-151,-112,-180,-160,-151,-124,-125,-94,-249,-250,-235,-238,-737,-723,-1481,-1293]} 1. e4 {Meyer,CD} c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Be7 13. Kb1 Qb6 {B19: Classical Caro-Kann: 4...Bf5 main line.} 14. Ne4 Rd8 15. c4 O-O {The position is equal.} 16. Bc3 c5 $1 17. Nxf6+ Bxf6 18. Qe2 cxd4 19. Bxd4 Qc6 {[#]} (19... Bxd4 $15 20. Nxd4 Nf6) 20. Rd2 $146 ({Don't go for} 20. Bxa7 $2 b6 21. Nd4 Bxd4 22. Rxd4 Nc5 $19) (20. g4 $11) ({Predecessor:} 20. g4 Bxd4 21. Nxd4 Qc5 22. Nf3 Nf6 23. Ne5 Rd4 24. Rxd4 Qxd4 25. Rd1 Qf4 26. Re1 {½-½ (40) Hou,Y (2676)-So,W (2778) Dortmund 2015 CBM 167 [Meyer,CD]}) 20... Bxd4 $1 $17 21. Rxd4 {And now Rhd1 would win.} Nf6 22. Rhd1 Rxd4 23. Rxd4 Re8 ({Better is} 23... Nxh5 $17 24. Ne5 Qc5) 24. Qe5 $11 a6 {[%cal Ba7a6,Ba6b5][%mdl 32]} 25. Ne1 (25. a3 $11) 25... b5 (25... Rc8 $15 {was preferrable.}) 26. b3 (26. c5 $1 $11) 26... Rc8 $1 $17 27. f3 {[#]} Qb6 $1 {Threatens to win with ...bxc4.} 28. cxb5 ({White should play} 28. Qd6 Qa7 29. Nc2) 28... axb5 {aiming for ...Nd5.} 29. Qd6 (29. Nc2 $17) 29... Qa5 {White must now prevent ...Nd5.} 30. Qb4 Qc7 $40 {[%csl Gc8][%cal Rc7c1][%mdl 128] Black attacks with force.} 31. Qd2 {Prevents Qc1+.} Nd5 32. Nd3 $2 {[#] This costs White the game.} (32. Nc2 $17) 32... Nc3+ $1 $19 33. Kb2 e5 34. Rg4 (34. Nxe5 Qxe5 35. Rd8+ Kh7 36. Qd3+ Ne4+ 37. Qd4 Qxd4+ 38. Rxd4) 34... Qd6 35. a3 f5 {Weighted Error Value: White=0.65/Black=0.11 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.10"]
[White "Gonzalez Zamora, Juan Carlos"]
[Black "Avila Rodriguez, Joshua Ad"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2544"]
[BlackElo "2182"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,133,39,35,43,12,20,14,17,4,10,4,30,16,62,64,81,70,59,0,0,0,0,4,7,2,6,6,53,0,0,0,0,0,0,0,0,0,8,-65,-75,-69,-69,-69,-48,-46,-35,-42,-8,-31,-8,-7,0,-16,0,0,0,-34,-33,-37,-31,-37,0,0,29,17,106,109,237,226,291,261,564,234,486,471,1072,1112,855,810,764,752,1088,1043,1210,1166,29980,29981,29981,29982,29982,29983,29983,29983,29984,29985,29985,29985,29983,29983,29983,29976,29992,29993,29993,29990,29990,29991,29992,29991,29993,29994,29994,29995]} 1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. e3 Nf6 {[%cal Bg8f6,Bf6d5,Bd5c3][%mdl 32]} 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Qb3 Nxc3 9. Bc4 Nd5 10. Bxd5 e6 11. Bxc6+ bxc6 12. O-O Qd5 {A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3.} 13. Bf4 f6 14. Rfc1 g5 {The position is equal.} 15. Be3 Be7 {[#]} 16. Nd2 $146 ({Predecessor:} 16. Ne1 Ba6 17. Qc3 Bb7 18. f3 Kf7 19. Nd3 Rhd8 20. Nc5 Bxc5 21. Qxc5 Qxc5 22. Rxc5 {½-½ (40) Lyell,M (2228)-Levin,F (2489) Gallipoli 2014}) 16... Bd7 17. Qc2 c5 (17... O-O $11) 18. dxc5 $14 {[#] Strongly threatening c6.} Bc6 {[%csl Gc6][%cal Rd5g2]} 19. f3 g4 20. Qe4 ({White should play} 20. Rd1 $14) 20... gxf3 $11 21. Qxd5 Bxd5 {A strong pair of Bishops.} 22. Nxf3 Rg8 23. Kf2 Rb8 24. b3 Bc6 (24... Kf7 $11 {was preferrable.}) 25. Rg1 (25. g3 $14) 25... e5 26. Rac1 Kf7 27. g3 a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 28. Rc4 a4 29. b4 Bd5 30. Rgc1 (30. Rh4 $11) 30... Bxc4 $15 31. Rxc4 a3 32. Ne1 $1 f5 33. Nc2 Ke6 34. Rc3 Kd5 35. Bd2 f4 36. gxf4 Bh4+ 37. Kf1 exf4 38. Rd3+ Ke5 {[#] aiming for ...Rbd8.} 39. Nxa3 Ke4 40. Rh3 Rg4 {[%mdl 1024] Black has compensation.} 41. Nc4 $1 Rbg8 {( -> ...Rg1+)} (41... f3 $5 {[%cal Rf3f2]} 42. Nd6+ Kd3 $17) 42. Nd6+ Ke5 (42... Kd5 $5 {[%cal Rg4g2]}) 43. Ke2 {Threatening Kf3.} Rg2+ (43... Ra8 $11) 44. Kd3 $16 R8g4 {This costs Black the game.} (44... Bg5 $16 {was called for.}) 45. Nc4+ $18 Ke6 46. c6 Bf6 $2 (46... h5 47. c7 Kd7 48. Ne5+ Kxc7 49. Nxg4 Rxg4) 47. Rf3 (47. c7 $142 Rg8 48. Nb6) 47... Rxh2 $2 (47... Rg5 {keeps fighting.}) 48. Bxf4 ({But not} 48. c7 Rxd2+ 49. Kxd2 Kd7 $18) 48... Rxf4 (48... Rxa2 $142 49. c7 Ra8) 49. Rxf4 {[%mdl 4096] Endgame KRB-KRN} Rh3+ 50. Ke2 {[%cal Of4f6]} Rh2+ 51. Kd1 Bd8 52. Rd4 Bc7 53. b5 {Threatens to win with b6.} Rxa2 54. b6 {White mates.} Bxb6 55. Nxb6 {KRN-KR} Ra7 56. Rd7 Ra1+ 57. Ke2 Ra2+ 58. Kd3 Ra3+ 59. Kc4 Ra1 60. Rxh7 Kd6 61. Rh6+ Kc7 62. Nd5+ Kb8 63. Kc5 Rc1+ 64. Kd6 Rd1 65. Rh8+ Ka7 66. c7 Rc1 67. c8=R {Weighted Error Value: White=0.16 (very precise) /Black=0.46} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.11"]
[White "Corrales Jimenez, Zenia"]
[Black "Obregon Rivero, Juan Carlos"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "2151"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,90,-23,-28,-25,-21,-26,-18,-12,-15,-40,-43,-18,-37,-13,-72,-80,-95,-70,-67,-72,-97,-59,-63,-62,-62,-83,-76,-53,-63,0,-44,-26,-155,-160,-159,-147,-290,-290,-292,-274,-272,-278,-274,-254,-265,-254,-365,-350,-464,-476,-435,-412,-512,-521,-705,-459,-400,-325,-925,-919,-1622,-1706,-1841,-1097,-5293,-5181,-2539,-2441,-1850,-1123]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Qxd4 Nc6 6. Bb5 Bd7 7. Bxc6 Bxc6 8. Bg5 e6 9. O-O-O Be7 10. Rhe1 O-O 11. Kb1 h6 12. Bh4 b5 $1 {[%mdl 4] now scores much better than the old 12...Re8. B53: Sicilian: 2...d6: Lines with Qxd4.} 13. Bxf6 Bxf6 14. Qxd6 Qb6 {White should prevent ...b4. The position is equal.} 15. Ne5 $1 Bxe5 16. Qxe5 {[#]} Qxf2 $146 (16... b4 $5 {[%cal Rb4c3]} 17. Ne2 Qxf2 $11) ({Predecessor:} 16... b4 17. Ne2 Qxf2 18. Nf4 Kh7 19. Nh5 Rg8 20. Rf1 Qe2 21. Rde1 Qd2 22. Rd1 Qg5 23. Qxg5 hxg5 24. Rxf7 {0-1 (46) Zhigalko,S (2572)-Preotu,R (2473) Chess.com INT 2021}) 17. Rf1 Qh4 (17... Qxg2 $2 18. Rg1 Qxg1 19. Rxg1 $18) 18. g4 (18. Nxb5 $11 Qxe4 19. Qxe4 Bxe4 20. Rd2) 18... b4 (18... Qxg4 $2 19. Rg1 f6 20. Qc5 $18 (20. Rxg4 fxe5 21. Rg6 Kf7 $17)) 19. Ne2 Qg5 (19... Qxg4 $2 {[#]} 20. Rg1 $1 f6 21. Qc7 $18) 20. Qxg5 hxg5 21. Ng3 g6 22. Rd4 Rab8 23. Rfd1 Kg7 24. Rc4 Rfc8 25. b3 Kf6 (25... a5 $15) 26. Kb2 (26. Rc5 $1 $11 {is more appropriate.}) 26... Be8 27. c3 {Black continues to play with concentration.} (27. e5+ $1 $11 {keeps the balance.} Kxe5 28. Re1+ Kf6 29. Ne4+ Ke7 30. Nxg5) 27... bxc3+ $17 28. Kxc3 Ke5 29. h3 (29. Rd2 $17) 29... Bb5 $19 30. Rxc8 Rxc8+ {[%mdl 4096] Endgame KRB-KRN} 31. Kb4 Rb8 32. Kc5 Kf4 33. Nf1 Kxe4 34. Nd2+ (34. Re1+ $142 Kf3 35. Nd2+ Kg2 36. Ne4) 34... Ke3 35. Nc4+ Bxc4 36. bxc4 {KR-KR} Rc8+ 37. Kb4 f5 {[%cal Bf7f5,Bf5f4,Bf4f3,Bf3f2][%mdl 32]} 38. Re1+ Kd4 {[#] Threatens to win with ...f4.} 39. Rd1+ Ke5 {Hoping for ...f4.} 40. c5 $2 (40. Kc3) 40... f4 {Black is clearly winning.} 41. Kb5 f3 42. c6 Kf4 43. Rd7 f2 44. Rf7+ Kg3 {aiming for ...e5.} 45. Kc5 e5 {Weighted Error Value: White=0.80/Black=0.14 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.12"]
[White "Almeida Quintana, Omar"]
[Black "Miranda Rodriguez, Tania"]
[Result "1-0"]
[ECO "D23"]
[WhiteElo "2535"]
[BlackElo "2174"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,92,14,17,20,26,0,16,8,12,14,7,9,26,27,44,26,29,14,19,9,24,17,39,40,55,40,45,31,85,97,85,103,96,85,79,38,147,156,154,91,84,88,87,85,126,162,615,584,605,602,898,934,874,785,785,785,785,785,742,741,785,785,778,692,933,836,926,816,29962,29965,29963,29961,9497,5731,4766]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Qc2 dxc4 5. Qxc4 Bf5 6. Nc3 Nbd7 7. g3 h6 8. Bg2 e6 9. O-O Be7 10. e3 O-O 11. Qe2 {D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines.} Ne4 12. Ne1 Ndf6 13. f3 {[%cal Rc3e4] The position is equal.} Nxc3 14. bxc3 Bh7 15. e4 c5 16. Be3 Qa5 17. Nd3 {[%cal Rd3c5] [#]} Nd7 $146 ({Predecessor:} 17... Rfd8 18. Nxc5 Bxc5 19. dxc5 Qxc3 20. Rfc1 Qa5 21. Qb2 Rd7 22. Bxh6 gxh6 23. Qxf6 Rc8 24. Qxh6 Rxc5 {½-½ (42) Grigoryan,K (2517)-Steil Antoni,F (2142) Albena 2012}) 18. Rab1 b6 19. Rfc1 Rac8 20. Bh3 cxd4 21. cxd4 {[%cal Od4d5]} Qa6 22. Nf4 {[%cal Bd3f4,Bf4e2,Be2c3,Bc3b5,Bb5d4][%mdl 32]} Qxe2 23. Nxe2 Ba3 (23... g5 $14) 24. Rc3 $16 Rxc3 25. Nxc3 Rc8 26. Nb5 {[%csl LRa3,LRa7]} Bf8 27. d5 {White is more active.} ({White should play} 27. Rc1 $16 Rxc1+ 28. Bxc1) 27... Rc2 (27... Ne5 $14 28. dxe6 (28. Nxa7 $2 Rc3 $19) 28... Nxf3+ 29. Kf2 Rc4) 28. dxe6 Ne5 29. exf7+ (29. Nd4 $142 $1 {[%cal Rd4c2]} Rc3 30. Rb3 Rxb3 31. exf7+ (31. axb3 f6 $16) 31... Kxf7 32. axb3) 29... Kxf7 30. Nd4 Rc3 {[#]} 31. Kf2 $36 {[%mdl 2048] White is in control.} Bc5 {[#]} (31... Nc4 $142) 32. Rb3 $1 Nxf3 $2 (32... Bxd4 33. Bxd4 Rc2+ 34. Ke3 Nc4+ 35. Kd3 Rxh2) 33. Rxc3 $18 Nxd4 34. Rc4 Bxe4 35. Bxd4 Bd5 36. Ra4 b5 {[#]} 37. Bxc5 $1 bxa4 38. a3 a6 39. Bf1 Bb7 40. Bg2 Bc8 41. Bc6 h5 42. Ke3 g5 43. Bxa4 {Strongly threatening h4.} h4 44. gxh4 gxh4 45. Kf4 Ke6 46. Bf2 {White threatens Bc2 and mate.} Kd5 {Weighted Error Value: White=0.08 (flawless) /Black=0.47} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.13"]
[White "Guevara Sanchez, Erick Marvin"]
[Black "Cordova, Emilio"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2145"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,55,52,35,59,35,101,36,115,107,132,106,156,99,114,120,139,91,156,3,33,37,112,118,116,104,99,113,90,88,91,93,137,145,133,131,247,114,130,0,188,0]} 1. e4 c5 2. c4 Nc6 3. Ne2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8. Be2 d6 9. h3 a5 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} 10. O-O Bd7 (10... Nxd4 $14 11. Bxd4 (11. Qxd4 Ng4 $11) 11... Bd7) 11. Rc1 (11. Ndb5 $16) 11... a4 (11... Nxd4 $14 12. Bxd4 (12. Qxd4 Ng4 $11) 12... Bh6) 12. Ndb5 $1 $16 Qa5 13. f4 {[#]} Rfd8 $146 ({Better is} 13... Rfc8) ({Predecessor:} 13... Rfc8 14. Bf3 Be6 15. Nd5 Nd7 16. b4 axb3 17. axb3 Qd8 18. Rf2 Nc5 19. Rd2 Bxd5 20. exd5 {0-1 (64) Shchekachev,A (2515)-Maghsoodloo,P (2676) Europe Echecs INT 2020}) 14. g4 ({White should try} 14. Qe1 $1) 14... Be8 15. Qe1 Nd7 {[%cal Oa4a3]} 16. Qf2 (16. a3 $142) 16... Nc5 (16... a3 $142) 17. Rfd1 $2 (17. Bxc5 dxc5 18. e5 Rd2 19. Qxc5 Rad8 $11) ({White should play} 17. a3 $16) 17... a3 $1 $11 18. bxa3 {[%cal Oe4e5]} Na7 (18... Bxc3 $14 19. Nxc3 Qxa3) 19. e5 $1 $16 (19. Bxc5 $6 dxc5 20. e5 (20. Qxc5 $2 Rxd1+ 21. Rxd1 Bxc3 $19) 20... Nxb5 21. Nxb5 Rxd1+ 22. Rxd1 Bxb5 23. cxb5 Qxa3 $15) 19... Nxb5 20. cxb5 (20. Nxb5 Ne4 21. Qe1 Qxe1+ 22. Rxe1 dxe5 $15) 20... Qxa3 21. Nd5 {[%csl LRc5,LRe7][%cal Bc3d5,Bd5b6,Bb6c4][%mdl 32]} Kh8 22. Nb6 ({But not} 22. Bxc5 dxc5 23. Rxc5 Bf8 $14) 22... Rab8 23. Nc4 {White is more active.} ({Of course not} 23. Bxc5 $6 dxc5 24. Rxc5 Rxd1+ 25. Bxd1 Qxh3 $11) 23... Qxa2 (23... Qa8 $142) 24. Ra1 $1 ({Not} 24. exd6 Ne4 25. Qf3 Nxd6 $15) 24... Qb3 25. Rdb1 $36 {[%mdl 3072] White has strong compensation. White is really pushing.} Qc2 (25... Ra8 $16) 26. Rc1 (26. Rb2 $1 $18 {[%cal Rb2c2]} Qe4 27. Nd2) 26... Qb3 {[#]} 27. Rcb1 (27. Ra3 $1 $16 {[%cal Ra3b3]} Qb4 28. Qf1) 27... Qc2 $18 {[#] And now ...Ne4 would win.} 28. Rc1 $2 {Weighted Error Value: White=0.37/Black=0.26 (precise)} (28. Rb2 $1 $18 {[%cal Rb2c2]} Qe4 29. Nd2) 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.14"]
[White "Quesada Perez, Luis Ernesto"]
[Black "Gongora Montes, Benjamin"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2517"]
[BlackElo "2157"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,122,30,16,51,24,32,29,35,43,73,34,59,59,58,55,42,46,70,54,85,25,60,54,128,134,448,443,470,485,577,380,388,374,362,161,161,161,161,68,73,73,75,73,73,0,69,69,67,68,69,66,73,66,83,84,83,92,92,87,80,93,96,69,68,64,74,63,54,8,8,8,8,0,0,0,8,8,8,0,82,82,82,8,8,0,8,8,29,38,39,53,169,169,318,325,609,595,608,593,593,552,720,708,912,889,2013,2062,1897,1732,1400,1246,981]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 {7.Nf3 is becoming the main line.} b6 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 8. Bb5+ c6 {[#]} 9. Bc4 $146 ({Predecessor:} 9. Bd3 Ba6 10. Nf3 O-O 11. O-O c5 12. Bxa6 Nxa6 13. Qe2 cxd4 14. cxd4 Nc7 15. Rac1 {½-½ (36) Ghaem Maghami,E (2593)-Moradiabadi,E (2575) Guangzhou 2010}) 9... Qd7 {White has an edge.} 10. Qe2 O-O 11. Nf3 Qg4 12. Bg5 (12. e5 {feels hotter.} Qxg2 13. Rg1 Qh3 14. Ng5 Qh4 15. Bd3) 12... Be6 (12... Qxg2 13. Rg1 Qh3 14. Bxe7 $16) 13. Bxe6 (13. Bxe7 $2 Bxc4 14. Qxc4 Qxe4+ 15. Qe2 Qxe2+ 16. Kxe2 Re8 $19) 13... Qxe6 14. O-O Nd7 15. c4 f5 16. Rfe1 (16. e5 $16) 16... fxe4 17. Qxe4 Qxc4 (17... Qxe4 $14 18. Rxe4 c5) 18. Rac1 $16 {[%mdl 64] Skewer} (18. Qxe7 $6 Qd5 $11) (18. Bxe7 Rfc8 $14) 18... Qxa2 {[%mdl 8192]} (18... Qf7 $16 {is a better chance.}) 19. Qxc6 $18 Nf6 (19... Bxd4 $2 20. Rc2 (20. Nxd4 Qxf2+ 21. Kh1 Qxd4 $16) (20. Qxd7 Bxf2+ 21. Kh1 Bxe1 $16) 20... Qa5 21. Qc4+ (21. Qxd7 Rxf3 22. Rxe7 Rf7 $11) 21... e6 22. Qxd4 $18) 20. Rxe7 Nh5 21. d5 Rad8 22. d6 h6 23. Rxg7+ Nxg7 24. Bxd8 ({Don't do} 24. Bxh6 $6 Qe6 $14) 24... Rxd8 {[%cal Bf8d8,Bd8d6,Bd6e6][%mdl 32] [#]} 25. Qc7 (25. Re1 $1 $18) 25... Ne6 $14 26. Qe7 {White is more active.} Qd5 27. Re1 Rxd6 28. h4 ({White should play} 28. Qxa7 $16 Nf8 29. h3) 28... Nf8 (28... a5 $11) 29. Qxa7 Re6 30. Rc1 Rc6 31. Rb1 Qa5 32. Qb8 Re6 33. Qf4 Qf5 34. Qxf5 gxf5 $16 {[%mdl 4096] Endgame KRN-KRN} 35. Nd4 {[%csl LRe6,LRf5]} Rf6 36. Rb5 f4 37. Kh2 Kf7 38. Kh3 Nd7 $1 39. Rd5 Nc5 {[%cal Of4f3]} 40. h5 (40. f3 $14 {feels stronger.}) 40... Ne4 $11 41. f3 Nc3 42. Rd7+ Ke8 43. Rb7 Rd6 44. Nf5 Rf6 45. Re7+ Kd8 (45... Kf8 $1 $11 46. Re5 b5) 46. Re5 $16 b5 47. Kg4 (47. Nd4 $16) 47... b4 $11 {...b3 is the strong threat.} 48. Nd4 Rd6 49. Nb3 Nd5 50. Kf5 Rf6+ 51. Ke4 Ne3 (51... Nc3+ $14 52. Kd4 Kc7) 52. g4 $18 Nf1 {[#]} (52... Nc4 $142) 53. Rb5 $1 Nh2 $2 (53... Ke7 54. Nd4 Nd2+ 55. Ke5 Nc4+ 56. Kd5 Ne3+ 57. Ke4 Rd6 58. Rxb4 Kf6) 54. Nd4 {White is clearly winning.} Nf1 55. Rxb4 Nd2+ 56. Ke5 Rf7 57. Ra4 Re7+ 58. Kxf4 Rd7 59. Ra8+ Ke7 60. Nf5+ Ke6 61. Ra6+ Kd5 {Weighted Error Value: White=0.20 (precise) /Black=0.36} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.15"]
[White "Garcia de Dios, Jose Antonio"]
[Black "Henderson de La Fuente, Lance"]
[Result "1/2-1/2"]
[ECO "A95"]
[WhiteElo "2145"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,76,38,27,36,33,44,33,38,29,61,33,35,0,0,0,11,15,16,16,20,10,35,12,37,27,19,23,22,23,13,20,28,19,9,10,14,18,11,25,20,0,11,0,0,0,44,0,0,0,0,5,462,-61,0,0,0,0,0,0,-2,-2,39,0,0]} 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. Nf3 d5 7. O-O c6 8. b3 b6 {A95: Classical Dutch: Classical Stonewall: 7 Nc3 c6.} 9. Bb2 Bb7 10. Rc1 Bd6 {White is slightly better.} 11. Qc2 {[#]} a6 $146 ({Predecessor:} 11... Nbd7 12. cxd5 cxd5 13. Nb5 Qe7 14. Nxd6 Qxd6 15. Qc7 Qxc7 16. Rxc7 Ba6 17. Rfc1 Bxe2 {1-0 (40) Solon,N (2306)-Bueno,A (2145) Chess.com INT 2021}) 12. Ne5 Nbd7 13. cxd5 cxd5 14. Nd3 Rc8 15. f3 Qe7 16. Qd2 b5 17. Rc2 Rcd8 18. Nd1 e5 19. dxe5 (19. Qg5 {is more complex.} e4 20. Nf4 exf3 21. exf3 Rc8 22. Rxc8 Bxc8 23. Nd3) 19... Nxe5 20. Nxe5 Bxe5 21. Bd4 Rc8 22. Rxc8 Rxc8 23. Ne3 g6 24. Rd1 f4 {[#] ...Bxd4 is the strong threat.} 25. Bxe5 Qxe5 26. gxf4 Qxf4 27. Ng4 Qd6 28. Qd4 Nxg4 29. fxg4 Re8 (29... Rc2 $11 {deserves consideration.}) 30. e4 (30. e3 $14) 30... Qf4 $1 $11 {[%cal Rd5e4]} 31. Rf1 Qe5 32. Qa7 Qe6 $2 {[%mdl 8192] [#]} 33. Qd4 $2 ({White has to play} 33. Qxb7 $18 dxe4 34. Rf4) 33... Qxg4 ({Black should try} 33... dxe4 $15 34. g5 Qe7) 34. Qa7 Re7 35. Qb8+ Qc8 36. Qxc8+ Bxc8 37. exd5 Rd7 (37... Re2 $11) 38. Bh3 (38. Rc1 $5 {[%cal Rc1c8]} Bb7 39. Bh3 $11) 38... Rd8 {Weighted Error Value: White=0.28 (precise) /Black=0.29 (precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.16"]
[White "Rodriguez Vila, Andres"]
[Black "Luna Javier, Edgar Froylan"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2461"]
[BlackElo "2148"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,125,-5,0,-21,40,14,23,24,48,6,12,0,0,0,0,6,3,-15,-10,-22,-5,-7,0,0,0,-31,23,29,25,0,0,-1,45,43,39,44,45,24,35,24,31,27,45,0,0,0,0,0,0,0,11,11,11,11,11,0,0,0,47,0,42,38,38,0,0,0,0,0,0,0,0,0,0,0,86,86,86,13,13,13,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-28000,-28000]} 1. f4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. d3 d5 7. Qe1 Nc6 8. h3 {[#] A03: Bird's Opening with 1...d5.} e5 $146 (8... d4 $11) ({Predecessor:} 8... d4 9. Na3 Nd5 10. Nc4 b6 11. Bd2 Bb7 12. c3 e6 13. Rc1 Rc8 14. Qf2 Nde7 15. a4 Ba6 {½-½ (40) Svidler,P (2743)-Jakovenko,D (2745) Kazan 2014}) 9. Nxe5 Nxe5 10. fxe5 {White has an edge.} Ne8 11. Nc3 (11. e4 $14) 11... Be6 $11 12. e4 {[%cal Re4d5]} d4 13. Nd5 {[%cal Od5f6]} Bxe5 14. Bh6 Ng7 15. Nf4 Qd6 16. Rf3 Rac8 17. Qf2 b5 18. a4 a6 19. Kh2 c4 (19... Bd7 $15) 20. axb5 axb5 21. Rf1 (21. Nxe6 {keeps more tension.} fxe6 22. h4 Rxf3 23. Bxf3 Rf8 24. Kg2) 21... Ra8 22. Nxe6 fxe6 (22... Qxe6 $11 23. Qd2 f6) 23. Rxf8+ $14 Rxf8 24. Qxf8+ Qxf8 25. Rxf8+ Kxf8 26. dxc4 bxc4 $11 {[%mdl 4096] Endgame KBB-KBN} 27. Bf1 c3 28. b3 (28. bxc3 $14 dxc3 29. Kg2) 28... Ke7 29. Kg2 Nh5 30. Bg5+ Bf6 31. Bc1 Be5 32. g4 Nf4+ 33. Kf3 g5 34. h4 h6 35. b4 Bd6 (35... Kf6 $11) 36. b5 (36. hxg5 $14 {might be stronger.} hxg5 37. e5 Bxe5 38. Ke4) 36... e5 (36... d3 $11 37. cxd3 e5 38. hxg5 hxg5) 37. hxg5 hxg5 38. b6 (38. Bxf4 $5 gxf4 39. g5 $11) 38... Kd7 39. Bb5+ Kc8 40. Ba6+ Kb8 41. Bxf4 exf4 {KB-KB} 42. Ke2 Bc5 43. b7 Kc7 (43... Bd6 $11) 44. e5 $16 Ba7 45. Kf3 ({Better is} 45. e6 $16) 45... d3 $1 $11 46. Bxd3 Kxb7 47. Ke4 Kc6 48. Kf5 Kd5 49. e6 {[#] White wants to mate with e7.} Bc5 50. Kf6 {Threatens to win with e7.} f3 51. Ba6 {Black must now prevent Bb7+.} f2 52. Be2 Ke4 53. Kxg5 {[#] aiming for Kf6.} Ke5 54. Bc4 Kd4 55. Bd3 Ke5 56. Kh6 Kxe6 57. g5 {[%cal Bg4g5,Bg5g6][%mdl 32]} Ke5 58. g6 {g7 is the strong threat.} Bf8+ 59. Kg5 Be7+ 60. Kg4 {Hoping for g7.} Kf6 61. Kf3 f1=Q+ $4 {[%mdl 8192]} (61... Bc5 $11) 62. Bxf1 Kxg6 63. Ke2 {[%mdl 32768] Weighted Error Value: White=0.10 (very precise) /Black=0.11 (very precise) . An unexpected result.} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.17"]
[White "Vega Garcia, Jorge Arturo"]
[Black "Cardoso Cardoso, Jose Gabriel"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2121"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,73,0,-26,-15,-20,-20,-45,-46,-49,-14,-30,-30,-27,-22,-19,-24,-45,-30,-37,-29,-29,-30,-30,-33,-27,-29,-35,-35,-47,-51,-64,-32,-35,-33,-33,-30,-39,-33,-75,-11,-8,0,0,8,8,8,8,8,8,8,8,8,8,8,8,37,32,38,0,50,47,43,10,10,10]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 dxc4 5. Qa4+ Nbd7 6. Qxc4 {[%cal Oe2e4]} c5 {D30: Queen's Gambit Declined: Systems without Nc3.} 7. e3 a6 8. a4 {Prevents b5.} cxd4 {[#] Black is slightly better.} 9. Qxd4 $146 ({Predecessor:} 9. exd4 Nb6 10. Qb3 Nbd5 11. Bc4 Bb4+ 12. Nc3 Qa5 13. Bd2 O-O 14. O-O Nb6 15. Bd3 {1-0 (52) Thurmer,J (2028)-Jeszenszky,J (2107) Hungary 2017}) 9... Bc5 (9... Qa5+ {feels hotter.} 10. Nc3 e5 11. Qc4 Bb4 12. Be2 h6) 10. Bxf6 Qxf6 11. Qxf6 Nxf6 12. Nbd2 Ke7 {[%cal Be8e7,Be7f6,Bf6e6][%mdl 32]} 13. Bd3 Bd7 14. Ke2 Rhd8 15. Rhc1 Rac8 16. Ne4 Bb4 17. Nxf6 Kxf6 18. b3 e5 19. h3 Be6 {A strong pair of Bishops.} 20. Bc4 Bxc4+ (20... Bf5 {seems wilder.} 21. Rd1 Bc2 22. Rxd8 Rxd8 23. h4 h6) 21. Rxc4 Rxc4 22. bxc4 $15 {[%mdl 4096] Endgame KRB-KRN} Ke6 23. Rb1 a5 24. Rd1 (24. Ng5+ $15 {is more appropriate.} Ke7 25. Rd1) 24... Rc8 (24... Rxd1 $17 25. Kxd1 f5) 25. Rd5 $11 Rxc4 26. Rxe5+ Kd7 {[#]} 27. Rxa5 $1 Rc2+ 28. Kd1 {aiming for Rb5.} Rxf2 29. Rb5 {[%csl LRb4,LRb7]} Bd6 30. Rxb7+ Bc7 31. Nd4 {[#] Nb5 is the strong threat.} Kc8 32. Ra7 Bb8 33. Re7 Bd6 34. Re4 (34. Ke1 $5 {[%cal Re7e8]}) 34... g6 (34... Rxg2 $11 35. Nb5 Bc5) 35. g4 Kd7 36. Nb5 {And now Rd4 would win.} Bc5 {To avoid Rd4+} 37. Rf4 {Weighted Error Value: White=0.10 (very precise) /Black=0.10 (very precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.18"]
[White "Diaz Perez, Michel Alejandro"]
[Black "Alfaro Caracas, William Amaro"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2459"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,72,27,15,16,24,25,38,35,14,62,0,72,67,54,50,55,49,273,276,275,283,262,281,274,259,412,266,273,243,359,200,207,213,204,195,192,192,215,218,202,175,231,247,243,228,283,279,264,266,325,349,351,347,424,420,461,453,663,654,838,734,832,791,1127]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Qc7 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} 7. Nc3 {[#] 7.0-0 is the fancy move.} a5 $146 ({Predecessor:} 7... b6 8. O-O h6 9. Be3 g5 10. Nd2 Be6 11. a4 a5 12. f4 gxf4 13. Bxf4 Be5 {½-½ (46) Aravindh,C (2598)-Maghsoodloo,P (2665) Xingtai 2019}) 8. Be3 b6 $1 {White is slightly better.} 9. Qd2 {[%cal Oe4e5]} a4 (9... e5 $1 $11 {might be stronger.}) 10. a3 (10. e5 $14) 10... h6 (10... e5 $1 $11) 11. e5 (11. Nh2 {is more complex.} e5 12. f4 exf4 13. Bxf4 Qe7 14. Nf3) 11... Bxe5 12. Nxe5 Qxe5 13. O-O-O Qg7 $2 {Black cannot hold the game after this.} ({Better is} 13... Be6 $14) 14. d4 $18 Be6 15. d5 (15. dxc5 $6 b5 16. Na2 f6 $18) 15... Rd8 16. Qe2 $1 cxd5 {[#]} (16... Bxd5 $2 17. Nxd5 cxd5 18. Qb5+ Kf8 19. Qxb6 $18) 17. Qb5+ $1 (17. Nxa4 Qe5 $11) 17... Bd7 (17... Kf8 {keeps fighting.}) 18. Qxb6 d4 19. Nd5 {aiming for Bf4.} ({Not} 19. Ne4 dxe3 20. Rhe1 Nf6 21. Nd6+ exd6 $17) 19... Rc8 (19... dxe3 $2 20. Nc7+ Kf8 {[#]} 21. Rxd7 $1 $18 {[%mdl 512]}) (19... Qe5 $142 20. Qxc5 Rc8 21. Qxd4 (21. Bxd4 Rxc5 22. Bxe5 f6 $18) 21... Qxd4 22. Bxd4 f6) 20. Nc7+ (20. Bf4 $142) 20... Kf8 {Hoping for ...Qe5.} 21. Qxc5 Qf6 22. Bxd4 ({Much less strong is} 22. Rxd4 Qc6 23. Qxc6 Bxc6) 22... Qf4+ 23. Kb1 {Threatens to win with Be5.} Qxc7 (23... Rxc7 $2 24. Qe5 Qxe5 25. Bxe5) 24. Qxc7 Rxc7 25. Be5 $36 {[%mdl 2048] White is on the roll.} Rb7 (25... Ra7 $142) 26. Bxh8 f6 27. g4 Bc6 28. Rd8+ Kf7 29. Rhd1 e6 30. R1d4 Ne7 31. Rb4 Rxb4 32. axb4 {[%cal Ba3b4,Bb4b5,Bb5b6][%mdl 32]} g5 33. c4 {White is clearly winning.} Bg2 (33... Be4+ $142 34. Kc1 Nc6) 34. b5 Bf1 35. b6 {White threatens b7 and mate.} Bg2 36. Rd7 e5 {Weighted Error Value: White=0.18 (very precise) /Black=0.54} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.19"]
[White "Limon Olmos, Ivan Alonso"]
[Black "Ibarra Chami, Luis Fernando"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "2106"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,50,3,39,1,6,-2,-4,-22,-18,-34,-20,-70,-56,-53,-56,-54,-66,-100,-100,-548,-514,-557,-539,-560,-559,-627,-562,-560,-449,-437,-447,-451,-453,-416,-431,-443,-412,-461,-450]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. Bf4 Nxc3 7. bxc3 dxc4 {[%cal Oc7c5]} 8. Qa4+ {D91: Grünfeld: 4 Nf3 Bg7 5 Bg5.} Nd7 9. e3 O-O 10. Qxc4 {The position is equal.} c5 {[%cal Bc7c5,Bc5d4][%mdl 32]} 11. Be2 cxd4 12. Bc7 {[#]} ({Much weaker is} 12. cxd4 Qa5+ 13. Kf1 e5 14. Nxe5 Nxe5 15. dxe5 Bxe5 16. Bxe5 Qxe5 $17) (12. exd4 $11 Nb6 13. Qc5) 12... b5 $146 ({Predecessor:} 12... Qe8 13. cxd4 Nf6 14. O-O Be6 15. Qb4 Nd5 16. Qxb7 Qd7 17. Bc4 {0-1 (17) Mendez Tovar,J (2035)-Corrales Jimenez,Z (2221) Mexico City 2021}) 13. Qc6 {[#]} Nb8 $1 14. Qc5 (14. Qxa8 $2 {loses.} Qxc7 15. O-O d3 16. Bxd3 Nc6 $19) 14... Qd7 15. Bxb5 Na6 16. Bxa6 $2 {[%mdl 8192]} (16. Bxd7 $17 {was the crucial defense.} Nxc5 17. Bc6 dxe3 18. Bxa8 Bxc3+ 19. Ke2 Ba6+ 20. Kxe3 Bxa1 21. Rxa1 Rxa8 22. Ba5) 16... Bxa6 $19 17. cxd4 Rfc8 18. Rc1 {[#]} Rab8 $1 {[%cal Ba8b8,Bb8b7,Bb7c7][%mdl 544]} 19. Rg1 (19. Bxb8 Rxc5) 19... Rb7 20. Qa5 Rcxc7 21. Rxc7 Qxc7 22. Qxc7 Rxc7 23. Kd2 {Inhibits Rc2+.} Bb7 24. Rb1 Bf6 25. Ne1 e5 {White got outplayed after the opening.  Weighted Error Value: White=0.70/Black=0.17 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.20"]
[White "Fernandez Sanchez, Mario Andres"]
[Black "Sanchez Alvarez, Roberto Carlos"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2093"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,52,0,0,0,10,0,0,0,0,0,0,-11,62,62,62,-62,-79,-78,-72,-79,-74,-104,-74,-123,-124,-125,-109,-136,-130,-231,-258,-526,-504,-593,-586,-719,-726,-1130,-1104,-1577,-1521,-6510,-5990,-2808,-2320]} 1. d4 {[%cal Bd2d4,Bd4c5][%mdl 32]} Nf6 2. Bf4 d5 3. e3 c5 4. Nf3 Nc6 5. Nbd2 Qb6 {[%csl LRb2,LRd4]} 6. dxc5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Qxb2 7. Rb1 Qc3 8. Bb5 {The position is equal.} e6 9. O-O Be7 10. e4 {[#] Threatens to win with exd5.} Qxc5 (10... O-O $11) 11. Be3 $14 Qa3 {[#]} 12. e5 $146 (12. Ne5 $1 $14 O-O 13. Nxc6 bxc6 14. Bxc6) ({Predecessor:} 12. Ne5 O-O 13. Nxc6 bxc6 14. Bxc6 Ba6 15. e5 Ne4 16. Nxe4 dxe4 17. Bxa8 Bxf1 18. Qxf1 Rxa8 {½-½ (44) Abasov,N (2656)-Maurizzi,M (2488) Reykjavik 2021}) 12... Nd7 $15 {[%cal Bf6d7,Bd7c5,Bc5b3][%mdl 32]} 13. c4 O-O 14. Bf4 Nc5 15. Re1 Bd7 16. Bg5 ({White should try} 16. Nb3) 16... Bxg5 $17 {Black is more active.} ({Don't play} 16... Qxa2 $6 17. Ra1 Qb2 18. Rb1 $11) 17. Nxg5 h6 {[%cal Bh7h6,Bh6g5][%mdl 32]} 18. Re3 Qxa2 19. Nb3 (19. Ra1 $17 {was necessary.} Qb2 20. Ngf3) 19... Nxb3 $19 ({Worse is} 19... hxg5 20. Nxc5 Be8 21. Nxb7 $11) 20. Rbxb3 (20. Rexb3 {is the only way for White.} dxc4 21. Bxc4) 20... hxg5 {Black is clearly winning.} 21. Ra3 Qb2 {[%cal Oc6d4]} 22. Bxc6 Bxc6 23. h4 dxc4 24. Qh5 Rfd8 {[#] aiming for ...Rd2.} 25. Qxg5 Rd1+ 26. Kh2 Qxf2 {Weighted Error Value: White=1.14/Black=0.09 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.21"]
[White "Perez Gormaz, Matias"]
[Black "Martinez Morales, Geovanni"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2404"]
[BlackElo "2098"]
[Annotator "RC"]
[PlyCount "59"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:06]} e6 {[%emt 0:00:07]} 2. d4 {[%emt 0:01:27]} d5 {[%emt 0:00:10]} 3. Nc3 {[%emt 0:01:38]} Bb4 {[%emt 0:00:53]} 4. e5 {[%emt 0:00:31]} c5 {[%emt 0:01:28]} 5. a3 {[%emt 0:00:24]} Bxc3+ {[%emt 0:00:07]} 6. bxc3 {[%emt 0:00:09]} Ne7 {[%emt 0:00:11]} 7. Qg4 {[%emt 0:00:10]} Qc7 {[%emt 0:00:05]} 8. Bd3 {[%emt 0:00:16]} cxd4 {[%emt 0:04:41]} 9. Ne2 {[%emt 0:01:01]} dxc3 {[%emt 0:01:00]} 10. Qxg7 {[%emt 0:00:32]} Rg8 {[%emt 0:00:08]} 11. Qxh7 {[%emt 0:00:30]} Nbc6 {[%emt 0:00:56]} 12. Bf4 {[%emt 0:00:39]} Bd7 {[%emt 0:04:39]} 13. O-O {[%emt 0:00:11]} O-O-O {[%emt 0:04:18]} 14. Qxf7 {[%emt 0:05:54]} Rdf8 {[%emt 0:00:57]} 15. Qh5 {[%emt 0:00:13]} Rh8 {[%emt 0:06:23]} 16. Qg4 {[%emt 0:05:20]} Rhg8 {[%emt 0:00:59]} 17. Qh3 {[%emt 0:00:23]} d4 {[%emt 0:18:36]} 18. Bg3 {[%emt 0:08:22]} Nf5 {[%emt 0:04:20]} 19. Bxf5 {[%emt 0:01:44]} Rxf5 {[%emt 0:00:16]} 20. Rfd1 {[%emt 0:02:17]} Qb6 {[%emt 0:23:51]} 21. Rab1 {[%emt 0:00:59]} Qc5 {[%emt 0:00:20]} 22. Qh4 {[%emt 0:02:38]} Rxe5 {[%emt 0:13:07]} 23. Bxe5 {[%emt 0:26:02]} Nxe5 {[%emt 0:01:29]} 24. Nxd4 {[%emt 0:02:04]} Bc6 {[%emt 0:07:06]} 25. Qh3 {[%emt 0:03:30]} Rxg2+ {[%emt 0:02:21]} 26. Qxg2 {[%emt 0:00:27]} Bxg2 {[%emt 0:00:09]} 27. Nxe6 {[%emt 0:00:20]} Nf3+ {[%emt 0:01:32]} 28. Kxg2 {[%emt 0:00:08]} Nh4+ {[%emt 0:00:45]} 29. Kg1 {[%emt 0:00:12]} Nf3+ {[%emt 0:01:09]} 30. Kh1 {[%emt 0:00:06]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.22"]
[White "Ruiz Perez, Juan Octavio"]
[Black "Valdes Romero, Leonardo"]
[Result "1/2-1/2"]
[ECO "B77"]
[WhiteElo "2074"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,115,22,54,15,35,27,67,60,79,85,102,106,90,76,79,93,85,101,135,129,139,47,57,39,116,118,153,-24,-17,-17,-22,-85,0,14,43,27,35,35,34,8,18,18,19,27,27,19,36,27,32,35,45,17,18,0,0,0,0,0,0,0,0,-9,0,0,0,0,0,0,0,0,0,0,0,-45,-63,-68,14,14,13,0,16,14,14,14,14,14,14,14,14,14,16,16,16,0,0,0,16,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 d6 9. f3 Bd7 10. Qd2 Na5 11. g4 {B77: Sicilian Dragon: Yugoslav Attack, 9 Bc4 sidelines.} Nxb3 {11...Nxb3 is better than 11...Rb8.} 12. axb3 Qb8 {[%cal Od6d5]} 13. h4 {[%cal Bh2h4,Bh4h5][%mdl 32] White is slightly better.} b5 14. h5 b4 {[#]} 15. Nd5 {White is more active.} Nxd5 16. exd5 {[#]} Qb7 $146 ({Predecessor:} 16... Bh8 17. O-O-O Qb7 18. Qh2 g5 19. Bxg5 Be5 20. Qh4 Rfe8 21. Nf5 Bxf5 22. gxf5 h6 23. Bxh6 a5 24. Be3 Rec8 25. Qg4+ Kf8 26. h6 {1-0 (26) Bastianelli,G-Sousa,C ICCF email 2002}) 17. Bh6 $36 {[%mdl 2048] White is in control.} Be5 18. O-O-O Qxd5 19. Bxf8 Rxf8 20. Kb1 (20. Qg5 $16) 20... Qc5 $14 21. Ne2 {Black must now prevent Nf4.} Rc8 ({Black should try} 21... Bc6 $1 $14) 22. hxg6 $16 fxg6 {[#]} 23. Qd5+ $2 {Dancing on a razor blade.} (23. Nc1 $1 $16 {[%cal Rc1d3]}) 23... Qxd5 $11 24. Rxd5 Rf8 25. Ra5 (25. Rd3 $11) 25... a6 ({Black should play} 25... Bc6 $17) 26. Rd1 {[%cal Oa5e5] Threatens to win with Rxe5!} ({Don't blunder} 26. Rxa6 $2 Bb5 27. Ra7 Bxe2 28. Rxe7 Bxf3 29. Rhxh7 Bxg4 $19) 26... Bc6 (26... Bg7 $5 {[%cal Rf8f3]}) 27. Nd4 Bxf3 28. Nxf3 Rxf3 {[%mdl 4096] Endgame KRR-KRB} 29. Rg1 g5 30. Rxa6 Rf4 31. Rc6 Kf7 32. Rc4 d5 33. Rc6 Bf6 34. c3 Kg6 35. cxb4 Rxb4 36. Kc2 h5 37. gxh5+ Kxh5 38. Rc5 e6 39. Re1 Rb6 40. Rf1 Kg6 41. Rc8 Bg7 42. Rc7 g4 43. Rg1 Be5 44. Rc8 ({Wrong is} 44. Rxg4+ $2 Kf5 45. Rgg7 Bxg7 46. Rxg7 e5 $19) 44... g3 45. Rg8+ Kf7 46. Rg5 (46. Rg4 $11) 46... Kf6 $15 {[%mdl 1024] Black has compensation.} 47. Rg8 d4 ({Better is} 47... Rb4 $15) 48. Rf1+ $11 {The position is equal.} Ke7 49. Re1 Rb5 50. Rg5 Kf6 51. Rh5 g2 {[%cal Oe5g3] Hoping for ...Bg3!} 52. Rg1 d3+ {[%mdl 64] Decoy} 53. Kxd3 {aiming for Kc4.} Rxb3+ 54. Ke4 Rb4+ 55. Kf3 Rb3+ 56. Ke4 Rb4+ 57. Kf3 Rb3+ 58. Ke4 {Weighted Error Value: White=0.15 (very precise) /Black=0.14 (very precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.23"]
[White "Jimenez Garcia, Emmanuel"]
[Black "Avila Bautista, Roberto Alejandro"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2403"]
[BlackElo "2090"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,96,7,27,22,21,14,13,11,17,24,24,24,18,10,82,81,87,83,91,87,80,87,106,112,114,97,113,121,121,120,114,114,122,122,122,123,124,123,115,114,139,139,143,132,155,153,152,156,155,152,147,149,149,151,157,155,150,157,163,165,182,175,168,158,214,203,277,242,214,200,216,208,517,506,601,601,601,601,787,747,1441,1354,1107,1081,29976,29977,29966,10349,2905]} 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 O-O 5. Bg2 c5 6. c4 {A05: Réti Opening: 1 Nf3 Nf6.} b6 7. d4 {[#]} cxd4 $146 ({Predecessor:} 7... Bb7 8. O-O cxd4 9. Nxd4 Bxg2 10. Kxg2 d5 11. cxd5 Qxd5+ 12. Nf3 Qb7 13. Nbd2 Nbd7 14. Rc1 Nc5 15. b4 Ne6 16. Qb3 Rfd8 17. Kg1 Rac8 18. Rxc8 Rxc8 {0-1 (55) Ehlvest,J (2532)-Sunilduth Lyna,N (2536) St Petersburg 2016}) 8. Nxd4 {The position is equal.} d5 $1 9. Nc3 {[%cal Rc3d5]} Bb7 10. O-O Qd7 11. Nc2 {[%cal Rc3d5]} Rd8 (11... Ne4 $11 12. Bxe4 (12. Nxd5 Bxb2 13. Bxe4 Bxa1 $11) 12... dxe4) 12. Qc1 $16 {White now steadily converts the win.} d4 {[#]} 13. Nxd4 $1 {[%cal Od4e6] Ne6! is the strong threat.} Bxg2 14. Kxg2 {[%cal Of2f3]} Qb7+ (14... Qxd4 $2 15. Rd1 Nc6 16. Rxd4 Nxd4 17. f3 $18) 15. Nf3 e5 16. Rd1 Nc6 17. e4 ({Don't do} 17. Nd5 Nxd5 18. cxd5 Nd4 $14) 17... Nd4 18. Nxd4 exd4 19. Nd5 Nxe4 20. Bxd4 Bxd4 21. Rxd4 Nf6 {[%cal Rf6d5]} 22. Qg5 Rd6 23. Rad1 Re8 24. Qf4 Nxd5 25. Rxd5 Rde6 26. Qf3 {White is more active.} Qc6 27. Rd8 Qxf3+ 28. Kxf3 {[%mdl 4096] Endgame KRR-KRR} Rf6+ 29. Kg2 Kf8 30. R1d7 {Hoping for Rxe8+.} Rxd8 31. Rxd8+ {KR-KR} Ke7 32. Rb8 a5 33. Rb7+ Kf8 34. a4 Rd6 35. h4 Kg7 36. Kf1 Kf6 (36... Re6 $16 {was called for.} 37. g4 h5) 37. Ke2 $18 h5 38. Ke3 Ke6 39. Rc7 f6 40. f3 Kf5 $2 (40... Ke5 {is a better chance.} 41. Ra7 Rc6) 41. c5 {[%cal Bc4c5,Bc5c6,Bc6c7][%mdl 32]} Re6+ 42. Kd4 g5 43. hxg5 {Threatens to win with c6.} fxg5 44. c6 h4 45. gxh4 gxh4 46. Rc8 {Intending Rf8+ and mate.} Rf6 {Inhibits Rf8.} 47. c7 Rf7 48. Kd5 {Kc6 would kill now.} h3 {Weighted Error Value: White=0.02 (flawless) /Black=0.39} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.24"]
[White "Ortiz Verdezoto, Anahi"]
[Black "Diaz Rosas, Julio Cesar"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2047"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,94,0,0,39,39,47,43,51,42,57,55,54,53,61,45,45,30,45,45,37,40,44,0,54,27,25,9,25,9,21,15,14,13,23,14,131,77,63,36,88,0,0,0,0,0,52,0,0,0,0,-31,-34,-244,-235,-495,-528,-494,-84,-70,-65,-734,-366,-416,-86,-191,0,-413,-189,-1152,-1110,-1129,-1034,-29986,-29987,-29987,-29988,-29998,-29999]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. h3 O-O 8. Nf3 c5 9. Be2 Nc6 10. Be3 Qc7 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 11. O-O Rd8 {[#]} 12. d5 $146 ({Predecessor:} 12. Rc1 Na5 13. Qd2 a6 14. Bf4 e5 15. Bg3 Qe7 16. Rfd1 Nc6 17. d5 f6 18. Qb2 {1-0 (39) Laurusas,T (2518)-Pedoson,G (2166) Viljandi 2021}) 12... b6 {White is slightly better.} 13. c4 e5 14. Bg5 f6 15. Bd2 Na5 16. Qc1 Nb7 17. Bh6 Bh8 18. Bd3 Nd6 19. Re1 Re8 20. h4 (20. Bd2 $14 {deserves consideration.}) 20... Qd7 (20... f5 $11) 21. a3 Qg4 22. Ra2 Qh5 23. Bd2 Bg7 24. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Bg4 25. Nh2 Qxh4 26. a5 g5 (26... Rab8 $1 $11) 27. Qa1 (27. Qb1 $142) 27... Rab8 $16 28. Rb1 Bd7 ({Black should play} 28... b5 $14) 29. Nf3 ({Better is} 29. axb6 $16 axb6 30. Ra7) 29... Qh5 $11 30. axb6 axb6 31. Ra6 Nc8 (31... Bg4 $11 32. Raxb6 (32. Rbxb6 Bxf3 33. Rxd6 Bxg2 $11) 32... Rxb6 33. Rxb6 Bf8) 32. Ba5 g4 33. Nh2 f5 {[%cal Og4g3] ...g3! is the strong threat.} 34. Bxb6 (34. Nf1 $5 {[%cal Ra5b6]}) 34... fxe4 35. Bxe4 {[#]} ({Only move:} 35. Bxc5 $15 exd3 36. Rxb8) 35... Nd6 36. Re1 (36. Ba7 g3 37. fxg3 (37. Rxd6 $2 Qxh2+ 38. Kf1 Bg4 $19) 37... Rxb1+ 38. Qxb1 Nxe4 39. g4) 36... Nxe4 $19 37. Rxe4 Bf5 $2 (37... Qg6 $19 38. Qe1 g3 39. fxg3 Bf5) 38. Re3 $17 e4 $36 {[%mdl 2048] Black is more active.} 39. Qa3 {[%mdl 8192] [#]} (39. Qa5 $15) 39... Bd4 (39... Bc8 $142 40. Nf1 Bxa6 41. Qxa6 Qh6) 40. Nf1 Rec8 (40... Bc8 $19 41. Bc7 (41. Ng3 $2 Qh6 $19) 41... Bxa6 42. Bxb8 Bxc4) 41. Re1 (41. Ba5 $17) 41... Qf7 $2 ({And not} 41... Qh4 42. g3 Qh5 43. Ne3 $11) (41... e3 $19 42. Rxe3 (42. fxe3 $2 Be5 $19) (42. Nxe3 $2 g3 $19) 42... Qh4) 42. Ne3 {[%mdl 8192]} (42. Rd1 $1 $11) 42... Bd7 {This bishop pair is nice.} (42... g3 $142 43. fxg3 Qh5) 43. Rf1 (43. g3) 43... g3 $1 $19 44. fxg3 Qg7 45. Rf4 Qxg3 {Black mates.} 46. Rxe4 Re8 47. Bc7 Rb1+ {Weighted Error Value: White=0.81/Black=0.69} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.25"]
[White "Leon Valdes, Jony Wilson"]
[Black "Fernandez Pozas, Pablo Antonio"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2392"]
[BlackElo "2072"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,58,0,0,10,-64,-61,-68,-71,-58,-11,-17,-21,-44,-6,-5,0,-85,-3,-12,0,0,0,0,19,12,27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-2]} 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. b3 Bf5 5. g3 e6 6. Bg2 Be7 7. O-O Nbd7 8. Bb2 h5 {[#] D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} 9. Ne5 $146 (9. Nc3 $11) ({Predecessor:} 9. Nc3 Ne4 10. h4 Qc7 11. cxd5 exd5 12. Rc1 Qd6 13. Ne5 f6 14. Nxe4 dxe4 15. Nc4 Qe6 16. Ne3 {½-½ (58) Sribar,P (2164)-Savic,M (2260) Zagreb 2011}) 9... h4 $15 10. Nd2 hxg3 {Black is slightly better.} 11. hxg3 Bd6 (11... Kf8 $15) 12. Re1 Ne4 {White must now prevent ...Qg5.} 13. Nxe4 Bxe4 14. Bxe4 dxe4 15. Qd2 {[#]} (15. Qc2 $11 {remains equal.}) 15... f6 ({Better is} 15... Qf6 $1 $17 {[%cal Od6b4] ...Bb4! is the strong threat.} 16. Qf4 Bxe5 17. dxe5 Qxf4 18. gxf4 Rh4) 16. Nxd7 $11 Qxd7 17. Kg2 O-O-O 18. Rh1 Rxh1 19. Rxh1 Bc5 {[%cal Oe6e5]} 20. Qf4 {Inhibits e5.} Bxd4 {The position is equal.} 21. Rd1 e5 22. Qxe4 {Threatens to win with e3.} Rh8 23. Bxd4 {[%cal Od1d3]} c5 {[%cal Bc6c5,Bc5d4,Bd4d3,Bd3d2][%mdl 96] [#] Pin} 24. g4 {[%cal Oe2e3]} exd4 25. e3 {[%cal Re3d4]} Re8 26. Qf3 Re5 27. exd4 cxd4 28. Qf4 d3 29. Qf3 d2 {Weighted Error Value: White=0.15 (very precise) /Black=0.15 (very precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.26"]
[White "Zarate Manjarrez, Alfredo"]
[Black "Gemy, Jose Daniel"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "2026"]
[BlackElo "2381"]
[Annotator "RC"]
[PlyCount "64"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:04:59]} Nf6 {[%emt 0:00:10]} 2. b3 {[%emt 0:00:22]} g6 {[%emt 0:00:07]} 3. Bb2 {[%emt 0:00:06]} Bg7 {[%emt 0:00:03]} 4. c4 {[%emt 0:01:21]} O-O {[%emt 0:00:07]} 5. g3 {[%emt 0:00:05]} d6 {[%emt 0:01:48]} 6. Bg2 {[%emt 0:00:08]} e5 {[%emt 0:00:06]} 7. d3 {[%emt 0:00:41]} Nc6 {[%emt 0:04:46]} 8. O-O {[%emt 0:00:59]} a5 {[%emt 0:03:48]} 9. a3 {[%emt 0:01:04]} Bd7 {[%emt 0:01:38]} 10. Nbd2 {[%emt 0:01:54]} Nh5 {[%emt 0:03:32]} 11. Ra2 {[%emt 0:05:30]} f5 {[%emt 0:00:16]} 12. e3 {[%emt 0:01:21]} Qe7 {[%emt 0:03:37]} 13. d4 {[%emt 0:21:33]} e4 {[%emt 0:03:04]} 14. Ne1 {[%emt 0:00:04]} Nf6 {[%emt 0:02:13]} 15. Nc2 {[%emt 0:07:40]} h5 {[%emt 0:02:13]} 16. Qa1 {[%emt 0:03:11]} h4 {[%emt 0:06:20]} 17. b4 {[%emt 0:00:05]} d5 {[%emt 0:06:02]} 18. b5 {[%emt 0:00:56]} Nd8 {[%emt 0:00:09]} 19. a4 {[%emt 0:00:20]} Qf7 {[%emt 0:01:18]} 20. c5 {[%emt 0:08:39]} g5 {[%emt 0:01:20]} 21. Qd1 {[%emt 0:02:41]} g4 {[%emt 0:00:21]} 22. Nb3 {[%emt 0:07:29]} Ne6 {[%emt 0:00:41]} 23. c6 {[%emt 0:07:08]} bxc6 {[%emt 0:00:08]} 24. bxc6 {[%emt 0:00:04]} Bxc6 {[%emt 0:00:08]} 25. Bc3 {[%emt 0:00:49]} Ng5 {[%emt 0:01:12]} 26. Nc5 {[%emt 0:15:26]} Rfe8 {[%emt 0:01:12]} 27. Na3 {[%emt 0:00:16]} Qg6 {[%emt 0:01:55]} 28. Nb5 {[%emt 0:00:28]} Re7 {[%emt 0:00:27]} 29. Qb3 {[%emt 0:01:30]} Nf3+ {[%emt 0:00:43]} 30. Bxf3 {[%emt 0:04:54]} gxf3 {[%emt 0:00:05]} 31. Kh1 {[%emt 0:00:35]} Qg4 {[%emt 0:00:35]} 32. Bxa5 {[%emt 0:00:25]} Qh3 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.27"]
[White "Lopez Gonzalez, Abel Fabian"]
[Black "Rosales Campos, Paul Ivan"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2379"]
[BlackElo "2039"]
[Annotator "ChessBase"]
[PlyCount "24"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 1:31:00]} d5 {[%emt 0:02:33]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:28]} 3. Nc3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:29]} 4. cxd5 {[%emt 0:00:00]} exd5 {[%emt 0:00:27]} 5. Bg5 {[%emt 0:00:00]} c6 {[%emt 0:00:48]} 6. e3 {[%emt 0:00:00]} Bd6 {[%emt 0:00:55]} 7. Bd3 {[%emt 0:00:00]} O-O {[%emt 0:01:16]} 8. Qc2 {[%emt 0:00:00]} h6 {[%emt 0:01:14]} 9. Bh4 {[%emt 0:00:00]} Re8 {[%emt 0:00:47]} 10. Nf3 {[%emt 0:00:00]} Be6 {[%emt 0:01:24]} 11. Ne5 {[%emt 0:00:00]} c5 {[%emt 0:01:31]} 12. Bb5 {[%emt 0:00:00]} cxd4 {[%emt 0:15:17]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.28"]
[White "Ocampo, Cristina"]
[Black "Galaviz Medina, Sion Radamantys"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "2024"]
[BlackElo "2374"]
[Annotator "ChessBase"]
[PlyCount "36"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:07:26]} c5 {[%emt 0:00:03]} 2. Nf3 {[%emt 0:00:21]} d6 {[%emt 0:00:08]} 3. d4 cxd4 {[%emt 0:00:07]} 4. Qxd4 {[%emt 0:00:14]} Nc6 {[%emt 0:00:04]} 5. Qe3 {[%emt 0:01:28]} Nf6 {[%emt 0:09:46]} 6. h3 {[%emt 0:00:21]} e6 {[%emt 0:04:43]} 7. c4 {[%emt 0:01:52]} Nb4 {[%emt 0:16:47]} 8. Qb3 {[%emt 0:14:49]} d5 {[%emt 0:17:37]} 9. cxd5 {[%emt 0:03:34]} Nxe4 {[%emt 0:22:28]} 10. dxe6 {[%emt 0:41:58]} Bxe6 {[%emt 0:12:52]} 11. Bb5+ {[%emt 0:01:08]} Nc6 {[%emt 0:00:07]} 12. Qa4 {[%emt 0:01:52]} Bd5 {[%emt 0:03:46]} 13. O-O {[%emt 0:08:13]} Bc5 {[%emt 0:00:22]} 14. Nd4 {[%emt 0:09:40]} O-O {[%emt 0:02:15]} 15. Be3 {[%emt 0:03:23]} Nxd4 {[%emt 0:01:31]} 16. Bxd4 {[%emt 0:00:30]} a6 {[%emt 0:02:07]} 17. Bxc5 Nxc5 {[%emt 0:00:05]} 18. Qd4 {[%emt 0:02:06]} Ne6 {[%emt 0:00:05]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.29"]
[White "Veiga, Jose Francisco R P N"]
[Black "Fernandez Rivero, Karla July"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2366"]
[BlackElo "2025"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:10]} e5 {[%emt 0:00:12]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:10]} 3. Bb5 {[%emt 0:00:19]} a6 {[%emt 0:00:21]} 4. Ba4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:17]} 5. O-O {[%emt 0:00:07]} Be7 {[%emt 0:00:14]} 6. d3 {[%emt 0:00:07]} b5 {[%emt 0:00:23]} 7. Bb3 {[%emt 0:00:05]} d6 {[%emt 0:00:19]} 8. a3 {[%emt 0:00:18]} Na5 {[%emt 0:00:36]} 9. Ba2 {[%emt 0:00:42]} c5 {[%emt 0:00:15]} 10. Nc3 {[%emt 0:01:09]} Be6 {[%emt 0:00:44]} 11. Bg5 {[%emt 0:02:28]} O-O {[%emt 0:01:47]} 12. Bxf6 {[%emt 0:06:15]} Bxf6 {[%emt 0:00:11]} 13. Nd5 {[%emt 0:00:53]} Nc6 {[%emt 0:02:27]} 14. c3 {[%emt 0:02:05]} g6 {[%emt 0:01:19]} 15. Qd2 {[%emt 0:06:19]} Bg7 {[%emt 0:06:48]} 16. Ng5 {[%emt 0:06:15]} Rb8 {[%emt 0:05:39]} 17. f4 {[%emt 0:05:57]} Qd7 {[%emt 0:14:41]} 18. Qe2 {[%emt 0:17:45]} Bg4 {[%emt 0:14:42]} 19. Qe3 {[%emt 0:04:13]} h6 {[%emt 0:09:53]} 20. Nf3 {[%emt 0:00:08]} Kh7 {[%emt 0:03:01]} 21. h3 {[%emt 0:01:24]} Bxf3 {[%emt 0:06:11]} 22. Rxf3 {[%emt 0:01:03]} exf4 {[%emt 0:00:31]} 23. Rxf4 {[%emt 0:00:23]} Ne5 {[%emt 0:06:18]} 24. Raf1 {[%emt 0:02:17]} c4 {[%emt 0:03:07]} 25. d4 {[%emt 0:03:07]} Nd3 {[%emt 0:05:26]} 26. Nf6+ Bxf6 {[%emt 0:00:09]} 27. Rxf6 {[%emt 0:00:16]} Qe7 {[%emt 0:03:55]} 28. b3 {[%emt 0:05:27]} d5 {[%emt 0:06:28]} 29. e5 {[%emt 0:01:55]} Kg7 {[%emt 0:02:45]} 30. b4 {[%emt 0:01:25]} a5 {[%emt 0:00:56]} 31. Bb1 {[%emt 0:00:05]} Nb2 {[%emt 0:01:14]} 32. e6 {[%emt 0:01:04]} Rbe8 {[%emt 0:04:48]} 33. Qe5 {[%emt 0:01:27]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.30"]
[White "Jorajuria Mendoza, Zuben Algenubi"]
[Black "Santos, Jose Guilherme B Lim"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "1582"]
[BlackElo "2363"]
[Annotator "ChessBase"]
[PlyCount "128"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} c5 {[%emt 0:02:14]} 2. Nf3 {[%emt 0:00:12]} d6 {[%emt 0:00:13]} 3. d4 {[%emt 0:00:25]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:05]} 5. Nc3 {[%emt 0:00:10]} a6 {[%emt 0:00:03]} 6. Bc4 {[%emt 0:00:28]} e6 {[%emt 0:00:16]} 7. Bb3 {[%emt 0:00:24]} Nbd7 {[%emt 0:00:08]} 8. O-O {[%emt 0:00:55]} Nc5 {[%emt 0:00:07]} 9. Bg5 {[%emt 0:01:17]} Be7 {[%emt 0:00:49]} 10. Qe2 {[%emt 0:01:02]} Nfxe4 {[%emt 0:13:57]} 11. Nxe4 {[%emt 0:03:11]} Bxg5 {[%emt 0:00:14]} 12. Nxc5 {[%emt 0:00:27]} dxc5 {[%emt 0:00:08]} 13. Nf5 {[%emt 0:01:03]} O-O {[%emt 0:01:14]} 14. Ng3 {[%emt 0:04:11]} Qc7 {[%emt 0:01:45]} 15. c3 {[%emt 0:02:12]} Bd7 {[%emt 0:00:18]} 16. Qg4 {[%emt 0:01:36]} Qf4 {[%emt 0:02:50]} 17. Qh5 {[%emt 0:05:42]} g6 {[%emt 0:01:52]} 18. Qe2 {[%emt 0:00:30]} Bb5 {[%emt 0:00:23]} 19. c4 {[%emt 0:00:40]} Bc6 {[%emt 0:00:14]} 20. Rad1 {[%emt 0:01:56]} Rad8 {[%emt 0:00:16]} 21. Bc2 {[%emt 0:03:07]} Rxd1 {[%emt 0:03:40]} 22. Rxd1 {[%emt 0:00:11]} Rd8 {[%emt 0:00:14]} 23. Bd3 {[%emt 0:04:27]} h5 {[%emt 0:01:20]} 24. Nf1 {[%emt 0:15:12]} h4 {[%emt 0:00:06]} 25. Re1 {[%emt 0:01:08]} Rd4 {[%emt 0:04:38]} 26. Ne3 {[%emt 0:03:05]} Bf6 {[%emt 0:02:18]} 27. Nc2 {[%emt 0:06:27]} Rd8 {[%emt 0:00:37]} 28. Ne3 {[%emt 0:00:37]} h3 {[%emt 0:02:27]} 29. gxh3 {[%emt 0:03:17]} Bf3 {[%emt 0:00:25]} 30. Qc2 {[%emt 0:01:02]} Kg7 {[%emt 0:06:28]} 31. Bf1 {[%emt 0:05:26]} Be5 {[%emt 0:00:30]} 32. Ng4 {[%emt 0:01:00]} Bxg4 {[%emt 0:00:16]} 33. Rxe5 {[%emt 0:00:13]} Qxe5 {[%emt 0:00:05]} 34. hxg4 {[%emt 0:00:08]} Rd4 {[%emt 0:00:13]} 35. h3 {[%emt 0:01:30]} Qf4 {[%emt 0:00:07]} 36. Qc3 {[%emt 0:00:35]} Kg8 {[%emt 0:00:34]} 37. b4 {[%emt 0:02:00]} Rd2 {[%emt 0:00:10]} 38. Qe3 {[%emt 0:00:33]} Qxe3 {[%emt 0:00:17]} 39. fxe3 {[%emt 0:00:11]} cxb4 {[%emt 0:00:01]} 40. c5 {[%emt 0:00:16]} Rxa2 {[%emt 0:00:08]} 41. Bg2 {[%emt 0:00:19]} b3 {[%emt 0:00:07]} 42. Bxb7 {[%emt 0:00:07]} b2 {[%emt 0:00:04]} 43. Be4 {[%emt 0:00:07]} Ra1+ {[%emt 0:00:03]} 44. Kg2 {[%emt 0:00:12]} b1=Q {[%emt 0:00:05]} 45. Bxb1 {[%emt 0:00:08]} Rxb1 {[%emt 0:00:03]} 46. e4 {[%emt 0:00:10]} Rc1 {[%emt 0:00:01]} 47. e5 {[%emt 0:00:11]} Rxc5 {[%emt 0:00:05]} 48. h4 {[%emt 0:00:08]} a5 {[%emt 0:00:02]} 49. h5 {[%emt 0:00:12]} a4 {[%emt 0:00:01]} 50. hxg6 {[%emt 0:00:09]} a3 {[%emt 0:00:02]} 51. gxf7+ {[%emt 0:00:13]} Kxf7 {[%emt 0:00:01]} 52. g5 {[%emt 0:00:15]} a2 {[%emt 0:00:03]} 53. g6+ {[%emt 0:00:09]} Kxg6 {[%emt 0:00:03]} 54. Kf3 {[%emt 0:00:08]} a1=Q {[%emt 0:00:03]} 55. Ke4 {[%emt 0:00:07]} Rc4+ {[%emt 0:00:04]} 56. Kd3 {[%emt 0:00:12]} Qd4+ {[%emt 0:00:01]} 57. Ke2 {[%emt 0:00:14]} Qxe5+ {[%emt 0:00:01]} 58. Kd2 {[%emt 0:00:13]} Qc3+ {[%emt 0:00:02]} 59. Ke2 {[%emt 0:00:12]} Re4+ {[%emt 0:00:02]} 60. Kf2 {[%emt 0:00:15]} Qe3+ {[%emt 0:00:02]} 61. Kf1 {[%emt 0:00:09]} Rf4+ {[%emt 0:00:01]} 62. Kg2 {[%emt 0:00:11]} Qf3+ {[%emt 0:00:01]} 63. Kg1 {[%emt 0:00:12]} Qg3+ {[%emt 0:00:02]} 64. Kh1 {[%emt 0:00:07]} Rh4# {[%emt 0:00:02]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.31"]
[White "Garcia Guerrero, Isaac Antonio"]
[Black "Lopez De Nava Hernandez, Carlos"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2338"]
[BlackElo "2023"]
[Annotator "ChessBase"]
[PlyCount "101"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:02]} c6 {[%emt 0:20:41]} 2. Nf3 {[%emt 0:01:10]} Nf6 {[%emt 0:04:26]} 3. Nc3 {[%emt 0:00:19]} d5 {[%emt 0:00:16]} 4. e3 {[%emt 0:00:07]} Bf5 {[%emt 0:01:16]} 5. cxd5 {[%emt 0:00:39]} Nxd5 {[%emt 0:01:56]} 6. d4 {[%emt 0:00:26]} e6 {[%emt 0:00:53]} 7. Bd3 {[%emt 0:01:16]} Bg6 {[%emt 0:04:48]} 8. e4 {[%emt 0:04:04]} Nf6 {[%emt 0:02:07]} 9. O-O {[%emt 0:02:07]} Be7 {[%emt 0:01:21]} 10. h3 {[%emt 0:17:22]} O-O {[%emt 0:05:35]} 11. Qe2 {[%emt 0:02:26]} Nbd7 {[%emt 0:04:49]} 12. Rd1 {[%emt 0:00:57]} Re8 {[%emt 0:06:55]} 13. Be3 {[%emt 0:03:54]} Bb4 {[%emt 0:14:01]} 14. Bg5 {[%emt 0:09:43]} e5 {[%emt 0:05:01]} 15. dxe5 {[%emt 0:14:14]} Nxe5 {[%emt 0:00:14]} 16. Nxe5 {[%emt 0:00:21]} Rxe5 {[%emt 0:00:49]} 17. Bf4 {[%emt 0:00:31]} Re8 {[%emt 0:03:32]} 18. f3 {[%emt 0:02:56]} Qe7 {[%emt 0:00:59]} 19. Rac1 {[%emt 0:06:04]} Rad8 {[%emt 0:00:24]} 20. Be3 {[%emt 0:01:03]} Bc5 {[%emt 0:15:31]} 21. Bxc5 {[%emt 0:04:35]} Qxc5+ {[%emt 0:00:02]} 22. Qf2 {[%emt 0:00:11]} Qxf2+ {[%emt 0:00:29]} 23. Kxf2 {[%emt 0:00:02]} Kf8 {[%emt 0:00:08]} 24. b4 {[%emt 0:03:56]} Rd4 {[%emt 0:01:48]} 25. a3 {[%emt 0:00:58]} Red8 {[%emt 0:00:40]} 26. Ke3 {[%emt 0:00:37]} Ne8 {[%emt 0:03:09]} 27. Ne2 {[%emt 0:04:20]} R4d6 {[%emt 0:00:38]} 28. Nf4 {[%emt 0:01:03]} Nc7 {[%emt 0:00:14]} 29. Be2 {[%emt 0:02:14]} Rxd1 {[%emt 0:00:52]} 30. Bxd1 {[%emt 0:00:10]} Ke7 {[%emt 0:00:47]} 31. Bb3 {[%emt 0:01:36]} Nb5 {[%emt 0:01:01]} 32. a4 {[%emt 0:00:49]} Nd6 {[%emt 0:00:18]} 33. g4 {[%emt 0:01:46]} f6 {[%emt 0:00:21]} 34. Ne6 {[%emt 0:01:36]} Rg8 {[%emt 0:00:10]} 35. Nd4 {[%emt 0:01:45]} Rc8 {[%emt 0:00:02]} 36. h4 {[%emt 0:06:12]} Bf7 {[%emt 0:00:51]} 37. g5 {[%emt 0:00:42]} Bxb3 {[%emt 0:00:44]} 38. Nxb3 {[%emt 0:00:17]} Rd8 {[%emt 0:00:51]} 39. Nd4 {[%emt 0:00:31]} Rd7 {[%emt 0:00:27]} 40. f4 {[%emt 0:00:41]} Kf7 {[%emt 0:00:43]} 41. gxf6 {[%emt 0:00:48]} gxf6 {[%emt 0:00:05]} 42. e5 {[%emt 0:01:21]} fxe5 {[%emt 0:00:57]} 43. fxe5 {[%emt 0:00:12]} Re7 {[%emt 0:00:21]} 44. Kf4 {[%emt 0:00:50]} Ne8 {[%emt 0:00:33]} 45. Rf1 {[%emt 0:01:15]} Nc7 {[%emt 0:00:09]} 46. e6+ {[%emt 0:00:58]} Ke8 {[%emt 0:00:48]} 47. Ke5 {[%emt 0:00:16]} Nd5 {[%emt 0:00:41]} 48. Nf5 {[%emt 0:00:49]} Rc7 {[%emt 0:00:30]} 49. Nd6+ {[%emt 0:00:15]} Ke7 {[%emt 0:00:19]} 50. Rf7+ {[%emt 0:00:11]} Kd8 {[%emt 0:00:26]} 51. Rf8+ {[%emt 0:00:08]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.32"]
[White "Guevara Ruiz, Santiago Jose"]
[Black "Perez Garcia, Rodney Oscar"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1480"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,28,16,21,-7,25,25,46,-16,-8,-22,-23,-108,-111,-206,-200,-513,-510]} 1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. Nc3 d5 5. e5 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. h4 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} Qb6 9. Qd3 Nd7 {[#]} 10. Be2 $146 (10. h5 $14) ({Predecessor:} 10. h5 c5 11. dxc5 Nxc5 12. Qd4 Nd7 13. Qxb6 Nxb6 14. f4 a6 15. Be3 Nd7 16. Bd3 {½-½ (33) Opitz,P (1959)-Wuttke,J (2043) GER email 2010}) 10... c5 $11 11. dxc5 Nxc5 12. Qg3 (12. Qb5+ $11 Qxb5 13. Bxb5+ Ke7 14. Bg5+ f6 15. exf6+ Nxf6 16. h5) 12... Ne7 $17 {[%cal Bg8e7,Be7f5,Bf5d4][%mdl 32]} 13. Bg5 (13. h5 $17) 13... Nf5 $19 ({Stronger than} 13... Qxb2 14. Rb1 Qxc2 15. O-O $11) 14. Qf3 {[#]} (14. Qh3 {nothing else works.}) 14... Nd4 {Weighted Error Value: White=0.75/Black=0.11 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.33"]
[White "Noboa Silva, Kevin"]
[Black "Diaz Osorio, Ana Carolina"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2331"]
[BlackElo "1627"]
[Annotator "ChessBase"]
[PlyCount "51"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:04]} d5 {[%emt 0:06:15]} 2. c4 {[%emt 0:00:15]} e6 {[%emt 0:00:25]} 3. Nc3 {[%emt 0:00:13]} Nf6 {[%emt 0:00:21]} 4. cxd5 {[%emt 0:00:20]} exd5 {[%emt 0:00:58]} 5. Bg5 {[%emt 0:00:24]} c6 {[%emt 0:04:12]} 6. e3 {[%emt 0:00:57]} Nbd7 {[%emt 0:01:15]} 7. Bd3 {[%emt 0:00:43]} Be7 {[%emt 0:01:03]} 8. Nge2 {[%emt 0:00:54]} O-O {[%emt 0:01:41]} 9. Qc2 {[%emt 0:01:11]} Re8 {[%emt 0:04:20]} 10. O-O {[%emt 0:01:05]} Nf8 {[%emt 0:00:44]} 11. Rad1 {[%emt 0:01:20]} g6 {[%emt 0:01:40]} 12. f3 {[%emt 0:02:43]} Ne6 {[%emt 0:02:20]} 13. Bh4 {[%emt 0:00:34]} Ng7 {[%emt 0:08:05]} 14. Bf2 {[%emt 0:02:53]} Bf5 {[%emt 0:09:47]} 15. e4 {[%emt 0:02:10]} dxe4 {[%emt 0:00:31]} 16. fxe4 {[%emt 0:00:16]} Bg4 {[%emt 0:01:22]} 17. h3 {[%emt 0:02:14]} Bd7 {[%emt 0:08:03]} 18. a3 {[%emt 0:06:52]} Ne6 {[%emt 0:05:18]} 19. Bc4 {[%emt 0:07:18]} Ng5 {[%emt 0:06:43]} 20. Be3 {[%emt 0:02:32]} h6 {[%emt 0:04:11]} 21. Bxg5 {[%emt 0:01:26]} hxg5 {[%emt 0:00:12]} 22. e5 {[%emt 0:00:09]} Nd5 {[%emt 0:00:52]} 23. Nxd5 {[%emt 0:00:42]} cxd5 {[%emt 0:00:05]} 24. Bxd5 {[%emt 0:00:10]} Rf8 {[%emt 0:00:54]} 25. Qxg6+ {[%emt 0:01:03]} Kh8 {[%emt 0:00:06]} 26. Bxf7 {[%emt 1:05:02]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.34"]
[White "Zaragoza Alanis, Miguel Arnulfo"]
[Black "Perez Rodriguez, Luis Manuel"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1342"]
[BlackElo "2324"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,104,33,53,27,58,50,41,42,42,38,40,38,41,39,43,25,20,20,20,0,8,0,0,0,0,-11,0,-34,0,-23,-8,-27,-30,-29,-32,-33,-37,-41,-20,-50,-50,-110,-129,-123,-108,-139,-147,-280,-278,-285,-290,-438,-364,-479,-455,-458,-463,-430,-420,-503,-503,-487,-495,-462,-451,-691,-680,-645,-619,-635,-608,-764,-755,-811,-810,-800,-766,-887,-862,-969,-930,-964,-891,-952,-908,-29967,-876,-864,-787,-853,-852,-29986,-29987]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. a4 d6 7. Re1 Kh8 8. Nc3 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} Ng8 9. Nd5 f5 10. h3 {White is slightly better.} fxe4 11. dxe4 ({Reject} 11. Rxe4 Nf6 $11) 11... Nf6 12. c3 Qd7 13. a5 a6 {[#]} 14. Qe2 $146 ({Predecessor:} 14. b4 Bd8 15. Nh2 Qe8 16. Nf1 Nh5 17. Be2 Nf4 18. Bg4 Qf7 19. Be3 Bxg4 20. hxg4 {0-1 (34) Tzermiadianos,A (2438)-Papadopoulos,G (2378) Patras 2019}) 14... Bd8 15. b4 Qe8 16. Bd2 Bd7 17. Rad1 Nh5 18. Kh2 Ne7 19. Nxe7 Bxe7 20. Rf1 Qg6 21. Bc1 {[%cal Of3e5]} Ba4 22. Rde1 Nf4 23. Bxf4 Rxf4 24. g3 Rff8 25. Ng1 Bd7 {This bishop pair is nice.} 26. Qe3 Bg5 {[%cal Be7g5,Bg5h6,Bh6f4][%mdl 32]} 27. f4 {Black keeps a firm grip on the game.} (27. Qd3 $15) 27... exf4 $17 28. gxf4 Bh6 29. Qg3 {[#]} Qf6 {[%cal Rh6f4]} 30. e5 {[#]} (30. Ne2 $17) 30... Qxf4 $1 $19 {[%mdl 512]} 31. Rxf4 (31. Bd5 Qd2+) 31... Bxf4 32. exd6 (32. Nf3 $142) 32... cxd6 (32... Bxg3+ $2 {is the wrong capture.} 33. Kxg3 cxd6 34. Bd5 $19) 33. Bd5 Bxg3+ 34. Kxg3 Bc6 35. Bxc6 bxc6 {[%mdl 4096] Endgame KRR-KRN} 36. Rd1 d5 37. Nf3 Rae8 {White must now prevent ...Re3.} 38. Rd3 Re6 39. Nd4 (39. Kf2 $142) 39... Rg6+ 40. Kh2 Rf2+ 41. Kh1 Kg8 42. Nb3 Re6 {[%cal Re6e1]} 43. Rd1 {To avoid Re1+} Re3 {[%csl LRc3,LRh3]} 44. Nc5 Rxc3 45. Nxa6 Ra2 46. Nc5 Rxh3+ 47. Kg1 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 48. Ne6 h4 {( -> ...Rg3+)} 49. Nd4 Rc3 (49... Rhh2 $142 50. Nf3 Rhg2+ 51. Kh1 Rgf2 52. b5 Rxf3 53. bxc6 Rc3 54. Kg1 h3 55. c7 Rxc7 56. Re1 Rcc2 57. Re8+ Kh7 58. Re1 Rg2+ 59. Kh1 Rh2+ 60. Kg1 Rag2+ 61. Kf1 Rh1#) 50. Kh1 c5 51. bxc5 Rxc5 52. Nb3 Rcc2 {Weighted Error Value: White=0.40/Black=0.04 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.35"]
[White "Dominguez Aguilar, Guillermo"]
[Black "Cabrera Torres, Carlos"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2321"]
[Annotator "ChessBase"]
[PlyCount "76"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:52]} c5 {[%emt 0:00:24]} 2. Nc3 {[%emt 0:00:20]} d6 {[%emt 0:00:46]} 3. f4 {[%emt 0:00:13]} e6 {[%emt 0:00:18]} 4. Nf3 {[%emt 0:00:13]} Nf6 {[%emt 0:00:33]} 5. g3 {[%emt 0:01:56]} Be7 {[%emt 0:01:08]} 6. Bg2 {[%emt 0:00:36]} Nc6 {[%emt 0:01:37]} 7. O-O {[%emt 0:00:15]} O-O {[%emt 1:29:14]} 8. d3 {[%emt 1:30:05]} Qc7 {[%emt 0:00:00]} 9. h3 {[%emt 0:00:00]} Bd7 {[%emt 0:00:00]} 10. g4 {[%emt 0:00:00]} Rad8 {[%emt 0:00:00]} 11. f5 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 12. g5 {[%emt 0:00:00]} Ne8 {[%emt 0:00:00]} 13. exd5 {[%emt 0:00:00]} Nd4 {[%emt 0:00:00]} 14. fxe6 {[%emt 0:00:00]} fxe6 15. Be3 Nxf3+ {[%emt 0:00:00]} 16. Rxf3 {[%emt 0:00:00]} Rxf3 {[%emt 0:00:00]} 17. Qxf3 {[%emt 0:00:00]} Qe5 {[%emt 0:00:00]} 18. Rf1 {[%emt 0:00:00]} Nd6 {[%emt 0:00:00]} 19. Bxc5 {[%emt 0:00:00]} Rf8 {[%emt 0:00:00]} 20. Qg4 {[%emt 0:00:00]} Rxf1+ {[%emt 0:00:00]} 21. Kxf1 {[%emt 0:00:00]} b6 {[%emt 0:00:00]} 22. d4 {[%emt 0:00:00]} Qf5+ {[%emt 0:00:00]} 23. Qxf5 {[%emt 0:00:00]} exf5 {[%emt 0:00:00]} 24. Ba3 {[%emt 0:00:00]} Nc8 {[%emt 0:00:00]} 25. Bxe7 {[%emt 0:00:00]} Nxe7 {[%emt 0:00:00]} 26. Kf2 {[%emt 0:00:00]} Nc8 {[%emt 0:00:00]} 27. Ne2 {[%emt 0:00:00]} Nd6 {[%emt 0:00:00]} 28. b3 {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 29. c4 {[%emt 0:00:00]} Kg6 {[%emt 0:00:00]} 30. h4 {[%emt 0:00:00]} Ne4+ {[%emt 0:00:00]} 31. Bxe4 {[%emt 0:00:00]} fxe4 {[%emt 0:00:00]} 32. Ng3 {[%emt 0:00:00]} Bf5 {[%emt 0:00:00]} 33. Ke3 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 34. c5 {[%emt 0:00:00]} bxc5 {[%emt 0:00:00]} 35. dxc5 {[%emt 0:00:00]} h6 {[%emt 0:00:00]} 36. gxh6 {[%emt 0:00:00]} gxh6 {[%emt 0:00:00]} 37. c6 {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 38. Nxf5 {[%emt 0:00:00]} Kxf5 {[%emt 0:15:30]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.36"]
[White "Berdayes Ason, Dylan Isidro"]
[Black "Garcia Ortega, Natalia Belen"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2445"]
[BlackElo "1607"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,27,64,131,120,85,98,744,732,1026,1022,1124,1014,1043,1028,1131,1120,1104,882,862,852]} 1. d4 d5 2. c4 c6 3. Nf3 Bf5 4. cxd5 cxd5 5. Qb3 Qc7 {[#]} ({Better is} 5... Qb6 $14) 6. Nc3 $1 $16 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} e6 7. Bf4 Qc6 {[%mdl 8192] A mistake that costs the game.} (7... Qxf4 $2 8. Qxb7 Bb4 9. e3 $18 (9. Qxa8 Qc7 $11)) (7... Qb6 $16) 8. e4 $18 {aiming for Bb5. White is clearly winning.} dxe4 {[#]} 9. Bb5 $1 {[#]} Nd7 $146 (9... exf3 10. Bxc6+) ({Predecessor:} 9... exf3 10. Bxc6+ Nxc6 11. Qxb7 {1-0 (11) Kramskoi,V (889)-Tittarelli,A (1100) LSS email 2013}) 10. Bxc6 bxc6 11. Ne5 Nxe5 12. Bxe5 f6 13. Qb7 Rd8 14. Qxc6+ {Weighted Error Value: White=0.13 (very precise) /Black=0.60} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.37"]
[White "Sanchez Garcia, Oscar Ernesto"]
[Black "Medina Diaz, Rafael Alejandro"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1765"]
[BlackElo "2287"]
[Annotator "ChessBase"]
[PlyCount "76"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:03:57]} d5 {[%emt 0:00:09]} 2. d4 {[%emt 0:00:39]} Nf6 {[%emt 0:00:08]} 3. Bf4 {[%emt 0:00:07]} g6 {[%emt 0:01:08]} 4. Nbd2 {[%emt 0:00:31]} Bg7 {[%emt 0:00:08]} 5. e3 {[%emt 0:00:29]} c5 {[%emt 0:00:29]} 6. Bd3 {[%emt 0:03:18]} Qb6 {[%emt 0:01:18]} 7. Rb1 {[%emt 0:08:05]} Nc6 {[%emt 0:01:11]} 8. c3 {[%emt 0:06:18]} O-O {[%emt 0:00:15]} 9. O-O {[%emt 0:00:21]} Nh5 {[%emt 0:00:47]} 10. Bg5 {[%emt 0:07:50]} e5 {[%emt 0:05:25]} 11. dxe5 {[%emt 0:00:25]} Nxe5 {[%emt 0:00:14]} 12. Nxe5 {[%emt 0:00:21]} Bxe5 {[%emt 0:00:06]} 13. e4 {[%emt 0:02:54]} Bf4 {[%emt 0:13:40]} 14. Bh4 {[%emt 0:04:46]} Be6 {[%emt 0:04:17]} 15. exd5 {[%emt 0:08:42]} Bxd5 {[%emt 0:01:00]} 16. c4 {[%emt 0:04:33]} Bc6 {[%emt 0:09:35]} 17. Ne4 {[%emt 0:04:37]} Rfe8 {[%emt 0:02:29]} 18. Re1 {[%emt 0:00:23]} Be5 {[%emt 0:05:16]} 19. Qc2 {[%emt 0:06:43]} Nf4 {[%emt 0:09:45]} 20. Bf1 {[%emt 0:00:24]} f5 {[%emt 0:12:09]} 21. Ng3 {[%emt 0:15:28]} Bg7 {[%emt 0:01:50]} 22. Be7 {[%emt 0:03:14]} Bd4 {[%emt 0:11:40]} 23. b4 {[%emt 0:04:36]} Qc7 {[%emt 0:02:00]} 24. Bxc5 {[%emt 0:06:03]} Bxc5 {[%emt 0:00:56]} 25. bxc5 {[%emt 0:00:03]} Qa5 {[%emt 0:00:29]} 26. Rxe8+ {[%emt 0:05:25]} Rxe8 {[%emt 0:00:44]} 27. Rd1 {[%emt 0:00:55]} Qxc5 {[%emt 0:02:49]} 28. Qd2 {[%emt 0:02:02]} Qe5 {[%emt 0:00:18]} 29. h4 {[%emt 0:00:25]} h5 {[%emt 0:02:14]} 30. Qd6 {[%emt 0:01:03]} Qxd6 {[%emt 0:01:14]} 31. Rxd6 {[%emt 0:00:06]} Re5 {[%emt 0:02:30]} 32. Rd2 {[%emt 0:00:38]} Kf7 {[%emt 0:00:24]} 33. Ne2 {[%emt 0:00:47]} Nxe2+ {[%emt 0:01:40]} 34. Bxe2 {[%emt 0:00:03]} Ke6 {[%emt 0:01:05]} 35. f4 {[%emt 0:00:13]} Re4 {[%emt 0:00:40]} 36. g3 {[%emt 0:00:15]} Re3 {[%emt 0:00:05]} 37. Kf2 {[%emt 0:00:09]} Rc3 {[%emt 0:00:06]} 38. Bf1 {[%emt 0:01:10]} Rf3+ {[%emt 0:09:17]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.38"]
[White "Munoz Ricardo, Wasdin Antonio"]
[Black "Davalos Prieto, Abel Justo"]
[Result "1-0"]
[ECO "B58"]
[WhiteElo "1745"]
[BlackElo "2103"]
[Annotator "ChessBase"]
[PlyCount "80"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:02:23]} c5 {[%emt 0:00:16]} 2. Nf3 {[%emt 0:01:01]} Nc6 {[%emt 0:00:11]} 3. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:17]} 4. Nxd4 {[%emt 0:00:21]} Nf6 {[%emt 0:00:12]} 5. Nc3 {[%emt 0:00:44]} d6 {[%emt 0:00:09]} 6. Nxc6 {[%emt 0:06:11]} bxc6 {[%emt 0:00:09]} 7. Be2 {[%emt 0:02:05]} e5 {[%emt 0:01:52]} 8. O-O {[%emt 0:02:23]} Be7 {[%emt 0:01:35]} 9. f4 {[%emt 0:01:09]} Qb6+ {[%emt 0:05:41]} 10. Kh1 {[%emt 0:00:20]} O-O {[%emt 0:00:10]} 11. fxe5 {[%emt 0:03:37]} dxe5 {[%emt 0:00:15]} 12. Qe1 {[%emt 0:06:05]} Be6 {[%emt 0:04:54]} 13. Qg3 {[%emt 0:01:06]} Qc7 {[%emt 0:01:19]} 14. Bg5 {[%emt 0:13:25]} Kh8 {[%emt 0:00:23]} 15. Qh4 {[%emt 0:06:23]} Ng8 {[%emt 0:00:53]} 16. Rf3 {[%emt 0:03:06]} Bxg5 {[%emt 0:00:39]} 17. Qxg5 {[%emt 0:00:19]} f6 {[%emt 0:00:09]} 18. Qh4 {[%emt 0:00:53]} Rad8 {[%emt 0:05:31]} 19. Raf1 {[%emt 0:01:29]} Rd4 {[%emt 0:09:02]} 20. g4 {[%emt 0:05:59]} h6 {[%emt 0:07:22]} 21. Bd3 {[%emt 0:04:01]} Qd7 {[%emt 0:03:08]} 22. g5 {[%emt 0:03:11]} fxg5 {[%emt 0:01:23]} 23. Qg3 {[%emt 0:01:53]} Rf4 {[%emt 0:05:53]} 24. Ne2 {[%emt 0:01:33]} Rd6 {[%emt 0:00:09]} 25. Nxf4 {[%emt 0:03:58]} gxf4 {[%emt 0:00:25]} 26. Qe1 {[%emt 0:03:39]} Nf6 {[%emt 0:00:43]} 27. Qb4 {[%emt 0:08:09]} Qc7 {[%emt 0:10:51]} 28. Re1 {[%emt 0:07:55]} Bg4 {[%emt 0:04:52]} 29. Rff1 {[%emt 0:01:28]} Bh3 {[%emt 0:02:30]} 30. Rf3 {[%emt 0:02:16]} Bg4 {[%emt 0:00:17]} 31. Rff1 {[%emt 0:00:27]} c5 {[%emt 0:02:32]} 32. Qc3 {[%emt 0:02:35]} Rd4 {[%emt 0:00:42]} 33. b4 {[%emt 0:03:15]} Rxb4 {[%emt 0:00:56]} 34. Rb1 {[%emt 0:00:52]} Rxb1 {[%emt 0:01:20]} 35. Rxb1 {[%emt 0:00:02]} Bf3+ {[%emt 0:02:53]} 36. Kg1 {[%emt 0:00:03]} Qc8 {[%emt 0:10:00]} 37. Rb5 {[%emt 0:03:33]} Qg4+ {[%emt 0:03:39]} 38. Kf1 {[%emt 0:00:06]} Qg2+ {[%emt 0:01:30]} 39. Ke1 {[%emt 0:00:06]} Qg1+ {[%emt 0:02:47]} 40. Bf1 {[%emt 0:02:24]} Bxe4 {[%emt 0:13:01]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.39"]
[White "Lopez Garcia, Miguel Angel"]
[Black "Arvizu Borchardt, David Ivan"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1710"]
[BlackElo "1987"]
[Annotator "ChessBase"]
[PlyCount "115"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} c5 {[%emt 0:09:02]} 2. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:38]} 3. Nc3 {[%emt 0:00:20]} g6 {[%emt 0:00:16]} 4. Bc4 {[%emt 0:00:06]} Bg7 {[%emt 0:00:09]} 5. O-O {[%emt 0:00:07]} d6 {[%emt 0:00:10]} 6. Re1 {[%emt 0:06:08]} e6 {[%emt 0:00:20]} 7. d3 {[%emt 0:03:49]} Nge7 {[%emt 0:00:30]} 8. Bb3 {[%emt 0:02:08]} O-O {[%emt 0:01:15]} 9. Bf4 {[%emt 0:08:19]} Na5 {[%emt 0:08:38]} 10. Qd2 {[%emt 0:09:50]} Nxb3 {[%emt 0:06:08]} 11. axb3 {[%emt 0:00:08]} e5 {[%emt 0:05:49]} 12. Bh6 {[%emt 0:06:27]} f5 {[%emt 0:06:59]} 13. Bg5 {[%emt 0:03:19]} Be6 {[%emt 0:07:53]} 14. exf5 {[%emt 0:10:32]} Rxf5 {[%emt 0:02:21]} 15. Ne4 {[%emt 0:04:14]} Qd7 {[%emt 0:04:08]} 16. Ra4 {[%emt 0:10:54]} Nc6 {[%emt 0:06:55]} 17. Nh4 {[%emt 0:03:59]} Rf7 {[%emt 0:00:38]} 18. Bh6 {[%emt 0:02:44]} Raf8 {[%emt 0:01:45]} 19. Qg5 {[%emt 0:02:49]} b6 {[%emt 0:02:12]} 20. Bxg7 {[%emt 0:04:39]} Kxg7 {[%emt 0:00:20]} 21. Ng3 {[%emt 0:03:53]} Ne7 {[%emt 0:10:25]} 22. f3 {[%emt 0:06:01]} h6 {[%emt 0:01:21]} 23. Qe3 {[%emt 0:00:55]} b5 {[%emt 0:00:54]} 24. Ra6 {[%emt 0:02:11]} Rf4 {[%emt 0:02:38]} 25. Ne4 {[%emt 0:01:01]} Rxh4 {[%emt 0:00:02]} 26. Rxd6 {[%emt 0:00:44]} Rxe4 {[%emt 0:00:15]} 27. Rxd7 {[%emt 0:00:11]} Rxe3 {[%emt 0:00:11]} 28. Rxe7+ {[%emt 0:00:07]} Kf6 {[%emt 0:00:26]} 29. Rxe6+ {[%emt 0:00:05]} Kxe6 {[%emt 0:00:11]} 30. Rxe3 {[%emt 0:00:05]} Kd5 {[%emt 0:03:57]} 31. Kf2 {[%emt 0:01:13]} Rf6 {[%emt 0:01:09]} 32. Ke2 {[%emt 0:01:35]} Ra6 {[%emt 0:00:39]} 33. c4+ {[%emt 0:00:31]} Kd6 {[%emt 0:01:06]} 34. Kd2 {[%emt 0:00:43]} Ra2 {[%emt 0:04:05]} 35. Kc2 {[%emt 0:00:05]} Ra1 {[%emt 0:00:46]} 36. cxb5 {[%emt 0:00:26]} Ra5 {[%emt 0:01:00]} 37. Re4 {[%emt 0:00:32]} Rxb5 {[%emt 0:00:45]} 38. Ra4 {[%emt 0:00:11]} a5 {[%emt 0:01:44]} 39. Rg4 {[%emt 0:00:07]} g5 {[%emt 0:01:10]} 40. h4 {[%emt 0:00:07]} Rb4 {[%emt 0:00:56]} 41. Rxb4 {[%emt 0:02:17]} axb4 {[%emt 0:00:08]} 42. hxg5 {[%emt 0:00:18]} hxg5 {[%emt 0:00:03]} 43. Kd2 {[%emt 0:00:10]} Ke6 {[%emt 0:00:46]} 44. Ke3 {[%emt 0:00:08]} Kf5 {[%emt 0:04:47]} 45. g3 {[%emt 0:00:13]} Kf6 {[%emt 0:02:51]} 46. Ke4 {[%emt 0:00:09]} Ke6 {[%emt 0:00:11]} 47. g4 {[%emt 0:00:05]} Kd6 {[%emt 0:00:08]} 48. Kf5 {[%emt 0:00:09]} Kd5 {[%emt 0:00:02]} 49. Kxg5 {[%emt 0:00:10]} Kd4 {[%emt 0:00:01]} 50. Kf5 {[%emt 0:00:10]} Kxd3 {[%emt 0:00:06]} 51. g5 {[%emt 0:00:06]} Kc2 {[%emt 0:00:13]} 52. g6 {[%emt 0:00:07]} Kxb3 {[%emt 0:00:06]} 53. g7 {[%emt 0:00:07]} Kxb2 {[%emt 0:00:05]} 54. g8=Q {[%emt 0:00:07]} Kc3 {[%emt 0:00:38]} 55. Qd5 {[%emt 0:00:33]} c4 {[%emt 0:00:11]} 56. Kxe5 {[%emt 0:00:14]} b3 {[%emt 0:01:27]} 57. Qd4+ {[%emt 0:00:06]} Kb4 {[%emt 0:00:41]} 58. Kd5 {[%emt 0:00:06]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.40"]
[White "Macias Zamora, Jose Armando"]
[Black "Paredes Guzman, Francisco Javier"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1488"]
[BlackElo "1891"]
[Annotator "NA"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:04]} d6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:04]} 5. Nc3 {[%emt 0:00:05]} a6 {[%emt 0:00:02]} 6. Rg1 {[%emt 0:00:05]} e5 {[%emt 0:01:30]} 7. Nb3 {[%emt 0:00:06]} Be6 {[%emt 0:02:11]} 8. g4 {[%emt 0:00:08]} d5 {[%emt 0:02:28]} 9. exd5 {[%emt 0:02:30]} Nxd5 {[%emt 0:00:08]} 10. Nxd5 {[%emt 0:00:12]} Qxd5 {[%emt 0:00:18]} 11. Qxd5 {[%emt 0:00:09]} Bxd5 {[%emt 0:00:04]} 12. Be3 {[%emt 0:00:16]} Nc6 {[%emt 0:14:06]} 13. O-O-O {[%emt 0:04:15]} Nb4 {[%emt 0:25:40]} 14. Kb1 {[%emt 0:40:58]} Be4 {[%emt 0:01:30]} 15. Bd3 {[%emt 0:00:12]} Nxd3 {[%emt 0:00:04]} 16. cxd3 {[%emt 0:00:08]} Bf3 {[%emt 0:04:14]} 17. Rc1 {[%emt 0:04:01]} Bd6 {[%emt 0:07:24]} 18. h3 {[%emt 0:07:58]} O-O {[%emt 0:09:21]} 19. d4 {[%emt 0:01:32]} Rfd8 {[%emt 0:01:25]} 20. Nd2 {[%emt 0:05:10]} Bd5 {[%emt 0:04:32]} 21. Nc4 {[%emt 0:04:05]} exd4 {[%emt 0:01:59]} 22. Bxd4 {[%emt 0:00:16]} Bh2 {[%emt 0:05:28]} 23. Rgd1 {[%emt 0:02:30]} Bxc4 {[%emt 0:03:36]} 24. Rxc4 {[%emt 0:11:03]} Be5 {[%emt 0:00:06]} 25. a4 {[%emt 0:01:19]} b5 {[%emt 0:00:06]} 26. axb5 {[%emt 0:00:48]} axb5 {[%emt 0:00:03]} 27. Rb4 {[%emt 0:00:30]} Ra4 {[%emt 0:00:06]} 28. Rxa4 {[%emt 0:00:29]} bxa4 {[%emt 0:00:05]} 29. Bxe5 {[%emt 0:00:17]} Rxd1+ {[%emt 0:00:04]} 30. Ka2 {[%emt 0:00:15]} f6 {[%emt 0:00:26]} 31. Bg3 {[%emt 0:00:20]} Rd3 {[%emt 0:00:07]} 32. Kb1 {[%emt 0:02:07]} Kf7 {[%emt 0:00:06]} 33. Kc2 {[%emt 0:00:09]} Rb3 {[%emt 0:00:06]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.42"]
[White "Hernandez Jimenez, Alexander Andres"]
[Black "Rolandi Rodriguez, Dario"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2167"]
[BlackElo "1356"]
[Annotator "ChessBase"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} e5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:06]} 3. Bc4 {[%emt 0:00:23]} Bc5 {[%emt 0:00:15]} 4. c3 {[%emt 0:01:47]} Nf6 {[%emt 0:00:42]} 5. d3 {[%emt 0:00:08]} d6 {[%emt 0:00:13]} 6. O-O {[%emt 0:01:31]} a6 {[%emt 0:00:38]} 7. d4 {[%emt 0:05:19]} Ba7 {[%emt 0:01:59]} 8. dxe5 {[%emt 0:00:31]} Nxe5 {[%emt 0:00:42]} 9. Nxe5 {[%emt 0:00:11]} dxe5 {[%emt 0:00:03]} 10. Qxd8+ {[%emt 0:36:24]} Kxd8 {[%emt 0:00:14]} 11. Nd2 {[%emt 0:04:47]} Ke7 {[%emt 0:04:08]} 12. b3 {[%emt 0:12:23]} b5 {[%emt 0:04:10]} 13. Be2 {[%emt 0:05:38]} Bb7 {[%emt 0:01:03]} 14. a4 {[%emt 0:06:09]} Bc6 {[%emt 0:12:15]} 15. Nf3 {[%emt 0:01:56]} Nd7 {[%emt 0:05:37]} 16. Ba3+ {[%emt 0:01:18]} Kf6 {[%emt 0:02:49]} 17. axb5 {[%emt 0:02:16]} axb5 {[%emt 0:03:48]} 18. c4 {[%emt 0:04:18]} bxc4 {[%emt 0:01:41]} 19. Bxc4 {[%emt 0:00:02]} Bxe4 {[%emt 0:03:37]} 20. Rad1 {[%emt 0:03:24]} Rhd8 {[%emt 0:06:57]} 21. Bb2 {[%emt 0:00:03]} Bxf3 {[%emt 0:04:59]} 22. gxf3 {[%emt 0:00:02]} Bc5 {[%emt 0:05:12]} 23. f4 {[%emt 0:01:26]} Bd4 {[%emt 0:11:52]} 24. Bxd4 {[%emt 0:00:58]} exd4 {[%emt 0:00:15]} 25. Rxd4 {[%emt 0:00:02]} Nb6 {[%emt 0:00:46]} 26. Rfd1 {[%emt 0:01:09]} Rxd4 {[%emt 0:05:24]} 27. Rxd4 {[%emt 0:00:02]} Nxc4 {[%emt 0:00:26]} 28. Rxc4 {[%emt 0:00:03]} Ra7 {[%emt 0:00:34]} 29. Kg2 {[%emt 0:00:27]} Rb7 {[%emt 0:01:21]} 30. b4 {[%emt 0:03:12]} Ke6 {[%emt 0:03:17]} 31. Rc6+ {[%emt 0:06:03]} Kd7 {[%emt 0:20:50]} 32. Rc4 {[%emt 0:04:25]} Kd6 {[%emt 0:00:30]} 33. Kf3 {[%emt 0:00:30]} c6 34. Ke4 {[%emt 0:00:00]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.43"]
[White "Real Pereyra, Jeronimo"]
[Black "Pereira Vera, Henry Alberto"]
[Result "1/2-1/2"]
[WhiteElo "2147"]
[BlackElo "1775"]
[Annotator "NA"]
[PlyCount "11"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:19:51]} d5 {[%emt 0:00:21]} 2. exd5 {[%emt 0:00:06]} Qxd5 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:05]} Qd6 {[%emt 0:00:06]} 4. d4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:51]} 5. Nf3 {[%emt 0:00:07]} c6 {[%emt 0:00:56]} 6. Ne5 {[%emt 0:00:52]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.44"]
[White "Salazar Moreno, Rafael"]
[Black "Pla Montero, Silvio"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1778"]
[Annotator "NA"]
[PlyCount "94"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:53]} Nf6 2. Nf3 {[%emt 0:01:19]} g6 {[%emt 0:02:38]} 3. Bf4 {[%emt 0:00:42]} Bg7 {[%emt 0:00:07]} 4. e3 {[%emt 0:00:53]} d6 {[%emt 0:00:14]} 5. h3 {[%emt 0:00:18]} O-O {[%emt 0:00:06]} 6. Be2 {[%emt 0:02:20]} c5 {[%emt 0:00:58]} 7. c3 {[%emt 0:00:19]} b6 {[%emt 0:00:29]} 8. O-O {[%emt 0:01:57]} Bb7 {[%emt 0:00:14]} 9. Nbd2 {[%emt 0:02:19]} Nbd7 {[%emt 0:00:18]} 10. a4 {[%emt 0:02:57]} a6 {[%emt 0:00:45]} 11. Re1 {[%emt 0:04:52]} Ra7 {[%emt 0:00:48]} 12. Nh2 {[%emt 0:02:00]} Qa8 {[%emt 0:12:33]} 13. Bf3 {[%emt 0:01:20]} Ne4 {[%emt 0:06:41]} 14. Nxe4 {[%emt 0:02:11]} Bxe4 {[%emt 0:00:02]} 15. Bxe4 {[%emt 0:00:02]} Qxe4 {[%emt 0:00:02]} 16. Qf3 {[%emt 0:00:00]} Qb7 {[%emt 0:18:48]} 17. Qxb7 {[%emt 0:09:57]} Rxb7 {[%emt 0:00:02]} 18. Red1 {[%emt 0:00:29]} cxd4 {[%emt 0:01:45]} 19. exd4 {[%emt 0:01:09]} Rc8 {[%emt 0:00:08]} 20. Re1 {[%emt 0:02:15]} Nf6 {[%emt 0:02:46]} 21. Nf3 {[%emt 0:05:49]} Nd5 {[%emt 0:02:22]} 22. Bg3 {[%emt 0:00:45]} h6 {[%emt 0:08:06]} 23. Re2 {[%emt 0:03:03]} b5 {[%emt 0:03:54]} 24. axb5 {[%emt 0:02:57]} axb5 {[%emt 0:00:01]} 25. Nd2 {[%emt 0:02:27]} b4 {[%emt 0:01:57]} 26. c4 {[%emt 0:24:40]} Nb6 {[%emt 0:00:10]} 27. b3 {[%emt 0:02:34]} Bxd4 {[%emt 0:38:06]} 28. Rae1 Kf8 {[%emt 0:00:00]} 29. Ne4 {[%emt 0:03:58]} d5 {[%emt 0:00:00]} 30. Rd1 {[%emt 0:01:37]} dxe4 {[%emt 0:00:00]} 31. Rxd4 {[%emt 0:00:37]} f5 {[%emt 0:00:00]} 32. Red2 {[%emt 0:01:32]} Ke8 {[%emt 0:00:00]} 33. Ra2 {[%emt 0:04:01]} Nd7 {[%emt 0:00:00]} 34. Ra6 {[%emt 0:02:15]} Kf7 {[%emt 0:00:00]} 35. Ra5 {[%emt 0:00:01]} Nc5 {[%emt 0:00:00]} 36. Rb5 {[%emt 0:02:17]} Rxb5 {[%emt 0:00:00]} 37. cxb5 {[%emt 0:00:09]} Nd3 {[%emt 0:00:00]} 38. Kf1 {[%emt 0:08:04]} e5 {[%emt 0:00:34]} 39. Rd6 {[%emt 0:01:12]} f4 {[%emt 0:00:10]} 40. Bh2 {[%emt 0:00:19]} f3 {[%emt 0:01:29]} 41. gxf3 {[%emt 0:01:56]} exf3 {[%emt 0:00:00]} 42. Rc6 {[%emt 0:00:38]} Rxc6 {[%emt 0:00:07]} 43. bxc6 {[%emt 0:00:09]} Ke6 {[%emt 0:00:00]} 44. Bg3 {[%emt 0:01:53]} Kd6 {[%emt 0:00:17]} 45. Bh4 {[%emt 0:00:13]} g5 {[%emt 0:00:06]} 46. Bg3 {[%emt 0:00:05]} Kxc6 {[%emt 0:00:07]} 47. h4 {[%emt 0:00:07]} Kd5 {[%emt 0:00:07]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.45"]
[White "Hernandez Diaz, Paula Sofia"]
[Black "Solorzano, Andres"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1762"]
[BlackElo "2049"]
[Annotator "ChessBase"]
[PlyCount "80"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} d6 {[%emt 0:02:28]} 2. d4 {[%emt 0:00:20]} Nf6 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:30]} g6 {[%emt 0:00:11]} 4. Be3 {[%emt 0:01:01]} Bg7 {[%emt 0:00:08]} 5. Qd2 Nbd7 {[%emt 0:01:15]} 6. Nf3 {[%emt 0:01:24]} Ng4 {[%emt 0:03:04]} 7. Bg5 {[%emt 0:02:38]} h6 {[%emt 0:00:10]} 8. Bh4 {[%emt 0:00:31]} O-O {[%emt 0:02:23]} 9. h3 {[%emt 0:08:38]} Ngf6 {[%emt 0:00:14]} 10. O-O-O {[%emt 0:08:17]} c5 {[%emt 0:13:36]} 11. dxc5 {[%emt 0:10:01]} Nxc5 {[%emt 0:09:26]} 12. e5 {[%emt 0:08:29]} Ne8 {[%emt 0:02:37]} 13. Bc4 {[%emt 0:15:27]} g5 {[%emt 0:11:38]} 14. Bg3 {[%emt 0:12:47]} Be6 {[%emt 0:21:48]} 15. Bxe6 {[%emt 0:08:44]} Nxe6 {[%emt 0:00:31]} 16. exd6 {[%emt 0:04:05]} Nxd6 {[%emt 0:00:10]} 17. Be5 {[%emt 0:08:08]} Qa5 {[%emt 0:16:45]} 18. Bxg7 {[%emt 0:04:12]} Kxg7 {[%emt 0:00:28]} 19. Nd4 {[%emt 0:00:45]} Nf4 {[%emt 0:03:50]} 20. Nb3 {[%emt 0:01:08]} Qf5 {[%emt 0:01:55]} 21. f3 {[%emt 0:01:34]} b5 {[%emt 0:03:47]} 22. Qd4+ {[%emt 0:01:27]} Kg8 {[%emt 0:00:46]} 23. h4 {[%emt 0:00:41]} Rfc8 {[%emt 0:02:12]} 24. Kb1 {[%emt 0:01:03]} Rc4 {[%emt 0:00:47]} 25. Qf2 {[%emt 0:00:11]} b4 {[%emt 0:00:40]} 26. g4 {[%emt 0:00:28]} Qg6 {[%emt 0:00:36]} 27. Nd5 {[%emt 0:00:32]} Nxd5 {[%emt 0:00:27]} 28. Rxd5 {[%emt 0:00:06]} Rac8 {[%emt 0:00:14]} 29. Rd2 {[%emt 0:00:10]} f6 {[%emt 0:01:22]} 30. Qe2 {[%emt 0:00:41]} R8c7 {[%emt 0:00:26]} 31. hxg5 {[%emt 0:00:44]} fxg5 {[%emt 0:00:25]} 32. Qh2 {[%emt 0:00:36]} Kg7 {[%emt 0:00:29]} 33. Qe5+ {[%emt 0:00:29]} Kg8 {[%emt 0:00:47]} 34. Rhh2 {[%emt 0:00:49]} Rf4 {[%emt 0:01:02]} 35. Qd5+ {[%emt 0:00:33]} Kg7 {[%emt 0:00:34]} 36. Nd4 {[%emt 0:00:27]} Rf6 {[%emt 0:00:32]} 37. Rde2 {[%emt 0:00:38]} Rc4 {[%emt 0:00:39]} 38. Rxe7+ {[%emt 0:00:35]} Kf8 {[%emt 0:00:29]} 39. Ree2 {[%emt 0:00:22]} Qf7 {[%emt 0:00:31]} 40. Ne6+ {[%emt 0:00:39]} Rxe6 {[%emt 0:01:04]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.13"]
[Round "2.46"]
[White "Sosa Pacheco, Luis"]
[Black "Martin Del Campo Cardenas, Jorge"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1731"]
[BlackElo "2019"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,93,-16,7,0,6,6,34,13,80,50,85,8,6,11,18,0,10,14,13,-11,-23,-22,-16,-23,-16,-27,-11,-36,-34,-35,-38,-59,0,0,0,0,0,-20,-18,-41,-18,-50,0,0,0,-53,-31,-27,-8,-35,0,0,0,0,0,-17,0,0,15,-185,-164,-170,-141,-322,-10,-15,0,0,0,0,7,-214,8,0,22,-11,0,0,14,-1141]} 1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. O-O Nc6 7. d3 {7.d4 is the fancy move.} Nge7 8. Qe1 h6 9. Qh4 {B23: Closed Sicilian: Lines without g3.} Nd4 10. Nxd4 cxd4 11. Ne2 {[#] White is slightly better.} a6 $146 (11... d5 $11 12. Bb3 O-O) ({Predecessor:} 11... Bd7 12. Qf2 Qb6 13. Bb3 f5 14. c3 dxc3 15. Be3 Qa5 16. bxc3 O-O 17. Bd4 Nc6 18. exf5 Qxf5 19. Bxg7 Kxg7 {½-½ (62) Gelashvili,T (2530)-Izoria,Z (2466) Tbilisi 2001}) 12. Bb3 Bd7 13. Ng3 (13. Qf2 $16) 13... Nc6 $11 14. Qxd8+ Rxd8 15. f5 Ke7 16. Bd2 {Prevents Na5.} Be5 17. Bf4 Rc8 18. Bxe5 dxe5 19. fxg6 fxg6 20. Rf2 Rhf8 (20... Na5 {with more complications.} 21. Nf1 Rhf8 22. Rc1 Bb5 23. Rd2 b6) 21. Raf1 Rxf2 22. Rxf2 b5 23. Kf1 Nd8 (23... a5 $15 24. c3 dxc3 25. bxc3 a4) 24. Ke1 a5 25. a3 Nb7 26. Kd2 Nc5 27. Ne2 Bc6 {[%cal Oc6e4]} 28. Kd1 Ra8 (28... b4 $15) 29. Ng1 $1 b4 30. Bc4 (30. axb4 $11 Nxb3 31. cxb3) 30... bxa3 $15 31. bxa3 Rb8 $36 {[%mdl 2048] Black has the initiative.} 32. Kc1 {To avoid Rb1+} (32. Nf3 $5 {[%cal Rf3e5]}) 32... Rc8 (32... Na4 $5 {[%cal Ra4c3]} 33. Nf3 Nc3 $15) 33. Nf3 Rf8 34. Kd1 g5 35. h3 Na4 {[%cal Oc6e4]} 36. Ke1 Kd6 {[#]} 37. Nh2 $2 (37. Bxe6 $1 $11 {and White is okay.} Nc3 (37... Rxf3 38. Rxf3) 38. Bg4) 37... Rxf2 $19 38. Kxf2 {[%mdl 4096] Endgame KBN-KBN} Nc3 {White must now prevent ...Nb1.} 39. Ng4 $2 (39. Ke1 $17 {was forced.}) 39... Nb1 $2 ({Better is} 39... h5 $19 40. Nf6 Nb1) 40. Nxh6 $11 Nxa3 41. Nf7+ Ke7 42. Nxe5 Be8 {[#] And now ...Kd6 would win.} 43. Nf3 $2 (43. Ke2 $11) 43... Nxc2 $2 (43... Nxc4 $19 44. dxc4 a4 45. Nxd4 e5) 44. Nxg5 {The position is equal.} Bd7 45. h4 a4 {[%mdl 1024] Black has compensation.} 46. h5 Ne3 47. Kf3 $2 {[%mdl 8192] Weighted Error Value: White=0.41/Black=0.37} (47. h6 $11 Ng4+ 48. Ke2 Nxh6 49. Nf3) 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.1"]
[White "Sanchez Alvarez, Roberto Carlos"]
[Black "Cori, Jorge"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2407"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,53,29,30,12,25,16,18,16,23,23,25,20,24,-25,-16,-20,-20,-19,0,0,0,0,0,0,0,0,340,324,404,146,734,721,838,621,606,516,719,634,2137,1606]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 a6 6. e3 Nc6 7. Bd3 e6 8. Nf3 Bd6 9. Ne5 {D13: Slav Defence: Exchange variation without ...Bf5.} Bxe5 10. Bxe5 Nxe5 11. dxe5 {The position is equal.} Nd7 12. f4 Qb6 {[%csl LRb2,LRe3]} 13. Qd2 Nc5 {[%cal Ob6b2] [#]} 14. Rc1 $146 {[#]} (14. Be2 {deserves consideration.}) ({Predecessor:} 14. Bc2 Bd7 15. O-O Qxb2 16. Rab1 Qa3 17. f5 Rc8 18. f6 gxf6 19. Rxf6 Rg8 20. Bxh7 {0-1 (34) Jobava,B (2629)-Postny,E (2623) Chess.com INT 2019}) 14... Qxb2 $1 15. Bc2 (15. Bb5+ $2 axb5 16. Rc2 Qb4 $19) 15... Bd7 {Inhibits Na4.} 16. O-O $1 Rc8 {[%cal Oc5b3]} 17. Qd4 {[%cal Oc3e4]} Qa3 18. f5 exf5 19. Nxd5 {Threatens to win with Nb6.} Ne6 20. Qd2 Rd8 $2 {[%mdl 8192]} (20... O-O $11) 21. Bxf5 $18 ({Weaker is} 21. Rxf5 Bc6 22. e4 Bxd5 23. exd5 Rxd5 $3 $17 {[%mdl 512]}) 21... O-O 22. Rc3 $2 (22. e4 $18 Qa4 23. Rcd1) 22... Qa5 {[%mdl 8192] [#] A mistake that costs the game.} (22... Qa4 $16) 23. Bxh7+ $1 {[%mdl 512] White is clearly winning.} Kh8 {[#]} (23... Kxh7 24. e4) 24. e4 $1 {Bf5 is the strong threat.} Rc8 {[#] And now ...Rxc3 would win.} 25. Rfc1 {aiming for Bf5.} Rxc3 (25... Nd4 26. Qxd4) 26. Rxc3 {Black must now prevent Bf5.} Rd8 27. Bf5 {Weighted Error Value: White=0.38/Black=0.57} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.2"]
[White "Diaz Rosas, Julio Cesar"]
[Black "Santos Latasa, Jaime"]
[Result "0-1"]
[ECO "B68"]
[WhiteElo "2393"]
[BlackElo "2640"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,46,40,31,0,0,23,4,16,0,0,0,7,5,-131,-143,-119,-115,-398,-406,-723,-120,-670,-702,-816,-817,-873,-852,-1698,-1655]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 {seems to push 9...b5 aside.} 10. Nf3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 11. a3 {B68: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7 .} Qa5 12. Kb1 {[#] And now e5 would win.} Rd8 $146 ({Predecessor:} 12... b4 13. axb4 Nxb4 14. Bc4 Rd8 15. Rhe1 O-O 16. Bb3 Qc7 17. f5 Nc6 18. fxe6 fxe6 {½-½ (53) Raghunandan,K (2449)-Praggnanandhaa,R (2567) New Delhi 2019}) 13. Qe1 {The position is equal.} Rb8 14. e5 dxe5 15. Nxe5 {[%cal Od1d7] Hoping for Rxd7!} b4 $1 16. Nxc6 (16. Nxd7 $11 {remains equal.} Nxd7 17. Bxe7 bxc3 18. Bb4 Nxb4 19. Qxc3) 16... Bxc6 $17 17. Na2 Bd5 {White must now prevent ...Qa4.} 18. Nxb4 $2 {[%mdl 8192]} (18. Bxf6 $17 Bxa2+ 19. Kxa2 Bxf6 20. Bc4) 18... Bxb4 $19 19. axb4 (19. Qe5 $142 O-O 20. axb4 Qa2+ 21. Kc1) 19... Qa2+ $40 {[%mdl 128] Black has strong attack.} (19... Rxb4 $2 20. Bxf6 gxf6 21. Rxd5 $1 $18 {[%mdl 512]}) 20. Kc1 {[#]} Ne4 {[%cal Ra2a1] Black is clearly winning.} ({And not} 20... Qa1+ 21. Kd2 Qxb2 22. Bd3 $17) 21. c4 {[#]} O-O $1 {Threatens to win with ...Rfc8.} 22. Be7 (22. Qe3 Rfc8) 22... Rfc8 23. c5 {[#]} Nxc5 $1 {[%mdl 512] Black took control after the opening.  Weighted Error Value: White=1.29/Black=0.00 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.3"]
[White "Meier, Georg"]
[Black "Perez Gormaz, Matias"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2631"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,83,8,12,21,14,9,12,6,15,16,1,6,21,0,8,0,0,0,0,0,14,10,9,16,23,0,0,0,0,0,0,0,0,0,6,5,4,5,12,8,23,4,18,18,35,23,55,37,62,59,87,86,57,62,49,41,92,85,248,173,29970,972,2220,707,679,662,623,623,29995,29992,29996,29993]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qc2 b5 8. a4 {E05: Open Catalan: 5 Nf3 Be7.} b4 9. Nbd2 Bb7 10. Nxc4 {The position is equal.} c5 11. dxc5 Be4 12. Qd2 {[#] is now debated instead of 12.Qd1.} Na6 $146 ({Predecessor:} 12... Bxc5 13. Nfe5 Bxg2 14. Kxg2 Nbd7 15. Nxd7 Nxd7 16. Rd1 Nb6 17. Qxd8 Rfxd8 18. Nxb6 Bxb6 {½-½ (32) Dubov,D (2714)-Kryvoruchko,Y (2686) Riga 2021}) 13. Nfe5 {next Qxd8 is good for White.} Qc7 14. c6 Rad8 15. Qf4 Bxg2 16. Kxg2 Nc5 {To avoid e4} 17. Qf3 {Inhibits Nb3.} Nd5 18. e4 f6 19. Nd7 ({And not} 19. exd5 fxe5 20. Qe3 exd5 21. Nxe5 d4 $17) 19... Nxd7 20. cxd7 Qxc4 21. exd5 exd5 22. b3 Qc6 23. Bb2 Rxd7 24. Rac1 $36 {[%mdl 2048] Inhibits Qc2. Black is under pressure.} Qa8 25. Rfd1 Rfd8 26. Bd4 {[%mdl 1024] White has compensation.} Bf8 27. Qe2 Qb7 28. Qe6+ Kh8 29. Qc6 Qb8 30. Rc2 Bd6 31. Rdc1 Rc7 32. Qa6 {[#] aiming for Rxc7.} Rb7 33. f4 h6 34. Rc6 Kg8 (34... Bf8 $14) 35. Qd3 $16 {White is much more active.} Kf7 $2 {This costs Black the game.} (35... Rf7 $16 {was worth a try.}) 36. Qf5 {Black must now prevent Rc8.} Bf8 $2 {[#]} (36... Rbd7 $18 37. Re1 (37. Qxd5+ Kg6 $16) 37... Re7) 37. Qe6+ Kg6 38. Rc8 (38. Qg8 $142 Rd6 39. Rc8) 38... Rxc8 $18 39. Rxc8 {Intending Qe8+ and mate.} Qd6 40. Qe8+ Kf5 41. Kf3 {[%csl Gf3][%cal Rg3g4]} h5 42. h3 {Weighted Error Value: White=0.08 (flawless) /Black=0.44} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.4"]
[White "Fier, Alexandr"]
[Black "Jimenez Garcia, Emmanuel"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2583"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,116,61,54,31,18,40,25,36,51,20,15,16,37,0,24,13,18,3,41,34,39,28,35,8,10,8,41,33,61,54,54,0,0,0,0,0,0,-8,0,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-29958,-12847,-12845,-11229,-29967,-29966,-29970,-12556,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29980,-29982,-29983,-29982,-29982,-29983,-29983,-29983]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Be6 7. O-O-O+ Nbd7 8. g3 Kc8 9. f4 h6 10. Bxf6 Nxf6 11. Nf3 $1 {[%cal Bg1f3,Bf3d4,Bd4e2][%mdl 32] B07: Pirc Defence: Miscellaneous Systems.} ({Much weaker is} 11. fxe5 Ng4 12. Nh3 g5 $15) 11... exf4 12. gxf4 g6 {Prevents f5.} 13. Nd4 {White has an edge.} Bg4 14. Be2 Bxe2 15. Ndxe2 Bc5 16. h3 {[#]} c6 $146 ({Predecessor:} 16... Nh5 17. Rd3 Rd8 18. Rhd1 Rxd3 19. cxd3 Kd7 20. d4 Be7 21. e5 f5 22. d5 Bc5 {½-½ (58) Sreyas,P (2144)-Koellner,R (2337) Bremen 2020}) 17. e5 Nh5 18. Rhf1 f5 {Prevents Ne4.} 19. Nd4 Bxd4 20. Rxd4 Rd8 21. Rc4 Kd7 $1 22. Rg1 Rg8 23. h4 {Prevents g5.} Ke7 24. a4 a5 25. Nd1 ({White should try} 25. Kd2 $14) 25... Kf7 $11 26. Ne3 Rgd8 27. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Rac8 28. Rf1 Ke6 29. b4 b5 30. axb5 cxb5 31. Rxc8 Rxc8 32. bxa5 {[%mdl 4096] Endgame KRN-KRN} Ra8 33. Kb2 Rxa5 34. Kb3 Ra7 35. c3 Ra8 36. Nc2 Kd5 37. Nd4 Ke4 38. Nxb5 {[#] e6 is the strong threat.} Nxf4 39. e6 Rb8 (39... Nxe6 $2 40. Re1+ Kd3 41. Rxe6 $18) 40. Re1+ Kd3 41. e7 Rxb5+ {KRN-KR} 42. Ka4 Rb8 {Threatens to win with ...Re8.} 43. e8=Q Rxe8 44. Rxe8 Kxc3 {aiming for ...Kd3. KR-KN} 45. Rd8 Ng2 46. h5 gxh5 {[%cal Bg6h5,Bh5h4][%mdl 32] White must now prevent ...f4.} 47. Rf8 $2 {[%mdl 8192] [#] Now White is beyond hope.} (47. Rd5 $11) 47... f4 $1 {[%cal Bf5f4,Bf4f3][%mdl 32]} ({Worse is} 47... h4 48. Rxf5 Kd4 49. Kb4 $11 (49. Rh5 Ke4 $11)) 48. Rf6 h4 49. Kb5 Kd3 50. Kc5 h5 {( -> ...h3)} 51. Ra6 f3 {Black mates.} 52. Ra3+ Ke4 53. Ra4+ Ke3 54. Ra3+ Kf4 55. Ra4+ Kg3 56. Kd4 h3 57. Ra1 f2 58. Rf1 Kf3 {Weighted Error Value: White=0.38/Black=0.04 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.5"]
[White "Gemy, Jose Daniel"]
[Black "Alonso Rosell, Alvar"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2381"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,41,81,82,0,0,-44,0,0,0,0,0,0,18,16,22,0,0,0,0,0]} 1. e4 {Konikowski} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 {[%cal Bc1g5,Bg5h4,Bh4f2][%mdl 32]} e6 7. f4 {[%cal Bf2f4,Bf4g5][%mdl 32]} Nc6 8. Nxc6 bxc6 9. e5 h6 10. Bh4 g5 11. fxg5 Nd5 12. Ne4 Qb6 {And now ...Qb4+ would win.} 13. c4 {B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7.} (13. Nxd6+ $2 Bxd6 14. exd6 Qb4+ 15. Qd2 Qxh4+ 16. Kd1 Qxg5 17. Qxg5 hxg5 $19) ({White should play} 13. c3 $16) 13... Qxb2 $11 {[%cal Od6e5]} 14. exd6 {[#]} (14. Qb1 $2 Qxe5 15. g6 (15. cxd5 $2 cxd5 16. Be2 dxe4 $19) 15... f5 $1 16. cxd5 Bg7 $19) (14. g6 $11 fxg6 15. exd6) 14... hxg5 $1 15. Bf2 $1 {The position is equal.} ({Much worse is} 15. Bxg5 {[#]} Qe5 $1 16. cxd5 (16. Bd3 $2 f5 $19) 16... Qxe4+ 17. Qe2 Qb4+ 18. Bd2 Qb2 $17) 15... Bg7 16. Rb1 $1 Qe5 17. Qe2 Nf4 18. Qe3 {Hoping for g3.} f5 19. Nxg5 {g3 is the strong threat.} Qa5+ 20. Kd1 $1 {Chess con chili.} ({Don't blunder} 20. Qd2 $2 Bc3 21. Be3 Bxd2+ $19) 20... Qxa2 21. Kc1 {[#] A balanced but interesting game.  Weighted Error Value: White=0.12 (very precise) /Black=0.10 (very precise)} {Predecessor:} e5 $146 22. Bg3 Ng6 23. Be2 Bd7 24. h3 f4 25. Qe4 Qa3+ 26. Rb2 Rb8 27. Qxg6+ Kd8 28. Qb1 e4 {0-1 (28) Przybylski,J-Konikowski,J corr 2005 Telechess CBM 111 [Konikowski]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.6"]
[White "Albornoz Cabrera, Carlos Daniel"]
[Black "Veiga, Jose Francisco R P N"]
[Result "0-1"]
[ECO "C95"]
[WhiteElo "2567"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,84,29,33,13,47,41,48,35,34,34,64,56,80,38,106,116,115,114,109,95,103,79,81,-54,75,91,78,91,99,58,74,49,39,7,15,15,14,0,0,-456,-339,-340,-333,-382,-355,-424,-419,-416,-398,-381,-391,-1012,-938,-1714,-1675,-29977,-29976,-29984,-29985,-29985,-29986,-29986,-29987,-29995,-29996]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. c4 c6 12. Qc2 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4.} Qc7 (12... a5 $5 {[%cal Ra5a4]} 13. cxb5 cxb5 $11) 13. a3 Bb7 14. Nc3 {White is slightly better.} Rac8 15. Be3 h6 {[#]} 16. Nh4 $146 ({Predecessor:} 16. Rad1 a5 17. Nh4 b4 18. axb4 axb4 19. Ne2 Rfe8 20. dxe5 Nxe5 21. Nf5 Bf8 22. Neg3 {1-0 (34) Hakobyan,A (2603)-Davtyan,A (2453) Tsaghkadzor 2021}) 16... bxc4 {[#]} 17. Bxc4 (17. Nf5 $1 $16 cxb3 18. Nxe7+ Kh8 19. Qxb3) 17... Nb6 (17... exd4 $14 18. Bxd4 c5 19. Bxf6 Bxf6) 18. Ba2 $1 $16 exd4 19. Bxd4 c5 20. Be3 d5 21. e5 Ne4 22. Ng6 Rfe8 {[#]} (22... fxg6 $15 {keeps the upper hand.} 23. Qxe4 Qc6) 23. Nxd5 $1 Nxd5 24. Qxe4 c4 {[#]} 25. Nxe7+ ({White should try} 25. Rac1 $1 $16 {[%cal Rc1c4]} Bxa3 (25... Nc3 26. Qxc4) 26. bxa3) 25... Rxe7 $14 26. Bd4 {And now Qg4 would win.} Nb4 27. Qf5 (27. Qg4 $5 {[%cal Ra3b4]} Nc2 28. Rad1 (28. e6 f5 $17) 28... Nxe1 29. Rxe1 $11) 27... Nxa2 28. Rxa2 Rd8 29. Bc3 Re6 $40 {[%mdl 128] ...Rg6 is the strong threat. Black mounts an attack.} 30. Qf4 $2 {[%mdl 8192] [#]} (30. f3 $11 {and White has nothing to worry.}) 30... Rf6 $3 {[%mdl 512]} 31. Qh2 Rg6 32. g4 {[%cal Oe5e6]} Qc6 33. Raa1 {[#]} h5 $1 {[%cal Bh6h5,Bh5g4,Bg4g3][%mdl 32] White must now prevent ...Rd3.} 34. Re3 Rd3 {Threatens to win with ...Rxe3.} ({But not} 34... hxg4 $2 35. Rg3 $19) 35. Rae1 hxg4 36. h4 $2 (36. e6 gxh3+ 37. Kf1 fxe6 38. Qxh3) 36... Rh6 $19 37. e6 Rxe6 {[%cal Og4g3] Hoping for ...g3!} 38. Rxe6 fxe6 {Black mates.} 39. Re3 g3 40. Qh3 Rxe3 41. fxe3 Qf3 {[%csl Gg3][%cal Rf3f2]} 42. Qxe6+ Kh7 {Weighted Error Value: White=0.80/Black=0.15 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.7"]
[White "Galaviz Medina, Sion Radamantys"]
[Black "Cuenca Jimenez, Jose Fernando"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2374"]
[BlackElo "2552"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,66,22,14,53,14,42,31,56,43,52,43,76,77,68,72,53,41,91,81,78,82,74,53,100,107,107,106,112,51,120,127,116,108,137,142,140,135,135,137,128,143,194,143,149,135,192,170,186,141,191,98,104,104,98,106,119,123,143]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. Bg5 Nbd7 6. e3 b6 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} 7. Bd3 Bb7 8. f3 $1 c5 {White is slightly better.} 9. Nge2 h6 10. Bh4 O-O 11. O-O cxd4 12. exd4 Rc8 {[#]} 13. Qa4 $146 ({Predecessor:} 13. Ne4 d5 14. Nxf6+ Nxf6 15. b3 Be7 16. Rfd1 Qd7 17. Rac1 Rfd8 18. Bf2 Ba3 19. Rb1 {0-1 (52) Galopoulos,N (2429)-Sargissian,G (2676) Tallinn 2019}) 13... Bxc3 (13... a5 $14) 14. Nxc3 $16 (14. bxc3 Qc7 $11) 14... a6 15. Qa3 Qc7 16. Rad1 Rfe8 (16... d5 $14 {might be stronger.}) 17. Bg3 e5 18. Bf5 Rcd8 {[#]} 19. Bh4 (19. Qb4 $1 $16) 19... Rb8 (19... Qxc4 $14 20. Qxd6 Nf8 21. Qxb6 exd4) 20. b3 b5 {[%cal Ob5b4]} 21. dxe5 Nxe5 {[%cal Ob5b4]} 22. Bxf6 ({Weaker is} 22. Rxd6 bxc4 23. Bc2 (23. Bxf6 cxb3 24. Bxe5 Rxe5 $11) 23... Rbd8 $11) 22... gxf6 23. Qxd6 ({But not} 23. Rxd6 $6 bxc4 24. Rxf6 cxb3 $14) 23... Qxd6 24. Rxd6 bxc4 25. f4 Nc6 (25... Nd3 $16 26. bxc4 Nb2) 26. bxc4 ({White should play} 26. Bd7 $18) 26... Na5 27. Bd3 {White is more active.} ({Reject} 27. Rxf6 $6 Nxc4 28. Rxh6 Ne3 $11) 27... Red8 (27... Kg7 $16 {might work better.} 28. Rb1 Rbd8 29. Rxd8 Rxd8) 28. Rxd8+ Rxd8 29. Nd5 (29. Rd1 $18 {[%cal Od3h7] Bh7+! is the strong threat.} Kf8 30. Kf2) 29... Kg7 {To avoid Bh7} (29... Bxd5 $16 {was worth a try.} 30. cxd5 Rxd5 31. Bxa6 Rd2) 30. Rb1 ({White should try} 30. Rd1 $18) 30... Bxd5 {White is better.} 31. cxd5 Rxd5 32. Bxa6 Rd2 {[#]} 33. Ra1 $1 Rd4 {Weighted Error Value: White=0.13 (very precise) /Black=0.21 (precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.8"]
[White "Vazquez, Guillermo"]
[Black "Garcia Guerrero, Isaac Antonio"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2545"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,77,31,41,19,30,27,35,25,73,65,82,75,101,112,103,108,100,103,94,80,106,93,219,218,217,216,258,245,548,548,528,520,567,552,693,691,684,684,676,662,648,640,945,969,941,909,852,835]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. f3 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 Be6 11. Rc1 Qa5 12. Be2 Rfc8 13. b3 a6 14. Na4 Qxd2+ 15. Kxd2 Nd7 16. g4 f5 17. exf5 {B36: Sicilian: Maroczy Bind: Gurgenidze System.} gxf5 18. h3 Rf8 {[%cal Ob7b5]} 19. f4 {[#] White is slightly better.} Nc5 $146 (19... d5 $11) ({Predecessor:} 19... Rad8 20. Rhd1 {½-½ (20) Dominguez Perez,L (2758)-Guseinov,G (2666) Moscow 2019}) 20. Nb6 Ne4+ 21. Kc2 Ng3 {[%csl LRe2,LRh1]} 22. Nxa8 Rxa8 23. Bf3 {[#] And now Rhe1 would win.} Nxh1 24. Rxh1 Rb8 25. Re1 Kf7 26. Ba7 Rc8 (26... fxg4 $16 27. hxg4 (27. Bxg4 Bxg4 28. hxg4 Rc8 $14) 27... Rh8) 27. g5 $18 (27. Bxb7 $2 Rc7 28. Rxe6 Rxb7 29. gxf5 Rxa7 $19) 27... Bxc4 28. bxc4 Rxc4+ 29. Kd2 {[#] Threatens to win with Bd5+.} Bc3+ $2 (29... e6 {is more resistant.} 30. Rc1 (30. Bxb7 Rxf4 31. Bc8 Be5 $16) 30... Rxc1 31. Kxc1 d5) 30. Kd3 {aiming for Bd5+. White is clearly winning.} Bxe1 31. Kxc4 b5+ 32. Kd5 Bd2 33. Bh5+ Kf8 34. Ke6 Bxf4 35. Kxf5 Bd2 36. Bb6 h6 37. g6 {Bd4 is the strong threat.} Bc3 {To avoid Bd4} 38. Bf3 Kg7 39. h4 {White took control after the opening.  Weighted Error Value: White=0.05 (flawless) /Black=0.45} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.9"]
[White "Santos, Jose Guilherme B Lim"]
[Black "Gonzalez Zamora, Juan Carlos"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2363"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,139,53,33,72,26,25,23,46,32,50,8,12,13,18,12,9,7,15,10,47,28,47,47,47,47,47,47,47,47,66,18,25,8,173,150,150,152,164,161,167,153,140,143,382,378,380,375,475,509,808,553,555,543,527,529,531,533,527,491,533,559,559,552,520,491,662,651,1428,1368,1241,1264,1143,922,871,798,12830,12833,12833,12833,12833,12834,12834,12835,12835,12835,12835,12835,12836,12834,12834,12834,12834,12835,12835,12835,12838,12839,12840,12840,12841,12841,12841,12842,27999,27999,27999,27999,27999,27999,27999,27999,27999,27999,27999,27999,27999,27999,27999,27999]} 1. d4 {ChessBase II} Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 O-O 8. Be2 d6 9. O-O Nbd7 10. b4 Ne4 11. Qc2 f5 12. Bb2 Ng5 {E14: Queen's Indian: Classical Variation (4 e3).} 13. Nxg5 (13. Nd2 $16) 13... Qxg5 $11 {[%csl Gb7][%cal Rg5g2]} 14. d5 Nf6 {White has an edge.} 15. f4 Qg6 {[#]} 16. Bf3 $146 (16. Rf3 $14) ({Predecessor:} 16. Rf3 Qe8 17. Rg3 Rf7 18. Bd3 exd5 19. Bxf5 Ne4 20. Bxe4 Qxe4 21. Qc3 d4 22. Qxd4 Qxd4 23. Bxd4 {½-½ (33) Cossin,S (2516)-Wirig,A (2496) Montpellier 2015 CBM 166 Extra [ChessBase II]}) 16... Rae8 17. Qd3 Re7 18. a4 exd5 19. cxd5 Rfe8 20. Rfe1 a6 21. Rac1 Qf7 {[%cal Rf6d5]} 22. Bxf6 Qxf6 23. Qc3 Qf7 24. Qd4 h6 25. g3 g5 26. Kf2 {White is more active.} (26. Rc3 $14 {is more appropriate.}) 26... g4 27. Bg2 Re4 $2 28. Bxe4 $18 Rxe4 29. Qd2 Bxd5 {[#]} 30. Rxc7 {[%mdl 512]} Qxc7 31. Qxd5+ $16 {[%mdl 4096] Endgame KQR-KQR} Qf7 32. Qxd6 Rc4 $2 {This costs Black the game.} (32... Kh7 $16 33. Qxb6 Qa2+ 34. Re2 Qd5) 33. Rd1 $18 Kh7 34. Qxb6 Rc7 35. Qxa6 Rd7 {To avoid Qd3} (35... Qa2+ $142 36. Kg1 Rf7) 36. Qe2 Rxd1 37. Qxd1 {KQ-KQ} Qa2+ 38. Kg1 Qa3 39. Qd7+ Kg6 40. Qd6+ Kg7 41. Qd4+ Kg6 42. e4 Qc1+ 43. Kf2 {Strongly threatening exf5+.} Qc2+ 44. Ke3 {Threatens to win with exf5+.} Qxh2 45. exf5+ Kh5 {[#]} 46. f6 $1 Qxg3+ 47. Kd2 Qg2+ 48. Kc3 {Black must now prevent f7.} Qc6+ 49. Qc5+ Qxc5+ 50. bxc5 {f7 would kill now. KP-KP} g3 51. f7 g2 52. f8=Q {White threatens Qg8 and mate.} g1=Q {Inhibits Qg8. KQ-KQ} 53. Qf5+ Kh4 54. Qf6+ Kh5 55. Qe5+ Kh4 56. Kb4 Qb1+ 57. Ka5 Qb7 58. Qf6+ Kg3 59. Qxh6 Qa7+ 60. Kb5 Qb8+ 61. Qb6 Qe8+ 62. c6 Kxf4 63. Qd4+ {White mates.} Kf3 64. Qd6 Qe2+ 65. Ka5 Qe1+ 66. Kb6 Qe3+ 67. Qc5 Qb3+ 68. Ka5 Qb8 69. c7 Qc8 70. Qc6+ {Weighted Error Value: White=0.14 (very precise) /Black=0.35} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.10"]
[White "Obregon Rivero, Juan Carlos"]
[Black "Noboa Silva, Kevin"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2536"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "185"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,185,14,17,33,32,56,18,16,0,0,0,14,7,1,0,16,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29960,29961,29962,29963,29962,29964,29969,29966,29966,29967,29967,29966,29968,29969,29968,29969,29975,29977,29978,29979,29979,29980,29980,29980,29980,29974,29975,29976,29981,29981,29980,29973,29973,29974,29974,29971,29983,29984,29984,29985]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d6 {[%cal Oe6e5] E11: Bogo-Indian.} 7. Be2 a5 {[%cal Oe6e5]} 8. b3 {8.0-0 gains popularity.} e5 {The position is equal.} 9. Bb2 exd4 10. Nxd4 Nc6 11. O-O Nxd4 12. Bxd4 Nd7 {[%cal Bf6d7,Bd7e5,Be5f3][%mdl 32] [#]} 13. Bg4 $146 ({Predecessor:} 13. Rb1 Bf6 14. Be3 Re8 15. b4 axb4 16. axb4 Ne5 17. Kh1 Nc6 18. f3 Ra3 19. Bg1 {0-1 (32) Bukavshin,I (2613)-Jobava,B (2708) Sochi 2014}) 13... Bf6 14. Nf3 Re8 15. Re1 Ne5 16. Bxc8 Nxf3+ 17. Qxf3 Bxd4 18. Bxb7 Bxa1 19. Bxa8 Qxa8 20. Rxa1 Qxe4 21. Qxe4 Rxe4 $11 {[%mdl 4096] Endgame KR-KR} 22. Kf1 Kf8 {[%cal Oa5a4]} 23. Rc1 c5 24. Rc3 Ke7 25. f3 Rh4 26. h3 Kd7 27. Ke2 Kc6 28. Kd2 f5 29. Rd3 Rh6 30. Ke3 Rg6 31. Rd2 Re6+ 32. Kf4 Re5 33. a4 Kd7 34. Rd3 Re2 35. g3 Ke6 36. Kg5 Re1 37. f4 Re4 38. Rf3 Re2 39. g4 fxg4 40. hxg4 {[#] Threatens to win with Rh3.} Kf7 41. Rd3 h6+ 42. Kh4 Rh2+ 43. Kg3 Rb2 44. Kf3 Ke7 45. Re3+ Kf6 46. Rd3 Ke7 47. f5 Rb1 48. Re3+ Kd7 49. Kg3 Rg1+ 50. Kh4 {Strongly threatening Kh5.} Rh1+ $1 51. Kg3 Rg1+ 52. Kf3 Rb1 53. Kg2 Rb2+ 54. Kh3 Rb1 55. Rc3 Re1 56. Kh4 Ke7 57. Rd3 Rh1+ 58. Kg3 Re1 59. Kf2 Re5 60. Kf3 h5 61. Kf4 hxg4 62. Kg5 Re4 63. Kg6 Rf4 64. Rg3 Rf3 65. Rxg4 Kf8 (65... Rxb3 $2 66. Kxg7 Rf3 67. Re4+ Kd7 68. f6 $18) 66. Rg1 Rxb3 67. f6 $1 gxf6 68. Kxf6 Rb4 69. Rh1 {[%cal Rh1h8]} Kg8 {To avoid Rh8+} 70. Rg1+ Kf8 71. Rh1 {[%cal Rh1h8]} Kg8 {Inhibits Rh8+.} 72. Rc1 Rxa4 73. Ke7 Ra2 $2 {[%mdl 8192] [#] Black is now going downhill.} (73... Rb4 $11) 74. Rg1+ {White mates.} ({Stronger than} 74. Kxd6 Kf8 $11) 74... Kh7 75. Kxd6 Rd2+ 76. Kxc5 Rd8 77. Kb6 a4 78. Ra1 Rb8+ 79. Kc7 Rb4 80. c5 {[%cal Bc4c5,Bc5c6][%mdl 32]} Kg6 81. c6 Kf5 82. Kd6 Rc4 83. Kd5 Rc2 84. Rxa4 Kf6 85. Re4 Kf5 86. Re8 Kf6 87. Kd6 Kf7 88. Rh8 Rd2+ 89. Kc5 Rc2+ 90. Kb6 Ke7 91. c7 Rb2+ 92. Ka5 Ra2+ 93. Kb4 {Weighted Error Value: White=0.02 (flawless) /Black=0.01 (flawless)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.11"]
[White "Perez Garcia, Rodney Oscar"]
[Black "Almeida Quintana, Omar"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2331"]
[BlackElo "2535"]
[Annotator "TA"]
[PlyCount "155"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,155,32,36,23,35,5,12,12,24,0,0,0,10,0,8,0,0,0,0,0,0,0,0,0,0,0,17,0,0,0,-3,-10,-9,-5,0,-13,-11,-12,0,-8,0,-3,0,-8,0,-7,-16,-83,-72,-149,-158,-167,-167,-156,-135,-124,-135,-116,-116,-115,-117,-117,-117,-117,-117,-117,-109,-113,-56,-117,-117,-158,-158,-200,-200,-405,-130,-404,-404,-398,-406,-402,-396,-369,-371,-383,-367,-404,-388,-308,-271,-220,-180,-165,-119,-118,-125,-129,0,0,0,0,0,0,8,8,8,8,8,8,8,8,8,8,443,162,150,46,71,8,6811,8,8,8,8,8,8,8,8,8,8,0,8,0,0,0,8,8,8,8,8,8,8,8]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 a6 5. Be2 Nf6 6. O-O O-O 7. Re1 Nc6 {7...Nc6 is better than 7...b5.} 8. h3 {B08: Pirc Defence: Classical System.} e5 9. dxe5 (9. d5 $5 {[%cal Rd5c6]} Ne7 10. a4 $11 (10. Bg5 h6 $11)) 9... dxe5 10. Be3 {[#]} b5 $146 ({Predecessor:} 10... Qe7 11. Nd5 Qd6 12. Nxf6+ Qxf6 13. c3 h6 14. b4 Nd8 15. Qd2 Kh7 16. Rad1 Ne6 {½-½ (50) Zvjaginsev,V (2660)-Fedoseev,V (2659) Berlin 2015}) 11. a3 (11. Bg5 {is interesting.} Be6 12. Qc1 Qb8 13. Qe3 Nd7 14. Bh6) 11... Bb7 12. Qxd8 Rfxd8 13. Rad1 {Inhibits Nd4.} b4 14. Nd5 Nxd5 15. exd5 Ne7 16. axb4 Nxd5 17. Bg5 f6 18. Bd2 Bf8 19. c3 Kg7 20. Bc1 Rd6 21. Bf1 Rad8 22. h4 h5 23. Nh2 Bc6 24. g3 Ba4 25. Rd2 Kh7 26. Bg2 Bb3 27. Bf1 Bh6 28. Rde2 Nb6 29. Bxh6 Kxh6 30. Ra1 (30. f4 $11 {remains equal.}) 30... Rd1 $36 {[%mdl 2048] Black has strong initiative.} 31. Rxd1 (31. Re1 $142) 31... Rxd1 (31... Bxd1 32. Re4 $11 (32. Re1 Na4 $15)) 32. Nf3 Bd5 33. Ne1 Na4 {[%cal Oa4b2]} 34. Nc2 {Strongly threatening Ne3.} Bc4 (34... Nxb2 $2 35. Ne3 Be6 36. Rxb2 $18) 35. Re1 Rxe1 36. Nxe1 Nxb2 37. Bxc4 Nxc4 {[%mdl 4096] Endgame KN-KN} 38. Nd3 a5 39. bxa5 Nxa5 40. Nc5 Kh7 (40... Nc4 $17 41. Kg2 Nd2) 41. Kg2 (41. f4 $1 $15) 41... Kg8 42. Kf3 ({White should play} 42. f3) 42... Kf7 43. Ke4 (43. Na6 $17) 43... Ke7 $1 $19 44. Kd5 $2 (44. Kd3) 44... c6+ 45. Ke4 Kd6 $1 46. Nd3 Nc4 {Prevents Nb2. aiming for ...f5+.} 47. Nb4 Nb6 48. Kd3 Nd5 49. Nc2 Kc5 50. f3 f5 51. Ne1 Nb6 52. Nc2 Nc4 53. Nb4 {[%cal Ob4c6]} Nd6 (53... Na5 $19 54. Ke2 Nc4 55. Nd3+ Kd6) 54. Na6+ $17 Kb6 $1 55. Nb8 {Hoping for Nd7+.} f4 ({Black should try} 55... Nf7 $17 56. Nd7+ Kc7) 56. gxf4 $11 exf4 {And now ...Nf5 would win.} 57. Nd7+ Kb5 58. Ne5 Kc5 59. Nxg6 Kd5 (59... Nf5 $2 60. Ke4 (60. Nxf4 Nxh4 61. Ke4 Kc4 $11) 60... Ng7 61. Nxf4 $18) 60. Nxf4+ Ke5 61. Nxh5 Nf5 62. f4+ Ke6 63. Ke4 Nxh4 $2 {[%mdl 8192]} (63... c5 $11) 64. Ng3 $18 Kf6 65. Kd4 (65. c4 $1 $16) 65... Ng6 $1 $14 66. f5 (66. Ne2 $16 {Kc5 is the strong threat.} Ke6 67. Ke4) 66... Ne7 $2 {[%mdl 8192] [#]} (66... Nh4 $11) 67. Kc5 $2 (67. c4 $1 $18 Ng8 68. Kc5) 67... Nd5 $1 $11 {The position is equal.} 68. c4 Ne3 $1 69. Kd4 Ng4 (69... Nxf5+ {gets mated.} 70. Nxf5 Ke6 {[#]} 71. Kc5 $1 Kd7 72. Nd4 Kc7 73. Nxc6 Kb7 74. Kd5) 70. Ke4 {Black must now prevent Kf4.} Kg5 71. Ne2 Kf6 72. Nd4 Nf2+ 73. Kf4 (73. Kf3 $5 {[%cal Rf3f2]} Nd3 74. Ke3 $11 (74. Nxc6 Nb2 $11)) 73... Nd3+ 74. Ke4 Nc5+ 75. Ke3 Ke5 76. Nxc6+ Kxf5 77. Kd4 Nd7 78. Nb4 {Never resign too early!  Weighted Error Value: White=0.14 (very precise) /Black=0.09 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.12"]
[White "Perez Rodriguez, Luis Manuel"]
[Black "Quesada Perez, Luis Ernesto"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2324"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,66,12,-7,-7,-10,-11,-30,-29,-32,-11,-18,-15,-41,-42,-53,-38,-45,-36,-57,-37,-74,-67,-131,-39,-96,0,-6,10,-38,-40,-44,-36,-133,-125,-158,-160,-193,-205,-352,-110,-122,-122,-162,-160,-340,-341,-1563,-1465,-29990,-29991]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. cxd5 Bg7 7. Bc4 O-O 8. Nf3 {[%cal Bg1f3,Bf3e5,Be5c6][%mdl 32]} Nbd7 9. O-O Nb6 10. Qb3 Nxc4 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} 11. Qxc4 b6 12. Ne5 Bb7 {[%cal Rf6d5][%mdl 1024] Black has compensation. Black has an edge.} 13. Nc6 Qd7 14. Re1 Rfe8 {[%cal Of6d5] [#]} 15. Bf4 $146 ({Predecessor:} 15. Ne5 Bxd5 16. Nxd5 Qxd5 17. Be3 Qxc4 18. Nxc4 Nd5 19. a3 Rac8 20. Rac1 Rc7 21. Ne5 {½-½ (67) Vavpetic,V (2161)-Krumpak,H (2117) Ljubljana 2011}) 15... Rac8 16. Rad1 {[#]} Nxd5 $1 17. Qxd5 Qxc6 18. Qg5 Qd7 19. Qg3 Rc4 ({Of course not} 19... Bxd4 $6 20. Be5 Rc4 21. Ne2 Bxe5 22. Rxd7 $11) 20. d5 (20. Be3 $15) 20... b5 (20... Bxc3 $17 21. bxc3 Bxd5) 21. a3 (21. Be5 $15) 21... a5 (21... Bxc3 $17 22. bxc3 Bxd5) 22. Be5 $11 f6 {[#]} 23. Bf4 (23. b3 $1 $11 {is superior.} Rcc8 24. Bd4) 23... b4 $15 24. axb4 axb4 25. Ne4 (25. Na4 $1 $15 Qf5 26. Be3) 25... Bxd5 26. Qd3 {[%cal Od3c4] Threatens to win with Qxc4!} Rd8 {And now ...f5 would win.} 27. b3 Rcc8 28. Nd6 (28. Qa6 $142) 28... Rc5 $2 (28... Bb7 $19 {and Black stays clearly on top.} 29. Nxc8 Qxd3 30. Rxd3 Rxd3) 29. Nc4 $17 Bf8 {A strong pair of Bishops.} 30. h3 Qb7 $40 {[%mdl 128] Black attacks with force.} 31. Be3 $2 (31. Rc1 $17) 31... Bxg2 $19 ({And not} 31... Rcc8 32. Qf1 $17) 32. Qxd8 {[#]} (32. Bxc5 Rxd3 33. Rxd3) 32... Bxh3 $1 {[%csl Gh3][%cal Rb7g2]} 33. f3 {[#]} (33. Qxf8+ Kxf8) 33... Qxf3 $1 {Weighted Error Value: White=0.93/Black=0.22 (precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.13"]
[White "Rosales Campos, Paul Ivan"]
[Black "Diaz Perez, Michel Alejandro"]
[Result "1/2-1/2"]
[ECO "C48"]
[WhiteElo "2039"]
[BlackElo "2459"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,0,0,0,16,0,0,0,0,0,0,0,0,0,119,72,67,75,79,-141,87,79,75,0,0,0,0,0,0,0,0,0,0,0,0,-10,-5,-11,-6,-25,-25,-37,-8,-43,0,0,122,122,121,123,122,105,112,86,118,94,167,106,203,193,233,210,239,239,238,238,238,238,238,238,238,238,235,231,1247,296]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bd6 5. a3 O-O 6. d3 {C48: Four Knights: 4 Bb5, replies other than 4...Bb4.} Re8 7. g4 Nxg4 8. Rg1 {The position is equal.} Nf6 {[#]} 9. Bg5 $146 ({Predecessor:} 9. Bh6 g6 10. Bc4 Nd4 11. Ng5 Re7 12. Ne2 Ne6 13. Ng3 Kh8 14. Qf3 Ng8 15. Nxe6 fxe6 {0-1 (41) Du Plessis,H (2075)-Anwesh,U (2374) Athens 2012}) 9... Be7 {And now ...Nd4 would win.} 10. Bxc6 dxc6 11. Nxe5 Nd5 12. Qf3 (12. Qh5 $142 g6 13. Nxf7 $1 {[%mdl 512]} (13. exd5 Bxg5 14. Qxg5 f6 $17) 13... gxh5 14. Nxd8 Bxg5 15. Rxg5+ Kf8 16. Nxd5 cxd5 17. Rxd5) 12... f5 13. Qh5 (13. Nxd5 $2 Bxg5 14. Nxc7 Qxc7 $19) 13... Bxg5 14. Qf7+ Kh8 {[#]} 15. Rxg5 $1 {[%csl Gg5][%cal Rf7g7]} Qe7 {[#]} 16. Nxd5 $1 {White is much more active.} cxd5 $11 17. Qxe7 {Chess con chili.} Rxe7 18. f4 dxe4 19. dxe4 fxe4 20. Rd1 {Threatening mate with Rd8+.} Be6 21. Rd4 Rae8 22. Rxe4 g6 23. Rg3 Bf5 24. Rc4 Kg7 ({Resist} 24... b5 25. Rc5 $14) 25. Kd2 Kf6 26. Kc3 c6 (26... Rd8 $15) 27. Rd4 Rxe5 (27... c5 $11 {keeps the balance.} 28. Rd6+ Re6) 28. fxe5+ $16 Rxe5 $11 {[%mdl 4096] Endgame KRR-KRB} 29. Rg2 g5 30. Rf2 Rc5+ 31. Kb3 Ke5 32. c3 g4 (32... Rd5 $16 33. Re2+ Kd6 34. Rxd5+ cxd5) 33. Rdf4 (33. Rd8 $18) 33... Be6+ {[#]} (33... Ke6 $16) 34. Kc2 $1 $18 h5 35. Kd3 Rd5+ 36. Ke3 {Strongly threatening Re4+.} Rd1 37. Re4+ Kd6 38. Rf6 Re1+ 39. Kf4 Rxe4+ 40. Kxe4 {Rh6 is the strong threat.} h4 41. Kf4 {[%cal Of6e6] aiming for Rxe6+!} h3 $2 (41... g3 42. hxg3 hxg3 43. Kxg3 a5) 42. Rg6 $2 {[%mdl 32768] Weighted Error Value: White=0.11 (very precise) /Black=0.20 (precise) . An unexpected result.} (42. c4 Ke7 43. Ke5) 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.14"]
[White "Ibarra Chami, Luis Fernando"]
[Black "Dominguez Aguilar, Guillermo"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2451"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,73,76,105,31,40,39,38,49,149,134,131,130,141,139,151,161,158,132,129,140,156,91,89,83,77,27,148,138,155,141,183,56,71,-126,-61,-101,-79,-304,-301,-344,-335,-362,-358,-654,-553,-631,-610,-628,-622,-628,-592,-505]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O Bd7 10. h4 h5 11. Kb1 Rc8 12. Be2 Ne5 13. Bg5 {[#] B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0.} (13. Rdg1 $16) 13... Re8 $146 ({Predecessor:} 13... b5 14. Bh6 Bxh6 15. Qxh6 Rxc3 16. bxc3 Qa5 17. Qd2 Rc8 18. c4 b4 19. Nb3 Qa4 20. Qd4 Qa6 {0-1 (39) Thesing,M (2396)-Gerber,R (2368) Lenk 2007}) 14. Bxf6 Bxf6 15. Nd5 {[%cal Og2g4] White is slightly better.} Kg7 (15... Bg7 $14) 16. g4 $1 $16 hxg4 17. h5 Rh8 18. fxg4 {And now g5 would win.} e6 19. Nxf6 {White is more active.} Qxf6 20. g5 Qe7 21. Nf3 Rxh5 22. Rxh5 (22. Qd4 $142 $1 Rxh1 23. Rxh1) 22... Nxf3 {[#]} 23. Bxf3 {[%cal Oh5h7] Threatening mate with Rh7+! The board is on fire.} gxh5 24. Bxh5 (24. e5 $1 $16 {[%cal Re5d6]} d5 25. Rh1) 24... Rc5 (24... e5 $11) 25. Rf1 ({Stronger than} 25. Qxd6 Qxd6 26. Rxd6 Bc6 $17) 25... Be8 26. Rf6 Qc7 (26... a5 $16 27. Qf4 Qc7) 27. Be2 ({Not} 27. b4 Rc4 $15) (27. a3 $1 $18) 27... Re5 {[#]} 28. Qf4 $2 {[#]} (28. Rf1 $1 $16 {stays on course. aiming for Qf4.} Qd8 29. Qe3) 28... Qc5 ({Black should try} 28... Qa5 $1 $17 {[%cal Ra5e1] ...Qe1+ is the strong threat.} 29. Qc1 (29. Qh4 $2 Rxe4 30. Qh6+ Kg8 $19) 29... Rxe4) 29. g6 {[%cal Rg6f7]} fxg6 {[%cal Bf7g6,Bg6g5][%mdl 32]} 30. b3 $2 {White does not recover from this.} (30. Rf8 $17 Qg1+ 31. Bf1) 30... Qg1+ $19 31. Bf1 g5 32. Qf3 Bh5 33. Qxh5 (33. Qf2 Qxf2 34. Rxf2) 33... Kxf6 {Black is clearly winning.} 34. Qh6+ Ke7 35. Qg7+ Kd8 36. Qf8+ Kc7 {Threatens to win with ...a6.} 37. Qe7+ {[%mdl 32768] Weighted Error Value: White=0.64/Black=0.24 (precise) . An unexpected result.} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.15"]
[White "Mareco, Sandro"]
[Black "Frey Beckman, Kenneth"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2643"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,107,12,9,22,2,4,1,34,23,31,-30,-25,-42,-51,-44,-51,-60,-38,-117,37,31,46,25,37,8,6,0,0,0,0,0,85,98,85,89,216,219,220,15,8,6,10,3,232,233,225,76,80,90,108,108,101,0,0,0,0,-17,-7,-6,0,0,0,0,0,-50,-56,-73,-16,-50,-56,-72,-52,-52,-50,-78,-79,-61,-40,-208,26,23,38,32,42,35,37,35,41,38,39,39,42,43,1232,1014]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bf4 O-O 7. e3 c5 {The main line 7...c5 scores better than 7...b6.} 8. dxc5 Nc6 {D55: Queen's Gambit Declined: 4 Bg5 Be7: Lines without ...h6 and 6...h6 7 Bxf6.} 9. a3 Bxc5 10. Qc2 {[#]} Bd6 $146 {The position is equal.} ({Predecessor:} 10... Qa5 11. O-O-O Be7 12. g4 dxc4 13. Bxc4 Rd8 14. Rxd8+ Qxd8 15. g5 Nh5 16. Rd1 Bd7 17. gxh6 Nxf4 18. exf4 {1-0 (24) So,W (2770)-Nakamura,H (2736) Lichess.org INT 2020}) 11. Bxd6 Qxd6 12. O-O-O (12. Rd1 $14) 12... Bd7 $11 13. g4 Rfc8 14. g5 hxg5 15. Nxg5 Ne5 16. Rg1 (16. cxd5 $15 exd5 17. Kb1) 16... Be8 $2 (16... Nxc4 $17 17. Nxf7 Qe7 18. Nh6+ Kh8) 17. cxd5 $14 exd5 {[%cal Ob7b5]} 18. Kb1 Rc7 $1 19. Qb3 Rac8 {[%cal Oc7c3]} 20. Ka2 {[%cal Rc3d5]} Nc4 $1 {[%cal Oc4b2]} 21. Bh3 Rd8 22. Bg2 {Strongly threatening Nxd5.} Qc5 {[#]} (22... Qxh2 $11 23. Bxd5 Nxd5 24. Rxd5 Rxd5 25. Nxd5 Qxg1 26. Nxc7 Qxg5 27. Nxe8 Qc5) 23. Nge4 $1 $36 {[%mdl 2048] White has strong initiative.} Nxe4 24. Bxe4 {[%cal Rc3d5]} d4 (24... Kf8 $16 {was called for.}) 25. exd4 $1 $18 Rxd4 {[#]} 26. Rxd4 {Really sharp!} (26. Nd5 $1 $18 {[%cal Ob3h3]} Na5 (26... Rxe4 27. Nf6+) 27. Qe3 (27. Qg3 $2 Qc4+ 28. Ka1 Rxd1+ 29. Rxd1 Nb3+ 30. Kb1 Qxe4+ $19) 27... Rxd5 28. Bxd5 (28. Rxd5 Qxe3 29. fxe3 Nc6 $18) 28... Qxe3 29. fxe3) 26... Qxd4 $11 27. Rd1 Nd2 28. Qd5 Qc4+ (28... Rd7 $1 $11 {and Black stays safe.} 29. Qxd4 Rxd4) 29. Qxc4 $18 Nxc4 30. Rd8 (30. Nd5 $1 $18 {[%cal Rd5c7]} Rd7 31. Bf5) 30... Kf8 $16 31. Nb5 $1 Rc5 32. Nxa7 Ke7 33. Rb8 {White is more active.} (33. Rc8 $16 b6 34. b4 Rxc8 35. Nxc8+ Kd8 36. Bd5 $1) 33... Nd6 $11 34. Bxb7 Bd7 {To avoid Nc8+. Threatens to win with ...Rc7.} 35. Bf3 Rc7 {[%mdl 1024] Black has compensation.} 36. Ra8 Be6+ 37. Kb1 {Hoping for Nc6+.} Bf5+ 38. Ka2 $1 {Black must now prevent Nc6+.} Be6+ 39. b3 (39. Kb1 $11) 39... Rc2+ $15 40. Ka1 Bxb3 (40... Rxf2 $17 {And now ...Rf1+ would win.} 41. Nc6+ Kf6) 41. Nc6+ Kf6 {( -> ...Nc4)} 42. Nd4 Ra2+ 43. Kb1 {[#]} Rxf2 $1 44. a4 (44. Nxb3 Rxf3) 44... Bc4 45. a5 Rxh2 (45... Ke5 {looks sharper.} 46. Nc6+ Kf4 47. Rd8 Nb5 48. Bd1 Nc3+) 46. a6 $2 {[#]} (46. Rd8 $1 $15 Bd3+ 47. Ka1) 46... Bxa6 $2 47. Rxa6 $11 Ke7 48. Kc1 g6 49. Nc6+ Kf8 50. Ne5 Nf5 51. Ra7 Nh6 52. Kd1 Rb2 53. Be2 Rb6 $2 {[%mdl 8192]} (53... Kg7 $14) 54. Nd7+ {Weighted Error Value: White=0.28 (precise) /Black=0.35} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.16"]
[White "Cordova, Emilio"]
[Black "Garcia de Dios, Jose Antonio"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2534"]
[BlackElo "2145"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,123,11,0,35,20,30,31,23,20,18,10,13,-31,-25,-22,-22,-17,0,-23,-14,-10,-16,-41,0,0,7,11,14,8,8,8,16,0,0,-3,-3,0,0,-26,-21,-34,0,0,0,0,0,0,0,0,0,0,3,3,3,3,3,0,33,0,46,46,46,46,46,46,50,22,26,0,46,45,46,45,107,108,125,46,46,46,46,46,46,46,46,46,46,46,46,46,46,46,46,46,57,0,0,0,0,0,0,0,25,25,25,25,25,31,2848,1785]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 O-O 5. O-O d6 6. Re1 Nbd7 7. e4 e5 8. c3 Re8 9. Nbd2 c6 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems.} 10. a4 {[#]} d5 $146 (10... a5 {with more complications.} 11. Nc4 Nb6 12. dxe5 Nxc4 13. exf6 Bxf6 14. Nd4 Bd7) ({Predecessor:} 10... a5 11. dxe5 dxe5 12. Nc4 Qc7 13. Qd6 Qxd6 14. Nxd6 Re6 15. Nxc8 Rxc8 16. Bh3 Rd6 17. Nd2 {½-½ (63) Ipatov,A (2644)-Rahul,S (2453) Lichess.org INT 2021}) 11. exd5 Nxd5 {White is slightly better.} 12. Nc4 {[%cal Rd4e5]} exd4 13. Rxe8+ Qxe8 14. cxd4 (14. Nxd4 $11 {might be stronger.} Nc5 15. Bxd5 cxd5 16. Nd6) 14... N7f6 15. a5 {[%cal Oa5a6]} a6 16. Bd2 Ne4 17. Be1 (17. Nfe5 $5 {[%cal Rg2e4]} Nxd2 18. Bxd5 cxd5 19. Nb6 $11) 17... Qe7 18. Nfe5 {[%cal Bf3e5,Be5d3,Bd3c5][%mdl 32]} Nef6 19. Bd2 h6 (19... Bf5 $15 {should be considered.}) 20. Qb3 $11 Be6 21. Re1 {[%cal Oe5g6] next Nxg6! is good for White.} Re8 22. Nd3 Qc7 $1 23. Nc5 Bc8 $1 24. Rxe8+ Nxe8 25. Be3 Nxe3 26. fxe3 Bf8 27. Qb6 Qe7 $1 28. Qb3 Qc7 29. Qc3 Bxc5 30. dxc5 Be6 31. Nd2 Qd8 32. b4 Nf6 33. Bf3 Qe7 34. Qd4 Bd5 35. e4 Be6 36. Kf2 Ne8 37. e5 Bf5 (37... h5 $11) 38. Nc4 $14 Kh7 39. Nd6 Ng7 40. Be2 Be6 41. Bd3 Bd5 42. h4 h5 (42... Ne6 $11 43. Qc3 Kg8) 43. Qf4 Kg8 44. Bf1 Ne8 {[#]} (44... Qd7 $14) 45. Qg5 $1 $16 Qd7 {[#]} 46. Kg1 (46. g4 $1 $16 {[%cal Rg4h5]} Ng7 47. Be2) 46... Be6 47. Be2 {aiming for Bxh5.} Ng7 48. Kh2 Bg4 49. Bc4 Be6 50. Bf1 Bg4 51. Qf6 Ne8 52. Qf4 Qe7 53. Qg5 Qd7 54. Bg2 Kh7 55. Be4 (55. Qf4 $14) 55... Qe6 $11 56. Qf4 Qa2+ 57. Bg2 {Active counter play!} Nxd6 58. cxd6 Be6 59. Qd4 {Hoping for d7.} Bd7 $1 60. Qb6 Be6 61. d7 ({Avoid the trap} 61. Qxb7 $2 Bd5 62. Qxf7+ Bxf7 $19) 61... Bd5 $2 {[%mdl 8192]} (61... Bxd7 $14 62. Qxb7 Be6 63. Qxc6 Bc4) 62. Qg1 {Weighted Error Value: White=0.08 (flawless) /Black=0.07 (flawless)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.17"]
[White "Henderson de La Fuente, Lance"]
[Black "Guevara Sanchez, Erick Marvin"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2494"]
[BlackElo "2145"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,111,28,16,40,36,58,53,52,40,35,21,57,54,51,41,62,46,47,39,44,42,42,35,50,42,49,28,33,24,33,0,0,0,0,-16,88,69,69,65,65,65,85,72,66,68,66,66,68,64,65,65,65,60,60,60,112,95,106,95,125,102,102,95,95,95,95,83,95,95,114,114,114,114,114,56,56,56,56,56,56,56,62,62,62,63,64,63,63,65,83,83,93,24,24,24,95,95,29979,29972]} 1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 d5 5. Bg2 c6 6. O-O Bd6 7. Nc3 O-O 8. Bf4 Ne4 {A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6).} 9. e3 Qe7 10. Rc1 Nd7 {[#] White is slightly better.} 11. c5 $146 ({Predecessor:} 11. Bxd6 Nxd6 12. cxd5 exd5 13. Ne2 Nb6 14. Nf4 Bd7 15. Qc2 Ne4 16. Nd3 Nc4 17. b3 {½-½ (26) Salus,S (2252)-Sermier,A (2205) France 2002}) 11... Bb8 12. b4 Nxc3 (12... b6 {keeps more tension.} 13. b5 Bxf4 14. bxc6 Nb8 15. exf4 Nxc6 16. cxb6 Bd7) 13. Rxc3 a6 14. a4 {[%cal Ob4b5,Ba2a4,Ba4b5][%mdl 32]} Kh8 15. b5 {White is more active.} axb5 16. axb5 e5 $1 17. dxe5 Nxe5 18. Qd4 Re8 19. Rb1 Bd7 20. Rcc1 cxb5 21. Bxe5 ({Of course not} 21. Qxd5 Bc6 22. Qd1 Nxf3+ 23. Bxf3 Bxf4 24. Bxc6 bxc6 $11) 21... Bxe5 22. Qxd5 Bc6 23. Qb3 Red8 {Prevents Nd4.} 24. Rd1 Bxf3 (24... Qxc5 $2 25. Rxd8+ (25. Rdc1 Qe7 $14) 25... Rxd8 26. Ng5 $18) (24... Rxd1+ $11 25. Rxd1 Qxc5) 25. Rxd8+ (25. Bxf3 {seems wilder.} Qxc5 26. Rdc1 Qe7 27. Qxb5 g6 28. Rc5) 25... Rxd8 26. Bxf3 Qxc5 27. Qxb5 b6 28. Qxb6 (28. Qa6 {looks sharper.} Rb8 29. Rb5 Qc4 30. Bb7 Qc7 31. Rxb6 g6 32. Qb5) 28... Qxb6 29. Rxb6 $16 {[%mdl 4096] Endgame KRB-KRB} g6 30. Kg2 Rd7 31. Rb5 Re7 32. h3 Kg7 33. Bd5 h6 34. Kf3 g5 (34... h5 $14) 35. Rb6 Bf6 36. Ba2 Ra7 37. Bb1 Ra5 38. Rb7+ Kf8 39. Bc2 Be7 40. Bb3 Rc5 41. g4 f4 42. exf4 Rc3+ 43. Ke4 {[#] And now f5 would win.} gxf4 44. Be6 (44. f3 $16) 44... Bg5 $14 45. h4 Bxh4 46. Rf7+ Ke8 47. Rxf4 Ke7 48. Ke5 Rc5+ 49. Bd5 $1 {Rf7+ is the strong threat.} Ra5 50. Rf7+ Ke8 {[%cal Oa5d5]} 51. Rf5 Ra6 52. f4 Be7 53. Rh5 (53. Ke4 $16) 53... Bd6+ $11 54. Kf5 Ra5 (54... Bc7 $1 $11) 55. Ke6 $16 ({Reject} 55. Rxh6 $6 Rxd5+ 56. Ke6 Ra5 $11) 55... Bxf4 $2 {[%mdl 8192] [#]} (55... Ra6 $16) 56. Bc6+ {Weighted Error Value: White=0.09 (flawless) /Black=0.23 (precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.18"]
[White "Estrada Nieto, Julian"]
[Black "Rodriguez Vila, Andres"]
[Result "1/2-1/2"]
[ECO "B28"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,81,38,57,36,49,44,36,22,26,0,56,47,59,50,58,31,47,49,50,50,110,35,28,35,31,33,37,34,76,28,111,103,90,84,119,90,87,-42,-35,-185,-176,-160,-143,-191,-190,-191,-192,-198,-194,-191,0,0,80,-100,80,73,73,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nf5 d5 7. cxd5 Bxf5 8. exf5 Nd4 9. Nc3 Nf6 10. Bd3 {B28: Sicilian: 2 Nf3 a6 (O'Kelly Variation).} Be7 $1 {[%mdl 4] is now more promising than 10...Nxd5.} 11. O-O {[%cal Bh1f1,Bf1e1,Be1d1][%mdl 32]} O-O 12. Re1 {White is slightly better.} Nxd5 13. Be4 (13. Qh5 {looks sharper.} Nf6 14. Qh3 Qd6 15. Bg5 Rfd8 16. Re3) 13... Nxc3 (13... Nf6 $1 $11) 14. bxc3 $14 {[#]} Nb5 $146 ({Predecessor:} 14... Nc6 15. Be3 Rc8 16. Qh5 Bf6 17. g4 g6 18. Qh6 Bg7 19. Qh3 Ne7 20. Rad1 Qc7 {1-0 (34) Voinikonis,N (2163)-Gorbatov,A (2389) Marianske Lazne 2019}) 15. Qf3 (15. Bxb7 Qxd1 16. Rxd1 Nxc3 $11) (15. Qh5 {with more complications.} Bc5 16. f6 g6 17. Qf3 Nd6 18. Rd1) 15... Rc8 16. Rd1 Qb6 17. Rb1 Rfd8 18. Bd2 {a4 is the strong threat.} Qa5 (18... Rc7 $14) 19. Bxb7 (19. f6 $1 $16 {[%cal Rf6e7]} Bxf6 20. Qf5 (20. Bxb7 Rc7 $11)) 19... Rc7 20. Be1 $36 {[%cal Of5f6][%mdl 2048] White has some pressure. A strong pair of Bishops.} Rxd1 21. Rxd1 {[%cal Of5f6]} Qxa2 22. Bd5 Qa4 (22... Qc2 $14 {might be stronger.}) 23. Qh5 (23. c4 $16 Nd4 24. Qd3 (24. Qh5 Bf8 $14)) 23... Bf6 (23... Bf8 $11) 24. c4 $16 Nd6 {[%cal Od6f5,Bb5d6,Bd6c4,Bc4e5,Be5f3][%mdl 32]} 25. Rb1 {Black must now prevent Rb8+.} Rc8 {Prevents Rb8.} 26. g3 {[%cal Oc4c5]} Qd7 27. Rb6 {White is more active.} (27. Rd1 $16) 27... Nxc4 $15 28. Rxf6 Qxd5 $19 29. Rxa6 e4 $1 30. Ra1 (30. Kg2 $17) 30... Ne5 $1 31. Rd1 Qb5 32. Bc3 {[%cal Og1g2]} Nf3+ 33. Kg2 {[%cal Oh5g4] [#] Threatens to win with Qg4!} Qb3 $2 (33... Qe2 $1 $19 {[%cal Re2d1]} 34. Qg4 f6) 34. Rd7 $11 {[%cal Of5f6]} Qxc3 (34... Rf8 $11 {keeps the balance.} 35. Bxg7 Ne1+ 36. Kf1 Nf3) 35. Qxf7+ $16 Kh8 36. Re7 {[%cal Of7e8] Qe8+! would kill now.} h6 {[#]} 37. Re8+ (37. f6 $1 $16 {[%csl Ge7,Gf6][%cal Rf7g7]} Ne1+ 38. Kh3 Qxf6 39. Re8+ Rxe8 40. Qxe8+ Kh7 41. Qxe4+ g6 42. Qxe1) 37... Rxe8 $11 {The position is equal.} 38. Qxe8+ Kh7 39. Qg6+ Kg8 {And now ...Ne5 would win.} 40. Qe8+ Kh7 {Hoping for ...Ne5.} 41. Qg6+ {Whites escaped into a draw.  Weighted Error Value: White=0.29 (precise) /Black=0.22 (precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.19"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Ruiz Perez, Juan Octavio"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2461"]
[BlackElo "2074"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,53,50,44,50,63,56,59,29,41,35,44,-28,-23,-43,-42,-53,-56,-120,0,0,0,0,19,0,0,-47,26,11,35,30,227,218,566,586,838,838,826,747,723,319,1919,936]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 Qb6 7. Nb3 {7.Nb3 has become a bit dusty these days.} e6 8. g4 {[%cal Bg2g4,Bg4g5][%mdl 32] is the legacy move (8.Bf4). B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Be7 9. g5 Nfd7 10. Qe2 {White is slightly better.} Qc7 {[#]} 11. h4 $146 ({Predecessor:} 11. Be3 b5 12. Qf2 Bb7 13. O-O-O b4 14. Ne2 O-O 15. h4 a5 16. Ned4 a4 17. Nb5 {1-0 (47) Yemelin,V (2534)-Popov,V (2579) Krasnodar 2002}) 11... b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 12. h5 (12. a3 $14) 12... b4 $1 $11 13. Nd1 Nc6 14. Qg2 d5 15. Nf2 {[#]} (15. exd5 $15 exd5 16. f4) 15... Nb6 (15... a5 $1 $17 {[%cal Ra5a4] ...a4 is the strong threat.} 16. exd5 exd5) 16. g6 hxg6 17. hxg6 Rxh1 18. Qxh1 fxg6 19. Qg2 (19. Qh7 $1 $11 {deserves consideration.}) 19... Bh4 ({Black should try} 19... Kf7 $15) 20. Bg5 Bxf2+ 21. Qxf2 {aiming for 0-0-0.} Nc4 $2 {[#] This move loses the game for Black.} (21... a5 $1 $11 {and Black is okay.}) 22. O-O-O $1 $18 N6a5 $2 (22... Qe5 {is more resistant.} 23. Bxc4 dxc4) 23. Nxa5 {[%mdl 64] Overworked Piece} Qxa5 24. Bxc4 dxc4 25. Rd8+ Kf7 26. Qd2 (26. Qh4 $142 {Threatening mate with Qf4+.} Qe5 27. Be3) 26... Qc7 (26... Qe5 27. Rxc8 Rxc8) 27. Qxb4 {Weighted Error Value: White=0.39/Black=0.66} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.20"]
[White "Luna Javier, Edgar Froylan"]
[Black "Berdayes Ason, Dylan Isidro"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2148"]
[BlackElo "2445"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,8,23,0,4,0,6,0,6,-8,0,-15,0,-12,94,78,121,122,161,24,42,23,44,0,35,35,42,8,148,88,81,88,92,70,169,164,199,212,209,107,321,87,91,93,66,53,59,0,62,0,0,-91,-149,-419,-24,-43,0,-68,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. g3 e6 4. Bg2 b5 5. O-O Bb7 6. b3 {[%cal Oc2c4] A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} c5 7. c4 dxc4 8. bxc4 bxc4 9. Qa4+ Nbd7 10. Rd1 {[#]} Qc7 $146 ({Predecessor:} 10... Nd5 11. Qxc4 Be7 12. dxc5 Rc8 13. Bb2 O-O 14. Nc3 Bxc5 15. Qd3 Bxf2+ 16. Kxf2 Qb6+ {½-½ (76) Morozevich,A (2741)-Leko,P (2749) Monte Carlo 2005}) 11. Nc3 Bc6 (11... cxd4 $11 {keeps the balance.} 12. Rxd4 Bc5 13. Rxc4 Bc6) 12. Qxc4 $16 {[%cal Oe2e4]} Nb6 (12... Be7 $142) 13. Qa6 $1 Qc8 {[#]} 14. Qd3 ({White must play} 14. Nb5 $1 $18 {[%mdl 512]}) 14... c4 $11 15. Qc2 Bb4 16. Bg5 (16. a4 $14) 16... O-O 17. Bxf6 gxf6 18. Rab1 Ba3 (18... Bxc3 $11 19. Qxc3 Rb8) 19. Nb5 (19. e4 $142) 19... Be7 $16 20. e4 Rd8 21. d5 exd5 (21... Be8 $14) 22. Nfd4 $18 Bb7 23. Nf5 {[%mdl 1024] White has strong compensation.} Bf8 24. Qc3 (24. Qe2 $18) 24... Qc6 $2 (24... dxe4 $16 {is a better defense.} 25. Qxf6 Rxd1+ 26. Rxd1 Qe6 27. Qg5+ Kh8) 25. Nbd4 $2 {Pair of Knights!} (25. exd5 $18 {and White stays clearly on top.} Nxd5 26. Qd4) 25... Qc7 $16 26. Qf3 {Qg4+ is the strong threat.} dxe4 27. Qg4+ Kh8 28. Rb5 {Prevents Qe5.} (28. Re1 $14) 28... Rd7 (28... a6 $11 29. Qh4 (29. Rbb1 c3 $11) 29... axb5 30. Qxf6+ Kg8 31. Qg5+ Kh8 32. Qf6+ Kg8 33. Qg5+ Kh8 34. Qf6+) 29. Qh4 {White is much more active.} ({White should try} 29. Bxe4 $14 Bxe4 30. Qxe4) 29... Qd8 $11 30. Bh3 (30. Bxe4 $11 {remains equal.} Bxe4 31. Qxe4) 30... c3 $17 {[%cal Oc3c2] Hoping for ...c2!} 31. Re1 $2 {[%mdl 8192]} (31. Qh5 $17 Ba6 32. Rbb1) 31... Rd5 $2 (31... Rxd4 $19 32. Nxd4 Qxd4) 32. Rxd5 Nxd5 (32... Bxd5 $15 33. Rc1 (33. Bg2 Rc8 $17) 33... Rc8) 33. Rxe4 (33. Qxe4 $11 Rc8 34. Bg2) 33... Nb4 (33... Nc7 $1 $15 34. Re3 Ne6 35. Nxe6 (35. Rxc3 Qd5 $17) 35... fxe6) 34. Re8 $11 {The position is equal.} Qxe8 35. Qxf6+ Kg8 36. Qg5+ {Weighted Error Value: White=0.52/Black=0.65} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.21"]
[White "Valdes Romero, Leonardo"]
[Black "Vega Garcia, Jorge Arturo"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2404"]
[BlackElo "2121"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,97,30,0,0,-16,2,0,0,0,0,0,0,0,16,0,49,47,52,31,45,29,86,47,47,31,27,20,54,0,20,2,0,0,2,0,4,0,20,12,17,17,35,17,28,0,0,-14,-20,-27,-20,-58,-10,-12,0,0,29,0,0,-16,-19,-15,0,-16,0,0,0,0,0,0,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. O-O Nf6 6. a3 (6. c4 {feels stronger.}) 6... cxd4 $11 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 7. Nxd4 {[%cal Oc2c4]} Bc5 8. Nxc6 bxc6 9. c4 O-O 10. Qc2 {cxd5 is the strong threat.} Be7 11. Rd1 {[#]} Qa5 $146 ({Predecessor:} 11... Qb6 12. Nc3 Ng4 13. e3 Ba6 14. cxd5 cxd5 15. Bxd5 exd5 16. Nxd5 Qe6 17. Qc6 Rae8 18. Qxe6 fxe6 19. Nxe7+ Rxe7 {0-1 (24) Bao,K (2282)-Phan,B (1841) Ho Chi Minh City 2019}) 12. Nd2 Ba6 (12... Qb6 $11) 13. b4 $14 Qb6 (13... Bxb4 $2 14. axb4 Qxa1 15. Bb2 $18) 14. c5 Qc7 15. Nf3 Ne4 (15... e5 $11) 16. Bb2 Bf6 17. e3 Bxb2 18. Qxb2 Rfe8 19. Qe5 (19. Nd4 $14) 19... Rac8 20. Rac1 Bb5 21. Qxc7 Rxc7 22. Nd4 {[%cal Bf3d4,Bd4e2,Be2c3][%mdl 32] With the idea Bxe4.} Ba4 23. Re1 Nf6 {[%cal Oa7a5]} 24. Bf1 {[%cal Bg2f1,Bf1d3,Bd3b1][%mdl 32]} Rb8 25. f4 Kf8 26. Bd3 Ra8 27. Ne2 a6 28. Nc3 Bb5 29. Bb1 Rb8 30. Red1 Ke7 (30... Bc4 $15) 31. e4 $11 dxe4 32. Bxe4 Nd5 33. Bxd5 ({Much worse is} 33. Bxh7 Nxc3 34. Rxc3 g6 $17) 33... exd5 {The position is equal.} 34. Rd4 Kf8 35. Kf2 Re7 36. Re1 Rbe8 37. Rdd1 Bc4 38. Rxe7 Rxe7 {[%mdl 4096] Endgame KRB-KRN} 39. Re1 Rd7 40. Rd1 {[%cal Oc3e4]} Re7 41. Rd2 f6 42. Nd1 g6 43. Ne3 Bb5 44. Nc2 Re4 45. Nd4 Ba4 46. Rd3 Bb5 47. Rd2 Ba4 48. Rd3 Bb5 49. Rd2 {Weighted Error Value: White=0.09 (flawless) /Black=0.09 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.22"]
[White "Paredes Guzman, Francisco Javier"]
[Black "Leon Valdes, Jony Wilson"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1891"]
[BlackElo "2392"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,133,0,5,0,1,0,0,-27,-41,-42,-25,-46,-41,-77,0,0,0,0,0,0,0,-80,-56,-74,-68,-61,-66,-61,-52,-133,-139,-131,-140,-136,-142,-184,-127,-171,-166,-171,-179,-170,-175,-205,-148,-161,-161,-141,0,0,0,0,0,-3,0,0,0,-3,-3,-3,-5,-33,-68,-140,-152,-87,-48,-605,-579,-588,-574,-572,-537,-532,-512,-600,-600,-588,-547,-507,-466,-720,-712,-960,-874,-779,-435,-336,-23,-201,0,0,0,0,0,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-27999,-27999,-27992,-27992,-27993,-27993,-27994,-27994,-27995,-27995,-27996,-27996,-27997,-27997,-27999,-27998,-27995]} 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. e3 g6 5. Nc3 Bg7 6. cxd5 cxd5 7. Bd3 O-O 8. O-O Nc6 9. b3 {D94: Grünfeld: 4 Nf3 Bg7 5 e3.} Bg4 10. Bb2 e5 11. dxe5 {[#] The position is equal.} Nxe5 12. Be2 Nxf3+ 13. Bxf3 Bxf3 14. gxf3 {[#]} Nd7 $146 (14... Nh5 $17) ({Predecessor:} 14... Qd7 15. Ne2 Rad8 16. Nf4 g5 17. Nd3 Rfe8 18. Kh1 Qf5 {½-½ (18) Kemeny,C (2040)-Csuri,L (2042) Hungary 2017}) 15. Qxd5 $11 Ne5 $1 16. Rad1 {To avoid Nd3} (16. Qxb7 $2 Rb8 17. Qd5 (17. Qe4 $2 Nd3 $19) 17... Nd3 18. Qxd8 Rfxd8 $19) 16... Qg5+ 17. Kh1 Qh4 {Threatens to win with ...Rad8.} 18. Ne2 {[#]} ({Reject} 18. Qxb7 Rab8 19. Qe4 Qh3) (18. Nb5 $11 {remains equal.} Rad8 19. Nd6 (19. Qxb7 $2 Rb8 $17)) 18... Rad8 $1 $17 19. Qe4 (19. Qxb7 $2 Rxd1 20. Rxd1 Qxf2 $19) 19... Qxe4 20. fxe4 Rxd1 $1 21. Rxd1 Ng4 $1 {[%csl LRb2,LRf2]} 22. Rb1 (22. Bxg7 $15 Nxf2+ 23. Kg2 Nxd1 24. Bxf8 Kxf8 25. Kf3) 22... Nxf2+ 23. Kg2 Nxe4 24. Bxg7 Kxg7 {[%mdl 4096] Endgame KRN-KRN} 25. Rd1 {To avoid Rd8} (25. Rc1 $17 {was worth a try.}) 25... Nf6 ({Black should try} 25... Rc8 $19 {...Rc2 is the strong threat.} 26. Rc1 Rxc1 27. Nxc1 f5) 26. Rd4 (26. Rc1 $17) 26... Rc8 $19 27. Ra4 Rc2 28. Kf3 a6 29. Rb4 b5 30. a4 Nd5 31. Rd4 bxa4 {Black is more active.} 32. Rxd5 $11 axb3 $17 {[%cal Ba4b3,Bb3b2][%mdl 32] aiming for ...b2. KRN-KR} 33. Rd1 b2 34. Rb1 $1 a5 {[%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 35. Nd4 $1 Rxh2 {And now ...a4 would win.} (35... Rd2 $5 36. Nb3 Rxh2 37. Nxa5 Rc2 $11) 36. Kg3 Rd2 37. Nb3 $1 {[%csl LRa5,LRd2]} Rd3 {[%csl LRb3,LRe3]} 38. Rxb2 a4 39. Nc5 (39. Nd4 $15) 39... Rxe3+ 40. Kf4 ({Better is} 40. Kf2 a3 41. Rb7) 40... a3 41. Ra2 {[%mdl 8192]} (41. Rb5 $15 Rc3 42. Ra5) 41... Rc3 42. Ne4 Rb3 43. Nc5 Rh3 44. Ke4 h5 45. Kf4 Kh6 46. Ne4 Rb3 47. Ke5 f5 48. Nd6 (48. Nc5 $142 Rb5 49. Kd5) 48... h4 $19 49. Nc4 Kh5 50. Nxa3 Re3+ 51. Kf6 h3 $2 (51... Rc3 $19 52. Nb1 Rc6+ 53. Ke5 Rc5+ 54. Kf6 h3) 52. Nc4 $11 Rc3 ({Black should play} 52... Rb3 $1 $19 {Strongly threatening ...Kg4.} 53. Rh2 f4) 53. Ne5 Rb3 {Hoping for ...Rb6+.} 54. Nxg6 Rb6+ $2 {[%mdl 8192]} (54... Rb5 $11) 55. Kxf5 Rxg6 {KR-KR. Black mates.} 56. Rh2 Rg3 57. Kf4 Kh4 58. Ra2 Rg8 59. Ra7 {[#]} Rf8+ $1 60. Ke3 {[#]} h2 $1 ({Not} 60... Re8+ 61. Kf2 $11) 61. Rh7+ Kg3 62. Rg7+ Kh3 63. Rh7+ Kg2 64. Rg7+ Kf1 65. Rh7 Rf2 66. Ra7 Kg1 67. Kd4 {Weighted Error Value: White=0.29 (precise) /Black=0.28 (precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.23"]
[White "Sanchez Enriquez, Oscar Gerardo"]
[Black "Lopez Garcia, Miguel Angel"]
[Result "1-0"]
[ECO "E61"]
[BlackElo "1710"]
[Annotator "NA"]
[PlyCount "103"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 Nf6 {[%emt 0:00:23]} 2. c4 {[%emt 0:03:54]} g6 {[%emt 0:02:13]} 3. Nc3 {[%emt 0:00:45]} Bg7 {[%emt 0:00:34]} 4. d4 {[%emt 0:01:39]} O-O {[%emt 0:00:21]} 5. Bg5 {[%emt 0:00:18]} c5 {[%emt 0:06:10]} 6. d5 {[%emt 0:00:42]} d6 {[%emt 0:01:05]} 7. Nd2 {[%emt 0:00:45]} a6 {[%emt 0:03:45]} 8. a4 {[%emt 0:00:16]} Nbd7 {[%emt 0:03:33]} 9. e4 {[%emt 0:01:27]} Rb8 {[%emt 0:06:26]} 10. Be2 {[%emt 0:00:15]} Re8 {[%emt 0:01:46]} 11. O-O {[%emt 0:01:06]} h6 {[%emt 0:01:44]} 12. Bh4 {[%emt 0:02:07]} g5 {[%emt 0:06:57]} 13. Bg3 {[%emt 0:00:05]} Ne5 {[%emt 0:00:41]} 14. Bxe5 {[%emt 0:03:32]} dxe5 {[%emt 0:00:10]} 15. Qc2 {[%emt 0:01:45]} Rf8 {[%emt 0:08:57]} 16. a5 {[%emt 0:02:02]} Bd7 {[%emt 0:03:21]} 17. Rfb1 {[%emt 0:05:44]} Qc7 {[%emt 0:02:56]} 18. b4 {[%emt 0:00:48]} cxb4 {[%emt 0:01:11]} 19. Rxb4 {[%emt 0:00:07]} Rfc8 {[%emt 0:01:38]} 20. Nb3 {[%emt 0:01:23]} Be8 {[%emt 0:02:50]} 21. c5 {[%emt 0:00:38]} Nd7 {[%emt 0:01:11]} 22. Rc4 {[%emt 0:04:50]} Nf6 {[%emt 0:03:35]} 23. Rd1 {[%emt 0:03:00]} Qd8 {[%emt 0:03:22]} 24. Qa2 {[%emt 0:07:36]} Bf8 {[%emt 0:03:49]} 25. Na4 {[%emt 0:00:43]} Bxa4 {[%emt 0:01:53]} 26. Qxa4 {[%emt 0:00:06]} Qe8 {[%emt 0:01:28]} 27. Qa1 {[%emt 0:01:22]} e6 {[%emt 0:03:48]} 28. d6 {[%emt 0:01:20]} Nd7 {[%emt 0:00:21]} 29. Rdc1 {[%emt 0:01:58]} Rc6 {[%emt 0:00:39]} 30. Qa4 {[%emt 0:05:01]} Qc8 {[%emt 0:05:52]} 31. R1c3 {[%emt 0:03:17]} f5 {[%emt 0:04:06]} 32. Bf3 {[%emt 0:07:33]} f4 {[%emt 0:01:04]} 33. Be2 {[%emt 0:01:19]} Qe8 {[%emt 0:03:34]} 34. Nc1 {[%emt 0:01:31]} Rbc8 {[%emt 0:05:13]} 35. Nd3 {[%emt 0:02:23]} Kg7 {[%emt 0:02:59]} 36. Qb3 {[%emt 0:00:32]} Rb8 {[%emt 0:00:22]} 37. Nb4 {[%emt 0:04:53]} Rcc8 {[%emt 0:00:06]} 38. Qd1 {[%emt 0:00:17]} Nf6 {[%emt 0:04:21]} 39. Nd3 {[%emt 0:00:25]} Nd7 {[%emt 0:00:34]} 40. h4 {[%emt 0:02:13]} Qd8 {[%emt 0:03:10]} 41. Bg4 {[%emt 0:00:36]} Qe8 {[%emt 0:00:29]} 42. hxg5 {[%emt 0:00:54]} hxg5 {[%emt 0:00:01]} 43. Qf3 {[%emt 0:01:58]} Kf6 {[%emt 0:00:43]} 44. Qh3 {[%emt 0:00:41]} Bg7 {[%emt 0:00:27]} 45. g3 {[%emt 0:02:11]} Qf7 {[%emt 0:01:06]} 46. gxf4 {[%emt 0:01:23]} Rh8 {[%emt 0:01:29]} 47. fxg5+ {[%emt 0:02:38]} Kg6 {[%emt 0:00:01]} 48. Qg3 {[%emt 0:00:35]} Rh7 {[%emt 0:00:26]} 49. f4 {[%emt 0:24:27]} Rbh8 {[%emt 0:02:10]} 50. f5+ {[%emt 0:00:30]} Kxg5 {[%emt 0:00:30]} 51. Bh5+ Kxh5 52. Rc2 {[%emt 0:01:00]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.24"]
[White "Fernandez Pozas, Pablo Antonio"]
[Black "Sandoval Mercado, Carlos"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2072"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,79,36,52,39,60,62,57,21,25,22,27,8,67,36,40,46,46,15,10,9,9,-47,-69,-39,-49,-155,4,-14,-14,-14,-16,-14,-14,-14,-16,-58,-55,-178,-166,-158,-154,-273,-257,-273,-269,-234,-208,-304,-297,-310,-322,-329,-322,-414,-392,-814,-703,-816,-641,-1256,-1213,-1251,-1247,-1206,-1018,-1187,-1116,-29995]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Nf3 e5 7. d5 Nh5 8. g3 {E90: King's Indian: Classical: Early deviations and 6 h3.} f5 9. exf5 gxf5 10. Ng5 {White is slightly better. was the old line (10.Nh4).} (10. Bg5 $5 {[%cal Rg5d8]} Qe8 11. Be2 $11) 10... Nf6 11. g4 Qe7 (11... fxg4 12. hxg4 Qe8 13. Ne6 Bxe6 14. dxe6 Qxe6 15. g5 $16) 12. Qc2 e4 (12... h6 $11 13. Ne6 Bxe6 14. dxe6 Qxe6) 13. gxf5 Bxf5 14. Be3 Na6 {[#]} 15. a3 $146 {Inhibits Nb4.} ({Predecessor:} 15. O-O-O Kh8 16. Nb5 Nb4 17. Qb3 Nd3+ 18. Bxd3 exd3 19. Nd4 Ne4 20. Nxf5 Rxf5 21. Nxe4 Qxe4 22. Qxd3 {1-0 (40) Zhigalko,S (2658)-Kovalev,V (2453) Minsk 2012}) 15... Nc5 16. O-O-O h6 17. Nf3 exf3 $15 18. Qxf5 Nfe4 {Pair of Knights!} 19. Qg4 {[#]} ({Only move:} 19. Qg6 $15) 19... Qf6 $2 {Black is more active.} 20. Bxc5 Nxc5 ({Don't take} 20... Nxc3 21. Bd4 h5 22. Qxg7+ (22. Bxf6 Ne2+ 23. Bxe2 hxg4 $16) 22... Qxg7 23. Bxg7 Ne2+ 24. Bxe2 fxe2 25. Rdg1 (25. Bxf8 exd1=Q+ 26. Kxd1 Rxf8 $16) 25... e1=Q+ 26. Rxe1 $16) 21. Rg1 Rae8 {[%cal Oc5e4,Ba8e8,Be8e5,Be5g5][%mdl 32]} 22. Bd3 {To avoid Ne4} Re5 23. Qg6 Qxg6 $40 {[%mdl 128] Black attacks.} 24. Bxg6 (24. Rxg6 $11 {deserves consideration.} Nxd3+ 25. Rxd3) 24... Rf4 25. Rg4 {White does not recover from this.} ({White should play} 25. Bc2 $15) 25... Rxg4 $19 26. hxg4 Rg5 {[%csl LRg4,LRg6]} 27. Bh5 (27. Bf5 $17) 27... Bxc3 28. bxc3 {[%mdl 4096] Endgame KRB-KRN} Re5 {[#] White must now prevent ...Re2.} 29. g5 hxg5 {[%cal Bh6g5,Bg5g4,Bg4g3,Bg3g2][%mdl 32] Hoping for ...Re2.} 30. Bxf3 (30. Rg1 {was the only defense.}) 30... Rf5 31. Bh5 Rxf2 32. Rg1 Kg7 33. Be8 Kf6 34. Rh1 $2 (34. Bh5) 34... g4 {And now ...g3 would win. Black is clearly winning.} 35. Rh6+ Ke7 {Strongly threatening ...g3.} 36. Bh5 g3 37. Rg6 g2 38. Bd1 Nd3+ 39. Kb1 Nf4 40. Bh5 {Weighted Error Value: White=0.55/Black=0.15 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.26"]
[White "Cortes Rodriguez, Marco"]
[Black "Lopez Gonzalez, Abel Fabian"]
[Result "1/2-1/2"]
[ECO "A14"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,76,-4,0,0,0,-9,9,-7,0,0,0,0,7,0,44,0,39,-2,30,25,39,45,59,55,46,50,52,33,63,45,91,90,65,77,120,45,49,45,39,0,0,0,68,78,171,147,182,160,174,102,118,95,91,45,60,28,70,32,30]} 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. c4 e6 5. O-O Nf6 6. b3 Be7 7. Bb2 O-O 8. d3 b6 9. Nbd2 Bb7 10. cxd5 exd5 11. e3 {[#] A14: English Opening: 1...e6 with b3 by White.} Ba6 $146 ({Predecessor:} 11... Rc8 12. Ne5 Qc7 13. Nxc6 Bxc6 14. Rc1 Bb5 15. Qc2 Qd6 16. h3 Rfd8 17. Rfd1 Qe6 {0-1 (76) Kuznetsova,L (2045)-Baliuniene,M Plovdiv 2013}) 12. Qb1 Nb4 13. Ne1 {The position is equal.} Qd7 14. a3 $1 Nc6 15. Nef3 Rad8 16. Re1 Qg4 (16... Qf5 $11) 17. Qc2 (17. b4 $14 {deserves consideration.}) 17... Qg6 18. Bf1 (18. Nh4 $14 Qxd3 19. Qc1) 18... Ng4 19. Rac1 {[%cal Ob3b4]} Bc8 20. b4 {[%cal Rb4c5,Bb3b4,Bb4b5][%mdl 32]} h5 {[%cal Oh5h4]} 21. b5 $1 Na5 {[%cal Oh5h4]} 22. h3 Nh6 23. Ne5 $1 Qd6 24. Bg2 Bf5 (24... Nf5 $14) 25. e4 $16 dxe4 26. Nxe4 Qb8 (26... Bxe4 $142 27. dxe4 (27. Bxe4 Bf6 $14) 27... Qe6) 27. f4 ({White should try} 27. Qe2 $16) 27... Qc8 $14 28. Kh2 {[%cal Od3d4]} f6 29. Nc4 (29. Nc6 {with more complications.} Nxc6 30. bxc6 Rfe8 31. Qa4 Kf8 32. Rcd1) 29... Nxc4 30. dxc4 Rd7 ({Black should play} 30... Bd6 $11) 31. Qe2 h4 (31... Bg6 $16) 32. g4 $36 {[%mdl 2048] White is in control.} Bg6 33. f5 Bf7 {[#]} 34. Qf2 {Active counter play!} (34. Kh1 $1 $18) 34... Bd6+ $16 35. Nxd6 Rxd6 36. Rc2 (36. Bf1 $16) 36... Qc7 {aiming for ...Rd2+.} 37. Qf4 {Prevents Rd2.} ({Much weaker is} 37. Qxh4 Rd2+ 38. Be5 Qd8 39. Rxd2 Qxd2 $15) 37... Rfd8 (37... Rc8 $11) 38. Kg1 {[#] Strongly threatening g5.} ({Of course not} 38. g5 fxg5 39. Qe5 R6d7 40. Qxc7 Rxc7 $15) 38... R6d7 {Weighted Error Value: White=0.18 (very precise) /Black=0.21 (precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.27"]
[White "Capo Vidal, Uriel"]
[Black "Huguet, Sergio"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2306"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,91,47,40,63,60,146,148,147,151,151,151,149,152,143,142,170,173,173,163,178,160,457,457,719,708,753,729,681,423,418,413,368,384,416,391,358,266,437,446,420,417,503,495,1291,1183,1163,1385,1332,868,1341,1046,1262,1129,1341,1268,2870,2272,5065,3131,2553,2376,29965,29966,29967,29968,29968,29969,29962,29962,5493,2418]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5 Nxd5 10. cxd5 c6 11. Bc4 cxd5 12. Bxd5 h6 {E90: King's Indian: Classical: Early deviations and 6 h3.} 13. O-O-O {[%cal Od5f7] [#] aiming for Bxf7+!} Nc6 ({Black should try} 13... Nd7 $14) 14. Bxc6 $16 Rxd1+ {White is clearly better.} 15. Rxd1 bxc6 16. Rd8+ Kh7 {[#]} 17. Nd2 $146 {White is much more active.} ({Predecessor:} 17. Re8 a5 18. Nxe5 Bxe5 19. Rxe5 Be6 20. a3 h5 21. Rc5 a4 22. Rxc6 Rc8 23. Rxc8 Bxc8 {½-½ (37) Rios Filho,H (2228)-Dacal Mendes,J (1907) Rio de Janeiro 2008}) 17... Bf6 18. Re8 Bb7 19. Rxa8 Bxa8 20. Bxa7 $18 {[%mdl 4096] Endgame KBB-KBN} Bg5 21. Be3 {[#] Bxg5 is the strong threat.} Bxe3 (21... Be7 $16 22. Nc4 f6) 22. fxe3 $16 {KB-KN} c5 (22... g5 $142 23. Kc2 Kg6) 23. Kc2 $18 g5 24. Kd3 Kg6 25. Nc4 Kf6 26. Nb6 Bc6 27. Nd5+ Ke6 28. Kc4 Kd6 29. Nc3 {Strongly threatening g4.} f5 $2 (29... h5 {was worth a try.} 30. Nb5+ Ke6 31. Kxc5 Bxe4) 30. exf5 {Hoping for e4.} Bxg2 31. Kd3 Bf1+ 32. Kd2 c4 (32... Ke7 $142 33. a4 h5) 33. e4 h5 34. Ke1 Bh3 35. Kf2 {And now Kg3 would win.} h4 36. Kf3 Kc5 37. Nd1 g4+ 38. Kf2 Kd4 39. Nc3 Kc5 40. f6 {Intending f7 and mate.} Kd6 41. Nd5 {White threatens f7 and mate.} Ke6 42. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Kf7 43. a5 g3+ 44. hxg3 hxg3+ 45. Kxg3 Bc8 46. Kf2 {Black got outplayed after the opening.  Weighted Error Value: White=0.23 (precise) /Black=0.60} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.28"]
[White "Herrera Ortiz, Miguel"]
[Black "Herrera Aruca, Jorge Frank"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "2297"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,132,25,20,26,22,26,21,23,20,20,21,17,14,26,22,42,14,17,24,54,26,33,0,42,7,43,33,32,0,97,106,84,89,101,18,93,94,150,150,157,153,163,164,168,138,190,176,389,179,177,129,140,139,139,115,124,113,119,96,133,109,181,181,168,162,197,126,131,131,138,128,135,137,263,247,246,252,254,0,210,225,219,219,218,235,217,215,208,193,244,165,321,293,341,335,357,301,343,226,333,323,765,765,745,744,723,723,1710,1648,1781,1639,2695,2524,29969,29970,29958,6519,29969,29952,29975,29976,2364]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Qe7+ {outshines the older 6...Bd6.} 7. Be2 Qc7 {C09: French Tarrasch: 3...c5 4 exd5 exd5 5 Ngf3 Nc6.} (7... Nxd4 8. Nxd4 cxd4 9. O-O $16) 8. O-O Nf6 9. Re1 cxd4 {The position is equal.} 10. Nb3 Bb4 11. Bd2 Bxd2 12. Qxd2 O-O 13. Nfxd4 {[#]} Ne4 $146 ({Predecessor:} 13... Bd7 14. Nxc6 bxc6 15. Nc5 Bf5 16. Bd3 Bxd3 17. cxd3 Rfe8 18. h3 Qd6 19. d4 Ne4 {½-½ (50) Engel,L (2553)-Fridman,D (2601) Magdeburg 2021}) 14. Qd1 a5 15. a4 Qf4 16. Nf3 Be6 17. Nbd4 Ne5 (17... Bg4 $11 {is more appropriate.}) 18. Rf1 Ng6 19. c3 Rad8 20. Qb3 (20. Bb5 {feels hotter.} Qh6 21. Re1 Nf4 22. Qc1 Qf6 23. Qe3) 20... Nd6 (20... Qf6 $11) 21. Rfe1 Qf6 22. Bf1 Nf4 23. Re3 (23. g3 $16 Ng6 24. Qb6) 23... Nf5 (23... Nc4 $1 $11) 24. Nxf5 $1 $16 (24. Qxb7 $6 Nxe3 25. fxe3 Ng6 $15) 24... Qxf5 (24... Bxf5 $142 25. Rae1 (25. Qxb7 Rb8 $16) 25... Be4) 25. Nd4 (25. Qxb7 $6 Rb8 26. Qe7 Rxb2 $14) 25... Qg5 26. g3 (26. Qxb7 $6 Nh3+ 27. Rxh3 Bxh3 $14) 26... Nh3+ 27. Bxh3 Bxh3 28. Rae1 (28. Qxb7 $6 Rb8 29. Qa6 Rxb2 $16) 28... Bd7 (28... Rd7 $16 29. Qb5 Qd8) 29. Re5 $18 Qd2 (29... Qh6 30. Qxb7 (30. Qxd5 Qb6 $16) 30... Bxa4) 30. R5e2 (30. R5e3 $142) 30... Qg5 31. Qb6 ({White should play} 31. h4 $18 Qf6 32. Qxb7) 31... Bxa4 $16 32. Qxa5 Bc6 33. Qc5 Qf6 34. Re5 g6 35. h4 h5 36. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Qd6 (36... Bd7 $16 37. Qxd5 Bc6) 37. Qb6 $1 $18 {Threatens to win with b5.} Qb8 38. b5 $1 Rde8 39. Re7 (39. bxc6 Rxe5 40. Rxe5 Qxe5 $16) (39. Nxc6 bxc6 40. Qxb8 Rxb8 $14) (39. Rxe8 $18 Rxe8 40. Rxe8+ Bxe8 41. Nc6 $1 {[%mdl 512]}) 39... Bd7 $16 40. Qf6 {[%cal Oe1e6] White threatens R1e6! and mate.} Qc8 41. R1e3 {White is much more active.} Rxe7 42. Rxe7 Bh3 (42... Bg4 $16 {keeps fighting.}) 43. Kh2 $1 $18 Bg4 44. f3 $40 {[%mdl 128] White goes for the king.} Bd7 {[%cal Oc8c4]} 45. Qf4 $2 ({Only move:} 45. g4 $1 $18 {[%cal Rg4h5] Hoping for gxh5.} hxg4 46. h5 Qxc3 47. hxg6 (47. Rxd7 gxf3 48. h6 Qd2+ 49. Kg3 Qe1+ 50. Kg4 Qg1+ 51. Kf4 Qh2+ 52. Kxf3 Qh3+ 53. Ke2 Re8+ 54. Re7 Rxe7+ 55. Qxe7 Qxh6 $18) 47... gxf3 48. Qh4 (48. Rxd7 Qd2+ 49. Kh3 Qg2+ 50. Kh4 Qh1+ 51. Kg5 Qg2+ 52. Kh4 Qh1+ 53. Kg5 Qg2+ 54. Kh4 $11) (48. gxf7+ Kh7 $18) (48. Rxf7 Qc7+ 49. Kh1 Qc1+ 50. Kh2 Qh6+ 51. Kg3 Qh3+ 52. Kf4 Qh6+ 53. Kg3 Qh3+ 54. Kf4 Qh6+ 55. Kg3 $11) 48... Qc7+ 49. Kh1 Qc1+ 50. Re1 Qxe1+ 51. Qxe1 fxg6 52. Qf2) 45... Qd8 $2 (45... Bxb5 $1 $11 46. Nxb5 Qc5 47. Rxb7 Qf2+ 48. Kh3 Qf1+ 49. Kh2 Qf2+ 50. Kh3 Qf1+ 51. Kh2 Qf2+) 46. Qd6 $1 Bc8 47. Qxd8 Rxd8 {[%mdl 4096] Endgame [#] KRB-KRN} 48. Rc7 Kg7 49. Kg2 Kf6 50. Kf2 Re8 (50... g5 $142 51. hxg5+ Kxg5 52. Rxf7 Bd7 53. f4+ Kg6) 51. Ne2 Ke6 $2 (51... Rd8 {might work better.} 52. b6 Bd7 53. Rxb7 Ke7) 52. Nf4+ Kd6 53. Rxf7 Kc5 54. Rc7+ ({But not} 54. Nxg6 Kxb5 55. Nf4 d4 56. cxd4 Kc4 $18) 54... Kxb5 55. Nxd5 Be6 (55... Bf5 $142 56. Ne3 (56. Rxb7+ Kc6 $18) 56... Kb6) 56. Rxb7+ Kc6 $2 (56... Kc5) 57. Re7 Ra8 58. Rxe6+ Kxd5 59. Rxg6 {KR-KR} Kc4 60. Rh6 Ra5 61. g4 hxg4 62. fxg4 Kxc3 63. Rd6 Kc4 64. Kf3 (64. g5 $142 Ra2+ 65. Kf3 Ra3+ 66. Kg4 Kc5 67. Rd8 Kc6 68. g6 Kc7 {[#]} 69. g7 $1 {[%mdl 512]} Ra4+ 70. Kg5 Ra5+ 71. Kf6 Kxd8 72. g8=Q+ Kc7 73. Qc4+ Kd7 74. Qg4+ Kc7 75. Qc4+ Kd7 76. Qg4+ Kc7 77. Qc4+) 64... Kc5 65. Rd1 Ra4 66. h5 Ra8 {Weighted Error Value: White=0.24 (precise) /Black=0.36} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.29"]
[White "Miranda Llanes, Yerisbel"]
[Black "Francisco Cruz, Yahir Alberto"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2261"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,99,0,1,0,-9,-4,13,3,15,0,47,0,60,57,64,37,113,112,137,126,138,143,124,126,177,187,190,164,200,185,175,164,191,195,197,192,201,200,189,182,182,182,182,152,182,182,182,176,182,182,188,170,203,193,213,205,224,206,225,206,224,230,224,0,205,200,223,214,4308,4570,4578,4570,4570,4690,5666,5412,5422,4998,3616,3329,2954,2954,1039,919,4574,966]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 $1 {[%mdl 4] is recently more successful than 7.Bc4.} Bg7 8. Bb5+ Nc6 9. Rb1 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} O-O {[%cal Rc5d4]} 10. d5 {[#]} a6 $1 11. Be2 {The position is equal.} ({Of course not} 11. Bxc6 bxc6 12. dxc6 Bxc3+ 13. Bd2 Qd3 14. Bxc3 Qxe4+ 15. Kf1 Qc4+ 16. Kg1 Qxc3) 11... Ne5 12. O-O Qa5 {[#]} (12... Nxf3+ $11 13. Bxf3 Bxc3) 13. Be3 $146 (13. Nxe5 $14 Bxe5 14. c4) ({Predecessor:} 13. Bg5 Re8 14. c4 Nxf3+ 15. Bxf3 Qxa2 16. Be2 Qa5 17. Bd2 Qc7 18. f4 Bd4+ 19. Kh1 {1-0 (40) Hernandez Guerrero,Y (2225)-Martinez Sasso,A (2073) Mexico City 2006}) 13... Qxc3 (13... Nxf3+ $11 14. Bxf3 Bxc3) 14. Rc1 $14 Qa5 15. Bxc5 (15. Nxe5 {is interesting.} Bxe5 16. Bxc5 Bf4 17. Bxe7 Re8 18. Rc5) 15... Qd8 ({Black should play} 15... Nxf3+ $14 16. Bxf3 Re8) 16. d6 {White is more active.} Nxf3+ 17. Bxf3 exd6 18. Bxd6 ({Reject} 18. Qxd6 $6 Re8 $14) 18... Re8 {[#]} 19. e5 $1 Qa5 (19... Bf8 $16) 20. Bd5 $18 Be6 21. Bxb7 Ra7 22. Bc6 Rd8 23. Qd4 Rc7 {[#]} 24. Bxc7 $1 Qxc7 25. Qe3 Qxe5 26. Qxe5 Bxe5 {A strong pair of Bishops.} 27. Rfd1 {To avoid Rd2} Rxd1+ 28. Rxd1 {Black must now prevent Bd5.} Bxa2 {[%mdl 4096] Endgame KRB-KB} 29. Rd8+ Kg7 30. Ra8 Bc4 31. Bb7 h5 32. Bxa6 Be6 33. Be2 f6 34. Ra7+ Kh6 35. Bd3 Bg8 36. Kf1 Bd5 37. Ra4 Bc6 38. Ra6 Bd5 39. Ra4 Bc6 $1 40. Rb4 Bd7 41. h3 {[%cal Bh2h3,Bh3h4][%mdl 32]} Kg5 $2 (41... Be6 42. f4 Ba1) 42. f4+ {White is clearly winning.} Bxf4 43. h4+ $1 Kg4 44. Kf2 Bf5 45. Be2+ Kxh4 46. g3+ {[%mdl 64] Pin} Kg5 47. Rxf4 Bc8 48. Rc4 Bh3 49. Rc5+ f5 50. Rc4 {Weighted Error Value: White=0.14 (very precise) /Black=0.18 (very precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.30"]
[White "Flores Guerrero, Jesus Aldair"]
[Black "Moran Velez, Francisco Ramon"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2251"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,-15,0,-21,-31,-65,-41,-40,-9,-19,-11,-8,-15,-38,25,47,42,3,28,21,20,10,12,12,41,0,7,0,13,16,14,-6,-31,-20,29,26,65,50,243,231,209,221,230,210,525,530,789,770,1832,1124,1282,631,772,731]} 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Qc1 {A03: Bird's Opening with 1...d5.} c5 7. Nc3 Nc6 (7... d4 $5 {[%cal Rd4c3]} 8. Na4 b6 $15) 8. Bb5 {[#] Black is slightly better.} Bd7 $146 ({Predecessor:} 8... d4 9. Nd1 dxe3 10. dxe3 Qa5+ 11. Nc3 Ne4 12. Bxc6 Bxc3+ 13. Bxc3 Qxc3+ 14. Ke2 bxc6 {0-1 (27) Goc,J (1978)-Ruckschloss,K (2236) Tatranske Matliare 2008}) 9. O-O a6 10. Bxc6 Bxc6 11. Ne5 Nd7 ({Black should play} 11... Qc7 $15) 12. Nxc6 $11 bxc6 13. Nd1 f5 14. Bxg7 Kxg7 15. Qb2+ Kf7 16. Qc3 Qb6 17. Nf2 Qb4 18. Qd3 e6 19. a3 Qb6 20. Kh1 a5 21. a4 Rfb8 (21... Kg8 $142) 22. e4 c4 ({Less strong is} 22... fxe4 23. Nxe4 $1 Kg8 24. Ng5 $16 (24. Qh3 Re8 $16)) 23. bxc4 {g4 is the strong threat.} Nc5 $2 {This move loses the game for Black.} (23... Nf6 $1 $14) 24. Qh3 $18 Kg8 25. exf5 exf5 {[#]} 26. g4 $1 fxg4 (26... Ne4 {is a better chance.} 27. Nxe4 fxe4) 27. Nxg4 {White is clearly winning.} Ra7 28. f5 g5 29. Nh6+ Kf8 30. Qc3 (30. f6 $142 Qc7 31. d4 dxc4 32. Qf5) 30... Qb2 31. Qe3 {[%csl LRc5,LRg5] Weighted Error Value: White=0.30/Black=0.53} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.31"]
[White "Castellanos Hernandez, Emilio Agustin"]
[Black "Martin Del Campo Cardenas, Roberto Abel"]
[Result "1/2-1/2"]
[BlackElo "2250"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,15,20,18,20,10,24,39,52]} 1. d4 c5 2. dxc5 e6 3. Nc3 Bxc5 4. Ne4 d5 5. Nxc5 Qa5+ 6. c3 {[#] Hoping for Qd4. A43: Schmid Benoni.} Qxc5 7. e4 dxe4 8. Qg4 {[%csl LRe4,LRg7] [#]} {Predecessor:} Qe5 $146 9. Bf4 h5 10. Qg3 h4 11. Qg4 Qf6 12. Bxb8 Rxb8 13. Bb5+ Kf8 14. Qxe4 a6 {½-½ (37) Mihok,O (2510)-Horvath,J (2534) Hungary 2015} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.32"]
[White "Ortez, Andrea"]
[Black "Tapie Amione, Pablo Adib"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2241"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:05:27]} c5 {[%emt 0:00:19]} 2. c3 {[%emt 0:00:33]} Nf6 {[%emt 0:00:11]} 3. e5 {[%emt 0:00:16]} Nd5 {[%emt 0:00:04]} 4. Nf3 {[%emt 0:00:20]} d6 {[%emt 0:00:19]} 5. Bc4 {[%emt 0:00:59]} e6 {[%emt 0:01:51]} 6. d4 {[%emt 0:00:58]} cxd4 {[%emt 0:01:17]} 7. cxd4 {[%emt 0:00:05]} Nc6 {[%emt 0:02:52]} 8. O-O {[%emt 0:02:11]} Be7 {[%emt 0:00:12]} 9. Qe2 {[%emt 0:00:48]} O-O {[%emt 0:00:13]} 10. Rd1 {[%emt 0:00:38]} Qb6 {[%emt 0:00:19]} 11. Nc3 {[%emt 0:02:37]} Nxc3 {[%emt 0:00:17]} 12. bxc3 {[%emt 0:00:05]} dxe5 {[%emt 0:00:26]} 13. dxe5 {[%emt 0:07:08]} Qc7 {[%emt 0:01:10]} 14. Bd3 {[%emt 0:01:24]} Rd8 {[%emt 0:00:31]} 15. Qe4 {[%emt 0:02:21]} g6 {[%emt 0:00:12]} 16. Bh6 {[%emt 0:02:28]} Bd7 {[%emt 0:00:48]} 17. h4 {[%emt 0:02:32]} Be8 {[%emt 0:00:27]} 18. h5 {[%emt 0:04:09]} Rd5 {[%emt 0:00:34]} 19. Re1 {[%emt 0:22:34]} Rad8 {[%emt 0:04:38]} 20. Bc4 {[%emt 0:03:03]} Rc5 {[%emt 0:03:05]} 21. hxg6 {[%emt 0:05:46]} hxg6 {[%emt 0:00:10]} 22. Be3 {[%emt 0:03:39]} Nd4 {[%emt 0:00:18]} 23. cxd4 {[%emt 0:01:35]} Rxc4 {[%emt 0:00:02]} 24. Rad1 {[%emt 0:04:18]} Qc6 {[%emt 0:00:52]} 25. Qg4 {[%emt 0:01:17]} Qd5 {[%emt 0:00:52]} 26. Qh3 {[%emt 0:02:52]} Rc3 {[%emt 0:01:39]} 27. Qh2 {[%emt 0:03:23]} f5 {[%emt 0:04:58]} 28. Bg5 {[%emt 0:09:49]} Bxg5 {[%emt 0:03:45]} 29. Nxg5 {[%emt 0:00:04]} Rd7 {[%emt 0:01:37]} 30. Qh6 {[%emt 0:06:29]} Rdc7 {[%emt 0:09:53]} 31. Nxe6 {[%emt 0:03:39]} Qxe6 {[%emt 0:00:05]} 32. d5 {[%emt 0:00:02]} Qc8 {[%emt 0:00:55]} 33. e6 {[%emt 0:00:34]} Rh7 {[%emt 0:00:44]} 34. Qg5 {[%emt 0:00:18]} Rc4 {[%emt 0:02:18]} 35. g3 {[%emt 0:03:06]} Rg4 {[%emt 0:00:14]} 36. Qe3 {[%emt 0:00:02]} Qd8 {[%emt 0:00:36]} 37. Kg2 {[%emt 0:00:51]} Re4 {[%emt 0:00:16]} 38. Qb3 {[%emt 0:00:15]} Rxe1 {[%emt 0:00:23]} 39. Rxe1 {[%emt 0:00:01]} Qd6 {[%emt 0:00:16]} 40. Rc1 {[%emt 0:00:39]} f4 {[%emt 0:03:26]} 41. Rc8 {[%emt 0:00:21]} Kf8 {[%emt 0:00:08]} 42. Qb5 {[%emt 0:00:56]} Re7 {[%emt 0:00:13]} 43. Qc4 {[%emt 0:00:22]} Kg7 {[%emt 0:01:19]} 44. Qd4+ {[%emt 0:00:25]} Kh7 {[%emt 0:00:11]} 45. Qe4 {[%emt 0:01:06]} fxg3 {[%emt 0:00:36]} 46. fxg3 {[%emt 0:00:07]} a5 {[%emt 0:02:26]} 47. Qh4+ {[%emt 0:00:23]} Kg8 {[%emt 0:00:28]} 48. Qg5 {[%emt 0:00:25]} Kg7 {[%emt 0:00:16]} 49. Kh2 {[%emt 0:00:59]} b5 {[%emt 0:03:55]} 50. Rc2 {[%emt 0:00:21]} Kg8 {[%emt 0:01:01]} 51. Rf2 {[%emt 0:00:39]} Rh7+ {[%emt 0:03:47]} 52. Kg1 {[%emt 0:00:03]} Rh5 {[%emt 0:00:07]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.33"]
[White "Blanco Fernandez, Alvaro"]
[Black "Montes Orozco, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2216"]
[Annotator "ChessBase"]
[PlyCount "50"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:04:14]} d5 {[%emt 0:02:23]} 2. c4 {[%emt 0:00:09]} c6 {[%emt 0:00:24]} 3. Nc3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:14]} 4. e3 {[%emt 0:00:18]} e6 {[%emt 0:03:31]} 5. b3 {[%emt 0:01:18]} Bd6 {[%emt 0:02:51]} 6. Bd3 {[%emt 0:00:18]} Nbd7 {[%emt 0:01:52]} 7. Nge2 {[%emt 0:01:20]} b6 {[%emt 0:00:51]} 8. a4 {[%emt 0:01:46]} O-O {[%emt 0:01:20]} 9. Ba3 {[%emt 0:01:11]} Bxa3 {[%emt 0:01:39]} 10. Rxa3 {[%emt 0:00:01]} Qe7 {[%emt 0:00:53]} 11. Ra1 {[%emt 0:01:31]} a5 {[%emt 0:08:24]} 12. O-O {[%emt 0:00:34]} Rd8 {[%emt 0:01:03]} 13. Qc2 {[%emt 0:04:08]} Bb7 {[%emt 0:01:52]} 14. Rfe1 {[%emt 0:04:14]} Rac8 {[%emt 0:01:43]} 15. e4 {[%emt 0:00:26]} dxe4 {[%emt 0:00:14]} 16. Nxe4 {[%emt 0:00:02]} Nxe4 {[%emt 0:00:44]} 17. Bxe4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:23]} 18. Bf3 {[%emt 0:00:37]} c5 {[%emt 0:02:01]} 19. Bxb7 {[%emt 0:02:16]} Qxb7 {[%emt 0:00:09]} 20. Rad1 {[%emt 0:00:21]} cxd4 {[%emt 0:09:02]} 21. Nxd4 {[%emt 0:00:44]} Rd7 {[%emt 0:00:10]} 22. Nf3 {[%emt 0:01:48]} Rcd8 {[%emt 0:00:38]} 23. Ne5 {[%emt 0:00:58]} Rd4 {[%emt 0:08:12]} 24. Nf3 {[%emt 0:03:38]} R4d7 {[%emt 0:00:31]} 25. Ne5 {[%emt 0:00:38]} Rd4 {[%emt 0:51:56]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.34"]
[White "Lopez Padilla, Piero Raul"]
[Black "Chinchilla Miranda, Eugenio"]
[Result "1/2-1/2"]
[ECO "E01"]
[BlackElo "2193"]
[Annotator "ChessBase"]
[PlyCount "144"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:09]} d5 {[%emt 0:00:12]} 2. c4 {[%emt 0:00:09]} e6 {[%emt 0:00:05]} 3. Nf3 {[%emt 0:00:12]} Nf6 {[%emt 0:00:06]} 4. g3 {[%emt 0:00:09]} Bb4+ {[%emt 0:00:20]} 5. Bd2 {[%emt 0:00:11]} Bd6 {[%emt 0:00:07]} 6. Bg2 {[%emt 0:00:38]} O-O {[%emt 0:00:12]} 7. O-O {[%emt 0:04:42]} Nbd7 {[%emt 0:00:18]} 8. c5 {[%emt 0:01:18]} Be7 {[%emt 0:00:06]} 9. Nc3 {[%emt 0:00:21]} c6 {[%emt 0:01:47]} 10. Qc2 {[%emt 0:01:02]} b6 {[%emt 0:04:41]} 11. b4 {[%emt 0:01:51]} a5 {[%emt 0:01:11]} 12. a3 {[%emt 0:02:55]} Ba6 {[%emt 0:00:41]} 13. Rfd1 {[%emt 0:03:19]} Qc7 {[%emt 0:04:02]} 14. Bf4 {[%emt 0:02:46]} Qb7 {[%emt 0:00:25]} 15. Rab1 {[%emt 0:07:58]} axb4 {[%emt 0:02:03]} 16. axb4 {[%emt 0:00:14]} Nh5 {[%emt 0:02:20]} 17. Bd2 {[%emt 0:07:19]} Bc4 {[%emt 0:03:54]} 18. e4 {[%emt 0:07:44]} dxe4 {[%emt 0:02:48]} 19. Nxe4 {[%emt 0:00:50]} Bd5 {[%emt 0:00:57]} 20. Ra1 {[%emt 0:00:29]} Nhf6 {[%emt 0:03:03]} 21. Ne5 {[%emt 0:02:14]} Nxe5 {[%emt 0:04:09]} 22. dxe5 {[%emt 0:00:52]} Nxe4 {[%emt 0:00:27]} 23. Bxe4 {[%emt 0:01:03]} Bxe4 {[%emt 0:00:21]} 24. Qxe4 {[%emt 0:00:49]} bxc5 {[%emt 0:01:09]} 25. bxc5 {[%emt 0:03:43]} Rxa1 {[%emt 0:03:45]} 26. Rxa1 {[%emt 0:00:45]} Bxc5 {[%emt 0:01:33]} 27. Be3 {[%emt 0:03:12]} Qb5 {[%emt 0:07:35]} 28. Rc1 {[%emt 0:00:41]} Bxe3 {[%emt 0:00:47]} 29. Qxe3 {[%emt 0:00:23]} Rd8 {[%emt 0:02:31]} 30. Qc3 {[%emt 0:02:48]} h6 {[%emt 0:02:38]} 31. Kg2 {[%emt 0:01:29]} Qd5+ {[%emt 0:01:44]} 32. Kg1 {[%emt 0:00:29]} Rc8 {[%emt 0:01:06]} 33. Ra1 {[%emt 0:04:36]} c5 {[%emt 0:03:41]} 34. h4 {[%emt 0:00:30]} h5 {[%emt 0:01:48]} 35. Rc1 {[%emt 0:01:50]} c4 {[%emt 0:02:59]} 36. Qe3 {[%emt 0:00:35]} Rc5 {[%emt 0:03:11]} 37. Qe2 {[%emt 0:03:43]} g6 {[%emt 0:01:15]} 38. Qe3 {[%emt 0:02:12]} Qc6 {[%emt 0:00:26]} 39. Qc3 {[%emt 0:02:59]} Qe4 {[%emt 0:01:08]} 40. Re1 {[%emt 0:00:24]} Qg4 {[%emt 0:02:44]} 41. Kg2 {[%emt 0:03:04]} Rd5 {[%emt 0:02:49]} 42. Re3 {[%emt 0:00:25]} Rc5 {[%emt 0:06:50]} 43. Re1 {[%emt 0:02:33]} Qf5 {[%emt 0:03:08]} 44. Re3 {[%emt 0:01:50]} Kg7 {[%emt 0:01:08]} 45. Re1 {[%emt 0:04:30]} f6 {[%emt 0:05:05]} 46. Qb4 {[%emt 0:05:00]} Rc7 {[%emt 0:01:40]} 47. exf6+ {[%emt 0:05:30]} Qxf6 {[%emt 0:01:45]} 48. Qb6 {[%emt 0:00:56]} Rf7 {[%emt 0:04:36]} 49. Rxe6 {[%emt 0:01:06]} Qf3+ {[%emt 0:00:08]} 50. Kg1 {[%emt 0:01:16]} Qd1+ {[%emt 0:00:03]} 51. Kg2 {[%emt 0:00:45]} Qd3 {[%emt 0:00:50]} 52. Qe3 {[%emt 0:05:26]} Qxe3 {[%emt 0:03:04]} 53. Rxe3 {[%emt 0:00:10]} Rc7 {[%emt 0:00:09]} 54. Kf1 {[%emt 0:02:16]} c3 {[%emt 0:03:13]} 55. Re1 {[%emt 0:00:11]} Kf6 {[%emt 0:00:07]} 56. Ke2 {[%emt 0:01:57]} Re7+ {[%emt 0:01:45]} 57. Kf1 {[%emt 0:00:07]} Rc7 {[%emt 0:04:06]} 58. Ke2 {[%emt 0:00:10]} Re7+ {[%emt 0:01:34]} 59. Kf1 {[%emt 0:00:07]} Rxe1+ {[%emt 0:00:39]} 60. Kxe1 {[%emt 0:00:04]} Ke5 {[%emt 0:00:06]} 61. f3 {[%emt 0:01:36]} Kd4 {[%emt 0:00:13]} 62. Ke2 {[%emt 0:00:21]} Kc4 {[%emt 0:01:31]} 63. Kd1 {[%emt 0:00:30]} Kd3 {[%emt 0:00:06]} 64. g4 {[%emt 0:00:54]} Ke3 {[%emt 0:00:16]} 65. gxh5 {[%emt 0:01:53]} gxh5 {[%emt 0:00:02]} 66. Kc2 {[%emt 0:00:06]} Kxf3 {[%emt 0:00:10]} 67. Kxc3 {[%emt 0:00:05]} Kg3 {[%emt 0:00:05]} 68. Kd3 {[%emt 0:00:08]} Kxh4 {[%emt 0:00:06]} 69. Ke2 {[%emt 0:00:07]} Kg3 {[%emt 0:00:08]} 70. Kf1 {[%emt 0:00:09]} h4 {[%emt 0:00:10]} 71. Kg1 {[%emt 0:00:04]} h3 {[%emt 0:00:05]} 72. Kh1 {[%emt 0:00:09]} h2 {[%emt 0:06:38]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.35"]
[White "Avila Rodriguez, Joshua Ad"]
[Black "Araya Umana, Carlos"]
[Result "1-0"]
[ECO "C97"]
[WhiteElo "2182"]
[Annotator "NA"]
[PlyCount "51"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:35]} e5 {[%emt 0:07:14]} 2. Nf3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:07]} 3. Bb5 {[%emt 0:00:06]} a6 {[%emt 0:00:16]} 4. Ba4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:11]} 5. O-O {[%emt 0:00:10]} Be7 {[%emt 0:00:05]} 6. Re1 {[%emt 0:00:11]} b5 {[%emt 0:00:21]} 7. Bb3 {[%emt 0:00:06]} d6 {[%emt 0:00:11]} 8. c3 {[%emt 0:00:08]} O-O {[%emt 0:00:11]} 9. h3 {[%emt 0:00:05]} Na5 {[%emt 0:00:24]} 10. Bc2 {[%emt 0:00:06]} c5 {[%emt 0:00:08]} 11. d4 {[%emt 0:00:05]} Qc7 {[%emt 0:00:47] 11...Nd7 injects fresh life into this line.} 12. d5 {[%emt 0:00:06]} Nd7 {[%emt 0:01:49]} 13. b3 {[%emt 0:02:57]} Bf6 {[%emt 0:06:30]} 14. Nbd2 {[%emt 0:03:38] [#]} g6 $146 {[%emt 0:02:19]} ({Predecessor:} 14... c4 15. b4 Nb7 16. a4 Nb6 17. a5 Nd7 18. Nf1 g6 19. Bh6 Bg7 20. Qd2 Nd8 {0-1 (51) Sangma,R (2339)-Laxman,R (2498) Nagpur 2008}) 15. Nf1 {[%emt 0:00:25]} Bg7 {[%emt 0:00:14]} 16. g4 {[%emt 0:00:13]} Nb6 {[%emt 0:13:07]} 17. Ng3 {[%emt 0:00:44]} Nb7 {[%emt 0:06:35]} 18. Be3 {[%emt 0:04:48]} Bd7 {[%emt 0:04:30]} 19. Qc1 {[%emt 0:05:56]} Qc8 {[%emt 0:16:42]} 20. Kh2 {[%emt 0:12:20]} f5 {[%emt 0:06:39]} 21. gxf5 {[%emt 0:04:22]} gxf5 {[%emt 0:00:26]} 22. exf5 {[%emt 0:00:13]} Nxd5 {[%emt 0:00:19]} 23. Bh6 {[%emt 0:01:03]} Qd8 {[%emt 0:05:51]} 24. Nh5 {[%emt 0:03:23]} Bf6 {[%emt 0:11:10]} 25. Rg1+ {[%emt 0:00:56]} Kh8 $18 {[%emt 0:00:14]} 26. Nxf6 {[%emt 0:00:13]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.36"]
[White "Garcia Mendoza, Angie Katherine"]
[Black "Zacarias, M Ruben D"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "2174"]
[Annotator "ChessBase"]
[PlyCount "100"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:01:08]} c5 {[%emt 0:00:15]} 2. Nc3 {[%emt 0:00:41]} Nc6 {[%emt 0:00:11]} 3. f4 {[%emt 0:00:15]} g6 {[%emt 0:00:14]} 4. Nf3 {[%emt 0:00:31]} Bg7 {[%emt 0:00:07]} 5. Bb5 {[%emt 0:00:23]} Nd4 {[%emt 0:00:14]} 6. Bd3 {[%emt 0:00:54]} d6 {[%emt 0:02:12]} 7. Nxd4 {[%emt 0:01:53]} cxd4 {[%emt 0:00:06]} 8. Bb5+ {[%emt 0:00:37]} Bd7 {[%emt 0:00:18]} 9. Bxd7+ {[%emt 0:00:16]} Qxd7 {[%emt 0:00:06]} 10. Nd5 {[%emt 0:03:24]} e6 {[%emt 0:02:27]} 11. Nb4 {[%emt 0:00:41]} Rc8 {[%emt 0:05:10]} 12. O-O {[%emt 0:04:57]} Ne7 {[%emt 0:03:11]} 13. c3 {[%emt 0:00:59]} O-O {[%emt 0:00:55]} 14. Qf3 {[%emt 0:01:03]} f5 {[%emt 0:04:45]} 15. Nc2 {[%emt 0:02:30]} e5 {[%emt 0:03:31]} 16. cxd4 {[%emt 0:02:01]} Qc6 {[%emt 0:14:11]} 17. Nb4 {[%emt 0:04:29]} Qc4 {[%emt 0:11:03]} 18. Qb3 {[%emt 0:01:10]} fxe4 {[%emt 0:00:08]} 19. dxe5 {[%emt 0:00:56]} dxe5 {[%emt 0:02:16]} 20. d3 {[%emt 0:03:11]} exd3 {[%emt 0:00:06]} 21. Qxc4+ {[%emt 0:03:02]} Rxc4 {[%emt 0:00:08]} 22. Nxd3 {[%emt 0:00:20]} e4 {[%emt 0:00:06]} 23. Ne5 {[%emt 0:01:36]} Rc2 {[%emt 0:07:51]} 24. Be3 {[%emt 0:12:33]} Nd5 {[%emt 0:00:25]} 25. Rae1 {[%emt 0:07:10]} g5 {[%emt 0:01:25]} 26. g3 {[%emt 0:02:59]} gxf4 {[%emt 0:00:23]} 27. gxf4 {[%emt 0:01:59]} Bh6 {[%emt 0:00:57]} 28. Ng4 {[%emt 0:02:27]} Bxf4 {[%emt 0:00:42]} 29. Bd4 {[%emt 0:03:01]} e3 {[%emt 0:09:46]} 30. Nf6+ {[%emt 0:04:39]} Rxf6 {[%emt 0:00:05]} 31. Bxf6 {[%emt 0:00:04]} Bxh2+ {[%emt 0:00:03]} 32. Kh1 {[%emt 0:00:06]} Bg3 {[%emt 0:00:07]} 33. Be7 {[%emt 0:09:47]} Bxe1 {[%emt 0:05:28]} 34. Rxe1 {[%emt 0:01:03]} Nxe7 {[%emt 0:00:32]} 35. Rxe3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:49]} 36. Rb3 {[%emt 0:01:09]} b6 {[%emt 0:00:06]} 37. a4 {[%emt 0:01:48]} Kf7 {[%emt 0:00:27]} 38. Rf3+ {[%emt 0:00:53]} Ke6 {[%emt 0:00:09]} 39. b3 {[%emt 0:00:36]} Rb2 {[%emt 0:00:09]} 40. Rh3 {[%emt 0:00:53]} Kd6 {[%emt 0:00:39]} 41. Rd3+ {[%emt 0:04:16]} Kc5 {[%emt 0:00:29]} 42. Rc3+ {[%emt 0:00:07]} Kd5 {[%emt 0:00:13]} 43. Rh3 {[%emt 0:00:15]} Nd4 {[%emt 0:01:12]} 44. Rh5+ {[%emt 0:00:57]} Kd6 {[%emt 0:00:23]} 45. Rxh7 {[%emt 0:03:14]} Nf3 {[%emt 0:00:30]} 46. b4 {[%emt 0:06:13]} Kd5 {[%emt 0:00:52]} 47. a5 {[%emt 0:01:15]} b5 {[%emt 0:00:30]} 48. a6 {[%emt 0:01:20]} Rh2+ {[%emt 0:00:11]} 49. Rxh2 {[%emt 0:00:20]} Nxh2 {[%emt 0:00:05]} 50. Kxh2 {[%emt 0:00:13]} Kc4 {[%emt 0:00:04]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.37"]
[White "Miranda Rodriguez, Tania"]
[Black "Mateos Lopez, Luis Javier"]
[Result "1-0"]
[ECO "B57"]
[WhiteElo "2174"]
[Annotator "ChessBase"]
[PlyCount "85"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:03:53]} 2. Nf3 {[%emt 0:00:08]} d6 {[%emt 0:00:31]} 3. d4 {[%emt 0:00:10]} cxd4 {[%emt 0:00:22]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:11]} 5. Nc3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:12]} 6. Bc4 {[%emt 0:01:38]} Qb6 {[%emt 0:01:26]} 7. Nb3 {[%emt 0:01:10]} e6 {[%emt 0:00:54]} 8. O-O {[%emt 0:03:44]} a6 {[%emt 0:02:17]} 9. a4 {[%emt 0:09:34]} Be7 {[%emt 0:02:52]} 10. Be2 {[%emt 0:03:32]} O-O {[%emt 0:02:16]} 11. a5 {[%emt 0:01:21]} Qc7 {[%emt 0:01:04]} 12. Be3 {[%emt 0:00:47]} Nd7 {[%emt 0:05:20]} 13. f4 {[%emt 0:05:47]} Nc5 {[%emt 0:06:08]} 14. Nd4 {[%emt 0:23:45]} Bd7 {[%emt 0:15:48]} 15. Qe1 {[%emt 0:04:07]} b5 {[%emt 0:13:08]} 16. axb6 {[%emt 0:05:01]} Qxb6 {[%emt 0:00:25]} 17. Nb3 {[%emt 0:03:57]} Qb7 {[%emt 0:01:05]} 18. Nxc5 {[%emt 0:08:12]} dxc5 {[%emt 0:00:16]} 19. b3 {[%emt 0:07:37]} Nd4 {[%emt 0:04:20]} 20. Bd3 {[%emt 0:01:45]} Bc6 {[%emt 0:03:05]} 21. Qg3 {[%emt 0:03:22]} Rfd8 {[%emt 0:07:43]} 22. Qh3 {[%emt 0:02:10]} Qc8 {[%emt 0:03:06]} 23. e5 {[%emt 0:01:09]} g6 {[%emt 0:01:29]} 24. Ne4 {[%emt 0:01:51]} Nf5 {[%emt 0:05:03]} 25. Nf6+ {[%emt 0:02:09]} Bxf6 {[%emt 0:01:12]} 26. exf6 {[%emt 0:00:23]} h5 {[%emt 0:01:05]} 27. Bf2 {[%emt 0:03:37]} Bb5 {[%emt 0:05:20]} 28. c4 {[%emt 0:02:28]} Bc6 {[%emt 0:01:01]} 29. Ra5 {[%emt 0:00:36]} Qb7 {[%emt 0:02:54]} 30. Bxf5 {[%emt 0:01:00]} exf5 {[%emt 0:00:02]} 31. Rxc5 {[%emt 0:00:28]} Be4 {[%emt 0:00:35]} 32. Qg3 {[%emt 0:01:41]} Rd3 {[%emt 0:01:43]} 33. Qg5 {[%emt 0:00:13]} Kh7 {[%emt 0:00:11]} 34. b4 {[%emt 0:00:35]} Rad8 {[%emt 0:00:38]} 35. Re5 {[%emt 0:00:48]} Rd2 {[%emt 0:02:10]} 36. Re7 {[%emt 0:01:00]} R8d7 {[%emt 0:01:33]} 37. Re8 {[%emt 0:00:13]} Rd8 {[%emt 0:00:03]} 38. Re7 {[%emt 0:00:12]} R8d7 {[%emt 0:00:11]} 39. g4 {[%emt 0:01:45]} fxg4 {[%emt 0:03:47]} 40. f5 {[%emt 0:00:25]} Bxf5 {[%emt 0:03:43]} 41. Re8 {[%emt 0:00:16]} Rd8 {[%emt 0:00:13]} 42. Rxd8 {[%emt 0:00:16]} Rxd8 {[%emt 0:01:40]} 43. Be3 {[%emt 0:00:06]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.38"]
[White "Gongora Montes, Benjamin"]
[Black "Alvidrez Aguirre, Genaro"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2157"]
[Annotator "ChessBase"]
[PlyCount "103"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:03:23]} Nf6 {[%emt 0:00:43]} 2. Nf3 {[%emt 0:00:05]} g6 {[%emt 0:00:16]} 3. g3 {[%emt 0:00:04]} Bg7 {[%emt 0:00:21]} 4. Bg2 {[%emt 0:00:04]} O-O {[%emt 0:00:22]} 5. O-O {[%emt 0:00:05]} d5 {[%emt 0:00:35]} 6. Bf4 {[%emt 0:01:03]} c6 {[%emt 0:02:15]} 7. Nbd2 {[%emt 0:00:26]} Bf5 {[%emt 0:01:34]} 8. h3 {[%emt 0:01:11]} Ne4 {[%emt 0:03:23]} 9. g4 {[%emt 0:00:40]} Nxd2 {[%emt 0:01:14]} 10. Qxd2 {[%emt 0:00:28]} Be4 {[%emt 0:00:32]} 11. Bh6 {[%emt 0:00:36]} Nd7 {[%emt 0:02:33]} 12. c4 {[%emt 0:04:52]} Re8 {[%emt 0:05:54]} 13. Bxg7 {[%emt 0:00:51]} Kxg7 {[%emt 0:00:12]} 14. Rac1 {[%emt 0:01:47]} e6 {[%emt 0:18:08]} 15. Rc3 {[%emt 0:00:26]} Qa5 {[%emt 0:10:36]} 16. b3 {[%emt 0:18:03]} Rad8 {[%emt 0:08:34]} 17. Qb2 {[%emt 0:00:37]} Bxf3 {[%emt 0:05:37]} 18. Rxf3 {[%emt 0:01:02]} Nf6 {[%emt 0:01:46]} 19. Rd3 {[%emt 0:10:22]} Qb6 {[%emt 0:05:35]} 20. c5 {[%emt 0:00:14]} Qc7 {[%emt 0:00:11]} 21. f4 {[%emt 0:01:33]} Kg8 {[%emt 0:01:16]} 22. b4 {[%emt 0:00:09]} a6 {[%emt 0:04:13]} 23. a4 {[%emt 0:00:07]} Qd7 {[%emt 0:00:26]} 24. Rb3 {[%emt 0:00:17]} Ne4 {[%emt 0:02:41]} 25. b5 {[%emt 0:00:34]} axb5 {[%emt 0:01:44]} 26. axb5 {[%emt 0:00:07]} Rc8 {[%emt 0:07:52]} 27. Ra1 {[%emt 0:02:41]} Ra8 {[%emt 0:03:29]} 28. Rxa8 {[%emt 0:03:19]} Rxa8 {[%emt 0:00:16]} 29. bxc6 {[%emt 0:00:07]} bxc6 {[%emt 0:00:07]} 30. Rb8+ {[%emt 0:00:15]} Rxb8 {[%emt 0:00:13]} 31. Qxb8+ {[%emt 0:00:07]} Kg7 {[%emt 0:00:02]} 32. Bxe4 {[%emt 0:00:14]} dxe4 {[%emt 0:00:06]} 33. Qe5+ {[%emt 0:00:07]} Kg8 {[%emt 0:00:33]} 34. Qxe4 {[%emt 0:05:59]} Qb7 {[%emt 0:00:49]} 35. f5 {[%emt 0:02:25]} exf5 {[%emt 0:04:11]} 36. gxf5 {[%emt 0:00:09]} gxf5 {[%emt 0:01:05]} 37. Qxf5 {[%emt 0:00:48]} Qb4 {[%emt 0:00:26]} 38. Qg4+ {[%emt 0:01:38]} Kf8 {[%emt 0:00:39]} 39. Kf2 {[%emt 0:00:17]} Qd2 {[%emt 0:00:27]} 40. h4 {[%emt 0:00:22]} h5 {[%emt 0:01:29]} 41. Qe4 {[%emt 0:00:42]} Qh6 {[%emt 0:01:01]} 42. Qe5 {[%emt 0:00:26]} Qd2 {[%emt 0:03:32]} 43. Qe3 {[%emt 0:03:21]} Qb4 {[%emt 0:00:42]} 44. Kg2 {[%emt 0:04:28]} Qc4 {[%emt 0:02:24]} 45. Qh6+ {[%emt 0:00:13]} Ke7 {[%emt 0:00:18]} 46. Qd6+ {[%emt 0:00:07]} Ke8 {[%emt 0:00:52]} 47. Qxc6+ {[%emt 0:00:08]} Kf8 {[%emt 0:00:10]} 48. Qd6+ {[%emt 0:00:50]} Kg8 {[%emt 0:00:20]} 49. Qe5 {[%emt 0:00:28]} f5 {[%emt 0:01:44]} 50. Qe8+ {[%emt 0:00:31]} Kg7 {[%emt 0:00:14]} 51. Qe7+ {[%emt 0:00:06]} Kh8 {[%emt 0:01:31]} 52. Qf8+ {[%emt 0:00:11]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.39"]
[White "Rosales Villegas, Israel"]
[Black "Corrales Jimenez, Zenia"]
[Result "0-1"]
[ECO "B25"]
[BlackElo "2151"]
[Annotator "NA"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:30]} c5 {[%emt 0:00:12]} 2. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:43]} 3. g3 {[%emt 0:00:00]} g6 {[%emt 0:00:45]} 4. Bg2 {[%emt 0:00:09]} Bg7 {[%emt 0:00:07]} 5. Nge2 {[%emt 0:00:15]} d6 {[%emt 0:01:34]} 6. d3 {[%emt 0:00:24]} e6 {[%emt 0:01:59]} 7. O-O {[%emt 0:00:14]} Nge7 {[%emt 0:00:06]} 8. Bg5 {[%emt 0:01:34]} Nd4 {[%emt 0:02:43]} 9. Qd2 {[%emt 0:04:29]} O-O {[%emt 0:02:33]} 10. Rab1 {[%emt 0:02:48]} f6 {[%emt 0:06:46]} 11. Be3 {[%emt 0:06:24]} Nec6 {[%emt 0:05:41]} 12. Nd1 {[%emt 0:07:32]} e5 {[%emt 0:08:18]} 13. c3 {[%emt 0:03:32]} Nxe2+ {[%emt 0:00:27]} 14. Qxe2 {[%emt 0:00:03]} Be6 {[%emt 0:00:45]} 15. b3 {[%emt 0:03:09]} f5 {[%emt 0:00:32]} 16. f4 {[%emt 0:01:16]} Qd7 {[%emt 0:08:24]} 17. Qd2 {[%emt 0:05:57]} b6 {[%emt 0:03:08]} 18. Nf2 {[%emt 0:02:31]} d5 {[%emt 0:02:34]} 19. Qe1 {[%emt 0:08:43]} fxe4 {[%emt 0:03:58]} 20. dxe4 {[%emt 0:01:28]} d4 {[%emt 0:00:45]} 21. Bd2 {[%emt 0:04:41]} exf4 {[%emt 0:03:09]} 22. gxf4 {[%emt 0:01:25]} dxc3 {[%emt 0:00:07]} 23. Bxc3 {[%emt 0:01:07]} Bxc3 {[%emt 0:00:28]} 24. Qxc3 {[%emt 0:00:10]} Rxf4 {[%emt 0:00:33]} 25. Nd3 {[%emt 0:01:49]} Rxf1+ {[%emt 0:00:48]} 26. Rxf1 {[%emt 0:00:24]} Qd4+ {[%emt 0:00:42]} 27. Qxd4 {[%emt 0:00:14]} Nxd4 {[%emt 0:00:04]} 28. Nf4 {[%emt 0:03:08]} Rf8 {[%emt 0:02:17]} 29. Nd3 {[%emt 0:13:19]} Ne2+ {[%emt 0:03:33]} 30. Kh1 {[%emt 0:00:59]} Rxf1+ {[%emt 0:00:29]} 31. Bxf1 {[%emt 0:00:09]} Nc3 {[%emt 0:00:05]} 32. Nf4 {[%emt 0:01:26]} Kf7 {[%emt 0:00:08]} 33. e5 {[%emt 0:04:20]} Nxa2 {[%emt 0:01:25]} 34. Bc4 {[%emt 0:00:22]} Bxc4 {[%emt 0:00:06]} 35. bxc4 {[%emt 0:00:04]} Nb4 {[%emt 0:00:54]} 36. Kg2 {[%emt 0:01:04]} a5 {[%emt 0:02:00]} 37. Kf3 {[%emt 0:01:50]} a4 {[%emt 0:00:07]} 38. Ne2 {[%emt 0:00:19]} a3 {[%emt 0:00:14]} 39. Nc1 {[%emt 0:00:09]} a2 {[%emt 0:00:09]} 40. Nb3 {[%emt 0:00:03]} Nc2 {[%emt 0:00:29]} 41. Ke4 {[%emt 0:00:06]} Ke6 {[%emt 0:00:10]} 42. Kd3 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.40"]
[White "Alfaro Caracas, William Amaro"]
[Black "Hernandez Morales, Dillan"]
[Result "1-0"]
[ECO "A61"]
[Annotator "NA RC"]
[PlyCount "108"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:03:12]} Nf6 {[%emt 0:00:44]} 2. c4 {[%emt 0:00:07]} e6 {[%emt 0:00:06]} 3. Nf3 {[%emt 0:00:19]} c5 {[%emt 0:00:27]} 4. d5 {[%emt 0:00:12]} exd5 {[%emt 0:00:30]} 5. cxd5 {[%emt 0:00:02]} d6 {[%emt 0:00:06]} 6. Nc3 {[%emt 0:00:08]} g6 {[%emt 0:00:04]} 7. h3 {[%emt 0:01:47]} Bg7 {[%emt 0:01:06]} 8. Bf4 {[%emt 0:00:33]} O-O {[%emt 0:00:26]} 9. e3 {[%emt 0:00:04]} a6 {[%emt 0:00:51]} 10. a4 {[%emt 0:00:06]} Ne8 {[%emt 0:01:26]} 11. Be2 {[%emt 0:03:35]} Nd7 {[%emt 0:00:38]} 12. O-O {[%emt 0:00:46]} Qe7 {[%emt 0:01:58]} 13. Re1 {[%emt 0:09:46]} f5 {[%emt 0:02:20]} 14. Bh2 {[%emt 0:05:24]} Rb8 {[%emt 0:04:47]} 15. Nd2 {[%emt 0:00:14]} b6 {[%emt 0:23:34]} 16. Qc2 {[%emt 0:07:04]} Bb7 {[%emt 0:25:08]} 17. Rad1 {[%emt 0:21:38]} Be5 {[%emt 0:08:23]} 18. Bxe5 {[%emt 0:07:29]} Nxe5 {[%emt 0:05:33]} 19. f4 {[%emt 0:04:04]} Nf7 {[%emt 0:01:20]} 20. Bf1 {[%emt 0:03:43]} Qf6 {[%emt 0:15:52]} 21. Qc1 {[%emt 0:13:08]} Nc7 {[%emt 0:00:38]} 22. e4 {[%emt 0:01:17]} Rfe8 {[%emt 0:00:35]} 23. Nf3 {[%emt 0:01:30]} Rbd8 {[%emt 0:01:10]} 24. exf5 {[%emt 0:05:38]} gxf5 {[%emt 0:00:29]} 25. Qd2 {[%emt 0:01:00]} Rxe1 {[%emt 0:02:15]} 26. Rxe1 {[%emt 0:04:35]} Re8 {[%emt 0:00:01]} 27. Rxe8+ {[%emt 0:00:43]} Nxe8 28. Bc4 Nc7 {[%emt 0:01:14]} 29. Qd3 {[%emt 0:00:01]} Bc8 {[%emt 0:00:17]} 30. Kf2 {[%emt 0:00:29]} Kf8 {[%emt 0:00:05]} 31. Qc2 {[%emt 0:02:47]} Ne8 {[%emt 0:01:14]} 32. Qb3 {[%emt 0:00:11]} Qd8 {[%emt 0:00:07]} 33. Bd3 {[%emt 0:00:23]} Qc7 {[%emt 0:02:44]} 34. Nd2 {[%emt 0:01:31]} Qe7 {[%emt 0:00:44]} 35. Nf3 {[%emt 0:00:20]} Qd8 {[%emt 0:00:09]} 36. Qc2 {[%emt 0:00:31]} Ng7 {[%emt 0:00:53]} 37. Qe2 {[%emt 0:00:08]} Qe7 {[%emt 0:00:33]} 38. Bxa6 {[%emt 0:00:49]} Qxe2+ {[%emt 0:00:11]} 39. Bxe2 {[%emt 0:00:02]} Nh5 {[%emt 0:00:12]} 40. g3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:03]} 41. Bd3 {[%emt 0:00:58]} h5 {[%emt 0:00:49]} 42. Nd2 {[%emt 0:01:15]} Bb7 {[%emt 0:01:15]} 43. Nc4 {[%emt 0:00:03]} Nxd5 {[%emt 0:00:30]} 44. Nxd5 {[%emt 0:00:07]} Bxd5 {[%emt 0:00:03]} 45. Nxb6 {[%emt 0:00:06]} Be6 {[%emt 0:00:08]} 46. a5 {[%emt 0:01:08]} Nd8 {[%emt 0:00:25]} 47. Bb5 {[%emt 0:00:04]} h4 {[%emt 0:01:25]} 48. a6 {[%emt 0:00:24]} hxg3+ {[%emt 0:00:06]} 49. Kxg3 {[%emt 0:00:09]} Nf7 {[%emt 0:00:23]} 50. a7 {[%emt 0:00:08]} Kg7 {[%emt 0:00:04]} 51. a8=Q {[%emt 0:00:27]} Kf6 {[%emt 0:00:04]} 52. Nc8 {[%emt 0:01:05]} d5 {[%emt 0:00:10]} 53. b4 {[%emt 0:00:06]} cxb4 {[%emt 0:00:04]} 54. Qa1+ {[%emt 0:00:31]} Kg6 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.42"]
[White "Pla Montero, Silvio"]
[Black "Martinez De La Trinidad, Alexandra"]
[Result "1/2-1/2"]
[ECO "A48"]
[Annotator "NA"]
[PlyCount "25"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:07]} 2. Bf4 {[%emt 0:00:35]} d6 {[%emt 0:00:15]} 3. e3 {[%emt 0:00:07]} g6 {[%emt 0:00:04]} 4. Nf3 {[%emt 0:00:04]} Bg7 {[%emt 0:00:05]} 5. Be2 {[%emt 0:00:04]} O-O {[%emt 0:00:06]} 6. h3 {[%emt 0:00:02]} c5 {[%emt 0:00:10]} 7. O-O {[%emt 0:00:58]} Be6 {[%emt 0:00:15]} 8. Nbd2 {[%emt 0:04:27]} Qb6 {[%emt 0:00:32]} 9. Nc4 {[%emt 0:02:57]} Qc7 {[%emt 1:33:26]} 10. Ncd2 {[%emt 0:05:56]} Qb6 {[%emt 0:00:00]} 11. Nc4 {[%emt 0:11:58]} Qc7 {[%emt 0:00:00]} 12. Ncd2 {[%emt 0:00:33]} Qd8 {[%emt 0:01:30]} 13. Nb1 {[%emt 1:09:17]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.43"]
[White "Mares Arellano, Juan Antonio"]
[Black "Limon Olmos, Ivan Alonso"]
[Result "0-1"]
[ECO "C65"]
[BlackElo "2106"]
[Annotator "NA"]
[PlyCount "85"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:30]} e5 {[%emt 0:18:36]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:17]} 3. Bb5 {[%emt 0:00:13]} Nf6 {[%emt 0:00:42]} 4. Qe2 {[%emt 0:00:15]} Bc5 {[%emt 0:01:31]} 5. O-O {[%emt 0:02:38]} Nd4 {[%emt 0:02:27]} 6. Nxd4 {[%emt 0:00:30]} Bxd4 {[%emt 0:00:30]} 7. d3 {[%emt 0:00:30]} Bc5 {[%emt 0:00:30]} 8. c3 {[%emt 0:03:28]} O-O {[%emt 0:04:07]} 9. Bg5 {[%emt 0:01:33]} Bb6 {[%emt 0:01:23]} 10. Bh4 {[%emt 0:00:10]} h6 {[%emt 0:02:03]} 11. Ba4 {[%emt 0:00:23]} c6 {[%emt 0:00:10]} 12. Kh1 {[%emt 0:00:21]} d6 {[%emt 0:02:28]} 13. Bg3 {[%emt 0:00:18]} g5 {[%emt 0:05:20]} 14. Na3 {[%emt 0:03:52]} Kg7 {[%emt 0:05:59]} 15. f3 {[%emt 0:05:27]} Be6 {[%emt 0:00:09]} 16. Nc2 {[%emt 0:01:43]} Nh5 {[%emt 0:02:13]} 17. Bf2 {[%emt 0:01:16]} Nf4 {[%emt 0:01:29]} 18. Qd2 {[%emt 0:00:36]} d5 {[%emt 0:03:09]} 19. g3 {[%emt 0:09:12]} Ng6 {[%emt 0:01:38]} 20. Bxb6 {[%emt 0:21:42]} axb6 {[%emt 0:07:42]} 21. Bb3 {[%emt 0:03:00]} f5 {[%emt 0:03:46]} 22. exf5 {[%emt 0:03:36]} Bxf5 {[%emt 0:00:37]} 23. Ne3 {[%emt 0:00:36]} Bh3 {[%emt 0:03:38]} 24. Rf2 {[%emt 0:02:40]} Qe7 {[%emt 0:02:26]} 25. Re1 {[%emt 0:07:32]} Rf6 {[%emt 0:01:47]} 26. d4 {[%emt 0:10:57]} Qf7 {[%emt 0:05:23]} 27. g4 {[%emt 0:03:05]} Nh4 {[%emt 0:06:10]} 28. dxe5 {[%emt 0:06:28]} Rf4 {[%emt 0:00:09]} 29. e6 {[%emt 0:01:53]} Qe7 {[%emt 0:02:53]} 30. Bc2 {[%emt 0:00:30]} Rh8 {[%emt 0:05:45]} 31. Nf5+ {[%emt 0:03:36]} Nxf5 {[%emt 0:00:27]} 32. Bxf5 {[%emt 0:00:07]} Rf8 {[%emt 0:03:31]} 33. Qe3 {[%emt 0:00:59]} b5 {[%emt 0:01:25]} 34. Qe5+ {[%emt 0:00:43]} Rf6 {[%emt 0:00:28]} 35. b4 {[%emt 0:00:53]} h5 {[%emt 0:00:13]} 36. Rg1 {[%emt 0:02:40]} Kh6 {[%emt 0:00:45]} 37. Qb8 {[%emt 0:03:12]} Rf8 {[%emt 0:00:27]} 38. Qa7 {[%emt 0:01:04]} d4 {[%emt 0:01:18]} 39. Rd2 {[%emt 0:00:29]} hxg4 {[%emt 0:01:19]} 40. fxg4 {[%emt 0:00:17]} R8xf5 {[%emt 0:03:54]} 41. gxf5 {[%emt 0:00:24]} Bxf5 {[%emt 0:00:05]} 42. Rxd4 {[%emt 0:01:31]} Bxe6 {[%emt 0:01:03]} 43. Rdd1 {[%emt 0:01:05]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.44"]
[White "Martinez Morales, Geovanni"]
[Black "Ramirez Toledo, Ayleen Maribel"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2098"]
[Annotator "NA"]
[PlyCount "29"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:12]} c5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:12]} Nc6 {[%emt 0:00:06]} 3. Bb5 {[%emt 0:00:06]} g6 {[%emt 0:00:57]} 4. O-O {[%emt 0:00:12]} Bg7 {[%emt 0:00:04]} 5. Re1 {[%emt 0:00:16]} Qc7 {[%emt 0:12:49]} 6. a4 {[%emt 0:07:00]} e6 {[%emt 0:14:15]} 7. c3 {[%emt 0:04:49]} a6 {[%emt 0:11:27]} 8. Bf1 {[%emt 0:01:06]} Nge7 {[%emt 0:00:58]} 9. Na3 {[%emt 0:07:04]} O-O {[%emt 0:02:35]} 10. Nc2 {[%emt 0:04:45]} d5 {[%emt 0:01:43]} 11. exd5 {[%emt 0:20:28]} Nxd5 {[%emt 0:00:21]} 12. d4 {[%emt 0:05:34]} cxd4 {[%emt 0:02:15]} 13. Ncxd4 {[%emt 0:01:11]} Nxd4 {[%emt 0:08:04]} 14. Nxd4 {[%emt 0:07:45]} Bd7 {[%emt 0:01:32]} 15. Nf3 {[%emt 0:02:05]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.45"]
[White "Diaz Gonzalez Jardon, Emmanuel"]
[Black "Fernandez Sanchez, Mario Andres"]
[Result "0-1"]
[ECO "D94"]
[BlackElo "2093"]
[Annotator "NA"]
[PlyCount "82"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:30]} c6 {[%emt 0:00:05]} 2. d4 {[%emt 0:00:33]} d5 {[%emt 0:00:03]} 3. e3 {[%emt 0:00:34]} Nf6 {[%emt 0:00:05]} 4. Nc3 {[%emt 0:00:43]} g6 {[%emt 0:00:09]} 5. Nf3 {[%emt 0:01:45]} Bg7 {[%emt 0:00:03]} 6. cxd5 {[%emt 0:01:40]} cxd5 {[%emt 0:00:05]} 7. Bd3 {[%emt 0:00:36]} O-O {[%emt 0:00:08]} 8. O-O {[%emt 0:01:34]} Nc6 {[%emt 0:01:05]} 9. Bd2 {[%emt 0:02:12]} a6 {[%emt 0:03:51]} 10. Rc1 {[%emt 0:01:14]} Bg4 {[%emt 0:02:05]} 11. Be2 {[%emt 0:04:04]} Rc8 {[%emt 0:01:13]} 12. Na4 {[%emt 0:04:08]} Ne4 {[%emt 0:04:22]} 13. Nc5 {[%emt 0:03:03]} Nxc5 {[%emt 0:10:20]} 14. Rxc5 {[%emt 0:00:11]} Qd7 {[%emt 0:11:49]} 15. Qb3 {[%emt 0:03:04]} Rfd8 {[%emt 0:05:28]} 16. Rfc1 {[%emt 0:04:04]} e6 {[%emt 0:00:45]} 17. Qb6 {[%emt 0:01:47]} Bf8 {[%emt 0:02:44]} 18. Rxc6 {[%emt 0:22:10]} Rxc6 {[%emt 0:08:22]} 19. Rxc6 {[%emt 0:00:07]} Bxf3 {[%emt 0:07:52]} 20. Rc7 {[%emt 0:19:02]} Qd6 {[%emt 0:00:01]} 21. Qxb7 {[%emt 0:00:12]} Bxe2 {[%emt 0:00:30]} 22. a3 {[%emt 0:01:20]} e5 {[%emt 0:05:35]} 23. Rxf7 {[%emt 0:01:10]} Rb8 {[%emt 0:03:58]} 24. Qa7 {[%emt 0:00:23]} Rxb2 {[%emt 0:00:16]} 25. Be1 {[%emt 0:02:10]} exd4 {[%emt 0:06:56]} 26. Rxh7 {[%emt 0:03:36]} Qf6 {[%emt 0:00:24]} 27. Rh3 {[%emt 0:00:47]} Qf7 {[%emt 0:09:54]} 28. Qxd4 {[%emt 0:00:44]} Bg7 {[%emt 0:00:09]} 29. Qh4 {[%emt 0:03:49]} Bf6 {[%emt 0:10:57]} 30. Qf4 {[%emt 0:00:19]} Rb1 {[%emt 0:01:51]} 31. f3 {[%emt 0:01:07]} Bc3 {[%emt 0:02:20]} 32. Qd6 {[%emt 0:00:25]} Bb5 {[%emt 0:01:01]} 33. Qd8+ {[%emt 0:05:45]} Be8 {[%emt 0:00:15]} 34. Qc8 {[%emt 0:00:36]} Rxe1+ {[%emt 0:01:17]} 35. Kf2 {[%emt 0:00:02]} Rc1 {[%emt 0:00:01]} 36. Qxa6 {[%emt 0:00:36]} d4 {[%emt 0:00:34]} 37. e4 {[%emt 0:03:58]} Qa2+ {[%emt 0:00:20]} 38. Kg3 {[%emt 0:00:08]} Be1+ {[%emt 0:02:37]} 39. Kf4 {[%emt 0:00:33]} Qf7+ {[%emt 0:00:00]} 40. Kg4 {[%emt 0:03:10]} Bd7+ {[%emt 0:00:00]} 41. Kg5 {[%emt 0:00:05]} Rc5+ {[%emt 0:00:00]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.46"]
[White "Avila Bautista, Roberto Alejandro"]
[Black "Hernandez Diaz, Paula Sofia"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2090"]
[BlackElo "1762"]
[Annotator "NA"]
[PlyCount "74"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:06]} c5 {[%emt 0:00:22]} 2. b3 {[%emt 0:00:08]} Nc6 {[%emt 0:01:16]} 3. Bb2 {[%emt 0:00:24]} d5 {[%emt 0:00:50]} 4. g3 {[%emt 0:00:08]} Nf6 {[%emt 0:00:17]} 5. Bg2 {[%emt 0:00:09]} g6 {[%emt 0:00:28]} 6. O-O {[%emt 0:00:24]} Bg7 {[%emt 0:00:12]} 7. d4 {[%emt 0:02:13]} cxd4 {[%emt 0:01:20]} 8. Nxd4 {[%emt 0:00:09]} O-O {[%emt 0:00:16]} 9. Nd2 {[%emt 0:03:29]} Re8 {[%emt 0:03:37]} 10. N2f3 {[%emt 0:00:27]} Bd7 {[%emt 0:08:30]} 11. Rc1 {[%emt 0:00:37]} Rc8 {[%emt 0:07:01]} 12. Nxc6 {[%emt 0:02:56]} bxc6 {[%emt 0:02:38]} 13. c4 {[%emt 0:00:39]} Be6 {[%emt 0:07:26]} 14. Ng5 {[%emt 0:17:49]} Bf5 {[%emt 0:08:21]} 15. Nf3 {[%emt 0:18:33]} Be4 {[%emt 0:08:45]} 16. Qd2 {[%emt 0:01:52]} Qb6 {[%emt 0:05:08]} 17. cxd5 {[%emt 0:02:24]} cxd5 {[%emt 0:01:29]} 18. Bd4 {[%emt 0:01:16]} Qa6 {[%emt 0:01:40]} 19. Qb2 {[%emt 0:00:47]} Nh5 {[%emt 0:10:01]} 20. Bxg7 {[%emt 0:46:00]} Nxg7 {[%emt 0:00:14]} 21. Ne5 {[%emt 0:00:00]} Bxg2 {[%emt 0:02:04]} 22. Kxg2 {[%emt 0:00:00]} Rxc1 {[%emt 0:00:56]} 23. Rxc1 {[%emt 0:00:00]} Rc8 {[%emt 0:00:54]} 24. Rxc8+ {[%emt 0:00:00]} Qxc8 {[%emt 0:00:46]} 25. Qd4 {[%emt 0:00:00]} Qb7 {[%emt 0:00:48]} 26. Ng4 {[%emt 0:00:00]} Nf5 {[%emt 0:04:32]} 27. Qa4 {[%emt 0:00:00]} f6 {[%emt 0:07:17]} 28. Qf4 {[%emt 0:00:00]} Kg7 {[%emt 0:02:15]} 29. Kg1 {[%emt 0:00:00]} Qa6 {[%emt 0:09:08]} 30. Qd2 {[%emt 0:00:00]} Qc6 {[%emt 0:01:21]} 31. Ne3 {[%emt 0:00:00]} Nxe3 {[%emt 0:00:34]} 32. Qxe3 {[%emt 0:00:00]} Qb7 {[%emt 0:00:12]} 33. Qc5 {[%emt 0:00:00]} Kf7 {[%emt 0:01:16]} 34. b4 {[%emt 0:00:00]} Ke6 {[%emt 0:01:13]} 35. a4 {[%emt 0:00:00]} Qb6 {[%emt 0:02:59]} 36. Qc8+ {[%emt 0:00:00]} Kd6 {[%emt 0:00:24]} 37. Qc3 {[%emt 0:00:00]} Qc6 {[%emt 0:02:30]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.47"]
[White "Gutierrez Herrera, Jose Antonio"]
[Black "Trejo Alonso, Rodrigo Alberto"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2059"]
[Annotator "NA"]
[PlyCount "89"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:31:00]} c5 {[%emt 0:06:08]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:07]} 3. d3 {[%emt 0:00:00]} g6 {[%emt 0:00:19]} 4. g3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:08]} 5. Bg2 {[%emt 0:00:00]} e6 {[%emt 0:01:17]} 6. O-O {[%emt 0:00:00]} Ne7 {[%emt 0:00:07]} 7. c3 {[%emt 0:00:00]} O-O {[%emt 0:00:51]} 8. Nbd2 {[%emt 0:00:00]} Nbc6 {[%emt 0:01:02]} 9. Re1 {[%emt 0:00:00]} Qc7 {[%emt 0:05:44]} 10. Nf1 {[%emt 0:00:00]} Bd7 {[%emt 0:07:14]} 11. Bf4 {[%emt 0:00:00]} e5 {[%emt 0:06:40]} 12. Be3 {[%emt 0:00:00]} b6 {[%emt 0:05:03]} 13. d4 {[%emt 0:00:00]} Kh8 {[%emt 0:06:26]} 14. d5 {[%emt 0:00:00]} Na5 {[%emt 0:02:09]} 15. Qc1 {[%emt 0:00:00]} Ng8 {[%emt 0:00:24]} 16. N3d2 {[%emt 0:00:00]} Rae8 {[%emt 0:05:55]} 17. b4 {[%emt 0:00:00]} Nb7 {[%emt 0:00:29]} 18. f3 {[%emt 0:00:00]} f5 {[%emt 0:03:24]} 19. exf5 {[%emt 0:00:00]} gxf5 {[%emt 0:00:36]} 20. f4 {[%emt 0:00:00]} e4 {[%emt 0:01:03]} 21. g4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:46]} 22. gxf5 {[%emt 0:00:00]} Nxd5 {[%emt 0:00:50]} 23. Nxe4 {[%emt 0:00:00]} Nxe3 {[%emt 0:03:03]} 24. Nxe3 {[%emt 0:00:00]} Bc6 {[%emt 0:00:32]} 25. Ng5 {[%emt 0:00:00]} Nd8 {[%emt 0:02:20]} 26. Nd5 {[%emt 0:00:00]} Qd7 {[%emt 0:06:46]} 27. f6 {[%emt 0:09:38]} Bxd5 {[%emt 0:03:11]} 28. fxg7+ {[%emt 0:00:12]} Qxg7 {[%emt 0:00:05]} 29. Bxd5 {[%emt 0:00:14]} h6 {[%emt 0:00:30]} 30. Re3 {[%emt 0:01:45]} Rxe3 {[%emt 0:01:36]} 31. Qxe3 {[%emt 0:00:02]} hxg5 {[%emt 0:00:14]} 32. Qh3+ {[%emt 0:00:31]} Qh7 {[%emt 0:00:13]} 33. Qxh7+ {[%emt 0:00:01]} Kxh7 {[%emt 0:00:20]} 34. f5 {[%emt 0:00:02]} Nf7 {[%emt 0:00:27]} 35. bxc5 {[%emt 0:00:18]} dxc5 {[%emt 0:00:57]} 36. Re1 {[%emt 0:00:09]} Nd6 {[%emt 0:00:40]} 37. Re7+ {[%emt 0:05:08]} Kh8 {[%emt 0:00:12]} 38. Rxa7 {[%emt 0:00:30]} Nb5 {[%emt 0:01:10]} 39. Rf7 {[%emt 0:00:30]} Rxf7 {[%emt 0:02:19]} 40. Bxf7 {[%emt 0:00:00]} Kg7 {[%emt 0:01:37]} 41. Be6 {[%emt 0:01:00]} Nxc3 {[%emt 0:00:20]} 42. Kf2 {[%emt 0:00:00]} Kf6 {[%emt 0:02:00]} 43. Ke3 {[%emt 0:00:00]} Nb5 {[%emt 0:05:21]} 44. Ke4 {[%emt 0:00:00]} Nd4 {[%emt 0:00:10]} 45. Bd7 {[%emt 0:00:00]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.48"]
[White "Jimenez Cunjama, Francisco Daniel"]
[Black "Ortiz Verdezoto, Anahi"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1674"]
[BlackElo "2047"]
[Annotator "NA"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:10]} e6 {[%emt 0:00:11]} 3. Bf4 {[%emt 0:00:24]} b6 {[%emt 0:01:15]} 4. e3 {[%emt 0:01:46]} Bb7 {[%emt 0:00:28]} 5. Be2 {[%emt 0:00:15]} Be7 {[%emt 0:00:09]} 6. O-O {[%emt 0:00:12]} d6 {[%emt 0:00:18]} 7. c4 {[%emt 0:01:05]} c5 {[%emt 0:01:45]} 8. Nc3 {[%emt 0:01:46]} cxd4 {[%emt 0:01:20]} 9. exd4 {[%emt 0:00:43]} O-O {[%emt 0:00:49]} 10. Qc2 {[%emt 0:03:05]} a6 {[%emt 0:05:32]} 11. Rad1 {[%emt 0:03:12]} Nbd7 {[%emt 0:00:36]} 12. b3 {[%emt 0:02:49]} Rc8 {[%emt 0:00:39]} 13. Qd2 {[%emt 0:04:42]} d5 {[%emt 0:16:18]} 14. Qb2 {[%emt 0:10:18]} Bb4 {[%emt 0:07:13]} 15. Nb1 {[%emt 0:06:26]} Qe7 {[%emt 0:03:54]} 16. a3 {[%emt 0:01:35]} Bd6 {[%emt 0:00:02]} 17. Ne5 {[%emt 0:01:18]} Rfd8 18. Rfe1 {[%emt 0:04:49]} Nf8 {[%emt 0:10:35]} 19. Bg5 {[%emt 0:16:08]} h6 {[%emt 0:00:03]} 20. Bh4 {[%emt 0:00:18]} a5 {[%emt 0:07:57]} 21. cxd5 {[%emt 0:03:13]} Bxd5 {[%emt 0:00:03]} 22. Bc4 {[%emt 0:00:29]} g5 {[%emt 0:00:14]} 23. Bg3 {[%emt 0:02:31]} b5 {[%emt 0:02:21]} 24. Bxb5 {[%emt 0:01:57]} Qb7 {[%emt 0:02:13]} 25. Qe2 {[%emt 0:10:24]} Bxb3 {[%emt 0:06:55]} 26. Rd2 {[%emt 0:06:01]} Qd5 {[%emt 0:00:56]} 27. h4 {[%emt 0:02:24]} N8h7 {[%emt 0:01:16]} 28. f4 {[%emt 0:04:28]} g4 {[%emt 0:07:34]} 29. Nxg4 {[%emt 0:01:15]} Nxg4 30. Qxg4+ {[%emt 0:00:56]} Kh8 {[%emt 0:02:34]} 31. Qe2 {[%emt 0:04:21]} Rg8 {[%emt 0:00:37]} 32. Kh2 {[%emt 0:03:33]} Nf6 {[%emt 0:05:12]} 33. Bd3 {[%emt 0:00:48]} Nh5 {[%emt 0:17:54]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.49"]
[White "Diaz Osorio, Ana Carolina"]
[Black "Zarate Manjarrez, Alfredo"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1627"]
[BlackElo "2026"]
[Annotator "NA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:04:04]} c5 {[%emt 0:02:11]} 2. d5 {[%emt 0:00:12]} d6 {[%emt 0:00:36]} 3. e4 {[%emt 0:01:47]} g6 {[%emt 0:00:38]} 4. Bb5+ {[%emt 0:01:16]} Nd7 {[%emt 0:01:17]} 5. Nc3 {[%emt 0:01:36]} Bg7 {[%emt 0:00:17]} 6. Bd2 {[%emt 0:00:10]} a6 {[%emt 0:00:48]} 7. Be2 {[%emt 0:02:12]} b5 {[%emt 0:01:50]} 8. f4 {[%emt 0:07:52]} Nb6 {[%emt 0:02:32]} 9. a3 {[%emt 0:03:42]} e6 {[%emt 0:04:32]} 10. Nf3 {[%emt 0:06:34]} exd5 {[%emt 0:02:06]} 11. exd5 {[%emt 0:02:17]} Nf6 {[%emt 0:01:08]} 12. O-O {[%emt 0:00:57]} O-O {[%emt 0:00:06]} 13. Rb1 {[%emt 0:07:22]} Re8 {[%emt 0:02:58]} 14. Ng5 {[%emt 0:24:25]} b4 {[%emt 0:18:40]} 15. axb4 {[%emt 0:00:57]} cxb4 {[%emt 0:00:01]} 16. Na2 {[%emt 0:02:47]} a5 {[%emt 0:00:12]} 17. c3 {[%emt 0:03:27]} Bf5 {[%emt 0:00:35]} 18. Rc1 {[%emt 0:00:50]} Nbxd5 {[%emt 0:03:51]} 19. cxb4 {[%emt 0:00:21]} Qb6+ {[%emt 0:00:17]} 20. Kh1 {[%emt 0:00:22]} axb4 {[%emt 0:00:07]} 21. Bc4 {[%emt 0:01:17]} h6 {[%emt 0:02:24]} 22. Qb3 {[%emt 0:07:37]} hxg5 {[%emt 0:10:59]} 23. fxg5 {[%emt 0:12:49]} Ne4 {[%emt 0:00:05]} 24. Bxd5 {[%emt 0:00:12]} Nxd2 {[%emt 0:04:44]} 25. Bxf7+ {[%emt 0:00:08]} Kf8 {[%emt 0:00:37]} 26. Qd5 {[%emt 0:02:49]} Nxf1 {[%emt 0:04:18]} 27. Rxf1 {[%emt 0:00:25]} Ra5 {[%emt 0:01:57]} 28. Qb3 {[%emt 0:01:35]} Re3 {[%emt 0:02:12]} 29. Qc4 {[%emt 0:00:27]} Rc5 {[%emt 0:01:25]} 30. Qf4 {[%emt 0:02:41]} Re4 {[%emt 0:00:22]} 31. Qf3 {[%emt 0:00:05]} Ke7 {[%emt 0:01:44]} 32. Qb3 {[%emt 0:01:21]} Qb5 {[%emt 0:03:48]} 33. Rd1 {[%emt 0:01:27]} Qe2 {[%emt 0:01:14]} 34. Rg1 {[%emt 0:00:10]} Qxb2 {[%emt 0:00:44]} 35. Qa4 {[%emt 0:00:33]} Kxf7 {[%emt 0:00:18]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.14"]
[Round "3.50"]
[White "Fernandez Rivero, Karla July"]
[Black "Zacarias Martinez, Daniel"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2025"]
[BlackElo "1673"]
[Annotator "ChessBase"]
[PlyCount "131"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:02]} d5 {[%emt 0:07:23]} 2. Nf3 {[%emt 0:00:13]} Nf6 {[%emt 0:00:08]} 3. c4 {[%emt 0:00:17]} e6 {[%emt 0:00:09]} 4. g3 {[%emt 0:00:18]} Be7 {[%emt 0:00:09]} 5. Bg2 {[%emt 0:00:17]} O-O {[%emt 0:00:10]} 6. O-O {[%emt 0:00:23]} dxc4 {[%emt 0:00:26]} 7. Qc2 {[%emt 0:00:33]} a6 {[%emt 0:00:16]} 8. Qxc4 {[%emt 0:00:30]} b5 {[%emt 0:00:23]} 9. Qc2 {[%emt 0:00:25]} Bb7 {[%emt 0:00:18]} 10. Bd2 {[%emt 0:00:44]} Be4 {[%emt 0:02:11]} 11. Qc1 {[%emt 0:01:03]} Nd5 {[%emt 0:01:45]} 12. Rd1 {[%emt 0:06:26]} Nd7 {[%emt 0:01:20]} 13. Ba5 {[%emt 0:01:53]} Qc8 {[%emt 0:11:53]} 14. Nbd2 {[%emt 0:06:24]} Bg6 {[%emt 0:02:17]} 15. e4 {[%emt 0:06:36]} N5b6 {[%emt 0:01:59]} 16. Qc6 {[%emt 0:01:44]} Nb8 {[%emt 0:09:45]} 17. Qc2 {[%emt 0:01:12]} N8d7 {[%emt 0:08:26]} 18. Rac1 {[%emt 0:02:39]} Bd8 {[%emt 0:32:21]} 19. Qd3 {[%emt 0:25:18]} Qb7 {[%emt 0:05:01]} 20. b4 {[%emt 0:05:22]} Rc8 {[%emt 0:01:11]} 21. Qe3 {[%emt 0:01:42]} Be7 {[%emt 0:03:33]} 22. Ne1 {[%emt 0:01:21]} Bh5 {[%emt 0:00:51]} 23. f3 {[%emt 0:00:42]} h6 {[%emt 0:00:23]} 24. Nd3 {[%emt 0:07:28]} Bg5 {[%emt 0:04:52]} 25. f4 {[%emt 0:01:02]} Be7 {[%emt 0:01:10]} 26. Rf1 {[%emt 0:01:02]} c6 {[%emt 0:02:08]} 27. h4 {[%emt 0:02:54]} Nf6 {[%emt 0:01:28]} 28. Nc5 {[%emt 0:06:23]} Bxc5 {[%emt 0:01:01]} 29. dxc5 {[%emt 0:00:08]} Ng4 {[%emt 0:00:57]} 30. Qe2 {[%emt 0:01:36]} Nf6 {[%emt 0:00:20]} 31. Qd3 {[%emt 0:02:53]} Nbd7 {[%emt 0:00:28]} 32. Nf3 {[%emt 0:00:48]} Rfe8 {[%emt 0:00:54]} 33. Rcd1 {[%emt 0:01:03]} Qb8 {[%emt 0:00:21]} 34. Rd2 {[%emt 0:01:48]} Bg6 {[%emt 0:00:28]} 35. Nh2 {[%emt 0:04:41]} Nf8 {[%emt 0:00:26]} 36. Qe3 {[%emt 0:03:34]} Bh5 {[%emt 0:00:22]} 37. Re1 {[%emt 0:01:08]} Re7 {[%emt 0:00:36]} 38. Bf3 {[%emt 0:00:51]} Bxf3 {[%emt 0:00:24]} 39. Qxf3 {[%emt 0:00:22]} Rd7 {[%emt 0:00:11]} 40. Red1 {[%emt 0:00:24]} Rxd2 {[%emt 0:00:05]} 41. Rxd2 {[%emt 0:00:04]} Re8 {[%emt 0:01:05]} 42. Rd6 {[%emt 0:00:48]} Qb7 {[%emt 0:00:32]} 43. Ng4 {[%emt 0:00:37]} Nxg4 {[%emt 0:00:29]} 44. Qxg4 {[%emt 0:00:05]} Re7 {[%emt 0:00:08]} 45. e5 {[%emt 0:02:24]} Rd7 {[%emt 0:00:25]} 46. Qf3 {[%emt 0:00:46]} Rxd6 {[%emt 0:00:24]} 47. cxd6 {[%emt 0:00:12]} Nd7 {[%emt 0:00:40]} 48. Kg2 {[%emt 0:01:52]} Qc8 {[%emt 0:00:16]} 49. Qe3 {[%emt 0:00:53]} c5 {[%emt 0:00:30]} 50. bxc5 {[%emt 0:00:35]} Qxc5 {[%emt 0:00:26]} 51. Qxc5 {[%emt 0:00:14]} Nxc5 {[%emt 0:00:23]} 52. Bb6 {[%emt 0:01:19]} Nd7 {[%emt 0:00:17]} 53. Ba7 {[%emt 0:00:26]} Kf8 {[%emt 0:00:17]} 54. Kf3 {[%emt 0:00:11]} Ke8 {[%emt 0:00:08]} 55. Ke4 {[%emt 0:00:30]} Kd8 {[%emt 0:01:16]} 56. g4 {[%emt 0:00:26]} g6 {[%emt 0:00:28]} 57. h5 {[%emt 0:00:36]} Kc8 {[%emt 0:01:08]} 58. hxg6 {[%emt 0:00:33]} fxg6 {[%emt 0:00:08]} 59. f5 {[%emt 0:00:11]} gxf5+ {[%emt 0:00:53]} 60. gxf5 {[%emt 0:00:06]} exf5+ {[%emt 0:00:38]} 61. Kxf5 {[%emt 0:00:07]} Nxe5 {[%emt 0:01:27]} 62. Kxe5 {[%emt 0:00:06]} Kd7 {[%emt 0:00:05]} 63. Be3 {[%emt 0:00:20]} h5 {[%emt 0:00:25]} 64. Kd5 {[%emt 0:00:12]} a5 {[%emt 0:00:42]} 65. Bf4 {[%emt 0:00:17]} b4 {[%emt 0:00:49]} 66. Kc5 {[%emt 0:00:20]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.1"]
[White "Santos Latasa, Jaime"]
[Black "Sanchez Alvarez, Roberto Carlos"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2640"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,67,13,29,0,39,14,29,28,147,138,142,139,127,141,137,135,138,156,150,150,145,129,138,138,162,168,155,145,217,205,227,218,255,270,268,251,266,255,302,245,359,245,333,319,482,477,464,459,485,486,502,488,501,508,467,460]} 1. e4 c5 2. Nc3 d6 3. Nge2 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Be3 e5 7. Nb3 Be7 8. Rg1 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} h5 {To avoid g4} 9. h3 Be6 10. Qf3 {[#] White has an edge.} d5 $146 {[#]} (10... Nbd7 $11 {remains equal.}) ({Predecessor:} 10... Nbd7 11. O-O-O Rc8 12. Kb1 g6 13. Nd5 Nxd5 14. exd5 Bf5 15. Bd3 Bxd3 16. Rxd3 h4 {½-½ (30) Bacrot,E (2658)-Palac,M (2517) Zagreb 2021}) 11. Nxd5 $1 $16 Bxd5 {[#]} 12. O-O-O $1 ({Don't do} 12. exd5 $6 Qxd5 13. Rd1 Qxf3 14. gxf3 g6 $14) 12... Nxe4 {[#] And now ...Nf6 would win.} 13. Bc4 $1 {[%mdl 576] Pin} Nd2 14. Qxd5 Qxd5 15. Bxd5 Nxb3+ 16. axb3 Nc6 17. c3 Rc8 18. Kb1 {White is more active.} h4 19. Rd2 O-O 20. Rgd1 Rfd8 (20... g6 $16 21. Bf3 Rb8) 21. Bb6 $18 Re8 22. Be4 g6 23. Rd7 Rb8 24. b4 {Inhibits a5.} Kg7 25. Bd5 f5 26. f3 Kf6 (26... Kh6 $142 27. Bc7 Ra8 28. Bxc6 bxc6 29. Bxe5 Bf8) 27. Kc2 Kg5 28. Be3+ Kf6 {[#]} (28... f4 {was worth a try.}) 29. Rxb7 $3 {[%mdl 512] White is clearly winning.} Rxb7 30. Bxc6 {A strong pair of Bishops.} Rbb8 31. Bxe8 Rxe8 32. Ra1 Ra8 33. b5 a5 34. Ra4 {White took control after the opening.  Weighted Error Value: White=0.08 (flawless) /Black=0.38} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.2"]
[White "Quesada Perez, Luis Ernesto"]
[Black "Meier, Georg"]
[Result "1/2-1/2"]
[ECO "D58"]
[WhiteElo "2517"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,105,14,12,6,0,5,12,0,4,15,16,-5,43,44,90,54,116,106,159,74,120,79,94,87,112,107,121,86,129,124,127,115,116,97,156,174,165,169,176,170,171,151,165,151,154,151,151,151,151,151,160,161,161,161,225,211,276,108,322,161,210,169,174,0,160,155,329,322,275,151,151,152,152,152,152,152]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Qb3 Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. Rd1 c6 12. Bd3 Nd7 13. O-O Re8 14. Rfe1 Nf8 15. e4 Ne6 16. e5 Be7 17. Bb1 {D58: Queen's Gambit Declined: Tartakower Defence.} g6 18. Ne2 {[#]} Kg7 $146 ({Predecessor:} 18... Bf8 19. g3 Qd7 20. Kh1 c5 21. Nf4 Rac8 22. Nxe6 Rxe6 23. Nh4 cxd4 24. f4 d3 25. Bxd3 {0-1 (34) Sutkus,R-Brglez,F ICCF corr 1992}) 19. Nd2 {The position is equal.} Ba6 20. Bd3 b5 21. Bb1 c5 (21... b4 $11 22. Nf3 c5) 22. dxc5 $14 {[%cal Od2e4]} Bxc5 {[#]} (22... b4 $14 {might be stronger.}) 23. Ne4 $1 $16 Qb6 (23... dxe4 $14 24. Rxd8 Raxd8) (23... Qc7 24. Nf6) 24. Nxc5 ({Don't blunder} 24. Qxd5 $2 Bb7 25. Qb3 Bxe4 26. Bxe4 Bxf2+ 27. Kh1 Nc5 $19) 24... Nxc5 ({Black should play} 24... Qxc5 25. Rxd5 Qe7) 25. Qe3 ({Not} 25. Qxd5 Rad8 26. Qf3 Rxe5 $11) (25. Qg3 $142 $1) 25... Na4 (25... Nd7 $142) 26. Qxb6 ({Don't play} 26. Rxd5 $6 Qxe3 27. fxe3 Nb6 $11) (26. Qd2 $142 $1 {Threatens to win with Nf4.} Bb7 27. Nd4) 26... Nxb6 27. f4 Bc8 28. Nd4 Bd7 29. Rc1 {White is much more active.} Rac8 (29... Rec8 $142) 30. b3 b4 31. Kf2 a5 32. Bd3 Rxc1 (32... a4 $142) 33. Rxc1 Rc8 34. Rxc8 Nxc8 $18 {[%mdl 4096] Endgame KBN-KBN} 35. Kf3 Na7 36. g4 f6 37. e6 Be8 38. f5 {Hoping for fxg6.} g5 39. Ba6 $1 Kf8 40. Bb7 Ke7 41. Bxd5 Kd6 42. Be4 h5 {[#]} (42... Nb5 $142 43. Ne2 h5) 43. h3 $1 h4 44. Ke3 $2 (44. Nc2 $18 {is the precise move to win.}) 44... Kc5 $2 (44... Nb5 $16) 45. Ne2 (45. Bd3 $142) 45... Nb5 (45... Kd6 {was called for.} 46. Bg2 Nc6) 46. Bd3 {Strongly threatening Bxb5.} Nc7 47. Be4 {And now Nc1 would win.} Nb5 $1 48. Bg2 Na7 $2 {[#]} (48... Kd6 $16 49. Kd3 Kc5) 49. Nc1 $1 Bb5 50. Nd3+ ({White should try} 50. Bf3 $18) 50... Bxd3 $16 {White is clearly better.} 51. Kxd3 {Intending e7 and mate.} Nc8 52. Bb7 Ne7 53. Ke4 {Weighted Error Value: White=0.26 (precise) /Black=0.22 (precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.3"]
[White "Jimenez Garcia, Emmanuel"]
[Black "Vazquez, Guillermo"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2403"]
[BlackElo "2545"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,78,-16,-21,0,-10,0,-17,-20,-25,-22,-20,-11,-17,-10,-35,-31,-35,-22,-49,-25,-33,-20,-60,0,0,0,-14,-25,-25,-18,-39,-30,-37,-20,-70,0,0,0,-85,-80,-98,-73,-65,-68,-46,0,-45,-24,-46,0,0,0,0,105,122,163,39,16,-41,-47,-37,-40,-595,-556,-29984,-29985,-29985,-29986,-29984,-29985]} 1. Nf3 d5 2. d3 Nf6 3. g3 Nc6 4. Bg2 e5 5. Nc3 Be7 6. O-O O-O {A07: Réti Opening: New York and Capablanca Systems.} (6... d4 $5 {[%cal Rd4c3]} 7. Ne4 Nxe4 8. dxe4 Bg4 $11) 7. e4 dxe4 8. Nxe4 Nxe4 {The position is equal.} 9. dxe4 Bc5 10. c3 $1 a5 {Prevents b4.} 11. Qe2 Qe7 {[#]} 12. Bg5 $146 ({Predecessor:} 12. Be3 Be6 13. Rfd1 f6 14. Nd2 Rfd8 15. Bf1 a4 16. a3 Na5 17. Bxc5 Qxc5 18. Qb5 Qxb5 19. Bxb5 {0-1 (26) Juhasz,A (2380)-Kislov,O (2249) Chess.com INT 2021}) 12... f6 13. Be3 Be6 {Inhibits Qc4.} 14. Nh4 g6 {To avoid Nf5} 15. f4 Bf7 16. f5 a4 (16... g5 $15 17. Nf3 Rfd8) 17. fxg6 $1 $11 hxg6 18. Rf2 {[%cal Oh4g6] Black must now prevent Nxg6!} Bxe3 19. Qxe3 {Hoping for Qh6.} Kg7 {Prevents Qh6+.} 20. Bf1 Nb8 21. Bh3 Nd7 22. Bf5 Rh8 ({Much worse is} 22... Qc5 23. Qf3 gxf5 24. Nxf5+ Kh7 25. Rd1 $11 (25. Qg4 Bg6 $11)) (22... Nc5 $15) 23. Bxd7 Qxd7 24. a3 (24. Qf3 $11 {remains equal.} Ra6 25. Rd1) 24... Qg4 $17 {aiming for ...Rxh4.} 25. Nf3 Rad8 26. Qc5 Rd7 {Black is more active.} 27. Qb5 c5 (27... b6 $15 {might be stronger.}) 28. Qxa4 (28. Re1 $11) 28... Rd3 29. Raf1 {[#]} Be6 (29... Bd5 $1 $15 30. Nd2 Rd8) 30. Qb5 Qxe4 31. Qxc5 {Strongly threatening Qe7+.} Bf7 (31... Re8 $11) 32. Qe7 $16 Qd5 {[#]} (32... Rh5 $16 {was necessary.}) 33. Nh4 ({White must play} 33. Ne1 $1 $18 Qd6 34. Qxf6+ Qxf6 35. Rxf6) 33... f5 $14 34. Rxf5 gxf5 $15 {Dancing on a razor blade.} 35. Nxf5+ Kg6 {...Rd1 is the strong threat.} (35... Kh7 {gets mated.} 36. Qh4+ Kg8 37. Ne7+ Kg7 38. Qf6+ Kh7 39. Nxd5 Bg6 40. Ne7) 36. h4 $2 {[%mdl 8192] This move loses the game for White.} ({White should try} 36. Qb4 $15 Qc4 37. Qxb7 (37. Qe7 b6 $17)) 36... Rh5 $19 37. g4 {[#]} Rxf5 {Black mates.} 38. gxf5+ Kh7 39. Qg5 Rh3 {Weighted Error Value: White=0.60/Black=0.20 (precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.4"]
[White "Veiga, Jose Francisco R P N"]
[Black "Obregon Rivero, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2366"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,49,0,0,-20,-14,-17,-15,-9,-11,-8,0,-25,-31,-30,-28,-30,-34,-22,-24,-16,-10,-15,0,0,0,0,0,0,0,-125]} 1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Qd6 9. O-O Be7 10. Bg5 O-O 11. Qd2 b6 12. Bf4 {B22: Sicilian: 2 c3.} Qd8 13. Rac1 Bb7 14. Rfd1 Nb4 15. Ne5 Nbd5 16. Nxd5 Nxd5 {[#]} 17. Nc6 $146 ({Predecessor:} 17. Bg3 Bb4 18. Qd3 Qe7 19. Bf3 Rac8 20. h4 Rc7 21. Rxc7 Qxc7 22. Ng6 Bd6 23. Bxd6 Qxd6 24. Nxf8 Qxf8 {1-0 (63) Saint Denis,P (1830)-Bounzou,N (1730) Le Perreux 1994}) 17... Bxc6 18. Rxc6 Qd7 19. Rc2 Rac8 20. Be5 Bd6 {The position is equal.} 21. Bc4 Nb4 22. Bxg7 Kxg7 (22... Nxc2 {leads to mate.} 23. Bf6) 23. Qg5+ Kh8 24. Qf6+ Kg8 {[#] Threatens to win with ...Be7.} 25. Rc3 {Weighted Error Value: White=0.04 (flawless) /Black=0.02 (flawless)} (25. Qg5+ $11 {was the only way to keep the balance.} Kh8 26. Qf6+ Kg8 27. Qg5+ Kh8) 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.5"]
[White "Mareco, Sandro"]
[Black "Santos, Jose Guilherme B Lim"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2643"]
[BlackElo "2363"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,59,0,0,0,0,1,18,11,0,0,0,1,0,59,61,56,58,61,78,61,61,63,63,161,147,150,156,159,157,191,89,167,163,173,156,269,264,455,447,539,539]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 c6 {E05: Open Catalan: 5 Nf3 Be7.} 12. a4 Nbd7 13. Nc3 Bg6 {The position is equal.} 14. Nh4 Bh5 15. h3 Nd5 16. Nf3 Bg6 ({Black should try} 16... Rc8 $11) 17. axb5 $14 axb5 18. Nxd5 cxd5 19. Rxa8 Qxa8 20. Qc7 Rd8 21. Rc1 {[#]} b4 $146 (21... Kf8 $14) ({Predecessor:} 21... h6 22. Ne5 Nxe5 23. Qxe7 Nc4 24. Bc3 Rb8 25. b3 Qa3 26. Qxa3 Nxa3 27. Bb4 Nc2 {1-0 (39) Ding,L (2799)-Nakamura,H (2736) Chess.com INT 2021}) 22. Ne5 $18 Nxe5 23. Qxe7 Nd7 24. Bxb4 {White is more active.} h6 25. Bd6 (25. Rc7 $18 {and White stays clearly on top.} Nf6 26. Ra7) 25... Nb6 {[#]} (25... Nf6 $16) 26. Bf4 $1 {Qc7 is the strong threat. A strong pair of Bishops.} Rd7 {Prevents Qc7.} 27. Qc5 Rb7 (27... Na4 $16 {keeps fighting.} 28. Qa3 Ra7) 28. Qc6 {And now Rc3 would win.} Qa7 $2 (28... Kh7 {was called for.} 29. Rc3 Na4) 29. Rc3 {aiming for Ra3.} Rd7 30. Rb3 {Weighted Error Value: White=0.05 (flawless) /Black=0.38} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.6"]
[White "Alonso Rosell, Alvar"]
[Black "Galaviz Medina, Sion Radamantys"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2570"]
[BlackElo "2374"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,53,16,20,25,14,16,30,29,39,42,65,63,63,54,153,109,110,100,96,95,144,132,149,153,297,136,214,220,250,241,306,310,332,313,319,224,222,229,529,520,1251,0]} 1. d4 d5 {[%cal Bd7d5,Bd5c4][%mdl 32]} 2. c4 e6 3. Nf3 {[%cal Bg1f3,Bf3e5,Be5c4,Bc4e3,Be3d5][%mdl 32]} Nf6 4. g3 dxc4 5. Bg2 a6 6. Ne5 c5 7. Be3 Nd5 8. O-O {E04: Open Catalan: 5 Nf3.} Nd7 9. Nxc4 Nxe3 10. Nxe3 {[#] White has an edge.} Be7 $146 ({Predecessor:} 10... cxd4 11. Qxd4 Qf6 12. Qxf6 Nxf6 13. Nc4 Bc5 14. Nc3 Rb8 15. Na4 Ba7 16. Nab6 Ke7 {0-1 (103) Kyas,M (2129)-Wegener,O (2429) Germany 2010}) 11. d5 exd5 12. Nxd5 O-O 13. Nbc3 {[%cal Bb1c3,Bc3e4,Be4g5][%mdl 32]} Ne5 ({Black should try} 13... Re8 $14) 14. Qa4 ({Better is} 14. Qc1) 14... Bd7 $16 15. Qf4 Ng6 16. Qe3 {White is much more active. Black has bad knights.} Bd6 (16... Rb8 $142) 17. Rfd1 Re8 18. Ne4 {[%cal Od5f6]} Re6 {Prevents Ndf6+.} (18... f5 $2 {[#]} 19. Qb3 $1 c4 20. Qxc4) (18... Bc6 $16 {keeps fighting.} 19. Qa3 Re6 20. Nxd6 Rxd6) 19. Qb3 (19. Qd2 $18 {has better winning chances.}) 19... Bb5 (19... Bc6 $16 20. Rac1 Rb8) 20. Ndc3 $18 {[#] Black must now prevent Bh3. Pair of Knights!} c4 21. Qc2 {Strongly threatening Bh3.} Qf8 22. Bh3 (22. Rxd6 $6 Rxd6 23. Nxd6 Qxd6 24. Bxb7 Rb8 $18) 22... f5 23. Ng5 ({Not} 23. Nxd6 Rxd6 24. Rxd6 (24. Qxf5 Rf6 $18) (24. Bxf5 Bc6 $18) 24... Qxd6 $18) 23... Re5 24. f4 Bc5+ 25. Kf1 Ree8 (25... h6 26. Nxb5 (26. fxe5 hxg5 27. Nxb5 axb5 $18) 26... axb5) 26. Bxf5 Ba7 (26... Nxf4 $142 27. gxf4 Kh8 28. Nxb5 axb5) 27. Ke1 $2 {[%mdl 32768] Weighted Error Value: White=0.18 (very precise) /Black=0.50. Sensor Board Error (Ke4/e5)?} (27. Bxg6 $18 Qc5 28. Bxh7+ Kf8 29. Kg2) 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.7"]
[White "Cuenca Jimenez, Jose Fernando"]
[Black "Gemy, Jose Daniel"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2552"]
[BlackElo "2381"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,53,25,53,44,44,39,64,41,53,44,79,74,86,79,81,69,76,72,146,144,348,358,350,343,320,334,366,351,390,386,506,400,1972,1847,2172,2131,29985,29986,29984,2433,3296,2491]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 e5 7. d5 a5 8. g4 {E71: King's Indian: 4 e4 d6 5 h3.} Na6 9. Nge2 Nd7 10. h4 {[%cal Bh3h4,Bh4h5,Bh5h6][%mdl 32] White is more active. White is slightly better.} Ndc5 11. Ng3 f5 12. gxf5 gxf5 13. exf5 Bxf5 14. Nxf5 Rxf5 {[#]} 15. h5 $146 ({Predecessor:} 15. Qg4 Qf8 16. Rg1 Nb4 17. O-O-O Kh8 18. Kb1 a4 19. a3 Nba6 20. Bh3 Rf7 21. h5 {½-½ (59) Potapova,M (2270)-Morales Flores,M (1974) Lichess.org INT 2020}) 15... Qf6 (15... Rf8 $142) 16. Qg4 $16 {[#] aiming for h6.} Kf7 $2 {Black cannot hold the game after this.} (16... Kh8 $16 {was worth a try.}) 17. h6 $18 Bh8 18. Bh3 Rf4 19. Bxf4 {The board is on fire.} exf4 20. O-O-O ({But not} 20. Rg1 Nd3+ 21. Kf1 Nac5 $18) 20... Rg8 21. Qh5+ Kf8 22. Qf5 Rg5 (22... Qxf5 $142 23. Bxf5 Rg2 24. Bxh7 Nb4) 23. Qc8+ Kf7 24. Rhe1 {[%csl Ge1][%cal Rc8e8] [#]} Re5 {Inhibits Qe8+.} 25. Rxe5 Qxe5 26. Be6+ (26. Rg1 $142 Ke7 27. Qg8 Bf6 28. Qxh7+ Kd8 29. Rg8+ Qe8 30. Rxe8+ Kxe8 31. Be6) 26... Ke7 27. Qg8 {Weighted Error Value: White=0.11 (very precise) /Black=0.81} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.8"]
[White "Almeida Quintana, Omar"]
[Black "Medina Diaz, Rafael Alejandro"]
[Result "1/2-1/2"]
[ECO "D18"]
[WhiteElo "2535"]
[BlackElo "2287"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,77,-6,0,0,-16,16,-27,-23,-11,0,21,38,26,46,22,120,66,75,0,0,0,0,0,22,36,173,173,187,164,152,106,88,92,160,-31,-26,-31,-31,-43,-39,-74,-73,-73,-73,-74,-74,-74,-79,-80,-80,-80,-80,-80,-73,-74,-72,-72]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Nbd7 9. Nh4 O-O 10. Nxf5 exf5 11. Qc2 g6 {11...Nb6 is not played anymore.} 12. f3 Rc8 {D18: Slav Defence: 5 a4 Bf5 6 e3.} 13. Rd1 Qe7 {[#]} 14. Kh1 $146 (14. e4 {might be stronger.}) ({Predecessor:} 14. e4 fxe4 15. Nxe4 Kg7 16. Bg5 h6 17. Bh4 Qd8 18. a5 Be7 19. Nc5 Nxc5 20. dxc5 Bxc5+ {½-½ (95) Sargissian,G (2677)-Vitiugov,N (2709) Plovdiv 2010}) 14... Nb6 $11 {Black has an edge.} 15. Bb3 c5 16. a5 cxd4 17. axb6 dxc3 18. bxa7 Bc5 (18... Ra8 $11 {remains equal.}) 19. e4 $1 $16 (19. bxc3 Ra8 $14) 19... fxe4 20. Bh6 (20. bxc3 e3 $11) (20. Bg5 $1 $16 e3 21. Bh4 (21. Qxc3 e2 $14) (21. bxc3 Ra8 $11)) 20... Rfe8 $11 21. Ba4 {This bishop pair is nice.} (21. Qxc3 Bxa7 $1 22. Qe1 Bb8 $15) 21... Red8 22. Rxd8+ $1 Qxd8 23. Bb3 {And now Bg5 would win.} ({Avoid the trap} 23. fxe4 $2 Ng4 24. Bd7 Nf2+ 25. Qxf2 Bxf2 $19) ({Of course not} 23. bxc3 Bxa7 24. Qe2 Qc7 25. fxe4 Qxc3 $17) 23... exf3 (23... Ra8 $14) 24. gxf3 $18 {Threatens to win with Rd1.} Ra8 25. Qxc3 Qd4 (25... Rxa7 $2 26. Rd1 Qe7 27. Re1 Qxe1+ 28. Qxe1 $18) 26. Rd1 {Chess con chili.} (26. Qxd4 $142 Bxd4 27. Ra4 (27. Bg5 h6 $14) 27... Bxa7 {[#]} 28. Be3 $1 {[%mdl 512]}) 26... Qxc3 $16 27. bxc3 b6 (27... Bxa7 $2 28. Ra1 $18) (27... Rc8 $142) 28. Ba4 $2 {White is more active.} (28. h4 $16) 28... Be7 $15 29. Rb1 Bd8 30. Rd1 {Hoping for Bc6.} Bc7 31. Bg5 Kg7 {Black is better.} 32. Bxf6+ Kxf6 $17 {[%mdl 4096] Endgame KRB-KRB} 33. Rd7 Rxa7 34. Bb3 Bb8 35. Rxa7 Bxa7 36. Kg2 Bb8 37. Bd5 h5 38. c4 Kg7 39. h3 {Weighted Error Value: White=0.24 (precise) /Black=0.25 (precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.9"]
[White "Leon Valdes, Jony Wilson"]
[Black "Cordova, Emilio"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2392"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,41,0,8,0,0,0,0,-58,-38,-46,-57,-94,-77,-102,-18,-172,-149,-154,-151,-187,-143,-172,-190,-180,-191,-622,-671,-652,-606,-1199,-1193,-1191,-1184,-29994]} 1. d4 e6 2. c4 b6 3. e4 Bb7 4. f3 f5 5. exf5 Nh6 6. fxe6 {A40: Unusual replies to 1 d4.} Nf5 7. exd7+ Nxd7 {White must now prevent ...Qh4+.} 8. Ne2 (8. Nc3 $1 $11) 8... Bd6 $1 $15 {[%mdl 1024] Black has compensation.} ({But not} 8... Qe7 9. Nbc3 $14) 9. Nbc3 O-O 10. Qd3 Qh4+ $1 11. Kd1 {[#]} Rae8 $146 {Inhibits Ne4.} (11... Rad8 $17 {[%cal Od6e5] And now ...Be5! would win.} 12. Rb1 Be5) ({Predecessor:} 11... Bc5 12. Kc2 Nxd4+ 13. Nxd4 Bxd4 14. Be3 Bxe3 15. Qxd7 Rf7 16. Qe6 Qf2+ 17. Kb3 a5 {0-1 (24) Roselli Mailhe,B (2433)-Cordova,E (2621) Montevideo 2018}) 12. b3 $2 {White does not recover from this.} (12. Bd2 $1 $11 {and White has nothing to worry.}) 12... c5 $1 $36 {[%cal Rc5d4][%mdl 2048] Black is really pushing. Really sharp!} 13. d5 Ne5 $1 {Black is much more active. White has bad knights.} 14. Qe4 Qf6 15. Bd2 {[#]} Bc8 $1 {[%cal Oe5g4] aiming for ...Ng4!} 16. Rc1 {[#]} Ng4 $1 {[%mdl 64] Deflection, Decoy} 17. Qxg4 (17. fxg4 Rxe4 18. Nxe4) 17... Ne3+ {[%mdl 64] Discovered Attack. Black is clearly winning.} 18. Bxe3 Bxg4 19. Ne4 {[#]} Rxe4 {[%mdl 512]} 20. fxe4 Qb2 {[%cal Of8f1] ( -> ...Rxf1+!)} 21. Ke1 {Weighted Error Value: White=0.87/Black=0.08 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.10"]
[White "Dominguez Aguilar, Guillermo"]
[Black "Henderson de La Fuente, Lance"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2321"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,101,20,26,28,25,21,35,39,34,14,18,22,26,0,18,18,20,23,26,24,24,22,21,21,24,25,39,34,53,62,64,58,70,72,68,76,73,58,67,91,135,134,141,142,131,122,142,135,146,144,141,73,73,76,122,117,125,63,70,71,72,0,65,66,71,67,75,68,75,13,385,375,638,633,637,637,701,677,677,675,659,632,641,617,914,904,1136,1095,1304,1218,1154,936,1454,1118]} 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 a6 5. e3 d6 6. Nge2 {A25: English Opening vs King's Indian with ...Nc6 but without early d3.} Ba7 7. a3 Nf6 8. b4 {White is slightly better.} O-O 9. Bb2 Ne7 10. d4 c6 11. O-O Be6 12. Qd3 {[#]} Qd7 $146 ({Predecessor:} 12... b5 13. cxb5 axb5 14. Rfd1 Bc4 15. Qc2 Qc8 16. dxe5 dxe5 17. a4 bxa4 18. Rxa4 Qe6 {½-½ (44) Von Herman,U (2391)-Maksimenko,A (2543) Germany 2014}) 13. Rfd1 Rad8 14. dxe5 dxe5 15. Qc2 Qc7 16. c5 Bb8 17. e4 Rxd1+ 18. Nxd1 b5 19. cxb6 Qxb6 20. Nec3 Nd7 21. Na4 Qc7 22. Ne3 Rc8 23. Rc1 a5 $1 24. Bc3 Ba7 ({Black should play} 24... axb4 25. Bxb4 c5 26. Nxc5 Nxc5 27. Bxc5 (27. Qxc5 Qb7 $14) 27... Ba7 28. Bxa7 (28. Bxe7 Qb7 $11) 28... Qxa7) 25. bxa5 $16 Bxe3 26. fxe3 Qa7 27. Kf2 c5 28. Rb1 $1 Rc6 {To avoid Nb6} 29. Bf1 c4 30. Be2 (30. Qb2 $142) 30... Nc8 31. Bb4 {White is more active. A strong pair of Bishops.} Nd6 (31... Nf6 $142) 32. Nc3 $1 {Bxd6 is the strong threat.} Nc5 33. Rd1 (33. Bxc5 $16 Rxc5 34. Qa4 (34. Rb6 Ne8 $14)) 33... Ndb7 $1 $14 34. Nd5 Nd6 35. Nc3 {[%cal Od1d6] Threatens to win with Rxd6!} Ndb7 36. Kg2 h6 $1 37. Nd5 $1 Nd6 38. Bf3 $36 {[%mdl 2048] White is pushing.} Kh8 39. Qc3 ({Better is} 39. g4 $16) 39... Ncxe4 $2 {[%mdl 8192] Loses the game.} (39... Ndxe4 $11 {and Black is okay.} 40. Qxc4 (40. Qxe5 Ng5 $16) 40... Ng5) 40. Qxe5 $18 {aiming for Nc3.} Bxd5 (40... Ng5 41. Bxd6 Nxf3 42. Kxf3 Qxa5) 41. Rxd5 {White is clearly winning.} Qxe3 {[#] ( -> ...Qf2+)} 42. Qd4 $1 (42. Rxd6 Qf2+ 43. Kh3 {[#]} Qxf3 $1 44. Qxe4 Qxe4 $19) 42... Qxd4 43. Rxd4 {[%cal Bd5d4,Bd4e4,Be4e7][%mdl 32]} c3 44. Bxe4 Nxe4 45. Rxe4 {[%mdl 4096] Endgame KRB-KR} c2 46. Bd2 c1=Q 47. Bxc1 Rxc1 48. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} Rc8 {To avoid Re8+} 49. a7 {Black must now prevent Rb4.} Ra8 50. Re7 f5 51. Kf3 {Weighted Error Value: White=0.09 (flawless) /Black=0.27 (precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.11"]
[White "Sanchez Enriquez, Oscar Gerardo"]
[Black "Cardoso Cardoso, Jose Gabriel"]
[Result "1/2-1/2"]
[ECO "E67"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,108,16,16,28,-3,27,42,39,0,0,0,0,-19,-16,-141,-105,-106,-59,-61,-8,-8,-8,-54,-29,-16,0,0,73,72,69,61,63,68,66,65,137,137,120,97,98,51,86,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 Nf6 3. e3 d6 4. d4 Nbd7 5. Nf3 g6 6. g3 Bg7 7. Bg2 O-O 8. O-O Re8 9. b3 exd4 10. exd4 d5 {[#] E67: King's Indian: Fianchetto: 6...Nbd7.} 11. a4 $146 (11. Bf4 $5 {[%cal Rc3b5]}) ({Predecessor:} 11. Bf4 dxc4 12. bxc4 Nb6 13. Qb3 c6 14. c5 Be6 15. Qb2 Nbd5 16. Nxd5 Nxd5 17. Bd6 b6 18. Ne5 {0-1 (82) Rohit,K (2399)-Murzin,V (2336) Stockholm 2019}) 11... dxc4 12. bxc4 c5 {White is slightly better.} 13. Bf4 {aiming for Nb5.} cxd4 $1 14. Nb5 (14. Qxd4 $2 Ne4 $1 {[%mdl 512]} 15. Qxe4 Rxe4 16. Nxe4 Bxa1 17. Rxa1 f6 $19) 14... Ne4 15. Nfxd4 {Hoping for Nc7.} (15. Re1 $5 {[%cal Rb5c7]} Ndc5 16. Nc7 $11) 15... Ndc5 16. Nc7 {[#]} Nc3 $1 {[%mdl 512]} 17. Qd2 {[#]} Bxd4 $1 18. Rae1 $1 $15 {[#]} (18. Nxe8 Nb3 19. Qe1 Nxa1 $17) 18... Rxe1 ({Better is} 18... N3e4 $1 $15 19. Bxe4 Nxe4 $1) 19. Rxe1 $11 {[%cal Of4g5]} Bf5 {Threatens to win with ...Nb3.} (19... Nb3 20. Qc2 Nc5 21. Qd2 (21. Re8+ $2 Qxe8 22. Nxe8 Bf5 $19)) 20. Nxa8 {[%cal Of4g5] Strongly threatening Bg5!} (20. Re8+ $2 Qxe8 21. Nxe8 Rxe8 $19) 20... Nd3 {Pair of Knights!} 21. Be3 Bf6 22. Rf1 Ne4 ({Don't do} 22... Qxa8 23. g4 $16) (22... h5 $11 {remains equal.} 23. Bxb7 Ne4 24. Bxe4 Bxe4) 23. Bxe4 $16 Bxe4 {[#]} 24. f3 $1 Bf5 {[#]} 25. Nc7 $1 Qxc7 26. g4 Ne5 27. gxf5 Nxc4 28. Qc2 a6 29. a5 (29. Bh6 $16) 29... Qe5 {[#]} 30. Qxc4 (30. Bh6 $1 $16 Qd4+ 31. Kh1) 30... Qxe3+ {[%mdl 4096] Endgame KQR-KQB. The position is equal.} 31. Kh1 Kg7 32. Qe4 Qd2 33. fxg6 hxg6 34. f4 {[%cal Bf3f4,Bf4f5][%mdl 32]} Qxa5 35. f5 Qe5 36. Qxb7 g5 37. Qf3 Qd4 38. Rd1 Qc4 39. Qd5 Qb4 40. Qd3 a5 41. Rb1 Qh4 42. Rb7 Qe1+ 43. Kg2 a4 44. Qc4 {[%csl LRa4,LRf7]} Qd2+ 45. Kf1 Qd1+ 46. Kg2 {Really sharp!} Qd2+ 47. Kf1 Qd1+ 48. Kg2 Qh5 49. Ra7 g4 {Inhibits h3. And now ...Qh3+ would win.} ({Much less strong is} 49... Be5 50. h3 $16) 50. Rxa4 {Active counter play!} Qh3+ 51. Kg1 Qe3+ 52. Kg2 Qf3+ 53. Kg1 Qe3+ 54. Kg2 Qf3+ {Weighted Error Value: White=0.11 (very precise) /Black=0.11 (very precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.12"]
[White "Diaz Perez, Michel Alejandro"]
[Black "Perez Garcia, Rodney Oscar"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2459"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,108,15,23,0,0,0,0,0,35,18,23,13,34,17,6,12,10,20,20,7,0,0,6,10,15,15,15,10,10,10,12,12,15,11,14,0,0,0,0,0,53,45,36,39,48,50,88,89,104,85,94,16,23,18,20,10,51,54,54,47,40,0,0,0,0,0,4,0,0,0,19,14,14,15,25,0,22,22,37,37,37,37,37,37,37,37,37,8,11,0,0,0,0,0,0,0,0]} 1. c4 d6 2. d4 e5 3. Nc3 exd4 4. Qxd4 Nc6 5. Qd2 Be6 6. b3 Nf6 7. e4 a5 8. Nf3 {A21: English Opening: 1...e5 2 Nc3.} a4 9. Rb1 axb3 10. axb3 {[#]} Be7 $146 ({Predecessor:} 10... g6 11. Be2 Bg7 12. O-O O-O 13. Bb2 Re8 14. Ra1 Rxa1 15. Bxa1 Bg4 16. h3 Bxf3 17. Bxf3 {0-1 (46) Checa,N (2506)-Gareyev,T (2584) Philadelphia 2019}) 11. Bd3 O-O 12. O-O Ng4 13. Bb2 Nge5 14. Be2 Nxf3+ 15. Bxf3 Bg5 16. Qd1 Bf6 17. Nb5 Bxb2 18. Rxb2 h6 19. Rd2 Qe7 20. g3 Ra5 21. Bg2 Rfa8 22. Qc1 Ra2 23. Qc3 R8a6 24. h3 Rxd2 25. Qxd2 Na7 26. Nc3 c6 (26... Qg5 $11 27. Qxg5 hxg5) 27. f4 $14 f6 {Prevents e5.} 28. Rd1 Nc8 29. Ne2 c5 30. Nc3 Ra3 31. Qb2 Ra6 32. Nb5 {White is more active.} (32. Rd3 $16) 32... Na7 $11 33. Nxa7 Rxa7 34. e5 Ra6 (34... dxe5 $11 {was preferrable.} 35. fxe5 Bf7) 35. exf6 $14 Qxf6 36. Qxf6 gxf6 37. Bxb7 {[%mdl 4096] Endgame KRB-KRB} Rb6 {[%cal Ba6b6,Bb6b3,Bb3c3][%mdl 32]} 38. Bd5 Bxd5 39. Rxd5 {Black should prevent Rd3.} Rxb3 $11 {KR-KR} 40. Kg2 Rc3 41. Rxd6 Kg7 42. h4 Kg6 43. Rd5 Rxc4 44. f5+ Kh5 45. Kh3 Rc3 46. Rd6 c4 47. Rxf6 Rd3 {[#]} 48. Rd6 $1 {Rxd3 would kill now.} Re3 (48... Rf3 49. Rd1 (49. Rc6 c3 $14) 49... Re3 {[#]} 50. Re1 $3 $18 {[%mdl 512]}) 49. Rc6 c3 50. Rc4 c2 {The position is equal.} 51. Kg2 c1=Q 52. Rxc1 Rxg3+ 53. Kf2 Ra3 54. Rc4 Rf3+ 55. Kxf3 {Weighted Error Value: White=0.08 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.13"]
[White "Sandoval Mercado, Carlos"]
[Black "Ibarra Chami, Luis Fernando"]
[Result "1-0"]
[ECO "D76"]
[WhiteElo "2289"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,112,18,0,25,26,35,35,34,44,32,40,32,19,20,19,25,0,7,0,0,9,7,0,55,53,89,93,100,100,117,119,267,293,289,279,373,371,382,376,377,371,395,407,519,510,505,442,498,497,492,460,491,482,956,952,934,934,817,814,794,800,800,737,1222,1195,1594,1585,1393,1196,1558,1109,2950,5799,4133,2546,1494,1297,29963,29965,5708,4622,29958,11180,29979,29980,29970,29974,29983,29984,29985,29986,29994,29989,29988]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. Nc3 Nb6 8. O-O Nc6 {[%cal Bb8c6,Bc6a5,Ba5c4][%mdl 32]} 9. d5 Na5 10. e4 {10.Qc2 is more fashionable.} c6 11. Bf4 cxd5 {D76: Fianchetto Grünfeld: Main Line with 7...Nb6.} (11... Bxc3 {keeps more tension.} 12. bxc3 cxd5 13. exd5 Qxd5 14. Nd4 Qd7) 12. Nxd5 Nxd5 13. exd5 Nc4 {White is slightly better.} 14. Rc1 Nb6 15. d6 exd6 16. Bxd6 Re8 17. b3 $36 {[%mdl 2048] White is more active.} Be6 {[#]} 18. Be5 $146 {[%cal Bd6e5,Be5b2,Bb2a3][%mdl 32]} ({Predecessor:} 18. Bc5 Bd5 19. Qd3 Bc6 20. Rfd1 Qxd3 21. Rxd3 Nd7 22. Bd4 Nf6 23. Bb2 Rad8 24. Ne5 Bxg2 25. Kxg2 Rxd3 26. Nxd3 {0-1 (54) Pigusov,E (2555)-Nepomniachtchi,I (2767) Moscow 2019}) 18... Bh6 19. Rc3 Qxd1 20. Rxd1 Nd5 21. Rc4 f6 ({Black should play} 21... Bf8 $11) 22. Bb2 $14 Bf7 {[#]} 23. Ne5 $1 fxe5 (23... Rxe5 24. Bxe5) 24. Bxd5 Re7 {[#]} 25. Bxf7+ $1 Kxf7 {[#] A mistake that costs the game.} (25... Rxf7 $16 {keeps fighting.} 26. Bxe5 Re8) 26. Ba3 $1 $18 Re6 27. Rc7+ Kf6 28. Rxh7 Ra6 29. Rxh6 Rxa3 {[%mdl 4096] Endgame KRR-KRR} 30. Rd6+ Kf5 31. Rhxg6 {White threatens f3 and mate.} e4 32. h4 {[%csl Gh4][%cal Rg6g5,Bh2h4,Bh4h5,Bh5h6][%mdl 32]} Ke5 33. h5 Rxa2 34. h6 Rh8 35. Rge6+ Kf5 36. Re7 e3 (36... Rb2 $142 37. Rxb7 e3 38. fxe3 Rg8 39. Rf7+ (39. Rxa7 Rxg3+ 40. Kh1 Rh3+ 41. Kg1 Rg3+ 42. Kh1 Rh3+ 43. Kg1 Rg3+ $11) 39... Ke5) 37. Rxe3 {aiming for Rde6.} Ra6 38. Ree6 Rxd6 39. Rxd6 {KR-KR} Ke5 40. Rd7 Rxh6 41. Rxb7 a6 42. Kg2 Rf6 43. Rb4 Rc6 44. Ra4 {Black must now prevent Kh3.} Rb6 45. Kh3 Rh6+ 46. Kg4 Rg6+ 47. Kh5 Rb6 48. f4+ {[%cal Bf2f4,Bf4f5,Bf5f6][%mdl 32]} Kf5 49. g4+ {[%cal Bg3g4,Bg4g5][%mdl 32]} Kf6 50. f5 Kf7 51. Ra5 {White wants to mate with g5.} Kg7 52. g5 {White mates.} Kf7 53. Rc5 Rxb3 54. Rc7+ Kf8 55. f6 Rb8 56. Kg6 Ke8 {Weighted Error Value: White=0.02 (flawless) /Black=0.30} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.14"]
[White "Cori, Jorge"]
[Black "Rosales Campos, Paul Ivan"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2650"]
[BlackElo "2039"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,6,14,18,18,17,4,1,14,19,18,22,17,27,24,12,24,12,42,27,63,42,48,27,109,56,162,85,99,114,125,125,117,112,134,45,108,113,110,112,133,136,255,243,265,131,606,583,582,572,536,312,884,902,900,887,847,813,648,434,419,396,826,846,794,779]} 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 Bb4 5. Qc2 d6 6. Ne2 {A28: English Opening: Four Knights Variation.} a5 7. a3 Bc5 8. d4 {The position is equal.} Ba7 9. dxe5 dxe5 10. Ng3 {To avoid e4} O-O 11. Bd3 Qe7 {[#]} 12. O-O $146 ({Predecessor:} 12. b3 Re8 13. Ng5 h6 14. N5e4 Nxe4 15. Bxe4 Nd8 16. Bb2 Ne6 17. O-O Bc5 18. Nf5 {1-0 (27) Brown,M (2524)-Panchanathan,M (2499) Charlotte 2019}) 12... Re8 {White must now prevent ...e4.} 13. Nd2 {Inhibits e4.} h5 14. Nge4 (14. h3 {is interesting.} Rd8 15. Rd1 Kf8 16. Be2 g6 17. Nf3) 14... Be6 15. Nxf6+ Qxf6 16. Be4 Ne7 (16... a4 $11 {keeps the balance.}) 17. b4 (17. Bxb7 $16 Rab8 18. Be4) 17... Qh6 ({Black should play} 17... c6 $1 $14) 18. Nb3 (18. Bxb7 $18 Rab8 19. Bf3) 18... c6 19. Nxa5 f5 20. Bd3 b6 21. Nb3 h4 22. f4 (22. a4 $16) 22... e4 (22... b5 $1 $14) 23. Be2 $16 g5 24. Nd4 Bf7 25. Qc3 {fxg5 is the strong threat.} Kh7 {[#]} (25... Bb8 $16 {was necessary.}) 26. Bb2 $1 $18 {[%cal Od4f5] Strongly threatening Nxf5!} Rg8 {[#]} 27. Rad1 (27. Bg4 $1 $18 {[%mdl 512] is more deadly.} fxg4 28. fxg5) 27... Rg6 $2 {[%mdl 8192] [#] Black cannot hold the game after this.} (27... gxf4 $16 28. exf4 (28. Nxf5 Nxf5 29. Rxf4 Be6 $11) 28... b5) 28. Nxf5 $1 {[%mdl 512]} Nxf5 29. Rd7 Kg8 30. Rfd1 {[%cal Bf1d1,Bd1d8,Bd8h8,Bh8a8,Ba8a7][%mdl 32] And now Rd8+ would win.} Be6 $2 (30... Re8) 31. Rd8+ Rxd8 32. Rxd8+ Kf7 33. Rh8 Qg7 34. Qxg7+ Nxg7 35. Ra8 Bd7 $2 (35... gxf4 36. exf4 e3 37. Rxa7+ Kf8) 36. Rxa7 Ke8 37. f5 {Weighted Error Value: White=0.31/Black=0.59} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.15"]
[White "Corrales Jimenez, Zenia"]
[Black "Fier, Alexandr"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2151"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "146"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,146,2,10,10,4,4,29,0,14,0,0,0,1,0,0,-23,-16,-18,-2,-34,-24,-15,-8,-3,0,-4,-11,-14,-19,-30,-30,-60,0,0,0,0,0,0,2,0,2,6,0,0,0,0,0,0,35,40,44,38,66,3,9,10,88,88,80,0,0,0,0,-14,-11,-12,-11,-10,0,-8,-8,-8,0,-8,-8,-8,0,-8,-8,-8,-8,-8,-8,-8,-5,-10,0,0,0,-8,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,-62,-62,-107,-107,-107,-107,-589,-108,-108,-108,-122,-122,-150,-156,-351,-366,-392,-381,-526,-518,-406,-420,-520,-486,-461,-376,-522,-508,-465,-450]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 d6 7. Bc4 Be7 8. O-O {B22: Sicilian: 2 c3.} O-O 9. Qe2 Bd7 10. Bd2 {White has an edge.} Bc6 11. Nc3 {[#]} Nb6 $146 ({Predecessor:} 11... Nxc3 12. Bxc3 Nd7 13. Bd3 Bd5 14. Nd2 dxe5 15. dxe5 Nc5 16. Bc2 Rc8 17. a3 Qb6 {1-0 (37) Zhigalko,S (2671)-Movsesian,S (2673) Tallinn 2016}) 12. Bd3 N8d7 13. Bf4 dxe5 14. Nxe5 Nxe5 15. Bxe5 Nd7 16. Be4 Nxe5 (16... Bxe4 {keeps more tension.} 17. Nxe4 Qa5 18. Bf4 Nb8 19. Be3 Nc6) 17. dxe5 Qb6 18. Bxc6 Qxc6 19. Rac1 Rac8 20. Qe4 Qb6 21. Qe2 h6 22. Rcd1 {[#]} Rc7 (22... Ba3 $1 $15 23. Rb1 (23. Nb5 Bc5) 23... Bc5) 23. Rd3 $11 Qa6 24. Rfd1 Rfc8 25. h3 Qc4 26. Qh5 Qh4 27. Qxh4 Bxh4 28. Rd7 Kf8 29. g3 Be7 {[%cal Bh4e7,Be7c5,Bc5b6,Bb6c7,Bc7e5][%mdl 32]} 30. Nb5 Rc2 31. Rxb7 {And now Rdd7 would win.} Bc5 $1 32. Nd4 Rc4 33. Nb3 (33. Ne2 $1 $14) 33... Bb6 34. Rdd7 R4c7 (34... R8c7 $11) 35. Rdxc7 $1 $16 Bxc7 36. Rxa7 (36. Nc5 $16) 36... Bxe5 {[%mdl 4096] Endgame KRB-KRN} 37. a4 Rc2 38. a5 {Threatens to win with a6.} Rxb2 39. Rb7 Ra2 $1 40. Kf1 g5 41. Rb4 Kg7 42. Rb5 Kf6 43. Kg2 Bc3 44. Kf1 $1 {To avoid Be1} Kg6 45. Rc5 Bf6 46. Rc6 Ra3 47. Rb6 Bd8 48. Rb5 Ra2 49. Rb8 Bf6 (49... Bxa5 $2 50. Ra8 $18) 50. Rb6 h5 51. g4 Ra4 52. a6 hxg4 53. hxg4 Ra2 54. Rc6 Ra3 55. Rb6 Be5 56. Kg2 Ra2 57. Kf3 Bc3 58. Ke4 Be1 59. f3 ({White should try} 59. Nc1 $11 Ra4+ 60. Ke3) 59... Bf2 $15 60. Rd6 (60. Rc6 $15 {deserves consideration.}) 60... Ra3 $1 $17 {Black is more active.} 61. Rd2 Ba7 62. Nd4 $2 {[%mdl 8192]} (62. Rb2 $17 {is more resistant.}) 62... Rxa6 $2 (62... Ra4 $1 $19 63. Ke5 f6+ 64. Kxe6 Bxd4) 63. Nb5 Bb8 64. Rd8 {Black must now prevent Rg8+.} Bf4 {Strongly threatening ...Ra5.} 65. Kd3 Ra2 {aiming for ...Rd2+.} 66. Rg8+ $2 {[#]} (66. Nd4 $17) 66... Kh7 $1 $19 67. Re8 {[#]} Rd2+ $1 68. Ke4 Re2+ 69. Kd4 Re3 70. Nc3 Rxf3 71. Ne4 Kg7 {Inhibits Nf6.} 72. Re7 Rf1 73. Nc5 Bd6 {Weighted Error Value: White=0.11 (very precise) /Black=0.07 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.16"]
[White "Vega Garcia, Jorge Arturo"]
[Black "Albornoz Cabrera, Carlos Daniel"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2121"]
[BlackElo "2567"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,68,0,0,-48,-45,-51,-34,-53,0,-8,-13,-37,-31,-31,-27,-54,-6,-14,-16,-38,-31,-27,-35,-66,-66,-59,-62,-58,-59,-51,-58,-65,-64,-92,-52,-71,-78,-89,-82,-113,-94,-286,-264,-297,-242,-837,-793,-1458,-1445,-2333,-2157,-1866,-1792,-1761,-1709,-1118,-329]} 1. Nf3 Nf6 2. g3 d5 {[%cal Bd7d5,Bd5d4][%mdl 32]} 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d3 c5 7. Nc3 {7.cxd5 is more advanced technology.} d4 8. Nb5 {A14: English Opening: 1...e6 with b3 by White.} (8. Na4 $11 {might be stronger.}) 8... Nc6 $15 9. e3 a6 10. Na3 {Black is slightly better.} Nd7 (10... dxe3 $15 11. Bxe3 e5) 11. exd4 cxd4 12. Nc2 e5 13. Re1 {[%cal Ob2b4]} a5 {[#] Inhibits b4.} 14. Na3 $146 ({Predecessor:} 14. Rb1 f5 15. a3 a4 16. Bd2 Kh8 17. Nb4 Bf6 18. Nxc6 bxc6 19. h4 h6 20. Ng5 {0-1 (34) Dalaud,D (2227)-Sundararajan,K (2422) Liffre 2019}) 14... h6 (14... f6 $15) 15. Nb5 $11 Re8 16. Nd2 Bb4 17. Re2 $1 Bxd2 18. Rxd2 Nc5 19. b3 Bf5 20. Ba3 Nb4 21. Bxb4 axb4 22. Bd5 Ra6 23. a3 Qd7 {Black is more active.} 24. Rc1 bxa3 25. b4 Ne6 26. Ra1 Ng5 {...e4 is the strong threat.} 27. Bg2 {[#] Loses the game.} (27. h4 $17 Nh3+ 28. Kh2) 27... Bh3 $1 $19 28. Bd5 Rf6 {And now ...Bg4 would win.} 29. f3 {Inhibits Bg4.} (29. Rxa3 Bg4 30. Qf1) 29... e4 {Black is clearly winning.} ({Not} 29... Be6 $2 30. Be4 $19) 30. Nxd4 exf3 {Threatens to win with ...Bg2.} 31. Rf2 Bg2 32. Rxg2 Nh3+ 33. Kh1 fxg2+ 34. Kxg2 Rf2+ {Weighted Error Value: White=0.64/Black=0.04 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.17"]
[White "Gonzalez Zamora, Juan Carlos"]
[Black "Miranda Rodriguez, Tania"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2544"]
[BlackElo "2174"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,14,28,14,22,6,4,6,10,-7,5,-10,11,8,23,0,0,0,0,0,25,22,26,29,23,32,60,54,60,33,53,27,60,28,172,188,189,197,212,182,345,333,314,345,302,205,587,558,567,566,557,552,538,305,650,637,29989,29990,29992,29993]} 1. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 4. bxc3 d6 5. Bg2 Ne7 6. d3 {A21: English Opening: 1...e5 2 Nc3.} O-O 7. Nh3 {[%cal Bg1h3,Bh3f2,Bf2d1,Bd1e3,Be3d5][%mdl 32]} c5 8. O-O {The position is equal.} Nbc6 9. f4 {[#]} Rb8 $146 ({Predecessor:} 9... f5 10. Rb1 h6 11. Nf2 Qc7 12. e4 exf4 13. Bxf4 Ng6 14. Bd2 f4 15. Nh3 fxg3 16. Rxf8+ Nxf8 17. hxg3 {1-0 (38) Solak,D (2635)-Greet,A (2455) Baku 2016}) 10. Rb1 Qa5 11. Qc2 f6 12. Nf2 Qc7 13. Nd1 b6 14. Ne3 Bb7 15. Nd5 Nxd5 16. cxd5 Ne7 17. c4 Bc8 18. e4 Bd7 19. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} a6 20. Bd2 Rb7 21. fxe5 dxe5 {This move loses the game for Black.} (21... fxe5 $11 {and Black stays safe.} 22. Rxf8+ Kxf8) 22. a5 $1 $18 b5 23. cxb5 Bxb5 24. Rfc1 Qb8 $2 (24... Qd7 {was called for.} 25. Qxc5 Rc8) 25. Bh3 (25. Qxc5 Rc8 26. Qe3 Rxc1+ 27. Rxc1 Bd7 $18) 25... f5 26. Qxc5 Rc8 27. Qe3 {[#] aiming for Rxc8+.} Bd7 (27... Re8 {is tougher.} 28. Bb4 (28. Bxf5 Nxf5 29. exf5 Qd6 $16) 28... f4) 28. Rxb7 Qxb7 29. Qb6 Rxc1+ 30. Bxc1 Qc8 31. Bg5 f4 $2 {[#]} (31... Kf7 32. d6 Nc6 33. Bxf5 Bxf5) 32. Bxd7 ({Less strong is} 32. Bxe7 Bxh3 33. Qd8+ Kf7 34. Qxc8 Bxc8 $18) 32... Qc1+ 33. Kg2 Qd2+ 34. Kh3 {Weighted Error Value: White=0.18 (very precise) /Black=0.60} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.18"]
[White "Rodriguez Vila, Andres"]
[Black "Gongora Montes, Benjamin"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2461"]
[BlackElo "2157"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,10,0,4,18,17,50,29,47,40,47,45,27,15,24,34,23,-51,-42,-54,0,0,0,0,78,84,167,161,160,147,185,90,85,53,163,161,192,167,168,159,154,154,161,164,152,141,167,166,216,228,228,221,221,221,261,262,204,224,220,200,215,179,179,143,107,90,120,125,476,457,392,385,359,183,549,505,543,532,671,648,603,605,583,590,534,370,988,965,891,813,639,631,1066,2073,1636,1516,2089,1960,1768,1392,29988,29989,29989,29990,29990,29991,29991,29992]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 Bf5 4. f3 e6 5. g4 Bg6 6. h4 {[%cal Bh2h4,Bh4h5][%mdl 32] D00: 1 d4 d5: Unusual lines.} h6 7. e3 c5 8. Nb5 {Inhibits Bd6. Black must now prevent Nc7+. White is slightly better.} (8. h5 $5 {[%cal Rh5g6]} Bh7 9. Nb5 $14) 8... Na6 {Inhibits Nc7+.} 9. c3 Be7 10. h5 Bh7 {[#]} 11. Nh3 $146 ({Predecessor:} 11. Bd3 Bxd3 12. Qxd3 Nd7 13. Ne2 O-O 14. a4 Bf6 15. Bd6 Re8 16. f4 Nb6 17. g5 hxg5 {1-0 (34) Jobava,B (2713)-Mamedyarov,S (2743) Dubai 2014}) 11... Qb6 12. a4 c4 13. Rg1 ({White should try} 13. Be2 $11) 13... Rc8 $1 $15 14. b3 {[#]} Nb8 (14... Nb4 $1 $15 15. cxb4 a6 16. Nc7+ Rxc7 17. Bxc7 Qxc7) 15. bxc4 $11 dxc4 16. e4 {Prevents Nd5.} a6 (16... Nc6 $1 $11 {remains equal.}) 17. Na3 $16 {White is more active.} Bxe4 18. Nxc4 $18 (18. fxe4 $6 Nxe4 19. Bd2 (19. Nxc4 Bh4+ 20. Bg3 Bxg3+ 21. Rxg3 Rxc4 $15) (19. Bxc4 Qb2 $17) 19... Qb2 $14) 18... Rxc4 19. Bxc4 Qc6 20. fxe4 ({Don't play} 20. Bxb8 Qxc4 21. fxe4 (21. Rc1 Bc6 $11) 21... Qxc3+ 22. Ke2 O-O $16) (20. Be2 $1 $18 {and the rest is easy. aiming for c4.} e5 21. Bxe5 (21. fxe4 Qxc3+ 22. Bd2 Qxh3 $11) 21... Qxc3+ 22. Kf1) 20... Qxc4 $16 21. Rc1 Nxe4 22. Qe2 $1 $18 {Chess con chili.} Qxe2+ 23. Kxe2 Kd7 24. Kd3 Nf6 25. Rb1 Kc8 26. Bxb8 Kxb8 27. Rg2 {Strongly threatening Rgb2.} Rd8 28. Rf1 e5 (28... Rc8 $142 29. Nf2 Nd5) 29. g5 hxg5 30. Nxg5 exd4 31. Nxf7 ({Don't take} 31. cxd4 Bc5) 31... Rd5 32. cxd4 {Threatens to win with h6.} Rxh5 33. Rxg7 {And now Ne5 would win.} Rh3+ 34. Ke2 Nd5 35. Ne5 Re3+ 36. Kf2 {[%cal Og7e7]} Ra3 37. Rb1 Ka7 {[#]} 38. Nd7 $1 Rxa4 $2 {[%mdl 8192] [#] This move loses the game for Black.} (38... Bh4+ $16 {is a better chance.} 39. Kf1 Nc3) 39. Nc5 $1 Ra2+ 40. Kf3 b6 41. Rc1 bxc5 (41... a5 {is more resistant.} 42. Nd7 (42. Ke4 Nf6+ 43. Kd3 Ra3+ 44. Kd2 Nd5 $16) 42... Ka6) 42. Rxc5 Ra3+ 43. Ke4 Nc3+ 44. Ke5 Kb6 45. Rxe7 {[%mdl 4096] Endgame Hoping for Re6+. KRR-KRN} Nb5 46. Re6+ Ka5 47. d5 Kb4 $2 (47... Re3+ 48. Kf4 Rd3) 48. Rc1 Re3+ 49. Kf4 Rd3 50. Ke4 Rd2 51. Rb1+ Ka5 52. Rc6 Re2+ 53. Kd3 Re5 54. d6 {Intending d7 and mate.} Re6 {[#]} 55. d7 $1 {[%mdl 512] White mates.} Rxc6 56. d8=Q+ Ka4 57. Ra1+ Kb4 58. Qa5+ {Weighted Error Value: White=0.16 (very precise) /Black=0.56} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.19"]
[White "Berdayes Ason, Dylan Isidro"]
[Black "Alfaro Caracas, William Amaro"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2445"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,59,35,53,35,40,37,30,24,61,47,47,20,19,16,55,46,45,1,65,65,85,85,91,-4,0,0,18,35,62,65,69,81,66,35,62,57,74,46,108,111,114,108,118,115,120,107,158,157]} 1. d4 c5 2. d5 d6 3. e4 Nf6 4. Nc3 g6 5. Bb5+ Bd7 6. a4 Bg7 7. Nf3 O-O 8. Nd2 {A43: Schmid Benoni.} Na6 9. Be2 e6 10. Nc4 {White has an edge.} exd5 (10... Nxe4 {seems wilder.} 11. Nxe4 exd5 12. Bg5 Qb8 13. Nf6+ Bxf6 14. Bxf6 dxc4 15. O-O Be6) 11. exd5 Nb4 12. Bf4 ({Reject} 12. Nxd6 Bg4 $1 13. Bxg4 Qxd6 $11) 12... Bf5 13. Ne3 Bc8 14. O-O {[#]} Ne8 $146 ({Predecessor:} 14... a6 15. Nb1 a5 16. c3 Na6 17. Na3 Nc7 18. Qb3 Ne4 19. Qc2 Re8 20. h3 Qf6 {1-0 (47) Starcevic,G (2231)-Nikolic,M (2043) Belgrade 2007}) 15. Nc4 (15. Qd2 $14 {is more appropriate.}) 15... g5 ({Black should try} 15... Bf5 $11) 16. Be3 $14 {Ne4 is the strong threat.} f5 {Inhibits Ne4.} 17. f4 g4 {[#]} 18. Rf2 (18. Nb5 $1 $16) 18... b6 19. Bf1 $1 Bb7 20. Rd2 Nc7 21. Nb5 Nxb5 (21... Ncxd5 $2 22. c3 $18 (22. Nbxd6 Qe7 $18)) 22. axb5 {Black must now prevent c3.} a6 23. bxa6 (23. c3 $5 {[%cal Rc3b4]} axb5 24. Rxa8 Bxa8 25. Na3 $14) 23... Nxa6 24. c3 b5 25. Na5 b4 26. Nxb7 $16 {White is more active.} Qe7 27. Rxa6 Rxa6 28. Bxa6 Qxe3+ {[#]} 29. Kh1 $1 bxc3 (29... Qxf4 $142 30. g3 Qe4+ 31. Rg2 Be5) 30. bxc3 {Weighted Error Value: White=0.14 (very precise) /Black=0.19 (very precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.20"]
[White "Perez Gormaz, Matias"]
[Black "Luna Javier, Edgar Froylan"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2404"]
[BlackElo "2148"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,48,26,22,59,20,20,17,29,35,59,49,122,82,105,77,100,111,114,44,49,49,42,42,47,19,14,13,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,0,-8,0,-8,-8,-8,0,0,0,-18,0,0,0,-8,-8,-8,-8,-8,-16]} 1. d4 c5 2. c3 d5 3. dxc5 Nf6 4. Nf3 g6 5. b4 Bg7 6. Bb2 {[%cal Oc3c4] [#] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bg4 $146 (6... b6 {looks sharper.} 7. cxb6 axb6 8. e3 O-O 9. Be2 Ne4) ({Predecessor:} 6... Ne4 7. e3 a5 8. a3 axb4 9. axb4 Rxa1 10. Bxa1 O-O 11. Nfd2 Nf6 12. Be2 b6 13. cxb6 Qxb6 {1-0 (60) Shimanov,A (2581)-Lintchevski,D (2561) Lichess.org INT 2021}) 7. h3 (7. e3 {is interesting.} O-O 8. Nbd2 a5 9. Be2 Ne4 10. Qc2) 7... Bxf3 8. exf3 O-O 9. Be2 Nbd7 10. O-O e5 (10... e6 $14) 11. Nd2 Qc7 12. Qb3 b6 13. cxb6 Nxb6 14. c4 (14. a4 $16) 14... Bh6 $14 15. Rfd1 {[%cal Bf1d1,Bd1d2,Bd2c2,Bc2c7,Bc7b7][%mdl 32] Strongly threatening cxd5.} Bxd2 16. Rxd2 {[%cal Rc4d5]} dxc4 17. Rc2 {[%cal Re2c4]} (17. Qe3 $5 {[%cal Rb2e5]} Nfd5 18. Qxe5 (18. Bxe5 Qe7 $11) 18... Qxe5 19. Bxe5 $14) 17... cxb3 {The position is equal.} 18. Rxc7 Nfd5 $1 {[%csl LRb4,LRc7]} 19. Rb7 Na4 $1 {Pair of Knights!} 20. axb3 Nxb2 21. Rb1 Rfb8 22. Rd7 Rd8 23. Rxd8+ Rxd8 24. Rxb2 {[#] And now Rd2 would win.} Nxb4 $11 {[%mdl 4096] Endgame KRB-KRN} 25. Bc4 Rd1+ 26. Kh2 Kg7 27. Re2 Kf6 28. h4 h6 29. g3 Rd4 30. Re1 Rd2 31. Kg1 Nc2 32. Re4 Rd1+ 33. Kh2 Re1 34. Kh3 Rh1+ 35. Kg2 Re1 36. Kh3 Rh1+ 37. Kg2 Re1 38. Kh3 Rxe4 39. fxe4 Ke7 40. Kg4 Nd4 {Weighted Error Value: White=0.07 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.21"]
[White "Limon Olmos, Ivan Alonso"]
[Black "Valdes Romero, Leonardo"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2106"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,129,-11,0,-11,-4,-16,-14,-16,0,0,0,-9,-6,-83,-5,-4,0,0,-5,-56,8,10,52,45,125,137,131,141,145,137,141,118,158,155,154,151,153,104,103,52,55,58,52,52,38,44,75,58,84,58,58,58,84,58,64,58,124,124,124,64,64,8,8,8,8,8,8,8,116,83,111,8,8,-8,-8,-8,0,0,0,-612,-7,-8,0,0,0,-8,-8,-29980,-29981,-29981,-29982,-29982,-29982,-29983,-29984,-29988,-29989,-29989,-29990,-29990,-29991,-29991,-29992,-29999]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 cxd5 13. Bxd5 Nd7 14. Nd2 Nc5 15. O-O {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} Be6 16. Nc4 Bxd5 17. exd5 {The position is equal.} Bf8 18. Rfd1 Rac8 19. Rac1 b6 {[#]} 20. b4 $146 (20. Kf1 $1 $11 {was the only way to keep the balance.}) ({Predecessor:} 20. g3 Rc7 21. Ne3 Rd7 22. Ng4 Bg7 23. d6 f5 24. Ne3 Kf7 25. b4 Ne6 26. Be7 {0-1 (60) Mu,K (2436)-Andersen,M (2598) Boeblingen 2017}) 20... Nd7 (20... Ne4 $17 21. Be3 Bxb4) 21. a3 $11 f5 22. f3 h6 23. Bh4 (23. Bd2 $11) 23... Rc7 (23... e4 $15) 24. Ne3 $1 $36 {[%mdl 2048] White has the initiative.} Rec8 (24... Rxc1 $11 25. Rxc1 g5) 25. Rc6 $1 $14 {Rdc1 is the strong threat.} Rxc6 ({Black should try} 25... Kf7 $14) 26. dxc6 $16 Nb8 27. b5 {Hoping for Rd8.} Nxc6 28. bxc6 Rxc6 29. Rd8 Kf7 {To avoid Be7} 30. Rd7+ Ke6 31. Rxa7 Rc3 32. Nf1 (32. Bf2 $142 $1) 32... Rxa3 33. Rxa3 (33. Rb7 $1 $16) 33... Bxa3 $14 34. Nd2 Bb4 35. Be1 Kd5 36. Kf1 h5 37. Ke2 Bd6 38. h3 b5 39. Kd3 Bb4 40. Bf2 Bd6 41. Nb1 Bc7 (41... e4+ $14 42. fxe4+ fxe4+ 43. Ke2 b4) 42. Nc3+ $16 Kc6 43. g4 (43. Bh4 $16) 43... hxg4 $1 $14 44. fxg4 (44. hxg4 $14 Bd8 45. Kc2) 44... b4 $11 45. Na2 Kb5 46. gxf5 gxf5 47. Be1 b3 (47... e4+ $11 48. Kd4 Bb6+ 49. Kd5 Ba5) 48. Nc3+ $16 Kc6 {[#]} 49. Nd1 (49. Kc4 $1 $16) 49... Kd5 50. Bc3 e4+ 51. Ke2 Bd8 52. Ne3+ Ke6 53. Ng2 $2 {[%mdl 8192] [#]} (53. Nc4 $11) 53... Bg5 $2 (53... Bf6 $1 $19 {[%cal Rf6c3]} 54. Bxf6 (54. Nf4+ $2 Kf7 $19) 54... Kxf6) 54. h4 Bc1 {Threatens to win with ...f4.} 55. Kd1 Bh6 {And now ...f4 would win.} (55... b2 $5 56. Kc2 f4 57. Bxb2 Bxb2 58. Nxf4+ Kf5 $11) 56. Bb2 f4 {Strongly threatening ...f3.} 57. Ke1 $2 {[%mdl 8192]} (57. Bc1 $11) 57... f3 {Black mates.} 58. Kf2 fxg2 59. Kxg2 {KB-KB} Kf5 60. Kg3 Bf4+ 61. Kh3 e3 {[%cal Be4e3,Be3e2][%mdl 32]} 62. Kg2 Ke4 63. h5 e2 64. Kf2 Kd3 65. Ke1 {Black used his chance.  Weighted Error Value: White=0.37/Black=0.29 (precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.22"]
[White "Fernandez Sanchez, Mario Andres"]
[Black "Diaz Rosas, Julio Cesar"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2093"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,117,27,22,25,29,25,48,49,41,0,0,0,35,12,18,23,0,-16,0,-42,-45,-45,-33,-28,-34,-74,-23,-40,-20,-29,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,18,20,37,76,49,51,198,201,210,192,187,110,118,105,112,0,194,0,613,14,14,19,962,947,1083,1056,1060,994,848,952,866,827,1549,1638,1265,1122,1481,0,641,643,672,639,666,639,666,641,783,783,1008,861,4897,4405,6813,6170,2878,6023,5591,2478,5710,4336]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 {[%cal Be2e4,Be4e5][%mdl 32]} d5 5. e5 Ne4 6. Nce2 {A45: Trompowsky Attack.} f6 $1 7. f3 Ng5 8. Bxg5 {White is slightly better.} fxg5 9. Qd2 (9. h4 $14 {is more appropriate.}) 9... c5 $1 $11 10. c3 {[#]} g4 $146 ({Predecessor:} 10... Nc6 11. dxc5 Nxe5 12. Nd4 O-O 13. O-O-O Nf7 14. c6 Qb6 15. cxb7 Bxb7 16. Kb1 e5 {0-1 (39) Chandrajeet,S (1778)-Eshwanth Dev,K (1850) Ahmedabad 2020}) 11. h4 cxd4 12. cxd4 h5 13. Nc3 Bh6 14. Qc2 (14. Bb5+ $11 {should be considered.} Kf7 15. f4) 14... Bf5 $1 $15 15. Bd3 e6 16. Bxf5 gxf5 17. Nb5 Qa5+ ({Better is} 17... Kd7 $17) 18. Qc3 $1 $11 Qxc3+ (18... Qxb5 19. Qc8+ Ke7 20. Qxh8 Bd2+ 21. Kf2 $16) 19. bxc3 Kd7 {Prevents Nc7.} 20. Nd6 b6 21. Nf7 Rh7 22. Nxh6 Rxh6 23. Ne2 Nc6 24. Kd2 Na5 25. Nf4 Rc8 26. Kd3 Rc4 27. a4 Rh8 28. fxg4 hxg4 29. h5 {[%cal Bh4h5,Bh5h6,Bh6h7][%mdl 32]} Nc6 {[%cal Oc6e5]} 30. h6 Nxe5+ 31. Kd2 {And now h7 would win.} Nf7 32. h7 {[%mdl 1024] White has compensation.} Re8 (32... Rhc8 $1 $14) 33. Ng6 $1 $18 Rcc8 34. Rh5 Nh8 35. Ne5+ ({White should play} 35. Nf4 $1 $18) 35... Ke7 $16 36. Rah1 {Hoping for Ke3. White is more active.} Kf6 37. Nd7+ (37. R1h2 $16) 37... Kg6 $2 (37... Ke7 $11 38. Ne5 Rc7) 38. Ne5+ $2 (38. Rh6+ $1 $18 Kf7 39. R1h5 (39. Ne5+ Kg7 $16)) 38... Kg7 $2 {[%mdl 8192]} (38... Kf6 $11) 39. Rg5+ $2 (39. Ke3 $1 $18 Kf6 40. Kf4) 39... Kf6 $11 40. Rhh5 {The board is on fire.} Red8 $2 {[%mdl 8192] [#] Black is on the road to losing.} (40... Rc7 $11) 41. Ke3 $1 $18 Rxc3+ {[#]} 42. Kf4 $1 {Strongly threatening Rg8.} Rcc8 43. Rh6+ Ke7 44. Rg7+ {[%mdl 64] Skewer} Kd6 45. Rxa7 Ra8 46. Rb7 {White threatens Rf6 and mate.} Rab8 47. Rg7 {aiming for Rf6.} Ra8 48. Rb7 (48. Rf6 $142) 48... Rab8 49. Nf7+ {White is clearly winning.} Nxf7 50. Rxf7 {[%mdl 4096] Endgame KRR-KRR} Rh8 51. Kg5 Ra8 52. Rff6 Rae8 53. Kg6 Kc7 54. Kg7 e5 55. dxe5 d4 56. Rc6+ Kb7 57. Rxb6+ Ka7 58. Rbd6 f4 59. Rxd4 {Weighted Error Value: White=0.48/Black=0.38} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.23"]
[White "Garcia Guerrero, Isaac Antonio"]
[Black "Avila Bautista, Roberto Alejandro"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2338"]
[BlackElo "2090"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,104,4,-8,10,0,2,0,16,16,22,5,37,31,54,36,35,0,28,24,42,0,28,41,55,56,60,0,69,72,87,82,95,12,112,49,24,33,29,38,30,32,33,0,0,-19,-20,-26,-16,-8,0,0,0,0,0,0,0,0,0,-57,-57,-84,-84,-142,-109,-93,-100,-162,-151,-239,-245,-536,-384,-391,-381,-368,-315,-12840,-12840,-12841,-12838,-12841,-12838,-12838,-12838,-12843,-12843,-12846,-12846,-12846,-12847]} 1. e4 c5 2. Nf3 g6 3. Nc3 Bg7 4. Bc4 Nc6 5. O-O d6 6. h3 Nf6 7. d4 cxd4 8. Nxd4 O-O 9. Nf3 Nd7 {B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3).} 10. Bb3 (10. Bg5 {with more complications.} Nc5 11. Re1 Be6 12. Bb3 Rb8 13. Qd2) 10... Nc5 11. Re1 Nxb3 {The position is equal.} 12. axb3 {[#]} a6 $146 ({Predecessor:} 12... f5 13. Ng5 Kh8 14. Qd5 Ne5 15. Ne2 h6 16. Ne6 Bxe6 17. Qxe6 fxe4 18. Nf4 g5 19. Nh5 Qd7 20. Nxg7 Kxg7 21. Qd5 Qf5 22. Rf1 Nf3+ {0-1 (22) Wonnacott,A (1255)-Jordaan,W (1470) IECC email 2003}) 13. Bg5 Rb8 14. Qd2 Re8 15. Rad1 Qa5 16. Ra1 Qd8 17. Nd5 b5 18. b4 (18. Rad1 $14 {feels stronger.}) 18... Bb7 19. c3 $36 {[%mdl 2048] White has some pressure.} Ne5 20. Nxe5 Bxe5 21. h4 (21. Red1 $14) 21... Bh8 ({Better is} 21... h6 $1 $11 22. Bxh6 e6) 22. h5 $14 Ra8 23. Re3 f6 24. hxg6 (24. Bh6 $16) 24... hxg6 {[#]} (24... fxg5 $11 {keeps the balance.} 25. gxh7+ Kf7) 25. Rg3 Bxd5 (25... fxg5 {is a self mate.} 26. Qxg5 Bxd5 27. Qxg6+ Kf8 28. exd5 e6 29. Qg8+ Ke7 30. Qxe6+ Kf8 31. Rg8#) 26. exd5 {[%cal Od2d3] aiming for Qd3!} ({Of course not} 26. Qxd5+ e6 27. Qd3 fxg5 $17) 26... e5 $1 (26... fxg5 {gets mated.} 27. Qxg5 e6 28. Qxg6+ Kf8 29. Qg8+ Ke7 30. Qxe6+ Kf8 31. Rg8#) 27. Be3 {And now Qc2 would win.} Kf7 $1 28. f4 f5 29. Rf1 Bf6 30. Rh3 Rh8 31. Rxh8 $1 Qxh8 32. Rf3 e4 33. Rh3 Qg7 34. Bf2 Rh8 35. Rxh8 Qxh8 36. Qe3 Qh5 37. Qd2 (37. Qa7+ $11 Be7 38. Bd4) 37... g5 $15 38. Be3 {[%cal Rf4g5]} Kg6 39. fxg5 (39. g3 $142) 39... Bxg5 $17 40. b3 Bxe3+ 41. Qxe3 {[%mdl 4096] Endgame KQ-KQ} Qd1+ 42. Kh2 (42. Kf2 $17 {keeps fighting.}) 42... Qxd5 $19 {Strongly threatening ...Qd3.} 43. c4 $2 (43. Qg3+ {was forced.} Kf7 44. Qf4) 43... bxc4 44. bxc4 Qe5+ 45. Kg1 f4 46. Qb6 (46. Qh3) 46... e3 {( -> ...e2). Black is clearly winning.} 47. Kf1 Qa1+ 48. Ke2 Qb2+ 49. Kf3 Qe5 50. Ke2 Qh5+ 51. Kd3 Qd1+ 52. Ke4 e2 {Weighted Error Value: White=0.42/Black=0.13 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.24"]
[White "Noboa Silva, Kevin"]
[Black "Fernandez Rivero, Karla July"]
[Result "1/2-1/2"]
[ECO "E59"]
[WhiteElo "2331"]
[BlackElo "2025"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,97,18,16,-72,-82,-85,-85,-84,-77,-89,-9,-25,0,-11,-12,-20,-16,-73,-34,-82,-19,-58,-57,-73,0,0,0,-82,-91,-104,114,114,112,94,112,-99,-77,-108,-100,-96,-102,-78,-97,-80,-94,-84,-84,-122,-124,-164,-58,-141,-141,-142,-131,-166,-166,-156,-62,-152,0,-29,-25,-35,-14,-14,-14,-14,-14,-14,0,-14,0,-14,0,-14,-10,-30]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 {[%cal Bc7c5,Bc5c4][%mdl 32]} 9. Nf3 Nc6 10. O-O Qc7 11. Bb2 e5 12. d5 {E59: Nimzo-Indian: Rubinstein: Main Line: 7...Nc6 8 a3 Bxc3 9 bxc3 dxc4.} (12. h3 $11 {remains equal.}) 12... Na5 $1 $17 13. Be2 c4 $1 14. d6 {Black is better.} Qb6 {[#]} 15. Qc2 $146 ({Predecessor:} 15. Bc1 e4 16. Nd2 Qxd6 17. Nxc4 Nxc4 18. Bxc4 Qc7 19. Be2 Rd8 20. Qc2 Ng4 21. Bxg4 Bxg4 {½-½ (48) Lindholm,P (2133)-Catozzi,M (2205) ICCF email 2010}) 15... Rd8 (15... Qxd6 $17 16. a4 Qc7) 16. Nxe5 $11 Be6 17. Rad1 Rxd6 18. Rd4 {[%cal Re2c4]} Qc5 19. f4 (19. Rxd6 $11 Qxd6 20. Nf3) 19... Rad8 20. Rfd1 (20. Bc1 $15 {should be considered.}) 20... b5 (20... Ne8 $17) 21. a4 Nd5 22. Bc1 Nb3 (22... f6 $17 23. Nf3 Nc6) 23. axb5 Nxd4 24. cxd4 (24. exd4 $11 {keeps the balance.} Qxb5 25. f5) 24... Qxb5 $17 25. f5 {[#]} Bc8 (25... Nb4 $1 $17 26. Qd2 (26. Qc3 Bxf5) 26... Bd5) 26. Bxc4 $16 Qb6 27. Bd2 $1 {aiming for Rb1. This bishop pair is nice.} ({And not} 27. e4 Nb4 28. Qc3 (28. Bxf7+ Kf8 $17) 28... Rxd4 29. Rxd4 (29. Bxf7+ Kf8 $17) 29... Qxd4+ 30. Qxd4 Rxd4 31. Bxf7+ Kf8 $17) 27... Ba6 28. Qa2 $2 ({Much worse is} 28. Rb1 $6 Qc7 $11) (28. Bb3 $16 {stays on course.}) 28... Bxc4 $17 29. Nxc4 Qa6 30. Ra1 Qxa2 31. Rxa2 Rc6 32. Ne5 Rc7 33. Kf2 Rdc8 34. Ke2 {[#]} f6 $1 35. Nd3 {[%cal Be5d3,Bd3f4,Bf4d5][%mdl 32]} Re8 (35... Rc2 $19 36. Rxc2 Rxc2) 36. Ra5 {[#]} (36. Ra3 $15) 36... Nxe3 $1 {[%mdl 512]} 37. Bxe3 {Nc5 is the strong threat.} Rce7 38. Nf4 {And now Ne6 would win.} Rxe3+ $19 {[%mdl 4096] Endgame KRR-KRN} 39. Kf2 R8e4 ({Black should play} 39... R3e7 $17 {Strongly threatening ...Rb8.} 40. Kf3 Rb8) 40. g3 (40. Rxa7 $15 Re7 41. Ra2) 40... g5 $2 ({Black should try} 40... Rb3 $17 41. Ne6 g6 42. Rxa7 gxf5) 41. fxg6 (41. Nd5 $5 {[%cal Rd5e3]} Re2+ 42. Kf1 $11) 41... hxg6 {Hoping for ...g5.} 42. Rxa7 g5 43. Nd5 {[%csl LRe3,LRf6] The position is equal.} Re2+ 44. Kf1 Re1+ 45. Kf2 R1e2+ 46. Kf1 Re1+ 47. Kf2 R4e2+ 48. Kf3 f5 49. h3 {Weighted Error Value: White=0.34/Black=0.30} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.25"]
[White "Ortiz Verdezoto, Anahi"]
[Black "Perez Rodriguez, Luis Manuel"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2047"]
[BlackElo "2324"]
[Annotator "RC"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:14]} 2. c4 {[%emt 0:00:15]} c6 {[%emt 0:00:07]} 3. cxd5 {[%emt 0:00:11]} cxd5 {[%emt 0:00:08]} 4. Bf4 {[%emt 0:00:10]} Nf6 {[%emt 0:00:23]} 5. e3 {[%emt 0:00:28]} Nc6 {[%emt 0:00:09]} 6. Nc3 {[%emt 0:00:30]} a6 {[%emt 0:00:35]} 7. Bd3 {[%emt 0:00:08]} Bg4 {[%emt 0:01:30]} 8. Nge2 {[%emt 0:00:29]} e6 {[%emt 0:00:46]} 9. O-O {[%emt 0:02:19]} Bd6 {[%emt 0:02:34]} 10. Bxd6 {[%emt 0:02:01]} Qxd6 {[%emt 0:04:32]} 11. Rc1 {[%emt 0:03:16]} O-O {[%emt 0:04:15]} 12. Qd2 {[%emt 0:03:18]} Bxe2 {[%emt 0:00:46]} 13. Bxe2 {[%emt 0:06:01]} Rac8 {[%emt 0:06:46]} 14. Rfd1 {[%emt 0:06:01]} Rc7 {[%emt 0:05:41]} 15. Na4 {[%emt 0:05:52]} Ne4 {[%emt 0:04:09]} 16. Qe1 {[%emt 0:00:51]} Rfc8 {[%emt 0:07:03]} 17. f3 {[%emt 0:13:30]} Nf6 {[%emt 0:00:44]} 18. a3 {[%emt 0:00:43]} e5 {[%emt 0:07:48]} 19. dxe5 {[%emt 0:12:54]} Qxe5 {[%emt 0:05:06]} 20. Rd3 {[%emt 0:06:11]} Re8 {[%emt 0:04:51]} 21. b4 {[%emt 0:12:22]} Rce7 {[%emt 0:05:40]} 22. Qd2 {[%emt 0:06:27]} Qf5 {[%emt 0:08:44]} 23. Nc5 {[%emt 0:01:24]} Ne5 {[%emt 0:01:49]} 24. Rd4 {[%emt 0:00:14]} h5 {[%emt 0:04:32]} 25. e4 {[%emt 0:05:41]} dxe4 {[%emt 0:02:35]} 26. Nxe4 {[%emt 0:01:14]} Nc6 {[%emt 0:03:41]} 27. Ng3 {[%emt 0:06:10]} Qe5 {[%emt 0:02:08]} 28. Rdc4 {[%emt 0:00:17]} Rd7 {[%emt 0:05:21]} 29. Qc3 {[%emt 0:00:50]} Nd4 {[%emt 0:02:05]} 30. Bf1 {[%emt 0:02:42]} h4 {[%emt 0:00:44]} 31. Nh1 {[%emt 0:00:54]} h3 {[%emt 0:00:56]} 32. Ng3 {[%emt 0:01:04]} hxg2 {[%emt 0:05:07]} 33. Kxg2 {[%emt 0:00:09]} Nd5 {[%emt 0:00:22]} 34. Rxd4 {[%emt 0:02:04]} Nxc3 {[%emt 0:01:16]} 35. Rxd7 {[%emt 0:00:02]} Nd5 {[%emt 0:00:54]} 36. Ne4 {[%emt 0:01:06]} Qb2+ {[%emt 0:00:21]} 37. Kg1 {[%emt 0:01:06]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.26"]
[White "Zarate Manjarrez, Alfredo"]
[Black "Capo Vidal, Uriel"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "2026"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,62,12,4,25,17,16,15,71,-21,-13,-22,-16,-29,0,-165,-166,-162,-159,-160,-148,-145,-161,-163,-143,-161,-163,-186,-162,-218,-206,-187,-197,-394,-398,-406,-399,-386,-381,-392,-380,-310,-214,-269,-277,-243,-233,-1347,-1248,-1920,-1787,-1389,-1125]} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 Nf6 7. h3 e5 {B25: Closed Sicilian: 3 g3, lines without early Be3.} 8. O-O Be6 9. f4 {[#]} Nd4 $146 {Prevents f5.} (9... Qd7 $11 {keeps the balance.}) ({Predecessor:} 9... O-O 10. Be3 exf4 11. Nxf4 Nd7 12. Qd2 Rb8 13. Kh2 b5 14. Nxe6 fxe6 15. Bh6 b4 16. Bxg7 Kxg7 {0-1 (62) Shvedova,A (1994)-Buksa,N (2419) Chess.com INT 2021}) 10. fxe5 (10. f5 $16 Bd7 11. Bg5) 10... dxe5 $11 11. Kh2 Qd7 12. Be3 h5 {And now ...h4 would win.} 13. Rxf6 $2 {Black continues to play with concentration.} Bxf6 $19 14. Nd5 Bxd5 15. exd5 O-O 16. c3 Nxe2 17. Qxe2 b6 18. c4 Bg7 19. Rb1 Rae8 20. b4 (20. a3 $142) 20... cxb4 21. Rxb4 h4 22. c5 $2 (22. Qg4 Qd6 23. Rb3) 22... hxg3+ 23. Kxg3 f5 24. Kh2 e4 25. dxe4 bxc5 26. Rc4 Rc8 {aiming for ...Be5+.} 27. exf5 ({Not} 27. Bxc5 $2 Rxc5 $1 {[%mdl 512]} 28. Rxc5 Qd6+ 29. e5 Qxc5 $19) 27... Qxf5 28. Qg4 Qe5+ 29. Bf4 $2 {[#]} (29. Qg3) 29... Rxf4 $1 {[%mdl 512] Black is clearly winning.} 30. Rxf4 (30. Qxf4 Qxf4+) 30... Rf8 31. Kg3 g5 {Weighted Error Value: White=0.89/Black=0.14 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.27"]
[White "Ocampo, Cristina"]
[Black "Herrera Ortiz, Miguel"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2024"]
[BlackElo "2297"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,125,12,-12,11,19,41,0,42,0,0,-19,-18,-6,-6,-18,-1,-108,-104,-112,-128,-117,-75,-75,-65,-61,-44,-22,-30,-38,16,-50,97,0,83,74,93,49,105,8,3,-30,-33,-85,-79,-73,-56,-56,-39,-108,-108,-107,-101,-118,-116,-114,-115,-73,-78,-198,-161,-268,-265,-244,-267,-254,-35,-19,-33,-29,-43,-158,-31,-32,-29,-40,0,0,8,-26,-26,-26,-26,-26,-26,-26,-26,-152,-214,-349,-314,-270,-116,-517,-375,-4758,-4731,-29991,-29958,-29975,-29976,-29988,-29976,-29989,-29980,-29990,-29980,-29977,-29977,-29977,-29977,-29976]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c4 g6 7. Nc3 Bg7 8. O-O O-O 9. h3 h6 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} 10. Be3 Kh7 {[#]} 11. Bc2 $146 (11. Rc1 $14) ({Predecessor:} 11. Nd5 Ne8 12. d4 exd4 13. Nxd4 Nxd4 14. Bxd4 c6 15. Bxg7 Kxg7 16. Qd4+ Nf6 17. Nxf6 Qxf6 {½-½ (59) Kovanova,B (2343)-Kjartansson,G (2467) Chess.com INT 2020}) 11... Nb4 (11... Nh5 $11) 12. Bb1 (12. d4 $14 {was preferrable.}) 12... c5 $11 13. Ne1 Nh5 14. a3 Nc6 15. Nd5 Be6 16. g4 (16. Nf3 $11) 16... Nf4 $1 $17 17. Nxf4 exf4 18. Bxf4 Bxb2 (18... h5 $142 19. Nf3 Bf6) 19. Ra2 Be5 {Black is more active.} 20. Be3 f5 (20... Bd4 $5 {[%cal Rb7b5]}) 21. exf5 gxf5 22. f4 $1 Bg7 (22... Bd4 $15 23. Bxd4 Nxd4) 23. g5 (23. Rg2 $1 $11) 23... d5 (23... Bf7 $15 {keeps the upper hand.}) 24. Rg2 (24. Bxc5 $16 Rg8 25. Re2 Bd4+ 26. Bxd4 Nxd4 27. Rb2) 24... d4 (24... Nd4 $1 $11 {remains equal.}) 25. Bd2 $16 Bf7 {Inhibits Qh5.} 26. Qf3 (26. Nf3 $16) 26... hxg5 (26... Ne7 $14) 27. Rxg5 (27. fxg5 $16 {aiming for Bf4.} Qd6 28. Qf4 (28. Qxf5+ Bg6 $11) 28... Qxf4 29. Bxf4) 27... Qd7 $11 28. Kh1 Bh6 29. Rg3 ({Better is} 29. Rgg1 $15) 29... Rg8 30. Rfg1 Rxg3 31. Qxg3 Rg8 32. Qf2 (32. Qh4 $15) 32... b5 $17 33. Nf3 {[#]} Rxg1+ 34. Kxg1 bxc4 35. dxc4 Bxc4 36. Ng5+ (36. Qh4 $142) 36... Kg7 37. Nf3 (37. Qg2 $17) 37... Qe6 38. Nh4 (38. Ng5 {was called for.} Qd5 39. h4) 38... Ne7 $19 39. Qg2+ Kf7 40. Qf3 Qf6 $2 (40... Kg8 $19 {Hoping for ...Bg7.} 41. Kf2 Bd5) 41. Qh5+ $15 Ke6 {Threatens to win with ...d3.} 42. Nxf5 $1 Nxf5 {Dancing on a razor blade.} 43. Bxf5+ (43. Qe8+ $1 $15 Kd6 44. Qb8+ Kd7 45. Qb7+ Ke8 46. Qc8+ Kf7 47. Bxf5) 43... Kd6 ({Black should play} 43... Qxf5 $17 44. Qxh6+ Kf7) 44. Qg4 Bd5 {White must now prevent ...c4.} 45. Bc8 $1 {[%csl Gc8][%cal Rg4d7] [#]} Bc6 {To avoid Qd7+. Strongly threatening ...c4.} (45... Be6 $2 46. Qxe6+ Qxe6 47. Bxe6 Kxe6 48. f5+ Kxf5 49. Bxh6 $18) 46. Bxa6 Bd5 47. Bc8 {[%csl Gc8][%cal Rg4d7]} Qg7 $36 {[%mdl 2048] To avoid Qd7+. Black has good play.} 48. Kf2 c4 49. Bb4+ Kc6 50. Qxg7 Bxg7 $11 {[%mdl 4096] Endgame KBB-KBB} 51. Ke2 (51. Bf5 $11) 51... Be4 $17 {[%mdl 1024] Black has strong compensation.} 52. Be6 (52. a4 {keeps fighting.} Bd3+ 53. Kd2) 52... Bd3+ $19 ({Weaker is} 52... c3 53. Bc4 $17) 53. Kd1 ({Of course not} 53. Kd2 Bh6 54. Kd1 Bxf4 $19) 53... c3 (53... Bh6 $19 54. h4 Bxf4) 54. Bb3 $2 {[%mdl 8192] White does not recover from this.} (54. a4 $17 {nothing else works.}) 54... Be4 {And now ...d3 would win.} 55. Bc4 $2 (55. Ke2 Bh6 56. Ba4+ Kc7 57. Kd1) 55... d3 {( -> ...Bf3+)} 56. h4 Bd4 {Black mates.} 57. Bxd3 Bxd3 58. h5 Kb5 59. h6 Ka4 60. f5 Bxf5 61. Ke2 Kb3 62. Kf3 c2 63. Bd2 {Weighted Error Value: White=0.59/Black=0.32} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.28"]
[White "Guerrero Rodriguez, Alejandra"]
[Black "Miranda Llanes, Yerisbel"]
[Result "1-0"]
[ECO "C78"]
[BlackElo "2261"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,61,47,33,36,38,38,37,20,30,35,5,8,10,8,2,-4,-3,0,-18,0,10,0,-29,54,-31,-18,-30,4,-60,-26,-107,-101,-137,-145,-175,0,0,173,183,213,210,869,858,1350,1337,2588,2582,5373,5285,29995,29996]} 1. e4 {Edouard,Romain} e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. a4 $1 {[%mdl 4] And now axb5 would win. is currently scoring better than 7.c3.} Rb8 {[#] C78: Ruy Lopez: Archangelsk and Möller Defences.} (7... Nxe4 $2 8. axb5 Nxf2 9. Qe2 $18 (9. Rxf2 Bxf2+ 10. Kxf2 Nd4 $18)) 8. Nxe5 $1 Nxe5 9. d4 Bxd4 {White is slightly better.} 10. Qxd4 d6 11. f4 Nc6 12. Qc3 Ne7 13. axb5 axb5 {[%cal Ba6b5,Bb5b4][%mdl 32]} 14. e5 Ne4 15. Qf3 Nc5 16. Ba2 {[%cal Of4f5] Black must now prevent f5!} O-O {[#]} 17. Nc3 $146 ({Predecessor:} 17. Be3 Bb7 18. Qh3 Ne4 19. Nc3 Nxc3 20. bxc3 Bd5 21. f5 Bxa2 22. Rxa2 dxe5 23. f6 gxf6 {1-0 (40) Nakamura,H (2736)-Carlsen,M (2863) chess24.com INT 2020 CBM 196 [Edouard,Romain]}) 17... Bb7 ({Black should try} 17... b4 $11 18. Ne2 Qd7) 18. Qh3 (18. Qg4 $1 $14) 18... b4 $1 $15 19. Ne2 Be4 20. e6 (20. f5 $1 $11 b3 21. cxb3) 20... f5 (20... d5 $5 {[%cal Rf7e6]}) 21. Nd4 (21. Be3 $1 $11 {keeps the balance.}) 21... d5 22. Bd2 Rf6 23. Rae1 Nxe6 $2 (23... Rg6 $19 24. Rf2 Qd6) 24. Rxe4 $1 $11 fxe4 (24... dxe4 $11 25. Nxe6 Qxd2 26. Ng5+ b3 27. Qxh7+ Kf8 28. Qh8+ (28. Bxb3 Rxb3 29. Qh8+ Ng8 $11) 28... Ng8 29. Bxb3 (29. Nh7+ Kf7 $11) 29... Rxb3 30. Nh7+ (30. cxb3 Rh6 $11) 30... Kf7 31. Nxf6 Rxb2 32. Qxg8+ Kxf6) 25. Nxe6 $18 Qd7 26. f5 $40 {[%mdl 128] Threatens to win with Nc5. White has strong attack.} c6 $2 (26... Ra8) 27. Qg3 $1 {[%csl Ge6,LRb8,LRg7][%cal Rg3g7]} Qa7+ 28. Be3 {[%csl Ge6][%cal Rg3g7]} Nxf5 {[#]} 29. Rxf5 $1 {[%mdl 512]} Qxe3+ (29... Rxf5 30. Bxa7) 30. Qxe3 {[%cal Oe3a7] White threatens Qa7! and mate.} Rxf5 31. Qa7 {[%csl LRb8,LRg7] Weighted Error Value: White=0.25 (precise) /Black=0.67} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.29"]
[White "Estrada Nieto, Julian"]
[Black "Lopez De Nava Hernandez, Carlos"]
[Result "1-0"]
[ECO "B31"]
[BlackElo "2023"]
[Annotator "NA"]
[PlyCount "85"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:14:19]} c5 {[%emt 0:00:52]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:07]} 3. Bb5 {[%emt 0:00:06]} g6 {[%emt 0:00:38]} 4. Bxc6 {[%emt 0:00:05]} dxc6 {[%emt 0:00:09]} 5. d3 {[%emt 0:00:07]} Bg7 {[%emt 1:31:14]} 6. h3 {[%emt 0:00:23]} e5 {[%emt 0:00:00]} 7. Nc3 {[%emt 0:00:12]} Ne7 {[%emt 0:00:00]} 8. Be3 {[%emt 0:00:33]} b6 {[%emt 0:00:00]} 9. Qd2 {[%emt 0:00:48]} h6 {[%emt 0:00:00]} 10. Nh2 {[%emt 0:03:22]} g5 {[%emt 0:00:00]} 11. Nf1 {[%emt 0:00:30]} f5 {[%emt 0:00:00]} 12. exf5 {[%emt 0:00:18]} Nxf5 {[%emt 0:00:00]} 13. Ng3 {[%emt 0:00:13]} Qc7 {[%emt 0:00:00]} 14. O-O-O {[%emt 0:01:54]} Be6 $16 {[%emt 0:00:00]} 15. Nxf5 {[%emt 0:07:41]} Bxf5 {[%emt 0:00:00]} 16. f3 {[%emt 0:05:30]} O-O-O {[%emt 0:00:00]} 17. Qe2 {[%emt 0:00:55]} Qd7 {[%emt 0:00:00]} 18. Kb1 {[%emt 0:01:57]} Be6 {[%emt 0:00:00]} 19. Bc1 {[%emt 0:07:37]} Rhf8 {[%emt 0:00:00]} 20. Ne4 {[%emt 0:03:08]} a5 {[%emt 0:00:00]} 21. a4 {[%emt 0:27:02]} Bf5 {[%emt 0:00:00]} 22. b3 {[%emt 0:11:11]} Rfe8 {[%emt 0:00:00]} 23. g4 {[%emt 0:00:37]} Bxe4 {[%emt 0:00:00]} 24. dxe4 {[%emt 0:00:14]} Qe7 {[%emt 0:00:00]} 25. Qa6+ {[%emt 0:04:09]} Qb7 {[%emt 0:00:00]} 26. Qxb7+ {[%emt 0:00:37]} Kxb7 {[%emt 0:00:00]} 27. Rxd8 {[%emt 0:00:11]} Rxd8 {[%emt 0:00:00]} 28. h4 {[%emt 0:00:12]} gxh4 {[%emt 0:03:14]} 29. Rxh4 {[%emt 0:00:03]} Rh8 {[%emt 0:00:30]} 30. Rh5 {[%emt 0:01:40]} Kc7 {[%emt 0:01:10]} 31. Bb2 {[%emt 0:02:00]} Rf8 {[%emt 0:00:34]} 32. g5 {[%emt 0:00:25]} Rxf3 {[%emt 0:06:13]} 33. gxh6 {[%emt 0:00:05]} Rf1+ {[%emt 0:00:39]} 34. Ka2 {[%emt 0:00:13]} Bh8 {[%emt 0:00:15]} 35. Bxe5+ {[%emt 0:04:09]} Bxe5 {[%emt 0:00:03]} 36. Rxe5 {[%emt 0:00:04]} Rh1 {[%emt 0:00:30]} 37. Re6 {[%emt 0:00:12]} Kd7 {[%emt 0:00:17]} 38. Rg6 {[%emt 0:00:07]} b5 {[%emt 0:01:14]} 39. axb5 {[%emt 0:00:29]} cxb5 {[%emt 0:00:02]} 40. Ra6 {[%emt 0:00:19]} a4 {[%emt 0:01:07]} 41. bxa4 {[%emt 0:00:07]} bxa4 {[%emt 0:00:12]} 42. h7 {[%emt 0:00:41]} Kc7 {[%emt 0:00:38]} 43. Ra8 {[%emt 0:01:31]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.30"]
[White "Amezcua Luria, Jesus"]
[Black "Flores Guerrero, Jesus Aldair"]
[Result "1/2-1/2"]
[ECO "E16"]
[BlackElo "2251"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,56,18,25,27,28,15,20,11,22,5,28,-8,18,19,22,18,104,119,187,184,193,190,320,313,304,283,283,302,293,270,321,326,324,320,322]} 1. d4 {ChessBase II} Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Qe7 7. O-O Bxd2 8. Qxd2 O-O 9. Nc3 d6 10. Rfe1 Ne4 11. Qd3 Nxc3 12. Qxc3 Nd7 13. e4 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} e5 {[#]} 14. Nh4 $146 ({Predecessor:} 14. d5 a5 15. b3 Nc5 16. Nd2 Bc8 17. f4 Bd7 18. a3 Rfe8 19. b4 axb4 20. axb4 Na4 {1-0 (45) Hamitevici,V (2443)-Donchenko,A (2588) Vandoeuvre 2015 EXT 2017 [ChessBase II]}) 14... g6 15. Rad1 {The position is equal.} a5 16. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Rad8 17. Qe3 c5 18. d5 a4 19. Bh3 b5 (19... Ba6 $11 {keeps the balance.}) 20. cxb5 $16 {White is more active.} Nb6 {[#]} (20... Ra8 $16) 21. b4 $1 $18 Bc8 22. Bf1 g5 {[#]} (22... Nd7 {was called for.} 23. Rc1 Qf6) 23. bxc5 $1 {White has a decisive advantage.} dxc5 24. Nf3 Bg4 25. Rd2 h6 26. h3 Bh5 27. Rc1 Bxf3 28. Qxf3 Qd6 {[%mdl 32768] Weighted Error Value: White=0.06 (flawless) /Black=0.27 (precise) . An unexpected result.} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.31"]
[White "Tapie Amione, Pablo Adib"]
[Black "Martin Del Campo Cardenas, Jorge"]
[Result "1/2-1/2"]
[ECO "B60"]
[WhiteElo "2241"]
[BlackElo "2019"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,51,28,38,19,19,-166,39,43,30,24,35,13,5,21,17,0,25,20,81,89,94,50,89,74,102,68,63,0,0,0,0,-30,-18,-29,-41,-26,-30,-44,-26,-43,-43,-101]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Qb6 7. Bb5 {B60: Sicilian: Richter-Rauzer: Unusual Black 6th moves and 6...Bd7 without 7 Qd2.} Bd7 8. Nb3 {[#]} (8. Bxf6 $11 {and White is okay.} gxf6 9. Nf5) 8... e6 $2 (8... Nxe4 $1 $19 {[%mdl 512]} 9. Nxe4 Qxb5) 9. Bxf6 $14 {White is slightly better.} gxf6 10. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} a6 {[#]} 11. a5 $1 Qc7 {[#]} 12. Bxc6 $146 ({Predecessor:} 12. Be2 Bg7 13. Qd2 Ne7 14. Bd3 Bc6 15. O-O d5 16. Qe2 dxe4 17. Bxe4 f5 18. Bxc6+ Qxc6 {0-1 (109) Sedlak,N (2563)-Lupulescu,C (2592) Pleven 2010}) 12... Bxc6 13. Qh5 O-O-O 14. Nd4 Rd7 {[#]} (14... Be8 $1 $11) 15. O-O $1 $16 ({But not} 15. Nxc6 Qxc6 16. O-O Qc5 $14) 15... Kb8 16. Qe2 {White is much more active. Black has bad knights.} (16. Nxc6+ Qxc6 17. Qh4 Bg7 $11) ({White should play} 16. Rfd1 $16) 16... Bg7 17. Rfd1 ({Much less strong is} 17. Nxc6+ Qxc6 18. Na4 Rdd8 $14) 17... Rg8 {[%cal Of6f5]} 18. Nxc6+ Qxc6 19. Rd4 (19. g3 $1 $14) 19... Rc7 20. Raa4 Qd7 21. Rab4 {Threatens to win with Qxa6.} f5 22. Rd1 Bxc3 23. bxc3 {Qxa6 is the strong threat.} Qc6 24. Rdb1 Kc8 25. Qh5 {[%csl LRf5,LRh7]} Qxc3 26. g3 {Weighted Error Value: White=0.32/Black=0.28 (precise)} (26. exf5 $15 Qxc2 27. fxe6) 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.32"]
[White "Torres Rivas, Felipe De Jesus"]
[Black "Avila Rodriguez, Joshua Ad"]
[Result "0-1"]
[ECO "D47"]
[BlackElo "2182"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,114,20,13,12,13,12,0,0,0,0,0,0,0,0,-35,-15,-18,-24,-15,-18,-45,-18,-31,-16,-30,-29,-18,-6,-6,-8,-18,-3,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-52,0,0,0,0,35,52,33,42,38,-20,-16,-113,-117,-106,-83,-97,-87,-87,-7,0,-8,-44,0,-45,0,0,28,-10,0,-80,8,0,0,-236,-130,-114,-90,-142,-89,-332,-322,-403,-393,-743,-710,-920,-690,-29997,-29998]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Bd3 dxc4 6. Bxc4 b5 7. Bd3 Nbd7 8. O-O Bd6 9. Nc3 O-O 10. b3 Bb7 {D47: Semi-Slav: Meran System.} 11. Bb2 a6 12. Ne4 Nxe4 {The position is equal.} 13. Bxe4 f5 14. Bd3 c5 {[#]} 15. Rc1 $146 ({Predecessor:} 15. a4 cxd4 16. exd4 bxa4 17. Bc4 Qf6 18. Qe2 Rfe8 19. Rxa4 Nb6 20. Ra5 Nd5 21. Bxd5 Bxd5 {½-½ (50) Dambacher,M (2463)-Karjakin,S (2694) Kemer 2007}) 15... cxd4 16. exd4 Bf4 {White must now prevent ...e5.} 17. Rc2 Bd5 18. Bc1 Bd6 19. Re1 Qf6 20. Qe2 Qg6 21. Nh4 Qf7 22. Nf3 Qh5 23. Ne5 Qxe2 24. Rexe2 Nf6 25. f3 Rfb8 26. Bg5 Rb7 27. Re1 h6 28. Be3 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 29. Bd2 a4 30. b4 a3 31. Ng6 Ra4 32. Rb1 Kf7 33. Nf4 (33. Ne5+ $11 Ke7 34. Be2) 33... Bxf4 ({Black should try} 33... g5 $15 34. Ne2 Ra8) 34. Bxf4 $11 Ke7 35. Be5 Nd7 36. Bxg7 {This bishop pair is nice.} Nb8 37. Bxh6 Nc6 $1 38. Bg5+ (38. Bc1 $14) 38... Kf7 39. Rxc6 Bxc6 $17 40. Bd2 Bd5 {[%mdl 1024] Black has strong compensation.} 41. Ra1 Ra8 42. Kf2 Kf6 (42... Rc7 $17) 43. h4 Rh8 44. g3 Kg6 (44... Rc7 $15) 45. Ke3 (45. Rc1 $11) 45... Rc8 (45... Rc7 $15) 46. g4 $11 Kf6 47. Kf2 (47. h5 $5 {[%cal Re3e2]}) 47... Bc4 48. Bc2 (48. Rc1 $11 {keeps the balance.}) 48... Rh7 {Black is more active.} (48... fxg4 $1 $17 {Hoping for ...Bd5.} 49. fxg4 Kg7) 49. Bg5+ Kg6 50. f4 $2 (50. Ke3 $11) 50... Rf7 (50... Bd5 $19 51. Bd3 Rc3) 51. h5+ $17 Kg7 52. h6+ {[#]} ({Better is} 52. Ke3) 52... Kh8 (52... Kh7 $142 $1 {...Bd5 is the strong threat.} 53. Ke3 Bd5) 53. gxf5 $2 {Loses the game.} (53. Ke3 $17) 53... exf5 $19 54. Bd1 {[#]} Bd5 $1 55. Bh5 $2 (55. Bb3 Bxb3 56. axb3 Rc2+ 57. Ke3 Rc3+ 58. Kd2 Rxb3 59. d5) 55... Rc2+ 56. Kg3 Rfc7 {( -> ...R7c3+)} 57. Rg1 R7c3+ {Weighted Error Value: White=0.59/Black=0.20 (precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.33"]
[White "Zacarias, M Ruben D"]
[Black "Munoz Ricardo, Wasdin Antonio"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2174"]
[BlackElo "1745"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,59,45,53,64,28,71,60,97,89,95,97,90,94,108,116,118,59,178,179,237,219,227,205,461,474,785,777,760,771,783,780,832,822,838,822,871,869,935,933,943,939,1059,1039,1056,1047,29973,29974,5539,5346]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O Bc5 {B42: Sicilian: Kan Variation: 5 Bd3.} 8. Kh1 {[#]} h5 $146 (8... d5 $11 {is more appropriate.}) ({Predecessor:} 8... Qh4 9. f4 Nf6 10. Qe1 Qxe1 11. Rxe1 Ng4 12. h3 Nf2+ 13. Kh2 Nxd3 14. cxd3 d5 15. Nd2 {1-0 (35) Mekhitarian,K (2500)-Bernardo Santos,J Caxias do Sul 2010}) 9. e5 $16 Ne7 {White is slightly better.} 10. Nd2 {Strongly threatening Ne4.} d5 {[#] To avoid Ne4} 11. exd6 $1 Bxd6 12. Ne4 Bc7 13. b3 {White is more active.} Nd5 {[#]} 14. Ba3 (14. f4 $1 $16) 14... Be5 (14... f5 $14) 15. c4 $18 Nf4 (15... Ne7 $142 16. Bc2 Ra7 17. Qxd8+ Kxd8) 16. Bc2 {And now Qf3 would win.} Qxd1 17. Raxd1 {[%cal Ba1d1,Bd1d6,Bd6e6,Be6e5,Be5e7][%mdl 32]} Bb7 $2 (17... h4 18. Bc5 a5) 18. Bd6 f5 (18... Ng6 $142 19. Bxe5 Nxe5 20. Nd6+ Ke7 21. Nxb7 g5) 19. Bxe5 {Black must now prevent Nd6+.} fxe4 20. Bxf4 c5 21. Be3 Rc8 22. Rd6 O-O 23. Rxe6 Rc7 24. Rd1 Bc8 25. Re5 Bg4 26. Rd6 a5 27. h3 Bc8 28. Bxe4 {Bd5+ is the strong threat.} a4 29. Bd5+ Rcf7 30. Re7 {Weighted Error Value: White=0.06 (flawless) /Black=0.56} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.34"]
[White "Lopez Gonzalez, Abel Fabian"]
[Black "Jorajuria Mendoza, Algol"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2379"]
[Annotator "RC"]
[PlyCount "81"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:12:34]} d5 {[%emt 0:00:11]} 2. c4 {[%emt 0:00:08]} e6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:08]} Nf6 {[%emt 0:00:07]} 4. cxd5 {[%emt 0:00:05]} exd5 {[%emt 0:00:07]} 5. Bg5 {[%emt 0:00:02]} c6 {[%emt 0:00:12]} 6. e3 {[%emt 0:00:17]} Be7 {[%emt 0:00:24]} 7. Bd3 {[%emt 0:00:14]} Nbd7 {[%emt 0:00:42]} 8. Qc2 {[%emt 0:00:49]} Nh5 {[%emt 0:01:30]} 9. Bxe7 {[%emt 0:00:35]} Qxe7 {[%emt 0:00:07]} 10. O-O-O {[%emt 0:00:47]} Nb6 {[%emt 0:01:44]} 11. h3 {[%emt 0:00:10]} g6 {[%emt 0:01:47]} 12. Nf3 {[%emt 0:01:05]} Be6 {[%emt 0:02:11]} 13. Kb1 {[%emt 0:01:04]} O-O-O {[%emt 0:02:47]} 14. Rc1 {[%emt 0:02:03]} Ng7 {[%emt 0:03:24]} 15. Na4 {[%emt 0:05:18]} Kb8 {[%emt 0:02:36]} 16. Nxb6 {[%emt 0:03:23]} axb6 {[%emt 0:00:11]} 17. g4 {[%emt 0:00:21]} Qd6 {[%emt 0:23:23]} 18. Qb3 {[%emt 0:03:41]} c5 {[%emt 0:10:49]} 19. Bb5 {[%emt 0:05:31]} h5 {[%emt 0:05:00]} 20. Rhg1 {[%emt 0:06:38]} hxg4 {[%emt 0:06:38]} 21. hxg4 {[%emt 0:00:06]} f6 {[%emt 0:07:31]} 22. dxc5 {[%emt 0:04:28]} bxc5 {[%emt 0:00:08]} 23. Qc3 {[%emt 0:00:07]} Rh3 {[%emt 0:09:18]} 24. Be2 {[%emt 0:00:45]} b6 {[%emt 0:06:49]} 25. Qc2 {[%emt 0:05:49]} Nf5 {[%emt 0:04:19]} 26. gxf5 {[%emt 0:10:36]} Bxf5 {[%emt 0:00:07]} 27. Bd3 {[%emt 0:00:06]} Bxd3 {[%emt 0:00:25]} 28. Qxd3 {[%emt 0:00:06]} Rxf3 {[%emt 0:00:03]} 29. Qe2 {[%emt 0:01:38]} Rf5 {[%emt 0:00:23]} 30. Rxg6 {[%emt 0:00:20]} d4 {[%emt 0:00:34]} 31. exd4 {[%emt 0:05:55]} Qxd4 {[%emt 0:00:18]} 32. Qe6 {[%emt 0:00:28]} Qd3+ {[%emt 0:03:53]} 33. Ka1 {[%emt 0:00:06]} Ka7 {[%emt 0:01:37]} 34. Rg7+ {[%emt 0:20:10]} Ka6 {[%emt 0:00:08]} 35. Qe7 {[%emt 0:02:40]} Rf4 {[%emt 0:01:29]} 36. Qb7+ {[%emt 0:07:56]} Kb5 {[%emt 0:00:30]} 37. Rc7 {[%emt 0:01:11]} Rc4 {[%emt 0:01:24]} 38. Qc6+ {[%emt 0:00:35]} Ka6 {[%emt 0:00:04]} 39. Qb7+ {[%emt 0:00:16]} Kb5 {[%emt 0:01:34]} 40. Qc6+ {[%emt 0:01:27]} Ka6 {[%emt 0:00:04]} 41. Qb7+ {[%emt 0:00:20]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.35"]
[White "Martin Del Campo Cardenas, Roberto Abel"]
[Black "Sosa Trani, Luis A."]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2250"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,61,0,29,29,28,32,30,23,58,45,61,48,55,35,61,41,48,35,42,37,58,18,69,71,85,75,85,87,86,59,131,64,66,48,127,122,245,227,379,347,1139,1072,29991,29992]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be2 Nf6 6. Nc3 Bg7 7. Nb3 O-O 8. O-O d6 9. Re1 Be6 10. Bf1 Na5 11. Nd5 {B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3).} Re8 12. Bg5 Bxd5 13. exd5 {[#] White has an edge.} a6 $146 ({Predecessor:} 13... Rc8 14. c3 Nc4 15. Bxc4 Rxc4 16. Qf3 a5 17. Nd2 Rc8 18. Ne4 Nxd5 19. Rad1 Nf6 20. Bxf6 exf6 21. Re3 Re6 22. g4 {½-½ (22) De Toledo,J (2400)-Perelshteyn,E (2360) Mermaid Beach 1997}) 14. Qd2 Nxb3 15. axb3 Qd7 16. c4 Qg4 17. h3 Qf5 18. Bd3 {Prevents Ne4.} Qd7 19. b4 Rac8 20. Re2 Qd8 (20... b5 $11) 21. Rae1 $14 Bh8 22. Qf4 Qd7 23. b3 Bg7 24. Qh4 Bh8 (24... Rb8 $14) 25. Re3 (25. f4 $16) 25... Bg7 26. f4 {[%cal Bf2f4,Bf4f5,Bf5g6][%mdl 32]} Qc7 (26... b5 $14) 27. Kh2 {White is much more active.} Ra8 {A mistake that costs the game.} (27... b5 $16) 28. f5 $18 {Strongly threatening Bh6.} Rac8 $2 (28... a5 29. bxa5 Qxa5 30. Rxe7 Rxe7 31. Rxe7 Qc3) 29. Bh6 {[#] Black must now prevent fxg6.} Bh8 $2 (29... Kh8 30. Rg3 Rf8 31. fxg6 fxg6 32. Bxg6 Bxh6) 30. Rg3 {[%cal Rf5g6]} Qb6 31. fxg6 {Weighted Error Value: White=0.11 (very precise) /Black=0.66} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.36"]
[White "Frey Beckman, Kenneth"]
[Black "Castellanos Hernandez, Emilio Agustin"]
[Result "1/2-1/2"]
[ECO "D38"]
[Annotator "NA"]
[PlyCount "78"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:19]} d5 {[%emt 0:00:19]} 2. d4 {[%emt 0:00:15]} e6 {[%emt 0:00:26]} 3. c4 {[%emt 0:00:11]} Nf6 {[%emt 0:00:18]} 4. Nc3 {[%emt 0:00:15]} Bb4 {[%emt 0:00:52]} 5. Bg5 {[%emt 0:00:17]} O-O {[%emt 0:02:38]} 6. e3 {[%emt 0:01:49]} b6 {[%emt 0:02:42]} 7. cxd5 {[%emt 0:02:18]} exd5 {[%emt 0:00:24]} 8. Ne5 {[%emt 0:03:52]} Qd6 {[%emt 0:08:07]} 9. Bxf6 {[%emt 0:02:54]} Qxf6 {[%emt 0:00:02]} 10. Qb3 {[%emt 0:01:25]} Bxc3+ {[%emt 0:01:43]} 11. bxc3 {[%emt 0:01:17]} Rd8 {[%emt 0:07:55]} 12. Be2 {[%emt 0:02:30]} Nc6 {[%emt 0:01:58]} 13. Nxc6 {[%emt 0:00:58]} Qxc6 {[%emt 0:00:02]} 14. O-O {[%emt 0:00:23]} Qd6 {[%emt 0:19:21]} 15. c4 {[%emt 0:04:21]} Ba6 {[%emt 0:13:58]} 16. Rac1 {[%emt 0:05:34]} c5 {[%emt 0:01:09]} 17. Qa3 {[%emt 0:00:56]} Bxc4 {[%emt 0:01:15]} 18. Bxc4 {[%emt 0:00:15]} dxc4 {[%emt 0:00:06]} 19. dxc5 {[%emt 0:00:16]} Qd3 {[%emt 0:03:14]} 20. Qxd3 {[%emt 0:12:37]} cxd3 {[%emt 0:00:13]} 21. Rfd1 {[%emt 0:00:15]} bxc5 {[%emt 0:07:19]} 22. Rxc5 {[%emt 0:00:10]} Rab8 {[%emt 0:00:10]} 23. Kf1 {[%emt 0:03:52]} h6 {[%emt 0:04:18]} 24. Rc3 {[%emt 0:04:59]} Rb2 {[%emt 0:01:51]} 25. a3 {[%emt 0:00:55]} d2 {[%emt 0:00:29]} 26. Ke2 {[%emt 0:00:18]} Ra2 {[%emt 0:00:09]} 27. e4 {[%emt 0:00:42]} g5 {[%emt 0:01:32]} 28. Ke3 {[%emt 0:06:16]} Kg7 {[%emt 0:02:13]} 29. f4 {[%emt 0:00:41]} gxf4+ {[%emt 0:03:32]} 30. Kxf4 {[%emt 0:00:11]} Rd6 {[%emt 0:00:32]} 31. e5 {[%emt 0:02:10]} Ra6 {[%emt 0:01:45]} 32. Kf5 {[%emt 0:04:17]} R6xa3 {[%emt 0:01:38]} 33. Rxa3 {[%emt 0:00:12]} Rxa3 {[%emt 0:00:01]} 34. Rxd2 {[%emt 0:00:10]} Ra1 {[%emt 0:03:03]} 35. h4 {[%emt 0:02:57]} a5 {[%emt 0:02:38]} 36. Rd6 {[%emt 0:02:38]} Rg1 {[%emt 0:01:55]} 37. Rd2 {[%emt 0:00:34]} Ra1 {[%emt 0:01:09]} 38. Kg4 {[%emt 0:01:15]} Re1 {[%emt 0:00:32]} 39. Rd5 {[%emt 0:00:18]} Re4+ {[%emt 0:00:28]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.37"]
[White "Zacarias Rodriguez, Santiago"]
[Black "Blanco Fernandez, Alvaro"]
[Result "1-0"]
[ECO "B60"]
[BlackElo "2216"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,128,42,45,77,40,39,25,104,97,106,62,77,59,118,117,136,124,111,117,141,138,141,141,158,147,142,131,140,129,133,69,127,125,133,124,124,129,138,135,160,133,132,127,165,162,165,167,158,131,145,140,140,137,179,180,191,191,218,186,218,217,225,196,190,195,204,194,193,192,228,237,234,235,216,177,222,200,258,282,257,144,158,158,224,223,235,234,223,219,216,193,227,0,233,216,231,230,228,217,289,194,161,0,288,277,266,255,368,316,1163,1089,1369,1306,6141,11356,29995]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 a6 7. Qd2 Nxd4 8. Qxd4 e5 {B60: Sicilian: Richter-Rauzer: Unusual Black 6th moves and 6...Bd7 without 7 Qd2.} 9. Qd3 Be6 {[#]} 10. Bxf6 $146 ({Predecessor:} 10. Be2 Rc8 11. O-O Be7 12. Rfd1 Rc6 13. Be3 Qc8 14. Rac1 O-O 15. Bf3 b5 16. Qd2 {½-½ (88) Liberzon,V (2455)-Ostojic,P (2385) Berlin West 1987}) 10... gxf6 (10... Qxf6 $11 11. Nd5 Qd8) 11. Be2 Rg8 12. Bf3 ({Better is} 12. g3 $16) 12... Rc8 $14 13. Nd5 Be7 (13... Bxd5 $14 14. exd5 f5) 14. O-O $16 Rc6 15. Rfd1 Qc8 16. Ne3 {White is more active.} Kf8 17. c3 Rg5 18. g3 Rc5 19. Bg2 Rg8 20. Qe2 Kg7 21. Rf1 Kh8 22. Rac1 (22. a3 $16) 22... b5 ({Black should play} 22... Bxa2 $14 23. Bh3 Be6) 23. Ra1 Bf8 24. Qf3 Rg6 25. Rfd1 Be7 26. Nf5 Bxf5 27. Qxf5 Qxf5 28. exf5 Rg4 29. Bd5 $1 Kg8 30. f3 Rg5 31. Be4 Kh8 32. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Rg8 33. Rd5 Rxd5 (33... Rb8 $16 {was called for.}) 34. Bxd5 {[%mdl 4096] Endgame KRB-KRB} Rb8 {[#]} 35. b4 $1 (35. Bxf7 a5 36. axb5 Rxb5) 35... Bd8 36. a5 (36. Bxf7 $6 a5 $16) 36... Kg8 37. Kf1 Kf8 38. Ra3 Be7 39. Ke2 Ke8 40. Kd3 Bf8 41. Ra2 Kd7 42. Re2 (42. Bxf7 $6 Kc6 43. Ke4 Rc8) 42... Bh6 43. Re4 {Rh4 is the strong threat.} (43. Bxf7 $6 Rb7 44. Bd5 Rc7) 43... Bg5 {To avoid Rh4} 44. Kc2 Ke7 (44... Rc8 $142 45. f4 (45. Bxf7 Rc7 $16) (45. Bb7 Rb8 $16) 45... exf4) 45. Kb3 Bd2 46. Re2 Bg5 {[#]} 47. Rc2 (47. c4 $1 $18 {[%cal Rc4b5]}) 47... Be3 48. Ka3 h5 (48... Rc8 $16 49. Kb3 (49. Bb7 Rb8 $16) 49... Rb8) 49. Kb3 $18 Bg1 50. Rg2 Be3 51. h4 Rg8 52. Bb7 Kd7 53. Bd5 $2 (53. Bxa6 $18 Rb8 54. c4 bxc4+ 55. Kxc4 (55. Bxc4 Bc5 $18)) 53... Rg7 $2 (53... Ke7 $1 $11) 54. Kc2 Kc7 55. Kd3 Bf4 56. g4 Bh6 57. Ke2 Bf4 58. Kd3 (58. Kd1 $142) 58... Bh6 $1 59. c4 {Strongly threatening cxb5.} bxc4+ 60. Kxc4 ({Don't play} 60. Bxc4 $6 hxg4 61. fxg4 Kb7 62. Bd5+ Kc7 $18) 60... Be3 (60... hxg4 {was necessary.} 61. fxg4 Rh7) 61. Kd3 Bf4 (61... Ba7 62. Rc2+ Kb8 63. gxh5 Rh7) 62. Rc2+ {White is clearly winning.} Kd7 63. b5 {[%cal Bb4b5,Bb5a6][%mdl 32]} hxg4 64. bxa6 {White threatens Rb2 and mate.} Ke8 {Weighted Error Value: White=0.17 (very precise) /Black=0.26 (precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.38"]
[White "Chinchilla Miranda, Eugenio"]
[Black "Santanna, Paulo"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2193"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,77,0,0,0,9,0,4,0,0,0,16,24,19,4,7,13,33,31,26,23,58,26,23,0,0,0,0,0,0,-35,-24,-30,17,18,23,9,21,27,79,89,83,48,52,40,81,85,87,72,74,76,166,165,159,158,164,137,137,138,130,125,163,134,591,587,592,532]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d5 6. e5 Ne4 7. Bd3 c5 $1 {White must now prevent ...Nc6.} 8. Nf3 {And now 0-0 would win. E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} cxd4 9. Nxd4 Nd7 10. Bf4 {The position is equal.} Ndc5 {[%cal Od5c4]} 11. O-O {[%cal Rd3e4]} Nxd3 (11... Bxc3 $5 12. bxc3 Nxd3 13. Qxd3 b6 $11) 12. Qxd3 Bxc3 13. bxc3 b6 14. cxd5 Qxd5 15. Rfd1 Bb7 {[%cal Oe4c3] [#] ...Nxc3! is the strong threat.} 16. c4 Qd8 17. Qe3 {[%cal Od4e6]} (17. f3 $5 {[%cal Rf3e4]} Nc5 18. Qe3 $14) 17... Qh4 {[#]} 18. Ne2 $146 ({Predecessor:} 18. f3 Nc5 19. Bg5 Qh5 20. Nb5 f6 21. Bf4 g5 22. Bg3 f5 23. Bf2 g4 24. f4 {1-0 (37) Holt,C (2529)-Matko,O (2305) Chess.com INT 2015}) 18... h6 19. Rd4 Nc5 20. Rad1 Rad8 21. f3 Rxd4 22. Qxd4 (22. Nxd4 {is interesting.} Rd8 23. Bg3 Qg5 24. Bf4 Qe7 25. Rd2) 22... g5 (22... Ba6 $142) 23. Be3 $11 Qxd4 24. Rxd4 Rc8 25. h4 f6 (25... gxh4 $11 {remains equal.} 26. Kh2 (26. Rxh4 Nd3 $15) (26. Bxh6 h3 $11) 26... Bc6) 26. exf6 $16 Kf7 27. hxg5 hxg5 28. Rg4 Kxf6 (28... Rg8 $14) 29. Bxg5+ Kf7 30. Rf4+ Kg6 31. Be7 e5 (31... Nd7 $16) 32. Rf6+ $18 Kg7 {[#] aiming for ...Re8.} 33. Ng3 Ba6 34. Nf5+ Kg8 35. Nd6 {White is more active.} Rc6 36. Rf8+ Kg7 37. g4 Bxc4 $2 {[%mdl 8192]} (37... Nd3 $16) 38. Nxc4 Nd7 39. Rd8 {Weighted Error Value: White=0.07 (flawless) /Black=0.31} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.39"]
[White "Hernandez Jimenez, Alexander Andres"]
[Black "Flores Irurso, Paul Josue"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2167"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,128,0,-4,8,0,54,0,0,0,0,-11,-8,-14,9,0,5,0,17,17,20,18,15,22,14,17,39,36,47,38,59,70,62,62,71,62,57,48,40,55,64,64,64,64,64,64,97,93,117,107,120,120,141,131,151,150,146,130,153,145,202,216,180,176,379,364,495,493,422,246,441,434,479,425,445,425,434,391,403,182,222,202,186,0,0,0,0,-1,137,0,0,-81,-86,-79,-41,-50,1143,1192,935,812,1239,1196,1637,1893,4690,4079,5980,5980,29979,29982,29982,29983,29983,29984,29984,29985,29991,29992,29992]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 a6 6. Ba4 b5 7. Bc2 d5 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} 8. d4 {[#]} Nf6 $146 (8... cxd4 $11 9. Nxd4 Nxd4 10. cxd4 dxe4) ({Predecessor:} 8... cxd4 9. exd5 Qxd5 10. Bb3 Qd6 11. Ng5 Nh6 12. Ne4 Qd7 13. Qf3 Ne5 14. Nf6+ exf6 15. Qxa8 {1-0 (29) Nadzamova,V (2034)-Kapec,K (1807) Slovakia 2020}) 9. exd5 (9. Ne5 $1 $14 Bb7 10. Nxc6 Bxc6 11. e5) 9... Qxd5 $11 {The position is equal.} 10. dxc5 Qxc5 11. Be3 {[%cal Bc1e3,Be3d4,Bd4e5][%mdl 32]} Qh5 12. Nd4 {Qxh5 is the strong threat.} Qxd1 13. Rxd1 Nxd4 14. Bxd4 Bb7 15. a4 O-O 16. axb5 axb5 17. Na3 {[%cal Bb1a3,Ba3c2,Bc2b4][%mdl 32]} Bc6 18. Bd3 {[%cal Bc2d3,Bd3e2,Be2f3][%mdl 32]} Rab8 19. Be5 Rb7 20. Nc2 Rc8 21. Nb4 Be8 {[%cal Of6d5]} 22. Be2 Nd7 {[#]} 23. Bf3 $1 {White is much more active.} Rb6 24. Bxg7 Kxg7 25. Ra7 Ne5 26. Rxe7 Nxf3+ 27. gxf3 Rf6 28. Kg2 Kf8 29. Re5 h5 30. Rd4 Kg7 31. f4 Ra8 32. h4 Rb8 33. Kf3 Rfb6 34. Ke3 R6b7 35. Rd6 Rc8 (35... Rd7 $16 {might work better.} 36. Ra6 Rd1) 36. Nd5 $18 Kf8 37. f5 {[%cal Bf4f5,Bf5f6][%mdl 32]} Kg7 $2 (37... Bc6 38. fxg6 Bxd5) 38. f6+ Kf8 39. Re7 Rbb8 40. Nb6 {To avoid Rc4} (40. Nc7 $142 b4 41. c4 (41. Nxe8 Rxe8 42. Rxe8+ Kxe8 $16)) 40... Rd8 $2 (40... Rc5 {was called for.} 41. Kf4 Kg8) 41. Nd7+ Rxd7 42. Rdxd7 Bxd7 43. Rxd7 {[%mdl 4096] Endgame KR-KR} Ke8 44. Re7+ Kf8 45. Kd4 (45. Rc7 $142 Ke8 46. Kf4) 45... Rb6 46. Ke5 Rc6 47. Rb7 $2 (47. f4 $1 $18) 47... Re6+ $11 48. Kd4 {Hoping for Rb8+.} Rxf6 49. Rxb5 {Threatens to win with c4.} Rxf2 {[#]} (49... Rf4+ $1 $11 {keeps the balance.} 50. Ke3 Rxh4) 50. b4 ({Only move:} 50. c4 $1 $16) 50... Rf4+ 51. Ke3 (51. Kd3 $11 {remains equal.}) 51... Rxh4 $17 52. Rc5 Ke7 53. Rc7+ Ke8 $2 {[%mdl 8192] Loses the game.} (53... Kf6 $15) 54. b5 $18 {[%cal Bb4b5,Bb5b6][%mdl 32]} Kd8 {[#]} 55. b6 $1 {aiming for Rc5.} Rh1 56. c4 {[%cal Bc3c4,Bc4c5][%mdl 32]} ({Not} 56. Rxf7 Rb1 $11) 56... Rb1 57. c5 h4 58. Rxf7 {White wants to mate with b7.} Kc8 {To avoid b7+} 59. Kd4 {White threatens Kd5 and mate.} g5 60. Kd5 {White mates.} h3 61. Kc6 {[%cal Rf7f8]} Kd8 62. Rh7 g4 63. Kb7 g3 64. c6 Rc1 {Weighted Error Value: White=0.19 (very precise) /Black=0.44} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.40"]
[White "Real Pereyra, Jeronimo"]
[Black "Lopez Padilla, Piero Raul"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2147"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,121,22,28,24,35,2,14,16,17,15,14,15,24,20,29,22,45,4,65,0,0,-10,-10,-39,-39,-39,-39,-39,-31,-39,-39,-39,-38,-41,-40,-53,-32,-68,-31,-28,0,-60,-45,-48,-47,-41,-41,-59,-27,-29,-28,-17,-9,-2,-9,-9,-2,-2,-2,-31,-9,-9,0,0,0,0,0,-2,-2,-9,-9,-9,-2,-2,-2,-2,0,0,0,-2,0,-2,0,-16,-2,-72,-78,-74,-87,-63,-61,-58,-54,-117,-7,-63,-16,-93,0,-49,0,-59,-31,-114,0,-106,0,-78,0,-138,0,-163,-71,-334]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Ba4 Ngf6 5. O-O e5 6. d3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} Be7 {[#]} 7. Bg5 $146 ({Predecessor:} 7. c4 O-O 8. h3 Nb6 9. Bc2 h6 10. Nc3 Nh7 11. a3 f5 12. b4 f4 13. Bb2 {1-0 (48) Dragun,K (2594)-Iniyan,P (2451) Biel 2018}) 7... h6 8. Bxf6 {The position is equal.} Bxf6 9. Nc3 O-O 10. Bb3 Nb6 {[%cal Bd7b6,Bb6c8,Bc8e7,Be7c6][%mdl 32]} 11. a4 Be6 12. a5 Nc8 13. a6 (13. Nd5 $14) 13... Rb8 (13... b6 $1 $11) 14. Bc4 {White is more active.} (14. axb7 $14 Rxb7 15. Nd2) 14... b6 $11 15. b3 Ne7 16. Bxe6 fxe6 17. Nb5 Qd7 18. c4 Nc6 19. Ne1 Rf7 20. Nc2 Rbf8 21. Qh5 Kh7 22. g3 Bg5 23. Kg2 Qe7 24. Qe2 Qd7 25. f3 (25. Qh5 $11) 25... Bd8 26. Rf2 g6 27. Raf1 Bg5 28. h4 Bd8 29. Qe3 Be7 30. f4 Kg7 31. fxe5 {Strongly threatening Rxf7+.} Rxf2+ 32. Rxf2 Rxf2+ 33. Qxf2 dxe5 34. Ne1 Qc8 (34... Bd6 {seems wilder.} 35. Nc2 Bb8 36. Qf3 Na5 37. Ne3 Qd8) 35. Qa2 $1 Nb4 36. Qa1 Qb8 37. Nf3 Bf6 ({But not} 37... Nxd3 38. Qc3 Nb4 39. Nxe5 $14) 38. Ne1 Nc6 39. Kf2 Qd8 40. Ke2 Qd7 41. Nc2 Qe7 42. Qh1 Na5 43. Qb1 Nc6 44. Qf1 Na5 45. Qb1 Nc6 46. Kd2 h5 47. Kc3 {[#]} (47. Qd1 $11) 47... g5 $1 $17 48. hxg5 Bxg5 49. Qd1 Kg6 50. Qf1 Nb8 $1 51. Kb2 (51. Qa1 $1 $15) 51... Kg7 ({Black should play} 51... Nxa6 $17 {aiming for ...Nb4.} 52. Ne1 Nb4) 52. Qa1 (52. Qh3 $1 $11) 52... Nc6 (52... Bh6 $15 {might be stronger.}) 53. Qe1 (53. Qh1 $1 $11) 53... Nb8 (53... Qf7 $17 {And now ...Qf3 would win.} 54. Qe2 Bh6) 54. Qa1 $1 $15 Nc6 (54... Bh6 $15) 55. Qd1 (55. Qe1 $11) 55... Kg6 56. Qe1 (56. Qh1 $15) 56... Nb8 ({Black should try} 56... Qf7 $17 {Threatens to win with ...Qf3.} 57. Qh1 Nb8) 57. Qa1 (57. Qf1 $1 $11 {was the only way to keep the balance.}) 57... Nc6 58. Qe1 $1 Nb8 (58... Bh6 $17 59. Qf1 Nb8) 59. Qa1 (59. Qf1 $11 {remains equal.}) 59... Nc6 (59... Qf7 $17 60. Nd6 Qf2) 60. Nc3 $2 {[#]} (60. Qe1 $1 $11 {and White stays safe.}) 60... Qf7 (60... Qf8 $1 $19 {[%cal Rf8f2] Hoping for ...Qf2.} 61. Ne2 Qf2) 61. Qe1 $2 {[%mdl 40960] Weighted Error Value: White=0.29 (precise) /Black=0.24 (precise) . An unexpected result.} (61. Qa4 $17 {was the only defense.} Nd4 62. Nxd4 exd4 63. Ne2) 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.41"]
[White "Guevara Sanchez, Erick Marvin"]
[Black "Paredes Guzman, Francisco Javier"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2145"]
[BlackElo "1891"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,108,-5,-15,25,-34,-26,-29,-25,-42,-44,-50,-45,-53,-43,-96,-91,-105,-108,-105,0,0,0,0,1,0,0,-1677,11,3,30,-139,0,-32,714,0,0,0,0,0,0,0,0,0,0,0,0,0,70,0,0,0,75,82,147,133,154,138,279,98,89,26,62,62,92,62,38,42,36,18,17,15,15,16,16,25,50,17,18,43,498,445,381,0,0,0,0,0,947,14,364,0,1396,1110,818,564,12837,0,0,0,0]} 1. g3 g6 2. Bg2 Bg7 3. f4 d5 4. Nf3 Nf6 5. d3 O-O 6. O-O Nbd7 {A03: Bird's Opening with 1...d5.} 7. Qe1 (7. Nc3 $11) 7... Re8 $15 {[%cal Bf8e8,Be8e5,Be5h5,Bh5h3][%mdl 32]} 8. Nc3 {[#]} e5 $146 {Black has an edge.} ({Predecessor:} 8... c6 9. e4 e5 10. Nxe5 Nxe5 11. fxe5 Rxe5 12. Kh1 dxe4 13. dxe4 Ng4 14. h3 Rh5 {0-1 (41) Butkiewicz,L (2432)-Sosna,J (2367) Czech Republic 2014}) 9. fxe5 Nxe5 10. Nxe5 Rxe5 11. Bf4 Rh5 12. Nb5 (12. d4 $15) 12... Bh3 13. Bxh3 ({Don't blunder} 13. Nxc7 $2 Bxg2 14. Kxg2 Rc8 $19) (13. Bxc7 $2 Qd7 14. Bxh3 Qxb5 $19) 13... Rxh3 14. Bg5 c6 (14... Rh5 $1 $17 {[%cal Rh5g5]} 15. Bxf6 Bxf6) 15. Qf2 $36 {[%csl LRa7,LRf6][%mdl 2048] White is more active.} cxb5 16. Bxf6 Bxf6 17. Qxf6 Qxf6 18. Rf2 $2 {[%mdl 8192]} (18. Rxf6 $11 Re8 19. Re1) 18... Qf4 $2 19. Rxf4 {[%mdl 4096] Endgame KRR-KRR} Rc8 20. Rf6 $2 (20. c3 $11) 20... d4 ({Black should play} 20... Rxc2 $17 21. Rf2 Rh5) 21. c3 Rh4 $2 {[%mdl 8192]} 22. Rc1 $2 ({Only move:} 22. gxh4 $18 dxc3 23. bxc3) 22... Rh5 23. c4 bxc4 24. Rxc4 Rxc4 25. dxc4 {KR-KR} Ra5 26. a3 Ra4 27. c5 Rc4 28. b4 Rc2 (28... Kf8 $11) 29. Kf1 (29. Rd6 $1 $14) 29... Rc3 30. Rf3 {Strongly threatening Rxc3.} Rc4 (30... Kg7 $11 {remains equal.}) 31. Ke1 $1 $16 a5 (31... Rc1+ $142 32. Kd2 Ra1) 32. Rb3 a4 33. Rf3 Rc2 (33... Rc1+ $16 {might work better.} 34. Kd2 Ra1) 34. Rd3 $2 (34. Rf6 $1 $18 {is the precise move to win.}) 34... Ra2 35. Kd1 ({Better is} 35. Rxd4 $16 {aiming for Rd7.} Rxa3 36. Rd7) 35... Kf8 36. Rxd4 Rxa3 37. Rd7 Rb3 (37... Ra1+ $2 38. Kc2 $18) 38. Rxb7 a3 39. Ra7 {Threatens to win with c6.} (39. Kd2 {with more complications.} Ke8 40. c6 Kd8 41. Ra7 h5 42. b5) 39... Rxb4 40. Rxa3 Rc4 41. Ra5 Ke7 42. Kd2 Ke6 43. Kd3 Rc1 44. Ra6+ Kd5 $2 {[%mdl 8192]} (44... Ke5 $14) 45. Rf6 $18 Rh1 46. Rxf7 $2 ({White should try} 46. c6 $18) 46... Rxh2 $11 47. Rc7 {Black must now prevent e4+.} Rh3 48. e4+ Ke5 $2 {[%mdl 8192]} (48... Ke6 $11) 49. Re7+ $1 $18 Kf6 {[#]} 50. Rd7 (50. Re8 $1 $18 {Hoping for c6.} Kf7 51. Re5 Rxg3+ 52. Kd4) 50... Ke6 $2 {[%mdl 8192]} (50... Rxg3+ $11 51. Kd4 Rg1 52. Rxh7 Rd1+ 53. Kc4 g5) 51. Rd6+ Ke7 52. Kd4 Rxg3 {[#]} 53. Ra6 $2 (53. Rd5 $1 $18 {And now c6 would win.} Ra3 54. c6 Ra4+ 55. Kc5 Rxe4 56. Rd7+ (56. c7 Re1 $18) 56... Ke8 57. Rd6 (57. Rxh7 Kd8 $11)) 53... h5 $11 54. Ra7+ Ke6 {A wild game.  Weighted Error Value: White=0.77/Black=0.63} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.42"]
[White "Garcia de Dios, Jose Antonio"]
[Black "Encinas Varela, David"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "2145"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,75,12,35,-3,-3,-66,-71,-93,-81,-70,0,0,0,0,0,-84,-84,-161,-164,-408,-415,-29976,-29977,-29977,-29978,-29978,-29979,-29973,-29967,-29982,-29983,-29983,-792,-788,-783,-827,-809,-833,-833,-826,-820,-813,-813,-781,-661,-869,-843,-1462,-979,-1579,-1606,-1049,-966,-912,-894,-747]} 1. d4 {Huzman,A} Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nc6 7. O-O e5 8. d5 Ne7 9. b4 Ne8 10. c5 f5 11. Ng5 Nf6 {was the old line (11...h6).} 12. cxd6 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1.} cxd6 13. Bf3 (13. exf5 $1 $11 Nxf5 14. Rb1) 13... h6 $1 $15 14. Ne6 {Black is better.} Bxe6 15. dxe6 {[#]} d5 $146 ({Black should try} 15... fxe4 $15 16. Nxe4 Nxe4 17. Bxe4 d5) ({Predecessor:} 15... fxe4 16. Bxe4 d5 17. Bc2 Qb6 18. Bb2 Qxe6 19. Re1 Kh7 20. Nb5 Qb6 21. Rxe5 Nc6 {0-1 (40) Lauber,A (2416)-Vajda,L (2459) Gyula 2000 CBM 076 [Huzman,A]}) 16. exd5 $11 {aiming for d6.} ({Of course not} 16. Nxd5 Nfxd5 17. exd5 e4 $15) 16... e4 $36 {[%cal Rf6d5,Be5e4,Be4f3,Bf3g2][%mdl 2080] Black is more active.} 17. d6 exf3 18. dxe7 (18. Bf4 $1 $11 {remains equal.}) 18... Qxe7 $17 {Hoping for ...fxg2. Black continues to play with concentration.} 19. Rb1 (19. gxf3 $17 Qxe6 20. Rb1) 19... fxg2 $19 ({Weaker is} 19... Qxe6 20. Qxf3 Rad8 21. h3 $15) 20. Re1 {[#]} (20. Kxg2 {was the only chance.} Qxe6 21. Qb3 Qxb3 22. Rxb3) 20... Ng4 $1 {White must now prevent ...Qh4.} 21. Nd5 (21. Qf3 $19 Qc7 22. Bf4 Qxc3 23. Qxg2) 21... Qh4 $1 {[%csl Gg4,LRf2,LRh2][%cal Rh4f2]} 22. Qxg4 fxg4 {[%csl Gf8][%cal Rh4f2]} 23. Bf4 {[#]} Rxf4 $1 24. Nxf4 Bd4 {[%csl Gd4][%cal Rh4f2]} 25. Nxg2 Bxf2+ 26. Kh1 Bxe1 27. Nxh4 {Black is clearly winning.} Bxh4 {[%mdl 4096] Endgame KRB-KR} 28. Rc1 Re8 29. Rc4 h5 30. h3 Rxe6 31. hxg4 hxg4 32. Rxg4 g5 33. Rc4 Kf7 34. a4 Kf6 35. Kg2 Rc6 36. Rd4 Rc7 37. Kh3 Ke5 38. Rd3 {Weighted Error Value: White=0.95/Black=0.46} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.43"]
[White "Montes Orozco, Miguel Angel"]
[Black "Pla Montero, Silvio"]
[Result "1-0"]
[ECO "D37"]
[Annotator "NA"]
[PlyCount "39"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:01:09]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:24]} e6 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:29]} Nf6 {[%emt 0:00:09]} 4. Nf3 {[%emt 0:00:06]} Be7 {[%emt 0:00:10]} 5. Bf4 {[%emt 0:01:06]} O-O {[%emt 0:00:16]} 6. e3 {[%emt 0:00:08]} c5 {[%emt 0:00:50]} 7. dxc5 {[%emt 0:00:08]} Bxc5 {[%emt 0:00:01]} 8. Qc2 {[%emt 0:00:17]} Nc6 {[%emt 0:00:15]} 9. a3 {[%emt 0:00:07]} Qa5 {[%emt 0:01:27]} 10. O-O-O {[%emt 0:02:15]} Be7 {[%emt 0:04:22]} 11. g4 {[%emt 0:10:14]} dxc4 {[%emt 0:15:00]} 12. Bxc4 {[%emt 0:01:33]} e5 {[%emt 0:38:04]} 13. g5 {[%emt 0:18:35]} exf4 {[%emt 0:00:07]} 14. gxf6 {[%emt 0:00:06]} Bxf6 {[%emt 0:00:01]} 15. Ne4 {[%emt 0:15:47]} Be7 {[%emt 0:01:05]} 16. Rd5 {[%emt 0:02:26]} Qc7 {[%emt 0:05:11]} 17. Rg1 {[%emt 0:01:20]} g6 {[%emt 0:23:24]} 18. Rh5 {[%emt 0:07:48]} Kh8 {[%emt 0:03:44]} 19. Qc3+ {[%emt 0:01:12]} Kg8 {[%emt 0:02:22]} 20. Rxg6+ {[%emt 0:00:07]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.44"]
[White "Martinez De La Trinidad, Alexandra"]
[Black "Davalos Prieto, Abel Justo"]
[Result "1/2-1/2"]
[ECO "E05"]
[BlackElo "2103"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,72,0,0,-26,31,10,31,-19,27,30,29,-9,-27,-25,-17,-57,-60,-55,-50,-165,-112,-147,-151,-155,-150,-136,-139,-187,-172,-187,-176,-216,-231,-311,-319,-318,-315,-554,-580,-583,-592,-580,-590,-561,-565,-489,-204,-201,396,-30,-28,-28,-28,-35,-35,-36,-36,-36,-37]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. Qc2 {E05: Open Catalan: 5 Nf3 Be7.} Rb8 (9... Qxd4 $11 10. Be3 Qe5) 10. Rd1 $14 {[%mdl 1024] White has compensation.} Ba6 {[#]} 11. e4 $146 ({White should play} 11. b3 $14) ({Predecessor:} 11. Bxc6 Qd6 12. Bg2 Qb6 13. Nc3 Rfd8 14. Na4 Qb5 15. Bf4 Bd6 16. Bd2 c3 17. Nxc3 Qxb2 {½-½ (83) Tsydypov,Z (2565)-Svane,R (2615) Lichess.org INT 2021}) 11... Qc8 (11... c5 {deserves consideration.} 12. d5 (12. dxc5 Qe8 $11) 12... exd5) 12. Nd2 $11 c5 13. d5 exd5 14. exd5 Qg4 15. Bf3 Qg6 16. Qxg6 hxg6 17. Nf1 {[#]} ({Better is} 17. Be2 $15) 17... Bd6 (17... Ne8 $1 $19 18. Bd2 (18. Re1 Bf6 $17) 18... Rxb2) 18. Bd2 Rxb2 19. Bc3 {Prevents Be5.} Rbb8 20. Nd2 Rfe8 21. Re1 (21. Bg2 $17 {might work better.}) 21... Kf8 22. Rac1 Nd7 {[%cal Bf6d7,Bd7b6,Bb6a4,Ba4c3][%mdl 32]} 23. Be2 Nb6 24. Bf3 Rxe1+ 25. Rxe1 Na4 26. Rc1 (26. Ne4) 26... Nxc3 $19 27. Rxc3 Be5 28. Rc1 c3 29. Nb3 Bd4 30. Kg2 Bd3 (30... Ke7 $142 31. Be4 Kd6) 31. Nxc5 {And now Nd7+ would win.} Bb1 $4 {[%mdl 8192] A strong pair of Bishops.} ({Weaker is} 31... Bxc5 32. Rxc3 Rb1 33. Rxd3) (31... Bf5 $19 {avoids the disaster.} 32. Nb3 Bf6) 32. Nb3 {[#]} (32. Nd7+ $18 Ke8 33. Nxb8) 32... Rxb3 $1 $11 33. axb3 c2 {Strongly threatening ...Bb2.} 34. Be4 Bb2 {Black is slightly better.} 35. Rxc2 Bxc2 36. Bxc2 Ke7 {Black had all chances to win.  Weighted Error Value: White=0.47/Black=0.45} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.45"]
[White "Lopez Garcia, Miguel Angel"]
[Black "Martinez Morales, Geovanni"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "1710"]
[BlackElo "2098"]
[Annotator "NA"]
[PlyCount "39"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:33]} e6 {[%emt 0:00:10]} 2. d4 {[%emt 0:00:09]} d5 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:04]} Bb4 {[%emt 0:00:12]} 4. e5 {[%emt 0:00:05]} c5 {[%emt 0:00:22]} 5. a3 {[%emt 0:00:06]} Bxc3+ {[%emt 0:00:05]} 6. bxc3 {[%emt 0:00:04]} Ne7 {[%emt 0:00:17]} 7. Qg4 {[%emt 0:01:09]} Qc7 {[%emt 0:00:08]} 8. Qxg7 {[%emt 0:00:05]} Rg8 {[%emt 0:00:09]} 9. Qxh7 {[%emt 0:00:04]} Nbc6 {[%emt 0:00:27]} 10. Ne2 {[%emt 0:01:24]} cxd4 {[%emt 0:00:23]} 11. f4 {[%emt 0:00:16]} dxc3 {[%emt 0:00:29]} 12. Qd3 {[%emt 0:00:28]} Bd7 {[%emt 0:00:16]} 13. Qxc3 {[%emt 0:17:32]} Nf5 {[%emt 0:01:45]} 14. h3 {[%emt 0:08:03]} d4 {[%emt 0:12:10]} 15. Qd3 {[%emt 0:04:44]} O-O-O {[%emt 0:00:45]} 16. g4 {[%emt 0:03:55]} Nh4 {[%emt 0:04:02]} 17. Qg3 {[%emt 0:00:55]} Qa5+ {[%emt 0:02:31]} 18. Kf2 $14 {[%emt 0:09:20]} Rh8 {[%emt 0:13:33]} 19. Bb2 {[%emt 0:10:26]} Qd5 {[%emt 0:11:42]} 20. Rh2 {[%emt 0:41:08]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.46"]
[White "Ruiz Perez, Juan Octavio"]
[Black "Cordero Jimenez, Alexander"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2074"]
[BlackElo "1597"]
[Annotator "ChessBase"]
[PlyCount "91"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} d6 {[%emt 0:00:31]} 2. d4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:10]} 3. Nc3 {[%emt 0:00:07]} e5 {[%emt 0:00:10]} 4. Nf3 {[%emt 0:00:32]} Nbd7 {[%emt 0:00:17]} 5. Bc4 {[%emt 0:00:36]} Be7 {[%emt 0:00:31]} 6. O-O {[%emt 0:01:06]} O-O {[%emt 0:00:37]} 7. Re1 {[%emt 0:00:29]} c6 {[%emt 0:00:18]} 8. a4 {[%emt 0:00:22]} Qc7 {[%emt 0:00:26]} 9. h3 {[%emt 0:04:07]} a5 {[%emt 0:03:28]} 10. Ba2 {[%emt 0:00:55]} h6 {[%emt 0:00:12]} 11. Be3 {[%emt 0:00:42]} Re8 {[%emt 0:01:12]} 12. Nh4 {[%emt 0:09:40]} Nf8 {[%emt 0:02:06]} 13. Qf3 {[%emt 0:06:19]} Bd8 {[%emt 0:13:34]} 14. d5 {[%emt 0:13:36]} Nxd5 {[%emt 0:09:32]} 15. exd5 {[%emt 0:01:48]} Bxh4 {[%emt 0:00:22]} 16. dxc6 {[%emt 0:00:23]} bxc6 {[%emt 0:00:22]} 17. Nb5 {[%emt 0:01:22]} cxb5 {[%emt 0:03:52]} 18. Qxa8 {[%emt 0:00:15]} bxa4 {[%emt 0:01:35]} 19. Qe4 {[%emt 0:01:17]} Be7 {[%emt 0:01:35]} 20. Qxa4 {[%emt 0:07:06]} Bd7 {[%emt 0:01:56]} 21. Qc4 {[%emt 0:01:08]} Qxc4 {[%emt 0:00:44]} 22. Bxc4 {[%emt 0:00:03]} a4 {[%emt 0:00:37]} 23. b3 {[%emt 0:02:20]} Rc8 {[%emt 0:01:52]} 24. Bd5 {[%emt 0:01:07]} axb3 {[%emt 0:00:37]} 25. cxb3 {[%emt 0:00:14]} Be6 {[%emt 0:00:45]} 26. Bxe6 {[%emt 0:01:05]} fxe6 {[%emt 0:00:55]} 27. b4 {[%emt 0:02:08]} d5 {[%emt 0:00:50]} 28. Reb1 {[%emt 0:00:10]} d4 {[%emt 0:00:38]} 29. Bd2 {[%emt 0:04:24]} Rc2 {[%emt 0:05:56]} 30. Be1 {[%emt 0:01:43]} e4 {[%emt 0:02:07]} 31. Rc1 {[%emt 0:06:28]} Re2 {[%emt 0:01:55]} 32. b5 {[%emt 0:01:16]} Bg5 {[%emt 0:00:46]} 33. Rcb1 {[%emt 0:14:08]} d3 {[%emt 0:00:44]} 34. b6 {[%emt 0:02:58]} Kh7 {[%emt 0:00:50]} 35. Bb4 {[%emt 0:03:07]} Nd7 {[%emt 0:00:43]} 36. Bd6 {[%emt 0:00:19]} Bf6 {[%emt 0:01:12]} 37. Ra6 {[%emt 0:15:23]} Bd4 {[%emt 0:08:54]} 38. b7 {[%emt 0:00:00]} d2 {[%emt 0:04:20]} 39. Bb4 {[%emt 0:00:00]} Bc5 {[%emt 0:02:47]} 40. Ba5 {[%emt 0:00:00]} Rxf2 {[%emt 0:00:38]} 41. Rc6 {[%emt 0:00:00]} Rf8+ {[%emt 0:00:39]} 42. Rxc5 {[%emt 0:00:00]} Nxc5 {[%emt 0:02:07]} 43. Bxd2 {[%emt 0:00:00]} Nd7 {[%emt 0:04:51]} 44. Be3 {[%emt 0:00:00]} Kg6 {[%emt 0:00:37]} 45. Ba7 {[%emt 0:00:00]} Kf5 {[%emt 0:00:32]} 46. Rf1+ {[%emt 0:00:00]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.47"]
[White "Ramirez Toledo, Ayleen Maribel"]
[Black "Fernandez Pozas, Pablo Antonio"]
[Result "1-0"]
[ECO "A14"]
[BlackElo "2072"]
[Annotator "ChessBase"]
[PlyCount "79"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:10]} 2. g3 {[%emt 0:00:06]} b6 {[%emt 0:00:17]} 3. Bg2 {[%emt 0:00:08]} Bb7 {[%emt 0:00:05]} 4. O-O {[%emt 0:00:11]} e6 {[%emt 0:00:07]} 5. c4 {[%emt 0:00:52]} Be7 {[%emt 0:00:15]} 6. b3 {[%emt 0:00:56]} O-O {[%emt 0:00:18]} 7. Bb2 {[%emt 0:00:04]} d5 {[%emt 0:00:49]} 8. e3 {[%emt 0:17:09]} c5 {[%emt 0:08:14]} 9. Qe2 {[%emt 0:01:47]} dxc4 {[%emt 0:13:22]} 10. bxc4 {[%emt 0:02:10]} Nbd7 {[%emt 0:00:24]} 11. Na3 {[%emt 0:04:21]} Rc8 {[%emt 0:01:20]} 12. Rfd1 {[%emt 0:01:01]} Qc7 {[%emt 0:01:32]} 13. Rac1 {[%emt 0:06:17]} Rfd8 {[%emt 0:01:09]} 14. d4 {[%emt 0:18:35]} Be4 {[%emt 0:09:28]} 15. Nb5 {[%emt 0:03:43]} Qb8 {[%emt 0:01:20]} 16. Nc3 {[%emt 0:00:33]} Ba8 {[%emt 0:19:22]} 17. d5 {[%emt 0:02:44]} exd5 {[%emt 0:00:06]} 18. cxd5 {[%emt 0:00:17]} b5 {[%emt 0:00:33]} 19. e4 {[%emt 0:10:18]} b4 {[%emt 0:03:08]} 20. Nb1 {[%emt 0:00:16]} Nb6 {[%emt 0:06:18]} 21. Nbd2 {[%emt 0:04:45]} Ne8 {[%emt 0:03:27]} 22. Ne5 {[%emt 0:07:03]} Bb7 {[%emt 0:10:18]} 23. Bh3 {[%emt 0:07:04]} Bf6 {[%emt 0:07:42]} 24. Bxc8 {[%emt 0:04:33]} Qxc8 {[%emt 0:00:01]} 25. Ndc4 {[%emt 0:02:52]} Ba6 {[%emt 0:01:17]} 26. Qe1 {[%emt 0:03:21]} Na4 {[%emt 0:06:15]} 27. Ba1 {[%emt 0:00:24]} Bb5 {[%emt 0:00:21]} 28. Qe3 {[%emt 0:01:32]} Nd6 {[%emt 0:01:53]} 29. Nxd6 {[%emt 0:00:16]} Rxd6 {[%emt 0:00:01]} 30. Nxf7 {[%emt 0:00:27]} Kxf7 {[%emt 0:00:00]} 31. e5 {[%emt 0:00:08]} Rd8 {[%emt 0:01:29]} 32. exf6 {[%emt 0:00:22]} gxf6 {[%emt 0:00:00]} 33. Qe6+ {[%emt 0:01:24]} Qxe6 {[%emt 0:00:41]} 34. dxe6+ {[%emt 0:00:01]} Ke8 {[%emt 0:00:01]} 35. Rxd8+ {[%emt 0:00:24]} Kxd8 {[%emt 0:06:17]} 36. Bxf6+ {[%emt 0:00:35]} Ke8 {[%emt 0:00:00]} 37. Rd1 {[%emt 0:00:13]} Kf8 {[%emt 0:00:00]} 38. Rd8+ {[%emt 0:00:57]} Be8 {[%emt 0:00:00]} 39. Rd7 {[%emt 0:00:36]} c4 {[%emt 0:00:00]} 40. Rxh7 {[%emt 0:00:13]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.48"]
[White "Macias Zamora, Jose Armando"]
[Black "Gutierrez Herrera, Jose Antonio"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1488"]
[BlackElo "2059"]
[Annotator "ChessBase"]
[PlyCount "47"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:41]} Nf6 {[%emt 0:00:12]} 2. e5 {[%emt 0:00:40]} Nd5 {[%emt 0:00:06]} 3. c4 {[%emt 0:01:09]} Nb6 {[%emt 0:00:09]} 4. d4 {[%emt 0:00:17]} d6 {[%emt 0:00:08]} 5. exd6 {[%emt 0:00:23]} exd6 {[%emt 0:00:12]} 6. Nc3 {[%emt 0:01:54]} Be7 {[%emt 0:00:15]} 7. Nf3 {[%emt 0:03:21]} Bf5 {[%emt 0:00:41]} 8. Bd3 {[%emt 0:00:29]} Bxd3 {[%emt 0:02:57]} 9. Qxd3 {[%emt 0:00:15]} N8d7 {[%emt 0:00:08]} 10. O-O {[%emt 0:02:03]} O-O {[%emt 0:00:08]} 11. Bd2 {[%emt 0:11:26]} Re8 {[%emt 0:17:22]} 12. Rfe1 {[%emt 0:20:14]} Nf8 {[%emt 0:01:23]} 13. b4 {[%emt 0:08:09]} c6 {[%emt 0:07:00]} 14. d5 {[%emt 0:10:36]} Qd7 {[%emt 0:03:58]} 15. Rac1 {[%emt 0:02:46]} Ng6 {[%emt 0:03:26]} 16. Ne4 {[%emt 0:01:30]} cxd5 {[%emt 0:00:50]} 17. cxd5 {[%emt 0:00:08]} Rac8 {[%emt 0:03:49]} 18. Be3 {[%emt 0:02:31]} Rxc1 {[%emt 0:03:33]} 19. Rxc1 {[%emt 0:00:27]} Bd8 {[%emt 0:00:35]} 20. Nc3 {[%emt 0:13:24]} a6 {[%emt 0:14:57]} 21. Ne2 {[%emt 0:09:38]} Qa4 {[%emt 0:08:06]} 22. a3 {[%emt 0:00:44]} Qd7 {[%emt 0:07:09]} 23. Ng3 {[%emt 0:02:56]} Ne5 {[%emt 0:07:54]} 24. Qd1 {[%emt 0:06:16]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.15"]
[Round "4.50"]
[White "Castellanos Gonzalez, Mariano"]
[Black "Arvizu Borchardt, David Ivan"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1438"]
[BlackElo "1987"]
[Annotator "TA"]
[PlyCount "164"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,164,20,0,0,0,0,0,0,0,19,0,3,-22,-14,-25,-16,-62,-47,-70,-70,-58,-54,-57,-62,-63,-16,-16,0,0,14,-42,0,-3,0,0,0,0,0,-42,-52,-46,0,-30,-14,-122,0,0,0,-88,-98,-139,-137,-199,-130,-132,-111,-99,-94,-130,-35,-42,0,-108,8,8,8,8,8,18,33,38,43,43,46,48,99,106,284,273,305,306,306,289,288,291,306,279,292,84,134,118,146,8,62,0,0,0,0,0,0,0,44,51,62,-579,216,163,29987,19,19,19,19,-8,0,0,0,0,83,83,83,0,0,0,18,8,20,0,6,0,0,0,0,0,8,8,15,16,42,42,59,0,0,0,46,0,71,46,46,0,0,0,0]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O c5 5. d3 O-O 6. c4 Nc6 7. Nc3 e5 8. e4 h6 {A30: Symmetrical English: Double Fianchetto and Hedgehog.} 9. h3 d6 10. Be3 Kh7 11. a3 {[#]} Ne8 $146 ({Predecessor:} 11... a6 12. Qd2 Nd4 13. Bxd4 cxd4 14. Nd5 Nxd5 15. cxd5 f5 16. Qb4 fxe4 17. dxe4 a5 {0-1 (49) Belenov,D (2303)-Aleshin,O (2370) Essentuki 2003}) 12. Ne1 Nc7 13. Nd5 Nxd5 (13... Nd4 {is more complex.} 14. Nf3 Nxd5 15. cxd5 f5 16. Nxd4 exd4 17. Bd2 fxe4 18. dxe4 Bd7) 14. cxd5 Nd4 15. Bxd4 (15. Nf3 $11) 15... cxd4 $15 16. f4 exf4 17. gxf4 Qh4 18. Qf3 Bd7 19. Qf2 Qf6 {Black is more active.} (19... Qxf2+ $15 20. Rxf2 f5) 20. Qg3 $11 Rac8 21. Nf3 Rc2 22. Rf2 (22. e5 $1 $11 Qe7 23. Rf2) 22... Rfc8 (22... Rxf2 $1 $15 23. Kxf2 Rc8) 23. Raf1 Rxf2 24. Rxf2 Rc1+ 25. Kh2 Rd1 26. Rd2 (26. Bf1 $1 $11) 26... Rxd2 $15 27. Nxd2 g5 (27... Bb5 $15) 28. fxg5 hxg5 29. Nc4 (29. Bf3 $11) 29... Bf8 (29... b5 $1 $17 {[%cal Rb5c4]} 30. Na5 (30. Nxd6 Qe7 $17) 30... Qh6) 30. Qf3 Qg6 31. Na5 (31. Qf2 $1 $11) 31... Bg7 $17 32. Nc4 (32. Nxb7 $2 g4 33. hxg4 Bxg4 $19) (32. a4 $142) 32... b5 $1 33. Na5 (33. Nd2 $17) 33... Be5+ (33... g4 $19 34. hxg4 Bxg4) 34. Kg1 g4 35. hxg4 Bxg4 36. Qf2 Qh5 ({Better is} 36... Qg5 $17 37. Nc6 (37. Qxf7+ $2 Kh6 $19) 37... Bf4) 37. Kf1 Bd7 (37... Qg5 $15 {was preferrable.} 38. Nb3 (38. Qxf7+ $2 Kh6 $19) 38... Kg6) 38. Bf3 (38. Ke1 $11 {remains equal.}) 38... Bh3+ (38... Qg5 $17 {White must now prevent ...Bg3.} 39. Nb3 a5) 39. Ke2 Qg5 40. Kd1 Qf4 41. Qe2 Bg7 42. Kc2 (42. Nb3 Bd7 $11) 42... Bh6 43. Qd1 {To avoid Qc1+} Qh2+ 44. Kb1 Kg7 (44... a6 $14) 45. Nc6 $16 {[%csl LRa7,LRd4]} Be3 $2 (45... Qf2 $16) 46. Nxa7 $18 {Strongly threatening Bg4.} Bd7 47. Bg4 Be8 48. Nc8 Bg5 49. Bf5 Kf8 50. Qc2 Qg3 51. b4 $2 (51. Ka2 $18) 51... Qe1+ (51... Bf4 $142) 52. Kb2 Bf4 53. Na7 ({White should play} 53. Bg4 $16) 53... Bd2 $1 $11 54. Nc6 (54. Kb3 $1 $14) 54... Bc3+ $1 55. Kb3 f6 56. Bg4 {Prevents Bh5.} Qa1 57. Na7 Qg1 (57... f5 $1 $11 58. Be2 (58. exf5 Qh1 $17) (58. Bxf5 Bh5 $11) 58... Bd7) 58. Bd1 $14 Ke7 59. Nc6+ $2 {[%mdl 8192]} (59. a4 $1 $14 {keeps the upper hand.} bxa4+ 60. Kc4) 59... Kd7 $4 {[%mdl 8192]} (59... Bxc6 $19 {and life is good for Black.} 60. Bf3 Bd7) 60. a4 bxa4+ (60... Kc7 $18) 61. Kxa4 $2 (61. Kc4 {mates} Bg6 62. Qxa4 Ke8 63. Qa8+ Kf7 64. Nd8+ Kg8 65. Ne6+ Kh7 66. Qb7+ Bf7 67. Qxf7+ Kh8 68. Qh5+ Kg8 69. Bg4) 61... Kc7 $11 62. b5 Kb6 $1 63. Qb1 {[#]} Bh5 $1 {[%mdl 64] Pin} 64. Bc2 Qg8 {[%cal Of6f5]} 65. Kb3 {Hoping for Qa2.} Bf7 (65... Qa8 $1 $11 66. Qa2 (66. Kc4 {leads to mate.} Qa3 67. e5 fxe5 68. Nb8 Be8 69. Nc6 Bd2) 66... Qxa2+ 67. Kxa2 Kxb5) 66. Kc4 $16 {Threatening mate with Qa2.} Qa8 {To avoid Qa2} 67. Nxd4 (67. Qb3 $16) 67... Qa3 $11 {( -> ...Qc5+). Chess con chili.} 68. Nc6 {Threatens to win with Qg1+.} Qc5+ (68... Bd2 $5 69. Qg1+ Kb7 $11) 69. Kb3 Bd2 70. Ka4 f5 71. Qb3 fxe4 72. dxe4 Bh5 73. Qd3 Bc3 74. Bb3 Bb2 {[%csl Gb2][%cal Rc5a3] This bishop pair is nice.} 75. Nb4 $1 (75. Bc2 {[#]} Be2 $1 {[%mdl 512]} 76. Nb8 Qg1 $1 77. Kb3 Bxd3 78. Bxd3 Qc1 79. Bc2 Bd4 80. Bd3 Qb2+ 81. Ka4 Bc5 82. Nd7+ Kb7 83. Nxc5+ dxc5 84. Bf1 Qb4#) 75... Be8 {[%cal Re8b5]} 76. Bc4 Bh5 77. Bb3 ({White should try} 77. Kb3 $14) 77... Be8 {[%cal Re8b5]} 78. Bc4 Qg1 (78... Bh5 $1 $11 {should be considered.}) 79. Qd2 (79. Nc2 $14) 79... Bc1 (79... Qa1+ $11 {keeps the balance.} 80. Ba2 Bxb5+ 81. Kb3 Bd4) 80. Qe2 Qd4 {[%cal Oe8h5] And now ...Bh5! would win.} 81. Qd3 (81. Qc2 $14 Qa1+ 82. Na2) 81... Qa1+ 82. Ba2 Qb2 {[%mdl 32768] Both players deserved the win here.  Weighted Error Value: White=0.42/Black=0.43. Loss on time!?} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.1"]
[White "Vazquez, Guillermo"]
[Black "Santos Latasa, Jaime"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2545"]
[BlackElo "2640"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,46,0,0,5,0,0,0,0,0,0,0,0,0,0,0,32,0,9,10,9,14,54,2,2,0,0,-1,39]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 d6 5. exd6 e6 6. g3 Bxd6 7. Bg2 O-O 8. O-O Nc6 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 Qc7 {B22: Sicilian: 2 c3.} 12. c4 $1 {[%mdl 4] is recently more successful than 12.Nd2.} Nf6 13. Nc3 {Strongly threatening Nb5.} Bd7 14. Nb5 Bxb5 15. cxb5 {[#]} Rfd8 $146 {[%cal Od6g3] White must now prevent ...Bxg3!} ({Predecessor:} 15... Bc5 16. Bf4 Qb6 17. Qc4 Rac8 18. Qe2 Bd4 19. a4 Rc5 20. Rad1 e5 21. b4 exf4 22. bxc5 Bxc5 {½-½ (45) Kamsky,G (2666)-Potkin,V (2597) St Petersburg 2018}) 16. Qc3 Nd5 17. Qb3 Be5 18. Bg5 {And now Rac1 would win.} Rd7 19. Rfd1 {[%cal Rg2d5]} h6 {[#]} 20. Rac1 $1 Nc3 (20... Qa5 21. Bxd5) 21. bxc3 (21. Rxd7 $1 $14 Ne2+ 22. Kh1 Qxd7 {[#]} 23. Rd1 $1) 21... Rxd1+ {The position is equal.} 22. Rxd1 hxg5 23. c4 Rc8 {An interesting draw.  Weighted Error Value: White=0.12 (very precise) /Black=0.06 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.2"]
[White "Cordova, Emilio"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2534"]
[BlackElo "2643"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,82,16,20,0,0,0,0,0,0,-8,41,0,0,0,16,0,0,-20,0,-49,32,40,35,38,71,82,64,72,271,261,464,469,449,453,431,239,255,254,236,232,218,238,237,221,241,-89,-64,-154,-155,-154,-122,-128,0,-148,-148,-737,-348,-29989,-5165,-2429,61,-2173,-2178,-1943,-1747,-29987,-29988,-29988,-29989,-29992,-29993]} 1. Nf3 Nf6 2. e3 g6 3. d4 Bg7 4. Be2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. a4 {E61: King's Indian: Early deviations for White, including Smyslov System.} a5 9. b3 Re8 10. Ba3 {The position is equal.} e4 11. Nd2 Nf8 (11... Nb8 $11 {feels stronger.}) 12. Nb5 (12. Qc2 $14) 12... h5 13. Rc1 {[#]} Bd7 $146 ({Predecessor:} 13... h4 14. Re1 N8h7 15. Nf1 Bf8 16. c5 d5 17. c6 b6 18. Bxf8 Rxf8 19. f3 exf3 20. Bxf3 {½-½ (92) Cupid,K (2166)-El Jawich,A (2260) Baku 2016}) 14. Rc3 N8h7 15. Qc2 h4 16. c5 (16. h3 $1 $11 {should be considered.}) 16... dxc5 (16... d5 $15) 17. Rxc5 $14 Bf8 18. Nxc7 Bxc5 19. Qxc5 Rc8 20. Rc1 {aiming for Qd6.} (20. Nxe8 $6 Rxc5 21. Nxf6+ Nxf6 $11) 20... Be6 $2 (20... Bf5 $16) 21. Qe5 $1 $18 (21. Qxa5 $2 Nd5 22. Nxe4 Rxc7 23. Rxc7 Qxc7 24. Qxc7 Nxc7 $17) 21... Re7 $2 (21... h3 22. gxh3 (22. Nxe8 Rxc1+ 23. Bxc1 Qxe8 $18) (22. Qxa5 $2 Nd5 $19) (22. Nxe4 Nxe4 23. Nxe8 Rxc1+ 24. Bxc1 Qxe8 $16) 22... Nd7) 22. Bxe7 Qxe7 23. Rc5 {To avoid Nd5} b6 {[#]} 24. Nd5 Nxd5 25. Rxc8+ {[%mdl 64] Overworked Piece} (25. Rxd5 Rc2 26. Nxe4 (26. Qb8+ $2 Kg7 $19) 26... Rxe2 $17) 25... Bxc8 26. Qxd5 Qb4 27. Nxe4 Be6 28. Qd8+ Kg7 29. d5 $2 Bg4 $1 $17 {The board is on fire.} 30. f3 (30. Qxh4 $2 Bxe2 31. f3 Qxb3 $19) (30. Bf1 $1 $15 Qxe4 31. h3) 30... Qe1+ $1 31. Bf1 Qxe3+ 32. Nf2 {[#]} Bxf3 33. d6 (33. gxf3 $11 {was the only way to keep the balance.} Ng5 34. Qd7) 33... Ng5 $1 {[%cal Oh4h3] Strongly threatening ...h3!} 34. Qc8 {[%mdl 8192] [#] To avoid h3} ({But not} 34. gxf3 $2 h3 35. Bxh3 Nxh3+ 36. Kg2 Nxf2 $19) (34. d7 $17 Bc6 35. Qe8 Qxe8 36. dxe8=B Bxe8 37. Nd3) 34... h3 $1 $19 {( -> ...Bxg2)} ({Inferior is} 34... Ne4 35. Qc2 Nxf2 36. Qb2+ (36. Qxf2 Qxf2+ 37. Kxf2 Bg4 $11) 36... f6 37. Qxf2 Qxf2+ 38. Kxf2 $11) 35. d7 $2 (35. Qc4 $19 Ne4 36. Qc2 hxg2 37. Bxg2 Qe1+ 38. Bf1) 35... hxg2 (35... Ne4 $2 36. Qc2 Qd4 37. gxf3 $18) (35... Bxg2 $142 36. Qf8+ Kxf8 37. d8=Q+ Kg7 38. Qxg5 Qxg5 39. Nxh3 Bxh3+ 40. Kf2 Qf4+ 41. Ke1 Bxf1 42. h4 Bd3 43. b4 Qe3+ 44. Kd1 Qe2+ 45. Kc1 Qc2#) 36. Bxg2 {[#]} Qe1+ $1 37. Bf1 Be2 {[%csl Ge2][%cal Re1f1]} 38. Qc3+ Qxc3 39. d8=Q {[#]} Qe1 $1 {[%csl Ge2][%cal Re1f1] Black mates.} 40. Qd4+ Kg8 {[%csl Ge2][%cal Re1f1]} 41. Qd8+ Kh7 {Weighted Error Value: White=0.86/Black=0.39} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.3"]
[White "Meier, Georg"]
[Black "Veiga, Jose Francisco R P N"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2631"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,148,13,23,12,14,0,0,12,27,0,3,-1,120,113,106,114,108,93,104,70,108,112,112,106,111,92,109,96,102,34,43,42,42,42,57,54,69,32,29,35,65,58,85,40,42,0,0,0,3,7,8,12,44,45,45,0,46,46,45,0,0,0,0,0,0,0,0,0,0,-37,-19,-118,-43,-71,0,0,5,6,97,89,100,0,0,0,0,0,0,0,13,8,12,7,8,3,52,52,100,102,185,175,149,158,551,422,480,276,385,371,1696,1584,1650,1470,4133,4129,29975,29976,29976,29975,29977,29977,29977,29978,29978,29979,29979,29980,29980,29981,29982,29981,29981,29982,29985]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 c5 5. e3 b6 6. Bd3 Bb7 7. O-O O-O 8. c3 Nc6 9. a3 $5 {[%mdl 4] Exploring less charted territory.} d5 10. b4 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} Rc8 {[#]} 11. Rb1 $146 ({Predecessor:} 11. Re1 Re8 12. h3 e5 13. Bb5 e4 14. Ne5 Nxe5 15. Bxe8 Nd3 16. Bb5 Nxe1 17. Qxe1 cxb4 18. cxb4 {1-0 (70) Tristan,L (2535)-Khalafova,N (2279) Chess.com INT 2021}) 11... cxd4 12. cxd4 {The position is equal.} Re8 13. Qa4 Qd7 {[%cal Oc6d4]} 14. Rfc1 {[#]} Ne5 15. Bb5 $16 Bc6 {[#]} 16. Rxc6 $1 {[%mdl 512]} Nxc6 17. Ne5 Qf5 {[%csl LRe5,LRg5]} 18. Bxf6 Nxe5 19. Bxe5 Bxe5 20. dxe5 {Strongly threatening e4.} Red8 21. Rf1 (21. Qxa7 Qc2) 21... Qxe5 22. Nf3 ({Inferior is} 22. Qxa7 d4 23. Nf3 (23. Qxb6 Rb8 $17) 23... Qxb5 24. Nxd4 Qd7 25. Qxb6 Qc7 $15) 22... Qc7 23. Ba6 ({White should try} 23. Re1 $16) 23... Qc2 $14 24. Qxc2 (24. Qb5 {is more complex.} Rc7 25. g3 Qc3 26. Qa4 e5 27. Rd1) 24... Rxc2 25. Ra1 {Prevents Ra2.} Rb2 26. g4 Rd6 27. b5 {Prevents Rc6.} Rf6 28. Kg2 e5 29. g5 Re6 {[%cal Od5d4]} 30. a4 (30. Rd1 $16) 30... d4 31. Ra3 dxe3 32. Rxe3 e4 33. Nd4 Re5 34. h4 Rd5 35. Rxe4 Rb4 {[%csl LRa4,LRd4]} 36. Re8+ Kg7 37. Nf3 Rxa4 38. Bb7 (38. Re7 $14) 38... Rxb5 $11 39. Bc6 Rg4+ 40. Kh3 Rbb4 41. Bd5 Rgf4 42. Kg3 Rf5 43. Be4 Rc5 44. Ne1 (44. Kf4 $1 $11 {keeps the balance.}) 44... a5 (44... Rbc4 $1 $17 {aiming for ...a5.} 45. Kf3 Rc8) 45. f3 Rc3 ({Better is} 45... Rbc4 $1 $17 {Hoping for ...Rc8.} 46. Rb8 a4 47. Rxb6 Ra5) 46. Ng2 $1 Rbc4 47. Nf4 Rc8 {[#]} (47... h6 $1 $11 {remains equal.}) 48. Re7 $1 $16 {[%mdl 1024] White has strong compensation.} Kf8 49. Rb7 ({White should play} 49. Nd5 $16) 49... R3c7 $1 $11 {...Rxb7 is the strong threat.} ({Resist} 49... a4 50. Nd5 Rc1 51. Nxb6 $16) 50. Rxb6 {Black must now prevent Ra6.} Ra7 {Prevents Ra6.} 51. Rb3 a4 52. Ra3 Rb8 53. Bc2 Rb4 54. Nd5 Rc4 55. Be4 Ra5 (55... Rd4 $11 {might be stronger.}) 56. Nf6 $14 Rb4 (56... Kg7 $1 $14) 57. Bd5 {Threatens to win with Re3.} Ke7 (57... Kg7 $16) 58. Re3+ $18 Kd6 59. Bxf7 {White is much more active.} a3 $2 {A mistake that costs the game.} (59... Ra7 $16 60. Rd3+ Kc5 61. Nd7+ Kc6) 60. Re6+ Kc7 61. Re7+ (61. Re1 $142) 61... Kb8 62. Nxh7 Rb7 $2 (62... a2 $2 {[#]} 63. Bxa2 $1 {[%mdl 512]} Rxa2 64. Nf8 $18) (62... Raa4 63. Re8+ (63. Bxg6 a2 $16) 63... Kc7) 63. Rxb7+ Kxb7 64. h5 gxh5 65. g6 {Intending g7 and mate.} a2 {[#]} 66. Bxa2 $1 {[%mdl 512] White mates.} Rxa2 {KR-KN} 67. g7 Ra1 68. Kh2 Ra8 69. Nf6 Kc6 70. g8=Q Rxg8 71. Nxg8 Kd6 72. Nf6 h4 73. Ng4 Ke6 74. Kh3 Kd5 {Weighted Error Value: White=0.13 (very precise) /Black=0.30} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.4"]
[White "Quesada Perez, Luis Ernesto"]
[Black "Alonso Rosell, Alvar"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2517"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,53,7,7,6,37,26,46,0,0,0,0,0,0,0,29,37,31,-14,0,-31,-25,-100,-117,-105,-90,-97,-100,-113,-103,-108,-112,-133,-35,-26,21,-93,-97,-87,-72,-65,-50,-55,-52,-152]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c6 6. Ne5 Bb4+ 7. Bd2 {E04: Open Catalan: 5 Nf3.} Be7 (7... Qxd4 {keeps more tension.} 8. Bxb4 Qxe5 9. Na3 b5 10. f4 Qc7) 8. e3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 9. a4 (9. Nxc6 $14 {was preferrable.} Nxc6 10. Bxc6+ Bd7 11. Bxa8 Qxa8 12. f3) 9... b4 $1 $11 10. Nxc4 Ba6 11. b3 O-O 12. O-O Nbd7 13. Bxc6 Rc8 14. Bg2 {[#]} (14. Bb5 $14 Bb7 15. Bc1) 14... Nb6 $146 ({Predecessor:} 14... e5 15. Re1 Bxc4 16. bxc4 Rxc4 17. Qb3 Rc8 18. a5 Re8 19. Rd1 exd4 20. exd4 Bd6 {1-0 (30) Rodshtein,M (2609)-Negi,P (2615) Biel 2010}) 15. Nxb6 Qxb6 16. Be1 (16. Re1 $11) 16... e5 $17 ({Much worse is} 16... Bxf1 $6 17. Bxf1 Ne4 18. Nd2 Nxd2 19. Bxd2 $15) 17. dxe5 {[#]} Rfd8 $1 18. Nd2 Nd7 19. Nc4 Bxc4 20. bxc4 Nxe5 21. Bd5 Nxc4 (21... Rxc4 $17 {...b3 is the strong threat.} 22. e4 Rxe4 $1 23. Bxe4 Rxd1 24. Rxd1 g6) 22. e4 $15 Qf6 (22... Bf6 {is more appropriate.} 23. Rb1 a5) 23. Rc1 {[#]} (23. a5 $1 $11) 23... Nb2 $1 $17 {[%cal Bc4b2,Bb2a4,Ba4b6][%mdl 32]} 24. Qd2 Rxc1 25. Qxc1 Nxa4 {aiming for ...Nb6.} 26. Qc7 {Strongly threatening e5.} Nb6 27. Bb3 {Weighted Error Value: White=0.25 (precise) /Black=0.12 (very precise)} (27. e5 $1 $15 Nxd5 28. exf6 Nxc7 29. fxe7) 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.5"]
[White "Dominguez Aguilar, Guillermo"]
[Black "Cuenca Jimenez, Jose Fernando"]
[Result "0-1"]
[ECO "D56"]
[WhiteElo "2321"]
[BlackElo "2552"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,106,18,12,8,0,2,8,0,15,0,14,-21,0,0,0,0,0,0,0,-51,-9,-10,-20,-6,-7,-62,-67,-74,-55,-147,-153,-168,-161,-318,-95,-86,-95,-99,-102,-99,-106,-99,-55,-42,-44,-51,-47,-95,-73,-100,-100,-104,-109,-107,-99,-220,-227,-210,-195,-285,-284,-376,-393,-413,-394,-385,-334,-324,-285,-347,-290,-365,-291,-293,-284,-284,-282,-284,-284,-544,-539,-649,-641,-1198,-664,-6737,-6793,-5977,-5925,-5114,-2014]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Nf3 Nbd7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Bd3 {D56: Queen's Gambit Declined: Lasker Defence.} Nxc3 11. bxc3 c5 12. O-O {The position is equal.} b6 13. a4 Bb7 14. e4 Rfd8 {[#]} 15. a5 $146 ({Predecessor:} 15. Re1 Qd6 16. Qb3 cxd4 17. cxd4 Nc5 18. Qa3 Nxd3 19. Qxd3 Rac8 20. a5 Rc7 21. axb6 axb6 22. Rab1 Ra8 23. Qb5 Ra2 24. Qxb6 Qxb6 25. Rxb6 Ba8 26. Rb8+ {½-½ (26) Assad,K (2000)-Gey,M (2065) Agneaux 1999}) 15... c4 16. Bc2 b5 17. Qb1 a6 18. Nd2 (18. Qc1 $11) 18... e5 (18... Rac8 $15) 19. Nxc4 $11 Rac8 20. Ne3 Rxc3 21. Rd1 ({White should play} 21. d5 $11) 21... exd4 $15 22. Rxd4 Ne5 $36 {[%mdl 2048] Black has good play.} 23. Rxd8+ (23. Qb2 $15 Rdc8 24. Rad1) 23... Qxd8 $17 24. Qb4 Qc7 {[%cal Oc3e3] And now ...Rxe3! would win.} 25. Qd4 {[#]} (25. Bd1) 25... Qc5 $2 (25... Rxe3 $1 $19 {[%mdl 512] has better winning chances.} 26. Qxe3 Qxc2) 26. Qxc5 Rxc5 27. Kf1 {[#]} Nc4 $1 28. Nxc4 Rxc4 {[%mdl 4096] Endgame KRB-KRB} ({But not} 28... bxc4 $6 29. Ke2 $11) 29. Bb3 Rxe4 ({Better is} 29... Rc3 $17 30. Bd5 Bxd5 31. exd5 Rd3) 30. Rd1 $15 {Black must now prevent Rd8+.} Re7 31. Rd6 Rc7 32. Ke2 (32. Rd8+ $15 Kh7 33. Rd6) 32... Kf8 33. Kd2 Bc6 34. Rd8+ Ke7 35. Rg8 g6 36. g3 {[#] This move loses the game for White.} (36. f3 $17) 36... Be8 $1 $19 37. f4 Rc5 38. Rh8 (38. g4 $142) 38... h5 39. Kd3 b4 {Threatens to win with ...Rc3+.} 40. Kd4 Rxa5 41. Kc4 Ra1 42. Kxb4 a5+ {[%cal Ba6a5,Ba5a4][%mdl 32]} ({Weaker is} 42... Rb1 43. f5 $17) 43. Kc3 a4 44. Bc2 a3 45. Bb3 a2 {( -> ...Rc1+)} 46. Kb2 {Inhibits Rc1.} Rh1 47. Kxa2 Rxh2+ 48. Ka3 $2 (48. Kb1) 48... Bd7 {Black is clearly winning.} 49. Rh7 Be6 50. f5 Bxb3 51. fxg6 {Strongly threatening g7.} Bc2 52. Rxf7+ Ke6 53. g4 Bxg6 {Weighted Error Value: White=0.56/Black=0.14 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.6"]
[White "Obregon Rivero, Juan Carlos"]
[Black "Sandoval Mercado, Carlos"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2536"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,92,56,24,37,34,25,31,34,33,34,36,45,28,83,78,77,86,76,13,20,6,21,0,54,37,66,66,70,43,27,31,58,18,29,16,23,11,38,38,31,35,118,97,100,92,168,162,172,42,47,0,46,54,81,83,82,58,79,73,58,66,77,75,362,342,341,333,447,445,446,441,438,438,418,397,406,342,465,380,704,699,1093]} 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} Bg7 5. Be2 O-O 6. Be3 Nc6 {6...Na6 is a critical line.} 7. d5 Ne5 {E73: King's Indian: Averbakh Variation without 6...c5.} 8. f4 Neg4 9. Bd2 Nh6 $1 {White is slightly better.} 10. Nf3 e6 11. dxe6 fxe6 {[#]} 12. Qc2 $146 ({Predecessor:} 12. O-O Nf7 13. Qc2 Bd7 14. Bd3 e5 15. fxe5 Nxe5 16. Nxe5 dxe5 17. Nd5 c6 18. Nxf6+ Bxf6 {½-½ (56) Juksta,K (2310)-Alexakis,D (2459) Corum 2019}) 12... Qe7 (12... Nh5 $11 {remains equal.}) 13. O-O-O $16 e5 14. fxe5 dxe5 15. h3 ({Better is} 15. Nd5 $16 Nxd5 16. cxd5) 15... c6 $11 16. g4 {[%cal Bg2g4,Bg4g5][%mdl 32] And now g5 would win.} Nf7 17. Be3 Be6 (17... Nd7 $11) 18. Nd2 Rfb8 19. Kb1 Nd8 {[%cal Bf7d8,Bd8e6,Be6d4][%mdl 32]} 20. g5 {White is more active.} Nd7 21. h4 $36 {[%mdl 2048] White has good play.} Bf7 $1 22. h5 Ne6 $1 23. hxg6 Bxg6 24. Bh5 Nd4 (24... Nxg5 $2 25. Bxg6 hxg6 26. Rdg1 $18) 25. Qd3 Nc5 26. Qf1 Qe6 (26... Nce6 $14) 27. Bxg6 $16 Qxg6 28. Rh4 a6 ({Don't take} 28... Rf8 29. Qh3 $14) (28... Rd8 $16) 29. Qh3 $1 $18 b5 {[#]} 30. Rg1 (30. Rh1 $1 $18) 30... bxc4 $1 $14 {[%cal Ob8b2] Strongly threatening ...Rxb2+!} 31. Nxc4 (31. Nd1 $1 $14) 31... Qf7 (31... Rb4 $11 {might be stronger.} 32. Rh6 Qf7) 32. Qf1 {Really sharp!} Rf8 33. Qxf7+ Rxf7 34. Rgh1 Raf8 {[#]} 35. Nd2 {To avoid Rf1+} ({Much weaker is} 35. Rxh7 Rf1+ 36. Bc1 Nd3 $11) 35... Nd3 36. Rxh7 Nf2 37. R1h4 Ng4 $2 {[%mdl 8192] [#] Black cannot hold the game after this.} 38. Rxg7+ $1 $18 {[%mdl 512]} Kxg7 39. Rxg4 Kg6 40. Rh4 Rh7 41. Rh6+ Rxh6 42. gxh6 Ne6 43. b3 Nf4 44. Nf3 Kf6 45. Na4 Rg8 $2 (45... Rh8 46. Nb6 Rxh6 47. Nd7+ Ke6 48. Ndxe5 Rh1+ 49. Kb2 Ng2) 46. Nc5 Rg3 {Weighted Error Value: White=0.19 (very precise) /Black=0.35} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.7"]
[White "Santos, Jose Guilherme B Lim"]
[Black "Cori, Jorge"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2363"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,70,33,34,64,56,63,46,66,54,68,56,88,50,62,51,66,57,59,52,51,37,43,44,43,42,43,35,39,39,35,0,7,0,13,-10,-22,-29,-32,-46,-20,-25,-17,-27,-25,-17,-14,-64,-16,-16,-16,-22,-12,-732,-767,-760,-653,-893,-961,-860,-834,-499,-433]} 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e4 d6 5. d4 exd4 6. Nxd4 Bd7 {A28: English Opening: Four Knights Variation.} 7. Be2 Be7 8. O-O O-O {White is slightly better.} 9. f3 Re8 10. Be3 {[#]} a5 $146 ({Predecessor:} 10... Nxd4 11. Bxd4 Be6 12. Qd2 a6 13. Kh1 c6 14. a4 a5 15. f4 Qc7 16. b3 Rad8 {0-1 (47) Iordachescu,V (2553)-Gurevich,V (2486) Playchess.com INT 2006}) 11. b3 Nxd4 12. Qxd4 Bc6 13. Rad1 Nd7 14. Nd5 Bf6 15. Nxf6+ (15. Qd2 {is interesting.} b6 16. Rfe1 h5 17. Qc2 Nc5 18. Bf1) 15... Qxf6 16. Qxf6 Nxf6 17. Kf2 b6 18. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Nd7 19. h4 f6 20. g5 Rf8 21. Kg3 Rae8 22. Rd3 Nc5 23. Bxc5 bxc5 24. Rf2 fxg5 25. hxg5 Re5 26. f4 Ree8 ({Don't do} 26... Rxe4 27. Bf3 $14) 27. e5 dxe5 28. fxe5 (28. f5 $11) 28... Rxf2 (28... Rxe5 $15 29. Rxf8+ Kxf8) 29. Kxf2 $11 Rxe5 {[%mdl 4096] Endgame KRB-KRB} 30. Rd8+ Re8 31. Rxe8+ {[%mdl 8192] [#] Now White is beyond hope.} (31. Rd3 $11) 31... Bxe8 $19 {Black is clearly winning.} 32. Bd3 h6 {[%cal Bh7h6,Bh6g5,Bg5g4][%mdl 32]} 33. Kg3 hxg5 34. Kg4 Kf7 35. Kf5 g4 {Weighted Error Value: White=0.52/Black=0.11 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.8"]
[White "Fier, Alexandr"]
[Black "Sanchez Enriquez, Oscar Gerardo"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2583"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,65,23,4,6,10,33,18,11,4,25,20,41,33,35,31,35,35,60,53,60,35,37,21,35,32,33,33,41,31,96,89,96,100,100,122,95,95,77,75,75,75,75,0,0,4,70,70,70,70,117,123,122,85,98,76,89,68]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Bg5 h6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 7. Bh4 Be7 8. Nbd2 d6 {The position is equal.} 9. a4 O-O (9... g5 {is interesting.} 10. Bg3 g4 11. Ng1 Nh5 12. f3 f5) 10. Bg3 Be6 11. Bxe6 fxe6 {[#]} 12. b4 $146 ({Predecessor:} 12. O-O Qe8 13. Qb3 Qd7 14. d4 exd4 15. Nxd4 Nxd4 16. cxd4 Nh5 {½-½ (16) Pavlidis,A (2537)-Chigaev,M (2634) Karlsruhe 2019}) 12... Qd7 13. O-O b5 14. Qb3 Rfb8 15. a5 Nh5 16. Rfe1 Bf6 17. Rad1 Qf7 18. Nf1 Nxg3 19. hxg3 d5 (19... Rf8 $14) 20. Ne3 {[%cal Re4d5]} Rd8 {[#]} 21. Ng4 $1 d4 22. Rc1 {[%cal Bd1c1,Bc1c5,Bc5e5,Be5e6,Be6e7,Be7c7,Bc7c8][%mdl 32] Strongly threatening c4.} Qe7 23. cxd4 Nxd4 24. Nxd4 (24. Nxf6+ {keeps more tension.} gxf6 25. Qd1 Nxf3+ 26. Qxf3 Rd6 27. Rc3) 24... Rxd4 25. Rc5 (25. Nxf6+ {is interesting.} gxf6 26. Rc5 Rad8 27. Re3 R8d7 28. g4) 25... Rad8 26. Nxe5 {White is more active.} (26. Re3 $16) 26... Bxe5 27. Rxe5 Rxb4 (27... R8d6 $1 $11) 28. Qxe6+ $14 Qxe6 29. Rxe6 $16 {Hoping for Rc1. KRR-KRR} Rd6 {[#]} (29... Rxd3 $14 30. Rxa6 Rc4) 30. Re7 $1 {White is better.} Rxd3 31. Rxc7 Rb2 32. Rc8+ Kf7 33. e5 {Weighted Error Value: White=0.09 (flawless) /Black=0.16 (very precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.9"]
[White "Albornoz Cabrera, Carlos Daniel"]
[Black "Estrada Nieto, Julian"]
[Result "1-0"]
[ECO "C93"]
[WhiteElo "2567"]
[BlackElo "2253"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,85,19,32,38,29,34,41,23,25,30,32,28,50,9,37,26,46,42,34,35,30,27,30,0,63,40,63,20,31,31,40,35,32,39,39,41,96,88,87,87,86,60,110,70,262,267,416,423,646,629,611,600,607,627,1411,350,302,230,29984,29985,29985,846]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. a3 h6 13. Bc2 d5 14. dxe5 {C93: Closed Ruy Lopez: Smyslov Variation.} Nxe5 15. Nxe5 Rxe5 16. Nf3 {White is slightly better.} (16. f4 $5 {[%cal Rf4e5]} Bc5+ 17. Kh1 Nxe4 18. Nxe4 Rxe4 19. Bxe4 dxe4 20. Qe2 $11 (20. Be3 Bxe3 21. Qxd8+ Rxd8 $11)) 16... Re8 {[%cal Rf6e4]} 17. e5 Ne4 18. Bf4 $1 {The main line 18.Bf4 scores better than 18.Qe2.} c5 19. Qe2 (19. Nd2 $14 {was preferrable.}) 19... Qb6 20. Nd2 {[%cal Rd2e4]} Nxd2 {[#]} 21. Qxd2 $146 ({Predecessor:} 21. Bxd2 Rad8 22. Qd3 g6 23. Qg3 d4 24. cxd4 Rxd4 25. Re2 Bg7 26. Rae1 Bc8 27. b4 {½-½ (42) Schueppel,R (2407)-Vekelis,G (2349) ICCF email 2015}) 21... Rad8 22. Qd3 {[%csl Gc2][%cal Rd3h7] [#]} g6 23. Qg3 {[%cal Oe5e6] Hoping for e6!} Qe6 24. b4 c4 (24... cxb4 $11 25. cxb4 (25. axb4 d4 $11) 25... Bg7) 25. Rad1 (25. Bd2 $5 {[%cal Rf2f4]}) 25... Bg7 26. h4 {Inhibits g5.} (26. Kh1 $14) 26... Bc6 {[%cal Oa6a5]} 27. Qe3 Ra8 28. Bg3 {[%cal Oh4h5]} a5 29. h5 axb4 30. axb4 Ra2 ({Black should try} 30... gxh5 $14 31. Rd4 f6) 31. Bb1 $16 Ra3 32. hxg6 fxg6 33. Bf4 g5 (33... Rb3 $14) 34. Bg3 Qe7 $2 {Loses the game.} (34... Bf8 $14) 35. Qc1 $18 Ra7 (35... Rb3 {keeps fighting.} 36. Ba2 Qe6 37. Bxb3 cxb3) 36. Qc2 Qe6 (36... Qf7 $142 37. Qh7+ Kf8) 37. Qh7+ Kf8 38. Bf5 Qg8 39. Qg6 Ra6 40. e6 {Prevents Qf7.} (40. Qd6+ Re7 41. Ra1) 40... Ke7 41. Ra1 {Dancing on a razor blade.} Rea8 $2 (41... Rxa1 $2 42. Rxa1 Bd4 43. Qxh6 $18) (41... Raa8 $18) 42. Rxa6 Rxa6 {[#]} 43. Be5 {Weighted Error Value: White=0.33/Black=0.56} (43. Bd6+ $142 $1 {[%mdl 512]} Kxd6 44. e7+ Kc7 45. e8=Q Qxe8 46. Rxe8 Bxe8 47. Qxa6 Bxc3 48. Qc8+ Kd6 49. Qe6+ Kc7 50. Qe7+ Kb8 51. Qxe8+ Kc7 52. Qc8+ Kd6 53. Qd7+ Ke5 54. Qe6+ Kf4 55. g3+ Kf3 56. Bg4#) 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.10"]
[White "Perez Garcia, Rodney Oscar"]
[Black "Gonzalez Zamora, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "B85"]
[WhiteElo "2331"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,38,10,16,11,23,14,17,14,14,10,18,24,17,18,41,82,54]} 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Be2 Nc6 7. O-O Nf6 8. Be3 d6 9. f4 Be7 10. Kh1 Bd7 11. Qe1 Rc8 12. Qg3 O-O 13. Rae1 {B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3.} b5 14. a3 Kh8 15. Bd3 {[#] The position is equal.} Nh5 $146 ({Predecessor:} 15... Na5 16. e5 Nh5 17. Qh3 g6 18. g4 Ng7 19. Qh6 Rg8 20. Rf3 Ne8 21. Rh3 Rg7 {½-½ (70) Dominguez,O (2092)-Torres,J (2341) Ibague 2013}) 16. Qf2 Nxf4 17. Bxf4 {[#] Hoping for Nxc6.} Nxd4 18. e5 Nc6 {[%cal Rd6e5]} 19. exd6 Bxd6 {Weighted Error Value: White=0.01 (flawless) /Black=0.05 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.11"]
[White "Perez Rodriguez, Luis Manuel"]
[Black "Almeida Quintana, Omar"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2324"]
[BlackElo "2535"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,70,40,35,47,-8,-15,-14,-18,-18,-11,-15,0,0,0,1,6,-14,0,-45,-47,-45,-49,-45,-45,-42,-16,-4,0,-112,-23,-14,-19,-31,22,19,27,14,19,19,20,19,9,17,9,16,113,0,0,0,0,0,0,0,0,0,34,0,0]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. Bd3 Nd7 7. Be3 Bb7 8. e5 Nh6 {B06: Modern Defence.} 9. Ne4 {To avoid c5} ({White should play} 9. Qe2 $14) 9... c5 $11 10. c3 $1 ({Don't go for} 10. exd6 $2 c4 11. O-O (11. dxe7 $2 Qxe7 12. O-O cxd3 $19) 11... O-O $19) 10... cxd4 11. cxd4 Nb6 {[#]} 12. O-O $146 ({Predecessor:} 12. Qe2 O-O 13. O-O Nd5 14. Bd2 Qb6 15. Kh1 Nf5 16. Neg5 Nxd4 17. Nxd4 Qxd4 18. e6 {0-1 (30) Lamorelle,J (2278)-Nanu,C (2515) Sunny Beach 2010}) 12... Nd5 13. Bd2 Qb6 14. Qe1 O-O 15. Kh1 f6 16. Ng3 (16. a4 $11 {is superior.}) 16... fxe5 $15 17. fxe5 dxe5 18. dxe5 Ng4 19. Be4 Qe6 20. Bc3 Rad8 21. Rd1 (21. Bd4 $11 {keeps the balance.}) 21... Nxc3 (21... Nge3 $1 $17 {[%cal Re3f1]} 22. Nd4 (22. Ng5 $2 Qg4 $17) 22... Rxf1+ 23. Nxf1 Qxe5 24. Bxd5+ Nxd5 25. Qxe5 Bxe5) 22. Rxd8 $11 Rxd8 23. Bxb7 Qb6 24. Qxc3 {[%cal Oh2h3] And now h3! would win.} Qxb7 25. h3 Nh6 26. Qb3+ Kh8 27. Qe6 Rf8 28. Ng5 Rxf1+ 29. Nxf1 a5 (29... Qc7 $11) 30. Ng3 {White is more active.} ({White should try} 30. Nh2 $16) 30... Qc7 {White must now prevent ...Qc1+.} 31. Nf3 Qc1+ 32. Kh2 Qf4 33. Qc8+ (33. Qxe7 $2 Qxg3+ $3 {[%mdl 512]} 34. Kxg3 Nf5+ 35. Kf4 Nxe7 $19) 33... Ng8 {Hoping for ...h5.} 34. Qe6 Nh6 35. Qc8+ ({Avoid the trap} 35. Qxe7 $2 {[#]} Qxg3+ $3 {[%mdl 512]} 36. Kxg3 Nf5+ 37. Kf4 Nxe7 $19) 35... Ng8 {Weighted Error Value: White=0.19 (very precise) /Black=0.21 (precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.12"]
[White "Capo Vidal, Uriel"]
[Black "Rodriguez Vila, Andres"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2306"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,69,82,92,81,40,63,39,44,-11,28,28,25,-14,47,39,51,36,44,22,26,15,28,0,29,25,54,27,14,0,11,0,0,-5,0,0,0,0,34,0,0,0,-2,-47,-7,-10,-6,-10,-14,-39,-43,-23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9,8,12,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 f5 2. Bg5 c6 3. e3 Qb6 4. Nd2 d5 5. Ngf3 Nd7 {[#]} 6. c4 $146 {A80: Dutch Defence: Unusual White second moves.} ({Predecessor:} 6. Bd3 e6 7. O-O h6 8. Bf4 g5 9. Bg3 Ngf6 10. c4 Nh5 11. cxd5 cxd5 12. Be5 {1-0 (40) Rajkovic,D (2443)-Ruckschloss,K (2293) Arco 2010}) 6... e6 7. Qb3 (7. Rb1 $16) 7... Ngf6 8. Bd3 {White is slightly better.} Ne4 9. O-O (9. Qxb6 $14 axb6 10. Bf4) 9... Qxb3 10. Nxb3 Nb6 11. Rac1 Nxg5 (11... Nxc4 $11 12. Bxc4 dxc4 13. Rxc4 Nxg5 14. Nxg5 Bd6) 12. Nxg5 $14 Be7 13. Nf3 O-O 14. Ne5 Nd7 15. Nxd7 Bxd7 16. Nc5 Bc8 17. Be2 a5 18. Na4 Bd8 19. c5 f4 {[%cal Oe6e5]} 20. Nb6 Bxb6 21. cxb6 {[%cal Oe3e4]} Bd7 22. Rfd1 fxe3 23. fxe3 Rae8 24. Rc5 (24. e4 $5) 24... e5 25. Bf3 exd4 26. exd4 (26. Rxd4 $11 Rxe3 27. Rxa5) 26... a4 27. Ra5 Ra8 28. Rxa8 Rxa8 $11 {[%mdl 4096] Endgame KRB-KRB} 29. Re1 Kf8 30. Be2 {Inhibits Ra6.} a3 31. b3 {The position is equal.} Be8 32. Bd3 Bg6 33. Bxg6 hxg6 {KR-KR} 34. Kf2 Ra6 35. Ke3 Rxb6 36. Kd3 Rb5 37. Rf1+ Ke7 38. Re1+ Kd6 39. Re8 c5 {[%cal Oc5c4]} 40. Rd8+ Ke6 {[%cal Oc5c4]} 41. Re8+ Kf6 42. Ra8 c4+ 43. bxc4 Rb2 {[%csl LRa2,LRg2]} 44. Rxa3 Rxg2 45. cxd5 Rxh2 {[#] ( -> ...Rh3+)} 46. Ra7 g5 47. Rxb7 g4 48. Ke3 g3 49. Kf3 Rxa2 50. Kxg3 {Weighted Error Value: White=0.11 (very precise) /Black=0.09 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.13"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Zacarias, M Ruben D"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2461"]
[BlackElo "2174"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,66,52,65,57,62,65,61,51,56,50,58,54,98,102,102,99,106,89,98,31,82,70,66,66,114,68,72,68,97,87,80,48,54,64,51,37,45,41,51,0,67,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be7 8. Be3 Be6 9. Qd2 O-O 10. O-O-O a5 11. a4 Nc6 12. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Nb4 13. Kb1 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Rc8 14. g5 Nh5 15. Rg1 $1 {White is slightly better.} Qc7 {[%cal Od6d5]} 16. Bb5 g6 17. Qf2 Nf4 (17... Bd8 $14 {might be stronger.}) 18. Bxf4 $16 exf4 19. h4 {[%cal Oh4h5]} Bxb3 20. cxb3 d5 {[#]} 21. Qh2 $146 (21. Nxd5 Nxd5 22. exd5 (22. Rxd5 Bc5 $11) 22... Bc5 $11) ({White should try} 21. exd5 $16 {Black must now prevent Rge1.} Bc5 22. Qe1) ({Predecessor:} 21. Rge1 d4 22. Nd5 Nxd5 23. exd5 Bb4 24. Rh1 Rfd8 25. Bc4 Qe5 26. h5 Bf8 27. Qh4 {1-0 (61) Efremov,A (2552)-Szczepankiewicz,D (2477) ICCF email 2012}) 21... d4 (21... Qe5 $14) 22. Nd5 (22. Rxd4 Bc5 23. Rd7 Bxg1 24. Qxg1 Qb8 $11) 22... Nxd5 23. exd5 Bd6 (23... Rfd8 $14) 24. Rxd4 (24. Rge1 $16) 24... Bc5 $1 $14 25. Rc1 {[%cal Od5d6]} Qe5 26. Re4 ({Don't blunder} 26. Rxf4 $2 Be3 27. Re1 (27. Rxc8 $2 Rxc8 28. Bc4 Bxf4 $19) 27... Qxf4 $19) 26... Qxd5 27. Qxf4 Bd6 28. Qf6 {aiming for Rxc8.} Rxc1+ 29. Kxc1 {[%cal Oh4h5] And now h5! would win.} Bb4 30. Bc4 {Active counter play!} Qd6 (30... Rc8 $2 31. Re8+ $3 {[%mdl 512]} Rxe8 32. Bxd5 $18) 31. Re6 Qd2+ $1 $11 ({Don't play} 31... Qh2 {[#]} 32. Kb1 $1 Qc7 33. Re5 $16) 32. Kb1 {Strongly threatening Re5.} Bc3 $1 {Inhibits Re5.} 33. bxc3 {White wants to mate with Rd6. Dancing on a razor blade.} Qd1+ {Weighted Error Value: White=0.12 (very precise) /Black=0.08 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.14"]
[White "Herrera Ortiz, Miguel"]
[Black "Diaz Perez, Michel Alejandro"]
[Result "0-1"]
[ECO "C92"]
[WhiteElo "2297"]
[BlackElo "2459"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,140,26,22,23,30,36,21,37,36,33,27,28,29,36,20,15,23,33,7,35,0,30,-23,-5,-22,35,32,33,24,25,0,27,0,0,0,0,0,18,29,15,0,0,0,0,0,0,0,9,8,24,-38,0,-15,-16,-13,0,-49,-68,-89,0,0,0,-77,-68,-88,0,-48,-43,-30,0,0,72,56,48,-91,-95,-282,-282,-260,-258,-258,-261,-275,-275,-272,-259,-279,-275,-273,-257,-248,-237,-225,-220,-216,-136,-90,-51,-75,-53,-90,-93,-174,-172,-172,-164,-156,-151,-246,-151,-151,-151,-29980,-29980,-29981,-29980,-29979,-29981,-29983,-29984,-29982,-29974]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 $1 {[%mdl 4] now scores much better than the old 9...Na5.} 10. d4 Re8 11. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} exd4 {C92: Closed Ruy Lopez: 9...Be6, Karpov and Flohr-Zaitsev Variations.} 12. cxd4 Nd7 13. Nf1 Na5 {[%cal Bc6a5,Ba5c4,Bc4b6][%mdl 32] The position is equal.} 14. Bc2 Bf6 15. Rb1 c5 16. d5 {To avoid Nc6} Nc4 17. Ng3 g6 18. b3 Ncb6 19. Nh2 Bd4 {[#]} 20. Nf3 $146 ({Predecessor:} 20. Ng4 Kh8 21. Rf1 a5 22. Kh1 Bg7 23. f4 Qh4 24. Kh2 a4 25. bxa4 Nxa4 26. Bxa4 Rxa4 27. Rxb5 {1-0 (55) Jakubowski,K (2517)-Vogel,R (2477) Czech Republic 2018}) 20... Bc3 21. Re2 ({Better is} 21. Bd2 Bg7 22. Bd3) 21... b4 22. Bg5 f6 (22... Bf6 $1 $11 23. Bf4 Ne5) 23. Bd2 Bxd2 $1 24. Qxd2 a5 25. Bd3 Ne5 26. Bb5 Nxf3+ 27. gxf3 {[%cal Bg2f3,Bf3f4,Bf4f5][%mdl 32]} Re7 28. f4 Qf8 29. f5 Bc8 30. Kh2 a4 31. Qf4 Rg7 32. Rg1 axb3 33. axb3 Ra5 34. Bc6 Ra3 35. Rb1 (35. Re3 $1 $11) 35... Qe7 36. Qd2 Ba6 (36... gxf5 $2 37. exf5 Qd8 38. Re8+ Qxe8 39. Bxe8 $18) 37. Ree1 Qe5 38. Rec1 (38. fxg6 $11 hxg6 39. f4) 38... g5 $15 (38... gxf5 39. exf5 (39. f4 Qd4 $17) 39... Qd4 40. Qxd4 cxd4 41. Re1 $16 (41. Ne4 Bd3 $15)) 39. Kg1 Qf4 {Black is more active.} 40. Qb2 {aiming for Nh5.} Qe5 $1 {Threatens to win with ...Bd3.} (40... Rf7 41. Ra1 $16) 41. Qd2 {To avoid Bd3} Ra7 42. Re1 {[#]} Bc8 (42... Nc4 $1 $17 43. bxc4 Bxc4) 43. Qe2 (43. h4 $11) 43... Ra2 $36 {[%mdl 2048] Black has some pressure.} 44. Qf3 {[%cal Oh3h4]} Rc2 45. Re2 Raa2 (45... Rc3 $11 {keeps the balance.} 46. Qg4 c4 47. bxc4 Nxc4) 46. Rxc2 $16 Rxc2 47. Qd3 {[#]} (47. h4 $1 $14 {stays ahead.}) 47... Rc3 $1 $17 48. Qb5 (48. Qe2 $17 {is the only way for White.}) 48... Rxg3+ $19 49. fxg3 Qxg3+ 50. Kh1 Qxh3+ 51. Kg1 Qg3+ 52. Kh1 Qf3+ 53. Kg1 Qe3+ (53... Qxe4 $2 54. Rf1 $19) 54. Kh2 Qf4+ 55. Kg1 {[#]} Qxe4 $1 {Really sharp!} 56. Rf1 Bxf5 57. Rxf5 (57. Qxb6 {is a self mate.} Qg4+ 58. Kf2 Qf4+ 59. Ke1 Qe3+ 60. Kd1 Bg4+ 61. Kc2 Qe2+ 62. Kb1 Qxf1+ 63. Ka2 Qf2+ 64. Ka1 Qe1+ 65. Kb2 Qd2+ 66. Kb1 Bf5+ 67. Ka1 Qe1+ 68. Kb2 Qb1#) 57... Qxf5 58. Qxb6 Qb1+ 59. Kf2 Qc2+ (59... Qxb3 60. Qd8+ Kg7 61. Qe7+ Kg6 62. Be8+ Kf5 63. Bd7+ Kg6 64. Be8+ Kf5 65. Qe6+ Kf4 66. Qxd6+ Kg4 67. Qe6+ Kf4 68. Qxf6+ Ke4 69. d6 Qe3+ 70. Kg2 Qe2+ 71. Kh3 $18) 60. Kg1 Qd1+ ({Of course not} 60... Qxb3 $6 61. Qd8+ Kg7 62. Qe7+ Kg6 63. Be8+ Kf5 64. Bd7+ Kg6 65. Be8+ Kf5 66. Bd7+ Kg6 67. Be8+ $11) 61. Kg2 (61. Kf2 $17) 61... Qe2+ ({And not} 61... Qxb3 62. Qd8+ Kg7 63. Qe7+ Kg8 64. Qd8+ Kg7 65. Qe7+ Kg8 66. Qd8+ $11) 62. Kg1 Qe7 {To avoid Qd8+} 63. Qb8+ Kg7 {...g4 is the strong threat.} 64. Qc8 c4 65. bxc4 b3 {[%cal Bb4b3,Bb3b2][%mdl 32] ( -> ...b2)} 66. Qb8 $2 (66. Qd7 $17 Qxd7 67. Bxd7) 66... Qe1+ {Black mates.} 67. Kh2 Qe5+ 68. Kh3 b2 69. Bd7 Qe3+ 70. Kh2 Qe2+ {Weighted Error Value: White=0.20 (precise) /Black=0.15 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.15"]
[White "Medina Diaz, Rafael Alejandro"]
[Black "Berdayes Ason, Dylan Isidro"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2287"]
[BlackElo "2445"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,92,-10,-14,-8,-16,-29,-24,-23,-38,-25,-41,-30,-6,-29,-21,-43,-37,-38,-43,-63,-14,-20,-15,-9,-15,-75,-68,-70,0,-39,-42,-106,-110,-106,-111,-108,-96,-148,-157,-160,-160,-147,-151,-147,-149,-146,-106,-114,-114,-113,-114,-112,-109,-113,-109,-413,-413,-421,-421,-421,-421,-433,-403,-5181,-2466,-2568,-1075,-29972,-29974,-29974,-29975,-29975,-29976,-29977,-29978,-29978,-29979,-29977,-29940]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Bb5 Rc8 9. O-O {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} e6 10. Be3 Be7 11. Rc1 {Black has an edge.} O-O 12. Be2 {[#]} Qd7 $146 ({Predecessor:} 12... Ncb4 13. Qb3 Nxe3 14. fxe3 Qb6 15. a3 Nd5 16. Qxb6 Nxb6 17. Rfd1 Rfd8 {1-0 (63) Breckenridge,S (2299)-Milov,V (2622) Dubai 2014}) 13. h3 Bh5 14. Re1 Rfd8 15. a3 Nxc3 16. Rxc3 Bf6 17. Rd3 Bxf3 (17... Bg6 $15 18. Rc3 h6) 18. Bxf3 $11 Nxd4 19. Bxb7 {This bishop pair is nice.} Rb8 {[%cal Bc8b8,Bb8b2,Bb2b6,Bb6d6][%mdl 32]} 20. Be4 ({Of course not} 20. Bxd4 Bxd4 21. Ba6 Qd6 $17) (20. Ba6 $1 $11) 20... Rxb2 $17 21. Qc1 Rdb8 (21... Rb6 $15) 22. Qc4 {[%cal Re3d4]} e5 {[%cal Be6e5,Be5f4][%mdl 32]} 23. f4 ({Better is} 23. Rc1 $15) 23... Rc8 24. Qa6 Rb6 $36 {[%mdl 2048] Keeping White busy. Black is more active.} 25. Qa5 exf4 (25... Rb5 26. Qd2 Bh4 27. Rd1 $15) 26. Bxd4 (26. Bxf4 $142 g6 27. Kh1) 26... Bxd4+ 27. Kh1 g6 {Prevents Bf5.} 28. Red1 Rd6 29. Qd2 {[%cal Rd3d4] [#]} Rd8 $1 30. Qxf4 Kg7 31. Bc6 Qxc6 32. Rxd4 Rxd4 33. Rxd4 {[%mdl 4096] Endgame Hoping for Qe5+. KQR-KQR} Re8 {Prevents Qe5+.} 34. Rd6 Qc5 {( -> ...Re1+)} ({Don't play} 34... Qc3 $6 35. Rd7 Qf6 36. Qxf6+ Kxf6 37. Rxa7 $11) 35. Rf6 $2 {[%mdl 8192] This move loses the game for White.} (35. Qb4 $17 {is more resistant.} Qxb4 36. axb4) 35... Re1+ $19 36. Kh2 Qg1+ 37. Kg3 Re3+ ({Weaker is} 37... Re7 38. Qf2 Qa1 39. Ra6 $19) 38. Kh4 {[#]} Qe1+ $1 39. g3 {[#]} (39. Qf2 $142 Qxf2+ 40. Rxf2) 39... Qxg3+ $3 {[%mdl 512]} 40. Qxg3 Rxg3 41. Rxf7+ Kxf7 {Black mates.} 42. Kxg3 {K3P-KPP} Kf6 43. Kf4 g5+ 44. Ke4 h5 45. a4 a5 46. Kd4 Kf5 {Weighted Error Value: White=0.55/Black=0.19 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.16"]
[White "Sanchez Alvarez, Roberto Carlos"]
[Black "Guerrero Rodriguez, Alejandra"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2407"]
[BlackElo "2019"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,93,64,55,63,46,37,26,36,35,35,31,88,36,29,36,38,29,34,8,6,-2,51,51,51,51,51,51,57,13,51,42,63,21,37,29,56,45,60,60,127,60,80,60,86,95,93,83,99,8,600,592,568,568,529,487,383,-29995,1101,0,29990,0,35,0,31,0,0,0,0,0,0,0,0,0,0,-80,31,0]} 1. d4 c5 2. d5 d6 3. e4 Nf6 4. Nc3 g6 5. Bb5+ Nfd7 6. a4 Bg7 7. Nf3 O-O 8. O-O Na6 9. Re1 Nc7 10. Bf1 a6 {A43: Schmid Benoni.} 11. Bf4 Rb8 {was the old line (11...f6).} 12. a5 b5 {White has an edge.} 13. axb6 Nxb6 14. Qd2 Nb5 {[#]} (14... Bg4 $14) 15. Nxb5 $146 (15. Bxb5 axb5 16. Bh6 Nc4 $11) (15. Bh6 $16) ({Predecessor:} 15. Bh6 Nxc3 16. Bxg7 Kxg7 17. Qxc3+ f6 18. Bxa6 Bg4 19. Nd2 Qc7 20. h3 Bd7 21. Nf3 {0-1 (57) Wagner,D (2581)-Zaragatski,I (2522) Lichess.org INT 2021}) 15... axb5 $14 16. Bh6 Bg4 17. Bxg7 Kxg7 18. Bxb5 (18. h4 {seems wilder.} Bxf3 19. Qc3+ Kg8 20. Qxf3 Qd7 21. Ra6) 18... Bxf3 19. Qc3+ f6 (19... Kg8 $1 $11 20. Qxf3 Nxd5) 20. Qxf3 Nxd5 $1 21. exd5 Rxb5 22. b3 Qd7 23. Ra4 (23. Re6 $14) 23... Rf7 24. Rae4 Qb7 25. R1e3 {White is more active.} (25. Qe3 $14 {is more appropriate.}) 25... Ra5 26. Qd1 Qa7 27. Re1 Ra2 28. h4 h5 (28... Qd7 $14) 29. Re6 (29. g4 $1 $16 {[%cal Rg4h5]}) 29... Qb7 30. R1e3 {And now Qd3 would win.} Qb4 31. R6e4 {To avoid Qd4} Qa3 32. Kh2 $1 ({Not} 32. Rxe7 $2 Ra1 33. Qxa1 (33. Rxf7+ $2 Kxf7 34. Qxa1 Qxa1+ $19) 33... Qxa1+ $19) 32... Qb2 33. Rxe7 ({White should try} 33. Qe1 $16) 33... Qxc2 $2 {[%mdl 8192] [#]} (33... Qd4 $11 34. Qxd4 cxd4) 34. Qe1 $1 $18 {Intending Rxf7+ and mate.} ({And not} 34. Qxc2 Rxc2 35. R7e6 Rxf2 $11) 34... Ra7 {[#]} 35. Rxa7 Rxa7 36. Re7+ Rxe7 {[%mdl 4096] Endgame} 37. Qe4 {[%mdl 8192]} Re6 $4 {[%mdl 8192]} 38. Qxe6 $2 {KQ-KQ} (38. Qxc2 $18 Re7 39. Qd3) 38... Qe4 {[%mdl 8192]} 39. Qxd6 $2 (39. Qxe4 {mates} g5 40. g4 Kf8 41. gxh5 Kf7 42. Qe6+ Kf8 43. h6 g4 44. h7 g3+ 45. fxg3 Kg7 46. Qg8+ Kh6 47. h8=Q#) 39... Qxh4+ $11 40. Kg1 {Black must now prevent Qe7+.} Qe4 {Inhibits Qe7+.} 41. Qxc5 {Hoping for d6.} Qe1+ 42. Kh2 {aiming for d6.} Qe5+ 43. g3 h4 44. Qc8 Qxd5 45. Qc4 Qf3 46. Qd4 (46. Qc7+ $11 {remains equal.} Kg8 47. Qc4+ Kg7 48. Qc7+ Kg8 49. Qc4+ Kg7) 46... Kg8 ({Don't play} 46... Qxb3 47. Qd7+ Kf8 48. Qc8+ Kg7 49. Qd7+ Qf7 50. Qxf7+ Kxf7 51. gxh4 $11) (46... hxg3+ $17 47. fxg3 Qxb3) 47. b4 {[%mdl 32768] Weighted Error Value: White=0.62/Black=0.47. Loss on time!?} (47. gxh4 $5 {[%cal Rb3b4]} Kf7 48. b4 $16) 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.17"]
[White "Valdes Romero, Leonardo"]
[Black "Fernandez Sanchez, Mario Andres"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2404"]
[BlackElo "2093"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,99,21,23,37,29,44,35,31,25,84,87,151,145,168,179,172,158,141,160,201,153,144,95,93,71,67,17,135,65,116,132,340,312,358,201,291,89,106,43,124,136,131,129,143,150,202,184,207,182,217,185,256,247,436,435,428,428,417,363,363,363,363,363,363,363,363,363,356,324,412,104,104,104,104,0,39,39,40,0,29997,29998]} 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 a6 5. Qc2 e6 6. b3 Bd6 7. d4 O-O 8. Be2 Nbd7 9. Bb2 Re8 10. O-O Qe7 11. Rfd1 h6 {[#] D45: Semi-Slav: 5 e3.} 12. a4 $146 ({Predecessor:} 12. Rac1 b6 13. e4 dxe4 14. Nxe4 Nxe4 15. Qxe4 Bb7 16. c5 Bc7 17. cxb6 Bxb6 18. Bd3 {0-1 (56) Kropik,M (2098)-Jirovec,A (1977) Austria 2019}) 12... a5 13. h3 dxc4 {White is slightly better.} 14. Bxc4 e5 (14... Nd5 $11) 15. Nh4 $1 $16 {Strongly threatening Nf5.} exd4 (15... Nf8 $142) 16. Nf5 Qf8 17. Nxd6 ({But not} 17. exd4 $6 Bb4 $14) ({Don't do} 17. Rxd4 $6 Bc5 $14) (17. Nxd4 $6 Ne5 $14) 17... Qxd6 18. Rxd4 Qe7 19. Ba3 c5 (19... Nc5 $16 20. Nb5 b6) 20. Nd5 Nxd5 21. Rxd5 (21. Bxd5 $142 Qg5 22. Bxc5) 21... b6 22. Bb2 {Inhibits Ne5. aiming for Rf5.} Nf6 23. Re5 ({Better is} 23. Bxf6 $14 Qxf6 24. Rad1) 23... Qc7 (23... Be6 $11 {keeps the balance.}) 24. Rxe8+ Nxe8 25. Rd1 $1 {Black must now prevent Qe4.} Bb7 {Inhibits Qe4.} (25... Qe7 $16) 26. Qf5 $18 {Threatening mate with Rd7.} Bc6 {Prevents Rd7.} 27. h4 (27. e4 $142) 27... Ra7 (27... Qe7 $142 28. g3 Ra7) 28. h5 $2 (28. Qg6 $1 $18 {and the rest is easy.}) 28... Qe7 $16 29. Bd3 $40 {[%mdl 128] White is up to no good. White is much more active. Black has bad knights. This bishop pair is nice.} (29. Qg6 $1 $16 {[%cal Rg6c6]} Rc7 30. Bc3) 29... Qg5 (29... Kf8 $1 $14) 30. Qxg5 hxg5 {[#]} 31. Bf5 $1 {Inhibits Rd7.} Ra8 32. f3 Kf8 (32... c4 $16 {keeps fighting.}) 33. e4 $18 {[%cal Be3e4,Be4e5][%mdl 32]} Ra7 34. Kf2 Ke7 35. g3 {[%cal Bg2g3,Bg3f4,Bf4e5][%mdl 32]} f6 (35... Rb7 {is a better defense.} 36. e5 Nc7) 36. e5 b5 $2 (36... fxe5 37. Bxe5 Kf8) 37. axb5 Bxb5 38. Ba3 Rc7 39. f4 gxf4 40. gxf4 fxe5 41. fxe5 a4 42. bxa4 Bxa4 43. Rd5 Kf7 44. Bxc5 ({Not} 44. Rxc5 Rxc5 45. Bxc5 Nc7 $18) 44... Rb7 45. Bd4 $2 (45. Rd8 $18) 45... Nc7 $16 46. Rd6 {Bc5 is the strong threat.} Nb5 {[#]} 47. Rd5 (47. Rb6 $1 $16 Rxb6 48. Bxb6) 47... Nxd4 48. Rxd4 Bb3 49. Rd6 Re7 $2 {[%mdl 8192]} (49... Rb5 $11) 50. Bg6+ {Weighted Error Value: White=0.37/Black=0.54} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.18"]
[White "Avila Rodriguez, Joshua Ad"]
[Black "Jimenez Garcia, Emmanuel"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2182"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "267"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,266,43,43,69,57,56,55,87,102,97,99,114,75,85,96,106,84,67,55,45,56,39,49,62,34,89,93,81,74,66,68,69,35,42,24,52,62,39,11,88,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,20,0,0,0,0,0,26,21,115,115,115,115,120,116,272,268,247,257,265,250,249,253,401,401,504,386,826,807,705,668,605,553,4698,12847,29956,29956,29966,29968,1527,12837,12845,12841,12832,29938,12845,12824,12833,29946,12850,12839,12833,12835,12845,12847,29962,29964,29964,29967,29967,29970,29981,29967,29980,29967,29963,12502,29978,29979,29982,163,163,163,29983,163,163,163,163,163,163,163,163,60,60,60,60,60,60,60,60,60,60,60,29978,60,60,32,32,32,32,32,32,32,40,40,40,40,40,40,40,40,40,40,40,40,40,20,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 g6 2. d4 d6 3. Nf3 Bg7 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. Re1 e5 8. h3 Re8 9. d5 Ne7 {B07: Pirc Defence: Miscellaneous Systems.} 10. c4 h6 {was the old line (10...Nd7).} 11. Nc3 g5 {White is slightly better.} 12. h4 g4 13. Nh2 c6 {[#]} 14. Be2 $146 {[%cal Re2g4]} ({Predecessor:} 14. g3 h5 15. Bg5 Nh7 16. Qd2 Rf8 17. dxc6 bxc6 18. Rad1 Be6 19. Be2 Qc7 20. Qxd6 Qxd6 21. Rxd6 Nxg5 22. hxg5 {1-0 (37) Iovcov,V (2368)-Mamedov,R (2650) Jerusalem 2015}) 14... cxd5 15. cxd5 {[%cal Re2g4]} h5 16. Nf1 Nh7 17. Ne3 f5 18. exf5 Nxf5 19. Nxf5 Bxf5 20. g3 (20. Bd3 {feels hotter.} Bxd3 21. Qxd3 Qxh4 22. Qg6 g3 23. fxg3 Qg4 24. Qxg4 hxg4 25. Re4) 20... e4 (20... Qf6 $14) 21. Bb5 $16 Re7 22. Be3 a6 23. Bf1 Qf8 24. Bd4 Rae8 25. Bg2 Bxd4 26. Qxd4 Qf6 27. Rad1 (27. Qd2 {is interesting.} Bg6 28. Rac1 Qf7 29. Re2 Nf6 30. Rce1) 27... Kg7 (27... Qxd4 $11 {keeps the balance.} 28. Rxd4 Nf6) 28. Re3 (28. Nxe4 $2 Qxd4 29. Rxd4 Nf6 $19) (28. Qb6 $16) 28... Qxd4 $11 29. Rxd4 {[%cal Rg2e4]} Nf6 30. Kf1 {[%cal Bg1f1,Bf1e2,Be2d2][%mdl 32]} Re5 31. Ke2 Rc8 32. Kd2 Rce8 33. b4 Bg6 34. a4 b6 35. Bf1 Ra8 36. Bc4 Kf8 37. Ne2 b5 38. Nf4 Be8 39. axb5 axb5 40. Bb3 Rc8 41. Bc2 Rc4 (41... Bf7 $11 {remains equal.}) 42. Rxc4 $16 {Active counter play!} bxc4 43. Kc3 {Threatens to win with Kd4.} Bf7 44. Kxc4 Nxd5 $2 (44... Kg7 $16) 45. Nxd5 $18 Rxd5 $16 {[%mdl 4096] Endgame KRB-KRB} 46. Kc3 $1 (46. Bxe4 Rc5+ 47. Kd3 Rc4 $14) (46. Rxe4 $2 Rd2+ 47. Kb5 (47. Kc3 $2 Rxc2+ 48. Kd4 Rxf2 $19) 47... Rxc2 $19) 46... Rf5 47. Bxe4 ({Less strong is} 47. Rxe4 Rxf2 48. Re3 Be8 $14) 47... Rxf2 48. b5 {Hoping for b6.} d5 (48... Ke8 $142 49. Kb4 Kd8) 49. Bd3 $18 {Black must now prevent b6.} Be8 50. Re5 {And now b6 would win.} Rf3 $2 (50... Rf6 51. Rxd5 Re6) 51. b6 {Intending b7 and mate.} Bc6 52. Rxh5 Rxg3 53. Rh6 d4+ 54. Kxd4 Bh1 55. Rh7 Kg8 56. Rc7 Rg1 57. Ke5 (57. h5 $142 Ra1 58. b7 Bxb7 59. Rxb7) 57... Rd1 58. Be4 {Threatening mate with b7.} Re1 59. Rc8+ Kg7 {[#]} 60. b7 $1 Rxe4+ {KRB-KR} 61. Kf5 Rb4 62. b8=Q Rxb8 63. Rxb8 {KR-KB} g3 64. Kf4 Bd5 65. Kxg3 Be6 66. Kf4 Bg8 67. Kg5 Kh7 68. Kf6 Kh8 69. Rb5 Bh7 70. Rb7 (70. Kg5 $142 Kg8 71. Rb8+ Kg7 72. Rd8 Bb1 73. Rd7+ Kh8 74. Kh6 Kg8 75. Rg7+ Kf8 76. Rg5) 70... Bg8 71. Kg6 Bc4 72. h5 $2 (72. Rh7+ Kg8 73. Rd7 Kh8 74. h5 Ba2 75. Rh7+ Kg8 76. Rb7 Kh8 77. h6) 72... Bd3+ {[#]} 73. Kh6 $1 {[%cal Rb7b8]} Bc4 $2 (73... Kg8 $18 74. Rd7 Be4) 74. Kg5 $2 (74. Rb8+ Bg8 75. Kg5 Kg7 76. h6+ Kh7 77. Re8 Kh8 78. Rd8 Kh7 79. Rd7+ Kh8 80. Kg6) 74... Bd3 75. Rb8+ Kh7 76. Kf6 Be4 77. Rc8 Bd3 78. h6 ({Better is} 78. Kg5 $18 Kg7 79. Rd8) 78... Be4 (78... Kxh6 79. Rd8 Bg6 80. Rd1 Kh5 81. Rh1+ Kg4 82. Kxg6 Kf4 83. Re1) 79. Rc7+ ({Not} 79. Kg5 Bd3 80. Rc5 Kg8 $18) 79... Kh8 (79... Kxh6 {is a self mate.} 80. Rc4 Bg6 81. Rh4+ Bh5 82. Rh3 Kh7 83. Rxh5+ Kg8 84. Rh4 Kf8 85. Rh8#) 80. Re7 Bd3 81. Kf7 Bc4+ 82. Kf8 $1 Bd3 83. Re3 Bc4 $2 {[%mdl 8192] [#]} (83... Bb1 $14 84. Ke7 Kg8) 84. Rg3 $2 (84. Ke7 $1 {mates} Ba2 85. Re1 Bb3 86. Re2 Kh7 87. Kf6 Bd1 88. Rd2 Bf3 89. Rd4) 84... Kh7 $14 85. Rg7+ Kxh6 86. Rg2 Bd5 87. Rg3 Bc4 88. Ke7 Kh7 89. Kf6 Bd5 90. Rg4 Bb3 91. Rh4+ Kg8 92. Rh2 Bc4 93. Rc2 Bd5 94. Rc5 Ba2 95. Kg6 {[%cal Rc5c8]} Bb1+ {The position is equal.} 96. Kh6 Kf7 97. Rc7+ Kf6 98. Rd7 Bc2 99. Rd2 Be4 100. Rf2+ Bf5 101. Kh5 Ke5 102. Kg5 Bd3 103. Rf8 Kd4 104. Kf4 Kc3 105. Ke3 Bc2 106. Rb8 Bf5 107. Rb5 Bg6 108. Rc5+ Kb2 109. Kd2 Bb1 110. Rb5+ Ka1 111. Kc1 Ba2 112. Kc2 Bf7 113. Rb6 Ba2 114. Rb7 Bd5 115. Rb4 Ba2 116. Rb6 Bd5 117. Rb4 Ba2 118. Rb2 Bd5 119. Rb1+ Ka2 120. Re1 Bb3+ 121. Kc3 {Re2+ would kill now.} Bf7 122. Re2+ Ka1 123. Re7 Ba2 124. Ra7 Kb1 125. Ra5 Ka1 126. Rb5 Bf7 127. Kc2 Bg6+ 128. Kc1 {[%cal Rb5a5]} Bf7 129. Ra5+ Ba2 130. Kd2 Kb2 131. Rb5+ Ka1 132. Kc2 Bf7 133. Ra5+ Ba2 134. Ra6 {Weighted Error Value: White=0.10 (very precise) /Black=0.35} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.19"]
[White "Avila Bautista, Roberto Al"]
[Black "Perez Gormaz, Matias"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2090"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,83,10,0,7,0,9,-18,0,0,0,-2,9,-9,0,-20,0,0,0,-20,0,-4,-11,-2,-3,-5,-15,-16,-15,-12,-7,-8,0,0,0,0,0,-16,0,-42,0,0,0,0,0,0,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,8,8,12,-8,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. b3 O-O 6. c4 d4 7. e3 c5 {A14: English Opening: 1...e6 with b3 by White.} 8. exd4 cxd4 9. Ba3 Nc6 10. Re1 Re8 11. Bxe7 Rxe7 12. Ne5 Nxe5 13. Rxe5 {[#]} Nd7 $146 ({Predecessor:} 13... Qd6 14. Re1 e5 15. Qc1 Bf5 16. Qa3 Qc7 17. Qb2 Rd8 18. Na3 a6 19. Rac1 b6 {1-0 (30) Moehring,G (2275)-De Andres Gonalons,F Berlin 1998}) 14. Re1 Nc5 15. d3 a5 16. Qc2 e5 17. Nd2 Bf5 18. Ne4 Bxe4 19. Bxe4 Nxe4 20. Rxe4 f5 21. Re2 Ra6 22. Rae1 Rae6 {[%cal Oe5e4]} 23. Qd2 e4 24. Qf4 {[%csl LRe4,LRf5]} g6 25. h4 (25. g4 $1 $11) 25... Qd7 (25... h5 $15) 26. h5 $11 {The position is equal.} exd3 27. Rxe6 Rxe6 {[%mdl 4096] Endgame KQR-KQR} 28. Rd1 Re4 29. Qf3 Qe7 {[#] And now ...Re1+ would win.} 30. Rxd3 Qa3 31. hxg6 hxg6 32. Qd1 Qe7 {White must now prevent ...Re1+.} 33. Kg2 Qe5 34. Qd2 Kg7 35. Rf3 Re2 36. Qf4 Kf6 37. Qh4+ Kg7 38. Qf4 Qe4 39. Qc7+ Kh6 40. Qd8 Kg7 41. Qc7+ Kh6 42. Qd8 {A balanced but interesting game.  Weighted Error Value: White=0.05 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.20"]
[White "Henderson de La Fuente, Lance"]
[Black "Ruiz Perez, Juan Octavio"]
[Result "1-0"]
[ECO "D91"]
[WhiteElo "2494"]
[BlackElo "2074"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,111,-12,-19,-6,-5,-2,-20,-21,-23,-8,-8,3,0,40,32,34,39,31,19,31,35,47,44,62,87,93,95,85,97,174,113,211,214,223,209,200,60,92,93,87,104,113,118,155,166,193,189,215,214,215,208,215,215,310,199,213,201,230,199,223,199,233,192,370,389,479,387,391,388,356,301,417,386,414,401,414,362,405,372,460,438,640,706,864,872,1134,1114,6203,6203,29978,29977,29978,29972,29988,29989]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Nf3 exd5 9. e3 O-O 10. Be2 Qd6 {D91: Grünfeld: 4 Nf3 Bg7 5 Bg5.} 11. O-O Re8 12. Rc1 c6 {To avoid Nb5. The position is equal.} 13. a3 {[#]} a5 $146 ({Predecessor:} 13... Nd7 14. Qc2 Nb6 15. Na4 Bf5 16. Qb3 Nxa4 17. Qxa4 Bf6 18. Rc3 h5 19. Rfc1 Kg7 20. b4 a6 21. Qb3 Re6 22. a4 g5 23. Bd3 Bxd3 24. Rxd3 g4 25. Nd2 Be7 {½-½ (25) Panno,O (2495)-Rubinetti,J (2460) Buenos Aires 1989}) 14. Na4 {[%cal Bc3a4,Ba4c5,Bc5d3,Bd3b4][%mdl 32]} Bg4 15. Qb3 Bxf3 16. Bxf3 b5 17. Nc5 a4 18. Qc2 Ra7 19. Rfd1 {[%cal Bf1d1,Bd1d3,Bd3c3][%mdl 32]} f5 20. Nd3 Rf7 21. g3 Kh8 22. Nb4 {[%cal Rb4c6]} Rf6 23. Rd3 Ref8 {[#]} (23... Bf8 $16) 24. Bg2 ({White should try} 24. h4 $1 $18) 24... Bh6 (24... g5 $16) 25. Rc3 $18 f4 26. exf4 g5 27. f5 (27. Nxc6 $18 {Threatens to win with Ne5.} Nxc6 28. Rxc6 Qxc6 29. Qxc6 Rxc6 30. Rxc6) 27... g4 28. Rf1 Bg7 29. f4 Rxf5 30. Rd1 {[%cal Rb4c6]} R5f6 {[#]} 31. Nd3 $1 {White is more active.} Re6 32. Ne5 Bxe5 33. dxe5 ({Don't play} 33. fxe5 $6 Qd7 34. Bf1 Qd8) 33... Qd8 34. Rc1 Qb6+ 35. Kh1 Rf7 (35... Qd8 {might work better.} 36. Bf1 h5) 36. Rc5 Kg7 37. Qc3 Qd8 38. Qd4 h5 39. R5c3 Qf8 40. h4 Rf5 $2 (40... Qe7 {is a better defense.} 41. Bf1 Qa7) 41. Bf1 Qe8 42. Bd3 Rf7 43. Bb1 Kg8 44. Kh2 {[%cal Bh1h2,Bh2g1,Bg1g2][%mdl 32]} Kf8 45. Re3 Nd7 46. Rce1 Rfe7 47. Kg1 Kg8 48. Kg2 Kf8 49. Bf5 Rh6 (49... c5 $142 50. Qxd5 Nb6 51. Qxc5 Qc6+ 52. Qxc6 Rxc6) 50. Bxd7 Qxd7 51. f5 {[%cal Bf4f5,Bf5f6][%mdl 32]} c5 52. Qf4 Rh8 53. e6 Qc6 54. Kh2 {White mates.} d4 55. Re4 d3 56. f6 {Weighted Error Value: White=0.18 (very precise) /Black=0.29 (precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.21"]
[White "Ibarra Chami, Luis Fernando"]
[Black "Amezcua Luria, Jesus"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2451"]
[BlackElo "2001"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,56,29,26,15,75,83,79,65,97,83,157,125,131,133,131,101,108,98,147,133,161,123,235,209,237,242,244,236,237,187,202,199,412,380,497,497,726,715,940,846,1333,1311,2189,1704,29996,2013,1792,1777,29999]} 1. d4 Nf6 2. c4 b6 3. f3 e6 4. e4 {[%cal Be2e4,Be4e5][%mdl 32]} d5 5. e5 Ng8 6. Nc3 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6).} Bb7 (6... dxc4 $11 {remains equal.} 7. Bxc4 Nc6) 7. cxd5 $16 exd5 8. f4 {[#] White is better.} g6 $146 ({Predecessor:} 8... Bb4 9. Qa4+ Nc6 10. Bb5 Bxc3+ 11. bxc3 Nge7 12. Ba3 a6 13. Bd3 O-O 14. Qc2 h6 {1-0 (25) Shipov,S (2541)-Chigaev,M (2631) Lichess.org INT 2021}) 9. Nf3 {[%cal Of4f5] f5! is the strong threat.} (9. f5 {feels hotter.} gxf5 10. Qh5 Nc6 11. Bb5 Qd7 12. Nge2) 9... Bg7 (9... Nh6 $142) 10. Bd3 {Black must now prevent f5.} Ne7 {Prevents f5.} 11. O-O {[%cal Of4f5] Threatens to win with f5!} Bc8 {To avoid f5} 12. Be3 {[%cal Bc1e3,Be3f2,Bf2h4,Bh4f6][%mdl 32]} O-O 13. Rc1 {White is more active.} a6 (13... Nbc6 $142) 14. Bf2 Be6 15. h3 Bh6 {[#]} (15... Nbc6 $16) 16. Ne2 $1 $18 Nd7 17. g4 c5 18. Bh4 ({Not} 18. dxc5 bxc5 19. Bh4 (19. Bxc5 Nxc5 20. Rxc5 Qb6 $11) 19... c4 $16) 18... Qe8 19. b4 c4 {[#]} 20. Bb1 Nb8 $2 (20... Kh8 21. Rc3 Rg8) 21. Bf6 {And now Qe1 would win.} Bg7 22. Qe1 Nbc6 (22... Nd7 $142 23. Bxg7 Kxg7) 23. Qh4 Qd7 24. Ng3 Rfe8 25. f5 gxf5 26. Bxg7 {Intending Qf6 and mate.} Kxg7 27. Nh5+ (27. Qf6+ $142 Kf8 28. Qh6+ Kg8 29. Nh5 fxg4 30. Qg7#) 27... Kf8 28. Nf6 {[%csl LRd7,LRe8,LRh7][%cal Rh4h6][%mdl 64] Discovered Attack, Double Attack} Qc8 29. Qh6# {Weighted Error Value: White=0.14 (very precise) /Black=1.06} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.22"]
[White "Rosales Campos, Paul"]
[Black "Leon Valdes, Jony Wilson"]
[Result "1/2-1/2"]
[ECO "C14"]
[WhiteElo "2039"]
[BlackElo "2392"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,49,0,0,0,27,0,33,0,0,0,-29,-29,0,-40,-26,-20,-34,-4,-14,-78,-55,-58,-66,-56,-53,-130,-96,-263,-270,-285,0,0,214,124,387,381,339,355]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 h6 7. Be3 c5 8. Qg4 {C14: French: Classical System: 4 Bg5 Be7 main line.} g6 9. Nf3 Nc6 10. O-O-O {White is slightly better.} (10. dxc5 {feels hotter.} Nxc5 11. O-O-O Qa5 12. Kb1 a6 13. Qf4) 10... cxd4 11. Bxd4 Nxd4 12. Rxd4 {[#]} Qb6 $146 ({Predecessor:} 12... a6 13. Bd3 Qc7 14. Re1 Rg8 15. Qf4 Bc5 16. Rxd5 exd5 17. Nxd5 Qb8 18. Qxh6 Bf8 {1-0 (27) Kogan,A (2548)-Gleizerov,E (2590) Alghero 2011}) 13. Bd3 Nc5 14. Bxg6 fxg6 15. Qxg6+ Kd8 16. Rhd1 (16. Qg7 $11 Rf8 17. Qxh6) 16... Bd7 $17 17. Qg7 Re8 18. Qxh6 Kc7 19. h5 (19. Rxd5 $15 Rac8 20. R5d4) 19... Rac8 20. Qg7 $2 (20. Rxd5 $17 Bc6 21. R5d4) 20... Bc6 $19 21. h6 {[%cal Bh5h6,Bh6h7][%mdl 32] [#]} Nd7 $2 (21... Ne4 $1 $19 {[%cal Re4c3] Threatens to win with ...Nxc3.} 22. Nxe4 dxe4) 22. h7 $36 {[%mdl 2048] Black is under pressure.} Qc5 $2 (22... Bc5 $1 $11) 23. Kb1 (23. Rh1 $18) 23... b5 $2 {[%mdl 8192]} (23... Qb6 $16) 24. Rh1 {Dancing on a razor blade.} b4 25. Ne2 {[%mdl 32768] Weighted Error Value: White=0.43/Black=0.63. An unexpected result.} ({Weaker is} 25. Nd1 Bf8 26. Qg4 Be7 $18) 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.23"]
[White "Gemy, Jose Daniel"]
[Black "Montes Orozco, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2381"]
[BlackElo "1914"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,93,22,31,33,45,41,35,59,47,50,57,61,6,9,0,63,58,58,53,84,90,125,125,143,146,108,112,112,102,391,384,350,383,364,40,41,37,74,48,92,12,102,120,136,122,99,103,118,120,126,100,107,112,143,0,0,0,0,0,0,0,0,-166,-163,-338,-337,-412,-393,-393,-86,-96,-83,-98]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Bb3 d6 7. O-O O-O 8. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Ba7 9. h3 Ne7 10. Re1 Ng6 11. Nf1 h6 12. Ng3 c6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 13. d4 Re8 14. Qc2 {[#]} Nh7 $146 {White is slightly better.} ({Predecessor:} 14... c5 15. Be3 Qc7 16. Qd2 Be6 17. Bc2 exd4 18. cxd4 Bb6 19. b4 cxd4 20. Nxd4 Rac8 {½-½ (44) Glatthaar,M (2413)-Van Leeuwen,E (2489) ICCF email 2017}) 15. Be3 Ng5 16. Nxg5 hxg5 17. dxe5 {White is more active.} ({White should try} 17. Qd2 $14) 17... Bxe3 $11 18. Rxe3 {Strongly threatening exd6.} dxe5 (18... Nxe5 $11 19. Qd1 Qf6) 19. Rd1 $14 Qf6 20. Nf5 Bxf5 21. exf5 Nf4 22. g3 $1 Nxh3+ 23. Kg2 g4 {White must now prevent ...Ng5.} 24. Qe4 $1 Rad8 25. Qxg4 Ng5 {[%mdl 8192]} (25... Rxd1 $16 {was necessary.} 26. Qxd1 (26. Bxd1 Ng5 $14) 26... Ng5) 26. Rh1 $1 $18 Rd2 27. Rh5 Ne6 {[%cal Bg5e6,Be6c5,Bc5d7,Bd7f6][%mdl 32] [#]} 28. Re2 $2 {Really sharp!} ({White should play} 28. Rxe5 $3 $18 {[%mdl 512]} b6 (28... g6 29. Rxe6) 29. Qf3 $1 {[%mdl 512]}) 28... Rxe2 $14 29. Qxe2 Nc5 30. Bc2 $1 Qd8 (30... e4 $1 $14 {was preferrable.}) 31. Qe3 (31. Rh4 $16) 31... Qd5+ {[#]} (31... Nd7 $1 $11) 32. Kg1 $1 $16 {[%cal Of5f6]} Nd7 33. Bb3 Qd6 34. g4 Nf6 {[%csl LRg4,LRh5] [#]} 35. Rh4 {aiming for g5.} Nd5 36. Qh3 {[%csl Gh3][%cal Rh4h8]} Kf8 37. g5 {[%cal Of5f6] And now f6! would win.} Nf4 38. Rxf4 exf4 {[%mdl 4096] Endgame KQR-KQB} 39. Qh8+ Ke7 40. Qxg7 Rf8 41. f6+ Ke8 {Hoping for ...Qe5.} 42. g6 $2 (42. Kg2 $1 $11) 42... fxg6 $19 {...b5 is the strong threat.} 43. f7+ $2 ({Don't blunder} 43. Qxg6+ $2 Kd8 44. a4 Rxf6 $19) (43. Qxb7 Rxf6 44. Qxa6) 43... Ke7 44. Qh6 Qf6 {Inhibits Qg5. Threatens to win with ...Rh8.} 45. Qh3 Rxf7 $2 (45... Rh8 $19 46. Qf3 Qf5) 46. Bxf7 $17 Qxf7 47. Qc8 {Black used his chance.  Weighted Error Value: White=0.38/Black=0.50} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.24"]
[White "Galaviz Medina, Sion Radamantys"]
[Black "Zacarias Rodriguez, Santiago"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2374"]
[BlackElo "1896"]
[Annotator "ChessBase"]
[PlyCount "79"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:07:21]} 2. c4 {[%emt 0:00:05]} c5 {[%emt 0:00:11]} 3. d5 {[%emt 0:00:04]} d6 {[%emt 0:00:46]} 4. Nc3 {[%emt 0:00:17]} g6 {[%emt 0:00:06]} 5. e4 {[%emt 0:00:14]} Bg7 {[%emt 0:00:12]} 6. Bd3 {[%emt 0:00:05]} O-O {[%emt 0:00:27]} 7. h3 {[%emt 0:00:04]} e6 {[%emt 0:00:38]} 8. Nf3 {[%emt 0:00:11]} Nbd7 {[%emt 0:00:57]} 9. Bf4 {[%emt 0:01:46]} e5 {[%emt 0:02:53]} 10. Be3 {[%emt 0:00:26]} h6 {[%emt 0:06:35]} 11. g4 {[%emt 0:00:10]} Nh7 {[%emt 0:03:58]} 12. Qd2 {[%emt 0:00:39]} Qf6 {[%emt 0:01:47]} 13. Ke2 {[%emt 0:02:38]} Qe7 {[%emt 0:04:17]} 14. Bxh6 {[%emt 0:01:07]} Bxh6 {[%emt 0:03:41]} 15. Qxh6 {[%emt 0:00:06]} Rd8 {[%emt 0:08:26]} 16. Rag1 {[%emt 0:01:30]} Qf8 {[%emt 0:06:11]} 17. Qc1 {[%emt 0:00:06]} Ndf6 {[%emt 0:05:15]} 18. Nd1 b5 {[%emt 0:06:25]} 19. cxb5 {[%emt 0:03:36]} c4 {[%emt 0:04:16]} 20. Qxc4 {[%emt 0:06:39]} Bd7 {[%emt 0:01:00]} 21. a4 {[%emt 0:00:15]} Rac8 {[%emt 0:02:18]} 22. Qb4 {[%emt 0:00:12]} Rc1 {[%emt 0:02:39]} 23. Ne3 {[%emt 0:00:18]} Rxg1 {[%emt 0:00:20]} 24. Rxg1 {[%emt 0:00:01]} Rc8 {[%emt 0:02:25]} 25. Nc4 {[%emt 0:01:32]} Rc5 {[%emt 0:00:34]} 26. Na5 {[%emt 0:00:44]} Qb8 {[%emt 0:04:46]} 27. Nb3 {[%emt 0:07:12]} Rc8 {[%emt 0:00:09]} 28. a5 {[%emt 0:03:01]} Re8 {[%emt 0:00:16]} 29. Kd2 {[%emt 0:01:49]} Qb7 {[%emt 0:03:20]} 30. g5 {[%emt 0:02:00]} Nxd5 {[%emt 0:00:32]} 31. Qxd6 {[%emt 0:00:10]} Bxb5 {[%emt 0:04:43]} 32. Nc5 {[%emt 0:00:48]} Qc8 {[%emt 0:01:06]} 33. Bxb5 {[%emt 0:00:39]} Rd8 {[%emt 0:00:04]} 34. Bd7 {[%emt 0:00:05]} Nf8 {[%emt 0:03:39]} 35. Nxe5 {[%emt 0:00:24]} Nxd7 {[%emt 0:01:25]} 36. Ncxd7 {[%emt 0:00:20]} Qb7 {[%emt 0:01:12]} 37. Qxd5 {[%emt 0:00:35]} Qxb2+ {[%emt 0:00:12]} 38. Ke3 {[%emt 0:00:15]} Qa3+ {[%emt 0:00:35]} 39. Kf4 {[%emt 0:00:50]} Qe7 {[%emt 0:00:02]} 40. Nc6 {[%emt 0:00:28]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.25"]
[White "Martin Del Campo C., Jorge"]
[Black "Noboa Silva, Kevin"]
[Result "0-1"]
[ECO "A23"]
[WhiteElo "2019"]
[BlackElo "2331"]
[Annotator "ChessBase"]
[PlyCount "76"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:15]} 2. Nc3 {[%emt 0:00:22]} c5 {[%emt 0:01:01]} 3. g3 {[%emt 0:00:18]} e6 {[%emt 0:00:13]} 4. Bg2 {[%emt 0:00:19]} d5 {[%emt 0:00:15]} 5. cxd5 {[%emt 0:06:02]} exd5 {[%emt 0:00:18]} 6. d4 {[%emt 0:03:47]} cxd4 {[%emt 0:00:36]} 7. Qxd4 {[%emt 0:00:33]} Nc6 {[%emt 0:00:31]} 8. Qd1 {[%emt 0:01:33]} d4 {[%emt 0:01:17]} 9. Ne4 {[%emt 0:00:56]} Be7 {[%emt 0:04:21]} 10. Nxf6+ {[%emt 0:00:54]} Bxf6 {[%emt 0:00:06]} 11. Nf3 {[%emt 0:00:09]} O-O {[%emt 0:00:14]} 12. O-O {[%emt 0:00:08]} Re8 {[%emt 0:01:26]} 13. Re1 {[%emt 0:04:19]} Bf5 {[%emt 0:02:25]} 14. Qb3 {[%emt 0:06:06]} Be4 {[%emt 0:04:50]} 15. Bd2 {[%emt 0:05:14]} Bd5 {[%emt 0:03:00]} 16. Qa3 {[%emt 0:08:32]} Qb6 {[%emt 0:05:22]} 17. Rac1 {[%emt 0:11:42]} Rad8 {[%emt 0:05:49]} 18. b3 {[%emt 0:00:56]} h6 {[%emt 0:03:53]} 19. Kf1 {[%emt 0:04:50]} Be7 {[%emt 0:04:18]} 20. Qa4 {[%emt 0:02:49]} Bf8 {[%emt 0:04:23]} 21. Nh4 {[%emt 0:04:28]} Re5 {[%emt 0:02:47]} 22. Bxd5 {[%emt 0:03:12]} Rexd5 {[%emt 0:00:18]} 23. Nf3 {[%emt 0:00:17]} Qc7 {[%emt 0:01:46]} 24. Qc4 {[%emt 0:03:32]} Qd7 {[%emt 0:00:34]} 25. Kg2 {[%emt 0:01:39]} Ba3 {[%emt 0:04:37]} 26. Rcd1 {[%emt 0:00:54]} d3 {[%emt 0:00:21]} 27. e4 {[%emt 0:06:44]} Rh5 {[%emt 0:00:22]} 28. h4 {[%emt 0:00:59]} b5 {[%emt 0:00:19]} 29. Qc3 {[%emt 0:00:43]} Rc5 {[%emt 0:00:55]} 30. Qa1 {[%emt 0:00:15]} Rc2 {[%emt 0:00:49]} 31. Bc3 {[%emt 0:04:53]} Qg4 {[%emt 0:06:26]} 32. Re3 {[%emt 0:02:57]} Bc5 {[%emt 0:00:41]} 33. Bd2 {[%emt 0:06:02]} Bxe3 {[%emt 0:00:26]} 34. Bxe3 {[%emt 0:00:06]} Qxe4 {[%emt 0:00:21]} 35. Rd2 {[%emt 0:01:51]} Rxd2 {[%emt 0:00:51]} 36. Bxd2 {[%emt 0:00:06]} Nd4 {[%emt 0:00:27]} 37. Qd1 {[%emt 0:00:07]} Rd5 {[%emt 0:00:23]} 38. Be3 {[%emt 0:00:06]} Nxf3 {[%emt 0:42:34]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.26"]
[White "Flores Guerrero, Jesus Aldair"]
[Black "Ramirez Toledo, Ayleen Maribel"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "2251"]
[BlackElo "1810"]
[Annotator "ChessBase"]
[PlyCount "86"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. f4 {[%emt 0:10:31]} Nf6 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:08]} g6 {[%emt 0:00:06]} 3. b3 {[%emt 0:00:03]} Bg7 {[%emt 0:00:06]} 4. Bb2 {[%emt 0:00:04]} O-O {[%emt 0:00:09]} 5. g3 {[%emt 0:03:47]} d6 {[%emt 0:00:11]} 6. Qc1 {[%emt 0:00:30]} c5 {[%emt 0:00:52]} 7. Bg2 {[%emt 0:00:09]} Nc6 {[%emt 0:00:06]} 8. O-O {[%emt 0:00:12]} Bd7 {[%emt 0:02:59]} 9. d3 {[%emt 0:02:40]} Qc7 {[%emt 0:02:56]} 10. e4 {[%emt 0:00:42]} Rab8 {[%emt 0:10:24]} 11. h3 {[%emt 0:01:31]} e5 {[%emt 0:08:54]} 12. fxe5 {[%emt 0:03:10]} dxe5 {[%emt 0:00:18]} 13. g4 {[%emt 0:02:31]} Nd4 {[%emt 0:01:53]} 14. Re1 {[%emt 0:02:46]} b5 {[%emt 0:32:30]} 15. Nbd2 {[%emt 0:03:00]} Ne8 {[%emt 0:02:51]} 16. c3 {[%emt 0:01:39]} Ne6 {[%emt 0:01:04]} 17. Nf1 {[%emt 0:00:55]} Nf4 {[%emt 0:01:02]} 18. Qe3 {[%emt 0:00:16]} Qc8 {[%emt 0:06:25]} 19. d4 {[%emt 0:07:25]} cxd4 {[%emt 0:06:08]} 20. cxd4 {[%emt 0:00:28]} Qc2 {[%emt 0:08:14]} 21. Qd2 {[%emt 0:00:20]} Qxd2 {[%emt 0:01:33]} 22. N1xd2 {[%emt 0:00:12]} Nd3 {[%emt 0:00:18]} 23. Re3 {[%emt 0:26:12]} Nxb2 {[%emt 0:00:54]} 24. dxe5 {[%emt 0:01:29]} Rc8 {[%emt 0:05:55]} 25. Rb1 {[%emt 0:01:29]} Rc2 {[%emt 0:00:05]} 26. Kf2 {[%emt 0:02:50]} Nc7 {[%emt 0:03:00]} 27. Kg3 {[%emt 0:02:32]} Ne6 {[%emt 0:01:34]} 28. Nf1 {[%emt 0:00:07]} a5 {[%emt 0:03:09]} 29. Ne1 {[%emt 0:00:25]} Bxe5+ {[%emt 0:00:04]} 30. Kh4 {[%emt 0:01:52]} Rc3 {[%emt 0:00:47]} 31. Nf3 {[%emt 0:01:35]} Rxe3 {[%emt 0:00:45]} 32. Nxe3 {[%emt 0:00:08]} Bf6+ {[%emt 0:00:17]} 33. g5 {[%emt 0:01:52]} Nxg5 {[%emt 0:00:21]} 34. Nxg5 {[%emt 0:00:25]} h6 {[%emt 0:00:04]} 35. Kg3 {[%emt 0:01:00]} Bxg5 {[%emt 0:00:22]} 36. Nc2 {[%emt 0:04:35]} Nd3 {[%emt 0:00:22]} 37. Rd1 {[%emt 0:00:53]} Ne5 {[%emt 0:00:12]} 38. Rd5 {[%emt 0:00:14]} Rc8 {[%emt 0:01:45]} 39. Nd4 {[%emt 0:01:10]} Rc3+ {[%emt 0:00:07]} 40. Kh2 {[%emt 0:00:22]} Bf4+ {[%emt 0:00:32]} 41. Kg1 {[%emt 0:00:06]} Be3+ {[%emt 0:00:38]} 42. Kh2 {[%emt 0:00:43]} Bxd4 {[%emt 0:00:11]} 43. Rxd4 {[%emt 0:00:05]} Rd3 {[%emt 0:01:48]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.27"]
[White "Fernandez Rivero, Karla July"]
[Black "Martin Del Campo Cardenas, Roberto Abel"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "2025"]
[BlackElo "2250"]
[Annotator "ChessBase"]
[PlyCount "99"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:12]} 2. c4 {[%emt 0:00:14]} d6 {[%emt 0:00:07]} 3. Nf3 {[%emt 0:00:56]} g6 {[%emt 0:00:18]} 4. Nc3 {[%emt 0:00:24]} Bg7 {[%emt 0:00:04]} 5. e4 {[%emt 0:00:12]} O-O {[%emt 0:00:12]} 6. Be2 {[%emt 0:02:10]} Bg4 {[%emt 0:00:14]} 7. Bg5 {[%emt 0:00:32]} Nfd7 {[%emt 0:01:28]} 8. Qd2 {[%emt 0:01:32]} Nc6 {[%emt 0:01:35]} 9. Be3 {[%emt 0:03:53]} Bxf3 {[%emt 0:01:40]} 10. Bxf3 {[%emt 0:01:20]} e5 {[%emt 0:00:31]} 11. d5 {[%emt 0:00:20]} Nd4 {[%emt 0:00:24]} 12. Be2 {[%emt 0:03:08]} c5 {[%emt 0:00:28]} 13. dxc6 {[%emt 0:02:07]} bxc6 {[%emt 0:00:05]} 14. O-O {[%emt 0:02:57]} Rb8 {[%emt 0:00:22]} 15. Rab1 {[%emt 0:02:09]} a5 {[%emt 0:00:36]} 16. Bd1 {[%emt 0:12:57]} Nb6 {[%emt 0:15:29]} 17. Be2 {[%emt 0:04:59]} Qe7 {[%emt 0:14:16]} 18. b3 {[%emt 0:09:50]} Rfd8 {[%emt 0:07:57]} 19. Kh1 {[%emt 0:08:18]} Ra8 {[%emt 0:04:21]} 20. f4 {[%emt 0:07:34]} Nd7 {[%emt 0:07:01]} 21. f5 {[%emt 0:04:36]} gxf5 {[%emt 0:00:40]} 22. exf5 {[%emt 0:00:14]} Nc5 {[%emt 0:00:19]} 23. Rbe1 {[%emt 0:01:58]} d5 {[%emt 0:10:57]} 24. cxd5 {[%emt 0:14:08]} cxd5 {[%emt 0:00:12]} 25. Bxd4 {[%emt 0:00:13]} exd4 {[%emt 0:00:05]} 26. Nb5 {[%emt 0:00:16]} Ne4 {[%emt 0:02:03]} 27. Qd3 {[%emt 0:01:42]} Qe5 {[%emt 0:00:43]} 28. a4 {[%emt 0:04:20]} Rac8 {[%emt 0:07:24]} 29. Rd1 {[%emt 0:02:33]} Rc6 {[%emt 0:11:57]} 30. f6 {[%emt 0:02:12]} Rxf6 {[%emt 0:00:20]} 31. Rxf6 {[%emt 0:00:33]} Qxf6 {[%emt 0:00:45]} 32. Qxd4 {[%emt 0:04:52]} Qxd4 {[%emt 0:03:21]} 33. Rxd4 {[%emt 0:00:22]} Bxd4 {[%emt 0:03:05]} 34. Nxd4 {[%emt 0:00:05]} Rc8 {[%emt 0:00:14]} 35. g3 {[%emt 0:00:31]} Rc3 {[%emt 0:00:58]} 36. Bb5 {[%emt 0:02:38]} Nc5 {[%emt 0:01:25]} 37. Nc6 {[%emt 0:00:15]} Rxb3 {[%emt 0:02:37]} 38. Ne7+ {[%emt 0:00:17]} Kg7 {[%emt 0:00:21]} 39. Nxd5 {[%emt 0:00:05]} Ra3 {[%emt 0:00:04]} 40. Nb6 {[%emt 0:00:35]} Ra2 {[%emt 0:00:22]} 41. Kg1 {[%emt 0:01:25]} Kf6 {[%emt 0:00:19]} 42. h3 {[%emt 0:00:58]} Ke5 {[%emt 0:00:21]} 43. Nc4+ {[%emt 0:00:16]} Ke4 {[%emt 0:01:17]} 44. Nxa5 {[%emt 0:00:27]} Kf3 {[%emt 0:00:37]} 45. Nc4 {[%emt 0:01:04]} Kxg3 {[%emt 0:00:15]} 46. Kf1 {[%emt 0:00:28]} Nxa4 {[%emt 0:00:13]} 47. Bd7 {[%emt 0:00:19]} Nc3 {[%emt 0:01:20]} 48. Ke1 {[%emt 0:00:46]} f5 {[%emt 0:00:24]} 49. Bxf5 {[%emt 0:00:32]} Ra1+ {[%emt 0:05:02]} 50. Kd2 {[%emt 0:01:09]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.28"]
[White "Jorajuria Mendoza, Algol"]
[Black "Tapie Amione, Pablo Adib"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2006"]
[BlackElo "2241"]
[Annotator "ChessBase"]
[PlyCount "86"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:06]} c6 {[%emt 0:10:54]} 2. d4 {[%emt 0:00:25]} d5 {[%emt 0:00:20]} 3. e5 {[%emt 0:00:07]} Bf5 {[%emt 0:00:07]} 4. h4 {[%emt 0:00:24]} Qc8 {[%emt 0:01:39]} 5. Bd3 {[%emt 0:02:55]} Bxd3 {[%emt 0:00:28]} 6. Qxd3 {[%emt 0:00:12]} e6 {[%emt 0:01:22]} 7. c3 {[%emt 0:11:48]} b6 {[%emt 0:03:34]} 8. Nf3 {[%emt 0:05:22]} Qa6 {[%emt 0:00:38]} 9. Ke2 {[%emt 0:04:28]} Ne7 {[%emt 0:08:05]} 10. h5 {[%emt 0:01:17]} h6 {[%emt 0:01:25]} 11. Be3 {[%emt 0:04:18]} Nf5 {[%emt 0:02:26]} 12. Nbd2 {[%emt 0:04:47]} c5 {[%emt 0:01:04]} 13. Qxa6 {[%emt 0:05:21]} Nxa6 {[%emt 0:00:02]} 14. Bf4 {[%emt 0:01:54]} Ne7 {[%emt 0:01:35]} 15. g4 {[%emt 0:03:52]} Rc8 {[%emt 0:12:01]} 16. b3 {[%emt 0:04:25]} Nc6 {[%emt 0:01:14]} 17. a3 {[%emt 0:01:31]} Nc7 {[%emt 0:08:29]} 18. Rhc1 {[%emt 0:15:28]} cxd4 {[%emt 0:03:09]} 19. Nxd4 {[%emt 0:01:37]} Nxd4+ {[%emt 0:00:03]} 20. cxd4 {[%emt 0:00:07]} Kd7 {[%emt 0:00:05]} 21. b4 {[%emt 0:02:34]} Be7 {[%emt 0:00:28]} 22. Kd3 {[%emt 0:01:29]} Nb5 {[%emt 0:02:43]} 23. a4 {[%emt 0:02:40]} Rxc1 {[%emt 0:00:04]} 24. Rxc1 {[%emt 0:00:04]} Na3 {[%emt 0:00:04]} 25. b5 {[%emt 0:00:58]} Bb4 {[%emt 0:00:17]} 26. Nf1 {[%emt 0:05:57]} Nc4 {[%emt 0:01:40]} 27. Rc2 {[%emt 0:03:08]} a6 {[%emt 0:04:43]} 28. Ne3 {[%emt 0:04:32]} axb5 {[%emt 0:00:22]} 29. axb5 {[%emt 0:00:31]} Na3 {[%emt 0:03:56]} 30. Rb2 {[%emt 0:01:00]} Be7 {[%emt 0:01:03]} 31. Nc2 {[%emt 0:00:24]} Nxc2 {[%emt 0:05:11]} 32. Rxc2 {[%emt 0:00:06]} Ra8 {[%emt 0:00:02]} 33. Bd2 {[%emt 0:00:28]} Ra3+ {[%emt 0:00:10]} 34. Rc3 {[%emt 0:00:12]} Ra5 {[%emt 0:01:28]} 35. Rb3 {[%emt 0:00:06]} Ra1 {[%emt 0:00:03]} 36. f3 {[%emt 0:03:48]} Ra4 {[%emt 0:02:43]} 37. Rb1 {[%emt 0:01:09]} Ra3+ {[%emt 0:01:29]} 38. Bc3 {[%emt 0:00:15]} Bd8 {[%emt 0:00:30]} 39. Kc2 {[%emt 0:00:45]} Ra2+ {[%emt 0:00:11]} 40. Rb2 {[%emt 0:00:10]} Ra1 {[%emt 0:00:08]} 41. Rb1 {[%emt 0:00:05]} Ra2+ {[%emt 0:00:13]} 42. Rb2 {[%emt 0:00:04]} Ra1 {[%emt 0:01:51]} 43. Rb1 {[%emt 0:00:09]} Ra2+ {[%emt 0:00:13]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.29"]
[White "Cortes Rodriguez, Marco"]
[Black "Chinchilla Miranda, Eugenio"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2001"]
[BlackElo "2193"]
[Annotator "NA"]
[PlyCount "124"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:07:45]} d5 {[%emt 0:00:15]} 2. c4 {[%emt 0:00:02]} d4 {[%emt 0:00:10]} 3. g3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:09]} 4. Bg2 {[%emt 0:00:04]} e5 {[%emt 0:00:12]} 5. d3 {[%emt 0:00:03]} Bb4+ {[%emt 0:00:25]} 6. Nbd2 {[%emt 0:00:38]} a5 {[%emt 0:00:11]} 7. O-O {[%emt 0:00:06]} Nf6 {[%emt 0:02:08]} 8. a3 {[%emt 0:00:23]} Bc5 {[%emt 0:03:28]} 9. Nb3 {[%emt 0:00:48]} Bd6 {[%emt 0:01:11]} 10. Rb1 {[%emt 0:01:09]} O-O {[%emt 0:01:01]} 11. Bg5 {[%emt 0:08:20]} h6 {[%emt 0:04:27]} 12. Bc1 {[%emt 0:05:32]} Re8 {[%emt 0:07:50]} 13. Nfd2 {[%emt 0:07:19]} Bf5 {[%emt 0:05:12]} 14. Ne4 {[%emt 0:00:07]} Nxe4 {[%emt 0:01:21]} 15. dxe4 {[%emt 0:00:28]} Be6 {[%emt 0:01:32]} 16. Qd3 {[%emt 0:00:56]} a4 {[%emt 0:02:40]} 17. Nd2 {[%emt 0:00:02]} Na5 {[%emt 0:00:27]} 18. Rd1 {[%emt 0:04:13]} Bc5 {[%emt 0:06:46]} 19. f4 {[%emt 0:01:53]} f6 {[%emt 0:00:31]} 20. f5 {[%emt 0:00:41]} Bf7 {[%emt 0:00:15]} 21. g4 {[%emt 0:00:29]} Qd6 {[%emt 0:01:51]} 22. h4 {[%emt 0:03:47]} Qa6 {[%emt 0:01:06]} 23. g5 {[%emt 0:00:24]} fxg5 {[%emt 0:01:11]} 24. hxg5 {[%emt 0:00:02]} hxg5 {[%emt 0:00:21]} 25. Qg3 {[%emt 0:00:49]} d3+ $19 {[%emt 0:02:53]} ({Worse is} 25... Nxc4 26. Nxc4 Bxc4 27. Bxg5 $17) 26. e3 {[%emt 0:01:17]} Nxc4 {[%emt 0:00:43]} 27. Nxc4 {[%emt 0:00:54]} Bxc4 {[%emt 0:00:23]} 28. Qxg5 {[%emt 0:00:18]} Qh6 {[%emt 0:02:27]} 29. Qxh6 {[%emt 0:00:40]} gxh6 {[%emt 0:00:01]} 30. Bd2 {[%emt 0:00:26]} Kf7 {[%emt 0:01:51]} 31. Kf2 {[%emt 0:00:02]} Be7 {[%emt 0:05:21]} 32. Rh1 {[%emt 0:00:37]} Bg5 {[%emt 0:00:31]} 33. Bf3 {[%emt 0:00:08]} Kf6 {[%emt 0:00:30]} 34. Rbc1 {[%emt 0:01:32]} b5 {[%emt 0:01:34]} 35. Rc3 {[%emt 0:05:13]} Rg8 {[%emt 0:06:14]} 36. Bh5 {[%emt 0:01:04]} c5 {[%emt 0:01:14]} 37. Rcc1 {[%emt 0:04:10]} Ke7 {[%emt 0:01:39]} 38. Kf3 {[%emt 0:01:11]} Rac8 {[%emt 0:02:28]} 39. Rh2 {[%emt 0:00:52]} Rc6 {[%emt 0:00:49]} 40. Bc3 {[%emt 0:00:49]} Kf6 {[%emt 0:01:09]} 41. Bg4 {[%emt 0:03:25]} Bb3 {[%emt 0:02:57]} 42. Rch1 {[%emt 0:00:35]} Rh8 {[%emt 0:01:34]} 43. Rh5 {[%emt 0:01:15]} Rcc8 {[%emt 0:00:23]} 44. Kf2 {[%emt 0:05:41]} Rb8 {[%emt 0:01:49]} 45. Rc1 {[%emt 0:01:17]} b4 {[%emt 0:04:05]} 46. Bd2 {[%emt 0:00:53]} Bc2 {[%emt 0:01:18]} 47. Rhh1 {[%emt 0:01:58]} bxa3 {[%emt 0:07:13]} 48. bxa3 {[%emt 0:00:02]} Rb2 {[%emt 0:01:20]} 49. Ra1 {[%emt 0:01:36]} Bb3 {[%emt 0:03:30]} 50. Ke1 {[%emt 0:00:09]} Rd8 {[%emt 0:00:47]} 51. Bd1 {[%emt 0:01:10]} Bxd1 {[%emt 0:03:07]} 52. Kxd1 {[%emt 0:00:02]} Rdb8 {[%emt 0:01:44]} 53. Rc1 {[%emt 0:02:25]} R8b5 {[%emt 0:00:23]} 54. Rc4 {[%emt 0:00:25]} Rb1+ {[%emt 0:00:15]} 55. Rc1 {[%emt 0:00:01]} c4 {[%emt 0:01:31]} 56. Bb4 {[%emt 0:02:34]} Rxc1+ {[%emt 0:03:38]} 57. Kxc1 {[%emt 0:00:01]} Bxe3+ {[%emt 0:00:03]} 58. Kb2 {[%emt 0:00:01]} Bd4+ {[%emt 0:00:23]} 59. Kc1 {[%emt 0:00:01]} c3 {[%emt 0:01:35]} 60. Rxh6+ {[%emt 0:00:38]} Kg5 {[%emt 0:00:37]} 61. Rh3 {[%emt 0:00:11]} Rxb4 {[%emt 0:01:56]} 62. axb4 {[%emt 0:00:09]} a3 {[%emt 0:00:14]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.30"]
[White "Encinas Varela, David"]
[Black "Hernandez Jimenez, Alexander Andres"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1862"]
[BlackElo "2167"]
[Annotator "ChessBase"]
[PlyCount "82"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:31:00]} e5 {[%emt 0:06:29]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:09]} 3. Bc4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:46]} 4. d3 {[%emt 0:00:00]} h6 {[%emt 0:00:14]} 5. O-O {[%emt 0:00:00]} d6 {[%emt 0:00:35]} 6. h3 {[%emt 0:00:00]} g6 {[%emt 0:01:21]} 7. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:12]} 8. Be3 {[%emt 0:00:00]} O-O {[%emt 0:00:11]} 9. Qd2 {[%emt 0:00:00]} Kh7 {[%emt 0:01:26]} 10. d4 {[%emt 0:00:00]} Nxe4 {[%emt 1:24:07]} 11. Nxe4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 12. Bxd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:00]} 13. Bxh6 {[%emt 0:00:00]} Nxd4 {[%emt 0:00:00]} 14. Nxd4 {[%emt 0:00:00]} Qxe4 {[%emt 0:00:00]} 15. Bxg7 {[%emt 0:00:00]} Kxg7 {[%emt 0:00:00]} 16. Ne2 {[%emt 0:00:00]} b6 {[%emt 0:00:00]} 17. Ng3 {[%emt 0:00:00]} Qf4 {[%emt 0:00:00]} 18. Qc3 {[%emt 0:00:00]} Qd4 {[%emt 0:00:00]} 19. Qxc7 {[%emt 0:00:00]} Ba6 {[%emt 0:00:00]} 20. c3 {[%emt 0:00:00]} Qc5 {[%emt 0:00:00]} 21. Qxc5 {[%emt 0:00:00]} bxc5 {[%emt 0:00:00]} 22. Rfd1 {[%emt 0:00:00]} Rab8 {[%emt 0:00:00]} 23. b3 {[%emt 0:00:00]} Rfd8 {[%emt 0:00:00]} 24. Ne4 {[%emt 0:00:00]} c4 {[%emt 0:00:00]} 25. b4 {[%emt 0:00:00]} Bb5 {[%emt 0:00:00]} 26. Nd6 {[%emt 0:00:00]} Ba4 {[%emt 0:01:01]} 27. Rd2 {[%emt 0:00:00]} a5 {[%emt 0:00:07]} 28. a3 {[%emt 0:00:00]} Bb3 {[%emt 0:00:40]} 29. Re1 {[%emt 0:00:00]} f6 {[%emt 0:01:38]} 30. f4 {[%emt 0:00:00]} axb4 {[%emt 0:03:00]} 31. axb4 {[%emt 0:00:00]} exf4 {[%emt 0:00:47]} 32. Re4 {[%emt 0:03:15]} Ra8 {[%emt 0:01:49]} 33. Rxf4 {[%emt 0:01:31]} f5 {[%emt 0:01:17]} 34. Rfd4 {[%emt 0:00:18]} Ra1+ {[%emt 0:00:14]} 35. Kh2 {[%emt 0:00:08]} Rf8 {[%emt 0:00:37]} 36. Nxc4 {[%emt 0:01:41]} Rc8 {[%emt 0:00:57]} 37. Rd7+ {[%emt 0:00:55]} Kh6 {[%emt 0:00:02]} 38. Ne5 {[%emt 0:00:52]} Rxc3 {[%emt 0:00:41]} 39. R2d6 {[%emt 0:05:05]} Kg5 {[%emt 0:00:01]} 40. Nxg6 {[%emt 0:00:41]} Re1 {[%emt 0:01:36]} 41. h4+ {[%emt 0:00:11]} Kg4 {[%emt 0:01:03]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.31"]
[White "Luna Javier, Edgar Froylan"]
[Black "Macias Zamora, Jose Armando"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2148"]
[BlackElo "1488"]
[Annotator "NA"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:06:42]} d5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:11]} Nf6 {[%emt 0:00:14]} 3. Bf4 {[%emt 0:03:50]} c5 {[%emt 0:00:53]} 4. c3 {[%emt 0:02:02]} cxd4 {[%emt 0:07:10]} 5. cxd4 {[%emt 0:00:24]} Qb6 {[%emt 0:01:11]} 6. Qb3 {[%emt 0:10:13]} Nc6 {[%emt 0:09:22]} 7. Nc3 {[%emt 0:08:07]} e6 {[%emt 0:16:36]} 8. e3 {[%emt 0:03:24]} Qxb3 {[%emt 0:02:56]} 9. axb3 {[%emt 0:00:07]} Bb4 {[%emt 0:00:08]} 10. Bd3 {[%emt 0:02:59]} Nh5 {[%emt 0:05:42]} 11. Bg5 {[%emt 0:03:51]} h6 {[%emt 0:00:22]} 12. Bh4 {[%emt 0:00:25]} g5 {[%emt 0:04:31]} 13. Bg3 $15 {[%emt 0:00:24]} O-O {[%emt 0:00:27]} 14. Be5 {[%emt 0:17:19]} g4 {[%emt 0:05:52]} 15. Nd2 {[%emt 0:02:00]} Nxe5 {[%emt 0:01:03]} 16. dxe5 {[%emt 0:00:08]} f5 {[%emt 0:03:53]} 17. g3 {[%emt 0:13:21]} Ng7 {[%emt 0:02:22]} 18. h3 {[%emt 0:00:43]} h5 {[%emt 0:02:20]} 19. hxg4 {[%emt 0:00:45]} hxg4 {[%emt 0:04:15]} 20. Ke2 {[%emt 0:09:06]} Bd7 {[%emt 0:04:10]} 21. Rh6 {[%emt 0:00:22]} Bc6 {[%emt 0:01:24]} 22. Nb5 {[%emt 0:02:08]} Bxb5 {[%emt 0:02:38]} 23. Bxb5 {[%emt 0:00:02]} a6 {[%emt 0:00:56]} 24. Bd7 {[%emt 0:04:28]} Kf7 {[%emt 0:00:17]} 25. Rc1 {[%emt 0:00:00]} Ba5 {[%emt 0:04:57]} 26. b4 {[%emt 0:00:01]} Bb6 {[%emt 0:01:16]} 27. Nb3 {[%emt 0:03:19]} Ke7 {[%emt 0:01:01]} 28. Rh7 {[%emt 0:00:47]} Rf7 {[%emt 0:00:58]} 29. Ba4 {[%emt 0:01:15]} Ne8 {[%emt 0:04:53]} 30. Rh8 {[%emt 0:00:24]} Rf8 {[%emt 0:00:10]} 31. Rh7+ {[%emt 0:00:14]} Rf7 {[%emt 0:00:17]} 32. Rh8 {[%emt 0:00:01]} Rf8 {[%emt 0:00:06]} 33. Rch1 {[%emt 0:01:53]} Ng7 {[%emt 0:05:09]} 34. R8h7 {[%emt 0:01:27]} Rg8 {[%emt 0:02:29]} 35. R1h6 {[%emt 0:01:14]} Bc7 {[%emt 0:01:52]} 36. Nc5 {[%emt 0:00:15]} Bxe5 {[%emt 0:00:59]} 37. Rxe6+ {[%emt 0:00:01]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.32"]
[White "Diaz Rosas, Julio Cesar"]
[Black "Francisco Cruz, Yahir Alberto"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "2393"]
[BlackElo "1949"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,141,23,50,48,58,54,98,95,107,98,95,100,110,101,105,75,116,81,78,55,143,56,66,14,13,20,18,18,16,16,12,19,19,10,16,22,52,-58,60,60,65,0,0,-22,-26,-3,-4,-46,-18,-40,-36,-36,-43,-43,-34,-38,-38,-100,-76,-64,-67,-70,-64,-55,-38,-152,-150,-159,-143,-128,-122,-238,-233,-226,-227,-612,-614,-584,-566,-577,-154,-153,0,-1,0,-328,0,0,0,0,0,-8,-8,-8,-8,-14,0,0,0,0,0,0,0,0,0,-5,0,-5,-5,-5,0,-5,0,0,0,0,8,7,29976,29977,29977,29978,29978,29979,29979,29980,29980,29981,29981,29981,29981,29980,29979,29980]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4f5,Bf5e3,Be3c4][%mdl 32]} d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Bb5+ {B56: Classical Sicilian: Unusual Lines.} Bd7 7. Bxd7+ Nbxd7 (7... Qxd7 $14 {should be considered.} 8. Nde2 Qc6) 8. Nf5 $16 {White is better.} Nc5 9. Bg5 g6 10. Ne3 {White is more active.} Be7 11. Bxf6 Bxf6 {[#]} 12. Nc4 $146 ({Predecessor:} 12. Qd2 Rc8 13. O-O-O Rc6 14. Kb1 Bg7 15. f3 a6 16. Ncd5 Rc8 17. g3 b5 18. h4 {1-0 (31) Wenardi,W-Setya Adhi,B (1671) ICCF email 2018}) 12... Be7 (12... O-O $142) 13. Qd5 O-O {[%cal Ob7b5]} 14. Rd1 {[%cal Rc4d6]} Ne6 (14... Rc8 $14) 15. O-O (15. Nxd6 Bxd6 16. Qxd6 Qg5 $16) (15. Qxb7 $16 Rc8 16. b3 (16. Nxe5 Bf6 $11)) 15... Rc8 $14 16. Ne2 (16. Nxd6 Rc5 17. Qd3 Nf4 $15) (16. b3 $14) 16... Rc5 $11 17. Qd3 Qc8 18. Ne3 Bg5 19. c3 Bxe3 20. Qxe3 Qc6 21. Nc1 Rc4 22. Rfe1 f5 23. Qd3 (23. exf5 $1 $14 Rxf5 24. f3) 23... Rd8 (23... fxe4 24. Qxd6 Qxd6 25. Rxd6 $14) (23... Rxe4 $15 24. Rxe4 fxe4) 24. exf5 $14 Rg4 {[%csl Gg4][%cal Rc6g2]} 25. Qf1 (25. g3 $1 $14 Ng5 26. Re3) 25... gxf5 $11 26. f3 Rg6 27. Nd3 a5 {Inhibits Nb4.} 28. Qe2 {To avoid e4} (28. Kh1 $11) 28... Kh8 29. Kh1 {[%cal Od3e5]} Rdg8 30. Nxe5 dxe5 31. Qxe5+ Ng7 32. Qxa5 Rd6 33. Qe5 (33. Rxd6 $15 Qxd6 34. Qb4 (34. Qe5 Re8 $15)) 33... Rxd1 34. Rxd1 Re8 35. Qd4 h6 36. h3 Re2 37. Qf4 ({White should play} 37. Rd2 $15 Rxd2 38. Qxd2) 37... Qg6 $17 {[%csl Ge2][%cal Rg6g2]} (37... Rxb2 38. Rd8+ Kh7 39. Rd6 $11) 38. g4 Qe6 ({Stronger than} 38... Rxb2 39. Rd6 Rb1+ 40. Kg2 Rb2+ 41. Kh1 Rb1+ 42. Kh2 $11) 39. Rd2 Kh7 40. b3 (40. a4 $17 {is a better defense.}) 40... Re1+ $19 41. Kg2 Rc1 {...Qe1 is the strong threat.} 42. Qd4 $2 (42. Qg3) 42... Qe1 {Hoping for ...h5.} 43. Qf2 Qh1+ 44. Kg3 Rxc3 $2 (44... fxg4 $19 {is more deadly.} 45. Kxg4 Rf1) 45. Rd7 $17 {[%cal Od7g7] Threatens to win with Rxg7+!} fxg4 $2 (45... Rc6 $1 $17 {And now ...fxg4 would win.} 46. Rxb7 Rf6) 46. hxg4 $11 {[%cal Od7g7]} Qc1 47. Rxb7 $2 {[%mdl 8192] [#]} (47. Qd4 $11 Qe1+ 48. Kf4 Qc1+ 49. Kg3 Qe1+ 50. Kf4 Qc1+ 51. Kg3) 47... Rc2 $2 (47... Qd1 $1 $19 {[%cal Rd1d6]} 48. Ra7 Qd6+ 49. Kg2 Rd3) 48. Qd4 {[%csl Gb7][%cal Rd4g7]} Qe1+ 49. Kf4 {[%csl Gb7][%cal Rd4g7] The board is on fire.} Qc1+ 50. Qe3 $132 {[%mdl 2048] White puts up resistance} Qxe3+ 51. Kxe3 Rxa2 {[%mdl 4096] Endgame KRN-KR} 52. f4 {[%cal Bf3f4,Bf4f5,Bf5f6][%mdl 32]} h5 53. f5 Kg8 54. f6 Ne6 55. gxh5 Rh2 56. Re7 Nf8 57. Rg7+ Kh8 58. Rg3 Rxh5 59. f7 {aiming for Rg8+.} Ne6 60. Ke4 Rb5 61. Rg6 Rxb3 62. Ke5 Re3+ 63. Kf6 {[%cal Rg6h6]} Kh7 $2 {[%mdl 8192] Inhibits Rh6+.} (63... Nf8 $11 64. Rg8+ (64. Rh6+ Nh7+ 65. Rxh7+ Kxh7 $11) 64... Kh7) 64. Rg4 {[%cal Rg4h4] White mates.} Rf3+ 65. Kxe6 {KR-KR} Re3+ 66. Kf6 {[%cal Rg4h4]} Rf3+ 67. Ke7 Re3+ 68. Kf8 Rf3 69. Rg1 Rf2 70. Rh1+ Kg6 {[#]} 71. Kg8 $1 {White used his chance.  Weighted Error Value: White=0.42/Black=0.31} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.33"]
[White "Hernandez Yescas, Miguel Alejandro"]
[Black "Lopez Gonzalez, Abel Fabian"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1976"]
[BlackElo "2379"]
[Annotator "RC"]
[PlyCount "98"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:04:36]} c6 {[%emt 0:00:28]} 2. d4 {[%emt 0:00:49]} d5 {[%emt 0:00:05]} 3. e5 {[%emt 0:00:20]} Bf5 {[%emt 0:00:07]} 4. Nf3 {[%emt 0:00:10]} e6 {[%emt 0:00:08]} 5. Be2 {[%emt 0:00:07]} c5 {[%emt 0:00:06]} 6. O-O {[%emt 0:05:55]} Nc6 {[%emt 0:01:37]} 7. Nc3 {[%emt 0:16:33]} a6 {[%emt 0:03:56]} 8. Be3 {[%emt 0:03:17]} Nge7 {[%emt 0:07:45]} 9. h3 {[%emt 0:15:29]} cxd4 {[%emt 0:02:03]} 10. Bxd4 {[%emt 0:01:06]} Nxd4 {[%emt 0:02:51]} 11. Nxd4 {[%emt 0:01:02]} Bg6 {[%emt 0:02:10]} 12. Kh1 {[%emt 0:07:09]} Nc6 {[%emt 0:06:58]} 13. f4 {[%emt 0:10:48]} Bc5 {[%emt 0:21:58]} 14. Nxc6 {[%emt 0:05:43]} bxc6 {[%emt 0:00:28]} 15. Bd3 {[%emt 0:01:45]} Qh4 {[%emt 0:05:49]} 16. Qf3 {[%emt 0:05:33]} O-O {[%emt 0:03:18]} 17. Na4 {[%emt 0:04:59]} Bd4 {[%emt 0:03:32]} 18. Rad1 {[%emt 0:05:25]} Ba7 {[%emt 0:08:04]} 19. b4 {[%emt 0:02:17]} f6 {[%emt 0:07:18]} 20. Bxg6 {[%emt 0:01:57]} hxg6 {[%emt 0:00:16]} 21. exf6 {[%emt 0:01:23]} Rxf6 {[%emt 0:01:16]} 22. Qe2 {[%emt 0:01:56]} Bb8 {[%emt 0:02:32]} 23. Nc5 {[%emt 0:01:00]} Ra7 {[%emt 0:06:37]} 24. Qg4 {[%emt 0:00:45]} Qxg4 {[%emt 0:04:31]} 25. hxg4 {[%emt 0:00:08]} Bxf4 {[%emt 0:00:08]} 26. Nxe6 {[%emt 0:00:23]} Be5 {[%emt 0:00:44]} 27. Nc5 {[%emt 0:00:49]} a5 {[%emt 0:02:03]} 28. Nd3 {[%emt 0:01:01]} Bc3 {[%emt 0:01:28]} 29. a3 {[%emt 0:00:40]} axb4 {[%emt 0:00:19]} 30. Nxb4 {[%emt 0:01:21]} Re6 {[%emt 0:00:40]} 31. Rf3 {[%emt 0:01:01]} Rxa3 {[%emt 0:00:20]} 32. Nd3 {[%emt 0:00:30]} Ra1 {[%emt 0:00:56]} 33. Rxa1 {[%emt 0:00:30]} Bxa1 {[%emt 0:00:03]} 34. Rf1 {[%emt 0:00:31]} Bd4 {[%emt 0:01:49]} 35. Nf4 {[%emt 0:00:19]} Rf6 {[%emt 0:00:39]} 36. g5 {[%emt 0:00:27]} Rf5 {[%emt 0:00:21]} 37. g4 {[%emt 0:00:42]} Rxg5 {[%emt 0:01:02]} 38. Ne6 {[%emt 0:00:06]} Rxg4 {[%emt 0:00:13]} 39. Rf8+ {[%emt 0:00:10]} Kh7 {[%emt 0:00:08]} 40. Rc8 {[%emt 0:00:19]} Bf6 {[%emt 0:03:04]} 41. Nf8+ {[%emt 0:01:00]} Kg8 {[%emt 0:00:33]} 42. Nxg6+ {[%emt 0:00:47]} Kf7 {[%emt 0:00:14]} 43. Nh8+ {[%emt 0:00:18]} Ke7 {[%emt 0:00:29]} 44. Rg8 {[%emt 0:00:50]} Rc4 {[%emt 0:00:50]} 45. Rb8 {[%emt 0:00:32]} Rxc2 {[%emt 0:00:10]} 46. Ng6+ {[%emt 0:00:22]} Ke6 {[%emt 0:00:15]} 47. Rc8 {[%emt 0:00:38]} Kf5 {[%emt 0:00:19]} 48. Nf8 {[%emt 0:00:20]} d4 {[%emt 0:00:05]} 49. Rc7 {[%emt 0:00:40]} d3 {[%emt 0:00:12]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.34"]
[White "Castellanos Hernandez, Emilio Au"]
[Black "Garcia Guerrero, Isaac Antonio"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1939"]
[BlackElo "2338"]
[Annotator "ChessBase"]
[PlyCount "42"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nc3 {[%emt 0:06:56]} c5 {[%emt 0:00:24]} 2. Nf3 {[%emt 0:00:37]} g6 {[%emt 0:00:11]} 3. d4 {[%emt 0:00:08]} cxd4 {[%emt 0:00:20]} 4. Nxd4 {[%emt 0:00:05]} Bg7 {[%emt 0:00:32]} 5. g3 {[%emt 0:00:41]} Nc6 {[%emt 0:02:05]} 6. Nxc6 {[%emt 0:04:44]} bxc6 {[%emt 0:00:55]} 7. Bg2 {[%emt 0:01:46]} Rb8 {[%emt 0:02:27]} 8. O-O {[%emt 0:04:27]} Nf6 {[%emt 0:01:59]} 9. b3 {[%emt 0:02:10]} Qc7 {[%emt 0:05:57]} 10. Bb2 {[%emt 0:02:09]} O-O {[%emt 0:00:34]} 11. e4 {[%emt 0:20:50]} d6 {[%emt 0:02:03]} 12. Qe2 {[%emt 0:03:40]} Nd7 {[%emt 0:08:54]} 13. Na4 {[%emt 0:01:16]} Bxb2 {[%emt 0:01:31]} 14. Nxb2 {[%emt 0:00:01]} Nc5 {[%emt 0:00:22]} 15. Qe3 {[%emt 0:07:09]} Ba6 {[%emt 0:07:18]} 16. Rfd1 {[%emt 0:05:20]} Qb6 {[%emt 0:03:13]} 17. c4 {[%emt 0:06:58]} Ne6 {[%emt 0:07:58]} 18. Qxb6 {[%emt 0:00:16]} Rxb6 {[%emt 0:00:58]} 19. e5 {[%emt 0:01:59]} dxe5 {[%emt 0:52:19]} 20. Na4 {[%emt 0:29:18]} Rbb8 {[%emt 0:00:30]} 21. Nb6 axb6 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.35"]
[White "Miranda Llanes, Yerisbel"]
[Black "Moran Velez, Francisco R"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2261"]
[BlackElo "1931"]
[Annotator "ChessBase"]
[PlyCount "85"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:12]} d5 {[%emt 0:04:26]} 2. c4 {[%emt 0:01:49]} e6 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:04]} 4. cxd5 {[%emt 0:00:26]} exd5 {[%emt 0:00:06]} 5. Bg5 {[%emt 0:00:04]} Be7 {[%emt 0:00:18]} 6. e3 {[%emt 0:00:12]} O-O {[%emt 0:00:10]} 7. Bd3 {[%emt 0:00:23]} Be6 {[%emt 0:01:07]} 8. Bf4 {[%emt 0:04:16]} c5 {[%emt 0:04:46]} 9. dxc5 {[%emt 0:00:23]} Nbd7 {[%emt 0:02:25]} 10. Nf3 {[%emt 0:06:47]} Nxc5 {[%emt 0:02:23]} 11. Be2 {[%emt 0:01:21]} Rc8 {[%emt 0:04:40]} 12. O-O {[%emt 0:00:39]} Nce4 {[%emt 0:01:34]} 13. Be5 {[%emt 0:02:46]} Bd6 {[%emt 0:11:43]} 14. Bd4 {[%emt 0:01:40]} Nxc3 {[%emt 0:03:37]} 15. Bxc3 {[%emt 0:00:35]} Ne4 {[%emt 0:00:07]} 16. Bd4 {[%emt 0:00:43]} Bb8 {[%emt 0:05:59]} 17. Qb3 {[%emt 0:04:12]} Bg4 {[%emt 0:14:12]} 18. Rad1 {[%emt 0:20:31]} Ng5 {[%emt 0:10:49]} 19. Rfe1 {[%emt 0:04:19]} Nxf3+ {[%emt 0:22:26]} 20. Bxf3 {[%emt 0:00:21]} Bxf3 {[%emt 0:00:41]} 21. gxf3 {[%emt 0:00:02]} Qg5+ {[%emt 0:00:07]} 22. Kf1 {[%emt 0:01:41]} Bxh2 {[%emt 0:01:14]} 23. Ke2 {[%emt 0:11:44]} Qf5 {[%emt 0:02:08]} 24. Bc3 {[%emt 0:02:56]} Rfd8 {[%emt 0:00:27]} 25. Qxb7 {[%emt 0:23:18]} Be5 {[%emt 0:02:26]} 26. Rxd5 {[%emt 0:02:46]} Rxd5 {[%emt 0:01:19]} 27. Qxd5 {[%emt 0:02:35]} Qc2+ {[%emt 0:01:50]} 28. Qd2 {[%emt 0:01:35]} Qxd2+ {[%emt 0:00:52]} 29. Kxd2 {[%emt 0:00:15]} Bxc3+ {[%emt 0:00:03]} 30. bxc3 {[%emt 0:00:05]} Kf8 {[%emt 0:00:36]} 31. Rb1 {[%emt 0:00:38]} Rc7 {[%emt 0:00:06]} 32. Kd3 {[%emt 0:00:57]} Ke7 {[%emt 0:00:05]} 33. c4 {[%emt 0:00:36]} Kd6 {[%emt 0:00:23]} 34. a4 {[%emt 0:01:33]} h5 {[%emt 0:00:32]} 35. f4 {[%emt 0:00:33]} g6 {[%emt 0:00:23]} 36. Rg1 {[%emt 0:01:17]} Rc5 {[%emt 0:01:44]} 37. e4 {[%emt 0:01:26]} h4 {[%emt 0:00:57]} 38. e5+ {[%emt 0:00:41]} Ke6 {[%emt 0:00:14]} 39. Rh1 {[%emt 0:00:35]} Ra5 {[%emt 0:00:09]} 40. Rxh4 {[%emt 0:00:28]} Rxa4 {[%emt 0:00:05]} 41. Rh8 {[%emt 0:00:53]} Kf5 {[%emt 0:00:33]} 42. Rf8 {[%emt 0:00:13]} Kxf4 {[%emt 0:00:16]} 43. e6 {[%emt 0:00:18]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.36"]
[White "Araya Umana, Carlos"]
[Black "Frey Beckman, Kenneth"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1912"]
[BlackElo "2242"]
[Annotator "ChessBase"]
[PlyCount "78"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:30]} Nf6 {[%emt 0:02:57]} 2. Bf4 {[%emt 0:00:07]} e6 {[%emt 0:00:16]} 3. Nf3 {[%emt 0:00:28]} c5 {[%emt 0:00:20]} 4. e3 {[%emt 0:02:44]} b6 {[%emt 0:00:22]} 5. Nbd2 {[%emt 0:00:20]} Bb7 {[%emt 0:00:15]} 6. c3 {[%emt 0:01:56]} Be7 {[%emt 0:00:42]} 7. Be2 {[%emt 0:00:45]} Nh5 {[%emt 0:01:55]} 8. Bg3 {[%emt 0:01:15]} d6 {[%emt 0:04:20]} 9. O-O {[%emt 0:00:23]} Nxg3 {[%emt 0:00:17]} 10. hxg3 {[%emt 0:00:07]} Nd7 {[%emt 0:02:08]} 11. Re1 {[%emt 0:06:03]} Rc8 {[%emt 0:00:48]} 12. Rc1 {[%emt 0:04:41]} O-O {[%emt 0:00:22]} 13. Bd3 {[%emt 0:06:47]} Qc7 {[%emt 0:09:10]} 14. e4 {[%emt 0:09:20]} Bf6 {[%emt 0:00:30]} 15. Qe2 {[%emt 0:01:37]} cxd4 {[%emt 0:04:00]} 16. cxd4 {[%emt 0:06:05]} Qxc1 {[%emt 0:01:29]} 17. Rxc1 {[%emt 0:00:03]} Rxc1+ {[%emt 0:00:11]} 18. Kh2 {[%emt 0:00:34]} Be7 {[%emt 0:15:44]} 19. Nc4 {[%emt 0:11:24]} d5 {[%emt 0:02:26]} 20. exd5 Bxd5 {[%emt 0:00:29]} 21. b3 {[%emt 0:05:59]} Nf6 {[%emt 0:12:07]} 22. Nfe5 {[%emt 0:03:21]} b5 {[%emt 0:03:19]} 23. Ne3 {[%emt 0:01:23]} a6 {[%emt 0:05:43]} 24. Nc2 {[%emt 0:05:09]} Rc8 {[%emt 0:00:47]} 25. Qd2 {[%emt 0:01:09]} Rb1 {[%emt 0:01:07]} 26. f3 {[%emt 0:02:27]} Rb2 {[%emt 0:01:18]} 27. Qc1 {[%emt 0:13:37]} Rxa2 {[%emt 0:00:30]} 28. Qb1 {[%emt 0:00:10]} Ra5 {[%emt 0:01:14]} 29. g4 {[%emt 0:01:05]} Bd6 {[%emt 0:05:18]} 30. Ne3 {[%emt 0:06:15]} h6 {[%emt 0:07:38]} 31. g3 {[%emt 0:07:44]} Rc3 {[%emt 0:02:47]} 32. Nxd5 {[%emt 0:00:28]} Nxd5 {[%emt 0:00:18]} 33. Be4 {[%emt 0:01:18]} Bxe5 {[%emt 0:04:31]} 34. dxe5 {[%emt 0:00:06]} b4 {[%emt 0:00:22]} 35. Bd3 {[%emt 0:01:41]} Ne3 {[%emt 0:01:46]} 36. Bh7+ {[%emt 0:00:31]} Kh8 {[%emt 0:01:18]} 37. Bd3 {[%emt 0:00:17]} Rd5 {[%emt 0:01:14]} 38. Bf1 {[%emt 0:01:10]} Rc2+ {[%emt 0:00:31]} 39. Kh3 {[%emt 0:00:18]} Rd1 {[%emt 0:00:08]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.37"]
[White "Miranda Rodriguez, Tania"]
[Black "Alvidrez Aguirre, Genaro"]
[Result "*"]
[ECO "B76"]
[WhiteElo "2174"]
[BlackElo "1880"]
[Annotator "ChessBase"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} c5 {[%emt 0:07:59]} 2. Nf3 {[%emt 0:00:17]} d6 {[%emt 0:00:24]} 3. d4 {[%emt 0:00:11]} cxd4 {[%emt 0:00:12]} 4. Nxd4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:07]} 5. Nc3 {[%emt 0:00:05]} g6 {[%emt 0:00:32]} 6. Be3 {[%emt 0:00:34]} Bg7 {[%emt 0:00:28]} 7. f3 {[%emt 0:00:17]} O-O {[%emt 0:00:13]} 8. Qd2 {[%emt 0:00:30]} Nc6 {[%emt 0:00:07]} 9. O-O-O {[%emt 0:00:48]} d5 {[%emt 0:01:11]} 10. Nxc6 {[%emt 0:01:11]} bxc6 {[%emt 0:00:07]} 11. Bc4 {[%emt 0:00:20]} e6 {[%emt 0:03:41]} 12. Bb3 {[%emt 0:01:04]} Bb7 {[%emt 0:01:35]} 13. Na4 {[%emt 0:02:44]} Qc7 {[%emt 0:02:28]} 14. Nc5 {[%emt 0:03:43]} a5 {[%emt 0:03:41]} 15. h4 {[%emt 0:03:39]} Rfd8 {[%emt 0:08:51]} 16. Bh6 {[%emt 0:26:05]} Bxh6 {[%emt 0:15:07]} 17. Qxh6 {[%emt 0:00:08]} a4 {[%emt 0:00:11]} 18. Bxa4 {[%emt 0:10:49]} Qb6 {[%emt 0:04:22]} 19. Nxb7 {[%emt 0:09:36]} Qxb7 {[%emt 0:00:35]} 20. Bb3 {[%emt 0:02:45]} Qc7 {[%emt 0:26:39]} 21. Qg5 {[%emt 0:15:06]} Nh5 {[%emt 0:03:21]} 22. e5 {[%emt 0:01:56]} c5 {[%emt 0:04:20]} 23. c4 {[%emt 0:07:11]} d4 {[%emt 0:07:14]} 24. g4 {[%emt 0:01:10]} h6 {[%emt 0:01:47]} 25. Qxh6 {[%emt 0:06:00]} Ng3 {[%emt 0:00:09]} 26. h5 {[%emt 0:01:30]} Nxh1 {[%emt 0:00:23]} 27. hxg6 {[%emt 0:02:48]} fxg6 {[%emt 0:00:08]} 28. Qxg6+ {[%emt 0:00:42]} Qg7 {[%emt 0:00:13]} 29. Qxe6+ {[%emt 0:00:07]} Qf7 {[%emt 0:00:08]} 30. Qxf7+ {[%emt 0:00:28]} Kxf7 {[%emt 0:00:07]} 31. Rxh1 {[%emt 0:00:04]} Rh8 {[%emt 0:01:22]} 32. Re1 {[%emt 0:02:14]} Rh2 {[%emt 0:00:53]} 33. Bc2 {[%emt 0:00:43]} Rxa2 {[%emt 0:02:13]} 34. Kb1 {[%emt 0:00:07]} Ra6 {[%emt 0:01:09]} 35. f4 {[%emt 0:00:59]} Rf2 {[%emt 0:02:01]} 36. f5 {[%emt 0:00:40]} Rh6 {[%emt 0:00:22]} 37. g5 {[%emt 0:00:50]} Rhh2 {[%emt 0:00:13]} 38. e6+ {[%emt 0:00:17]} Ke8 {[%emt 0:00:29]} 39. Ba4+ {[%emt 0:00:58]} Ke7 {[%emt 0:01:31]} 40. f6+ {[%emt 0:00:05]} Kd6 {[%emt 0:00:06]} 41. e7 {[%emt 0:00:19]} Rxb2+ {[%emt 0:00:07]} 42. Kc1 {[%emt 0:02:22]} *

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.38"]
[White "Gongora Montes, Benjamin"]
[Black "Hernandez Morales, Dillan"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2157"]
[BlackElo "1846"]
[Annotator "NA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:01:12]} Nf6 {[%emt 0:00:14]} 2. Nf3 {[%emt 0:00:06]} e6 {[%emt 0:00:21]} 3. Bg5 {[%emt 0:00:05]} h6 {[%emt 0:02:03]} 4. Bxf6 {[%emt 0:00:05]} Qxf6 {[%emt 0:00:03]} 5. e4 {[%emt 0:00:07]} d6 {[%emt 0:01:10]} 6. e5 {[%emt 0:00:14]} dxe5 {[%emt 0:02:04]} 7. dxe5 {[%emt 0:00:06]} Qf4 {[%emt 0:05:12]} 8. c3 {[%emt 0:02:44]} Bd7 {[%emt 0:04:25]} 9. Nbd2 {[%emt 0:00:36]} Nc6 {[%emt 0:07:18]} 10. Qe2 {[%emt 0:01:22]} g5 {[%emt 0:05:12]} 11. g3 {[%emt 0:10:41]} Qf5 {[%emt 0:01:34]} 12. Nc4 {[%emt 0:00:11]} Bc5 {[%emt 0:09:25]} 13. Bg2 {[%emt 0:01:10]} a6 {[%emt 0:01:33]} 14. a4 {[%emt 0:00:35]} Rd8 {[%emt 0:06:39]} 15. b4 {[%emt 0:11:16]} Ba7 {[%emt 0:06:23]} 16. b5 {[%emt 0:00:51]} Nb8 {[%emt 0:03:00]} 17. b6 {[%emt 0:00:07]} Bxb6 {[%emt 0:01:50]} 18. Nxb6 {[%emt 0:01:30]} cxb6 {[%emt 0:00:08]} 19. Nd4 {[%emt 0:00:09]} Qg6 {[%emt 0:04:08]} 20. Bxb7 {[%emt 0:00:11]} O-O {[%emt 0:03:00]} 21. O-O {[%emt 0:00:21]} Bc8 {[%emt 0:01:57]} 22. Be4 $16 {[%emt 0:10:36]} f5 {[%emt 0:02:30]} 23. exf6 {[%emt 0:00:41]} Qxf6 {[%emt 0:00:10]} 24. f4 {[%emt 0:02:01]} Qg7 {[%emt 0:02:08]} 25. fxg5 {[%emt 0:00:34]} Rxf1+ {[%emt 0:04:47]} 26. Rxf1 {[%emt 0:00:15]} hxg5 {[%emt 0:00:06]} 27. Qh5 {[%emt 0:05:06]} Rf8 {[%emt 0:10:46]} 28. Bh7+ {[%emt 0:00:21]} Kh8 {[%emt 0:03:43]} 29. Rxf8+ {[%emt 0:00:13]} Qxf8 {[%emt 0:00:53]} 30. Be4+ {[%emt 0:00:08]} Kg7 {[%emt 0:00:44]} 31. Qg6+ {[%emt 0:00:07]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.39"]
[White "Lopez Padilla, Piero Raul"]
[Black "Corrales Jimenez, Zenia"]
[Result "0-1"]
[ECO "D63"]
[WhiteElo "1898"]
[BlackElo "2151"]
[Annotator "ChessBase"]
[PlyCount "94"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:07]} d5 {[%emt 0:01:05]} 2. c4 {[%emt 0:00:14]} e6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:01:44]} Nf6 {[%emt 0:00:25]} 4. Nf3 {[%emt 0:00:07]} Be7 {[%emt 0:00:40]} 5. Bg5 {[%emt 0:00:52]} O-O {[%emt 0:01:49]} 6. e3 {[%emt 0:00:09]} Nbd7 {[%emt 0:02:15]} 7. Rc1 {[%emt 0:01:00]} c6 {[%emt 0:02:55]} 8. a3 {[%emt 0:02:49]} Re8 {[%emt 0:07:11]} 9. Bd3 {[%emt 0:00:40]} b6 {[%emt 0:07:06]} 10. cxd5 {[%emt 0:01:53]} exd5 {[%emt 0:01:27]} 11. O-O {[%emt 0:00:25]} Ne4 {[%emt 0:03:32]} 12. Bf4 {[%emt 0:08:59]} Nxc3 {[%emt 0:02:49]} 13. Rxc3 {[%emt 0:00:26]} Bb7 {[%emt 0:00:14]} 14. Ne5 {[%emt 0:03:20]} Nxe5 {[%emt 0:03:48]} 15. Bxe5 {[%emt 0:00:10]} c5 {[%emt 0:08:36]} 16. Bb5 {[%emt 0:08:48]} Rf8 {[%emt 0:00:45]} 17. dxc5 {[%emt 0:04:19]} bxc5 {[%emt 0:05:33]} 18. Qe2 {[%emt 0:31:27]} Bd6 {[%emt 0:06:34]} 19. Bxd6 {[%emt 0:00:51]} Qxd6 {[%emt 0:00:02]} 20. Rd1 {[%emt 0:00:06]} Rac8 {[%emt 0:04:38]} 21. Rcd3 {[%emt 0:05:37]} Qe7 {[%emt 0:07:30]} 22. R3d2 {[%emt 0:01:25]} g6 {[%emt 0:02:37]} 23. Ba6 {[%emt 0:01:09]} Rfd8 {[%emt 0:08:46]} 24. g3 {[%emt 0:05:00]} Rd6 {[%emt 0:07:59]} 25. Bxb7 {[%emt 0:01:07]} Qxb7 {[%emt 0:00:02]} 26. h4 {[%emt 0:00:13]} h5 {[%emt 0:01:18]} 27. Qf3 {[%emt 0:00:08]} Rcd8 {[%emt 0:00:06]} 28. Rc2 {[%emt 0:02:01]} Qb6 {[%emt 0:01:08]} 29. Rcd2 {[%emt 0:02:35]} d4 {[%emt 0:05:28]} 30. Qf4 {[%emt 0:02:55]} a5 {[%emt 0:01:34]} 31. Kg2 {[%emt 0:07:23]} Rd5 {[%emt 0:02:44]} 32. Qe4 {[%emt 0:01:09]} Qf6 {[%emt 0:00:55]} 33. b4 {[%emt 0:04:13]} axb4 {[%emt 0:00:27]} 34. axb4 {[%emt 0:00:10]} Re5 {[%emt 0:01:25]} 35. Qc2 {[%emt 0:02:31]} d3 {[%emt 0:02:17]} 36. Rxd3 {[%emt 0:01:35]} Rxd3 {[%emt 0:00:02]} 37. Qxd3 {[%emt 0:00:11]} Qc6+ {[%emt 0:00:15]} 38. Kg1 {[%emt 0:00:43]} cxb4 {[%emt 0:00:05]} 39. Qd4 {[%emt 0:00:41]} Re4 {[%emt 0:01:02]} 40. Qd8+ {[%emt 0:00:21]} Re8 {[%emt 0:00:02]} 41. Qd3 {[%emt 0:00:39]} Rb8 {[%emt 0:01:20]} 42. Qb3 {[%emt 0:00:04]} Qe6 {[%emt 0:01:49]} 43. Qxe6 {[%emt 0:01:05]} fxe6 {[%emt 0:00:02]} 44. Kf1 {[%emt 0:00:08]} Kf7 {[%emt 0:00:10]} 45. Ke2 {[%emt 0:00:03]} Ke7 {[%emt 0:00:11]} 46. Kd2 {[%emt 0:00:37]} Rd8+ {[%emt 0:00:42]} 47. Kc2 {[%emt 0:00:46]} b3+ {[%emt 0:00:15]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.40"]
[White "Paredes Guzman, Francisco Javier"]
[Black "Real Pereyra, Jeronimo"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1891"]
[BlackElo "2147"]
[Annotator "NA"]
[PlyCount "88"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:24:17]} 2. c4 {[%emt 0:00:04]} e6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:03]} Bb4 {[%emt 0:00:04]} 4. Qc2 {[%emt 0:00:05]} O-O {[%emt 0:00:06]} 5. e4 {[%emt 0:00:03]} d5 {[%emt 0:00:13]} 6. e5 {[%emt 0:00:04]} Ne4 {[%emt 0:00:03]} 7. Bd3 {[%emt 0:00:04]} c5 {[%emt 0:00:02]} 8. Nf3 {[%emt 0:00:05]} cxd4 {[%emt 0:10:01]} 9. Nxd4 {[%emt 0:00:05]} Qh4 {[%emt 0:04:27]} 10. O-O {[%emt 0:18:29]} Nxc3 {[%emt 0:06:20]} 11. bxc3 {[%emt 0:00:08]} dxc4 {[%emt 0:00:31]} 12. Be4 {[%emt 0:30:50]} Be7 $14 {[%emt 0:02:05]} 13. Nf3 {[%emt 0:00:33]} Qh5 {[%emt 0:01:01]} 14. g4 {[%emt 0:00:31]} Qxg4+ {[%emt 0:05:17]} 15. Kh1 {[%emt 0:00:09]} Qh5 {[%emt 0:01:39]} 16. Rg1 {[%emt 0:01:51]} Nd7 {[%emt 0:09:28]} 17. Rg3 {[%emt 0:05:37]} Nc5 {[%emt 0:03:29]} 18. Bg5 {[%emt 0:06:55]} Nxe4 {[%emt 0:03:59]} 19. Qxe4 {[%emt 0:00:07]} Bxg5 {[%emt 0:02:17]} 20. Rxg5 {[%emt 0:02:45]} Qh6 {[%emt 0:00:11]} 21. Rag1 {[%emt 0:09:19]} g6 {[%emt 0:00:38]} 22. Nd4 {[%emt 0:06:53]} Rb8 {[%emt 0:02:04]} 23. f3 {[%emt 0:01:44]} b5 {[%emt 0:03:34]} 24. Qf4 {[%emt 0:01:13]} Qg7 {[%emt 0:01:28]} 25. R1g3 {[%emt 0:04:09]} Rb7 {[%emt 0:03:56]} 26. Rh3 {[%emt 0:02:01]} f6 {[%emt 0:02:04]} 27. exf6 {[%emt 0:00:43]} Qxf6 {[%emt 0:01:03]} 28. Qxf6 {[%emt 0:03:33]} Rxf6 {[%emt 0:00:03]} 29. Rxb5 {[%emt 0:00:24]} e5 {[%emt 0:00:26]} 30. Rxb7 {[%emt 0:00:24]} Bxb7 {[%emt 0:00:13]} 31. Nb5 {[%emt 0:00:51]} Rxf3 {[%emt 0:00:29]} 32. Rxf3 {[%emt 0:00:08]} Bxf3+ {[%emt 0:00:04]} 33. Kg1 {[%emt 0:00:04]} a5 {[%emt 0:00:18]} 34. Kf2 {[%emt 0:00:09]} Bd5 {[%emt 0:01:10]} 35. Nc7 {[%emt 0:00:12]} Bf7 {[%emt 0:00:39]} 36. Ke3 {[%emt 0:00:14]} Kg7 {[%emt 0:00:17]} 37. a4 {[%emt 0:01:31]} g5 {[%emt 0:01:37]} 38. Nb5 {[%emt 0:00:13]} Bd5 {[%emt 0:01:04]} 39. Nc7 {[%emt 0:00:53]} Bc6 {[%emt 0:00:14]} 40. Ne6+ {[%emt 0:00:09]} Kf6 {[%emt 0:00:12]} 41. Nc5 {[%emt 0:00:15]} g4 {[%emt 0:00:47]} 42. Kf2 {[%emt 0:00:51]} h5 {[%emt 0:00:20]} 43. Kg3 {[%emt 0:00:28]} Kf5 {[%emt 0:00:11]} 44. Kf2 {[%emt 0:00:15]} h4 {[%emt 0:00:02]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.41"]
[White "Martinez de La Trinidad, Alexandra"]
[Black "Guevara Sanchez, Erick Marvin"]
[Result "0-1"]
[ECO "A87"]
[WhiteElo "1843"]
[BlackElo "2145"]
[Annotator "NA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:30]} g6 {[%emt 0:05:46]} 2. Nf3 {[%emt 0:00:13]} Bg7 {[%emt 0:00:14]} 3. g3 {[%emt 0:00:09]} f5 {[%emt 0:00:09]} 4. Bg2 {[%emt 0:00:09]} Nf6 {[%emt 0:00:07]} 5. O-O {[%emt 0:00:07]} O-O {[%emt 0:00:13]} 6. b3 {[%emt 0:00:05]} d6 {[%emt 0:00:28]} 7. Bb2 {[%emt 0:00:29]} Qe8 {[%emt 0:00:11]} 8. c4 {[%emt 0:00:13]} h6 {[%emt 0:03:22]} 9. Qc2 {[%emt 0:00:55]} g5 {[%emt 0:04:37]} 10. Nc3 {[%emt 0:07:52]} Na6 {[%emt 0:03:43]} 11. Rad1 {[%emt 0:00:26]} c6 {[%emt 0:01:19]} 12. Rfe1 {[%emt 0:00:13]} Qh5 {[%emt 0:10:10]} 13. e4 {[%emt 0:04:03]} fxe4 {[%emt 0:11:42]} 14. Nxe4 {[%emt 0:00:26]} Nxe4 {[%emt 0:00:29]} 15. Qxe4 {[%emt 0:00:25]} Bg4 {[%emt 0:00:30]} 16. Re3 {[%emt 0:01:00]} Rf7 {[%emt 0:02:17]} 17. Rde1 {[%emt 0:00:38]} Bf5 {[%emt 0:00:28]} 18. g4 {[%emt 0:00:16]} Bxg4 {[%emt 0:03:21]} 19. Nd2 {[%emt 0:02:01]} Raf8 {[%emt 0:01:34]} 20. Rg3 {[%emt 0:00:28]} Bf5 {[%emt 0:02:25]} 21. Qe2 {[%emt 0:00:44]} Qg6 {[%emt 0:00:26]} 22. Nf3 {[%emt 0:00:44]} Qf6 {[%emt 0:04:48]} 23. Bc3 {[%emt 0:01:31]} Bd7 {[%emt 0:05:42]} 24. Nd2 {[%emt 0:03:56]} Nc7 {[%emt 0:06:52]} 25. Ne4 {[%emt 0:00:14]} Qg6 {[%emt 0:00:33]} 26. f3 {[%emt 0:02:15]} Ne6 {[%emt 0:00:52]} 27. Qd2 {[%emt 0:02:06]} Nf4 {[%emt 0:00:29]} 28. h4 {[%emt 0:00:11]} Nh5 {[%emt 0:01:49]} 29. Qf2 {[%emt 0:01:04]} Bf5 {[%emt 0:03:42]} 30. hxg5 $19 {[%emt 0:01:02]} Bxe4 {[%emt 0:09:37]} 31. gxh6 {[%emt 0:07:37]} Nxg3 {[%emt 0:00:34]} 32. hxg7 {[%emt 0:00:07]} Rxg7 {[%emt 0:02:47]} 33. d5 {[%emt 0:00:10]} Rh7 {[%emt 0:03:06]} 34. Qd4 {[%emt 0:05:28]} Bxf3 {[%emt 0:04:19]} 35. Re6 {[%emt 0:00:10]} Ne2+ {[%emt 0:00:24]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.42"]
[White "Alfaro, William"]
[Black "Torres Rivas, Felipe de Jesus"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2143"]
[BlackElo "1845"]
[Annotator "NA"]
[PlyCount "65"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:04:27]} d5 {[%emt 0:09:53]} 2. c4 {[%emt 0:00:28]} c6 {[%emt 0:00:09]} 3. Nf3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:04]} 4. e3 {[%emt 0:00:51]} e6 {[%emt 0:01:16]} 5. b3 {[%emt 0:02:10]} Bd6 {[%emt 0:02:54]} 6. Bd3 {[%emt 0:00:20]} O-O {[%emt 0:00:28]} 7. Nbd2 {[%emt 0:00:32]} Nbd7 {[%emt 0:02:14]} 8. Bb2 {[%emt 0:00:10]} Qe7 {[%emt 0:01:28]} 9. Ne5 {[%emt 0:05:55]} c5 {[%emt 0:08:51]} 10. O-O {[%emt 0:00:51]} b6 {[%emt 0:00:18]} 11. Qf3 {[%emt 0:30:01]} Bb7 {[%emt 0:01:35]} 12. Qh3 {[%emt 0:03:07]} h6 {[%emt 0:05:13]} 13. Rfd1 {[%emt 0:06:22]} Rfd8 {[%emt 0:00:31]} 14. cxd5 {[%emt 0:05:05]} exd5 {[%emt 0:05:03]} 15. Nxd7 {[%emt 0:04:18]} Qxd7 {[%emt 0:00:27]} 16. Qf3 {[%emt 0:00:52]} c4 {[%emt 0:08:45]} 17. Bf5 {[%emt 0:00:07]} Qc7 {[%emt 0:00:06]} 18. Rac1 {[%emt 0:00:01]} b5 {[%emt 0:00:10]} 19. Qe2 {[%emt 0:03:02]} Bc8 {[%emt 0:10:29]} 20. Bxc8 {[%emt 0:01:03]} Raxc8 {[%emt 0:00:17]} 21. e4 {[%emt 0:01:21]} Bxh2+ {[%emt 0:01:25]} 22. Kh1 {[%emt 0:00:13]} Bf4 {[%emt 0:00:06]} 23. exd5 {[%emt 0:04:03]} Rxd5 {[%emt 0:01:09]} 24. g3 {[%emt 0:10:19]} Qb7 {[%emt 0:14:30]} 25. Kg1 {[%emt 0:04:54]} Bxd2 {[%emt 0:11:54]} 26. Rxd2 {[%emt 0:00:04]} Re8 {[%emt 0:00:20]} 27. Qf3 {[%emt 0:00:22]} cxb3 {[%emt 0:12:40]} 28. axb3 {[%emt 0:01:00]} Qd7 {[%emt 0:00:21]} 29. Re2 {[%emt 0:05:12]} Rxe2 {[%emt 0:01:36]} 30. Qxe2 {[%emt 0:00:01]} a5 {[%emt 0:00:24]} 31. Rc5 {[%emt 0:03:03]} a4 {[%emt 0:01:24]} 32. Qf3 {[%emt 0:06:06]} Qb7 {[%emt 0:00:30]} 33. Rc1 {[%emt 0:00:30]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.43"]
[White "Salazar Moreno, Rafael"]
[Black "Vega Garcia, Jorge Arturo"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1778"]
[BlackElo "2121"]
[Annotator "ChessBase"]
[PlyCount "88"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:10:15]} g6 {[%emt 0:00:54]} 2. Nf3 {[%emt 0:00:13]} Bg7 {[%emt 0:00:15]} 3. Bf4 {[%emt 0:00:49]} d6 {[%emt 0:00:36]} 4. e3 {[%emt 0:00:25]} Nd7 {[%emt 0:00:18]} 5. c3 {[%emt 1:21:18]} e5 6. dxe5 {[%emt 0:00:00]} dxe5 {[%emt 0:01:40]} 7. Bg3 {[%emt 0:00:00]} Qe7 {[%emt 1:30:17]} 8. Nbd2 {[%emt 0:00:00]} Ngf6 {[%emt 0:00:00]} 9. h3 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 10. Be2 {[%emt 0:02:30]} Re8 11. O-O {[%emt 0:00:00]} h6 {[%emt 0:00:00]} 12. Qc2 {[%emt 0:01:00]} b6 13. Nc4 {[%emt 0:00:00]} Nh7 {[%emt 0:03:00]} 14. Rad1 Nhf8 {[%emt 0:00:00]} 15. Rfe1 {[%emt 0:00:00]} Bb7 {[%emt 0:00:00]} 16. a4 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 17. Na3 {[%emt 0:00:00]} Nc5 {[%emt 0:00:00]} 18. Nb5 {[%emt 0:00:00]} Be4 {[%emt 0:00:00]} 19. Qd2 {[%emt 0:00:00]} Nb3 {[%emt 0:00:00]} 20. Nxc7 {[%emt 0:00:00]} Nxd2 {[%emt 0:00:00]} 21. Nxe8 {[%emt 0:00:00]} Nxf3+ {[%emt 0:00:00]} 22. gxf3 {[%emt 0:00:00]} Bc2 {[%emt 0:00:00]} 23. Rd2 {[%emt 0:00:00]} Qxe8 {[%emt 0:00:00]} 24. Rxc2 {[%emt 0:00:00]} Qxa4 {[%emt 0:00:00]} 25. Rd2 {[%emt 0:00:00]} h5 {[%emt 0:00:00]} 26. Red1 {[%emt 0:00:00]} h4 {[%emt 0:00:00]} 27. Bh2 {[%emt 0:00:00]} Qb3 {[%emt 0:00:00]} 28. Ra1 {[%emt 0:00:00]} Qe6 {[%emt 0:00:00]} 29. Bf1 {[%emt 0:00:00]} Nh7 {[%emt 0:00:00]} 30. Ra4 {[%emt 0:00:00]} Ng5 {[%emt 0:00:00]} 31. Bg2 {[%emt 0:00:00]} Qc6 {[%emt 0:00:00]} 32. Rxh4 {[%emt 0:00:00]} Nxf3+ {[%emt 0:00:00]} 33. Kh1 {[%emt 0:00:00]} e4 {[%emt 0:00:00]} 34. Rd6 {[%emt 0:00:00]} Qxd6 {[%emt 0:00:00]} 35. Bxd6 {[%emt 0:00:00]} Nxh4 {[%emt 0:00:00]} 36. Bxe4 {[%emt 0:00:00]} Rd8 {[%emt 0:00:00]} 37. Bc7 {[%emt 0:00:00]} Rd2 {[%emt 0:00:00]} 38. Bxb6 {[%emt 0:00:00]} Rxb2 {[%emt 0:00:00]} 39. Bxa5 {[%emt 0:00:00]} Rxf2 {[%emt 0:00:00]} 40. c4 {[%emt 0:00:00]} Nf3 {[%emt 0:00:00]} 41. Bc7 {[%emt 0:00:00]} Be5 {[%emt 0:00:00]} 42. Bxf3 {[%emt 0:01:36]} Bxc7 {[%emt 0:00:00]} 43. Bg2 {[%emt 0:00:45]} Re2 {[%emt 0:00:00]} 44. Kg1 {[%emt 0:00:35]} Rxe3 {[%emt 0:00:00]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.44"]
[White "Hernandez Diaz, Paula Sofia"]
[Black "Limon Olmos, Ivan Alonso"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "1762"]
[BlackElo "2106"]
[Annotator "ChessBase"]
[PlyCount "125"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:07:22]} e6 {[%emt 0:16:33]} 2. Nf3 {[%emt 0:00:41]} d5 {[%emt 0:01:12]} 3. d4 {[%emt 0:01:00]} Nf6 {[%emt 0:00:14]} 4. g3 {[%emt 0:00:25]} Be7 {[%emt 0:00:29]} 5. Bg2 {[%emt 0:00:09]} O-O {[%emt 0:00:10]} 6. O-O {[%emt 0:00:17]} c6 {[%emt 0:00:14]} 7. Qc2 {[%emt 0:00:35]} b6 {[%emt 0:00:21]} 8. Nbd2 {[%emt 0:01:44]} Bb7 {[%emt 0:00:18]} 9. e4 {[%emt 0:20:43]} dxc4 {[%emt 0:00:09]} 10. Nxc4 {[%emt 0:03:17]} c5 {[%emt 0:00:09]} 11. e5 {[%emt 0:02:45]} Nd5 {[%emt 0:00:15]} 12. dxc5 {[%emt 0:00:49]} bxc5 {[%emt 0:00:07]} 13. a3 {[%emt 0:02:16]} Nc6 {[%emt 0:03:16]} 14. Rd1 {[%emt 0:04:14]} Rc8 {[%emt 0:04:58]} 15. b3 {[%emt 0:08:21]} h6 {[%emt 0:03:21]} 16. Bb2 {[%emt 0:03:16]} Qc7 {[%emt 0:01:59]} 17. Rac1 {[%emt 0:02:13]} Rfd8 {[%emt 0:01:22]} 18. h3 {[%emt 0:08:56]} Rd7 {[%emt 0:06:58]} 19. Nd6 {[%emt 0:13:53]} Bxd6 {[%emt 0:03:43]} 20. exd6 {[%emt 0:00:51]} Qxd6 {[%emt 0:00:13]} 21. Qxc5 {[%emt 0:00:20]} Qb8 {[%emt 0:01:01]} 22. Qb5 {[%emt 0:04:20]} Rcd8 {[%emt 0:11:11]} 23. Qe2 {[%emt 0:06:39]} Qa8 {[%emt 0:20:48]} 24. b4 {[%emt 0:02:17]} a6 {[%emt 0:01:38]} 25. Ne5 {[%emt 0:01:55]} Nxe5 {[%emt 0:00:55]} 26. Qxe5 {[%emt 0:00:07]} Nf6 {[%emt 0:00:29]} 27. Rxd7 {[%emt 0:00:37]} Rxd7 {[%emt 0:00:03]} 28. Bxb7 {[%emt 0:00:21]} Qxb7 {[%emt 0:00:08]} 29. Qf4 {[%emt 0:00:23]} Ne8 {[%emt 0:03:44]} 30. Qe3 {[%emt 0:01:24]} Nc7 {[%emt 0:06:04]} 31. Qc3 {[%emt 0:02:00]} Ne8 {[%emt 0:00:05]} 32. Qe3 {[%emt 0:00:08]} Qb5 {[%emt 0:02:43]} 33. Qe1 {[%emt 0:01:51]} Qh5 {[%emt 0:03:10]} 34. h4 {[%emt 0:01:21]} Rd3 {[%emt 0:03:54]} 35. Qe4 {[%emt 0:00:00]} Rd1+ {[%emt 0:01:27]} 36. Rxd1 {[%emt 0:00:00]} Qxd1+ {[%emt 0:00:07]} 37. Kg2 {[%emt 0:00:03]} Nc7 {[%emt 0:02:22]} 38. Qe5 {[%emt 0:00:46]} Ne8 {[%emt 0:01:36]} 39. Qe4 {[%emt 0:00:29]} Qb3 {[%emt 0:01:00]} 40. Qa8 {[%emt 0:01:03]} Kf8 {[%emt 0:00:30]} 41. Bxg7+ {[%emt 0:00:26]} Kxg7 {[%emt 0:00:02]} 42. Qxe8 {[%emt 0:00:07]} Qxa3 {[%emt 0:00:31]} 43. Qb8 {[%emt 0:00:08]} Qb2 {[%emt 0:00:25]} 44. Qf4 {[%emt 0:01:58]} Qe2 {[%emt 0:00:26]} 45. Qd4+ {[%emt 0:00:00]} e5 {[%emt 0:00:11]} 46. Qd6 {[%emt 0:00:00]} h5 {[%emt 0:01:24]} 47. Kg1 {[%emt 0:00:07]} f6 {[%emt 0:00:49]} 48. Qe7+ {[%emt 0:01:13]} Kg6 {[%emt 0:00:02]} 49. Kg2 {[%emt 0:00:32]} Kf5 {[%emt 0:00:46]} 50. Qd7+ {[%emt 0:00:27]} Ke4 {[%emt 0:00:35]} 51. Qc6+ {[%emt 0:00:10]} Kf5 {[%emt 0:00:51]} 52. Qd7+ {[%emt 0:00:13]} Kg6 {[%emt 0:00:09]} 53. Qe8+ {[%emt 0:00:20]} Kg7 {[%emt 0:00:29]} 54. Qe7+ {[%emt 0:00:19]} Kg6 {[%emt 0:00:02]} 55. Qe8+ {[%emt 0:00:06]} Kf5 {[%emt 0:00:01]} 56. Qd7+ {[%emt 0:00:08]} Ke4 {[%emt 0:00:17]} 57. Qc6+ {[%emt 0:00:12]} Kf5 {[%emt 0:02:22]} 58. Qd7+ {[%emt 0:00:09]} Ke4 {[%emt 0:01:12]} 59. Qc6+ {[%emt 0:03:34]} Kd4 60. Qxf6 Kc3 {[%emt 0:01:00]} 61. Qd6 {[%emt 0:01:00]} Qe4+ {[%emt 0:00:30]} 62. Kg1 {[%emt 0:00:30]} Qxb4 {[%emt 0:00:30]} 63. Qxa6 {[%emt 0:00:00]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.45"]
[White "Davalos Prieto, Abel Justo"]
[Black "Garcia Lopez, Miguel Angel"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2103"]
[BlackElo "2262"]
[Annotator "ChessBase"]
[PlyCount "91"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:19]} d5 {[%emt 0:00:44]} 2. Bf4 {[%emt 0:00:19]} c5 {[%emt 0:00:08]} 3. e3 {[%emt 0:00:18]} Nc6 {[%emt 0:00:05]} 4. Nf3 {[%emt 0:00:30]} Nf6 {[%emt 0:05:09]} 5. Nbd2 {[%emt 0:00:19]} Bf5 {[%emt 0:01:38]} 6. c3 {[%emt 0:04:09]} e6 {[%emt 0:02:54]} 7. Qb3 {[%emt 0:01:35]} Qc8 {[%emt 0:05:36]} 8. h3 {[%emt 0:01:40]} c4 {[%emt 0:02:18]} 9. Qd1 {[%emt 0:00:13]} b5 {[%emt 0:00:58]} 10. Nh4 {[%emt 0:00:33]} Be7 {[%emt 0:02:55]} 11. Nxf5 {[%emt 0:00:34]} exf5 {[%emt 0:00:02]} 12. Be2 {[%emt 0:00:59]} h6 {[%emt 0:03:07]} 13. Qc2 {[%emt 0:04:29]} O-O {[%emt 0:04:09]} 14. O-O {[%emt 0:01:53]} Qe6 {[%emt 0:03:11]} 15. Rae1 {[%emt 0:00:18]} Kh8 {[%emt 0:09:55]} 16. Bd1 {[%emt 0:01:25]} g5 {[%emt 0:02:20]} 17. Bh2 {[%emt 0:00:27]} Rg8 {[%emt 0:05:09]} 18. f3 {[%emt 0:07:38]} Rg7 {[%emt 0:08:51]} 19. e4 {[%emt 0:01:17]} f4 {[%emt 0:00:30]} 20. exd5 {[%emt 0:03:11]} Qxd5 {[%emt 0:00:07]} 21. b3 {[%emt 0:06:32]} Nd7 {[%emt 0:04:02]} 22. bxc4 {[%emt 0:02:04]} bxc4 {[%emt 0:00:13]} 23. Qe4 {[%emt 0:00:14]} Nf6 {[%emt 0:01:33]} 24. Qe2 {[%emt 0:05:04]} Rc8 {[%emt 0:06:32]} 25. Qxc4 {[%emt 0:01:04]} Qxc4 {[%emt 0:00:39]} 26. Nxc4 {[%emt 0:00:09]} Nd5 {[%emt 0:00:07]} 27. Ne5 {[%emt 0:00:24]} Ne3 {[%emt 0:00:34]} 28. Ng4 {[%emt 0:08:05]} Nxf1 {[%emt 0:03:16]} 29. Kxf1 {[%emt 0:00:10]} h5 {[%emt 0:02:43]} 30. Nh6 {[%emt 0:00:50]} Ba3 {[%emt 0:06:27]} 31. Bb3 {[%emt 0:02:44]} f6 {[%emt 0:08:11]} 32. Nf5 {[%emt 0:01:50]} h4 {[%emt 0:02:36]} 33. Nxg7 {[%emt 0:08:35]} Kxg7 {[%emt 0:00:04]} 34. Ke2 {[%emt 0:00:44]} Re8+ {[%emt 0:01:37]} 35. Kd2 {[%emt 0:00:30]} Rxe1 {[%emt 0:04:08]} 36. Kxe1 {[%emt 0:00:11]} Kf8 {[%emt 0:00:05]} 37. Kd2 {[%emt 0:00:31]} Ke7 {[%emt 0:00:24]} 38. Bg1 {[%emt 0:00:30]} a5 {[%emt 0:00:58]} 39. Ba4 {[%emt 0:00:40]} Nd8 {[%emt 0:06:05]} 40. c4 {[%emt 0:00:43]} Ne6 {[%emt 0:00:00]} 41. Kd3 {[%emt 0:00:17]} f5 {[%emt 0:00:00]} 42. Bf2 {[%emt 0:01:12]} Bb4 {[%emt 0:00:39]} 43. c5 {[%emt 0:01:04]} Nc7 {[%emt 0:00:49]} 44. Kc4 {[%emt 0:00:51]} Na6 {[%emt 0:00:26]} 45. d5 {[%emt 0:00:29]} Nc7 {[%emt 0:00:32]} 46. d6+ {[%emt 0:00:14]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.46"]
[White "Martinez Morales, Geovanni"]
[Black "Zacarias Martinez, Daniel"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2098"]
[BlackElo "1673"]
[Annotator "ChessBase"]
[PlyCount "82"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:05]} e5 {[%emt 0:06:41]} 2. Nf3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:08]} 3. Bb5 {[%emt 0:00:07]} a6 {[%emt 0:00:08]} 4. Bxc6 {[%emt 0:01:29]} dxc6 {[%emt 0:00:22]} 5. O-O {[%emt 0:00:10]} Bg4 {[%emt 0:02:20]} 6. h3 {[%emt 0:00:15]} h5 {[%emt 0:00:12]} 7. d3 {[%emt 0:03:08]} Qf6 {[%emt 0:00:11]} 8. Be3 {[%emt 0:03:35]} Bxf3 {[%emt 0:00:37]} 9. Qxf3 {[%emt 0:00:18]} Qxf3 {[%emt 0:00:13]} 10. gxf3 {[%emt 0:00:07]} Bd6 {[%emt 0:00:38]} 11. Nc3 {[%emt 0:07:20]} Ne7 {[%emt 0:00:21]} 12. Ne2 {[%emt 0:00:50]} Ng6 {[%emt 0:00:28]} 13. Kh2 {[%emt 0:05:11]} O-O-O {[%emt 0:01:15]} 14. Rg1 {[%emt 0:03:17]} Rdg8 {[%emt 0:06:04]} 15. a3 {[%emt 0:31:46]} Kd7 {[%emt 0:10:38]} 16. b4 {[%emt 0:01:16]} b6 {[%emt 0:08:15]} 17. c4 {[%emt 0:04:37]} c5 {[%emt 0:17:03]} 18. bxc5 {[%emt 0:01:41]} bxc5 {[%emt 0:02:17]} 19. Rab1 {[%emt 0:00:26]} Rb8 {[%emt 0:03:05]} 20. Nc3 {[%emt 0:06:16]} Rxb1 {[%emt 0:06:22]} 21. Rxb1 {[%emt 0:00:08]} Nf8 {[%emt 0:00:37]} 22. Rb8 {[%emt 0:01:57]} Ng6 {[%emt 0:00:29]} 23. Rb7 {[%emt 0:05:43]} Kc6 {[%emt 0:00:53]} 24. Rb3 {[%emt 0:00:38]} f5 {[%emt 0:08:52]} 25. exf5 {[%emt 0:04:51]} Nh4 {[%emt 0:24:51]} 26. Ne4 {[%emt 0:04:00]} Nxf3+ {[%emt 0:00:00]} 27. Kg3 {[%emt 0:02:37]} Nd4 {[%emt 0:00:00]} 28. Bxd4 {[%emt 0:00:21]} exd4+ {[%emt 0:00:00]} 29. Nxd6 {[%emt 0:00:16]} cxd6 {[%emt 0:00:00]} 30. Kf4 {[%emt 0:00:15]} d5 {[%emt 0:00:00]} 31. cxd5+ {[%emt 0:00:42]} Kxd5 {[%emt 0:00:00]} 32. Rb7 {[%emt 0:00:35]} c4 {[%emt 0:00:00]} 33. dxc4+ {[%emt 0:01:26]} Kxc4 {[%emt 0:00:00]} 34. Rxg7 {[%emt 0:00:12]} Rd8 {[%emt 0:00:00]} 35. f6 {[%emt 0:01:53]} d3 {[%emt 0:00:00]} 36. Kf5 {[%emt 0:03:15]} d2 {[%emt 0:00:25]} 37. Rg1 {[%emt 0:00:27]} Kd3 {[%emt 0:04:02]} 38. f7 {[%emt 0:03:15]} Kc2 {[%emt 0:00:52]} 39. Kf6 {[%emt 0:00:29]} d1=Q {[%emt 0:01:00]} 40. Rxd1 {[%emt 0:00:11]} Kxd1 {[%emt 0:00:29]} 41. Ke7 {[%emt 0:00:22]} Ra8 {[%emt 0:01:12]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.47"]
[White "Santiago Gonzalez, Frida"]
[Black "Ortiz Verdezoto, Anahi"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1758"]
[BlackElo "2047"]
[Annotator "ChessBase"]
[PlyCount "82"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} e5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:06]} 3. d3 {[%emt 0:00:08]} Nf6 {[%emt 0:00:26]} 4. g3 {[%emt 0:00:13]} d5 {[%emt 0:01:19]} 5. exd5 {[%emt 0:00:38]} Nxd5 {[%emt 0:00:18]} 6. Bg2 {[%emt 0:00:11]} Be7 {[%emt 0:01:47]} 7. O-O {[%emt 0:00:12]} O-O {[%emt 0:00:08]} 8. Re1 {[%emt 0:01:02]} f6 {[%emt 0:00:22]} 9. Nbd2 {[%emt 0:00:50]} Bg4 {[%emt 0:00:14]} 10. h3 {[%emt 0:00:19]} Bh5 {[%emt 0:00:43]} 11. g4 {[%emt 0:01:42]} Bf7 {[%emt 0:00:55]} 12. Nf1 {[%emt 0:00:39]} Nf4 {[%emt 0:03:13]} 13. Ng3 {[%emt 0:02:09]} Nxg2 {[%emt 0:00:27]} 14. Kxg2 {[%emt 0:00:07]} Qd7 {[%emt 0:07:31]} 15. Nf5 {[%emt 0:07:23]} Be6 {[%emt 0:05:14]} 16. N3h4 {[%emt 0:08:00]} Rad8 {[%emt 0:07:35]} 17. Be3 {[%emt 0:04:50]} g6 {[%emt 0:02:25]} 18. Nxe7+ {[%emt 0:08:27]} Nxe7 {[%emt 0:01:44]} 19. Kg1 {[%emt 0:04:42]} f5 {[%emt 0:05:02]} 20. Bh6 {[%emt 0:02:10]} fxg4 {[%emt 0:01:36]} 21. Rxe5 {[%emt 0:10:10]} g3 {[%emt 0:03:10]} 22. Bxf8 {[%emt 0:10:29]} gxf2+ {[%emt 0:02:18]} 23. Kg2 {[%emt 0:08:16]} Rxf8 {[%emt 0:03:19]} 24. Rxe6 {[%emt 0:02:54]} f1=Q+ 25. Qxf1 {[%emt 0:00:21]} Rxf1 {[%emt 0:01:03]} 26. Rxe7 {[%emt 0:01:32]} Qxe7 {[%emt 0:00:05]} 27. Rxf1 {[%emt 0:00:37]} Qxh4 {[%emt 0:00:05]} 28. b3 {[%emt 0:04:54]} h5 {[%emt 0:00:19]} 29. a4 {[%emt 0:01:43]} g5 {[%emt 0:00:06]} 30. a5 {[%emt 0:04:19]} g4 {[%emt 0:00:47]} 31. hxg4 {[%emt 0:00:19]} hxg4 {[%emt 0:00:02]} 32. Rh1 {[%emt 0:00:25]} Qg5 {[%emt 0:00:03]} 33. Kg3 {[%emt 0:00:48]} Qxa5 {[%emt 0:00:08]} 34. Rh4 {[%emt 0:02:09]} Qe1+ {[%emt 0:00:08]} 35. Kxg4 {[%emt 0:00:59]} Qe2+ {[%emt 0:00:07]} 36. Kf5 {[%emt 0:00:46]} Qxc2 {[%emt 0:00:08]} 37. Rc4 {[%emt 0:01:37]} Qxd3+ {[%emt 0:00:07]} 38. Kf6 {[%emt 0:01:04]} Qxb3 {[%emt 0:00:40]} 39. Rg4+ {[%emt 0:00:49]} Kf8 {[%emt 0:00:03]} 40. Rh4 {[%emt 0:05:09]} Qf7+ {[%emt 0:01:12]} 41. Kg5 {[%emt 0:00:14]} Qe7+ {[%emt 0:00:07]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.48"]
[White "Munoz Ricardo, Wasdin Antonio"]
[Black "Zarate Manjarrez, Alfredo"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1745"]
[BlackElo "2026"]
[Annotator "NA"]
[PlyCount "50"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:14]} c5 {[%emt 0:00:20]} 2. Nf3 {[%emt 0:01:38]} d6 {[%emt 0:00:11]} 3. d4 {[%emt 0:00:40]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:04]} 5. Nc3 {[%emt 0:00:05]} g6 {[%emt 0:04:42]} 6. Bc4 {[%emt 0:02:41]} Bg7 {[%emt 0:00:11]} 7. Bb3 {[%emt 0:01:15]} Nc6 {[%emt 0:00:30]} 8. Nxc6 {[%emt 0:02:54]} bxc6 {[%emt 0:00:06]} 9. e5 {[%emt 0:00:38]} dxe5 {[%emt 0:00:25]} 10. Qf3 {[%emt 0:06:07]} Qc7 {[%emt 0:06:43]} 11. Bg5 {[%emt 0:04:24]} O-O {[%emt 0:00:37]} 12. Bxf6 {[%emt 0:02:33]} exf6 {[%emt 0:02:02]} 13. O-O-O {[%emt 0:01:45]} f5 {[%emt 0:00:35]} 14. Nb5 {[%emt 0:02:58]} Qb6 {[%emt 0:04:49]} 15. Nd6 {[%emt 0:01:00]} Be6 {[%emt 0:21:43]} 16. Bxe6 {[%emt 0:18:16]} fxe6 {[%emt 0:00:01]} 17. Nc4 {[%emt 0:00:32]} Qa6 {[%emt 0:01:47]} 18. b3 {[%emt 0:09:35]} e4 {[%emt 0:03:16]} 19. Qf4 {[%emt 0:08:53]} Qxa2 {[%emt 0:00:42]} 20. Rd7 {[%emt 0:18:47]} Qa1+ {[%emt 0:02:26]} 21. Kd2 {[%emt 0:00:03]} Bc3+ {[%emt 0:01:47]} 22. Ke2 {[%emt 0:01:35]} Qxh1 {[%emt 0:00:05]} 23. Rd1 {[%emt 0:03:23]} Qxg2 {[%emt 0:00:10]} 24. Qd6 {[%emt 0:01:56]} Qg4+ {[%emt 0:03:48]} 25. Kf1 {[%emt 0:00:43]} f4 {[%emt 0:00:07]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.49"]
[White "Nava Ruiz, Miguel Angel"]
[Black "Ocampo, Cristina"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1696"]
[BlackElo "2024"]
[Annotator "ChessBase"]
[PlyCount "114"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:33]} 2. Nf3 {[%emt 0:01:07]} e6 {[%emt 0:00:13]} 3. c4 {[%emt 0:00:50]} Bb4+ {[%emt 0:00:15]} 4. Bd2 {[%emt 0:02:24]} Qe7 {[%emt 0:01:39]} 5. e3 {[%emt 0:00:38]} O-O {[%emt 0:04:56]} 6. Bd3 {[%emt 0:00:42]} Bxd2+ {[%emt 0:03:15]} 7. Nbxd2 {[%emt 0:01:32]} d6 {[%emt 0:01:06]} 8. O-O {[%emt 0:02:27]} e5 {[%emt 0:02:20]} 9. e4 {[%emt 0:05:15]} Nbd7 {[%emt 0:04:15]} 10. Re1 {[%emt 0:09:44]} a5 {[%emt 0:05:29]} 11. Nf1 {[%emt 0:04:39]} b6 {[%emt 0:23:08]} 12. Ne3 {[%emt 0:03:23]} g6 {[%emt 0:00:38]} 13. Nd5 {[%emt 0:05:36]} Qd8 {[%emt 0:01:39]} 14. a3 {[%emt 0:04:32]} Bb7 {[%emt 0:11:04]} 15. b4 {[%emt 0:03:08]} Re8 {[%emt 0:02:56]} 16. Rb1 {[%emt 0:06:38]} c6 {[%emt 0:04:03]} 17. Nxf6+ {[%emt 0:09:12]} Nxf6 {[%emt 0:00:13]} 18. d5 {[%emt 0:01:05]} Qc7 {[%emt 0:02:25]} 19. Qd2 {[%emt 0:00:58]} Nh5 {[%emt 0:02:43]} 20. Qb2 {[%emt 0:02:50]} Nf4 {[%emt 0:01:42]} 21. Bf1 {[%emt 0:00:37]} a4 {[%emt 0:01:37]} 22. g3 {[%emt 0:00:49]} Nh5 {[%emt 0:00:05]} 23. Bg2 {[%emt 0:11:19]} Rec8 {[%emt 0:00:26]} 24. c5 {[%emt 0:01:40]} cxd5 {[%emt 0:05:59]} 25. cxd6 {[%emt 0:00:25]} Qxd6 {[%emt 0:00:07]} 26. Nxe5 {[%emt 0:00:53]} dxe4 {[%emt 0:01:48]} 27. Ng4 {[%emt 0:03:44]} Qf8 {[%emt 0:02:47]} 28. Qd4 {[%emt 0:03:11]} f5 {[%emt 0:01:55]} 29. Qxb6 {[%emt 0:00:25]} Qg7 {[%emt 0:01:37]} 30. Ne3 {[%emt 0:00:55]} Nf6 {[%emt 0:01:08]} 31. Rbc1 {[%emt 0:02:17]} Nd5 {[%emt 0:02:32]} 32. Nxd5 {[%emt 0:01:25]} Bxd5 {[%emt 0:00:07]} 33. Qb5 {[%emt 0:01:29]} Bb3 {[%emt 0:02:06]} 34. Bf1 {[%emt 0:00:50]} Rc3 {[%emt 0:04:49]} 35. Rxc3 {[%emt 0:02:33]} Qxc3 {[%emt 0:00:06]} 36. Re3 {[%emt 0:00:05]} Qd4 {[%emt 0:02:46]} 37. Qb7 {[%emt 0:01:33]} Rd8 {[%emt 0:01:06]} 38. b5 {[%emt 0:00:47]} Qc5 {[%emt 0:01:25]} 39. Qc6 {[%emt 0:00:39]} Qxc6 {[%emt 0:03:02]} 40. bxc6 {[%emt 0:00:04]} Rc8 {[%emt 0:00:00]} 41. Rc3 {[%emt 0:00:02]} Rc7 {[%emt 0:00:00]} 42. Bb5 {[%emt 0:01:14]} Kg7 {[%emt 0:00:00]} 43. f3 {[%emt 0:00:13]} exf3 {[%emt 0:00:49]} 44. Kf2 {[%emt 0:00:08]} Kf6 {[%emt 0:01:41]} 45. Kxf3 {[%emt 0:00:22]} Ke5 {[%emt 0:00:00]} 46. Ke3 {[%emt 0:00:03]} Kd6 {[%emt 0:00:17]} 47. Rd3+ {[%emt 0:00:38]} Kc5 {[%emt 0:00:41]} 48. Rd7 {[%emt 0:00:29]} Kb6 {[%emt 0:00:04]} 49. Kd4 {[%emt 0:01:16]} Rc8 {[%emt 0:00:17]} 50. Rb7+ {[%emt 0:00:05]} Ka5 {[%emt 0:00:10]} 51. Kc5 {[%emt 0:00:10]} Ra8 {[%emt 0:00:46]} 52. Bd3 {[%emt 0:00:51]} Be6 {[%emt 0:00:41]} 53. Rxh7 {[%emt 0:01:57]} g5 {[%emt 0:00:22]} 54. Re7 {[%emt 0:00:31]} Bb3 {[%emt 0:00:59]} 55. Bxf5 {[%emt 0:00:07]} Bd1 {[%emt 0:00:33]} 56. c7 {[%emt 0:00:11]} g4 {[%emt 0:00:38]} 57. c8=Q {[%emt 0:00:37]} Bc2 {[%emt 0:01:02]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.50"]
[White "Lopez De Nava Hernandez, Carlos"]
[Black "Zaragoza Alanis, Miguel Arnulfo"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2023"]
[BlackElo "1342"]
[Annotator "NA"]
[PlyCount "102"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:09:56]} e5 {[%emt 0:00:01]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:02]} 3. Bc4 {[%emt 0:00:22]} Bc5 {[%emt 0:00:01]} 4. c3 {[%emt 0:00:08]} Nf6 {[%emt 0:00:03]} 5. d3 {[%emt 0:00:46]} d6 {[%emt 0:00:06]} 6. O-O {[%emt 0:00:12]} O-O {[%emt 0:00:03]} 7. Re1 {[%emt 0:00:33]} a6 {[%emt 0:00:04]} 8. Bb3 {[%emt 0:00:37]} h6 {[%emt 0:00:26]} 9. a4 {[%emt 0:03:04]} Ba7 {[%emt 0:00:01]} 10. Nbd2 {[%emt 0:01:21]} Nh5 {[%emt 0:00:10]} 11. Nf1 {[%emt 0:01:23]} Qf6 {[%emt 0:00:05]} 12. Be3 {[%emt 0:02:50]} Bg4 {[%emt 0:01:10]} 13. N1d2 {[%emt 0:03:10]} Nf4 {[%emt 0:01:13]} 14. Bxa7 {[%emt 0:04:49]} Rxa7 {[%emt 1:34:05]} 15. Re3 {[%emt 0:00:27]} Raa8 {[%emt 0:00:00]} 16. Nf1 {[%emt 0:05:21]} g5 {[%emt 0:00:00]} 17. Qd2 {[%emt 0:05:23]} Ne7 {[%emt 0:00:00]} 18. h3 {[%emt 0:59:03]} Nxh3+ {[%emt 0:00:00]} 19. gxh3 {[%emt 0:00:00]} Bxf3 {[%emt 0:00:00]} 20. Ng3 {[%emt 0:00:00]} g4 {[%emt 0:00:00]} 21. Bd1 {[%emt 0:00:00]} Bxd1 {[%emt 0:00:00]} 22. Qxd1 {[%emt 0:00:00]} Qg5 {[%emt 0:00:00]} 23. hxg4 {[%emt 0:00:00]} Ng6 {[%emt 0:00:00]} 24. Nf5 {[%emt 0:00:00]} Nf4 {[%emt 0:00:00]} 25. Rg3 {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 26. Kh2 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 27. a5 {[%emt 0:00:00]} Rad8 {[%emt 0:00:00]} 28. c4 {[%emt 0:00:00]} bxc4 {[%emt 0:00:00]} 29. dxc4 {[%emt 0:00:00]} c6 {[%emt 0:07:30]} 30. Qf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 31. cxd5 {[%emt 0:00:00]} cxd5 {[%emt 0:00:00]} 32. Rh1 {[%emt 0:00:00]} Rc8 {[%emt 0:00:00]} 33. exd5 {[%emt 0:00:00]} Rc2 {[%emt 0:00:00]} 34. Qe4 {[%emt 0:00:27]} Re2 {[%emt 0:00:00]} 35. Re3 {[%emt 0:01:48]} Qxg4 {[%emt 0:00:00]} 36. Rxe2 {[%emt 0:03:00]} Qh3+ {[%emt 0:00:00]} 37. Kg1 {[%emt 0:00:39]} Nxe2+ {[%emt 0:00:00]} 38. Qxe2 {[%emt 0:00:11]} Qxf5 {[%emt 0:00:00]} 39. Qd2 {[%emt 0:03:19]} Rg8+ {[%emt 0:00:00]} 40. Kf1 {[%emt 0:00:08]} Qb1+ {[%emt 0:00:00]} 41. Qe1 {[%emt 0:01:05]} Qxe1+ {[%emt 0:00:00]} 42. Kxe1 {[%emt 0:00:35]} Rd8 {[%emt 0:00:00]} 43. Ke2 {[%emt 0:00:42]} Rxd5 {[%emt 0:00:00]} 44. b4 {[%emt 0:00:09]} Rb5 {[%emt 0:00:00]} 45. Rh4 {[%emt 0:00:13]} f5 {[%emt 0:00:00]} 46. Rc4 {[%emt 0:00:13]} Kg6 {[%emt 0:00:00]} 47. Rc5 {[%emt 0:00:38]} Rxc5 {[%emt 0:00:00]} 48. bxc5 {[%emt 0:00:15]} Kf6 {[%emt 0:00:00]} 49. Ke3 {[%emt 0:00:49]} Ke6 {[%emt 0:00:00]} 50. f4 {[%emt 0:00:16]} e4 {[%emt 0:00:00]} 51. Kd4 {[%emt 0:00:19]} h5 {[%emt 0:00:00]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.16"]
[Round "5.51"]
[White "Arvizu Borchardt, David Ivan"]
[Black "Cabrera Torres, Carlos"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "1987"]
[Annotator "NA"]
[PlyCount "69"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:31:00]} c5 {[%emt 1:31:00]} 2. Nf3 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 3. d4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:30]} 4. Nxd4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. Nc3 {[%emt 0:00:30]} a6 $14 {[%emt 0:00:30]} 6. Bg5 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 7. f4 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 8. Qf3 {[%emt 0:00:30]} Nbd7 {[%emt 0:00:30]} 9. O-O-O {[%emt 0:00:30]} Qc7 {[%emt 0:00:30]} 10. g4 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 11. Bxf6 {[%emt 0:00:30]} Nxf6 {[%emt 0:00:30]} 12. g5 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 13. f5 {[%emt 0:00:30]} Bxg5+ {[%emt 0:00:30]} 14. Kb1 {[%emt 0:00:30]} Ne5 {[%emt 0:00:30]} 15. Qh5 {[%emt 0:00:30]} Bf6 {[%emt 0:00:30]} 16. fxe6 {[%emt 0:00:30]} Bb7 {[%emt 0:00:30]} 17. Bxb5+ {[%emt 0:00:30]} Kf8 {[%emt 0:00:30]} 18. Ba4 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 19. Qh6+ {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 20. Qf4 {[%emt 0:00:30]} f6 {[%emt 0:00:30]} 21. Bb3 {[%emt 0:00:30]} Ke7 {[%emt 0:00:30]} 22. Nde2 {[%emt 0:00:30]} Rad8 {[%emt 0:00:30]} 23. Qh4 {[%emt 0:00:30]} h5 {[%emt 0:00:30]} 24. Nf4 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 25. Nfxd5+ {[%emt 0:00:30]} Bxd5 {[%emt 0:00:30]} 26. Nxd5+ {[%emt 0:00:30]} Rxd5 {[%emt 0:00:30]} 27. exd5 {[%emt 0:00:30]} Qd6 {[%emt 0:00:30]} 28. Rhe1 {[%emt 0:00:30]} g5 {[%emt 0:00:30]} 29. Qd4 {[%emt 0:00:30]} Ra8 {[%emt 0:00:30]} 30. Rf1 {[%emt 0:00:30]} g4 {[%emt 0:00:30]} 31. c4 {[%emt 0:00:30]} Nf3 {[%emt 0:00:30]} 32. c5 {[%emt 0:00:30]} Qxh2 {[%emt 0:00:30]} 33. d6+ {[%emt 0:00:30]} Kd8 {[%emt 0:00:30]} 34. e7+ {[%emt 0:00:30]} Ke8 {[%emt 0:00:30]} 35. Qa4# {[%emt 0:00:30]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.1"]
[White "Cuenca Jimenez, Jose Fernando"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2552"]
[BlackElo "2643"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,77,22,8,12,8,17,10,9,6,18,8,9,4,9,11,10,11,13,-9,0,0,0,0,1,12,18,0,21,0,0,0,3,0,0,-7,75,-6,-13,-14,-8,-64,-64,-90,-66,-66,-121,-354,-356,-295,-308,-458,-69,-451,-443,-651,-643,-628,-608,-866,-856,-29989,-575,-12834,-12834,-29989,705,-736]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bh4 O-O {7...Bf5 is the recent fashion. D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 8. e3 Bf5 9. Qb3 Bxc3+ {The position is equal.} 10. Qxc3 Nbd7 11. Be2 c6 12. Nd2 Ne4 13. Bxd8 Nxc3 14. bxc3 {Black must now prevent Bh4.} Rfxd8 15. Nf1 Rac8 16. Ng3 Bh7 17. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} c5 18. Kd2 Nf6 19. f3 {[#]} Rd6 $146 {[%cal Bd8d6,Bd6b6,Bb6a6,Ba6a2][%mdl 32]} ({Predecessor:} 19... Ne8 20. a5 Rc7 21. Ra3 Nd6 22. Rha1 Bg6 23. h4 Re8 24. h5 Bh7 25. Ra4 Kf8 {1-0 (65) Basso,P (2563)-Alekseev,E (2623) Budva 2019}) 20. a5 {Inhibits Rb6.} cxd4 21. exd4 b5 22. a6 Rb6 23. Rhc1 Rcc6 (23... Ne8 $11 {keeps the balance.}) 24. Nf1 (24. Ra5 $16) 24... Ne8 $11 25. Ne3 Nc7 26. Ra5 ({Better is} 26. Bd1 $11) 26... Rxa6 $15 27. Bxb5 Nxb5 ({Of course not} 27... Rxa5 28. Bxc6 Ra2+ 29. Kd1 $11) 28. Rxb5 {Intending Rb8+ and mate.} Ra2+ 29. Kd1 $2 (29. Nc2 $17 g5 30. Rxd5) 29... Bd3 $19 30. Rb8+ Kh7 31. Nxd5 (31. Re8 $142 Re6 32. Rxe6 fxe6 33. c4) 31... Be2+ ({Weaker is} 31... Rxg2 32. Nf4 Rg1+ 33. Kd2 Rxc1 34. Kxc1 $11) 32. Ke1 {Nb4 is the strong threat.} Bc4 $1 {[%csl LRd5,LRg2][%mdl 64] [#] Hoping for ...Re6+. Discovered Attack} 33. Nf4 {Prevents Re6+.} (33. Kd1 $142 Bxd5 34. Rc2) 33... g5 {[%cal Bg7g5,Bg5f4][%mdl 32]} 34. d5 Rc5 35. Re8 {[%cal Od5d6]} gxf4 36. d6 Be6 (36... Rh5 $142 37. Kd1 Rxh2 38. Rc2 Ra1+ 39. Rc1 Bb3+ 40. Kd2 Rxg2+ 41. Kd3 Rxc1 42. d7 Rd1+ 43. Ke4 Rxd7 44. Rb8 Bd5+ 45. Kxf4 Rf2 46. Kg3 Rxf3+ 47. Kh2 Bb7 48. Rf8 Rd2+ 49. Kg1 Rf5 50. Rh8+ Kxh8 51. c4 Rg2+ 52. Kh1 Rh5#) 37. c4 {[%cal Oe8e6] Strongly threatening Rxe6!} Re5+ 38. Kd1 Rc5 $4 {[%mdl 8192] [#]} (38... Ree2 39. Ra1 Rad2+ 40. Kc1 Rc2+ 41. Kd1 Red2+ 42. Ke1 Rxg2 43. Kd1 Rb2 44. Rxe6 fxe6 45. Rxa7+ Kg6 46. Rg7+ Kxg7 47. Kc1 Rbf2 48. h4 Rg1#) 39. Ke1 $4 {[%mdl 8192] Weighted Error Value: White=1.05/Black=0.26 (precise)} (39. Rxe6 $1 $18 {[%mdl 512]} fxe6 (39... Rg5 40. d7) 40. d7) 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.2"]
[White "Santos Latasa, Jaime"]
[Black "Obregon Rivero, Juan Carlos"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2640"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,123,25,29,33,36,36,25,58,33,29,41,53,53,81,66,72,75,67,58,89,81,98,72,117,119,197,166,170,144,207,165,177,179,179,174,272,230,294,296,346,341,392,370,405,405,388,399,415,409,387,285,246,281,359,310,336,318,293,292,489,481,460,411,553,570,567,538,546,538,538,454,914,434,1678,0,977,675,973,787,1778,1678,2133,6250,5089,2626,29968,29969,29969,29970,29969,29970,29968,29971,29969,29972,29974,29975,29975,29976,29977,29978,29977,29979,29980,29981,29981,29982,29982,29983,29983,29984]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be3 d6 6. h3 c5 7. d5 Qa5 8. Bd2 e6 {E71: King's Indian: 4 e4 d6 5 h3.} 9. Nf3 exd5 10. exd5 Bf5 {White has an edge.} 11. Be2 (11. g4 $5 {[%cal Rg4f5]} Bd7 12. Bd3 $14) 11... Qb6 12. g4 Be4 {[#]} 13. O-O $146 {Ng5 is the strong threat.} ({Predecessor:} 13. g5 Bxf3 14. Bxf3 Re8+ 15. Kf1 Nfd7 16. h4 Na6 17. h5 Re7 18. Qc2 Rae8 19. a3 {1-0 (46) Drazic,S (2486)-Aguera Naredo,J (2353) Pula 2011}) 13... Bxf3 14. Bxf3 Nbd7 15. Qc2 Ne8 16. Be2 Qd8 {Black is on the road to losing.} 17. Kg2 {White is more active.} a6 18. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} f5 (18... Bd4 $142) 19. f4 $1 $16 Nc7 (19... Bd4 $16) 20. a5 Bd4 21. Bf3 Rb8 (21... Bxc3 $16 22. Bxc3 fxg4) 22. Rae1 b5 23. axb6 $1 Rxb6 24. b3 Qb8 (24... Rb8 {was worth a try.} 25. gxf5 gxf5) 25. Bd1 (25. Re7 Qc8 $16) 25... Qc8 26. Ne2 fxg4 27. hxg4 Bg7 28. Ng3 a5 29. Bxa5 Ra6 30. Bc3 Bxc3 31. Qxc3 Ra2+ 32. Re2 Rxe2+ 33. Bxe2 ({Weaker is} 33. Nxe2 Nf6 $16) 33... Nf6 34. g5 Nfe8 35. Ne4 Qd7 36. Qe3 Ng7 $2 (36... Rf7 {was necessary.} 37. Kg3 Qe7) 37. Nf6+ $18 Rxf6 38. gxf6 Nf5 39. Qh3 Ne8 40. Bd3 Nxf6 41. Bxf5 gxf5 {[%mdl 4096] Endgame KQR-KQN} 42. Qh6 Kf7 (42... Qe8 $142 43. Qg5+ (43. Qxf6 Qe2+ 44. Kg3 Qg4+ 45. Kf2 Qxf4+ 46. Kg1 Qg4+ 47. Kf2 Qf4+ 48. Kg2 Qg4+ 49. Kf2 Qf4+ $11) 43... Qg6 44. Qxg6+ hxg6) 43. Qg5 (43. Re1 $142) 43... h6 (43... Ne4 $142 44. Qh6 Kg8) 44. Qxh6 {Threatening mate with Kh3.} Qe7 $2 {[%mdl 8192]} (44... Qe8 $11) 45. Qh3 $1 Qe4+ {[#]} 46. Qf3 $1 {Threatens to win with Qxe4.} Qc2+ 47. Rf2 Qb1 48. Re2 Qa1 49. Qd3 Ne4 50. Qh3 {White mates.} Kg6 51. Kh2 Nf6 52. Rg2+ Ng4+ 53. Rxg4+ fxg4 54. Qxg4+ {KQ-KQ} Kf6 55. Qe6+ Kg7 56. Qxd6 Qb2+ 57. Kg3 Qxb3+ 58. Kg4 Qxc4 59. Qe7+ Kg8 60. d6 Qf7 61. Qxf7+ Kxf7 {[#]} 62. f5 $1 {Weighted Error Value: White=0.22 (precise) /Black=0.31} ({Inferior is} 62. d7 Ke7 $11) 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.3"]
[White "Vazquez, Guillermo"]
[Black "Meier, Georg"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2545"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,31,12,11,0,0,0,10,0,19,19,19,21,20,18,23,21,21,15,23,26]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nf6 6. Nge2 O-O 7. O-O c6 8. a3 {C01: French: Exchange Variation.} Bd6 9. Bf4 Bg4 {[#] ...Bxf4 is the strong threat.} 10. Qd2 {The position is equal.} Bxe2 11. Nxe2 Bxf4 12. Nxf4 {[#]} Qd6 $146 ({Predecessor:} 12... Nbd7 13. c3 Re8 14. Rfe1 Qc7 15. g3 g6 16. f3 Rxe1+ 17. Rxe1 Re8 18. Rxe8+ Nxe8 19. Kg2 Qd6 {½-½ (19) Jaeger,F (2001)-Van der Plas,R (2322) ICCF email 2016}) 13. g3 Nbd7 14. Rfe1 Rfe8 15. f3 h6 16. Kg2 {An uneventful encounter.  Weighted Error Value: White=0.05 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.4"]
[White "Cori, Jorge"]
[Black "Quesada Perez, Luis Ernesto"]
[Result "1-0"]
[ECO "D44"]
[WhiteElo "2650"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 36,138,61,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,84,83,340,330,337,313,302,315,318,252,284,43,53,0,233,0,0,0,225,42,214,152,264,0,747,747,747,740,774,60,58,69,1680,935,12841,12841,12842,12838,12838,12839,12839,12839,12840,12840,12841,12837,12836,12838,12838,12839,12839,12839,12842,12839,12840,12840,12841,12841,12839,12839,12841,12841,12841,12842,12842,12843,12843,12843,12844,12843,12844,12844,12845,12845,12845,12845,12846]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 {[%cal Be2e4,Be4e5][%mdl 32]} b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. g3 c5 13. d5 Qb6 14. Bg2 O-O-O 15. O-O b4 16. Na4 Qb5 17. a3 Nb8 {[%cal Bd7b8,Bb8c6,Bc6e5,Be5d3][%mdl 32]} 18. axb4 cxb4 19. Be3 (19. Qg4 $14 Bxd5 20. Rfc1) 19... Bxd5 $11 {D44: Semi-Slav: Botvinnik System.} 20. Bxd5 Rxd5 21. Qe2 {aiming for Rfc1.} Nc6 {The position is equal.} 22. Rfc1 Ne5 23. f4 Nd3 24. Rxc4+ Qxc4 25. Rc1 $1 {[%mdl 64] Decoy} Qxc1+ 26. Bxc1 Nxc1 27. Qc4+ Kb8 $1 {And now ...Nd3 would win.} 28. Qxc1 Bd6 {...Rc8 is the strong threat.} 29. Qc2 Rc8 30. Qe2 Rd8 $1 31. Qa6 {[#]} Rd2 $146 (31... Rc8 $11 {remains equal.} 32. Qe2 Rd8) ({Predecessor:} 31... Rc8 32. Kg2 Rc2+ 33. Kh3 Rh5+ 34. Kg4 Rd5 35. h4 Bc7 36. Qf1 e5 37. Qf3 Rcd2 38. Qb3 {½-½ (38) Ghosh,A (2249)-Prati,A (2177) ICCF email 2018}) 32. Qb5+ $16 Kc8 $2 {[%mdl 8192]} (32... Ka8 $16) 33. Nc5 $18 {The board is on fire.} Bxc5+ 34. Qxc5+ {[%mdl 4096] Endgame KQ-KRR} Kb7 35. Qxb4+ Kc7 36. Qa5+ Kb7 37. g4 $2 (37. f5 $18 exf5 38. Qb5+ (38. Qxf5 Rxb2 39. Qf3+ Kb6 $11) 38... Kc7 39. Qc4+ (39. Qxf5 Kb6 $16) 39... Kd6 40. Qb4+ Kc7 41. Qc4+ Kd6 42. Qxf7) 37... R8d5 $1 $14 (37... Rd1+ $2 38. Kf2 $16) 38. Qb4+ (38. Qa3 $14) 38... Kc7 $2 (38... Kc6 $11) 39. Qe7+ $2 (39. Qc3+ $1 $18 Kb6 40. Qb4+ Kc6 41. Qa3) 39... Kb6 $11 40. Qb4+ (40. Qa3 $11) 40... Kc7 $1 $18 41. f5 $2 (41. Qc3+ $1 $18 Kb6 42. Qb4+ Kc6 43. g5) 41... Rc2 $2 ({Black should try} 41... exf5 $14 42. Qe7+ Rd7 43. Qc5+ Kb7 44. Qb5+ (44. Qxf5 Kb6 $16) 44... Kc7) 42. Qe1 exf5 {[#]} (42... Rcd2 $16 {was necessary.} 43. Qg3+ (43. fxe6 $2 Rd1 $19) 43... e5 44. Qc3+ Kb6) 43. g5 $1 {[%cal Bg4g5,Bg5g6][%mdl 32] Strongly threatening g6!} f4 $2 {[%mdl 8192] [#]} (43... Rdd2 $11) 44. g6 $1 f3 45. Qg3+ Kd7 46. Qxf3 $2 (46. Qg4+ $18 Kc7 47. Qxf3 Rg5+ 48. Kf1 Rxg6 49. Qf4+ Kb7 50. Qb4+ (50. Qe4+ Rc6 $11) 50... Kc7 51. Qe7+ Kb8 52. Qxf7) 46... Rg5+ $14 47. Kf1 Rc1+ $2 {[%mdl 8192] Black is now going downhill.} (47... Rcc5 $14 48. gxf7 Rcf5) 48. Ke2 {White is clearly winning.} Rc2+ 49. Kd3 Rxb2 50. Kc3 Rb8 51. gxf7 Rc5+ 52. Kd4 Rcc8 53. Qd5+ Kc7 54. Kc5 {Intending Qc6+ and mate.} Rb6 {To avoid Qc6+} 55. Qf5 Rc6+ 56. Kd4 Rd6+ 57. Ke5 Rdd8 58. Qc2+ Kb6 59. Qb3+ Kc6 60. Qa4+ Kb6 61. Qb4+ Ka6 62. h4 Rb8 63. Qa3+ Kb6 64. Kf5 a5 65. Kg6 Ra8 66. Qa4 Kc5 67. Kg7 Kd6 68. h5 {[%cal Bh4h5,Bh5h6][%mdl 32]} Ke5 69. h6 Kd5 {Weighted Error Value: White=0.61/Black=0.50} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.5"]
[White "Diaz Perez, Michel Alejandro"]
[Black "Fier, Alexandr"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2459"]
[BlackElo "2583"]
[Annotator "RC"]
[PlyCount "50"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:21]} Nf6 {[%emt 0:00:11]} 2. c4 {[%emt 0:00:04]} c5 {[%emt 0:00:05]} 3. e3 {[%emt 0:00:10]} cxd4 {[%emt 0:01:40]} 4. exd4 {[%emt 0:00:03]} d5 {[%emt 0:00:26]} 5. Nc3 {[%emt 0:01:01]} g6 {[%emt 0:00:56]} 6. Qb3 {[%emt 0:03:37]} Bg7 {[%emt 0:00:09]} 7. cxd5 {[%emt 0:00:10]} O-O {[%emt 0:00:05]} 8. Be2 {[%emt 0:02:53]} Na6 {[%emt 0:01:02]} 9. Bf3 {[%emt 0:02:09]} Qb6 {[%emt 0:00:10]} 10. Nge2 {[%emt 0:01:48]} Bf5 {[%emt 0:00:32]} 11. O-O {[%emt 0:04:08]} Rad8 {[%emt 0:06:57]} 12. Bf4 {[%emt 0:05:35]} Rd7 {[%emt 0:07:26]} 13. Be5 {[%emt 0:19:12]} Bd3 {[%emt 0:03:16]} 14. Rfc1 {[%emt 0:04:04]} Bxe2 {[%emt 0:09:56]} 15. Bxe2 {[%emt 0:00:58]} Nxd5 {[%emt 0:02:32]} 16. Nxd5 {[%emt 0:07:28]} Qxb3 {[%emt 0:00:03]} 17. Nxe7+ {[%emt 0:09:24]} Rxe7 {[%emt 0:00:06]} 18. axb3 {[%emt 0:00:01]} Bxe5 {[%emt 0:00:07]} 19. dxe5 {[%emt 0:00:10]} Rxe5 {[%emt 0:00:44]} 20. Bxa6 {[%emt 0:00:06]} bxa6 {[%emt 0:00:02]} 21. Rxa6 {[%emt 0:00:08]} Rb8 {[%emt 0:01:28]} 22. Rxa7 {[%emt 0:04:24]} Rxb3 {[%emt 0:00:14]} 23. Ra2 {[%emt 0:00:53]} Re2 {[%emt 0:00:04]} 24. Kf1 {[%emt 0:00:11]} Rexb2 {[%emt 0:00:05]} 25. Rxb2 {[%emt 0:00:05]} Rxb2 {[%emt 0:00:03]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.6"]
[White "Alonso Rosell, Alvar"]
[Black "Sanchez Alvarez, Roberto Carlos"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2570"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,66,20,25,25,12,21,16,14,14,16,16,9,17,12,18,18,18,12,12,10,12,12,17,10,13,0,6,0,4,6,7,5,8,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 c5 6. O-O Nc6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 O-O 11. Nb3 Be7 12. c4 Bd7 13. Bb2 {E04: Open Catalan: 5 Nf3.} Rfd8 14. Nfd4 {The position is equal.} Rac8 15. Nb5 b6 16. Nd6 Bxd6 17. Rxd6 Be8 18. Rxd8 Nxd8 19. Rc1 Bc6 20. c5 Bxg2 21. Kxg2 Nd7 {[%cal Rd7c5]} 22. cxb6 Rxc1 {[#]} 23. Nxc1 $146 ({Predecessor:} 23. Bxc1 axb6 24. Kf3 Nc6 25. Ke3 Kf8 26. Nd4 Nxd4 27. Kxd4 Ke7 28. Kc4 Kd6 29. Kb5 {1-0 (39) Giri,A (2776)-So,W (2760) Bucharest 2019}) 23... axb6 $11 {[%mdl 4096] Endgame KBN-KNN} 24. Nd3 Nc6 25. Kf3 f6 {[%cal Bf7f6,Bf6f5][%mdl 32]} 26. Ke4 b5 27. Bc3 Kf7 28. g4 g6 29. f3 Nb6 {[#] Strongly threatening ...Nd5.} 30. Nb4 {Prevents Nd5.} f5+ 31. Kd3 Nxb4+ 32. Bxb4 {gxf5 is the strong threat.} e5 33. Ba5 Nd5 {An uneventful encounter.  Weighted Error Value: White=0.02 (flawless) /Black=0.01 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.7"]
[White "Berdayes Ason, Dylan Isidro"]
[Black "Albornoz Cabrera, Carlos Daniel"]
[Result "1/2-1/2"]
[ECO "E24"]
[WhiteElo "2445"]
[BlackElo "2567"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,87,-20,-14,-32,-33,-45,-34,-87,-31,-51,20,24,38,20,49,40,39,0,0,0,0,0,0,-35,46,45,55,45,57,43,66,54,74,43,85,26,83,75,86,82,77,54,65,45,57,57,57,43,58,0,58,55,51,30,43,38,56,49,47,33,39,35,60,52,60,52,53,52,52,52,60,53,60,60,82,63]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 Nc6 7. e4 d6 8. d5 {E24: Nimzo-Indian: Sämisch: Unusual Black 5th moves and 5...c5 sidelines.} Na5 9. Bd3 b6 {[#]} 10. Ne2 $146 (10. Bg5 $15) ({Predecessor:} 10. Nh3 exd5 11. cxd5 Bxh3 12. gxh3 c4 13. Bc2 Nd7 14. O-O O-O 15. Bf4 Qf6 16. Bg3 {½-½ (26) Tyulenko,Y (2453)-Morozov,D (2492) ICCF email 2019}) 10... Qe7 (10... O-O $17) 11. O-O e5 (11... O-O $15) 12. Rb1 $11 Bd7 13. Ng3 h6 14. f4 O-O-O 15. fxe5 dxe5 16. Qf3 {[%cal Oa3a4]} Rdf8 17. Nf5 Bxf5 18. Qxf5+ Kc7 (18... Kd8 $1 $15) 19. Be3 $14 Nd7 20. Qg4 $36 {[%mdl 2048] White has good play.} f6 21. Qe2 Qd6 22. Bc2 g6 23. Rf3 {White is more active.} h5 24. Rbf1 (24. Rf2 $16) 24... Rf7 (24... Nb7 $11) 25. R1f2 Nf8 26. Qf1 {[%cal Rf3f6]} Nh7 27. Rg3 Rg8 28. Bd1 {[%cal Od1h5] [#] Bxh5! is the strong threat.} Qf8 29. Rgf3 Nb7 30. a4 Na5 31. Rb2 ({White should try} 31. Be2 $14) 31... Qd6 (31... f5 $1 $11) 32. Rb5 {[%cal Oe3c5] And now Bxc5! would win.} Nf8 33. Rg3 {[%cal Od1h5]} ({Not} 33. Bxc5 bxc5 34. Rxa5 a6 $17) 33... Rh7 34. Be2 ({Avoid the trap} 34. Bxc5 $2 bxc5 35. Rxa5 a6 $19) 34... Nd7 35. Rf3 Rf7 36. Rb2 Qf8 37. Bd3 Qd6 38. Rbf2 Rff8 39. Bh6 Rf7 {[#]} 40. Bg5 $1 {[%cal Rg5f6] A strong pair of Bishops.} Rgf8 41. h3 Kd8 42. Bh6 Rh8 43. Be3 Ke7 44. Rg3 {Weighted Error Value: White=0.13 (very precise) /Black=0.16 (very precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.8"]
[White "Gonzalez Zamora, Juan Carlos"]
[Black "Valdes Romero, Leonardo"]
[Result "1/2-1/2"]
[ECO "A67"]
[WhiteElo "2544"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,66,46,23,52,13,29,-18,0,-54,11,-19,20,21,27,32,22,40,69,65,64,66,111,61,94,0,0,0,0,0,0,-50,-47,-67,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29998,0]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. Nf3 O-O {A67: Modern Benoni: Taimanov Variation.} 10. O-O a6 11. Bxd7 (11. Ba4 $142) 11... Nxd7 $11 {The position is equal.} 12. f5 (12. a4 $1 $11) 12... Ne5 {[#]} ({Black should play} 12... b5 $15) 13. Kh1 $146 ({Predecessor:} 13. Bf4 Nxf3+ 14. Qxf3 b5 15. Qg3 b4 16. Ne2 Bxb2 17. Rab1 Be5 18. Bxe5 dxe5 19. f6 {1-0 (36) Li,W (2198)-Lauridsen,J (2225) Chess.com INT 2020}) 13... b5 14. Bg5 f6 15. Nxe5 fxg5 16. Nc6 Qe8 {[%cal Rg6f5]} 17. Qd2 Bd7 ({Not} 17... b4 18. Na4 $16) 18. fxg6 {White is much more active.} ({Of course not} 18. Qxg5 Bf6 19. Qh6 Bg7 $11) 18... b4 {[#]} (18... Rxf1+ $14 19. Rxf1 b4) 19. Rxf8+ $1 $16 Bxf8 20. gxh7+ (20. Na4 $16 {Nb6 is the strong threat.} Bxc6 21. dxc6 Qxc6 {[#]} 22. Nb6 $1 {[%mdl 512]} (22. Qxg5 h6 $11)) 20... Kxh7 $11 21. Ne2 {And now Rf1 would win. Pair of Knights!} Qxe4 22. Ng3 Qg6 23. Qe2 (23. a3 $11) 23... Re8 $15 {[%cal Ba8e8,Be8e3,Be3e2,Be2g2][%mdl 32]} 24. Qxa6 {Threatens to win with Qa7.} Bg7 (24... Bf5 $15) 25. Rf1 $11 Re3 {White must now prevent ...Qd3.} 26. Qb7 Bg4 27. b3 Be2 28. Nxe2 Rxe2 29. Qd7 g4 30. Rg1 Qe4 $40 {[%mdl 128] White needs to defend precisely.} 31. Qxd6 Rxg2 32. Qe6 Qf3 33. Qd6 $2 {[%mdl 8192]} (33. Rxg2 $11 Qf1+ 34. Rg1 Qf3+ 35. Rg2 Qf1+ 36. Rg1 Qf3+ 37. Rg2) 33... Bf8 $2 {Weighted Error Value: White=0.39/Black=0.15 (very precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.9"]
[White "Almeida Quintana, Omar"]
[Black "Dominguez Aguilar, Guillermo"]
[Result "1-0"]
[ECO "A70"]
[WhiteElo "2535"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,41,61,60,46,55,46,46,51,74,91,272,278,276,269,760,243,364,-793]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. h3 c5 7. d5 a6 8. a4 e6 9. Bd3 exd5 10. cxd5 Re8 11. O-O Nbd7 12. Bf4 Qc7 13. Re1 Rb8 14. Rc1 {[%cal Ob2b4] A70: Modern Benoni: 6 e4 g6 7 Nf3.} Nh5 15. Bh2 Bh6 16. Rc2 {White is slightly better.} Nf4 17. Bf1 {Hoping for g3.} g5 $2 {[#] A mistake that costs the game.} (17... Qd8 $16) 18. Nxg5 $1 $18 {[%mdl 512]} Bxg5 19. Bxf4 ({Don't do} 19. Qg4 $6 f6 $16) 19... Ne5 $2 (19... Bxf4 20. Qg4+ Kh8) 20. Bh2 $2 (20. Bxg5 f6 21. Bxf6) 20... Bh6 {[#]} (20... Bh4 $142 21. Qh5 Qd8) 21. Qf3 $146 {[%mdl 40960] Weighted Error Value: White=0.62/Black=0.57. Loss on time!?} ({Predecessor:} 21. f4 Ng6 22. f5 Ne5 23. Rf2 f6 24. Qh5 Nf7 25. e5 dxe5 26. d6 Qd7 27. Bc4 {1-0 (38) Ionescu,M (2331)-Ciochina,C Baile Tusnad 2000}) 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.10"]
[White "Sandoval Mercado, Carlos"]
[Black "Cordova, Emilio"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "2289"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,106,19,24,16,63,63,70,42,72,63,70,51,47,44,56,46,116,0,19,-18,-20,-22,0,0,8,0,0,0,0,-3,0,0,22,0,20,27,20,18,61,49,35,42,67,53,247,247,244,83,92,82,83,-146,-142,-1434,-1203,-1340,-1406,-1346,-402,-1644,-1664,-29958,-29955,-29963,-29964,-29960,-29961,-29975,-29977,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-29982,-29983,-29984,-29985,-29986,-29986,-29987,-29987,-29988,-29988,-29989,-29989,-29990,-29990,-29991]} 1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. Nc3 d6 7. O-O c6 {is cutting edge theory.} 8. Qb3 Na6 9. Re1 {A88: Dutch Defence: Leningrad System: 5 Nf3 0-0 6 0-0 d6 7 Nc3 c6.} Kh8 (9... Qb6 $11) 10. e4 $14 fxe4 11. Nxe4 {White is slightly better.} Nxe4 12. Rxe4 e5 13. Bg5 (13. dxe5 $2 Nc5 14. Qe3 Nxe4 15. Qxe4 dxe5 $19) 13... Qc7 {[#]} 14. c5 $146 {And now cxd6 would win.} ({Predecessor:} 14. Rae1 Bf5 15. Rh4 exd4 16. Nxd4 Nc5 17. Qd1 Be5 18. Bh6 Rf7 19. Nxf5 gxf5 20. b4 {0-1 (38) Klekowski,M (2402)-Bernadskiy,V (2561) Krakow 2013}) 14... d5 15. Rxe5 Nxc5 {[#]} (15... Bxe5 $14 16. Nxe5 Nxc5 $1) 16. Qa3 (16. dxc5 $1 $16 Bxe5 17. Re1 Rxf3 18. Qxf3) 16... Ne4 17. Bf4 Qd8 18. Ng5 {[#]} Rxf4 19. gxf4 {Black must now prevent Nf7+.} Nxg5 20. Rxg5 Bxd4 21. Re1 Bf5 {This bishop pair is nice.} 22. Re7 $40 {[%mdl 128] Black needs to defend precisely.} Qf8 23. Rg3 Re8 {[#]} 24. Re2 Qf7 (24... Kg7 25. Qxf8+) 25. Rxe8+ Qxe8 26. Kf1 {To avoid Qe1+} h5 (26... Kg7 $11 {should be considered.}) 27. Bh3 $1 {Bxf5 is the strong threat.} (27. Qb4 c5 28. Qb3 (28. Qxb7 Bc8 $11) 28... h4 $11) 27... Be4 28. f5 c5 (28... Bxf5 $2 29. Bxf5 gxf5 30. Qd6 $18) 29. Rxg6 {Threatens to win with Qg3.} Qb5+ $2 (29... Qe5 $1 $14 30. Qg3 (30. Qxa7 Bd3+ 31. Kg2 Qe4+ 32. f3 Qe2+ 33. Kh1 Qe1+) 30... Qxg3 31. hxg3 Bxb2) 30. Kg1 $1 $18 (30. Ke1 Bxb2 31. Rh6+ Kg8 32. Qg3+ Bg7 33. Qb8+ Kf7 34. Qc7+ Kf8 35. Qc8+ (35. Qd6+ Kg8 $11) 35... Kf7 36. Qe6+ (36. Qc7+ Kg8 $11) 36... Kf8 37. Qd6+ Kg8 38. Qd8+ Kf7 39. Qc7+ Kg8 40. Qd8+ Kf7 41. Qc7+ $11) 30... h4 {( -> ...Qe2)} (30... Qe2 31. Rh6+ Kg8 32. Qg3+ Bg7 33. Qb8+ Kf7 34. Qxb7+ Kg8 35. Qc8+ Kf7 36. Rg6 Qxb2 37. Qe6+ Kf8 38. f6 $1 {[%mdl 512]} Qa1+ 39. Bf1 Qxf6 40. Rxf6+ $18) 31. Bf1 {To avoid Qe2} ({Stronger than} 31. Qxa7 Bxf2+ 32. Kxf2 Qxb2+ 33. Ke3 (33. Kg1 {gets mated.} Qc1+ 34. Kf2 Qd2+ 35. Kf1 Bd3+ 36. Kg1 Qe1+ 37. Kg2 Qf1#) 33... Qc1+ 34. Ke2 Qc2+ 35. Ke3 (35. Kf1 {is a self mate.} Qd1+ 36. Kf2 Qd2+ 37. Kf1 Bd3+ 38. Kg1 Qe1+ 39. Kg2 Qf1#) 35... Qc1+ 36. Ke2 Qc2+ 37. Ke3 (37. Kf1 Qd1+ 38. Kf2 Qd2+ 39. Kf1 Bd3+ 40. Kg1 Qe1+ 41. Kg2 Qf1#) 37... Qc1+ $11) (31. Rg4 $18 {is more deadly.} Qd3 32. Qxd3 (32. Rxh4+ Kg7 $18) 32... Bxd3 33. b3 (33. Rxh4+ Kg7 $18)) 31... Qxb2 $16 32. Qxb2 Bxb2 {[%mdl 4096] Endgame [#] KRB-KB} 33. Rd6 $2 (33. Bg2 $1 $16 {[%cal Rg2e4] and life is bright. Hoping for Bxe4.} Bd3 34. Bxd5) 33... c4 $17 {Strongly threatening ...c3. White is on the road to losing.} 34. Bg2 $2 {[%mdl 8192]} (34. f3 $17 Bxf3 35. Kf2) 34... Bxg2 $19 35. Kxg2 {KR-KB} c3 36. Rd8+ Kg7 37. Rc8 (37. Rxd5 $142 c2 38. Rc5) 37... d4 {[%cal Bd5d4,Bd4d3][%mdl 32] aiming for ...d3.} 38. Kf3 d3 {Black mates.} 39. Ke3 c2 40. Kd2 Kf6 41. a4 Kxf5 42. Rc4 b6 43. h3 c1=Q+ 44. Rxc1 Bxc1+ 45. Kxc1 {KP-KP} Kf4 46. Kd2 Kf3 47. Kxd3 Kxf2 {K3P-KPP} 48. Kc4 Kg3 49. Kb5 Kxh3 50. Ka6 Kg4 51. Kxa7 h3 52. Kxb6 h2 53. a5 h1=Q {Weighted Error Value: White=0.51/Black=0.16 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.11"]
[White "Martin Del Campo Cardenas, Roberto Abel"]
[Black "Henderson de La Fuente, Lance"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2250"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,124,19,0,0,0,0,-29,9,-50,-43,-43,-43,-51,-56,-57,0,-34,-37,-31,-8,-12,-3,0,-2,7,2,14,11,14,11,13,12,0,0,0,0,-11,0,0,0,0,0,-6,0,0,0,-8,0,-8,-8,-8,-8,-8,0,0,0,-18,-8,-8,-8,-8,-8,-8,0,-126,-126,-126,-94,-94,-77,-77,-77,-77,0,0,0,0,0,0,0,0,0,-77,-77,-77,-77,-77,-34,-94,-77,-77,-77,-126,-126,-126,-126,-126,-126,-126,-126,-126,-126,-126,-126,-126,-126,-126,-126,-29975,-29974,-29984,-29985]} 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. c4 Ngf6 8. Nc3 Bxf3 $1 {The main line 8...Bxf3 scores better than 8...Be7. C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 9. Qxf3 c5 10. Be3 Qb6 {[%csl LRb2,LRd4] Black has an edge.} 11. Ne2 ({Avoid the trap} 11. Nb5 $2 a6 12. b4 (12. dxc5 $2 Bxc5 13. Bxc5 Nxc5 $19) 12... axb5 $19) ({White should try} 11. d5 $1 $11) 11... cxd4 $15 ({But not} 11... Qb4+ 12. Bd2 Qb6 13. Bc3 $11) 12. Bxd4 Bb4+ 13. Kf1 Bc5 14. Bc3 {[%cal Ob2b4] [#]} Bb4 $146 {...Bxc3 is the strong threat.} ({Predecessor:} 14... a5 15. Rd1 Rd8 16. g4 Bb4 17. Bd4 Bc5 18. Bc3 {½-½ (20) Rowley,L (2309)-Kubasky,A (2329) ICCF email 2000}) 15. Bd4 {This bishop pair is nice.} Qc7 16. g3 O-O 17. Kg2 Rad8 18. Rhd1 (18. Bxa7 $2 Ne5 19. Bxh7+ Kxh7 $19) 18... e5 19. Bc3 ({Don't go for} 19. Bxa7 $2 b6 20. a3 Be7 21. Bxb6 Nxb6 $19) 19... Bxc3 20. Nxc3 Nc5 21. Bf5 a5 22. Rxd8 Rxd8 23. Rd1 Rxd1 24. Qxd1 g6 25. Bh3 Qc6+ 26. Kg1 Kg7 27. Bg2 Qe6 28. Nd5 b6 29. b3 Nxd5 30. Bxd5 Qf5 31. a3 Qd3 32. Qxd3 Nxd3 $11 {[%mdl 4096] Endgame KB-KN} 33. Be4 Nc5 {[%csl LRb3,LRe4]} 34. Bc2 f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 35. Kf1 Kf6 36. f3 Ne6 37. Kf2 Nd4 38. Bd1 f4 39. g4 (39. gxf4 $1 $11 exf4 40. Ke1) 39... g5 $17 {Black is more active.} 40. b4 axb4 41. axb4 e4 42. fxe4 Ke5 43. c5 bxc5 44. bxc5 Ne6 45. c6 Kd6 46. Bb3 Nd4 47. Bg8 h6 48. e5+ (48. Bd5 $11) 48... Kxc6 49. h3 Kc5 50. Ba2 Nc6 (50... Kb5 $17) 51. Kf3 (51. e6 $15) 51... Kd4 52. e6 Ke5 53. Bb1 (53. Kf2 $142) 53... Nd4+ 54. Kf2 {[#] Threatening mate with e7.} Kxe6 55. Be4 Ke5 56. Ba8 Ne6 57. Bb7 Kd4 58. Ba8 Kd3 59. Bb7 Kd2 {aiming for ...Nc5.} 60. Ba8 Nc5 {White must now prevent ...Nd3+.} 61. Bc6 $2 {[%mdl 8192] [#]} (61. Kf3 $17) 61... Nd3+ 62. Kf3 Ne5+ {Weighted Error Value: White=0.28 (precise) /Black=0.05 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.12"]
[White "Rodriguez Vila, Andres"]
[Black "Perez Rodriguez, Luis Manuel"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2461"]
[BlackElo "2324"]
[Annotator "ChessBase"]
[PlyCount "115"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:05]} e5 {[%emt 0:00:27]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:03]} 3. Bc4 {[%emt 0:00:04]} Nf6 {[%emt 0:01:12]} 4. Ng5 {[%emt 0:00:32]} d5 {[%emt 0:00:43]} 5. exd5 {[%emt 0:00:05]} Na5 {[%emt 0:00:03]} 6. Bb5+ {[%emt 0:00:07]} c6 {[%emt 0:02:47]} 7. dxc6 {[%emt 0:00:36]} bxc6 {[%emt 0:00:07]} 8. Bd3 {[%emt 0:00:06]} Nd5 {[%emt 0:02:22]} 9. Nf3 {[%emt 0:00:07]} Bd6 {[%emt 0:03:06]} 10. O-O {[%emt 0:00:08]} O-O {[%emt 0:00:14]} 11. Re1 {[%emt 0:00:12]} Bg4 {[%emt 0:06:44]} 12. h3 {[%emt 0:02:41]} Bh5 {[%emt 0:00:50]} 13. g4 {[%emt 0:07:55]} Bg6 {[%emt 0:00:26]} 14. Bxg6 {[%emt 0:00:05]} fxg6 {[%emt 0:04:08]} 15. d4 {[%emt 0:00:25]} exd4 {[%emt 0:05:27]} 16. Nbd2 {[%emt 0:03:45]} Nf4 {[%emt 0:06:00]} 17. Ne4 {[%emt 0:00:11]} Nxh3+ {[%emt 0:05:09]} 18. Kg2 {[%emt 0:05:35]} Nf4+ {[%emt 0:00:30]} 19. Bxf4 {[%emt 0:00:05]} Rxf4 {[%emt 0:00:27]} 20. Nfg5 {[%emt 0:01:30]} Qd7 {[%emt 0:08:02]} 21. f3 {[%emt 0:01:04]} c5 {[%emt 0:02:46]} 22. Nxd6 {[%emt 0:06:39]} Qxd6 {[%emt 0:00:28]} 23. Qe2 {[%emt 0:00:07]} Qd5 {[%emt 0:06:47]} 24. Qe6+ {[%emt 0:09:47]} Qxe6 {[%emt 0:00:07]} 25. Nxe6 {[%emt 0:00:03]} Rf7 {[%emt 0:02:07]} 26. b3 {[%emt 0:00:32]} Rc8 {[%emt 0:09:14]} 27. Re5 {[%emt 0:02:20]} Nb7 {[%emt 0:00:09]} 28. Ng5 {[%emt 0:01:30]} Rf6 {[%emt 0:09:51]} 29. Rae1 {[%emt 0:05:52]} Nd6 {[%emt 0:06:49]} 30. Rd5 {[%emt 0:01:35]} h6 {[%emt 0:01:25]} 31. Re6 {[%emt 0:02:49]} Ne8 {[%emt 0:01:54]} 32. Rde5 {[%emt 0:11:28]} Nc7 {[%emt 0:02:27]} 33. Rxc5 {[%emt 0:00:38]} hxg5 {[%emt 0:00:07]} 34. Re7 {[%emt 0:00:32]} Rf7 {[%emt 0:00:41]} 35. Rxf7 {[%emt 0:00:05]} Kxf7 {[%emt 0:00:04]} 36. Kg3 {[%emt 0:03:14]} Ke7 {[%emt 0:01:09]} 37. Rc4 {[%emt 0:00:05]} a5 {[%emt 0:02:22]} 38. a4 {[%emt 0:01:03]} Ke6 {[%emt 0:01:02]} 39. Kf2 {[%emt 0:02:12]} Kd6 {[%emt 0:01:00]} 40. Rxd4+ {[%emt 0:00:04]} Kc6 {[%emt 0:00:02]} 41. Rc4+ {[%emt 0:00:38]} Kb6 {[%emt 0:00:56]} 42. c3 {[%emt 0:02:30]} Rd8 {[%emt 0:03:08]} 43. b4 {[%emt 0:00:10]} Ne6 {[%emt 0:02:35]} 44. Ke3 {[%emt 0:03:17]} Rf8 {[%emt 0:02:05]} 45. Re4 {[%emt 0:00:31]} Nc7 {[%emt 0:01:01]} 46. Rd4 {[%emt 0:01:29]} Rf6 {[%emt 0:00:41]} 47. Rd7 {[%emt 0:00:41]} Rc6 {[%emt 0:00:29]} 48. Kd2 {[%emt 0:02:27]} Ne6 {[%emt 0:00:26]} 49. b5 {[%emt 0:00:21]} Rc4 {[%emt 0:01:19]} 50. Rd6+ {[%emt 0:00:15]} Kc7 {[%emt 0:02:04]} 51. Rxe6 {[%emt 0:00:19]} Rxa4 {[%emt 0:00:02]} 52. Rxg6 {[%emt 0:00:28]} Rf4 {[%emt 0:00:09]} 53. Ke3 {[%emt 0:03:48]} a4 {[%emt 0:00:29]} 54. Rxg7+ {[%emt 0:00:34]} Kb6 {[%emt 0:00:26]} 55. Rg6+ {[%emt 0:00:04]} Kb7 {[%emt 0:00:22]} 56. Rxg5 {[%emt 0:02:14]} a3 {[%emt 0:00:18]} 57. Rg7+ {[%emt 0:00:48]} Kb6 {[%emt 0:00:28]} 58. Kxf4 {[%emt 0:00:11]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.13"]
[White "Chinchilla Miranda, Eugenio"]
[Black "Cardoso Cardoso, Jose Gabriel"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2193"]
[BlackElo "2461"]
[Annotator "ChessBase"]
[PlyCount "62"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:12]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:20]} e6 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:00:13]} Bb4 {[%emt 0:00:10]} 4. Qc2 {[%emt 0:00:19]} O-O {[%emt 0:00:22]} 5. e4 {[%emt 0:00:17]} d5 {[%emt 0:01:25]} 6. e5 {[%emt 0:00:08]} Ne4 {[%emt 0:00:07]} 7. Bd3 {[%emt 0:00:06]} c5 {[%emt 0:00:08]} 8. Nf3 {[%emt 0:00:15]} cxd4 {[%emt 0:00:09]} 9. Nxd4 {[%emt 0:00:04]} Nd7 {[%emt 0:00:14]} 10. Bf4 {[%emt 0:00:07]} Ndc5 {[%emt 0:01:19]} 11. O-O {[%emt 0:00:21]} Bxc3 {[%emt 0:00:09]} 12. bxc3 {[%emt 0:00:11]} Bd7 {[%emt 0:00:29]} 13. cxd5 {[%emt 0:03:00]} exd5 {[%emt 0:03:03]} 14. Be2 {[%emt 0:00:55]} Rc8 {[%emt 0:01:44]} 15. f3 {[%emt 0:05:30]} Ng5 {[%emt 0:00:43]} 16. Qd2 {[%emt 0:06:24]} h6 {[%emt 0:08:01]} 17. Rac1 {[%emt 0:07:20]} Re8 {[%emt 0:04:07]} 18. Bb5 {[%emt 0:07:24]} Nge6 {[%emt 0:13:15]} 19. Bxd7 {[%emt 0:06:34]} Nxd7 {[%emt 0:05:00]} 20. Bg3 {[%emt 0:01:49]} Nb6 {[%emt 0:09:35]} 21. f4 {[%emt 0:04:22]} Nc4 {[%emt 0:01:01]} 22. Qe2 {[%emt 0:01:32]} Qb6 {[%emt 0:02:50]} 23. Rfd1 {[%emt 0:12:00]} Nb2 {[%emt 0:04:56]} 24. Rb1 {[%emt 0:02:29]} Nxd1 {[%emt 0:00:24]} 25. Rxb6 {[%emt 0:01:06]} Nxc3 {[%emt 0:00:05]} 26. Qg4 {[%emt 0:06:50]} axb6 {[%emt 0:02:59]} 27. Nf5 {[%emt 0:01:56]} Ne4 {[%emt 0:00:07]} 28. h4 {[%emt 0:00:52]} h5 {[%emt 0:02:44]} 29. Qxh5 {[%emt 0:03:03]} Nd4 {[%emt 0:00:12]} 30. Kh2 {[%emt 0:02:11]} Rc1 {[%emt 0:02:29]} 31. Kh3 {[%emt 0:02:42]} g6 {[%emt 0:01:29]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.14"]
[White "Zacarias, M Ruben D"]
[Black "Ibarra Chami, Luis Fernando"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2174"]
[BlackElo "2451"]
[Annotator "ChessBase"]
[PlyCount "68"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:08]} c5 {[%emt 0:00:15]} 2. Nf3 {[%emt 0:00:06]} d6 {[%emt 0:00:19]} 3. Bb5+ {[%emt 0:00:49]} Nc6 {[%emt 0:01:41]} 4. O-O {[%emt 0:01:23]} Bd7 {[%emt 0:03:19]} 5. Re1 {[%emt 0:01:28]} Nf6 {[%emt 0:00:31]} 6. c3 {[%emt 0:00:07]} a6 {[%emt 0:00:36]} 7. Bf1 {[%emt 0:00:14]} Bg4 {[%emt 0:00:49]} 8. d4 {[%emt 0:00:47]} cxd4 {[%emt 0:04:19]} 9. cxd4 {[%emt 0:00:06]} d5 {[%emt 0:05:40]} 10. Nc3 {[%emt 0:05:19]} e6 {[%emt 0:09:51]} 11. Bg5 {[%emt 0:05:30]} Be7 {[%emt 0:07:51]} 12. Bxf6 {[%emt 0:11:59]} Bxf6 {[%emt 0:05:45]} 13. exd5 {[%emt 0:01:05]} Nxd4 {[%emt 0:00:51]} 14. dxe6 {[%emt 0:08:35]} Nxf3+ {[%emt 0:02:38]} 15. gxf3 {[%emt 0:00:24]} Bxe6 {[%emt 0:02:55]} 16. Bh3 {[%emt 0:12:54]} Bxc3 {[%emt 0:04:02]} 17. bxc3 {[%emt 0:10:47]} Qg5+ {[%emt 0:03:30]} 18. Kh1 {[%emt 0:01:10]} O-O {[%emt 0:00:45]} 19. Bxe6 {[%emt 0:00:17]} fxe6 {[%emt 0:00:04]} 20. Rxe6 {[%emt 0:00:41]} Kh8 {[%emt 0:02:45]} 21. Qe2 {[%emt 0:03:48]} Qh5 {[%emt 0:01:35]} 22. Re3 {[%emt 0:01:43]} Rf4 {[%emt 0:01:08]} 23. Rg1 {[%emt 0:02:20]} Raf8 {[%emt 0:00:16]} 24. Rg4 {[%emt 0:00:57]} R4f7 {[%emt 0:02:29]} 25. Re5 {[%emt 0:11:46]} Qh3 {[%emt 0:00:07]} 26. Rg3 {[%emt 0:00:07]} Qc8 {[%emt 0:00:04]} 27. Re7 {[%emt 0:00:36]} Qc6 {[%emt 0:03:37]} 28. Qe5 {[%emt 0:02:32]} Rxe7 {[%emt 0:00:48]} 29. Qxe7 {[%emt 0:00:12]} Rg8 {[%emt 0:00:02]} 30. Qe5 {[%emt 0:01:17]} Qc4 {[%emt 0:00:13]} 31. a3 {[%emt 0:02:27]} Qf1+ {[%emt 0:04:11]} 32. Rg1 {[%emt 0:00:11]} Qxf2 {[%emt 0:00:05]} 33. Rxg7 {[%emt 0:00:05]} Rxg7 {[%emt 0:00:04]} 34. Qd4 {[%emt 0:15:40]} Kg8 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.15"]
[White "Jimenez Garcia, Emmanuel"]
[Black "Capo Vidal, Uriel"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2403"]
[BlackElo "2306"]
[Annotator "NA"]
[PlyCount "81"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:03:12]} Nf6 {[%emt 0:17:11]} 2. g3 {[%emt 0:00:05]} d5 {[%emt 0:00:50]} 3. Bg2 {[%emt 0:00:06]} c5 {[%emt 0:00:08]} 4. O-O {[%emt 0:00:48]} Nc6 {[%emt 0:00:46]} 5. d3 {[%emt 0:03:38]} e5 {[%emt 0:00:56]} 6. Nbd2 {[%emt 0:04:05]} Be7 {[%emt 0:01:32]} 7. e4 {[%emt 0:00:11]} d4 {[%emt 0:00:10]} 8. Nc4 {[%emt 0:01:15]} Qc7 {[%emt 0:00:23]} 9. a4 {[%emt 0:00:15]} Nd7 {[%emt 0:00:28]} 10. c3 {[%emt 0:09:11]} Nb6 {[%emt 0:02:30]} 11. Na3 {[%emt 0:02:29]} Bg4 {[%emt 0:04:29]} 12. h3 {[%emt 0:07:42]} Bh5 {[%emt 0:02:08]} 13. a5 {[%emt 0:07:59]} Nd7 {[%emt 0:00:31]} 14. a6 {[%emt 0:08:38]} bxa6 {[%emt 0:10:56]} 15. Nc4 {[%emt 0:04:35]} O-O {[%emt 0:04:49]} 16. Qa4 {[%emt 0:03:02]} Rad8 {[%emt 0:05:50]} 17. g4 {[%emt 0:10:28]} Bg6 {[%emt 0:01:45]} 18. Qxa6 {[%emt 0:01:21]} dxc3 {[%emt 0:08:07]} 19. bxc3 {[%emt 0:00:08]} Ndb8 {[%emt 0:00:52]} 20. Qa4 {[%emt 0:10:21]} Rxd3 {[%emt 0:00:49]} 21. Ne3 {[%emt 0:00:06]} Rfd8 {[%emt 0:10:32]} 22. Nd5 {[%emt 0:01:37]} Qd6 {[%emt 0:07:11]} 23. Ne1 {[%emt 0:00:38]} Bxe4 {[%emt 0:00:19]} 24. Nxe7+ {[%emt 0:00:30]} Nxe7 {[%emt 0:00:02]} 25. Qxe4 {[%emt 0:01:10]} Rxc3 {[%emt 0:01:56]} 26. Bb2 {[%emt 0:00:54]} Rb3 {[%emt 0:00:47]} 27. Bxe5 {[%emt 0:00:40]} Qd7 {[%emt 0:00:56]} 28. Bxb8 {[%emt 0:02:55]} Rdxb8 {[%emt 0:00:01]} 29. Nf3 {[%emt 0:01:56]} R3b4 {[%emt 0:01:21]} 30. Qe3 {[%emt 0:01:01]} Qc7 {[%emt 0:00:49]} 31. Rfc1 {[%emt 0:00:14]} Rc8 {[%emt 0:01:40]} 32. Ne5 {[%emt 0:01:45]} h5 {[%emt 0:03:18]} 33. Rd1 {[%emt 0:02:14]} Re8 {[%emt 0:05:14]} 34. Rd7 {[%emt 0:03:04]} Qb8 {[%emt 0:00:03]} 35. Nd3 {[%emt 0:06:32]} Ng6 {[%emt 0:02:57]} 36. Qxc5 {[%emt 0:01:29]} Rb1+ {[%emt 0:01:05]} 37. Rxb1 {[%emt 0:00:05]} Qxb1+ {[%emt 0:00:01]} 38. Bf1 {[%emt 0:00:41]} hxg4 {[%emt 0:00:22]} 39. Qc4 {[%emt 0:01:00]} Rf8 {[%emt 0:00:19]} 40. hxg4 {[%emt 0:00:19]} Nh4 {[%emt 0:00:43]} 41. Ne5 {[%emt 0:02:41]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.16"]
[White "Encinas Varela, David"]
[Black "Galaviz Medina, Sion Radamantys"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "1862"]
[BlackElo "2374"]
[Annotator "NA"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:30]} c5 {[%emt 0:03:21]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:05]} 5. Nc3 {[%emt 0:00:00]} a6 {[%emt 0:00:03]} 6. Be2 {[%emt 0:00:15]} e6 {[%emt 0:00:59]} 7. g4 {[%emt 0:00:59]} h6 {[%emt 0:03:53]} 8. f4 {[%emt 0:02:19]} Be7 {[%emt 0:01:33]} 9. Be3 {[%emt 0:03:12]} Nc6 {[%emt 0:45:06]} 10. O-O {[%emt 0:00:13]} d5 {[%emt 0:05:46]} 11. e5 {[%emt 0:03:55]} Nd7 {[%emt 0:00:51]} 12. Nxc6 {[%emt 0:49:05]} bxc6 {[%emt 0:00:10]} 13. Bf2 {[%emt 0:00:06]} O-O {[%emt 0:03:20]} 14. Bg3 {[%emt 0:00:21]} f6 {[%emt 0:00:14]} 15. Bd3 {[%emt 0:01:06]} fxe5 {[%emt 0:10:24]} 16. fxe5 {[%emt 0:00:23]} Rxf1+ {[%emt 0:00:16]} 17. Kxf1 {[%emt 0:03:09]} Rb8 {[%emt 0:02:40]} 18. g5 {[%emt 0:08:45]} Bxg5 {[%emt 0:01:13]} 19. Qh5 {[%emt 0:00:26]} Nc5 {[%emt 0:06:45]} 20. Bg6 {[%emt 0:04:17]} Bd7 {[%emt 0:00:11]} 21. h4 {[%emt 0:01:30]} Be7 {[%emt 0:02:56]} 22. Bf7+ {[%emt 0:07:57]} Kh8 {[%emt 0:00:06]} 23. Kg1 {[%emt 0:01:50]} Be8 {[%emt 0:00:11]} 24. Rf1 {[%emt 0:00:12]} Bxf7 {[%emt 0:00:14]} 25. Rxf7 {[%emt 0:00:07]} Qe8 {[%emt 0:00:06]} 26. Qg6 {[%emt 0:00:32]} Bf8 {[%emt 0:00:06]} 27. Kf1 {[%emt 0:07:31]} Kg8 {[%emt 0:00:15]} 28. Rf6 {[%emt 0:01:04]} Qxg6 {[%emt 0:00:05]} 29. Rxg6 {[%emt 0:00:01]} Rxb2 {[%emt 0:00:26]} 30. Bf4 {[%emt 0:00:17]} Rxc2 {[%emt 0:00:09]} 31. Ne2 {[%emt 0:00:11]} Ne4 {[%emt 0:01:07]} 32. Rxe6 {[%emt 0:00:35]} Kf7 {[%emt 0:00:06]} 33. Be3 {[%emt 0:01:02]} Rxe2 {[%emt 0:00:39]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.17"]
[White "Veiga, Jose Francisco R P N"]
[Black "Avila Rodriguez, Joshua Ad"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2366"]
[BlackElo "2182"]
[Annotator "NA"]
[PlyCount "154"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:01:22]} 2. Nf3 {[%emt 0:00:07]} d6 {[%emt 0:00:08]} 3. Bb5+ {[%emt 0:00:20]} Nd7 {[%emt 0:00:18]} 4. O-O {[%emt 0:00:14]} a6 {[%emt 0:00:17]} 5. Bd3 {[%emt 0:00:17]} Ngf6 {[%emt 0:00:17]} 6. Re1 {[%emt 0:00:16]} e6 {[%emt 0:00:22]} 7. c3 {[%emt 0:00:49]} b5 {[%emt 0:01:04]} 8. Bc2 {[%emt 0:00:20]} c4 {[%emt 0:02:40]} 9. a4 {[%emt 0:02:40]} Bb7 {[%emt 0:00:19]} 10. axb5 {[%emt 0:00:41]} axb5 {[%emt 0:00:06]} 11. Rxa8 {[%emt 0:00:36]} Qxa8 {[%emt 0:00:07]} 12. Na3 {[%emt 0:01:14]} Bxe4 {[%emt 0:00:57]} 13. Bxe4 {[%emt 0:04:31]} Nxe4 {[%emt 0:00:06]} 14. Nxb5 {[%emt 0:00:08]} Qb7 {[%emt 0:00:08]} 15. Qa4 {[%emt 0:07:09]} d5 {[%emt 0:07:37]} 16. b4 {[%emt 0:08:12]} Be7 {[%emt 0:05:39]} 17. Bb2 {[%emt 0:06:29]} O-O {[%emt 0:02:24]} 18. Ra1 {[%emt 0:00:15]} Rb8 {[%emt 0:14:31]} 19. Nbd4 {[%emt 0:04:07]} Bf6 {[%emt 0:18:46]} 20. Bc1 {[%emt 0:05:00]} Nb6 {[%emt 0:01:55]} 21. Qa6 {[%emt 0:01:45]} h6 {[%emt 0:02:30]} 22. Kf1 {[%emt 0:03:56]} Ng5 {[%emt 0:07:17]} 23. Nxg5 {[%emt 0:02:50]} Bxd4 {[%emt 0:01:54]} 24. Qxb7 {[%emt 0:02:50]} Rxb7 {[%emt 0:00:06]} 25. Nxe6 {[%emt 0:01:42]} fxe6 {[%emt 0:04:10]} 26. cxd4 {[%emt 0:00:11]} Nd7 {[%emt 0:00:06]} 27. Ra4 {[%emt 0:02:53]} Nb8 {[%emt 0:00:42]} 28. Bb2 {[%emt 0:12:06]} Nc6 {[%emt 0:00:06]} 29. Bc3 {[%emt 0:00:02]} Ra7 {[%emt 0:00:46]} 30. Rxa7 {[%emt 0:00:07]} Nxa7 {[%emt 0:00:01]} 31. d3 {[%emt 0:01:53]} Nb5 {[%emt 0:19:58]} 32. dxc4 {[%emt 0:00:31]} dxc4 {[%emt 0:01:50]} 33. Ba1 {[%emt 0:00:05]} Nc7 {[%emt 0:00:10]} 34. Ke2 {[%emt 0:01:55]} Kf7 {[%emt 0:00:52]} 35. Kd2 {[%emt 0:00:20]} Nd5 {[%emt 0:00:10]} 36. b5 {[%emt 0:00:36]} Ke7 {[%emt 0:00:07]} 37. Bb2 {[%emt 0:00:09]} Kd7 {[%emt 0:01:06]} 38. Ba3 {[%emt 0:03:20]} g6 {[%emt 0:00:31]} 39. Bc5 {[%emt 0:02:33]} Kc7 {[%emt 0:00:56]} 40. g4 {[%emt 0:02:59]} Kb7 {[%emt 0:00:50]} 41. Bf8 {[%emt 0:01:02]} h5 {[%emt 0:02:05]} 42. gxh5 {[%emt 0:00:15]} gxh5 {[%emt 0:00:06]} 43. Bc5 {[%emt 0:00:02]} Kc7 {[%emt 0:01:06]} 44. Kc2 {[%emt 0:00:04]} Kb7 {[%emt 0:00:11]} 45. Kb2 {[%emt 0:00:10]} Kc7 {[%emt 0:00:16]} 46. Ka3 {[%emt 0:00:09]} Kb7 {[%emt 0:00:15]} 47. Bb4 {[%emt 0:00:35]} h4 {[%emt 0:02:20]} 48. Ba5 {[%emt 0:00:45]} h3 {[%emt 0:00:34]} 49. Kb2 {[%emt 0:00:41]} Nf6 {[%emt 0:00:44]} 50. f3 {[%emt 0:00:35]} Nd5 {[%emt 0:00:04]} 51. Kc2 {[%emt 0:00:48]} Ne3+ {[%emt 0:00:43]} 52. Kd2 {[%emt 0:00:21]} Nd5 {[%emt 0:00:19]} 53. Ke2 {[%emt 0:00:48]} Ne7 {[%emt 0:00:54]} 54. Kd2 {[%emt 0:05:42]} Nf5 {[%emt 0:00:31]} 55. Kc3 {[%emt 0:01:51]} Ne3 {[%emt 0:00:20]} 56. Kd2 {[%emt 0:01:27]} Nf5 {[%emt 0:00:06]} 57. Ke2 {[%emt 0:02:29]} Nxd4+ {[%emt 0:00:40]} 58. Kf2 {[%emt 0:00:00]} Nxb5 {[%emt 0:00:09]} 59. Kg3 {[%emt 0:00:03]} Kc6 {[%emt 0:00:34]} 60. Kxh3 {[%emt 0:00:04]} Kd7 {[%emt 0:00:09]} 61. Kg4 {[%emt 0:00:57]} c3 {[%emt 0:00:21]} 62. Kf4 {[%emt 0:02:41]} c2 {[%emt 0:00:34]} 63. Bd2 {[%emt 0:00:01]} Nd4 {[%emt 0:00:17]} 64. Ke4 {[%emt 0:01:25]} Nb3 {[%emt 0:00:17]} 65. Bg5 {[%emt 0:00:02]} c1=Q {[%emt 0:00:16]} 66. Bxc1 {[%emt 0:00:04]} Nxc1 {[%emt 0:00:04]} 67. f4 {[%emt 0:00:25]} Kd6 {[%emt 0:01:21]} 68. f5 {[%emt 0:00:27]} e5 {[%emt 0:00:09]} 69. f6 {[%emt 0:00:05]} Nb3 {[%emt 0:00:06]} 70. Kf5 {[%emt 0:01:30]} Nc5 {[%emt 0:05:08]} 71. h4 {[%emt 0:00:04]} e4 {[%emt 0:00:18]} 72. h5 {[%emt 0:00:04]} e3 {[%emt 0:00:09]} 73. h6 {[%emt 0:00:02]} e2 {[%emt 0:00:03]} 74. h7 {[%emt 0:00:04]} e1=Q {[%emt 0:00:03]} 75. h8=Q {[%emt 0:00:08]} Qe4+ {[%emt 0:00:06]} 76. Kg5 {[%emt 0:00:06]} Ne6+ {[%emt 0:00:09]} 77. Kh5 {[%emt 0:00:19]} Qh1+ {[%emt 0:00:05]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.18"]
[White "Ramirez Toledo, Ayleen Maribel"]
[Black "Perez Garcia, Rodney Oscar"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1810"]
[BlackElo "2331"]
[Annotator "NA"]
[PlyCount "86"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:03]} c5 {[%emt 0:08:47]} 2. g3 {[%emt 0:00:41]} Nc6 {[%emt 0:00:07]} 3. c4 {[%emt 0:01:53]} g6 {[%emt 0:06:58]} 4. Bg2 {[%emt 0:00:09]} Bg7 {[%emt 0:00:07]} 5. O-O {[%emt 0:00:06]} d6 {[%emt 0:02:20]} 6. Nc3 {[%emt 0:01:42]} e5 {[%emt 0:04:40]} 7. d3 {[%emt 0:03:45]} Nge7 {[%emt 0:00:19]} 8. e4 {[%emt 0:11:01]} a6 {[%emt 0:03:47]} 9. Be3 {[%emt 0:04:42]} Rb8 {[%emt 0:02:30]} 10. a4 {[%emt 0:03:34]} O-O {[%emt 0:01:46]} 11. Qd2 {[%emt 0:03:05]} Nd4 {[%emt 0:18:48]} 12. Rae1 {[%emt 0:06:32]} Bd7 {[%emt 0:08:58]} 13. Nh4 {[%emt 0:16:26]} b5 {[%emt 0:00:44]} 14. axb5 {[%emt 0:06:45]} axb5 {[%emt 0:00:03]} 15. f4 {[%emt 0:02:45]} exf4 {[%emt 0:03:22]} 16. gxf4 {[%emt 0:09:35]} Nec6 {[%emt 0:06:30]} 17. Nf3 {[%emt 0:05:23]} bxc4 {[%emt 0:00:23]} 18. dxc4 {[%emt 0:00:24]} Be6 {[%emt 0:00:02]} 19. Rf2 {[%emt 0:06:00]} Bxc4 {[%emt 0:01:16]} 20. f5 {[%emt 0:02:18]} Re8 {[%emt 0:06:48]} 21. Bg5 {[%emt 0:06:10]} Bf6 {[%emt 0:01:02]} 22. Be3 {[%emt 0:02:04]} Nxf3+ {[%emt 0:09:42]} 23. Rxf3 {[%emt 0:00:39]} Ne5 {[%emt 0:00:28]} 24. Rh3 {[%emt 0:01:49]} Ng4 {[%emt 0:01:23]} 25. Kh1 {[%emt 0:02:03]} Nxe3 {[%emt 0:00:36]} 26. Qxe3 {[%emt 0:00:40]} Bg7 {[%emt 0:00:34]} 27. Qf2 {[%emt 0:01:41]} Rb4 {[%emt 0:01:41]} 28. Nd1 {[%emt 0:02:00]} Qf6 {[%emt 0:02:58]} 29. Nc3 {[%emt 0:00:28]} Reb8 {[%emt 0:01:59]} 30. Nd1 {[%emt 0:00:24]} Rb3 {[%emt 0:01:17]} 31. Rxb3 {[%emt 0:00:32]} Bxb3 {[%emt 0:00:20]} 32. e5 {[%emt 0:00:38]} dxe5 {[%emt 0:02:06]} 33. Qxc5 {[%emt 0:00:13]} Qxf5 {[%emt 0:00:29]} 34. Qc7 {[%emt 0:00:34]} Qc8 {[%emt 0:01:04]} 35. Qe7 {[%emt 0:00:25]} Qd8 {[%emt 0:00:21]} 36. Qxd8+ {[%emt 0:00:41]} Rxd8 {[%emt 0:00:01]} 37. Ne3 {[%emt 0:00:23]} f5 {[%emt 0:00:13]} 38. Nf1 {[%emt 0:00:40]} e4 {[%emt 0:00:23]} 39. Bh3 {[%emt 0:00:32]} Rb8 {[%emt 0:01:18]} 40. Ne3 {[%emt 0:00:17]} Bxb2 {[%emt 0:00:27]} 41. Kg2 {[%emt 0:00:47]} Bd4 {[%emt 0:00:33]} 42. Kg3 {[%emt 0:00:30]} Be6 {[%emt 0:00:43]} 43. Nc2 {[%emt 0:00:27]} Be5+ {[%emt 0:00:10]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.19"]
[White "Noboa Silva, Kevin"]
[Black "Avila Bautista, Roberto Al"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2331"]
[BlackElo "2090"]
[Annotator "NA"]
[PlyCount "125"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:05]} c5 {[%emt 0:01:53]} 2. Nf3 {[%emt 0:00:13]} g6 {[%emt 0:00:29]} 3. c3 {[%emt 0:00:43]} d5 {[%emt 0:00:23]} 4. e5 {[%emt 0:00:31]} Bg7 {[%emt 0:02:33]} 5. d4 {[%emt 0:00:34]} cxd4 {[%emt 0:01:31]} 6. cxd4 {[%emt 0:00:25]} Nh6 {[%emt 0:01:40]} 7. Bf4 {[%emt 0:03:55]} f6 {[%emt 0:08:18]} 8. Bb5+ {[%emt 0:02:47]} Bd7 {[%emt 0:04:13]} 9. Qb3 {[%emt 0:02:20]} Bxb5 {[%emt 0:16:35]} 10. Qxb5+ {[%emt 0:00:15]} Qd7 {[%emt 0:01:03]} 11. Nc3 {[%emt 0:01:10]} Qxb5 {[%emt 0:06:54]} 12. Nxb5 {[%emt 0:00:13]} Na6 {[%emt 0:01:46]} 13. O-O {[%emt 0:09:51]} g5 {[%emt 0:16:30]} 14. exf6 {[%emt 0:06:58]} exf6 {[%emt 0:01:26]} 15. Bd2 {[%emt 0:14:08]} Kd7 {[%emt 0:00:55]} 16. Rac1 {[%emt 0:03:38]} Nf7 {[%emt 0:02:10]} 17. Ne1 {[%emt 0:10:08]} Nd6 {[%emt 0:04:12]} 18. Nxd6 {[%emt 0:00:44]} Kxd6 {[%emt 0:00:03]} 19. Nc2 {[%emt 0:00:30]} Rhf8 {[%emt 0:02:08]} 20. Rfe1 {[%emt 0:07:53]} h6 {[%emt 0:05:54]} 21. Nb4 {[%emt 0:01:45]} Rfe8 {[%emt 0:02:07]} 22. Nxa6 {[%emt 0:01:39]} bxa6 {[%emt 0:00:37]} 23. Rc5 {[%emt 0:03:14]} Rxe1+ {[%emt 0:01:57]} 24. Bxe1 {[%emt 0:00:01]} Rb8 {[%emt 0:00:57]} 25. Ra5 {[%emt 0:01:22]} Rb6 {[%emt 0:02:11]} 26. a3 {[%emt 0:03:10]} f5 {[%emt 0:00:36]} 27. Bb4+ {[%emt 0:00:17]} Ke6 {[%emt 0:02:05]} 28. Bc5 {[%emt 0:00:06]} Rxb2 {[%emt 0:03:11]} 29. Rxa6+ {[%emt 0:00:04]} Kf7 {[%emt 0:00:09]} 30. Rxa7+ {[%emt 0:00:13]} Kg6 {[%emt 0:00:06]} 31. g3 {[%emt 0:04:19]} Rd2 {[%emt 0:00:43]} 32. Ra4 {[%emt 0:01:05]} f4 {[%emt 0:00:47]} 33. g4 {[%emt 0:03:33]} h5 {[%emt 0:01:03]} 34. Ra6+ {[%emt 0:02:46]} Kh7 {[%emt 0:00:14]} 35. gxh5 {[%emt 0:01:45]} Bxd4 {[%emt 0:00:44]} 36. Bxd4 {[%emt 0:00:04]} Rxd4 {[%emt 0:00:08]} 37. Kg2 {[%emt 0:00:44]} Rd3 {[%emt 0:02:23]} 38. a4 {[%emt 0:00:23]} Ra3 {[%emt 0:00:43]} 39. f3 {[%emt 0:03:51]} d4 {[%emt 0:01:07]} 40. Kh3 {[%emt 0:01:52]} Rxf3+ {[%emt 0:00:27]} 41. Kg4 {[%emt 0:00:02]} Rf2 {[%emt 0:00:43]} 42. Kxg5 {[%emt 0:00:12]} Rxh2 {[%emt 0:01:27]} 43. Kxf4 {[%emt 0:01:58]} Rxh5 {[%emt 0:00:13]} 44. Ke4 {[%emt 0:00:31]} Kg7 {[%emt 0:00:24]} 45. a5 {[%emt 0:00:23]} Kf7 {[%emt 0:01:36]} 46. Ra8 {[%emt 0:00:11]} d3 {[%emt 0:01:19]} 47. Kxd3 {[%emt 0:00:10]} Rh4 {[%emt 0:00:36]} 48. Kc3 {[%emt 0:01:08]} Ra4 {[%emt 0:01:04]} 49. Kb3 {[%emt 0:00:06]} Ra1 {[%emt 0:00:25]} 50. a6 {[%emt 0:00:41]} Rb1+ {[%emt 0:01:53]} 51. Kc4 {[%emt 0:00:07]} Rc1+ {[%emt 0:00:48]} 52. Kd5 {[%emt 0:00:33]} Rd1+ {[%emt 0:00:47]} 53. Kc6 {[%emt 0:00:11]} Rc1+ {[%emt 0:00:46]} 54. Kb7 {[%emt 0:00:09]} Rb1+ {[%emt 0:00:22]} 55. Ka7 {[%emt 0:00:22]} Ke7 {[%emt 0:00:34]} 56. Rb8 {[%emt 0:00:06]} Ra1 {[%emt 0:00:18]} 57. Rb6 {[%emt 0:00:18]} Kd7 {[%emt 0:02:10]} 58. Kb7 {[%emt 0:00:23]} Rc1 {[%emt 0:00:40]} 59. a7 {[%emt 0:00:14]} Rc7+ {[%emt 0:00:32]} 60. Ka6 {[%emt 0:00:11]} Rc8 {[%emt 0:00:26]} 61. Rb8 {[%emt 0:00:17]} Rc1 {[%emt 0:00:35]} 62. a8=Q {[%emt 0:14:03]} Ra1+ {[%emt 0:00:29]} 63. Kb5 {[%emt 0:00:00]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.20"]
[White "Leon Valdes, Jony Wilson"]
[Black "Luna Javier, Edgar Froylan"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2392"]
[BlackElo "2148"]
[Annotator "NA"]
[PlyCount "55"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:10:43]} 2. c4 {[%emt 0:00:07]} g6 {[%emt 0:00:33]} 3. f3 {[%emt 0:00:07]} Bg7 {[%emt 0:01:17]} 4. e4 {[%emt 0:00:07]} O-O {[%emt 0:00:33]} 5. Nc3 {[%emt 0:00:10]} d6 {[%emt 0:02:40]} 6. Nge2 {[%emt 0:00:10]} c5 {[%emt 0:00:34]} 7. d5 {[%emt 0:00:06]} e6 {[%emt 0:00:18]} 8. Ng3 {[%emt 0:00:06]} exd5 {[%emt 0:00:31]} 9. cxd5 {[%emt 0:00:06]} a6 {[%emt 0:00:08]} 10. a4 {[%emt 0:00:04]} Nbd7 {[%emt 0:00:34]} 11. Be2 {[%emt 0:00:07]} Ne8 {[%emt 0:01:19]} 12. O-O {[%emt 0:00:18]} Rb8 {[%emt 0:01:02]} 13. f4 {[%emt 0:00:41]} Nc7 {[%emt 0:01:42]} 14. e5 {[%emt 0:02:04]} dxe5 {[%emt 0:00:46]} 15. f5 {[%emt 0:01:28]} b5 {[%emt 0:07:44]} 16. d6 {[%emt 0:05:48]} Ne8 {[%emt 0:00:22]} 17. axb5 {[%emt 0:00:36]} axb5 {[%emt 0:00:06]} 18. Bxb5 {[%emt 0:10:05]} Ndf6 {[%emt 0:15:48]} 19. fxg6 {[%emt 0:05:16]} hxg6 {[%emt 0:17:31]} 20. Bxe8 {[%emt 0:03:35]} Nxe8 {[%emt 0:01:53]} 21. Nge4 {[%emt 0:00:24]} Bf5 {[%emt 0:13:05]} 22. Bg5 {[%emt 0:11:47]} f6 {[%emt 0:00:12]} 23. Qd5+ {[%emt 0:00:26]} Kh8 {[%emt 0:05:38]} 24. Be3 {[%emt 0:03:14]} Bxe4 {[%emt 0:06:19]} 25. Nxe4 {[%emt 0:03:02]} f5 {[%emt 0:11:42]} 26. Rf3 {[%emt 0:00:50]} f4 {[%emt 0:00:00]} 27. Rh3+ {[%emt 0:00:41]} Bh6 {[%emt 0:00:00]} 28. Ra7 {[%emt 0:00:58]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.21"]
[White "Perez Gormaz, Matias"]
[Black "Davalos Prieto, Abel Justo"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2404"]
[BlackElo "2103"]
[Annotator "NA"]
[PlyCount "121"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:31]} 2. Nf3 {[%emt 0:00:11]} d6 {[%emt 0:00:34]} 3. d4 cxd4 {[%emt 0:00:18]} 4. Qxd4 {[%emt 0:05:08]} Nc6 {[%emt 0:00:19]} 5. Bb5 {[%emt 0:00:07]} Bd7 {[%emt 0:00:45]} 6. Bxc6 Bxc6 {[%emt 0:02:08]} 7. Nc3 Nf6 {[%emt 0:02:35]} 8. Bg5 {[%emt 0:00:26]} e6 {[%emt 0:07:02]} 9. O-O-O {[%emt 0:00:19]} Be7 {[%emt 0:01:04]} 10. Rhe1 {[%emt 0:05:50]} O-O {[%emt 0:06:53]} 11. Qd2 {[%emt 0:00:36]} Qa5 {[%emt 0:05:28]} 12. Kb1 {[%emt 0:00:13]} Rfd8 {[%emt 0:01:35]} 13. Nd4 {[%emt 0:07:49]} Rac8 {[%emt 0:09:35]} 14. Nd5 {[%emt 0:08:18]} Qxd2 {[%emt 0:00:15]} 15. Nxe7+ {[%emt 0:00:08]} Kf8 {[%emt 0:00:10]} 16. Bxd2 {[%emt 0:00:14]} Kxe7 {[%emt 0:00:26]} 17. f3 {[%emt 0:00:08]} Kf8 {[%emt 0:14:04]} 18. Bb4 {[%emt 0:02:19]} Kg8 {[%emt 0:01:07]} 19. c4 {[%emt 0:43:45]} Ne8 {[%emt 0:16:11]} 20. b3 {[%emt 0:00:25]} g6 {[%emt 0:04:10]} 21. Kb2 {[%emt 0:00:32]} e5 {[%emt 0:08:12]} 22. Nc2 {[%emt 0:06:50]} f6 {[%emt 0:03:34]} 23. Rd2 {[%emt 0:00:09]} Kf7 {[%emt 0:00:23]} 24. Red1 {[%emt 0:00:06]} Ke6 {[%emt 0:00:12]} 25. Ne3 {[%emt 0:00:56]} b6 {[%emt 0:00:56]} 26. g4 {[%emt 0:00:30]} Rd7 {[%emt 0:01:11]} 27. a4 {[%emt 0:00:44]} a5 {[%emt 0:00:22]} 28. Ba3 {[%emt 0:04:02]} Rcd8 {[%emt 0:00:30]} 29. h4 {[%emt 0:00:05]} Nc7 {[%emt 0:00:30]} 30. Rh2 {[%emt 0:00:42]} Na6 {[%emt 0:00:32]} 31. h5 {[%emt 0:04:05]} Nc5 {[%emt 0:01:21]} 32. hxg6 {[%emt 0:00:04]} hxg6 {[%emt 0:00:09]} 33. Rh6 {[%emt 0:00:03]} Rg8 {[%emt 0:00:58]} 34. Ka2 {[%emt 0:03:00]} Rdg7 {[%emt 0:01:11]} 35. Rd2 {[%emt 0:00:37]} Ke7 {[%emt 0:00:59]} 36. Rd1 {[%emt 0:03:02]} Ke6 {[%emt 0:00:09]} 37. Ng2 {[%emt 0:00:17]} Ke7 {[%emt 0:01:13]} 38. Nh4 {[%emt 0:00:17]} Bd7 {[%emt 0:01:08]} 39. Bc1 {[%emt 0:00:08]} Be6 {[%emt 0:00:50]} 40. Be3 {[%emt 0:00:25]} g5 {[%emt 0:05:07]} 41. Ng2 {[%emt 0:01:00]} Rg6 {[%emt 0:01:25]} 42. Rh2 {[%emt 0:00:12]} R6g7 {[%emt 0:00:17]} 43. Kb2 {[%emt 0:01:14]} Rd8 {[%emt 0:00:38]} 44. Rh6 {[%emt 0:00:12]} Kf7 {[%emt 0:00:44]} 45. Kc3 {[%emt 0:01:53]} Ke7 {[%emt 0:00:42]} 46. Bc1 {[%emt 0:02:14]} Rc8 {[%emt 0:00:18]} 47. Ne3 {[%emt 0:00:09]} Rd8 {[%emt 0:01:06]} 48. Nf1 {[%emt 0:00:41]} Kf7 {[%emt 0:00:30]} 49. Ng3 {[%emt 0:00:13]} Rg6 {[%emt 0:00:43]} 50. Rh2 {[%emt 0:00:16]} Rg7 {[%emt 0:00:19]} 51. Be3 {[%emt 0:00:08]} Ke7 {[%emt 0:01:40]} 52. Rh6 {[%emt 0:00:19]} Rf8 {[%emt 0:00:39]} 53. Nh5 {[%emt 0:01:37]} Rgg8 {[%emt 0:00:23]} 54. Rh1 {[%emt 0:01:06]} Rf7 {[%emt 0:00:14]} 55. Ng3 {[%emt 0:00:26]} Bd7 {[%emt 0:00:32]} 56. Rh8 {[%emt 0:01:29]} Rxh8 {[%emt 0:00:16]} 57. Rxh8 {[%emt 0:00:05]} Rf8 {[%emt 0:00:15]} 58. Rh7+ {[%emt 0:00:09]} Rf7 {[%emt 0:00:08]} 59. Rh6 {[%emt 0:00:06]} Be6 {[%emt 0:00:53]} 60. Nh5 {[%emt 0:00:15]} Rf8 {[%emt 0:00:42]} 61. Nxf6 {[%emt 0:04:42]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.22"]
[White "Real Pereyra, Jeronimo"]
[Black "Diaz Rosas, Julio Cesar"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2147"]
[BlackElo "2393"]
[Annotator "NA"]
[PlyCount "131"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:07:47]} c5 {[%emt 0:00:38]} 2. Nf3 {[%emt 0:00:22]} d6 {[%emt 0:00:05]} 3. Bb5+ {[%emt 0:00:04]} Nd7 {[%emt 0:00:05]} 4. d4 {[%emt 0:00:06]} cxd4 {[%emt 0:00:06]} 5. Qxd4 {[%emt 0:00:04]} a6 {[%emt 0:00:04]} 6. Be2 {[%emt 0:00:04]} Ngf6 {[%emt 0:07:56]} 7. O-O {[%emt 0:00:25]} Qc7 {[%emt 0:12:13]} 8. c4 {[%emt 0:01:52]} e6 {[%emt 0:01:09]} 9. Nc3 {[%emt 0:02:32]} Be7 {[%emt 0:00:09]} 10. b3 {[%emt 0:09:31]} O-O {[%emt 0:01:12]} 11. Bb2 {[%emt 0:01:03]} b6 {[%emt 0:01:42]} 12. Rfd1 {[%emt 0:11:08]} Bb7 {[%emt 0:01:23]} 13. Rac1 {[%emt 0:01:56]} Rfd8 {[%emt 0:00:56]} 14. Nd2 {[%emt 0:05:51]} Bf8 {[%emt 0:05:19]} 15. Nf1 {[%emt 0:02:38]} Rac8 {[%emt 0:06:41]} 16. Ng3 {[%emt 0:04:49]} Qb8 {[%emt 0:05:56]} 17. b4 {[%emt 0:03:43]} Qa8 {[%emt 0:10:12]} 18. a3 {[%emt 0:03:01]} Qb8 {[%emt 0:04:44]} 19. Kh1 {[%emt 0:06:51]} Ba8 {[%emt 0:01:14]} 20. f4 {[%emt 0:03:00]} Qb7 {[%emt 0:05:18]} 21. Qd3 {[%emt 0:03:26]} Qb8 {[%emt 0:07:06]} 22. Bf3 {[%emt 0:02:50]} Bb7 {[%emt 0:01:15]} 23. Nf1 {[%emt 0:05:43]} Qa8 {[%emt 0:04:40]} 24. Ng3 {[%emt 0:01:41]} Qb8 {[%emt 0:03:37]} 25. Nf1 {[%emt 0:04:48]} Be7 {[%emt 0:01:24]} 26. Qe2 {[%emt 0:01:32]} Nf8 {[%emt 0:00:58]} 27. f5 {[%emt 0:00:59]} exf5 {[%emt 0:01:25]} 28. exf5 {[%emt 0:00:25]} Re8 {[%emt 0:01:01]} 29. Ne3 {[%emt 0:01:50]} N8d7 {[%emt 0:03:55]} 30. Ncd5 {[%emt 0:03:57]} Nxd5 {[%emt 0:00:27]} 31. Bxd5 {[%emt 0:01:03]} Bf6 {[%emt 0:01:14]} 32. Bxf6 {[%emt 0:02:18]} Nxf6 {[%emt 0:00:06]} 33. Qf3 {[%emt 0:00:38]} Nxd5 {[%emt 0:02:58]} 34. Nxd5 {[%emt 0:01:34]} Re5 {[%emt 0:00:08]} 35. f6 {[%emt 0:00:55]} Bxd5 {[%emt 0:00:16]} 36. cxd5 {[%emt 0:00:36]} g6 {[%emt 0:03:11]} 37. Qf4 {[%emt 0:02:16]} Rxc1 {[%emt 0:01:33]} 38. Rxc1 {[%emt 0:00:17]} Qe8 {[%emt 0:02:17]} 39. h3 {[%emt 0:00:29]} g5 {[%emt 0:01:43]} 40. Qf2 {[%emt 0:03:33]} h6 {[%emt 0:02:33]} 41. Qxb6 {[%emt 0:02:09]} Re1+ {[%emt 0:00:38]} 42. Rxe1 {[%emt 0:00:04]} Qxe1+ {[%emt 0:00:04]} 43. Qg1 {[%emt 0:00:53]} Qc3 {[%emt 0:01:28]} 44. Qd1 {[%emt 0:01:08]} Qxf6 {[%emt 0:00:43]} 45. Qd3 {[%emt 0:00:26]} Qa1+ {[%emt 0:00:28]} 46. Kh2 {[%emt 0:00:02]} Qe5+ {[%emt 0:00:11]} 47. Kg1 {[%emt 0:00:23]} h5 {[%emt 0:00:50]} 48. Qb3 {[%emt 0:00:46]} Qd4+ {[%emt 0:00:38]} 49. Kf1 {[%emt 0:00:31]} Kg7 {[%emt 0:00:36]} 50. a4 {[%emt 0:00:06]} Kf6 {[%emt 0:00:14]} 51. b5 {[%emt 0:00:40]} axb5 {[%emt 0:00:02]} 52. axb5 {[%emt 0:00:10]} Qf4+ {[%emt 0:00:37]} 53. Ke2 {[%emt 0:00:23]} Qe4+ {[%emt 0:00:11]} 54. Kf2 {[%emt 0:00:24]} Qd4+ {[%emt 0:00:23]} 55. Kf1 {[%emt 0:00:16]} Qb6 {[%emt 0:00:37]} 56. Qc3+ {[%emt 0:00:19]} Kf5 {[%emt 0:01:08]} 57. Qc4 {[%emt 0:01:39]} Ke5 {[%emt 0:00:34]} 58. Ke2 {[%emt 0:00:31]} Qc5 {[%emt 0:00:31]} 59. Qxc5 {[%emt 0:00:34]} dxc5 {[%emt 0:00:02]} 60. b6 {[%emt 0:00:03]} Kd6 {[%emt 0:00:12]} 61. g4 {[%emt 0:00:02]} h4 {[%emt 0:00:33]} 62. Kd3 {[%emt 0:01:01]} Kd7 {[%emt 0:01:20]} 63. Kc4 {[%emt 0:00:36]} Kd6 {[%emt 0:00:37]} 64. Kb5 {[%emt 0:00:28]} Kd7 {[%emt 0:00:09]} 65. Kxc5 {[%emt 0:00:32]} f5 {[%emt 0:00:02]} 66. d6 {[%emt 0:00:06]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.23"]
[White "Guevara Sanchez, Erick Marvin"]
[Black "Gemy, Jose Daniel"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2145"]
[BlackElo "2381"]
[Annotator "NA"]
[PlyCount "62"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:30]} e5 {[%emt 0:00:48]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:09]} 3. Bc4 {[%emt 0:00:07]} Bc5 {[%emt 0:00:04]} 4. O-O {[%emt 0:00:11]} Nf6 {[%emt 0:00:07]} 5. d4 {[%emt 0:00:09]} Bxd4 {[%emt 0:00:06]} 6. Nxd4 {[%emt 0:00:11]} Nxd4 {[%emt 0:00:04]} 7. Bg5 {[%emt 0:00:10]} Qe7 {[%emt 0:00:29]} 8. Kh1 {[%emt 0:05:23]} h6 9. Bxf6 {[%emt 0:03:18]} Qxf6 {[%emt 0:00:14]} 10. f4 {[%emt 0:10:26]} O-O {[%emt 0:00:49]} 11. c3 {[%emt 0:06:06]} Ne6 {[%emt 0:20:13]} 12. f5 {[%emt 0:07:18]} Ng5 {[%emt 0:01:02]} 13. Nd2 {[%emt 0:02:08]} b5 {[%emt 0:00:35]} 14. Bxb5 {[%emt 0:10:09]} Rb8 {[%emt 0:01:44]} 15. Bd3 {[%emt 0:05:43]} Rxb2 16. Nc4 {[%emt 0:04:02]} Rb8 {[%emt 0:02:40]} 17. Ne3 {[%emt 0:01:45]} Bb7 {[%emt 0:01:53]} 18. Qg4 {[%emt 0:10:12]} d5 {[%emt 0:20:39]} 19. exd5 {[%emt 0:01:56]} e4 {[%emt 0:01:01]} 20. Bc4 {[%emt 0:03:57]} Qxc3 {[%emt 0:13:06]} 21. f6 {[%emt 0:09:06]} Qxe3 {[%emt 0:02:53]} 22. h4 {[%emt 0:06:13]} Bc8 {[%emt 0:02:21]} 23. Qh5 {[%emt 0:00:12]} Nh7 {[%emt 0:08:14]} 24. fxg7 {[%emt 0:01:28]} Kxg7 {[%emt 0:00:17]} 25. d6 {[%emt 0:00:32]} f5 {[%emt 0:01:50]} 26. Qd1 {[%emt 0:03:45]} Nf6 {[%emt 0:04:23]} 27. dxc7 {[%emt 0:00:09]} Rb4 {[%emt 0:02:27]} 28. Rc1 {[%emt 0:02:15]} Qg3 {[%emt 0:00:18]} 29. Qd8 {[%emt 0:00:42]} Rxc4 {[%emt 0:00:31]} 30. Rxc4 {[%emt 0:01:10]} Ng4 {[%emt 0:00:08]} 31. Qd4+ {[%emt 0:00:34]} Rf6 {[%emt 0:00:32]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.24"]
[White "Lopez Gonzalez, Abel Fabian"]
[Black "Martinez Morales, Geovanni"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2379"]
[BlackElo "2098"]
[Annotator "NA"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} e6 {[%emt 0:02:07]} 2. c4 {[%emt 0:00:07]} d5 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:09]} 4. cxd5 {[%emt 0:00:05]} exd5 {[%emt 0:00:08]} 5. Bg5 {[%emt 0:00:04]} Be7 {[%emt 0:01:03]} 6. e3 {[%emt 0:00:07]} h6 {[%emt 0:01:09]} 7. Bh4 {[%emt 0:00:11]} O-O {[%emt 0:00:07]} 8. Bd3 {[%emt 0:00:21]} c6 9. Qc2 {[%emt 0:02:50]} Nh5 {[%emt 0:08:26]} 10. Bxe7 {[%emt 0:04:45]} Qxe7 {[%emt 0:00:09]} 11. Nge2 {[%emt 0:00:34]} Nd7 {[%emt 0:03:42]} 12. g4 {[%emt 0:03:24]} Nhf6 {[%emt 0:00:12]} 13. Ng3 {[%emt 0:00:58]} Nb6 {[%emt 0:05:58]} 14. O-O-O {[%emt 0:10:22]} Bxg4 {[%emt 0:09:24]} 15. Rdg1 {[%emt 0:02:25]} Be6 {[%emt 0:09:27]} 16. Rg2 {[%emt 0:07:01]} Kh8 {[%emt 0:03:41]} 17. Rhg1 {[%emt 0:07:33]} c5 {[%emt 0:08:50]} 18. dxc5 {[%emt 0:14:08]} Qxc5 {[%emt 0:04:25]} 19. Nge2 {[%emt 0:00:07]} Rg8 {[%emt 0:01:24]} 20. Nd4 {[%emt 0:01:01]} Rac8 21. Kb1 {[%emt 0:06:57]} Nc4 {[%emt 0:06:22]} 22. Nce2 {[%emt 0:14:01]} Qb6 {[%emt 0:07:35]} 23. Bxc4 Rxc4 {[%emt 0:01:40]} 24. Qd3 {[%emt 0:07:21]} Qa6 {[%emt 0:08:43]} 25. Nf4 {[%emt 0:04:33]} Bd7 {[%emt 0:01:34]} 26. b3 {[%emt 0:12:28]} Rcc8 {[%emt 0:07:36]} 27. Qd2 {[%emt 0:00:17]} Ne4 {[%emt 0:00:59]} 28. Qb2 {[%emt 0:00:21]} Nf6 {[%emt 0:02:55]} 29. Ka1 {[%emt 0:01:02]} Qa5 {[%emt 0:01:19]} 30. Nde2 {[%emt 0:01:03]} Bf5 {[%emt 0:01:23]} 31. Rxg7 {[%emt 0:00:30]} Rxg7 {[%emt 0:05:28]} 32. Qxf6 {[%emt 0:01:46]} Rcg8 33. Nh5 {[%emt 0:00:30]} Qa6 {[%emt 0:01:00]} 34. Qd4 {[%emt 0:00:30]} f6 {[%emt 0:00:30]} 35. Nxg7 {[%emt 0:00:30]} Rxg7 36. Rxg7 Kxg7 37. Ng3 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.25"]
[White "Vega Garcia, Jorge Arturo"]
[Black "Santos, Jose Guilherme B Lim"]
[Result "0-1"]
[ECO "D58"]
[WhiteElo "2121"]
[BlackElo "2363"]
[Annotator "NA"]
[PlyCount "88"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:09:01]} Nf6 {[%emt 0:00:03]} 2. Nf3 {[%emt 0:00:09]} e6 {[%emt 0:00:04]} 3. Bg5 d5 {[%emt 0:01:26]} 4. e3 {[%emt 0:01:28]} h6 {[%emt 0:00:21]} 5. Bh4 {[%emt 0:00:11]} Be7 {[%emt 0:00:12]} 6. c4 {[%emt 0:02:04]} O-O {[%emt 0:00:04]} 7. Nc3 {[%emt 0:00:10]} b6 {[%emt 0:00:02]} 8. Rc1 {[%emt 0:00:59]} Bb7 {[%emt 0:00:10]} 9. Bxf6 {[%emt 0:00:45]} Bxf6 {[%emt 0:00:07]} 10. cxd5 {[%emt 0:00:06]} exd5 {[%emt 0:00:03]} 11. Bd3 {[%emt 0:00:44]} c6 {[%emt 0:00:04]} 12. O-O {[%emt 0:00:11]} Re8 {[%emt 0:00:08]} 13. b4 {[%emt 0:06:11]} Qd6 {[%emt 0:16:24]} 14. Qb3 {[%emt 0:02:30]} Be7 {[%emt 0:03:15]} 15. Rb1 {[%emt 0:01:17]} Nd7 {[%emt 0:05:28]} 16. Rfc1 {[%emt 0:05:15]} Bf6 {[%emt 0:11:33]} 17. Na4 {[%emt 0:06:01]} g6 {[%emt 0:04:30]} 18. Nc5 {[%emt 0:09:41]} Bc8 {[%emt 0:00:22]} 19. Na6 {[%emt 0:00:15]} Re6 {[%emt 0:10:38]} 20. Rc2 {[%emt 0:05:47]} Be7 {[%emt 0:06:43]} 21. Rbc1 Bxa6 {[%emt 0:09:45]} 22. Bxa6 {[%emt 0:04:07]} c5 23. b5 {[%emt 0:19:39]} c4 {[%emt 0:02:27]} 24. Qc3 {[%emt 0:00:30]} Qc7 {[%emt 0:01:21]} 25. Nd2 {[%emt 0:00:53]} Nf6 {[%emt 0:02:44]} 26. Re1 {[%emt 0:01:14]} Bd6 {[%emt 0:00:13]} 27. h3 {[%emt 0:00:47]} Qe7 {[%emt 0:00:11]} 28. Rb1 {[%emt 0:00:29]} Re8 {[%emt 0:00:27]} 29. a4 {[%emt 0:01:43]} g5 {[%emt 0:00:31]} 30. Ra2 {[%emt 0:00:39]} g4 {[%emt 0:00:55]} 31. hxg4 {[%emt 0:00:17]} Nxg4 {[%emt 0:02:12]} 32. Nf1 {[%emt 0:00:19]} Qh4 {[%emt 0:00:17]} 33. g3 {[%emt 0:00:15]} Qe7 {[%emt 0:01:08]} 34. Qc2 {[%emt 0:01:17]} Rf6 {[%emt 0:00:34]} 35. Qd1 {[%emt 0:00:17]} h5 {[%emt 0:00:56]} 36. a5 {[%emt 0:00:25]} Rg6 {[%emt 0:00:37]} 37. axb6 {[%emt 0:00:26]} axb6 {[%emt 0:00:04]} 38. Qf3 {[%emt 0:00:10]} Rg5 {[%emt 0:00:41]} 39. Qh1 {[%emt 0:01:13]} Nf6 {[%emt 0:02:10]} 40. Qh3 {[%emt 0:00:37]} h4 {[%emt 0:00:34]} 41. Bc8 {[%emt 0:01:13]} hxg3 {[%emt 0:00:28]} 42. f4 {[%emt 0:00:22]} Rh5 {[%emt 0:08:09]} 43. Qxg3+ {[%emt 0:00:34]} Kh7 {[%emt 0:00:19]} 44. Ra8 {[%emt 0:01:46]} Qe4 {[%emt 0:01:28]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.26"]
[White "Sanchez Enriquez, Oscar Gerardo"]
[Black "Rosales Campos, Paul"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2305"]
[BlackElo "2039"]
[Annotator "NA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:19:34]} d5 {[%emt 0:00:39]} 2. Nf3 {[%emt 0:00:10]} e6 {[%emt 0:01:14]} 3. c4 {[%emt 0:00:45]} Nf6 {[%emt 0:00:51]} 4. e3 {[%emt 0:00:14]} a6 {[%emt 0:04:27]} 5. b3 {[%emt 0:00:57]} c5 {[%emt 0:07:25]} 6. Bd3 {[%emt 0:00:28]} Nc6 {[%emt 0:02:13]} 7. Bb2 {[%emt 0:00:19]} cxd4 {[%emt 0:03:49]} 8. exd4 {[%emt 0:03:55]} Bd6 {[%emt 0:01:02]} 9. O-O {[%emt 0:00:31]} O-O {[%emt 0:01:59]} 10. Nbd2 {[%emt 0:03:15]} b6 {[%emt 0:01:40]} 11. Qe2 {[%emt 0:00:29]} Bb7 {[%emt 0:02:55]} 12. Rad1 {[%emt 0:00:40]} Qc7 {[%emt 0:10:59]} 13. Ne5 {[%emt 0:01:23]} Rad8 {[%emt 0:10:40]} 14. f4 {[%emt 0:12:28]} Rfe8 {[%emt 0:08:32]} 15. Ndf3 {[%emt 0:02:59]} Ne4 {[%emt 0:03:47]} 16. Ng5 {[%emt 0:02:12]} Nxg5 {[%emt 0:17:41]} 17. fxg5 {[%emt 0:00:06]} Nxe5 {[%emt 0:00:31]} 18. dxe5 {[%emt 0:00:12]} Bc5+ {[%emt 0:00:58]} 19. Kh1 {[%emt 0:00:07]} dxc4 {[%emt 0:01:33]} 20. bxc4 {[%emt 0:00:37]} Qe7 {[%emt 0:04:14]} 21. Bc1 {[%emt 0:10:35]} Rd7 22. Be4 {[%emt 0:16:01]} Bxe4 {[%emt 0:06:30]} 23. Qxe4 {[%emt 0:00:47]} Red8 {[%emt 0:00:12]} 24. Qf3 {[%emt 0:01:14]} a5 {[%emt 0:01:12]} 25. a4 {[%emt 0:00:52]} g6 {[%emt 0:02:37]} 26. h4 {[%emt 0:00:34]} Rd4 {[%emt 0:00:11]} 27. g3 {[%emt 0:00:06]} Rxd1 {[%emt 0:00:40]} 28. Rxd1 {[%emt 0:00:14]} Rxd1+ {[%emt 0:00:04]} 29. Qxd1 {[%emt 0:00:17]} Qb7+ {[%emt 0:00:03]} 30. Kh2 {[%emt 0:00:06]} Qe4 {[%emt 0:00:13]} 31. Qd8+ {[%emt 0:01:00]} Kg7 {[%emt 0:00:06]} 32. Qf6+ {[%emt 0:00:09]} Kg8 {[%emt 0:00:26]} 33. Qd8+ {[%emt 0:00:08]} Kg7 {[%emt 0:00:10]} 34. Qf6+ {[%emt 0:00:07]} Kg8 {[%emt 0:00:07]} 35. Qd8+ {[%emt 0:00:06]} Kg7 {[%emt 0:01:38]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.27"]
[White "Fernandez Sanchez, Mario Andres"]
[Black "Herrera Ortiz, Miguel"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2093"]
[BlackElo "2297"]
[Annotator "NA"]
[PlyCount "109"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:05]} d5 {[%emt 0:00:20]} 2. Bf4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:28]} 3. e3 {[%emt 0:00:04]} e6 {[%emt 0:00:21]} 4. Nf3 {[%emt 0:00:03]} Bd6 {[%emt 0:00:17]} 5. Bg3 {[%emt 0:02:52]} O-O {[%emt 0:00:27]} 6. Nbd2 {[%emt 0:00:13]} b6 {[%emt 0:00:23]} 7. c3 {[%emt 0:00:05]} c5 {[%emt 0:02:10]} 8. Ne5 {[%emt 0:06:11]} Bb7 {[%emt 0:09:44]} 9. Bd3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:14]} 10. O-O {[%emt 0:00:15]} Qc7 {[%emt 0:03:04]} 11. f4 {[%emt 0:01:30]} Ne7 {[%emt 0:00:55]} 12. Bh4 {[%emt 0:06:38]} Ne4 {[%emt 0:01:41]} 13. Bxe7 {[%emt 0:08:03]} Qxe7 {[%emt 0:02:03]} 14. Qc2 {[%emt 0:08:16]} Nxd2 {[%emt 0:03:24]} 15. Qxd2 {[%emt 0:00:39]} f6 {[%emt 0:02:25]} 16. Qc2 {[%emt 0:23:17]} g6 {[%emt 0:08:54]} 17. Nf3 {[%emt 0:23:06]} Rac8 {[%emt 0:05:50]} 18. Nh4 {[%emt 0:01:38]} Rf7 {[%emt 0:13:54]} 19. Rae1 {[%emt 0:03:21]} Rg7 {[%emt 0:05:41]} 20. Qe2 {[%emt 0:06:24]} c4 {[%emt 0:07:31]} 21. Bc2 {[%emt 0:00:57]} e5 {[%emt 0:00:31]} 22. fxe5 {[%emt 0:03:23]} fxe5 {[%emt 0:00:20]} 23. dxe5 {[%emt 0:00:19]} Qxe5 {[%emt 0:03:02]} 24. Nf3 {[%emt 0:00:02]} Qh5 {[%emt 0:00:50]} 25. e4 {[%emt 0:03:06]} Re7 {[%emt 0:07:50]} 26. e5 {[%emt 0:00:07]} Bc7 {[%emt 0:02:27]} 27. Qf2 {[%emt 0:01:14]} Rf8 {[%emt 0:02:32]} 28. Qd4 {[%emt 0:00:01]} g5 {[%emt 0:01:13]} 29. h3 {[%emt 0:00:01]} Rf4 {[%emt 0:00:46]} 30. Qd2 {[%emt 0:00:01]} h6 {[%emt 0:02:40]} 31. Bd1 {[%emt 0:02:06]} Qe8 {[%emt 0:00:28]} 32. Bc2 {[%emt 0:00:09]} b5 {[%emt 0:05:23]} 33. Nd4 {[%emt 0:00:21]} Rxe5 {[%emt 0:01:54]} 34. Nf5 {[%emt 0:00:37]} Qf8 {[%emt 0:01:35]} 35. Rxf4 {[%emt 0:00:29]} gxf4 {[%emt 0:00:35]} 36. Rxe5 {[%emt 0:00:12]} Bxe5 {[%emt 0:00:10]} 37. Qe2 {[%emt 0:00:16]} Qf6 {[%emt 0:01:17]} 38. Nxh6+ {[%emt 0:00:11]} Qxh6 {[%emt 0:00:56]} 39. Qxe5 {[%emt 0:00:02]} Bc6 {[%emt 0:02:47]} 40. Bf5 {[%emt 0:00:24]} f3 {[%emt 0:01:16]} 41. Qg3+ {[%emt 0:00:39]} Kf8 {[%emt 0:00:44]} 42. Qxf3 {[%emt 0:00:25]} Ke7 {[%emt 0:00:01]} 43. Kf2 {[%emt 0:01:15]} d4 {[%emt 0:00:55]} 44. Qg3 {[%emt 0:02:39]} Qd2+ {[%emt 0:01:37]} 45. Kg1 {[%emt 0:00:00]} d3 {[%emt 0:00:17]} 46. Qc7+ {[%emt 0:00:39]} Kf8 {[%emt 0:00:08]} 47. Qc8+ {[%emt 0:00:49]} Kf7 {[%emt 0:00:12]} 48. Qc7+ {[%emt 0:00:03]} Kf8 {[%emt 0:00:01]} 49. Qc8+ {[%emt 0:00:23]} Kf7 {[%emt 0:00:03]} 50. Qe6+ {[%emt 0:01:06]} Kg7 {[%emt 0:00:48]} 51. Qg6+ {[%emt 0:00:12]} Kf8 {[%emt 0:00:01]} 52. Qf6+ {[%emt 0:00:24]} Kg8 {[%emt 0:00:02]} 53. Qg6+ {[%emt 0:00:53]} Kf8 {[%emt 0:00:03]} 54. Qf6+ {[%emt 0:00:36]} Kg8 {[%emt 0:00:03]} 55. Qg6+ {[%emt 0:00:19]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.28"]
[White "Ortiz Verdezoto, Anahi"]
[Black "Medina Diaz, Rafael Alejandro"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2047"]
[BlackElo "2287"]
[Annotator "NA"]
[PlyCount "123"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} d5 {[%emt 0:03:26]} 2. c4 {[%emt 0:00:08]} c6 {[%emt 0:00:04]} 3. cxd5 cxd5 {[%emt 0:00:02]} 4. Bf4 {[%emt 0:00:19]} Nc6 {[%emt 0:00:12]} 5. e3 {[%emt 0:00:07]} Bf5 {[%emt 0:00:37]} 6. Nc3 {[%emt 0:02:20]} Nf6 {[%emt 0:00:20]} 7. Qb3 {[%emt 0:00:22]} Na5 {[%emt 0:01:14]} 8. Qa4+ {[%emt 0:00:06]} Bd7 {[%emt 0:00:05]} 9. Qc2 {[%emt 0:00:06]} Nc6 {[%emt 0:00:41]} 10. a3 {[%emt 0:00:41]} e6 {[%emt 0:00:45]} 11. Nf3 {[%emt 0:00:17]} Be7 {[%emt 0:01:52]} 12. Bd3 {[%emt 0:01:43]} O-O {[%emt 0:02:03]} 13. O-O {[%emt 0:00:08]} Rc8 {[%emt 0:00:11]} 14. Rac1 {[%emt 0:05:23]} h6 {[%emt 0:01:22]} 15. h3 {[%emt 0:00:10]} Nh5 {[%emt 0:00:59]} 16. Bh2 {[%emt 0:00:08]} f5 {[%emt 0:00:09]} 17. Qe2 {[%emt 0:02:36]} Nf6 {[%emt 0:03:26]} 18. Ne5 {[%emt 0:09:20]} Nxe5 {[%emt 0:03:41]} 19. Bxe5 {[%emt 0:00:11]} Ne4 {[%emt 0:03:43]} 20. Nxe4 {[%emt 0:07:52]} fxe4 {[%emt 0:00:07]} 21. Bb5 {[%emt 0:05:14]} Bf6 {[%emt 0:05:04]} 22. Bg3 {[%emt 0:04:06]} a6 {[%emt 0:00:33]} 23. Bxd7 {[%emt 0:00:05]} Qxd7 {[%emt 0:00:05]} 24. Qg4 {[%emt 0:00:45]} Rxc1 {[%emt 0:02:11]} 25. Rxc1 {[%emt 0:00:11]} Rc8 {[%emt 0:00:50]} 26. Rf1 {[%emt 0:03:33]} Qf7 {[%emt 0:04:22]} 27. Qd1 {[%emt 0:07:02]} Rc6 {[%emt 0:03:08]} 28. Kh2 {[%emt 0:05:41]} Kh7 {[%emt 0:03:11]} 29. Qb1 {[%emt 0:02:14]} Qg6 {[%emt 0:02:14]} 30. Rc1 {[%emt 0:00:14]} Qe8 {[%emt 0:00:29]} 31. f3 {[%emt 0:02:22]} Rxc1 {[%emt 0:07:40]} 32. Qxc1 {[%emt 0:00:02]} Qb5 {[%emt 0:01:17]} 33. fxe4 {[%emt 0:01:42]} dxe4 {[%emt 0:00:09]} 34. Qc8 {[%emt 0:00:50]} Qb3 {[%emt 0:01:11]} 35. Bf4 {[%emt 0:01:22]} Qd5 {[%emt 0:02:54]} 36. Qc7 {[%emt 0:02:44]} Kg6 {[%emt 0:02:31]} 37. Qc8 {[%emt 0:01:07]} Kh7 {[%emt 0:04:21]} 38. Qc7 {[%emt 0:03:35]} Qb5 {[%emt 0:04:19]} 39. Qf7 {[%emt 0:00:28]} Qd5 {[%emt 0:03:52]} 40. b4 {[%emt 0:00:38]} h5 {[%emt 0:04:28]} 41. a4 {[%emt 0:02:22]} b5 {[%emt 0:02:21]} 42. a5 {[%emt 0:01:01]} h4 {[%emt 0:02:24]} 43. Qe8 {[%emt 0:01:34]} Qf5 {[%emt 0:01:05]} 44. Qf7 {[%emt 0:04:02]} Qd5 {[%emt 0:00:02]} 45. Kh1 {[%emt 0:03:32]} Qc6 {[%emt 0:00:29]} 46. Qh5+ {[%emt 0:02:04]} Kg8 {[%emt 0:00:01]} 47. Qg6 {[%emt 0:00:38]} Kf8 {[%emt 0:02:42]} 48. Qh7 {[%emt 0:05:13]} Kf7 {[%emt 0:01:03]} 49. Qh5+ {[%emt 0:01:59]} Kg8 {[%emt 0:00:25]} 50. Qg6 {[%emt 0:02:24]} Kf8 {[%emt 0:00:32]} 51. Qh7 {[%emt 0:03:08]} Kf7 {[%emt 0:00:12]} 52. Qh8 {[%emt 0:04:03]} Qc1+ {[%emt 0:07:32]} 53. Kh2 {[%emt 0:00:02]} Bxd4 {[%emt 0:00:37]} 54. Qh5+ {[%emt 0:00:28]} Ke7 {[%emt 0:00:07]} 55. Qg6 {[%emt 0:05:05]} Bf6 {[%emt 0:02:20]} 56. Qxe4 {[%emt 0:00:05]} Qc8 {[%emt 0:03:34]} 57. Be5 {[%emt 0:00:25]} Qc4 {[%emt 0:01:01]} 58. Qb7+ {[%emt 0:01:47]} Ke8 {[%emt 0:00:12]} 59. Bd6 {[%emt 0:01:01]} Qd5 {[%emt 0:00:33]} 60. Qxa6 {[%emt 0:02:26]} Be5+ {[%emt 0:00:13]} 61. Bxe5 {[%emt 0:00:02]} Qxe5+ {[%emt 0:00:00]} 62. Kh1 {[%emt 0:02:14]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.29"]
[White "Zarate Manjarrez, Alfredo"]
[Black "Miranda Llanes, Yerisbel"]
[Result "0-1"]
[ECO "C26"]
[WhiteElo "2026"]
[BlackElo "2261"]
[Annotator "NA"]
[PlyCount "110"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:12]} e5 {[%emt 0:00:15]} 2. Nc3 {[%emt 0:01:33]} Nf6 {[%emt 0:00:59]} 3. g3 {[%emt 0:00:16]} d5 {[%emt 0:00:53]} 4. exd5 Nxd5 {[%emt 0:00:01]} 5. Bg2 {[%emt 0:00:17]} Nxc3 6. bxc3 {[%emt 0:00:05]} Bc5 {[%emt 0:00:57]} 7. Ne2 {[%emt 0:15:04]} Nc6 {[%emt 0:00:59]} 8. d3 {[%emt 0:01:09]} O-O {[%emt 0:00:44]} 9. O-O {[%emt 0:00:05]} Bg4 {[%emt 0:01:52]} 10. Be3 {[%emt 0:05:40]} Bb6 {[%emt 0:02:45]} 11. h3 {[%emt 0:08:12]} Bh5 {[%emt 0:05:01]} 12. Kh2 {[%emt 0:00:53]} f5 {[%emt 0:06:40]} 13. Qd2 {[%emt 0:02:05]} f4 {[%emt 0:06:06]} 14. Bxb6 {[%emt 0:01:10]} axb6 {[%emt 0:00:25]} 15. Be4 {[%emt 0:00:28]} Ra4 {[%emt 0:06:48]} 16. f3 {[%emt 0:05:59]} Ne7 {[%emt 0:05:45]} 17. gxf4 {[%emt 0:19:57]} exf4 {[%emt 0:01:20]} 18. d4 {[%emt 0:00:11]} Bf7 {[%emt 0:03:42]} 19. Rg1 {[%emt 0:07:08]} Be6 {[%emt 0:05:17]} 20. Rg5 {[%emt 0:07:39]} h6 {[%emt 0:04:05]} 21. Re5 {[%emt 0:02:07]} Qd6 {[%emt 0:01:28]} 22. Rg1 {[%emt 0:03:05]} Bxa2 {[%emt 0:10:02]} 23. Nxf4 {[%emt 0:01:37]} Ra5 {[%emt 0:01:04]} 24. Ne6 {[%emt 0:03:29]} Bxe6 {[%emt 0:13:45]} 25. Qxh6 {[%emt 0:00:09]} Rf7 {[%emt 0:00:09]} 26. Qxe6 {[%emt 0:00:12]} Qxe6 27. Rxe6 {[%emt 0:00:02]} Nd5 {[%emt 0:03:05]} 28. Re8+ {[%emt 0:04:14]} Rf8 {[%emt 0:00:10]} 29. Bh7+ {[%emt 0:00:11]} Kf7 {[%emt 0:00:16]} 30. Bg6+ {[%emt 0:00:01]} Kg8 {[%emt 0:00:19]} 31. Rxf8+ {[%emt 0:01:51]} Kxf8 {[%emt 0:00:02]} 32. Re1 {[%emt 0:00:06]} Ne7 {[%emt 0:02:41]} 33. Bd3 {[%emt 0:00:30]} Ra3 {[%emt 0:01:34]} 34. c4 {[%emt 0:00:59]} Kf7 {[%emt 0:00:13]} 35. Kg3 {[%emt 0:01:20]} Nc6 {[%emt 0:03:25]} 36. Re4 {[%emt 0:00:15]} Nb4 {[%emt 0:02:24]} 37. Rf4+ {[%emt 0:00:10]} Ke6 {[%emt 0:00:53]} 38. Bf5+ {[%emt 0:02:43]} Kf6 {[%emt 0:00:01]} 39. Be4+ {[%emt 0:00:14]} Ke6 {[%emt 0:00:48]} 40. Rg4 {[%emt 0:01:42]} Kf7 {[%emt 0:00:44]} 41. Kf4 {[%emt 0:02:10]} Rc3 {[%emt 0:01:16]} 42. Kg5 {[%emt 0:01:06]} Nxc2 {[%emt 0:04:21]} 43. Bxb7 {[%emt 0:00:51]} Ne3 {[%emt 0:02:07]} 44. Rf4+ {[%emt 0:00:59]} Ke6 {[%emt 0:00:22]} 45. Kg6 {[%emt 0:01:15]} Nxc4 {[%emt 0:00:35]} 46. Kxg7 {[%emt 0:00:20]} Nd6 {[%emt 0:00:30]} 47. Rf6+ {[%emt 0:00:53]} Ke7 {[%emt 0:00:37]} 48. Rxd6 {[%emt 0:00:33]} Kxd6 {[%emt 0:01:55]} 49. Be4 {[%emt 0:00:07]} Rc1 {[%emt 0:00:59]} 50. f4 {[%emt 0:01:27]} Re1 {[%emt 0:01:54]} 51. Bg6 {[%emt 0:00:13]} Rh1 {[%emt 0:00:20]} 52. f5 {[%emt 0:02:54]} Rxh3 {[%emt 0:00:10]} 53. Bf7 {[%emt 0:00:21]} Rh4 {[%emt 0:01:57]} 54. f6 {[%emt 0:00:45]} Rxd4 {[%emt 0:00:19]} 55. Bb3 {[%emt 0:00:31]} Rf4 {[%emt 0:00:23]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.30"]
[White "Estrada Nieto, Julian"]
[Black "Jorajuria Mendoza, Algol"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2253"]
[BlackElo "2006"]
[Annotator "NA"]
[PlyCount "84"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:01]} c5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:04]} g6 {[%emt 0:00:07]} 4. Bxc6 {[%emt 0:00:18]} dxc6 {[%emt 0:00:06]} 5. d3 {[%emt 0:00:04]} Bg7 {[%emt 0:00:13]} 6. h3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:33]} 7. Nc3 {[%emt 0:00:15]} Nd7 {[%emt 0:00:28]} 8. Be3 {[%emt 0:00:17]} e5 {[%emt 0:00:15]} 9. Qd2 {[%emt 0:00:16]} h6 {[%emt 0:00:10]} 10. O-O {[%emt 0:02:23]} b6 {[%emt 0:00:26]} 11. Nh2 {[%emt 0:10:24]} Nf8 {[%emt 0:00:15]} 12. f4 {[%emt 0:00:30]} exf4 {[%emt 0:00:05]} 13. Rxf4 {[%emt 0:00:42]} g5 {[%emt 0:00:06]} 14. Rf2 {[%emt 0:00:18]} Be6 {[%emt 0:00:35]} 15. a4 {[%emt 0:36:37]} Qd6 {[%emt 0:06:29]} 16. Nf3 {[%emt 0:04:29]} Ng6 {[%emt 0:01:30]} 17. d4 {[%emt 0:00:57]} Rd8 {[%emt 0:05:55]} 18. dxc5 {[%emt 0:03:57]} Qg3 {[%emt 0:00:37]} 19. Qe1 {[%emt 0:03:18]} Ne5 {[%emt 0:14:45]} 20. Ne2 {[%emt 0:16:18]} Nxf3+ {[%emt 0:00:22]} 21. Rxf3 {[%emt 0:00:02]} Qxe1+ {[%emt 0:06:56]} 22. Rxe1 {[%emt 0:00:05]} bxc5 {[%emt 0:02:09]} 23. Bxc5 {[%emt 0:06:46]} Bxb2 {[%emt 0:00:28]} 24. Rb1 {[%emt 0:01:20]} Be5 {[%emt 0:00:27]} 25. Rd3 {[%emt 0:02:55]} Bc4 {[%emt 0:03:13]} 26. Rxd8+ {[%emt 0:05:04]} Kxd8 {[%emt 0:00:05]} 27. Nd4 {[%emt 0:00:30]} Kc7 {[%emt 0:00:25]} 28. Bxa7 {[%emt 0:00:38]} Re8 {[%emt 0:05:20]} 29. Nf5 {[%emt 0:00:56]} Bf4 {[%emt 0:00:53]} 30. Bb6+ {[%emt 0:01:43]} Kc8 {[%emt 0:00:18]} 31. g3 {[%emt 0:00:35]} Bb8 {[%emt 0:00:33]} 32. Re1 {[%emt 0:00:55]} Bd5 {[%emt 0:00:22]} 33. Kf2 {[%emt 0:01:44]} Rxe4 {[%emt 0:01:06]} 34. Rxe4 {[%emt 0:00:07]} Bxe4 {[%emt 0:00:04]} 35. Nxh6 {[%emt 0:00:05]} f5 {[%emt 0:02:57]} 36. c3 {[%emt 0:00:35]} Bd6 {[%emt 0:01:44]} 37. Nf7 {[%emt 0:00:16]} Be7 {[%emt 0:00:07]} 38. Be3 {[%emt 0:00:25]} g4 {[%emt 0:00:34]} 39. h4 {[%emt 0:02:16]} Kd7 {[%emt 0:00:34]} 40. Ne5+ {[%emt 0:00:08]} Kd6 {[%emt 0:00:33]} 41. Ng6 {[%emt 0:00:24]} Bf6 {[%emt 0:01:27]} 42. Bd4 {[%emt 0:00:11]} Kd5 {[%emt 0:01:56]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.31"]
[White "Frey Beckman, Kenneth"]
[Black "Arvizu Borchardt, David Ivan"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2242"]
[BlackElo "1987"]
[Annotator "NA"]
[PlyCount "38"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:05]} d5 {[%emt 0:00:06]} 2. d4 {[%emt 0:00:12]} Nf6 {[%emt 0:00:09]} 3. c4 {[%emt 0:00:13]} dxc4 {[%emt 0:00:06]} 4. e3 {[%emt 0:00:15]} e6 {[%emt 0:00:09]} 5. Bxc4 {[%emt 0:00:11]} c5 {[%emt 0:00:06]} 6. O-O {[%emt 0:00:18]} a6 {[%emt 0:00:03]} 7. Bb3 {[%emt 0:00:29]} Nc6 {[%emt 0:02:19]} 8. Nc3 {[%emt 0:00:22]} cxd4 {[%emt 0:01:44]} 9. exd4 {[%emt 0:01:08]} Be7 {[%emt 0:00:15]} 10. Re1 {[%emt 0:02:58]} O-O {[%emt 0:01:29]} 11. Bg5 {[%emt 0:02:37]} b5 {[%emt 0:09:18]} 12. Qd3 {[%emt 0:14:08]} Bb7 {[%emt 0:04:05]} 13. Rad1 {[%emt 0:00:17]} Nb4 {[%emt 0:02:07]} 14. Qd2 {[%emt 0:01:03]} Bxf3 {[%emt 0:05:46]} 15. gxf3 {[%emt 0:00:08]} Nbd5 {[%emt 0:04:55]} 16. Nxd5 {[%emt 0:02:07]} Nxd5 {[%emt 0:08:46]} 17. Bxe7 {[%emt 0:00:14]} Nxe7 {[%emt 0:00:05]} 18. d5 {[%emt 0:00:15]} Nxd5 {[%emt 0:01:09]} 19. Bxd5 {[%emt 0:00:11]} exd5 {[%emt 0:01:18]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.32"]
[White "Tapie Amione, Pablo Adib"]
[Black "Benito De Leo, Estefania"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2241"]
[BlackElo "1657"]
[Annotator "NA"]
[PlyCount "85"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:01:26]} e5 {[%emt 0:00:10]} 2. Nf3 {[%emt 0:00:12]} Nc6 {[%emt 0:00:04]} 3. Bb5 {[%emt 0:00:36]} a6 {[%emt 0:00:05]} 4. Ba4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:05]} 5. O-O {[%emt 0:00:07]} Be7 {[%emt 0:00:05]} 6. Re1 {[%emt 0:00:13]} b5 {[%emt 0:00:04]} 7. Bb3 {[%emt 0:00:03]} O-O {[%emt 0:00:13]} 8. a4 {[%emt 0:01:18]} b4 {[%emt 0:03:57]} 9. a5 {[%emt 0:07:14]} d6 {[%emt 0:01:41]} 10. d3 {[%emt 0:01:21]} Rb8 {[%emt 0:12:44]} 11. Nbd2 {[%emt 0:02:31]} Re8 {[%emt 0:03:56]} 12. c3 {[%emt 0:06:34]} Bf8 {[%emt 0:07:34]} 13. d4 {[%emt 0:08:52]} bxc3 {[%emt 0:10:53]} 14. bxc3 {[%emt 0:00:09]} d5 {[%emt 0:05:02]} 15. exd5 {[%emt 0:27:38]} Nxd5 {[%emt 0:02:07]} 16. Bxd5 {[%emt 0:00:36]} Qxd5 {[%emt 0:00:10]} 17. c4 {[%emt 0:00:03]} Qd8 {[%emt 0:02:29]} 18. d5 {[%emt 0:00:28]} Nb4 {[%emt 0:08:13]} 19. Ba3 {[%emt 0:03:23]} f6 {[%emt 0:15:12]} 20. Ne4 {[%emt 0:03:43]} Bf5 {[%emt 0:02:48]} 21. Ng3 {[%emt 0:06:10]} Bc2 {[%emt 0:00:07]} 22. Qd2 {[%emt 0:00:21]} Bg6 {[%emt 0:04:55]} 23. Nh4 {[%emt 0:04:01]} Bf7 {[%emt 0:00:01]} 24. Reb1 {[%emt 0:01:07]} Nc6 {[%emt 0:00:41]} 25. Rxb8 {[%emt 0:00:54]} Nxb8 {[%emt 0:00:09]} 26. Bxf8 {[%emt 0:00:14]} Rxf8 {[%emt 0:00:47]} 27. Ngf5 {[%emt 0:01:11]} c6 {[%emt 0:04:40]} 28. Qb4 {[%emt 0:01:01]} cxd5 {[%emt 0:01:30]} 29. cxd5 {[%emt 0:00:04]} Kh8 {[%emt 0:01:19]} 30. Rd1 {[%emt 0:00:43]} Nd7 {[%emt 0:01:48]} 31. h3 {[%emt 0:01:40]} g6 {[%emt 0:01:15]} 32. Ne7 {[%emt 0:07:06]} Qb8 {[%emt 0:01:07]} 33. Qa3 {[%emt 0:06:21]} Qb5 {[%emt 0:02:04]} 34. Qd6 {[%emt 0:01:02]} Qa4 {[%emt 0:02:55]} 35. Rc1 {[%emt 0:00:02]} Qxh4 {[%emt 0:00:13]} 36. Qxd7 {[%emt 0:00:02]} Qb4 {[%emt 0:01:50]} 37. Qc7 {[%emt 0:01:27]} Re8 {[%emt 0:04:05]} 38. d6 {[%emt 0:00:06]} Be6 {[%emt 0:01:22]} 39. Nc6 {[%emt 0:02:48]} Qa3 {[%emt 0:01:04]} 40. Nd8 {[%emt 0:00:23]} Qb2 {[%emt 0:00:34]} 41. Nxe6 {[%emt 0:00:09]} Rxe6 {[%emt 0:00:13]} 42. d7 {[%emt 0:00:02]} Kg7 {[%emt 0:00:45]} 43. d8=N+ {[%emt 0:00:19]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.33"]
[White "Guerrero Rodriguez, Alejandra"]
[Black "Miranda Rodriguez, Tania"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2019"]
[BlackElo "2174"]
[Annotator "NA"]
[PlyCount "50"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:03:03]} e5 {[%emt 0:00:23]} 2. Nf3 {[%emt 0:00:56]} Nc6 {[%emt 0:00:12]} 3. Bb5 {[%emt 0:00:08]} a6 {[%emt 0:00:30]} 4. Ba4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:21]} 5. O-O {[%emt 0:01:49]} b5 {[%emt 0:00:32]} 6. Bb3 {[%emt 0:00:09]} Bc5 {[%emt 0:00:07]} 7. a4 {[%emt 0:00:38]} Rb8 {[%emt 0:00:26]} 8. Nxe5 {[%emt 0:04:32]} Nxe5 {[%emt 0:06:08]} 9. d4 {[%emt 0:00:58]} Bxd4 {[%emt 0:01:03]} 10. Qxd4 {[%emt 0:00:08]} d6 {[%emt 0:00:48]} 11. f4 {[%emt 0:00:13]} c5 {[%emt 0:01:26]} 12. Qd1 {[%emt 0:06:09]} Neg4 {[%emt 0:05:26]} 13. e5 {[%emt 0:06:38]} c4 {[%emt 0:21:17]} 14. a5 {[%emt 0:10:27]} Ne4 {[%emt 0:06:52]} 15. Qd4 {[%emt 0:10:10]} d5 {[%emt 0:14:40]} 16. Ba2 {[%emt 0:02:09]} Qh4 {[%emt 0:12:02]} 17. h3 {[%emt 0:02:03]} h5 {[%emt 0:01:16]} 18. Nc3 {[%emt 0:03:29]} Ng3 {[%emt 0:05:04]} 19. Bd2 {[%emt 0:05:27]} b4 {[%emt 0:01:19]} 20. Qxd5 {[%emt 0:05:35]} bxc3 {[%emt 0:02:48]} 21. Qc6+ {[%emt 0:01:46]} Bd7 {[%emt 0:00:55]} 22. Qd6 {[%emt 0:00:10]} Rc8 {[%emt 0:01:13]} 23. Be1 {[%emt 0:02:02]} Rh6 {[%emt 0:02:04]} 24. Qb4 {[%emt 0:03:51]} Ne2+ {[%emt 0:00:32]} 25. Kh1 {[%emt 0:00:45]} Qxh3+ {[%emt 0:15:36]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.34"]
[White "Zaragoza Alanis, Miguel Arnulfo"]
[Black "Gongora Montes, Benjamin"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "1342"]
[BlackElo "2157"]
[Annotator "NA"]
[PlyCount "82"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:05]} e5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:05]} 3. Bc4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:36]} 4. d3 {[%emt 0:00:16]} h6 {[%emt 0:00:13]} 5. O-O {[%emt 0:02:07]} d6 {[%emt 0:00:56]} 6. Re1 {[%emt 0:01:28]} g5 {[%emt 0:00:15]} 7. Nc3 {[%emt 0:00:45]} Bg4 {[%emt 0:00:30]} 8. Ne2 {[%emt 0:01:15]} Bxf3 {[%emt 0:00:37]} 9. gxf3 {[%emt 0:00:02]} Qd7 {[%emt 0:00:35]} 10. Ng3 {[%emt 0:00:22]} Ne7 {[%emt 0:03:58]} 11. Kf1 {[%emt 0:00:57]} Qh3+ {[%emt 0:01:01]} 12. Ke2 {[%emt 0:00:05]} Ng6 {[%emt 0:00:10]} 13. Be3 {[%emt 0:01:25]} d5 {[%emt 0:02:21]} 14. exd5 {[%emt 0:01:43]} O-O-O {[%emt 0:00:18]} 15. c3 {[%emt 0:02:02]} Nxd5 {[%emt 0:01:23]} 16. Bxd5 {[%emt 0:02:49]} Rxd5 {[%emt 0:00:08]} 17. Qa4 {[%emt 0:00:43]} Bc5 {[%emt 0:02:46]} 18. Qg4+ {[%emt 0:10:11]} Qxg4 {[%emt 0:00:26]} 19. fxg4 {[%emt 0:00:02]} Be7 {[%emt 0:03:53]} 20. Nf5 {[%emt 0:02:22]} f6 {[%emt 0:02:38]} 21. Rh1 {[%emt 0:03:12]} Rhd8 {[%emt 0:17:55]} 22. Rad1 {[%emt 0:00:34]} Bf8 {[%emt 0:03:03]} 23. a3 {[%emt 0:03:40]} a5 {[%emt 0:06:40]} 24. b4 {[%emt 0:04:37]} axb4 {[%emt 0:00:43]} 25. axb4 {[%emt 0:00:38]} b6 {[%emt 0:00:10]} 26. d4 {[%emt 0:07:10]} exd4 {[%emt 0:01:04]} 27. Rxd4 {[%emt 0:02:37]} Ne5 {[%emt 0:03:05]} 28. h3 {[%emt 0:00:49]} Nc6 {[%emt 0:03:12]} 29. Rxd5 {[%emt 0:00:40]} Rxd5 {[%emt 0:00:10]} 30. Rd1 {[%emt 0:00:08]} Rxd1 {[%emt 0:00:22]} 31. Kxd1 {[%emt 0:00:02]} Kd7 {[%emt 0:00:20]} 32. f4 {[%emt 0:00:54]} Ke6 {[%emt 0:00:43]} 33. Kd2 {[%emt 0:00:35]} Kd5 {[%emt 0:01:40]} 34. Kd3 {[%emt 0:00:28]} b5 {[%emt 0:00:18]} 35. Bd2 {[%emt 0:07:20]} Bd6 {[%emt 0:10:17]} 36. Ne3+ {[%emt 0:01:54]} Ke6 {[%emt 0:00:07]} 37. f5+ {[%emt 0:00:16]} Ke5 {[%emt 0:14:23]} 38. Ng2 {[%emt 0:01:18]} Kd5 {[%emt 0:00:11]} 39. Ne3+ {[%emt 0:00:10]} Ke5 {[%emt 0:00:07]} 40. Ng2 {[%emt 0:00:01]} Kd5 {[%emt 0:00:06]} 41. Ne3+ {[%emt 0:00:02]} Ke5 {[%emt 0:23:29]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.35"]
[White "Corrales Jimenez, Zenia"]
[Black "Nava Ruiz, Miguel Angel"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2151"]
[BlackElo "1696"]
[Annotator "NA"]
[PlyCount "131"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c6 {[%emt 0:01:45]} 2. d4 {[%emt 0:00:28]} d5 {[%emt 0:00:25]} 3. Nc3 {[%emt 0:00:58]} dxe4 {[%emt 0:01:06]} 4. Nxe4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:57]} 5. Ng3 {[%emt 0:00:52]} g6 {[%emt 0:01:37]} 6. Nf3 {[%emt 0:00:27]} Bg7 {[%emt 0:00:31]} 7. Bc4 {[%emt 0:03:09]} c5 {[%emt 0:01:28]} 8. c3 {[%emt 0:09:33]} cxd4 {[%emt 0:03:12]} 9. Nxd4 {[%emt 0:00:35]} O-O {[%emt 0:01:19]} 10. O-O {[%emt 0:00:14]} Qc7 {[%emt 0:03:31]} 11. Qb3 {[%emt 0:02:50]} Nc6 {[%emt 0:03:30]} 12. Nxc6 {[%emt 0:01:15]} Qxc6 {[%emt 0:02:32]} 13. Be3 {[%emt 0:10:09]} b6 {[%emt 0:04:00]} 14. Be2 {[%emt 0:04:12]} Be6 {[%emt 0:01:36]} 15. c4 {[%emt 0:02:10]} Rac8 {[%emt 0:00:52]} 16. Rac1 {[%emt 0:00:13]} Ng4 {[%emt 0:03:22]} 17. Bg5 {[%emt 0:06:36]} Qc5 {[%emt 0:03:37]} 18. Bd2 {[%emt 0:04:34]} Rfd8 {[%emt 0:04:51]} 19. Bb4 {[%emt 0:02:41]} Qc7 {[%emt 0:04:06]} 20. Qa3 {[%emt 0:00:11]} a5 {[%emt 0:07:14]} 21. Bc3 {[%emt 0:04:08]} Ne5 {[%emt 0:00:36]} 22. b3 {[%emt 0:02:19]} Nc6 {[%emt 0:07:28]} 23. Bxg7 {[%emt 0:04:43]} Kxg7 {[%emt 0:00:10]} 24. c5 {[%emt 0:04:54]} Bd5 {[%emt 0:04:29]} 25. Qb2+ {[%emt 0:03:00]} Kg8 {[%emt 0:02:58]} 26. Ba6 {[%emt 0:02:36]} Rb8 {[%emt 0:00:48]} 27. cxb6 {[%emt 0:01:12]} Qxb6 {[%emt 0:00:23]} 28. Bc4 {[%emt 0:00:05]} a4 {[%emt 0:01:27]} 29. Bxd5 {[%emt 0:04:44]} Rxd5 {[%emt 0:00:11]} 30. Qc3 {[%emt 0:00:15]} Nb4 {[%emt 0:03:37]} 31. bxa4 {[%emt 0:00:12]} Nxa2 {[%emt 0:00:39]} 32. Qc4 {[%emt 0:00:06]} Qb3 {[%emt 0:01:44]} 33. Qxb3 {[%emt 0:02:13]} Rxb3 {[%emt 0:00:04]} 34. Rc7 {[%emt 0:00:07]} Re5 {[%emt 0:03:42]} 35. Rc2 {[%emt 0:03:18]} Nb4 {[%emt 0:00:28]} 36. Rc8+ {[%emt 0:00:24]} Kg7 {[%emt 0:00:07]} 37. Rb8 {[%emt 0:00:03]} Ra5 {[%emt 0:02:26]} 38. Ne4 {[%emt 0:01:12]} Rb2 {[%emt 0:00:40]} 39. Nc3 {[%emt 0:04:44]} Rc5 {[%emt 0:04:04]} 40. Nd1 {[%emt 0:03:07]} Rb1 {[%emt 0:01:10]} 41. Ne3 {[%emt 0:00:05]} Rcc1 {[%emt 0:01:05]} 42. g3 {[%emt 0:00:40]} Kf6 {[%emt 0:03:07]} 43. Kg2 {[%emt 0:01:38]} Rxf1 {[%emt 0:00:16]} 44. Nxf1 {[%emt 0:00:01]} Rb2 {[%emt 0:01:04]} 45. a5 {[%emt 0:08:22]} Nd3 {[%emt 0:00:42]} 46. Rxb2 {[%emt 0:00:10]} Nxb2 {[%emt 0:00:04]} 47. Nd2 {[%emt 0:01:05]} Na4 {[%emt 0:00:25]} 48. Ne4+ {[%emt 0:00:11]} Kf5 {[%emt 0:03:40]} 49. Kf3 {[%emt 0:00:07]} h6 {[%emt 0:00:52]} 50. Ke3 {[%emt 0:02:31]} Ke5 {[%emt 0:00:07]} 51. g4 {[%emt 0:01:48]} Kd5 {[%emt 0:02:55]} 52. h4 {[%emt 0:01:44]} Kc6 {[%emt 0:05:13]} 53. h5 {[%emt 0:00:04]} gxh5 {[%emt 0:00:43]} 54. gxh5 {[%emt 0:00:01]} Nc5 {[%emt 0:01:22]} 55. Ng5 {[%emt 0:01:32]} Nd7 {[%emt 0:00:17]} 56. Nxf7 {[%emt 0:00:17]} Nf6 {[%emt 0:00:05]} 57. Nxh6 {[%emt 0:01:24]} Nxh5 {[%emt 0:00:04]} 58. Nf5 {[%emt 0:00:33]} Kb5 {[%emt 0:00:47]} 59. Nxe7 {[%emt 0:00:04]} Kxa5 {[%emt 0:00:03]} 60. Ke4 {[%emt 0:00:29]} Kb5 {[%emt 0:00:43]} 61. Ke5 {[%emt 0:00:19]} Kc4 {[%emt 0:01:08]} 62. Nd5 {[%emt 0:00:05]} Kc5 {[%emt 0:00:28]} 63. Nf4 {[%emt 0:00:18]} Ng7 {[%emt 0:00:34]} 64. Ne6+ {[%emt 0:00:01]} Nxe6 {[%emt 0:00:08]} 65. Kxe6 {[%emt 0:00:02]} Kd4 {[%emt 0:00:31]} 66. f4 {[%emt 0:05:20]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.36"]
[White "Montes Orozco, Miguel Angel"]
[Black "Flores Guerrero, Jesus Aldair"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "1914"]
[BlackElo "2251"]
[Annotator "NA"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:16:15]} 2. c4 {[%emt 0:00:14]} e6 {[%emt 0:00:03]} 3. Nf3 {[%emt 0:00:06]} b6 {[%emt 0:00:05]} 4. g3 {[%emt 0:00:13]} Bb7 {[%emt 0:00:11]} 5. Bg2 {[%emt 0:00:09]} Bb4+ {[%emt 0:00:25]} 6. Nbd2 {[%emt 0:00:24]} O-O {[%emt 0:00:15]} 7. O-O {[%emt 0:11:49]} Qc8 {[%emt 0:01:40]} 8. a3 {[%emt 0:00:21]} Bxd2 {[%emt 0:01:23]} 9. Bxd2 {[%emt 0:00:23]} Ne4 {[%emt 0:00:13]} 10. Bf4 {[%emt 0:00:45]} f5 {[%emt 0:01:01]} 11. d5 {[%emt 0:08:38]} d6 {[%emt 0:04:34]} 12. Ng5 {[%emt 0:00:57]} Nxg5 {[%emt 0:06:15]} 13. Bxg5 {[%emt 0:00:05]} e5 {[%emt 0:00:06]} 14. Bd2 {[%emt 0:00:12]} Nd7 {[%emt 0:02:56]} 15. f4 {[%emt 0:23:56]} e4 {[%emt 0:01:01]} 16. g4 {[%emt 0:04:18]} Nf6 {[%emt 0:11:27]} 17. g5 {[%emt 0:01:18]} Ne8 {[%emt 0:02:12]} 18. Rc1 {[%emt 0:16:05]} c6 {[%emt 0:00:58]} 19. dxc6 {[%emt 0:30:05]} Qxc6 {[%emt 0:00:33]} 20. e3 {[%emt 0:00:00]} Rf7 {[%emt 0:03:58]} 21. b4 {[%emt 0:00:00]} d5 {[%emt 0:07:23]} 22. cxd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:09]} 23. Bc3 {[%emt 0:00:00]} Qe6 {[%emt 0:00:47]} 24. Be5 {[%emt 0:00:00]} Bd5 {[%emt 0:06:45]} 25. Qd4 {[%emt 0:00:00]} Bb3 {[%emt 0:01:21]} 26. Rf2 {[%emt 0:00:00]} Rd7 {[%emt 0:01:34]} 27. Qb2 {[%emt 0:00:00]} Bc4 {[%emt 0:06:38]} 28. Rd2 {[%emt 0:00:15]} Rad8 {[%emt 0:00:06]} 29. Rcd1 {[%emt 0:00:35]} Kf7 {[%emt 0:09:56]} 30. Rxd7+ {[%emt 0:01:12]} Rxd7 {[%emt 0:00:06]} 31. Rd4 {[%emt 0:00:04]} Rd5 {[%emt 0:08:22]} 32. Qc3 {[%emt 0:01:13]} b5 {[%emt 0:04:40]} 33. Bf1 {[%emt 0:00:20]} Rxd4 {[%emt 0:03:04]} 34. Qxd4 {[%emt 0:00:09]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.37"]
[White "Garcia Guerrero, Isaac Antonio"]
[Black "Cortes Rodriguez, Marco"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2338"]
[BlackElo "2001"]
[Annotator "NA"]
[PlyCount "68"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:06:20]} 2. Bg5 {[%emt 0:00:46]} c5 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:12]} cxd4 {[%emt 0:00:02]} 4. Qxd4 {[%emt 0:00:08]} Nc6 {[%emt 0:00:03]} 5. Qh4 {[%emt 0:00:16]} d6 {[%emt 0:00:07]} 6. e4 {[%emt 0:00:17]} h6 {[%emt 0:00:06]} 7. O-O-O {[%emt 0:00:38]} Qa5 {[%emt 0:00:04]} 8. Bxf6 {[%emt 0:00:30]} gxf6 {[%emt 0:00:05]} 9. f4 {[%emt 0:00:15]} Rg8 {[%emt 0:00:22]} 10. f5 {[%emt 0:01:07]} Ne5 {[%emt 0:00:19]} 11. Nf3 {[%emt 0:00:57]} Bd7 {[%emt 0:01:12]} 12. Nxe5 {[%emt 0:06:00]} fxe5 {[%emt 0:07:52]} 13. Bc4 {[%emt 0:01:44]} Rc8 {[%emt 0:00:32]} 14. Bb3 {[%emt 0:01:22]} Rxc3 {[%emt 0:00:02]} 15. bxc3 {[%emt 0:01:04]} Qxc3 {[%emt 0:00:19]} 16. Kb1 {[%emt 0:01:32]} a5 {[%emt 0:01:48]} 17. Rd3 {[%emt 0:11:54]} Qb4 {[%emt 0:00:19]} 18. a3 {[%emt 0:00:51]} Qb6 {[%emt 0:00:37]} 19. Qh5 {[%emt 0:04:12]} Rg7 {[%emt 0:00:26]} 20. Rg3 {[%emt 0:00:33]} e6 {[%emt 0:02:55]} 21. a4 {[%emt 0:06:33]} Rxg3 {[%emt 0:01:34]} 22. hxg3 {[%emt 0:01:28]} Qb4 {[%emt 0:03:36]} 23. Ka2 {[%emt 0:26:27]} d5 {[%emt 0:02:14]} 24. fxe6 {[%emt 0:02:06]} Qa3+ {[%emt 0:02:03]} 25. Kb1 {[%emt 0:00:10]} Bxe6 {[%emt 0:00:49]} 26. exd5 {[%emt 0:01:12]} Bd7 {[%emt 0:01:17]} 27. Qxe5+ {[%emt 0:06:25]} Kd8 {[%emt 0:00:01]} 28. Rf1 {[%emt 0:01:17]} f5 {[%emt 0:00:47]} 29. g4 {[%emt 0:03:51]} Bd6 {[%emt 0:00:29]} 30. Qf6+ {[%emt 0:01:03]} Kc7 {[%emt 0:00:16]} 31. Qc3+ {[%emt 0:01:08]} Kb8 {[%emt 0:01:41]} 32. gxf5 {[%emt 0:01:18]} Bxa4 {[%emt 0:01:40]} 33. Qa1 {[%emt 0:01:21]} Bxb3 {[%emt 0:01:05]} 34. Qxa3 {[%emt 0:00:15]} Bxc2+ {[%emt 0:00:02]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.38"]
[White "Amezcua Luria, Jesus"]
[Black "Blanco Fernandez, Alvaro"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2001"]
[BlackElo "2216"]
[Annotator "NA"]
[PlyCount "64"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:08:22]} e6 {[%emt 0:00:08]} 2. c4 {[%emt 0:00:16]} b6 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:04:18]} Bb7 {[%emt 0:00:14]} 4. Nf3 {[%emt 0:01:55]} f5 {[%emt 0:00:38]} 5. g3 {[%emt 0:01:47]} Bxf3 {[%emt 0:01:34]} 6. exf3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:52]} 7. Bg2 {[%emt 0:01:44]} d5 {[%emt 0:00:10]} 8. O-O {[%emt 0:01:04]} c6 {[%emt 0:00:49]} 9. Re1 {[%emt 0:01:15]} Kf7 {[%emt 0:00:42]} 10. Qa4 {[%emt 0:10:41]} Bd6 {[%emt 0:06:49]} 11. Bg5 {[%emt 0:07:01]} Qd7 {[%emt 0:19:46]} 12. Bxf6 {[%emt 0:10:23]} Kxf6 {[%emt 0:00:42]} 13. f4 {[%emt 0:00:38]} a6 {[%emt 0:02:30]} 14. Qb3 {[%emt 0:00:47]} Ra7 {[%emt 0:13:46]} 15. cxd5 {[%emt 0:04:05]} cxd5 {[%emt 0:02:13]} 16. Nxd5+ {[%emt 0:01:06]} exd5 {[%emt 0:00:26]} 17. Bxd5 {[%emt 0:00:09]} g6 {[%emt 0:02:03]} 18. Qxb6 {[%emt 0:08:56]} Rd8 {[%emt 0:00:14]} 19. Rac1 {[%emt 0:03:51]} Rc7 {[%emt 0:01:59]} 20. Rcd1 {[%emt 0:13:25]} Kg7 {[%emt 0:02:12]} 21. Re6 {[%emt 0:05:57]} Nc6 {[%emt 0:03:11]} 22. Rde1 {[%emt 0:04:14]} Nb4 {[%emt 0:08:11]} 23. Bf3 {[%emt 0:02:27]} Bf8 {[%emt 0:01:46]} 24. h4 {[%emt 0:01:40]} Nc2 {[%emt 0:03:04]} 25. Rd1 {[%emt 0:02:26]} Nxd4 {[%emt 0:02:53]} 26. Kg2 {[%emt 0:02:36]} Bc5 {[%emt 0:01:23]} 27. Qa5 {[%emt 0:02:21]} Qc8 {[%emt 0:03:59]} 28. Rxa6 {[%emt 0:00:30]} Nxf3 {[%emt 0:00:41]} 29. Rxd8 {[%emt 0:00:27]} Qxd8 {[%emt 0:00:37]} 30. Qc3+ {[%emt 0:00:34]} Nd4 {[%emt 0:00:15]} 31. Qc4 {[%emt 0:00:27]} Bb6 {[%emt 0:01:12]} 32. Qf1 {[%emt 0:01:05]} Qd5+ {[%emt 0:21:23]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.39"]
[White "Hernandez Jimenez, Alexander Andres"]
[Black "Castellanos Hernandez, Emilio Au"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2167"]
[BlackElo "1939"]
[Annotator "NA"]
[PlyCount "63"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} e6 {[%emt 0:01:02]} 2. d4 {[%emt 0:00:18]} d5 {[%emt 0:00:02]} 3. exd5 {[%emt 0:00:37]} exd5 {[%emt 0:00:06]} 4. Bd3 {[%emt 0:00:11]} Nc6 {[%emt 0:02:23]} 5. c3 {[%emt 0:00:11]} Bd6 {[%emt 0:00:11]} 6. Qf3 {[%emt 0:00:29]} Be6 {[%emt 0:02:42]} 7. Ne2 {[%emt 0:00:17]} Nf6 {[%emt 0:04:24]} 8. h3 {[%emt 0:03:16]} h6 {[%emt 0:03:41]} 9. Bf4 {[%emt 0:00:52]} Qe7 {[%emt 0:13:44]} 10. Bxd6 {[%emt 0:02:38]} Qxd6 {[%emt 0:00:35]} 11. Nd2 {[%emt 0:01:42]} Ne7 {[%emt 0:09:12]} 12. O-O {[%emt 0:08:04]} O-O {[%emt 0:03:42]} 13. Ng3 {[%emt 0:03:50]} Qb6 {[%emt 0:03:20]} 14. Nb3 {[%emt 0:14:48]} Rae8 {[%emt 0:07:35]} 15. Nc5 {[%emt 0:14:19]} Bc8 {[%emt 0:02:21]} 16. b4 {[%emt 0:09:35]} Qd6 {[%emt 0:01:26]} 17. Rfe1 {[%emt 0:01:18]} Nc6 {[%emt 0:09:40]} 18. Nf5 {[%emt 0:04:35]} Rxe1+ {[%emt 0:05:51]} 19. Rxe1 {[%emt 0:00:04]} Bxf5 {[%emt 0:00:20]} 20. Qxf5 {[%emt 0:01:23]} g6 {[%emt 0:01:25]} 21. Qf3 {[%emt 0:00:38]} Nd8 {[%emt 0:01:07]} 22. Bc2 {[%emt 0:06:32]} b6 {[%emt 0:06:41]} 23. Nd3 {[%emt 0:00:10]} Kg7 {[%emt 0:00:03]} 24. Nf4 {[%emt 0:05:45]} a5 {[%emt 0:06:03]} 25. a3 {[%emt 0:06:27]} Nb7 {[%emt 0:00:10]} 26. Re5 {[%emt 0:01:07]} c6 {[%emt 0:00:58]} 27. Qe3 {[%emt 0:01:36]} Nd8 {[%emt 0:03:35]} 28. Qg3 {[%emt 0:03:01]} Nd7 {[%emt 0:01:09]} 29. Re6 {[%emt 0:02:03]} Qxf4 {[%emt 0:04:25]} 30. Rxg6+ {[%emt 0:00:23]} Kh8 {[%emt 0:00:05]} 31. Qxf4 {[%emt 0:00:41]} fxg6 {[%emt 0:00:02]} 32. Qxh6+ {[%emt 0:00:02]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.40"]
[White "Zacarias Rodriguez, Santiago"]
[Black "Alfaro, William"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "1896"]
[BlackElo "2143"]
[Annotator "NA"]
[PlyCount "109"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} g6 {[%emt 0:03:08]} 2. d4 {[%emt 0:01:11]} Bg7 {[%emt 0:00:32]} 3. Nf3 {[%emt 0:00:28]} c6 {[%emt 0:00:13]} 4. Nc3 {[%emt 0:01:31]} d5 {[%emt 0:00:11]} 5. h3 {[%emt 0:01:00]} dxe4 {[%emt 0:01:13]} 6. Nxe4 {[%emt 0:00:09]} Nd7 {[%emt 0:00:05]} 7. Bd3 {[%emt 0:03:22]} Ngf6 {[%emt 0:00:26]} 8. Nxf6+ {[%emt 0:00:29]} Nxf6 {[%emt 0:00:04]} 9. O-O {[%emt 0:01:12]} O-O {[%emt 0:00:05]} 10. Re1 {[%emt 0:02:45]} Re8 {[%emt 0:05:36]} 11. Bf4 {[%emt 0:05:10]} Qb6 {[%emt 0:00:58]} 12. Qc1 {[%emt 0:06:42]} Be6 {[%emt 0:11:23]} 13. c4 {[%emt 0:10:02]} Rad8 {[%emt 0:01:25]} 14. Qd2 {[%emt 0:10:45]} Qa6 {[%emt 0:33:47]} 15. Qc2 {[%emt 0:15:18]} b5 {[%emt 0:01:41]} 16. b3 {[%emt 0:01:45]} Qb7 {[%emt 0:00:42]} 17. Qe2 {[%emt 0:02:44]} Bf5 {[%emt 0:03:01]} 18. Bxf5 {[%emt 0:01:25]} gxf5 {[%emt 0:00:01]} 19. Be5 {[%emt 0:05:28]} Kh8 {[%emt 0:03:50]} 20. Ng5 {[%emt 0:06:48]} e6 {[%emt 0:01:24]} 21. Qe3 {[%emt 0:12:42]} Qe7 {[%emt 0:11:29]} 22. Rac1 {[%emt 0:02:25]} h6 {[%emt 0:04:15]} 23. Nf3 {[%emt 0:00:13]} Kh7 {[%emt 0:00:11]} 24. Bxf6 {[%emt 0:01:45]} Bxf6 {[%emt 0:01:27]} 25. cxb5 {[%emt 0:01:40]} cxb5 {[%emt 0:00:54]} 26. Rcd1 {[%emt 0:02:10]} Rd5 {[%emt 0:01:16]} 27. Qf4 {[%emt 0:01:41]} Red8 {[%emt 0:02:18]} 28. Re2 {[%emt 0:00:31]} R8d7 {[%emt 0:03:00]} 29. Red2 {[%emt 0:00:49]} Qd8 {[%emt 0:00:06]} 30. h4 {[%emt 0:00:59]} Qg8 {[%emt 0:00:22]} 31. Kf1 {[%emt 0:01:46]} Qg4 {[%emt 0:01:16]} 32. Qe3 {[%emt 0:00:46]} b4 {[%emt 0:03:38]} 33. Ne5 {[%emt 0:00:40]} Bxe5 {[%emt 0:00:48]} 34. dxe5 {[%emt 0:00:04]} Rxd2 {[%emt 0:02:05]} 35. Rxd2 {[%emt 0:00:01]} Rxd2 {[%emt 0:00:01]} 36. Qxd2 {[%emt 0:00:01]} Qxh4 {[%emt 0:00:20]} 37. Qd7 {[%emt 0:00:33]} Kg7 {[%emt 0:00:28]} 38. Qxa7 {[%emt 0:01:38]} Qh1+ {[%emt 0:00:13]} 39. Ke2 {[%emt 0:00:03]} Qxg2 {[%emt 0:00:02]} 40. Qc5 {[%emt 0:01:10]} Qe4+ {[%emt 0:00:25]} 41. Kf1 {[%emt 0:00:12]} h5 {[%emt 0:02:34]} 42. Qe7 {[%emt 0:00:09]} Qxe5 {[%emt 0:02:35]} 43. Qg5+ {[%emt 0:00:13]} Kf8 {[%emt 0:00:08]} 44. Qd8+ {[%emt 0:00:12]} Kg7 {[%emt 0:00:06]} 45. Qg5+ {[%emt 0:00:05]} Kh7 {[%emt 0:00:39]} 46. Qxh5+ {[%emt 0:00:05]} Kg7 {[%emt 0:00:10]} 47. Qg5+ {[%emt 0:00:04]} Kh7 {[%emt 0:00:01]} 48. Qh5+ {[%emt 0:00:01]} Kg8 {[%emt 0:00:01]} 49. Qg5+ {[%emt 0:00:18]} Kf8 {[%emt 0:01:52]} 50. Qd8+ {[%emt 0:00:07]} Kg7 {[%emt 0:00:01]} 51. Qg5+ {[%emt 0:00:06]} Kf8 {[%emt 0:01:25]} 52. Qd8+ {[%emt 0:00:08]} Kg7 {[%emt 0:00:01]} 53. Qg5+ {[%emt 0:00:25]} Kh7 {[%emt 0:00:09]} 54. Qh5+ {[%emt 0:00:12]} Kg7 {[%emt 0:03:29]} 55. Qh4 {[%emt 0:05:49]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.41"]
[White "Pla, Silvio"]
[Black "Ortez, Andrea"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2113"]
[BlackElo "1913"]
[Annotator "NA"]
[PlyCount "105"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:22]} d5 {[%emt 0:00:16]} 2. Bf4 {[%emt 0:00:14]} Nf6 {[%emt 0:00:20]} 3. e3 {[%emt 0:00:15]} c5 {[%emt 0:00:31]} 4. Nf3 {[%emt 0:00:15]} Nc6 {[%emt 0:00:33]} 5. Nbd2 {[%emt 0:00:06]} cxd4 {[%emt 0:03:10]} 6. exd4 {[%emt 0:00:30]} Qb6 {[%emt 0:00:19]} 7. Nb3 {[%emt 0:04:07]} Bf5 {[%emt 0:01:03]} 8. c3 {[%emt 0:00:14]} e6 {[%emt 0:00:23]} 9. a4 {[%emt 0:05:29]} a6 {[%emt 0:00:56]} 10. a5 {[%emt 0:05:50]} Qd8 {[%emt 0:00:18]} 11. Bd3 {[%emt 0:13:06]} Bxd3 {[%emt 0:05:45]} 12. Qxd3 {[%emt 0:02:01]} Bd6 {[%emt 0:04:30]} 13. Bxd6 {[%emt 0:04:29]} Qxd6 {[%emt 0:00:20]} 14. O-O {[%emt 0:00:06]} O-O {[%emt 0:01:26]} 15. Rfe1 {[%emt 0:02:15]} Ne4 {[%emt 0:03:07]} 16. Nfd2 {[%emt 0:08:12]} f5 {[%emt 0:09:11]} 17. f3 {[%emt 0:02:22]} Nxd2 {[%emt 0:01:40]} 18. Qxd2 {[%emt 0:00:19]} e5 {[%emt 0:01:07]} 19. dxe5 {[%emt 0:00:56]} Nxe5 {[%emt 0:01:23]} 20. Qd4 {[%emt 0:19:41]} Nc4 {[%emt 0:06:47]} 21. Nc5 {[%emt 0:01:02]} Rae8 {[%emt 0:26:48]} 22. Nxb7 {[%emt 0:14:12]} Qc6 {[%emt 0:00:27]} 23. b3 {[%emt 0:02:02]} Ne3 {[%emt 0:07:47]} 24. Rxe3 {[%emt 0:00:51]} Rxe3 {[%emt 0:01:28]} 25. Qxe3 {[%emt 0:00:01]} Qxb7 {[%emt 0:00:02]} 26. Qe6+ {[%emt 0:01:00]} Kh8 {[%emt 0:00:03]} 27. b4 {[%emt 0:04:09]} Qb5 {[%emt 0:03:30]} 28. Rd1 {[%emt 0:01:41]} Qc4 {[%emt 0:01:22]} 29. Qxd5 {[%emt 0:01:27]} Qxc3 {[%emt 0:02:08]} 30. Qc5 {[%emt 0:00:05]} Qf6 {[%emt 0:00:34]} 31. Qd6 {[%emt 0:00:08]} h6 {[%emt 0:03:01]} 32. Qxf6 {[%emt 0:00:36]} Rxf6 {[%emt 0:00:04]} 33. Rd8+ {[%emt 0:00:05]} Kh7 {[%emt 0:00:05]} 34. Rb8 {[%emt 0:00:12]} Rc6 {[%emt 0:00:18]} 35. h4 {[%emt 0:01:42]} h5 {[%emt 0:01:27]} 36. Kh2 {[%emt 0:00:47]} f4 {[%emt 0:03:33]} 37. Rb6 {[%emt 0:00:19]} Rc4 {[%emt 0:00:04]} 38. b5 {[%emt 0:03:19]} Rc5 {[%emt 0:03:11]} 39. bxa6 {[%emt 0:01:46]} Rxa5 {[%emt 0:00:02]} 40. g4 {[%emt 0:01:50]} fxg3+ {[%emt 0:05:14]} 41. Kxg3 {[%emt 0:00:01]} Ra4 {[%emt 0:00:23]} 42. Rc6 {[%emt 0:00:34]} Ra5 {[%emt 0:01:31]} 43. f4 {[%emt 0:01:05]} Ra3+ {[%emt 0:00:12]} 44. Kf2 {[%emt 0:00:02]} Ra4 {[%emt 0:01:06]} 45. Kf3 {[%emt 0:00:04]} Ra5 {[%emt 0:01:51]} 46. Ke4 {[%emt 0:00:14]} Ra4+ {[%emt 0:00:02]} 47. Ke5 {[%emt 0:00:19]} Kg8 {[%emt 0:01:59]} 48. Kd6 {[%emt 0:00:54]} Kh7 {[%emt 0:00:51]} 49. Kc7 {[%emt 0:00:09]} Rxf4 {[%emt 0:01:01]} 50. a7 {[%emt 0:00:11]} Ra4 {[%emt 0:00:50]} 51. Kb7 {[%emt 0:00:08]} Rxh4 {[%emt 0:01:13]} 52. a8=Q {[%emt 0:00:09]} Rf4 {[%emt 0:00:42]} 53. Qe8 {[%emt 0:01:28]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.42"]
[White "Limon Olmos, Ivan Alonso"]
[Black "Flores Irurso, Paul Josue"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2106"]
[BlackElo "1912"]
[Annotator "NA"]
[PlyCount "146"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:09:39]} Nf6 {[%emt 0:00:44]} 2. Nf3 {[%emt 0:00:48]} g6 {[%emt 0:00:30]} 3. c4 {[%emt 0:00:15]} Bg7 {[%emt 0:00:08]} 4. Nc3 {[%emt 0:00:23]} O-O {[%emt 0:00:49]} 5. e4 {[%emt 0:00:26]} d6 {[%emt 0:00:48]} 6. Be2 {[%emt 0:00:36]} e5 {[%emt 0:01:01]} 7. dxe5 {[%emt 0:00:59]} dxe5 {[%emt 0:00:06]} 8. Qc2 {[%emt 0:00:46]} Nc6 {[%emt 0:06:34]} 9. Bg5 {[%emt 0:00:39]} Bg4 {[%emt 0:04:32]} 10. Rd1 {[%emt 0:06:36]} Qc8 {[%emt 0:07:23]} 11. Be3 {[%emt 0:14:01]} Bxf3 {[%emt 0:12:26]} 12. Bxf3 {[%emt 0:00:33]} Ng4 {[%emt 0:00:39]} 13. Bc5 {[%emt 0:11:56]} Re8 {[%emt 0:06:50]} 14. h3 {[%emt 0:08:56]} Nf6 {[%emt 0:02:40]} 15. O-O {[%emt 0:03:54]} h5 {[%emt 0:08:52]} 16. Be3 {[%emt 0:05:37]} Nh7 {[%emt 0:04:18]} 17. Ne2 {[%emt 0:03:14]} Nf8 {[%emt 0:03:23]} 18. a3 {[%emt 0:06:28]} a5 {[%emt 0:02:58]} 19. c5 {[%emt 0:02:20]} Ne6 {[%emt 0:02:16]} 20. Rfe1 {[%emt 0:04:08]} Ra6 {[%emt 0:08:57]} 21. Qc4 {[%emt 0:02:09]} Ncd4 {[%emt 0:04:06]} 22. Nxd4 {[%emt 0:01:30]} exd4 {[%emt 0:02:53]} 23. Bc1 {[%emt 0:00:37]} a4 {[%emt 0:01:40]} 24. e5 {[%emt 0:02:38]} c6 {[%emt 0:03:19]} 25. Qc2 {[%emt 0:02:22]} Ra5 {[%emt 0:00:43]} 26. Bd2 {[%emt 0:01:00]} Rxc5 {[%emt 0:00:39]} 27. Qxa4 {[%emt 0:00:04]} Rxe5 {[%emt 0:00:29]} 28. Rf1 {[%emt 0:00:08]} Ng5 {[%emt 0:01:19]} 29. Bxg5 {[%emt 0:01:31]} Rxg5 {[%emt 0:00:07]} 30. Kh1 {[%emt 0:00:12]} Qc7 {[%emt 0:01:31]} 31. Rfe1 {[%emt 0:02:19]} Rge5 {[%emt 0:01:04]} 32. Rxe5 {[%emt 0:00:08]} Qxe5 {[%emt 0:00:08]} 33. Qb3 {[%emt 0:00:27]} Qa5 {[%emt 0:00:52]} 34. Kh2 {[%emt 0:01:40]} Qc7+ {[%emt 0:01:29]} 35. Kg1 {[%emt 0:00:19]} Be5 {[%emt 0:01:30]} 36. Qd3 {[%emt 0:00:32]} c5 {[%emt 0:00:16]} 37. Bd5 {[%emt 0:00:06]} Kg7 {[%emt 0:00:11]} 38. a4 {[%emt 0:03:13]} b6 {[%emt 0:02:00]} 39. b3 {[%emt 0:00:05]} Qd6 {[%emt 0:00:35]} 40. Qf3 {[%emt 0:01:09]} Bf6 {[%emt 0:00:31]} 41. Bc4 {[%emt 0:01:00]} Re7 {[%emt 0:01:50]} 42. Kh1 {[%emt 0:01:05]} Qc7 {[%emt 0:01:34]} 43. Kg1 {[%emt 0:00:44]} Re5 {[%emt 0:00:08]} 44. Bd3 {[%emt 0:01:07]} Qe7 {[%emt 0:00:34]} 45. Kf1 {[%emt 0:00:19]} Bg5 {[%emt 0:01:17]} 46. Kg1 {[%emt 0:00:58]} Re6 {[%emt 0:02:04]} 47. Rf1 {[%emt 0:00:36]} Rf6 {[%emt 0:00:56]} 48. Qe4 {[%emt 0:01:13]} Qxe4 {[%emt 0:00:36]} 49. Bxe4 {[%emt 0:00:04]} Re6 {[%emt 0:00:43]} 50. Bd3 {[%emt 0:00:11]} Bd2 {[%emt 0:00:10]} 51. Rd1 {[%emt 0:00:07]} Bc3 {[%emt 0:00:14]} 52. Kf1 {[%emt 0:00:27]} f5 {[%emt 0:00:11]} 53. Kg1 {[%emt 0:00:04]} f4 {[%emt 0:00:23]} 54. Kf1 {[%emt 0:00:41]} Kf6 {[%emt 0:00:22]} 55. Be2 {[%emt 0:01:01]} Kg5 {[%emt 0:00:38]} 56. Rd3 {[%emt 0:00:48]} Re4 {[%emt 0:01:46]} 57. Rd1 {[%emt 0:00:33]} Re7 {[%emt 0:00:29]} 58. Rd3 {[%emt 0:00:44]} Kf5 {[%emt 0:00:27]} 59. Rd1 {[%emt 0:00:12]} Re5 {[%emt 0:00:20]} 60. h4 {[%emt 0:00:58]} Kf6 {[%emt 0:00:42]} 61. Rd3 {[%emt 0:00:12]} g5 {[%emt 0:00:32]} 62. hxg5+ {[%emt 0:00:21]} Kxg5 {[%emt 0:00:28]} 63. Rh3 {[%emt 0:00:34]} h4 {[%emt 0:01:08]} 64. Rf3 {[%emt 0:04:08]} Re7 {[%emt 0:00:31]} 65. Rd3 {[%emt 0:00:00]} Rh7 {[%emt 0:02:20]} 66. Rh3 {[%emt 0:00:00]} Kf6 {[%emt 0:00:21]} 67. g3 {[%emt 0:00:00]} fxg3 {[%emt 0:00:41]} 68. fxg3 {[%emt 0:00:00]} Kg5 {[%emt 0:00:33]} 69. gxh4+ {[%emt 0:00:00]} Rxh4 {[%emt 0:00:08]} 70. Rxh4 {[%emt 0:00:00]} Kxh4 {[%emt 0:00:08]} 71. Kg2 {[%emt 0:00:00]} Kg5 {[%emt 0:00:52]} 72. Kf3 {[%emt 0:00:00]} Kf5 {[%emt 0:00:17]} 73. Bd3+ {[%emt 0:00:00]} Ke5 {[%emt 0:02:21]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.43"]
[White "Ruiz Perez, Juan Octavio"]
[Black "Mares Arellano, Juan Antoni"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2074"]
[BlackElo "1812"]
[Annotator "NA"]
[PlyCount "110"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:13]} 2. Nf3 {[%emt 0:00:18]} a6 {[%emt 0:00:04]} 3. d4 {[%emt 0:03:10]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:01:05]} e6 {[%emt 0:00:06]} 5. Bd3 {[%emt 0:00:30]} b6 {[%emt 0:00:30]} 6. Qe2 {[%emt 0:00:30]} Bb7 {[%emt 0:00:30]} 7. Nc3 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 8. Bd2 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 9. O-O-O {[%emt 0:00:30]} Ne7 {[%emt 0:00:30]} 10. f4 {[%emt 0:23:34]} Nc5 {[%emt 0:11:12]} 11. Kb1 {[%emt 0:01:10]} Nc6 {[%emt 0:03:40]} 12. Nxc6 {[%emt 0:03:37]} Bxc6 {[%emt 0:00:18]} 13. f5 {[%emt 0:02:55]} e5 {[%emt 0:01:21]} 14. Bc4 {[%emt 0:01:29]} b5 {[%emt 0:13:32]} 15. Bd5 {[%emt 0:01:38]} Rc8 {[%emt 0:00:14]} 16. Bxc6+ {[%emt 0:01:03]} Rxc6 {[%emt 0:00:04]} 17. Nd5 {[%emt 0:00:08]} Be7 {[%emt 0:10:02]} 18. Rhf1 {[%emt 0:04:55]} Bf6 {[%emt 0:18:06]} 19. Rf3 {[%emt 0:07:28]} h6 {[%emt 0:00:33]} 20. Rc3 {[%emt 0:06:53]} Rc8 {[%emt 0:02:26]} 21. Nxf6+ {[%emt 0:04:08]} gxf6 {[%emt 0:02:04]} 22. Rh3 {[%emt 0:01:11]} Na4 {[%emt 0:02:32]} 23. Bb4 {[%emt 0:03:21]} Nc5 {[%emt 0:02:23]} 24. Rc3 {[%emt 0:06:04]} Qb6 {[%emt 0:02:08]} 25. Rd5 {[%emt 0:00:53]} Ke7 {[%emt 0:06:52]} 26. Qe3 {[%emt 0:03:08]} Rhd8 {[%emt 0:00:21]} 27. Ra3 {[%emt 0:04:46]} Rd7 {[%emt 0:00:51]} 28. Rad3 {[%emt 0:02:02]} a5 {[%emt 0:03:55]} 29. Be1 {[%emt 0:00:58]} Qd8 {[%emt 0:01:42]} 30. Rd1 {[%emt 0:02:33]} b4 {[%emt 0:00:17]} 31. Bh4 {[%emt 0:00:45]} Qh8 {[%emt 0:00:29]} 32. g4 {[%emt 0:02:23]} Rc6 {[%emt 0:04:10]} 33. Qe2 {[%emt 0:01:06]} Rb7 {[%emt 0:02:21]} 34. Bf2 {[%emt 0:01:25]} Na4 {[%emt 0:00:15]} 35. Qd3 {[%emt 0:03:33]} Qd8 {[%emt 0:03:55]} 36. Ka1 {[%emt 0:03:33]} Qc7 {[%emt 0:01:20]} 37. Rc1 {[%emt 0:05:14]} Nc5 {[%emt 0:02:43]} 38. Bxc5 {[%emt 0:00:00]} Rxc5 {[%emt 0:00:02]} 39. Rxc5 {[%emt 0:00:00]} Qxc5 {[%emt 0:00:08]} 40. Kb1 {[%emt 0:00:00]} a4 {[%emt 0:00:30]} 41. Qd2 {[%emt 0:00:00]} a3 {[%emt 0:00:27]} 42. Qd5 {[%emt 0:01:28]} Qa7 {[%emt 0:00:46]} 43. Rd1 {[%emt 0:00:12]} Qa6 {[%emt 0:00:21]} 44. b3 {[%emt 0:00:24]} Qb6 {[%emt 0:00:26]} 45. h4 {[%emt 0:00:22]} Rc7 {[%emt 0:00:22]} 46. g5 {[%emt 0:00:31]} hxg5 {[%emt 0:01:02]} 47. hxg5 {[%emt 0:00:02]} fxg5 {[%emt 0:00:21]} 48. Qd2 {[%emt 0:00:12]} Qc6 {[%emt 0:05:08]} 49. Qxg5+ {[%emt 0:00:22]} Kd7 {[%emt 0:00:13]} 50. Qd2 {[%emt 0:00:35]} Ke7 {[%emt 0:03:00]} 51. Qg5+ {[%emt 0:00:14]} Kd7 {[%emt 0:00:00]} 52. Qd2 {[%emt 0:00:18]} Ke7 {[%emt 0:01:00]} 53. Qg5+ {[%emt 0:01:19]} Kd7 {[%emt 0:00:00]} 54. Qd2 {[%emt 0:00:18]} Ke7 {[%emt 0:00:00]} 55. Qg5+ {[%emt 0:01:08]} Kd7 {[%emt 0:00:00]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.44"]
[White "Fernandez Pozas, Pablo Antonio"]
[Black "Hernandez Diaz, Paula Sofia"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2072"]
[BlackElo "1762"]
[Annotator "NA"]
[PlyCount "107"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:04:42]} d5 {[%emt 0:00:12]} 2. c4 {[%emt 0:00:17]} e6 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:03]} c5 {[%emt 0:00:08]} 4. cxd5 {[%emt 0:00:07]} exd5 {[%emt 0:00:13]} 5. Nf3 {[%emt 0:00:22]} Nc6 {[%emt 0:00:08]} 6. g3 {[%emt 0:00:29]} Nf6 {[%emt 0:00:39]} 7. Bg2 {[%emt 0:00:16]} Be7 {[%emt 0:01:03]} 8. O-O {[%emt 0:00:13]} O-O {[%emt 0:00:53]} 9. Bg5 {[%emt 0:06:13]} Be6 {[%emt 0:07:23]} 10. Rc1 {[%emt 0:02:05]} cxd4 {[%emt 0:24:54]} 11. Nxd4 {[%emt 0:00:26]} Nxd4 {[%emt 0:00:46]} 12. Qxd4 {[%emt 0:00:12]} Qa5 {[%emt 0:00:47]} 13. h3 {[%emt 0:21:47]} Rfd8 {[%emt 0:07:28]} 14. Rfd1 {[%emt 0:03:46]} h6 {[%emt 0:07:44]} 15. Be3 {[%emt 0:07:33]} b6 {[%emt 0:05:48]} 16. Qf4 {[%emt 0:04:42]} Rac8 {[%emt 0:13:11]} 17. Bd4 {[%emt 0:08:54]} Bd6 {[%emt 0:07:31]} 18. Qd2 {[%emt 0:04:18]} Be7 {[%emt 0:03:02]} 19. a3 {[%emt 0:02:07]} Ne8 {[%emt 0:09:48]} 20. Ra1 {[%emt 0:10:40]} Bf6 {[%emt 0:05:31]} 21. e3 {[%emt 0:01:27]} Bxd4 {[%emt 0:01:29]} 22. Qxd4 {[%emt 0:00:03]} Nf6 {[%emt 0:01:01]} 23. Rd2 {[%emt 0:07:31]} Qc5 {[%emt 0:01:12]} 24. Qxc5 {[%emt 0:00:31]} bxc5 {[%emt 0:00:26]} 25. Rad1 {[%emt 0:00:36]} Kf8 {[%emt 0:00:32]} 26. Nxd5 {[%emt 0:00:28]} Nxd5 {[%emt 0:00:25]} 27. g4 {[%emt 0:01:46]} Ke7 {[%emt 0:00:48]} 28. Bxd5 {[%emt 0:00:02]} Bxd5 {[%emt 0:00:08]} 29. Rxd5 {[%emt 0:00:04]} Rxd5 {[%emt 0:00:10]} 30. Rxd5 {[%emt 0:00:01]} Ke6 {[%emt 0:00:18]} 31. e4 {[%emt 0:00:16]} Rc7 {[%emt 0:01:07]} 32. Kg2 {[%emt 0:01:03]} c4 {[%emt 0:00:56]} 33. Ra5 {[%emt 0:00:25]} Rb7 {[%emt 0:00:28]} 34. Rc5 {[%emt 0:00:33]} Rxb2 {[%emt 0:00:16]} 35. Rxc4 {[%emt 0:00:02]} Rb3 {[%emt 0:00:13]} 36. Ra4 {[%emt 0:00:09]} Rb7 {[%emt 0:00:11]} 37. Ra5 {[%emt 0:00:14]} Kd6 {[%emt 0:00:41]} 38. Kg3 {[%emt 0:00:23]} Kc6 {[%emt 0:00:27]} 39. Kf4 {[%emt 0:00:23]} Kb6 {[%emt 0:00:48]} 40. Rd5 {[%emt 0:00:27]} Rc7 {[%emt 0:00:32]} 41. a4 {[%emt 0:00:12]} a5 {[%emt 0:00:10]} 42. Ke5 {[%emt 0:03:18]} Re7+ {[%emt 0:00:50]} 43. Kd4 {[%emt 0:00:16]} Rc7 {[%emt 0:00:16]} 44. Rd6+ {[%emt 0:00:35]} Kb7 {[%emt 0:00:24]} 45. f4 {[%emt 0:00:19]} Ka7 {[%emt 0:01:03]} 46. e5 {[%emt 0:00:25]} Kb7 {[%emt 0:00:26]} 47. f5 {[%emt 0:00:19]} Re7 {[%emt 0:00:33]} 48. Kd5 {[%emt 0:00:41]} Kc7 {[%emt 0:00:30]} 49. e6 {[%emt 0:00:36]} fxe6+ {[%emt 0:00:26]} 50. fxe6 {[%emt 0:00:02]} g6 {[%emt 0:00:15]} 51. Ra6 {[%emt 0:00:11]} Kb7 {[%emt 0:00:25]} 52. Rxa5 {[%emt 0:00:02]} Kb6 {[%emt 0:00:06]} 53. Rb5+ {[%emt 0:00:08]} Ka6 {[%emt 0:00:04]} 54. Kd6 {[%emt 0:00:15]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.45"]
[White "Torres Rivas, Felipe de Jesus"]
[Black "Gutierrez Herrera, Jose Antonio"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "1845"]
[BlackElo "2059"]
[Annotator "NA"]
[PlyCount "225"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:03:03]} Nf6 {[%emt 0:00:15]} 2. c4 {[%emt 0:00:35]} e6 {[%emt 0:00:13]} 3. Nf3 {[%emt 0:00:09]} d5 {[%emt 0:01:31]} 4. g3 {[%emt 0:00:08]} Be7 {[%emt 0:02:24]} 5. Bg2 {[%emt 0:00:29]} O-O {[%emt 0:00:09]} 6. O-O {[%emt 0:00:04]} b6 {[%emt 0:00:32]} 7. cxd5 {[%emt 0:00:42]} exd5 {[%emt 0:00:20]} 8. Nc3 {[%emt 0:00:21]} Bb7 {[%emt 0:00:20]} 9. b3 {[%emt 0:05:50]} Nbd7 {[%emt 0:05:33]} 10. Bb2 {[%emt 0:00:07]} c6 {[%emt 0:06:13]} 11. Rc1 {[%emt 0:00:31]} Re8 {[%emt 0:01:15]} 12. Qc2 {[%emt 0:00:46]} Bd6 {[%emt 0:00:43]} 13. Rfe1 {[%emt 0:05:31]} Qe7 {[%emt 0:03:01]} 14. Nh4 {[%emt 0:02:48]} Bb4 {[%emt 0:09:32]} 15. Nf5 {[%emt 0:18:04]} Qf8 {[%emt 0:02:38]} 16. Ra1 {[%emt 0:17:30]} g6 {[%emt 0:10:35]} 17. Nh4 {[%emt 0:00:11]} Ne4 {[%emt 0:00:50]} 18. a3 {[%emt 0:07:36]} Bxc3 {[%emt 0:06:48]} 19. Bxc3 {[%emt 0:00:07]} Nxc3 {[%emt 0:00:07]} 20. Qxc3 {[%emt 0:00:02]} Qg7 {[%emt 0:00:07]} 21. b4 {[%emt 0:09:31]} Nf6 {[%emt 0:03:57]} 22. Nf3 {[%emt 0:03:37]} Ne4 {[%emt 0:00:15]} 23. Qb3 {[%emt 0:01:50]} Qf6 {[%emt 0:00:29]} 24. e3 {[%emt 0:03:03]} Re7 {[%emt 0:03:16]} 25. Rac1 {[%emt 0:01:00]} Ba6 {[%emt 0:08:02]} 26. Qc2 {[%emt 0:00:45]} Bb7 {[%emt 0:04:12]} 27. Ne5 {[%emt 0:11:05]} Qe6 {[%emt 0:24:48]} 28. Nxc6 {[%emt 0:05:29]} Rc7 {[%emt 0:00:09]} 29. b5 {[%emt 0:00:04]} Bxc6 {[%emt 0:00:08]} 30. bxc6 {[%emt 0:00:07]} Rac8 {[%emt 0:00:02]} 31. Bxe4 {[%emt 0:01:11]} dxe4 {[%emt 0:00:03]} 32. Qa4 {[%emt 0:00:14]} Rxc6 {[%emt 0:00:06]} 33. Rxc6 {[%emt 0:00:13]} Qxc6 {[%emt 0:00:10]} 34. Qxa7 {[%emt 0:00:43]} Ra8 {[%emt 0:02:44]} 35. Qe7 {[%emt 0:00:05]} Qc3 {[%emt 0:00:10]} 36. Rb1 {[%emt 0:00:30]} Qd3 {[%emt 0:00:37]} 37. Qb4 {[%emt 0:00:31]} Rxa3 {[%emt 0:00:29]} 38. Qxb6 {[%emt 0:00:18]} Ra6 {[%emt 0:00:31]} 39. Qb8+ {[%emt 0:00:06]} Kg7 {[%emt 0:00:07]} 40. Qe5+ {[%emt 0:02:19]} Kh6 {[%emt 0:00:16]} 41. Qb5 {[%emt 0:01:43]} Qc2 {[%emt 0:01:31]} 42. Rf1 {[%emt 0:01:34]} Rf6 {[%emt 0:00:14]} 43. Qe5 {[%emt 0:00:46]} Rf5 {[%emt 0:00:11]} 44. Qe7 {[%emt 0:00:24]} Kg7 {[%emt 0:00:16]} 45. h4 {[%emt 0:00:40]} h5 {[%emt 0:00:09]} 46. Qd7 {[%emt 0:00:25]} Qd3 {[%emt 0:00:42]} 47. Qb7 {[%emt 0:00:28]} Rf3 {[%emt 0:00:37]} 48. Qb1 {[%emt 0:00:37]} Qxb1 {[%emt 0:01:24]} 49. Rxb1 {[%emt 0:00:00]} Kf6 {[%emt 0:00:01]} 50. Rb6+ {[%emt 0:00:20]} Ke7 {[%emt 0:00:03]} 51. Rb5 {[%emt 0:00:39]} f6 {[%emt 0:01:13]} 52. Kf1 {[%emt 0:00:18]} Ke6 {[%emt 0:00:48]} 53. Ke2 {[%emt 0:00:11]} Ke7 {[%emt 0:01:01]} 54. Rb7+ {[%emt 0:00:05]} Kf8 {[%emt 0:00:20]} 55. Rc7 {[%emt 0:01:48]} Kg8 {[%emt 0:00:49]} 56. Re7 {[%emt 0:00:12]} Rf5 {[%emt 0:02:18]} 57. Rxe4 {[%emt 0:00:13]} Kf7 {[%emt 0:00:05]} 58. g4 {[%emt 0:00:49]} Ra5 {[%emt 0:00:08]} 59. gxh5 {[%emt 0:00:07]} Rxh5 {[%emt 0:00:25]} 60. Rg4 {[%emt 0:00:24]} f5 {[%emt 0:00:35]} 61. Rf4 {[%emt 0:00:26]} Ke6 {[%emt 0:00:02]} 62. Kf3 {[%emt 0:00:57]} Rh8 {[%emt 0:00:49]} 63. Kg3 {[%emt 0:00:11]} Ra8 {[%emt 0:00:29]} 64. Rf3 {[%emt 0:00:47]} Rh8 {[%emt 0:00:24]} 65. Rf4 {[%emt 0:01:03]} Kd5 {[%emt 0:01:24]} 66. Kf3 {[%emt 0:00:33]} Rf8 {[%emt 0:00:49]} 67. Ke2 {[%emt 0:00:23]} Rh8 {[%emt 0:00:41]} 68. Kd3 {[%emt 0:00:14]} Ke6 {[%emt 0:00:13]} 69. e4 {[%emt 0:00:52]} Ra8 {[%emt 0:00:17]} 70. exf5+ {[%emt 0:00:28]} gxf5 {[%emt 0:00:10]} 71. h5 {[%emt 0:00:05]} Ra3+ {[%emt 0:00:15]} 72. Kc4 {[%emt 0:00:14]} Rh3 {[%emt 0:00:07]} 73. Kc5 {[%emt 0:01:15]} Rxh5 {[%emt 0:00:12]} 74. Rf3 {[%emt 0:00:28]} f4+ {[%emt 0:01:28]} 75. Kc4 {[%emt 0:00:31]} Rf5 {[%emt 0:00:52]} 76. Ra3 {[%emt 0:00:10]} Kd6 {[%emt 0:00:15]} 77. Ra6+ {[%emt 0:00:09]} Kd7 {[%emt 0:00:03]} 78. Rh6 {[%emt 0:00:15]} f3 {[%emt 0:00:21]} 79. Kd3 {[%emt 0:00:14]} Rf7 {[%emt 0:00:25]} 80. Ke4 {[%emt 0:00:16]} Kc7 {[%emt 0:01:34]} 81. Rh3 {[%emt 0:00:53]} Kd6 {[%emt 0:00:08]} 82. Rxf3 {[%emt 0:00:10]} Re7+ {[%emt 0:00:08]} 83. Kd3 {[%emt 0:00:00]} Re1 {[%emt 0:00:09]} 84. Re3 {[%emt 0:00:38]} Rf1 {[%emt 0:00:16]} 85. Ke2 {[%emt 0:01:40]} Ra1 {[%emt 0:00:02]} 86. Re5 {[%emt 0:00:57]} Ra3 {[%emt 0:00:09]} 87. Rb5 {[%emt 0:00:25]} Ke6 {[%emt 0:00:09]} 88. f3 {[%emt 0:00:22]} Kd6 {[%emt 0:00:13]} 89. Kf2 {[%emt 0:00:51]} Rd3 {[%emt 0:00:30]} 90. Rb4 {[%emt 0:00:11]} Ke6 {[%emt 0:00:44]} 91. Kg3 {[%emt 0:00:08]} Kf5 {[%emt 0:00:23]} 92. Rb5+ {[%emt 0:00:04]} Ke6 {[%emt 0:00:07]} 93. Re5+ {[%emt 0:01:19]} Kf6 {[%emt 0:00:07]} 94. Rd5 {[%emt 0:00:45]} Ke6 {[%emt 0:00:14]} 95. Re5+ {[%emt 0:00:02]} Kf6 {[%emt 0:00:09]} 96. Re4 {[%emt 0:00:01]} Kf5 {[%emt 0:00:08]} 97. Kf2 {[%emt 0:01:10]} Ra3 {[%emt 0:00:08]} 98. Ke2 {[%emt 0:00:43]} Ra2+ {[%emt 0:00:19]} 99. Kd3 {[%emt 0:00:30]} Ra3+ {[%emt 0:00:11]} 100. Kc4 {[%emt 0:00:05]} Rxf3 {[%emt 0:00:09]} 101. Re1 {[%emt 0:00:33]} Ra3 {[%emt 0:01:22]} 102. d5 {[%emt 0:00:18]} Kf6 {[%emt 0:02:19]} 103. d6 {[%emt 0:00:36]} Ra2 {[%emt 0:00:19]} 104. Kc5 {[%emt 0:00:18]} Rc2+ {[%emt 0:00:37]} 105. Kb6 {[%emt 0:00:13]} Rb2+ {[%emt 0:00:07]} 106. Kc7 {[%emt 0:00:03]} Rc2+ {[%emt 0:00:09]} 107. Kd8 {[%emt 0:00:14]} Rd2 {[%emt 0:00:13]} 108. Kd7 {[%emt 0:01:56]} Rh2 {[%emt 0:01:53]} 109. Kc7 {[%emt 0:00:41]} Rc2+ {[%emt 0:00:10]} 110. Kd8 {[%emt 0:00:04]} Rd2 {[%emt 0:00:31]} 111. d7 {[%emt 0:00:04]} Kf7 {[%emt 0:00:16]} 112. Rf1+ {[%emt 0:00:34]} Kg7 {[%emt 0:02:09]} 113. Rc1 {[%emt 0:00:09]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.46"]
[White "Trejo Alonso, Rodrigo Alberto"]
[Black "Fernandez Rivero, Karla July"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1696"]
[BlackElo "2025"]
[Annotator "NA"]
[PlyCount "52"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:17:38]} Nf6 {[%emt 0:00:42]} 2. g3 {[%emt 0:00:28]} e6 {[%emt 0:00:33]} 3. Bg2 {[%emt 0:00:22]} d5 {[%emt 0:00:22]} 4. O-O {[%emt 0:00:16]} Be7 {[%emt 0:01:07]} 5. c4 {[%emt 0:00:12]} dxc4 {[%emt 0:00:23]} 6. Qa4+ {[%emt 0:01:00]} c6 {[%emt 0:01:06]} 7. Qxc4 {[%emt 0:00:06]} b5 {[%emt 0:00:14]} 8. Qc2 {[%emt 0:00:24]} Bb7 {[%emt 0:01:13]} 9. d3 {[%emt 0:02:04]} c5 {[%emt 0:03:21]} 10. Nc3 {[%emt 0:02:15]} a6 {[%emt 0:00:43]} 11. Bf4 {[%emt 0:03:33]} Nc6 {[%emt 0:05:38]} 12. a3 {[%emt 0:00:25]} Rc8 {[%emt 0:01:44]} 13. Ne5 {[%emt 0:04:26]} Nd4 {[%emt 0:03:41]} 14. Qd1 {[%emt 0:00:08]} Bxg2 {[%emt 0:08:55]} 15. Kxg2 {[%emt 0:00:06]} Nd5 {[%emt 0:00:33]} 16. e4 {[%emt 0:01:39]} Nxf4+ {[%emt 0:04:59]} 17. gxf4 {[%emt 0:00:10]} O-O {[%emt 0:00:27]} 18. Kh1 {[%emt 0:01:53]} f6 {[%emt 0:05:15]} 19. Nf3 {[%emt 0:01:32]} f5 {[%emt 0:03:51]} 20. Nxd4 {[%emt 0:03:18]} cxd4 {[%emt 0:03:59]} 21. Ne2 {[%emt 0:00:20]} fxe4 {[%emt 0:00:25]} 22. dxe4 {[%emt 0:00:14]} d3 {[%emt 0:01:28]} 23. Ng3 Rxf4 {[%emt 0:00:42]} 24. Qd2 {[%emt 0:00:36]} Rf8 {[%emt 0:02:20]} 25. Rac1 {[%emt 0:03:15]} Rxc1 {[%emt 0:00:28]} 26. Rxc1 {[%emt 0:00:09]} Bg5 {[%emt 0:00:14]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.47"]
[White "Macias Zamora, Jose Armando"]
[Black "Martin Del Campo C., Jorge"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "1488"]
[BlackElo "2019"]
[Annotator "NA"]
[PlyCount "57"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:05]} e6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:21]} cxd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:25]} a6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:19]} Qc7 {[%emt 0:00:23]} 6. a3 {[%emt 0:02:16]} b5 {[%emt 0:01:23]} 7. Bd3 {[%emt 0:14:02]} Nc6 {[%emt 0:01:44]} 8. Nxc6 {[%emt 0:00:17]} dxc6 {[%emt 0:03:24]} 9. O-O {[%emt 0:01:46]} Nf6 {[%emt 0:01:32]} 10. Qe2 {[%emt 0:15:48]} Be7 {[%emt 0:00:12]} 11. e5 {[%emt 0:01:04]} Nd7 {[%emt 0:15:31]} 12. f4 {[%emt 0:02:58]} Nc5 {[%emt 0:01:47]} 13. Ne4 {[%emt 0:01:09]} Nxe4 {[%emt 0:19:03]} 14. Bxe4 {[%emt 0:00:52]} g6 {[%emt 0:01:25]} 15. Kh1 {[%emt 0:07:42]} Bb7 {[%emt 0:00:13]} 16. Bd2 {[%emt 0:06:40]} c5 {[%emt 0:00:31]} 17. Bxb7 {[%emt 0:03:41]} Qxb7 {[%emt 0:00:09]} 18. Ba5 {[%emt 0:00:11]} O-O {[%emt 0:03:08]} 19. Rad1 {[%emt 0:06:48]} Bd8 {[%emt 0:03:27]} 20. Bxd8 {[%emt 0:01:23]} Rfxd8 {[%emt 0:00:09]} 21. Rd6 {[%emt 0:02:05]} Rxd6 {[%emt 0:01:59]} 22. exd6 {[%emt 0:00:03]} Rd8 {[%emt 0:00:08]} 23. Rd1 {[%emt 0:00:48]} Qc6 {[%emt 0:00:11]} 24. Qe5 {[%emt 0:01:07]} a5 {[%emt 0:02:50]} 25. c3 {[%emt 0:10:53]} b4 {[%emt 0:01:25]} 26. axb4 {[%emt 0:01:36]} axb4 {[%emt 0:00:12]} 27. cxb4 {[%emt 0:01:21]} cxb4 {[%emt 0:00:10]} 28. h3 {[%emt 0:01:08]} h5 {[%emt 0:03:00]} 29. Qd4 {[%emt 0:02:29]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.48"]
[White "Garcia de Dios, Jose Antonio"]
[Black "Salazar Moreno, Rafael"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2145"]
[BlackElo "1778"]
[Annotator "NA"]
[PlyCount "79"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:03:33]} d5 {[%emt 0:01:03]} 2. c4 {[%emt 0:00:19]} e6 {[%emt 0:01:23]} 3. Nc3 {[%emt 0:00:39]} Nf6 {[%emt 0:00:39]} 4. cxd5 {[%emt 0:00:31]} exd5 {[%emt 0:00:14]} 5. Bg5 {[%emt 0:00:32]} c6 {[%emt 0:01:59]} 6. e3 {[%emt 0:01:25]} Be7 {[%emt 0:03:06]} 7. Bd3 {[%emt 0:01:02]} Be6 {[%emt 0:04:54]} 8. Nge2 {[%emt 0:07:47]} Nbd7 {[%emt 0:05:57]} 9. O-O {[%emt 0:05:34]} O-O {[%emt 0:03:42]} 10. Qc2 {[%emt 0:02:17]} Re8 {[%emt 0:05:16]} 11. Nf4 {[%emt 0:02:25]} Nf8 {[%emt 0:06:32]} 12. Nxe6 {[%emt 0:04:16]} fxe6 {[%emt 0:01:06]} 13. f3 {[%emt 0:13:28]} N6d7 {[%emt 0:02:57]} 14. Bxe7 {[%emt 0:12:43]} Qxe7 {[%emt 0:00:52]} 15. e4 {[%emt 0:00:25]} Nf6 {[%emt 0:08:03]} 16. e5 {[%emt 0:02:50]} Nh5 {[%emt 0:00:48]} 17. f4 {[%emt 0:00:36]} g6 {[%emt 0:00:39]} 18. g4 {[%emt 0:05:15]} Ng7 {[%emt 0:01:03]} 19. f5 {[%emt 0:00:16]} exf5 {[%emt 0:02:20]} 20. gxf5 {[%emt 0:00:07]} gxf5 {[%emt 0:02:06]} 21. Bxf5 {[%emt 0:05:05]} Nxf5 {[%emt 0:02:14]} 22. Qxf5 {[%emt 0:03:06]} Ne6 {[%emt 0:00:53]} 23. Kh1 {[%emt 0:03:26]} Kh8 {[%emt 0:00:13]} 24. Ne2 {[%emt 0:02:13]} Rf8 {[%emt 0:01:07]} 25. Qh3 {[%emt 0:04:16]} Rae8 {[%emt 0:09:22]} 26. Qh6 {[%emt 0:04:41]} Qg7 {[%emt 0:02:41]} 27. Rxf8+ {[%emt 0:00:23]} Qxf8 {[%emt 0:00:30]} 28. Qh5 {[%emt 0:04:12]} Re7 {[%emt 0:01:39]} 29. Rg1 {[%emt 0:00:58]} Rg7 {[%emt 0:03:35]} 30. Rxg7 {[%emt 0:10:20]} Nxg7 {[%emt 0:00:19]} 31. Qh3 {[%emt 0:00:11]} Qf5 {[%emt 0:01:20]} 32. Qe3 {[%emt 0:01:07]} Ne6 {[%emt 0:01:04]} 33. Kg2 {[%emt 0:00:12]} Qg4+ {[%emt 0:00:39]} 34. Kf2 {[%emt 0:00:23]} Qh4+ {[%emt 0:01:35]} 35. Qg3 {[%emt 0:00:30]} Qe4 {[%emt 0:01:08]} 36. Qf3 {[%emt 0:00:27]} Qh4+ {[%emt 0:00:19]} 37. Kg2 {[%emt 0:00:42]} Qg5+ {[%emt 0:01:24]} 38. Kf2 {[%emt 0:00:37]} Qe7 {[%emt 0:24:49]} 39. Ng1 {[%emt 0:01:11]} c5 40. Ne2 {[%emt 0:00:30]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.49"]
[White "Ocampo, Cristina"]
[Black "Santiago Gonzalez, Frida"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2024"]
[BlackElo "1758"]
[Annotator "NA"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} g6 {[%emt 0:02:49]} 2. d4 {[%emt 0:01:31]} Bg7 {[%emt 0:00:15]} 3. Nc3 {[%emt 0:01:48]} d6 {[%emt 0:00:24]} 4. f4 {[%emt 0:00:38]} Nf6 {[%emt 0:00:35]} 5. Bd3 {[%emt 0:00:23]} O-O {[%emt 0:00:25]} 6. Nf3 {[%emt 0:00:09]} c5 {[%emt 1:29:02]} 7. dxc5 {[%emt 0:02:58]} dxc5 {[%emt 0:00:00]} 8. e5 {[%emt 0:00:06]} Nd5 {[%emt 0:00:00]} 9. Nxd5 {[%emt 0:00:18]} Qxd5 {[%emt 0:00:00]} 10. Qe2 {[%emt 0:00:06]} Bg4 {[%emt 0:00:00]} 11. Be4 {[%emt 0:01:00]} Qd7 {[%emt 0:00:00]} 12. Be3 {[%emt 0:01:11]} Na6 {[%emt 0:00:00]} 13. O-O {[%emt 0:03:00]} Rad8 {[%emt 0:00:00]} 14. c3 {[%emt 0:13:56]} Qc8 {[%emt 0:00:00]} 15. Rad1 {[%emt 0:12:45]} b6 {[%emt 0:00:00]} 16. Qf2 {[%emt 0:03:23]} Nc7 {[%emt 0:00:00]} 17. Qh4 {[%emt 0:03:20]} Bxf3 {[%emt 0:00:00]} 18. Bxf3 {[%emt 0:00:17]} e6 {[%emt 0:00:00]} 19. c4 {[%emt 0:01:44]} f6 {[%emt 0:00:00]} 20. Rxd8 {[%emt 0:05:47]} Qxd8 {[%emt 0:00:00]} 21. Rd1 {[%emt 0:00:11]} Qe8 {[%emt 0:00:00]} 22. Rd6 {[%emt 0:12:04]} Qa4 {[%emt 0:00:00]} 23. f5 {[%emt 0:00:59]} Qxa2 {[%emt 0:00:00]} 24. Bh6 {[%emt 0:09:02]} g5 {[%emt 0:00:00]} 25. Qh5 {[%emt 0:01:17]} Bxh6 {[%emt 0:00:00]} 26. Qxh6 {[%emt 0:00:21]} Qb1+ {[%emt 0:00:00]} 27. Rd1 {[%emt 0:01:27]} Qxf5 {[%emt 0:00:00]} 28. Rd7 {[%emt 0:00:32]} Qb1+ {[%emt 0:00:00]} 29. Kf2 {[%emt 0:01:28]} Ne8 {[%emt 0:00:00]} 30. exf6 {[%emt 0:17:12]} Qxb2+ {[%emt 0:00:00]} 31. Kg3 {[%emt 0:01:29]} Qe5+ {[%emt 0:00:00]} 32. Kh3 {[%emt 0:00:52]} g4+ {[%emt 0:00:00]} 33. Bxg4 {[%emt 0:00:22]} Qe4 {[%emt 0:00:00]} 34. f7+ {[%emt 0:02:07]} Rxf7 {[%emt 0:02:19]} 35. Bxe6 {[%emt 0:00:06]} Kh8 {[%emt 0:00:24]} 36. Rxf7 {[%emt 0:00:26]} Kg8 {[%emt 0:12:17]} 37. Rf3+ 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.50"]
[White "Carreras Mendiolea, Paulina Adri"]
[Black "Lopez De Nava Hernandez, Carlos"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1745"]
[BlackElo "2023"]
[Annotator "NA"]
[PlyCount "232"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:08:42]} 2. Nf3 {[%emt 0:00:18]} Nc6 {[%emt 0:00:03]} 3. d4 {[%emt 0:00:07]} cxd4 {[%emt 0:00:03]} 4. Nxd4 {[%emt 0:00:10]} Nf6 {[%emt 0:00:10]} 5. Nc3 {[%emt 0:00:22]} e5 {[%emt 0:00:06]} 6. Ndb5 {[%emt 0:02:18]} d6 {[%emt 0:00:13]} 7. Bg5 {[%emt 0:01:55]} a6 {[%emt 0:00:12]} 8. Na3 {[%emt 0:00:08]} b5 {[%emt 0:00:01]} 9. Nd5 {[%emt 0:00:17]} Be7 {[%emt 0:00:03]} 10. Bxf6 {[%emt 0:17:49]} Bxf6 {[%emt 0:00:03]} 11. c3 {[%emt 0:00:05]} Bg5 {[%emt 0:00:10]} 12. Nc2 {[%emt 0:00:32]} O-O {[%emt 0:00:12]} 13. Be2 {[%emt 0:00:57]} g6 {[%emt 0:02:15]} 14. O-O {[%emt 0:14:48]} Ne7 {[%emt 0:04:02]} 15. a4 {[%emt 0:11:09]} Nxd5 {[%emt 0:05:41]} 16. Qxd5 {[%emt 0:00:14]} Be6 {[%emt 0:00:08]} 17. Qd1 {[%emt 0:00:24]} bxa4 {[%emt 1:16:56]} 18. Rxa4 {[%emt 0:01:12]} a5 {[%emt 0:00:00]} 19. Bc4 {[%emt 0:12:02]} Bxc4 {[%emt 0:00:00]} 20. Rxc4 {[%emt 0:00:15]} Qb6 {[%emt 0:00:00]} 21. b4 {[%emt 0:04:58]} Rac8 {[%emt 0:00:00]} 22. Qd5 {[%emt 0:02:48]} axb4 {[%emt 0:00:00]} 23. Nxb4 {[%emt 0:00:22]} Rc5 {[%emt 0:00:00]} 24. Qd3 {[%emt 0:13:51]} Rfc8 {[%emt 0:00:00]} 25. Rxc5 {[%emt 0:00:49]} dxc5 {[%emt 0:00:00]} 26. Nd5 {[%emt 0:00:30]} Qa5 {[%emt 0:00:00]} 27. h4 {[%emt 0:02:06]} Bxh4 {[%emt 0:00:00]} 28. Qh3 {[%emt 0:00:11]} Qd8 {[%emt 0:00:00]} 29. Rd1 {[%emt 0:00:55]} c4 {[%emt 0:00:00]} 30. g3 {[%emt 0:01:48]} Bg5 {[%emt 0:00:00]} 31. Nf6+ {[%emt 0:00:14]} Bxf6 {[%emt 0:00:00]} 32. Rxd8+ {[%emt 0:00:19]} Rxd8 {[%emt 0:00:00]} 33. Qf1 {[%emt 0:00:17]} Rd3 {[%emt 0:00:03]} 34. Qa1 {[%emt 0:00:11]} Bg5 {[%emt 0:01:35]} 35. Qa5 {[%emt 0:01:42]} f6 {[%emt 0:00:22]} 36. Qa8+ {[%emt 0:01:21]} Kg7 {[%emt 0:00:11]} 37. Qa5 {[%emt 0:05:15]} Kh6 {[%emt 0:01:41]} 38. Qb4 {[%emt 0:00:45]} Bd2 {[%emt 0:01:23]} 39. Qxc4 {[%emt 0:01:50]} Rxc3 {[%emt 0:00:08]} 40. Qe6 {[%emt 0:00:35]} Bg5 {[%emt 0:04:37]} 41. Kg2 {[%emt 0:00:45]} Rd3 {[%emt 0:00:36]} 42. Qf7 {[%emt 0:01:34]} Rd2 {[%emt 0:01:18]} 43. Qf8+ {[%emt 0:02:29]} Kh5 {[%emt 0:00:04]} 44. Kh3 {[%emt 0:00:07]} Rd3 {[%emt 0:00:33]} 45. Qc8 {[%emt 0:01:14]} Kh6 {[%emt 0:00:48]} 46. Qf8+ {[%emt 0:00:13]} Kh5 {[%emt 0:00:03]} 47. Qg7 {[%emt 0:00:21]} Rf3 {[%emt 0:01:03]} 48. Qxh7+ {[%emt 0:00:18]} Bh6 {[%emt 0:00:06]} 49. Qd7 {[%emt 0:00:09]} f5 {[%emt 0:00:36]} 50. exf5 {[%emt 0:01:38]} gxf5 {[%emt 0:00:01]} 51. Qe7 {[%emt 0:00:39]} Rxf2 {[%emt 0:00:47]} 52. Qxe5 {[%emt 0:00:32]} Kg6 {[%emt 0:00:26]} 53. Qd6+ {[%emt 0:00:22]} Kh5 {[%emt 0:00:26]} 54. Qd4 {[%emt 0:00:37]} Rd2 {[%emt 0:00:21]} 55. g4+ {[%emt 0:00:28]} Kg6 {[%emt 0:00:26]} 56. Qb6+ {[%emt 0:00:18]} Kg7 {[%emt 0:01:11]} 57. gxf5 {[%emt 0:00:33]} Rd3+ {[%emt 0:00:39]} 58. Kg4 {[%emt 0:00:06]} Bd2 {[%emt 0:00:28]} 59. Qg6+ {[%emt 0:00:20]} Kf8 {[%emt 0:00:18]} 60. f6 {[%emt 0:00:22]} Rd7 {[%emt 0:00:41]} 61. Kf5 {[%emt 0:00:24]} Bb4 {[%emt 0:00:23]} 62. Ke6 {[%emt 0:01:22]} Rd6+ {[%emt 0:00:02]} 63. Ke5 {[%emt 0:00:08]} Rd7 {[%emt 0:00:10]} 64. Qh6+ {[%emt 0:00:22]} Kg8 {[%emt 0:00:35]} 65. Qg6+ {[%emt 0:00:50]} Kf8 {[%emt 0:00:02]} 66. Qg4 {[%emt 0:00:41]} Bc3+ {[%emt 0:01:34]} 67. Ke6 {[%emt 0:00:16]} Rc7 {[%emt 0:00:22]} 68. Qe4 {[%emt 0:00:55]} Bxf6 {[%emt 0:00:53]} 69. Kxf6 {[%emt 0:00:25]} Rf7+ {[%emt 0:00:09]} 70. Kg6 {[%emt 0:00:09]} Rg7+ {[%emt 0:00:06]} 71. Kh6 {[%emt 0:00:07]} Re7 {[%emt 0:00:17]} 72. Qd5 {[%emt 0:01:14]} Re8 {[%emt 0:01:35]} 73. Qd6+ {[%emt 0:00:35]} Kf7 {[%emt 0:00:20]} 74. Qd7+ {[%emt 0:00:26]} Re7 {[%emt 0:00:03]} 75. Qf5+ {[%emt 0:00:06]} Ke8 {[%emt 0:00:33]} 76. Qd5 {[%emt 0:00:45]} Rd7 {[%emt 0:00:17]} 77. Qc6 {[%emt 0:00:34]} Ke7 {[%emt 0:00:16]} 78. Kg5 {[%emt 0:00:35]} Rd6 {[%emt 0:00:13]} 79. Qc5 {[%emt 0:00:05]} Ke6 {[%emt 0:00:20]} 80. Kf4 {[%emt 0:00:26]} Rd5 {[%emt 0:00:42]} 81. Qc4 {[%emt 0:00:15]} Kd6 {[%emt 0:00:20]} 82. Ke4 {[%emt 0:00:17]} Re5+ {[%emt 0:00:45]} 83. Kd4 {[%emt 0:00:57]} Rf5 {[%emt 0:00:26]} 84. Qa6+ {[%emt 0:00:48]} Ke7 {[%emt 0:00:16]} 85. Qg6 {[%emt 0:00:38]} Rf6 {[%emt 0:00:12]} 86. Qg7+ {[%emt 0:00:24]} Ke6 {[%emt 0:00:15]} 87. Ke4 {[%emt 0:00:11]} Rf7 {[%emt 0:02:13]} 88. Qg4+ {[%emt 0:00:57]} Kf6 {[%emt 0:00:41]} 89. Qf5+ {[%emt 0:00:14]} Kg7 {[%emt 0:00:28]} 90. Qg5+ {[%emt 0:00:23]} Kf8 {[%emt 0:00:06]} 91. Ke5 {[%emt 0:00:11]} Re7+ {[%emt 0:00:38]} 92. Kf6 {[%emt 0:00:13]} Rf7+ {[%emt 0:00:48]} 93. Ke6 {[%emt 0:00:10]} Rf1 {[%emt 0:00:30]} 94. Qg6 {[%emt 0:01:46]} Re1+ {[%emt 0:00:18]} 95. Kf6 {[%emt 0:00:38]} Rf1+ {[%emt 0:00:12]} 96. Ke5 {[%emt 0:00:30]} Re1+ {[%emt 0:00:11]} 97. Kf4 {[%emt 0:00:16]} Rf1+ {[%emt 0:00:11]} 98. Ke3 {[%emt 0:00:13]} Rf7 {[%emt 0:00:28]} 99. Ke4 {[%emt 0:00:08]} Rg7 {[%emt 0:00:27]} 100. Qf6+ {[%emt 0:00:09]} Rf7 {[%emt 0:00:14]} 101. Qh6+ {[%emt 0:00:14]} Ke8 {[%emt 0:01:15]} 102. Qg6 {[%emt 0:01:12]} Kf8 {[%emt 0:00:35]} 103. Ke5 {[%emt 0:00:13]} Rf1 {[%emt 0:00:27]} 104. Qg2 {[%emt 0:01:06]} Rf7 {[%emt 0:00:29]} 105. Qg6 {[%emt 0:00:57]} Rf1 {[%emt 0:00:11]} 106. Qh6+ {[%emt 0:00:35]} Kg8 {[%emt 0:00:50]} 107. Qa6 {[%emt 0:00:31]} Rf7 {[%emt 0:00:26]} 108. Qg6+ {[%emt 0:00:25]} Kf8 {[%emt 0:00:14]} 109. Ke6 {[%emt 0:00:32]} Rf1 {[%emt 0:00:41]} 110. Qh6+ {[%emt 0:00:33]} Kg8 {[%emt 0:00:34]} 111. Qg6+ {[%emt 0:00:24]} Kf8 {[%emt 0:00:06]} 112. Qh6+ {[%emt 0:00:35]} Kg8 {[%emt 0:00:06]} 113. Qg6+ {[%emt 0:00:28]} Kf8 {[%emt 0:02:44]} 114. Qh6+ {[%emt 0:01:05]} Kg8 {[%emt 0:00:30]} 115. Qg5+ {[%emt 0:00:30]} Kf8 {[%emt 0:00:30]} 116. Qg6 {[%emt 0:00:30]} Re1+ {[%emt 0:00:30]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.17"]
[Round "6.51"]
[White "Huguet, Sergio"]
[Black "Munoz Ricardo, Wasdin Antonio"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1977"]
[BlackElo "1745"]
[Annotator "NA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 1:31:00]} d5 {[%emt 1:31:00]} 2. Bf4 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 3. e3 {[%emt 0:00:30]} Bf5 {[%emt 0:00:30]} 4. c4 {[%emt 0:00:30]} Bxb1 {[%emt 0:00:30]} 5. Qxb1 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 6. a3 {[%emt 0:00:30]} a5 {[%emt 0:00:30]} 7. Nf3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 8. Bd3 {[%emt 0:00:30]} Nbd7 {[%emt 0:00:30]} 9. O-O {[%emt 0:00:30]} dxc4 {[%emt 0:00:30]} 10. Bxc4 {[%emt 0:00:30]} Nb6 {[%emt 0:00:30]} 11. Bd3 {[%emt 0:00:30]} Nbd5 {[%emt 0:00:30]} 12. Bg3 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 13. e4 {[%emt 0:00:30]} Nb6 {[%emt 0:00:30]} 14. h3 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 15. Qc1 {[%emt 0:00:30]} Nh5 {[%emt 0:00:30]} 16. Be5 {[%emt 0:00:30]} f6 {[%emt 0:00:30]} 17. Bh2 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 18. g4 {[%emt 0:00:30]} Ng7 {[%emt 0:00:30]} 19. Qe3 {[%emt 0:00:30]} exd4 {[%emt 0:00:30]} 20. Nxd4 {[%emt 0:00:30]} Bc5 {[%emt 0:00:30]} 21. Nxc6 {[%emt 0:00:30]} Bxe3 {[%emt 0:00:30]} 22. Nxd8 {[%emt 0:00:30]} Rxd8 {[%emt 0:00:30]} 23. Bb5+ {[%emt 0:00:30]} Ke7 {[%emt 0:00:30]} 24. fxe3 {[%emt 0:00:30]} h5 {[%emt 0:00:30]} 25. Bc7 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 26. Bxd8+ {[%emt 0:00:30]} Rxd8 {[%emt 0:00:30]} 27. Rad1 {[%emt 0:00:30]} hxg4 {[%emt 0:00:30]} 28. Bxd7 {[%emt 0:00:30]} Rxd7 {[%emt 0:00:30]} 29. Rxd7+ {[%emt 0:00:30]} Kxd7 {[%emt 0:00:30]} 30. Rxf6 {[%emt 0:00:30]} gxh3 {[%emt 0:00:30]} 31. Rf7+ {[%emt 0:00:30]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.1"]
[White "Mareco, Sandro"]
[Black "Santos Latasa, Jaime"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2643"]
[BlackElo "2640"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,110,0,10,-3,11,0,0,0,0,0,0,1,0,2,14,8,17,6,9,11,17,13,69,66,72,62,72,60,57,63,79,69,68,69,106,108,126,133,147,153,147,148,147,149,205,186,326,305,1005,182,305,246,247,249,249,181,186,177,177,177,237,227,262,263,239,235,302,290,284,247,367,163,361,359,587,587,541,533,699,64,61,8,54,8,8,8,8,8,8,8,8,0,8,8,8,8,8,8,8,8,8,0,0]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. Nbd2 Bd6 5. e3 O-O 6. c3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} b6 7. Ne5 c5 8. h4 Qc7 9. h5 Nbd7 {[%cal Rd7e5]} 10. Ndf3 {[#]} Ne4 $146 ({Predecessor:} 10... cxd4 11. exd4 Ne4 12. Bd3 Nxe5 13. Bxe5 Bxe5 14. Nxe5 f6 15. Ng4 e5 16. Ne3 exd4 17. cxd4 {½-½ (41) Van Foreest,J (2667)-Kriebel,T (2524) Prague 2020}) 11. Bd3 f6 12. Nxd7 Qxd7 13. Bxd6 Qxd6 14. Qc2 Bb7 15. O-O-O Rac8 (15... c4 $11 16. Bxe4 dxe4) 16. dxc5 $1 $14 Qxc5 {[#]} 17. Nd4 $1 {Threatens to win with Bxe4.} Qe7 $1 18. f3 Ng5 (18... e5 $2 19. Nf5 Qe6 20. fxe4 $18) 19. f4 Ne4 20. g4 Rfe8 21. Rhg1 Kh8 22. Kb1 a6 23. h6 g6 24. Bxe4 dxe4 {[#]} 25. f5 $1 e5 26. Ne6 {White is more active.} Rg8 (26... a5 $16 {was necessary.} 27. Rd2 Bc6) 27. Rg2 gxf5 (27... Bc6 $142) 28. gxf5 $18 Bc6 $2 (28... Rxg2 29. Qxg2 Rg8) 29. Rgd2 $2 (29. Rg7 Qe8 30. Qh2) 29... Rg4 (29... Be8 $142 30. Qxe4 Bh5) 30. Ng7 {aiming for Qb3.} Rg3 31. Qb3 Rxe3 32. Qc4 {[%cal Oc4c6] Prevents Rd3. White wants to mate with Qxc6!} (32. Qxb6 $6 Rd3 $16) 32... Rd3 33. Rxd3 exd3 34. Qxd3 $40 {[%mdl 128] White wants a kill.} (34. Qxa6 Qd7 35. Qxb6 (35. Qxd3 $2 Be4 $19) 35... Qd5 $17) 34... b5 (34... Qf7 $142 35. Qd6 (35. Qxa6 Ra8 $16) 35... Bf3) 35. Qd6 Qxd6 36. Rxd6 {[%mdl 4096] Endgame KRB-KRN} Kg8 (36... Be4+ $2 37. Kc1 $16) 37. Kc1 {And now Nh5 would win.} ({But not} 37. Rxf6 $6 b4 38. Kc2 bxc3 39. bxc3 (39. Kxc3 Bd5+ 40. Kd3 Bxa2 $16) 39... Be4+ 40. Kd2 a5) 37... Be4 38. Rxf6 b4 39. Kd2 ({Don't take} 39. Rxa6 $6 bxc3 40. a4 c2 $16) 39... a5 (39... bxc3+ {might work better.} 40. bxc3 a5) 40. Re6 (40. Ne6 $142) 40... Bd5 $2 (40... Bb1) 41. Rxe5 Bxa2 (41... bxc3+ {was called for.} 42. bxc3 Rd8) 42. Rxa5 bxc3+ 43. bxc3 Bb3 44. Ra7 $2 (44. Ne6 $18 Bxe6 45. fxe6) 44... Rc6 $14 45. Rb7 ({White should try} 45. Nh5 $14 Rxh6 46. Ng3) 45... Ba2 (45... Rxh6 $11 46. Rxb3 Rh2+ 47. Ke3 Kxg7) 46. Ne6 (46. Nh5 $14 Rxh6 47. Ng3) 46... Bxe6 $11 {The position is equal.} 47. fxe6 Rxe6 {KR-KR} 48. c4 Rxh6 49. Kc3 Kf8 50. c5 Ke8 51. Kc4 Kd8 52. Kb5 Kc8 53. Rg7 Rg6 54. Rxh7 Rf6 55. c6 {Intending Kb6 and mate.} Rf1 {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.37/Black=0.29 (precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.2"]
[White "Meier, Georg"]
[Black "Cori, Jorge"]
[Result "1/2-1/2"]
[ECO "E08"]
[WhiteElo "2631"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 32,93,56,55,56,54,54,0,66,37,47,43,38,37,44,36,46,33,42,39,43,39,36,0,35,35,35,39,92,35,53,35,41,39,50,42,31,0,64,0,38,0,35,35,35,0,35,35,36,0,43,0,34,0,35,0,25,0,25,25,147,150,180,141]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O Nbd7 7. Qc2 c6 8. b3 b6 9. Rd1 Bb7 10. Nc3 Rc8 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Nf6 14. Qc2 Bd6 15. Bb2 Qe7 16. Re1 Rfd8 17. Rad1 h6 {[#] E08: Closed Catalan: Main Line: 7 Qc2.} 18. Bh3 $146 ({Predecessor:} 18. Qb1 Qc7 19. Qc1 Be7 20. Qe3 Kf8 21. Bh3 Re8 22. Ne5 Rcd8 23. c5 Nd5 24. Qe4 Nf6 25. Qc2 bxc5 26. Nxf7 Kxf7 27. Bxe6+ {1-0 (35) Harika,D (2467)-Sukandar,I (2304) Kolkata 2009}) 18... Re8 19. Bg2 ({White should try} 19. Ne5 $14) 19... Qc7 (19... Red8 $1 $11) 20. Nd2 {[%cal Bf3d2,Bd2f1,Bf1e3][%mdl 32]} Rcd8 21. Nf1 Be7 22. Ne3 a5 23. a3 Rd7 24. Rd3 Rdd8 25. Red1 Qc8 26. Qc1 Rd7 27. Qc2 Red8 28. a4 Re8 29. Bc3 {[%cal Oc4c5]} Red8 {[#]} (29... Qc7 $14) 30. R3d2 ({White should play} 30. c5 $1 $16) 30... Qa8 31. Bb2 Bb4 32. Rd3 {[%cal Od4d5] Hoping for d5!} Be7 33. Qe2 Re8 34. Qc2 Red8 ({Better is} 34... Qc8 $11) 35. Qe2 (35. f4 $5 {[%cal Rf4f5]}) 35... Re8 36. Qc2 Qd8 37. Bc3 Qc7 38. Bb2 Red8 39. Qe2 Ba6 40. Qc2 Bb7 41. Qe2 Ba6 42. Qc2 Bb7 43. Qe2 Ba6 44. Qc2 Bb7 45. f4 c5 (45... Bb4 $11 {remains equal.}) 46. d5 $16 exd5 {[#] And now ...d4 would win.} 47. cxd5 {Weighted Error Value: White=0.19 (very precise) /Black=0.20 (precise)} ({Much less strong is} 47. Nxd5 $6 Nxd5 48. cxd5 (48. Bxd5 Bf8 $11) 48... Bf8 $14) 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.3"]
[White "Fier, Alexandr"]
[Black "Vazquez, Guillermo"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2583"]
[BlackElo "2545"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,130,4,7,5,14,7,0,0,14,6,4,4,18,0,0,0,0,0,0,0,0,0,0,0,4,17,17,14,16,-40,-68,-52,-45,-92,-127,-113,-113,-144,-134,-145,-129,-151,-131,-156,-156,-239,-211,-272,-262,-265,-261,-295,-288,-309,-300,-359,-371,-420,-405,-550,-561,-820,-341,-321,-337,-346,-325,-332,-326,-346,-345,-353,-349,-339,-327,-329,-325,-462,-474,-645,-516,-798,-508,-796,-514,-501,-343,-470,-457,-29981,-554,-585,-523,-577,-552,-509,-529,-690,-690,-690,-676,-648,-627,-488,-416,-2025,-1873,-29958,-29959,-29967,-29967,-29967,-29964,-29974,-29977,-29983,-29981,-29981,-29982,-29983,-29984,-29983,-29984]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 {[%cal Oe5e6] B12: Caro-Kann: Advance Variation.} Qa5+ 7. Nd2 {[%cal Oe5e6]} e6 $1 8. Ngf3 {The position is equal.} Ne7 9. O-O {[%cal Ob2b4]} Nf5 10. Nb3 {seems to push 10.c4 aside.} Qb5 11. Qd1 c5 12. a4 Qb6 13. dxc5 Bxc5 14. Nxc5 Qxc5 15. c3 Nc6 {[#]} 16. Re1 $146 ({Predecessor:} 16. Bg5 O-O 17. Re1 Rfc8 18. Nd2 g6 19. g4 Ng7 20. Re3 Qf8 21. Bf6 hxg4 22. Qxg4 {1-0 (47) Isanzhulov,A (2338)-Burmakin,V (2510) Almaty 2022}) 16... Rd8 {[%cal Ba8d8,Bd8d7,Bd7c7][%mdl 32]} 17. Bg5 Rd7 18. Rc1 {[%cal Of3d4]} Qb6 19. Nd4 (19. b4 $11) 19... Ncxd4 $15 20. cxd4 Rc7 {Prevents Rc8+.} 21. Rc3 (21. a5 $15 {was preferrable.} Rxc1 22. Qxc1) 21... Kd7 $17 {Black continues to play with concentration.} 22. Qd3 {[#]} Rhc8 $1 (22... Nxd4 $2 23. Be3 $18) 23. Rec1 Qxb2 {[%cal Rc7c3]} (23... Nxd4 24. Be3 Qxb2 25. Rxc7+ (25. Bxd4 Rxc3 26. Rxc3 Rxc3 $14) 25... Rxc7 26. Rxc7+ Kxc7 27. Bxd4 Qc1+ 28. Kh2 $16) 24. Rxc7+ Rxc7 {Dancing on a razor blade.} 25. Rb1 Qc2 {Black is more active.} 26. Qb5+ Qc6 {And now ...Qxb5 would win.} 27. Qb4 (27. Qb3 $17) 27... Qb6 28. Qe1 Qxd4 29. Qe2 {White wants to mate with Qb5+.} f6 ({Not} 29... Qxa4 30. Qxh5 b6 31. Qxf7+ Kc8 32. Qxe6+ Qd7 33. Qg8+ Kb7 34. Re1 $16) 30. exf6 gxf6 31. Bd2 Qg4 ({Stronger than} 31... Qxa4 32. Qxh5 Nd6 33. Re1 $17) ({Wrong is} 31... Qxh4 $2 32. Qb5+ Kd8 33. Re1 $19) 32. Qb5+ Ke7 33. g3 Nd4 34. Qb4+ Kf7 35. Qd6 Nf3+ (35... Rc2 $142 36. Bh6 Kg6) 36. Kg2 $19 Nxh4+ 37. Kh2 Nf3+ 38. Kg2 Re7 39. Bb4 Nh4+ $1 40. Kg1 Nf5 41. Qd8 Re8 42. Qd7+ Ne7 43. Bd6 (43. Bxe7 {might work better.} Rxe7 44. Qc8) 43... h4 {Hoping for ...Qe4.} 44. Qxb7 hxg3 45. Bxg3 (45. Rb3 $142 Qd1+ 46. Kg2 gxf2 47. Kxf2) 45... Qxa4 46. Rc1 (46. Qb4 $142 Qc2 47. Re1) 46... a5 {White must now prevent ...Rh8.} 47. Rc7 Qb4 {To avoid Bd6} 48. Qa6 Rh8 49. Kf1 {[#] Inhibits Qe1+.} (49. Kg2 $19) 49... e5 (49... Qe4 $142 50. Rxe7+ Kg6 51. Rg7+ Kxg7 52. Qa7+ Kg6 53. Qe3 Rh1+ 54. Ke2 Qg4+ 55. Kd2 Qd1+ 56. Kc3 d4+ 57. Qxd4 Qa1+ 58. Kc4 Rc1+ 59. Kd3 Rd1+ 60. Ke2 Qxd4 61. f4 Qd3+ 62. Kf2 Rd2+ 63. Kg1 Qxg3+ 64. Kh1 Qh2#) 50. Qd3 Qe4 51. Qxe4 dxe4 {[%mdl 4096] Endgame KRB-KRN} 52. Ra7 Ke6 53. Rxa5 Nf5 54. Ra6+ Kf7 55. Ra7+ Kg6 56. Kg2 Rg8 57. Bh2 (57. Kh3 $142) 57... Nh4+ 58. Kh3 Nf3 {Black mates.} 59. Bg3 f5 {[%cal Bf6f5,Bf5f4][%mdl 32]} 60. Ra6+ Kg5 61. Kg2 f4 62. Bh2 Rh8 63. Bg1 Kf5 64. Kf1 Rg8 65. Ke2 Nxg1+ {Weighted Error Value: White=0.56/Black=0.51} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.4"]
[White "Valdes Romero, Leonardo"]
[Black "Alonso Rosell, Alvar"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2404"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,0,0,0,0,0,22,0,0,-39,-41,-48,-46,-50,-50,-39,-38,-57,-56,-54,-43,-41,-28,-28,5,6,9,10,102,95,148,118,123,140,233,238,245,255,242,224,218,0,102,0,220,0]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 O-O 6. Be2 {A28: English Opening: Four Knights Variation.} Re8 7. O-O d6 {[%cal Bd7d6,Bd6d5][%mdl 32]} 8. b3 {The position is equal.} Bg4 {[#]} 9. Bb2 $146 ({Predecessor:} 9. Re1 e4 10. Nd4 Bxc3 11. Nxc6 bxc6 12. Qxc3 Bxe2 13. Rxe2 Ng4 14. f4 exf3 15. gxf3 {1-0 (61) Cossin,S (2059)-Glicenstein,A (2124) Avignon 1999}) 9... e4 10. Nd4 Nxd4 11. exd4 Bxe2 12. Nxe2 {And now a3 would win.} d5 13. c5 {a3 is the strong threat.} c6 14. Bc3 Bxc3 15. Qxc3 Nh5 16. f4 exf3 17. Qxf3 Nf6 18. Ng3 Kh8 (18... Qc7 $11 {remains equal.}) 19. Nf5 $1 $16 Ne4 ({Better is} 19... Re4) 20. d3 $1 ({Weaker is} 20. Nxg7 Kxg7 21. d3 Nf6 22. Qg3+ Kh8 $17) 20... Ng5 21. Qg4 f6 {[#]} (21... Rf8 $16 {was called for.}) 22. h4 $1 $18 Ne6 23. Rae1 {[%cal Oe1e6] Hoping for Rxe6!} Qd7 24. Nd6 Re7 25. Nf5 (25. Re3 $18 {and White stays clearly on top.}) 25... Ree8 $16 26. Nd6 {White is much more active.} (26. Qg3 $16) 26... Re7 $18 {[#]} 27. Nf5 $2 {Weighted Error Value: White=0.17 (very precise) /Black=0.18 (very precise)} ({Only move:} 27. Re3 $1 $18) 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.5"]
[White "Albornoz Cabrera, Carlos Daniel"]
[Black "Diaz Perez, Michel Alejandro"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2567"]
[BlackElo "2459"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,88,0,58,52,41,18,53,26,33,47,48,47,60,43,39,48,77,95,84,78,67,87,87,93,81,51,53,50,76,65,76,81,79,59,50,47,59,42,54,66,80,54,52,55,85,72,72,76,90,97,168,0,0,-20,-11,-18,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. a4 g6 ({Black should play} 12... Na5 $11) 13. Ng5 {C92: Closed Ruy Lopez: 9...Be6, Karpov and Flohr-Zaitsev Variations.} Re7 14. d5 (14. Ndf3 {with more complications.} Qe8 15. Nxf7 Rxf7 16. axb5 axb5 17. Rxa8 Bxa8 18. Bg5) 14... Nb8 {[%cal Bc6b8,Bb8d7,Bd7c5][%mdl 32]} 15. Qe2 {White is slightly better.} h6 16. Ngf3 Nbd7 17. axb5 axb5 18. Rxa8 Qxa8 19. Qxb5 Nc5 {To avoid Qa4} 20. Bc2 $1 c6 {[#]} 21. dxc6 Bxc6 22. Qe2 {[#]} d5 $146 ({Predecessor:} 22... Ra7 23. b4 Na4 24. Qe3 Rc7 25. c4 Bd7 26. Bb3 Be6 27. Qd3 Nd7 28. Nf1 Ndb6 {1-0 (50) Ernst,T (2540)-Lundberg,O Stockholm 1992}) 23. exd5 Bxd5 24. Nc4 e4 {[#]} 25. Nb6 $1 Qa2 (25... exf3 $2 26. Qxe7 Bxe7 27. Nxa8 $18) (25... Qa1 26. Nxd5) 26. Nxd5 Nxd5 27. Nd4 Nd3 28. Bb3 Qa8 29. Rd1 Qb7 30. Bc4 Nxc1 31. Rxc1 Bg7 32. Rd1 {[%cal Od4f5]} Nf4 33. Qe3 Qc7 34. b3 Kh7 35. h4 f5 36. Ra1 {And now Ra8 would win.} Rd7 {[#]} (36... h5 $16 37. Ra3 Rd7) 37. Ne2 $2 (37. g3 $1 $18 {[%cal Rg3f4]} Bxd4 38. cxd4) 37... Nxe2+ $11 {The position is equal.} 38. Qxe2 Bxc3 39. Rd1 h5 40. Rxd7+ Qxd7 41. g3 Qd2 42. Qxd2 Bxd2 43. Kf1 Bb4 44. Ke2 Kg7 {Weighted Error Value: White=0.12 (very precise) /Black=0.13 (very precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.6"]
[White "Sanchez Alvarez, Roberto Carlos"]
[Black "Cuenca Jimenez, Jose Fernando"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2407"]
[BlackElo "2552"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,57,35,37,46,44,39,41,49,0,0,0,3,5,4,0,0,0,0,0,0,0,8,13,28,16,19,10,24,11,52,52,52,52,42,35,46,0,0,0,29991,-1178]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Qc2 a6 9. cxd5 exd5 10. Bd3 b6 {D35: Queen's Gambit Declined: Exchange Variation.} 11. O-O Bb7 12. Rad1 Re8 {White is slightly better.} 13. Ne5 (13. Rfe1 $14) 13... Nxe5 $11 14. dxe5 Ng4 {[%csl LRe5,LRh4]} 15. Bg3 Bh4 $1 {[#]} 16. Bxh4 $146 ({Predecessor:} 16. Bh7+ Kh8 17. Bf5 Bxg3 18. hxg3 Nxe5 19. Nxd5 Bxd5 20. e4 c6 21. exd5 cxd5 22. Be4 Rc8 23. Qa4 Rc4 {0-1 (23) Degenhard,S (2138)-Krockenberger,M (2149) Wuerttemberg 2019}) 16... Qxh4 {[%csl Gg4][%cal Rh4h2]} 17. h3 Nxe5 18. Nxd5 Nxd3 19. Rxd3 Qg5 20. Rfd1 {Active counter play!} c5 21. e4 {[%cal Be3e4,Be4d5,Bd5d6,Bd6d7][%mdl 32] Rg3 is the strong threat.} Bxd5 22. exd5 Qf5 23. d6 {Threatens to win with d7.} Qd7 (23... Rad8 $1 $11) 24. Rb3 Rab8 25. Qc4 Re6 26. Rbd3 Qb5 27. Qf4 (27. Qc2 $14) 27... Qxb2 28. d7 Qb5 $2 {[%mdl 8192] [#]} 29. Qc4 $4 {[%mdl 40960] Weighted Error Value: White=0.06 (flawless) /Black=0.35. An unexpected result.} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.7"]
[White "Obregon Rivero, Juan Carlos"]
[Black "Berdayes Ason, Dylan Isidro"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2536"]
[BlackElo "2445"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,93,24,23,29,17,5,5,20,17,21,14,18,17,19,18,30,27,51,41,52,63,57,57,59,57,61,61,60,59,60,60,77,78,75,57,68,66,55,55,50,50,78,75,114,103,169,138,134,134,142,139,131,134,194,204,222,235,202,118,236,235,235,233,225,205,297,283,279,278,269,200,440,433,686,706,664,790,809,789,29994,29974,29965,29961,29996,29997]} 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 Nc6 5. O-O d6 6. a4 a6 {C50: Hungarian Defence and Giuoco Pianissimo.} 7. a5 Ba7 {[#]} 8. Be3 $146 ({Predecessor:} 8. c3 O-O 9. h3 h6 10. Be3 Re8 11. Qb3 Qe7 12. Nbd2 Rb8 13. Bxa7 Nxa7 14. d4 {½-½ (58) Esipenko,A (2714)-Nakamura,H (2736) Berlin 2022}) 8... O-O {The position is equal.} 9. Bxa7 Rxa7 10. Re1 Re8 11. c3 Be6 12. Nbd2 {[%cal Bb1d2,Bd2c4,Bc4e5][%mdl 32]} Bxc4 13. dxc4 Ne7 14. c5 Ng6 15. Nc4 {[%cal Rc5d6]} dxc5 16. Qxd8 Rxd8 17. Nfxe5 Nxe5 18. Nxe5 Raa8 19. f3 Kf8 20. Red1 Ke7 21. Kf2 Nd7 22. Nc4 {White is much more active.} Nf6 23. Ke3 Ne8 24. Kf4 Ke6 25. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Nf6 26. h4 g6 27. g5 Ng8 (27... Ne8 $16) 28. Kg4 h5+ 29. Kf4 Ne7 30. Ke3 Nc6 31. f4 {Inhibits Ne5.} Ne7 (31... Rxd1 $16 32. Rxd1 Rd8) 32. Ne5 $18 Rd6 33. Nd3 {[%cal Rd3c5] [#]} b6 34. Ne5 (34. b3 $18) 34... Nc8 (34... Rad8 $16 35. Rd3 Ra8) 35. Rf1 Rd8 36. axb6 cxb6 37. Nc4 {[#] aiming for f5+.} f5 (37... Nd6 {was necessary.} 38. Nxb6 Ra7) 38. gxf6 b5 39. Ne5 {Black must now prevent Rg1.} Kxf6 40. Rfd1 Nd6 $2 (40... Rd6 {was worth a try.} 41. Ke2 a5 42. Nd7+ Ke7) 41. b3 Kg7 (41... Nb7 $142 42. Rg1 Rg8 43. Nd7+ Kf7) 42. Rg1 Kh7 43. Rxg6 c4 44. Rag1 {Intending R1g5 and mate.} cxb3 45. R1g5 {[%cal Rg5h5] White mates.} Nc4+ 46. Nxc4 bxc4 47. f5 {Weighted Error Value: White=0.07 (flawless) /Black=0.40} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.8"]
[White "Galaviz Medina, Sion Radamantys"]
[Black "Almeida Quintana, Omar"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2374"]
[BlackElo "2535"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,27,39,12,33,37,36,23,54,36,29,26,32,0,0,0,0,0,0,0,5,0,6,0,14,10,16,1,4,0,0,0,4,5,0,0,17,0,0,0,0,-10,-8,-39,-41,-61,-56,-97,-107,-101,-98,-100,-87,-220,-193,-903,-567]} 1. d4 d6 2. c4 e5 3. d5 f5 4. Nc3 g6 5. e4 Bh6 {[#]} 6. Nge2 $146 {A41: 1 d4 d6: Tartakower System and Modern Defence.} ({Predecessor:} 6. Nf3 Bxc1 7. Qxc1 f4 8. h4 Bg4 9. c5 a6 10. Nd2 Ne7 11. f3 Bd7 12. Nc4 {0-1 (55) Singleton,M (2126)-Trevelyan,J (2087) England 2016}) 6... Na6 7. exf5 gxf5 8. Ng3 {White is slightly better.} Qh4 9. Be2 Bxc1 10. Rxc1 Nf6 11. Qc2 (11. O-O $5 {[%cal Rf2f4]}) 11... Rg8 12. Nxf5 Bxf5 13. Qxf5 {[#] Hoping for 0-0.} Rxg2 14. Nd1 Qg5 15. Qxg5 Rxg5 16. Rc3 Kf7 17. Rf1 Re8 18. Rh3 Nc5 19. b4 Ncd7 20. Ne3 Kg8 21. Rg3 Rg6 22. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} a5 23. b5 Kh8 24. h5 Rgg8 25. Rxg8+ Nxg8 {[%cal Bf6g8,Bg8h6,Bh6f5][%mdl 32]} 26. Rg1 Nh6 27. Kd2 Rf8 28. Nd1 (28. Rf1 $15) 28... Rf4 29. Rh1 Nb6 30. Kc3 Nf5 {Black is more active.} 31. Rg1 {[#]} (31. h6 $17 {might work better.}) 31... Nd4 $1 $19 {Pair of Knights!} 32. Bd3 (32. Kd3) 32... Na4+ {Weighted Error Value: White=0.42/Black=0.03 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.9"]
[White "Cordova, Emilio"]
[Black "Jimenez Garcia, Emmanuel"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2534"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,101,13,17,8,18,10,41,41,48,54,103,96,78,93,123,110,147,148,218,209,327,312,327,156,146,149,151,160,161,150,249,210,249,253,244,191,201,200,203,202,187,117,134,141,123,135,140,130,133,108,110,119,113,117,115,138,153,156,149,139,172,0,223,218,233,218,250,263,264,266,245,243,566,562,550,516,1166,1166,1138,980,879,806,619,550,1550,1502,1017,1225,2229,1605,7425,6238,1628,1431]} 1. Nf3 g6 2. d4 Bg7 3. g3 c5 4. c3 Qa5 5. Bg2 cxd4 6. Nxd4 {A40: Unusual replies to 1 d4.} Nc6 {aiming for ...Nxd4.} 7. O-O {[#]} a6 $146 ({Predecessor:} 7... Nf6 8. Na3 O-O 9. Nc4 Qa6 10. Ne3 d6 11. Nxc6 bxc6 12. Qd3 d5 13. c4 Be6 14. cxd5 Qxd3 15. exd3 Nxd5 16. Nxd5 Bxd5 17. Bxd5 cxd5 {½-½ (31) Meskovs,N (2585)-Bernadskiy,V (2629) Ruma 2020}) 8. Nb3 {White is slightly better.} Qc7 9. c4 h5 (9... d6 $14) 10. Nc3 (10. c5 {keeps more tension.} h4 11. Nc3 Qd8 12. Bf4 Nf6 13. Rc1) 10... Bxc3 11. bxc3 h4 12. Bf4 e5 13. Bc1 {[%cal Bf4c1,Bc1a3,Ba3d6][%mdl 32]} Nge7 (13... f5 $16 14. Ba3 Nh6) 14. Ba3 $1 $18 hxg3 (14... h3 {was called for.}) 15. fxg3 ({Less strong is} 15. hxg3 f6 16. Qd3 Kf7 $18) 15... Nf5 16. Rxf5 gxf5 $16 17. Bd6 Qd8 18. Qd3 $1 {Active counter play!} Qf6 19. Rf1 $1 e4 {[#]} (19... f4 $16) 20. Qxe4+ $1 $18 {[%mdl 512]} fxe4 21. Rxf6 b6 22. Nd2 (22. Bxe4 $6 Bb7 23. Bd3 Na5) 22... Bb7 23. c5 ({Resist} 23. Bxe4 $6 Nd8 $16) 23... bxc5 24. Nxe4 Nd8 25. Bxc5 {A strong pair of Bishops.} (25. Rf4 $18 {[%cal Re4f6]} Bxe4 26. Rxe4+ Ne6 27. Ra4 (27. Rxe6+ dxe6 28. Bc6+ Kd8 $15)) 25... Bxe4 $16 26. Bxe4 Rc8 27. Bd4 a5 28. Rf5 {[%csl LRa5,LRh8]} Rh6 29. Rxa5 Nc6 30. Rg5 Ke7 31. Bxc6 Rcxc6 {[%mdl 4096] Endgame KRR-KRB} 32. a4 $1 Rc4 33. Ra5 Rcc6 34. Rb5 Rc4 35. Ra5 (35. a5 $18) 35... Re6 $2 (35... Rcc6 $1 $11 {and Black is okay.}) 36. Kf2 $18 Rcc6 37. Bc5+ Kf6 {[#]} 38. Rb5 $1 Kg6 39. Bd4 Rc4 40. Rb4 d5 (40... Rc8 41. a5 f5) 41. Rxc4 {White is clearly winning.} dxc4 {[#] KR-KB} 42. a5 $1 f5 (42... Kf5 $142 43. Kf3 Ra6) 43. Kf3 Kg5 44. e3 Kh5 45. h3 Kg5 46. g4 fxg4+ 47. hxg4 Rh6 48. Bb6 Rh3+ 49. Ke4 {Strongly threatening a6.} Kxg4 50. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} Rh8 51. a7 {Weighted Error Value: White=0.15 (very precise) /Black=0.32} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.10"]
[White "Henderson de La Fuente, Lance"]
[Black "Perez Garcia, Rodney Oscar"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2494"]
[BlackElo "2331"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:09]} c5 {[%emt 0:05:17]} 2. Nf3 {[%emt 0:00:34]} Nc6 {[%emt 0:02:12]} 3. d4 {[%emt 0:00:44]} cxd4 {[%emt 0:00:13]} 4. Nxd4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:31]} 5. Nc3 {[%emt 0:00:19]} d6 {[%emt 0:00:18]} 6. g3 {[%emt 0:07:25]} g6 {[%emt 0:01:48]} 7. Nde2 {[%emt 0:01:00]} Bg7 {[%emt 0:02:45]} 8. Bg2 {[%emt 0:00:07]} Rb8 {[%emt 0:02:58]} 9. a4 {[%emt 0:00:24]} O-O {[%emt 0:09:26]} 10. O-O {[%emt 0:00:37]} a6 {[%emt 0:00:04]} 11. h3 {[%emt 0:00:22]} b5 {[%emt 0:02:10]} 12. axb5 {[%emt 0:00:08]} axb5 {[%emt 0:00:08]} 13. Be3 {[%emt 0:00:37]} b4 {[%emt 0:01:33]} 14. Nd5 {[%emt 0:00:28]} Nd7 {[%emt 0:01:31]} 15. Nd4 {[%emt 0:02:42]} Bb7 {[%emt 0:07:33]} 16. Nxc6 {[%emt 0:00:58]} Bxc6 {[%emt 0:00:13]} 17. Bd4 {[%emt 0:00:36]} e6 {[%emt 0:17:17]} 18. Bxg7 {[%emt 0:00:39]} Kxg7 {[%emt 0:01:51]} 19. Qd4+ {[%emt 0:02:26]} e5 {[%emt 0:01:06]} 20. Qd2 {[%emt 0:00:31]} Bxd5 {[%emt 0:06:23]} 21. Qxd5 {[%emt 0:00:45]} Qc7 {[%emt 0:00:18]} 22. Rfd1 {[%emt 0:04:47]} Rb6 {[%emt 0:04:01]} 23. Rd2 {[%emt 0:04:00]} Nc5 {[%emt 0:06:24]} 24. Bf1 {[%emt 0:12:23]} Ne6 {[%emt 0:00:55]} 25. Bc4 {[%emt 0:01:05]} Nd4 {[%emt 0:03:14]} 26. Rxd4 {[%emt 0:03:45]} exd4 {[%emt 0:00:18]} 27. Qxd4+ {[%emt 0:00:09]} Kg8 {[%emt 0:00:53]} 28. b3 {[%emt 0:00:30]} Rc6 {[%emt 0:09:05]} 29. Ra7 {[%emt 0:01:33]} Qb8 {[%emt 0:05:45]} 30. h4 {[%emt 0:02:44]} Rc7 {[%emt 0:01:13]} 31. Ra6 {[%emt 0:01:28]} Rd8 {[%emt 0:04:21]} 32. h5 {[%emt 0:02:08]} gxh5 {[%emt 0:00:06]} 33. Qf6 {[%emt 0:00:59]} Re8 {[%emt 0:03:58]} 34. Rxd6 {[%emt 0:01:20]} Rxc4 {[%emt 0:01:06]} 35. bxc4 {[%emt 0:00:14]} b3 {[%emt 0:00:31]} 36. Rd7 {[%emt 0:02:04]} Rf8 {[%emt 0:00:27]} 37. Rd5 {[%emt 0:00:33]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.11"]
[White "Avila Rodriguez, Joshua Ad"]
[Black "Rodriguez Vila, Andres"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2182"]
[BlackElo "2461"]
[Annotator "ChessBase"]
[PlyCount "105"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:32]} d6 {[%emt 0:00:53]} 2. d4 {[%emt 0:00:11]} g6 {[%emt 0:00:05]} 3. Nf3 {[%emt 0:00:19]} Bg7 {[%emt 0:00:54]} 4. c3 {[%emt 0:00:09]} Nf6 {[%emt 0:00:19]} 5. Bd3 {[%emt 0:00:06]} c5 {[%emt 0:00:07]} 6. O-O {[%emt 0:00:53]} O-O {[%emt 0:00:17]} 7. Re1 {[%emt 0:00:28]} Bg4 {[%emt 0:01:18]} 8. Nbd2 {[%emt 0:00:24]} cxd4 {[%emt 0:01:05]} 9. cxd4 {[%emt 0:00:06]} Nc6 {[%emt 0:00:29]} 10. h3 {[%emt 0:00:09]} Bd7 {[%emt 0:00:12]} 11. a3 {[%emt 0:00:07]} Nh5 {[%emt 0:01:10]} 12. d5 {[%emt 0:07:55]} Ne5 {[%emt 0:00:07]} 13. Nxe5 {[%emt 0:00:56]} dxe5 {[%emt 0:00:07]} 14. Nf3 {[%emt 0:03:58]} Qb6 {[%emt 0:04:21]} 15. Be3 {[%emt 0:16:19]} Qd6 {[%emt 0:01:32]} 16. Qb3 {[%emt 0:00:59]} f5 {[%emt 0:05:09]} 17. Bd2 {[%emt 0:14:42]} Kh8 {[%emt 0:17:10]} 18. Bb4 {[%emt 0:01:12]} Qb6 {[%emt 0:03:21]} 19. Nd2 {[%emt 0:02:43]} fxe4 {[%emt 0:00:41]} 20. Bxe4 {[%emt 0:06:11]} Qxf2+ {[%emt 0:04:09]} 21. Kh1 {[%emt 0:04:20]} Bh6 {[%emt 0:08:57]} 22. Nf1 {[%emt 0:01:38]} Bb5 {[%emt 0:00:41]} 23. Bd3 {[%emt 0:27:26]} Nf4 {[%emt 0:07:12]} 24. Be4 {[%emt 0:00:06]} Nh5 {[%emt 0:05:47]} 25. Bd3 {[%emt 0:00:10]} Bxd3 {[%emt 0:00:43]} 26. Qxd3 {[%emt 0:00:08]} Qxg2+ {[%emt 0:00:07]} 27. Kxg2 {[%emt 0:00:11]} Nf4+ {[%emt 0:00:02]} 28. Kg1 {[%emt 0:06:58]} Nxd3 {[%emt 0:00:04]} 29. Bxe7 {[%emt 0:00:11]} Nxe1 {[%emt 0:00:15]} 30. Rxe1 {[%emt 0:00:03]} Rf7 {[%emt 0:04:25]} 31. Rxe5 {[%emt 0:00:42]} Bf8 {[%emt 0:03:23]} 32. Bg5 {[%emt 0:01:16]} Bc5+ {[%emt 0:05:00]} 33. Be3 {[%emt 0:00:05]} Bxe3+ {[%emt 0:00:08]} 34. Nxe3 {[%emt 0:00:02]} Rd8 {[%emt 0:01:38]} 35. Kg2 {[%emt 0:01:02]} Kg7 {[%emt 0:00:23]} 36. Kg3 {[%emt 0:00:32]} Rdd7 {[%emt 0:00:31]} 37. Nc4 {[%emt 0:03:09]} b5 {[%emt 0:01:15]} 38. Ne3 {[%emt 0:00:28]} Rde7 {[%emt 0:00:16]} 39. Rxe7 {[%emt 0:01:17]} Rxe7 {[%emt 0:00:01]} 40. Kf4 {[%emt 0:00:26]} g5+ {[%emt 0:00:09]} 41. Kf3 {[%emt 0:00:03]} Kf6 {[%emt 0:00:07]} 42. Ng4+ {[%emt 0:00:14]} Kf5 {[%emt 0:00:07]} 43. Ne3+ {[%emt 0:01:34]} Ke5 {[%emt 0:00:29]} 44. Kg4 {[%emt 0:00:09]} Kf6 {[%emt 0:00:09]} 45. Kf3 {[%emt 0:00:15]} h5 {[%emt 0:00:10]} 46. a4 {[%emt 0:00:25]} bxa4 {[%emt 0:00:30]} 47. Nc4 {[%emt 0:00:03]} Rc7 {[%emt 0:00:37]} 48. Na3 {[%emt 0:00:23]} Ke5 {[%emt 0:00:15]} 49. d6 {[%emt 0:00:11]} Rf7+ {[%emt 0:00:19]} 50. Ke3 {[%emt 0:00:33]} Kxd6 {[%emt 0:00:06]} 51. Nb5+ {[%emt 0:00:03]} Kc5 {[%emt 0:00:11]} 52. Nc3 {[%emt 0:00:28]} Kb4 {[%emt 0:00:05]} 53. Kd4 {[%emt 0:04:10]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.12"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Noboa Silva, Kevin"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2461"]
[BlackElo "2331"]
[Annotator "ChessBase"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:08]} e6 {[%emt 0:00:18]} 2. d4 {[%emt 0:00:15]} d5 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:00:09]} Nf6 {[%emt 0:00:22]} 4. e5 {[%emt 0:00:13]} Nfd7 {[%emt 0:00:17]} 5. f4 {[%emt 0:00:09]} c5 {[%emt 0:00:17]} 6. Nf3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:44]} 7. Be3 {[%emt 0:00:09]} cxd4 {[%emt 0:00:52]} 8. Nxd4 {[%emt 0:00:08]} Bc5 {[%emt 0:00:26]} 9. Qd2 {[%emt 0:00:14]} O-O {[%emt 0:00:43]} 10. O-O-O {[%emt 0:00:16]} Nxd4 {[%emt 0:01:03]} 11. Bxd4 {[%emt 0:00:09]} a6 {[%emt 0:00:21]} 12. Qe3 {[%emt 0:04:00]} Bxd4 {[%emt 0:02:05]} 13. Qxd4 {[%emt 0:02:48]} b5 {[%emt 0:01:38]} 14. Bd3 {[%emt 0:01:44]} Rb8 {[%emt 0:01:22]} 15. h4 {[%emt 0:04:07]} b4 {[%emt 0:02:07]} 16. Ne2 {[%emt 0:01:38]} Qc7 {[%emt 0:01:20]} 17. Kb1 {[%emt 0:11:46]} a5 {[%emt 0:04:04]} 18. h5 {[%emt 0:05:44]} Nc5 {[%emt 0:03:03]} 19. g4 {[%emt 0:07:39]} Ba6 {[%emt 0:04:50]} 20. Rc1 {[%emt 0:15:55]} Rfc8 {[%emt 0:12:10]} 21. Bxa6 {[%emt 0:04:45]} Nxa6 {[%emt 0:00:08]} 22. f5 {[%emt 0:00:09]} Qc4 {[%emt 0:04:12]} 23. Qe3 {[%emt 0:01:39]} Nc5 {[%emt 0:06:45]} 24. h6 {[%emt 0:10:18]} g6 {[%emt 0:09:03]} 25. Ng3 {[%emt 0:01:58]} Na4 {[%emt 0:15:36]} 26. Ka1 {[%emt 0:00:27]} Qc5 {[%emt 0:03:56]} 27. Qf4 {[%emt 0:00:31]} Qc4 {[%emt 0:02:32]} 28. Qd2 {[%emt 0:05:43]} Qxg4 {[%emt 0:05:15]} 29. Nh5 {[%emt 0:00:47]} Qxf5 {[%emt 0:10:22]} 30. Nf6+ {[%emt 0:00:12]} Kh8 {[%emt 0:00:26]} 31. Nd7 {[%emt 0:00:06]} Nc5 {[%emt 0:00:55]} 32. Nxc5 {[%emt 0:04:19]} Rxc5 {[%emt 0:00:29]} 33. Rhf1 {[%emt 0:00:03]} Qxe5 {[%emt 0:04:15]} 34. Rce1 {[%emt 0:00:06]} Qc7 {[%emt 0:00:28]} 35. Qd4+ {[%emt 0:00:07]} e5 {[%emt 0:00:30]} 36. Rxe5 {[%emt 0:00:04]} f6 {[%emt 0:00:23]} 37. Rxf6 {[%emt 0:00:54]} Kg8 {[%emt 0:00:36]} 38. Ree6 {[%emt 0:02:34]} Rxc2 {[%emt 0:03:49]} 39. Rxg6+ {[%emt 0:00:13]} hxg6 {[%emt 0:00:09]} 40. Rxg6+ {[%emt 0:00:04]} Kf7 {[%emt 0:00:40]} 41. Qf6+ {[%emt 0:00:08]} Ke8 {[%emt 0:00:08]} 42. Qe6+ {[%emt 0:00:04]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.13"]
[White "Miranda Llanes, Yerisbel"]
[Black "Gonzalez Zamora, Juan Carlos"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "2261"]
[BlackElo "2544"]
[Annotator "ChessBase"]
[PlyCount "78"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:17]} d6 {[%emt 0:00:11]} 2. c4 {[%emt 0:00:05]} e5 {[%emt 0:00:10]} 3. Nc3 {[%emt 0:00:02]} exd4 {[%emt 0:00:30]} 4. Qxd4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:23]} 5. e4 {[%emt 0:00:05]} Nc6 {[%emt 0:00:35]} 6. Qd2 {[%emt 0:00:12]} g6 {[%emt 0:00:13]} 7. Bd3 {[%emt 0:00:14]} Bg7 {[%emt 0:00:05]} 8. Nge2 {[%emt 0:00:36]} O-O {[%emt 0:01:14]} 9. O-O {[%emt 0:00:09]} Ne5 {[%emt 0:01:55]} 10. b3 {[%emt 0:04:37]} Nxd3 {[%emt 0:02:42]} 11. Qxd3 {[%emt 0:00:01]} Re8 {[%emt 0:02:46]} 12. Bg5 {[%emt 0:03:36]} h6 {[%emt 0:00:08]} 13. Be3 {[%emt 0:00:53]} a6 {[%emt 0:06:02]} 14. Rad1 {[%emt 0:02:12]} b5 {[%emt 0:02:58]} 15. f3 {[%emt 0:08:46]} bxc4 {[%emt 0:06:17]} 16. Qxc4 {[%emt 0:01:01]} Bd7 {[%emt 0:11:21]} 17. Nd4 {[%emt 0:08:19]} Qb8 {[%emt 0:01:16]} 18. Rf2 {[%emt 0:11:36]} Qb7 {[%emt 0:01:27]} 19. Qd3 {[%emt 0:08:32]} Re5 {[%emt 0:07:59]} 20. Nc2 {[%emt 0:03:10]} d5 {[%emt 0:04:56]} 21. Bd4 {[%emt 0:05:04]} dxe4 {[%emt 0:00:27]} 22. fxe4 {[%emt 0:02:40]} Ng4 {[%emt 0:01:49]} 23. Rf4 {[%emt 0:07:01]} c5 {[%emt 0:07:35]} 24. Bxe5 {[%emt 0:12:09]} Bxe5 {[%emt 0:04:24]} 25. Rff1 {[%emt 0:06:37]} Bxh2+ {[%emt 0:04:47]} 26. Kh1 {[%emt 0:00:01]} Be6 {[%emt 0:07:50]} 27. Nd5 {[%emt 0:00:39]} Be5 {[%emt 0:01:03]} 28. Nce3 {[%emt 0:03:28]} h5 {[%emt 0:00:35]} 29. Rc1 {[%emt 0:08:24]} Rc8 {[%emt 0:02:20]} 30. Nc4 {[%emt 0:01:15]} Bxd5 {[%emt 0:07:50]} 31. Qxd5 {[%emt 0:01:44]} Qe7 {[%emt 0:00:18]} 32. g3 {[%emt 0:02:22]} Bxg3 {[%emt 0:02:32]} 33. Kg2 {[%emt 0:00:00]} Bc7 {[%emt 0:00:12]} 34. Rc3 {[%emt 0:00:39]} Rd8 {[%emt 0:00:47]} 35. Qb7 {[%emt 0:00:39]} Ne5 {[%emt 0:01:04]} 36. Rg3 {[%emt 0:00:43]} Nxc4 {[%emt 0:01:14]} 37. bxc4 {[%emt 0:00:02]} Rd2+ {[%emt 0:00:42]} 38. Kg1 {[%emt 0:00:46]} Qe5 {[%emt 0:01:58]} 39. Rh3 {[%emt 0:00:47]} Qg5+ {[%emt 0:09:25]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.14"]
[White "Quesada Perez, Luis Ernesto"]
[Black "Estrada Nieto, Julian"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2517"]
[BlackElo "2253"]
[Annotator "ChessBase"]
[PlyCount "79"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:09]} e5 {[%emt 0:01:26]} 2. g3 {[%emt 0:00:01]} Nf6 {[%emt 0:00:45]} 3. Bg2 {[%emt 0:00:05]} d5 {[%emt 0:01:17]} 4. cxd5 {[%emt 0:00:07]} Nxd5 {[%emt 0:00:03]} 5. Nc3 {[%emt 0:00:08]} Nb6 {[%emt 0:00:07]} 6. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:04]} 7. O-O {[%emt 0:00:19]} Be7 {[%emt 0:00:12]} 8. a3 {[%emt 0:00:06]} a5 {[%emt 0:06:45]} 9. d3 {[%emt 0:00:07]} O-O {[%emt 0:00:11]} 10. Be3 {[%emt 0:00:05]} Be6 {[%emt 0:02:37]} 11. Rc1 {[%emt 0:02:47]} Nd5 {[%emt 0:04:14]} 12. Nxd5 {[%emt 0:00:36]} Bxd5 {[%emt 0:00:04]} 13. Qa4 {[%emt 0:00:15]} Re8 {[%emt 0:10:53]} 14. Rfe1 {[%emt 0:21:12]} Qc8 {[%emt 0:19:54]} 15. Qb5 {[%emt 0:02:18]} Rd8 {[%emt 0:01:14]} 16. Nd2 {[%emt 0:03:16]} Bxg2 {[%emt 0:00:35]} 17. Kxg2 {[%emt 0:00:02]} a4 {[%emt 0:08:18]} 18. Qc4 {[%emt 0:02:20]} Rd7 {[%emt 0:04:23]} 19. Qe4 {[%emt 0:01:47]} Ra5 {[%emt 0:05:52]} 20. Rc4 {[%emt 0:01:47]} Nd4 {[%emt 0:06:42]} 21. Bxd4 {[%emt 0:01:00]} exd4 {[%emt 0:00:04]} 22. Rxd4 {[%emt 0:00:25]} Rxd4 {[%emt 0:00:45]} 23. Qxd4 {[%emt 0:00:02]} Bf6 {[%emt 0:01:12]} 24. Qb4 {[%emt 0:00:47]} Rh5 {[%emt 0:01:01]} 25. Nf3 {[%emt 0:09:15]} c6 {[%emt 0:10:19]} 26. Qxa4 {[%emt 0:02:35]} b5 {[%emt 0:04:03]} 27. Qb4 {[%emt 0:09:48]} c5 {[%emt 0:03:39]} 28. Qxb5 {[%emt 0:01:21]} Qh3+ {[%emt 0:00:23]} 29. Kh1 {[%emt 0:00:24]} g5 {[%emt 0:00:08]} 30. Rg1 {[%emt 0:04:09]} g4 {[%emt 0:00:34]} 31. Qb8+ {[%emt 0:00:48]} Kg7 {[%emt 0:00:05]} 32. Nh4 {[%emt 0:00:51]} Be5 {[%emt 0:00:59]} 33. Qd8 {[%emt 0:01:48]} Bf6 {[%emt 0:00:15]} 34. Qd7 {[%emt 0:00:16]} Be5 {[%emt 0:02:31]} 35. Rg2 {[%emt 0:00:38]} Kf6 {[%emt 0:03:16]} 36. Qc6+ {[%emt 0:01:35]} Kg7 {[%emt 0:00:10]} 37. Qxc5 {[%emt 0:00:19]} Rg5 {[%emt 0:01:43]} 38. e4 {[%emt 0:01:27]} Bf6 {[%emt 0:01:25]} 39. Nf5+ {[%emt 0:00:26]} Kg6 {[%emt 0:00:14]} 40. Qc8 {[%emt 0:00:56]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.15"]
[White "Ibarra Chami, Luis Fernando"]
[Black "Tapie Amione, Pablo Adib"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2451"]
[BlackElo "2241"]
[Annotator "ChessBase"]
[PlyCount "165"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:10:15]} c5 {[%emt 0:00:30]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:12]} 3. d4 {[%emt 0:00:12]} cxd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:08]} e5 {[%emt 0:00:31]} 5. Nb5 {[%emt 0:00:33]} d6 {[%emt 0:00:25]} 6. c4 {[%emt 0:02:31]} Be6 {[%emt 0:00:49]} 7. Be2 {[%emt 0:04:14]} g6 {[%emt 0:02:15]} 8. O-O {[%emt 0:02:54]} Rc8 {[%emt 0:00:22]} 9. Be3 {[%emt 0:03:56]} Nf6 {[%emt 0:00:43]} 10. N1c3 {[%emt 0:07:35]} a6 {[%emt 0:01:30]} 11. Nd5 {[%emt 0:06:36]} Nd7 {[%emt 0:32:53]} 12. Nbc3 {[%emt 0:10:45]} Bg7 {[%emt 0:00:29]} 13. Qb3 {[%emt 0:08:20]} Na5 {[%emt 0:26:08]} 14. Qb4 {[%emt 0:06:23]} Nc5 {[%emt 0:01:03]} 15. Qb6 {[%emt 0:06:00]} Qxb6 {[%emt 0:06:39]} 16. Nxb6 {[%emt 0:00:06]} Rc6 {[%emt 0:00:03]} 17. Nbd5 {[%emt 0:07:16]} Nd7 {[%emt 0:00:14]} 18. b3 {[%emt 0:00:39]} f5 {[%emt 0:00:09]} 19. Rad1 {[%emt 0:01:20]} f4 {[%emt 0:01:50]} 20. Bc1 {[%emt 0:00:09]} Rc8 {[%emt 0:02:23]} 21. g3 {[%emt 0:01:10]} Rf8 {[%emt 0:06:21]} 22. Rfe1 {[%emt 0:09:29]} f3 {[%emt 0:04:51]} 23. Bf1 {[%emt 0:00:04]} Rf7 {[%emt 0:00:05]} 24. h4 {[%emt 0:01:03]} Nc6 {[%emt 0:00:14]} 25. Kh2 {[%emt 0:00:28]} Nd4 {[%emt 0:01:47]} 26. Bh3 {[%emt 0:01:22]} Bxh3 {[%emt 0:01:11]} 27. Kxh3 {[%emt 0:00:04]} Nc5 {[%emt 0:00:11]} 28. Be3 {[%emt 0:01:19]} Nce6 {[%emt 0:00:33]} 29. Rc1 {[%emt 0:01:31]} Rf8 {[%emt 0:02:32]} 30. Nb1 {[%emt 0:00:14]} Kf7 {[%emt 0:00:48]} 31. Na3 {[%emt 0:00:14]} Nc5 {[%emt 0:00:11]} 32. Rcd1 {[%emt 0:01:26]} Rfe8 {[%emt 0:00:03]} 33. Bc1 {[%emt 0:03:06]} b5 {[%emt 0:00:40]} 34. Bb2 {[%emt 0:01:08]} Nce6 {[%emt 0:01:00]} 35. g4 {[%emt 0:00:23]} Rc5 {[%emt 0:01:35]} 36. Kg3 {[%emt 0:00:05]} Rb8 {[%emt 0:00:16]} 37. Rd2 {[%emt 0:00:10]} Kg8 {[%emt 0:00:41]} 38. Ne3 {[%emt 0:00:16]} bxc4 {[%emt 0:00:28]} 39. Naxc4 {[%emt 0:00:07]} Bf8 {[%emt 0:00:42]} 40. Bxd4 {[%emt 0:00:20]} exd4 {[%emt 0:00:42]} 41. Nc2 {[%emt 0:00:34]} Bh6 {[%emt 0:00:10]} 42. Rd3 {[%emt 0:01:10]} Bf4+ {[%emt 0:01:11]} 43. Kxf3 {[%emt 0:00:20]} Rf8 {[%emt 0:00:03]} 44. Kg2 {[%emt 0:01:05]} Be5 {[%emt 0:00:38]} 45. Rf3 {[%emt 0:00:14]} Rxf3 {[%emt 0:00:25]} 46. Kxf3 {[%emt 0:00:04]} Rc8 {[%emt 0:00:02]} 47. Ke2 {[%emt 0:01:08]} Rf8 {[%emt 0:00:05]} 48. Rf1 {[%emt 0:01:34]} h5 {[%emt 0:00:02]} 49. gxh5 {[%emt 0:00:06]} Rf4 {[%emt 0:00:20]} 50. hxg6 {[%emt 0:00:55]} Rxe4+ {[%emt 0:00:06]} 51. Kd1 {[%emt 0:00:06]} Rxh4 {[%emt 0:00:31]} 52. Re1 {[%emt 0:00:13]} Rh5 {[%emt 0:00:04]} 53. Nb4 {[%emt 0:00:19]} Nf4 {[%emt 0:00:23]} 54. Nxa6 {[%emt 0:02:00]} Nd3 {[%emt 0:00:03]} 55. Re2 {[%emt 0:00:03]} Rf5 {[%emt 0:00:02]} 56. Kd2 {[%emt 0:01:20]} Nxf2 {[%emt 0:00:09]} 57. Nb4 {[%emt 0:00:17]} Bg3 {[%emt 0:01:40]} 58. Nd3 {[%emt 0:00:17]} d5 {[%emt 0:00:01]} 59. Nd6 {[%emt 0:00:51]} Rf3 {[%emt 0:03:09]} 60. Nxf2 {[%emt 0:00:03]} Bxf2 {[%emt 0:00:02]} 61. Re8+ {[%emt 0:00:15]} Kg7 {[%emt 0:00:09]} 62. Ke2 {[%emt 0:00:06]} Rf6 {[%emt 0:00:52]} 63. Re7+ {[%emt 0:00:06]} Kxg6 {[%emt 0:00:11]} 64. Nb5 {[%emt 0:02:21]} Bg1 {[%emt 0:00:15]} 65. Kd3 {[%emt 0:00:24]} Rf3+ {[%emt 0:00:05]} 66. Kd2 {[%emt 0:00:10]} Be3+ {[%emt 0:01:15]} 67. Kd3 {[%emt 0:01:24]} Bg5+ {[%emt 0:05:54]} 68. Ke2 {[%emt 0:00:05]} Rh3 {[%emt 0:00:10]} 69. Re6+ {[%emt 0:00:05]} Kf7 {[%emt 0:00:02]} 70. Nxd4 {[%emt 0:02:27]} Rh4 {[%emt 0:01:18]} 71. Re5 {[%emt 0:00:21]} Bf6 {[%emt 0:00:01]} 72. Nf3 {[%emt 0:00:26]} Bxe5 {[%emt 0:01:17]} 73. Nxh4 {[%emt 0:00:04]} Ke6 {[%emt 0:00:04]} 74. Kd3 {[%emt 0:00:08]} Kd6 {[%emt 0:00:06]} 75. Nf3 {[%emt 0:00:12]} Bf6 {[%emt 0:00:04]} 76. b4 {[%emt 0:00:09]} Kc6 {[%emt 0:00:15]} 77. Nd4+ {[%emt 0:00:14]} Kb6 {[%emt 0:00:05]} 78. a4 {[%emt 0:00:07]} Be7 {[%emt 0:00:04]} 79. Kc3 {[%emt 0:01:18]} Bf6 {[%emt 0:00:01]} 80. Kd3 {[%emt 0:01:04]} Be7 {[%emt 0:00:02]} 81. b5 {[%emt 0:01:34]} Ka5 {[%emt 0:00:44]} 82. Nf5 {[%emt 0:00:06]} Bc5 {[%emt 0:00:12]} 83. Ne3 {[%emt 0:00:50]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.16"]
[White "Santos, Jose Guilherme B Lim"]
[Black "Perez Gormaz, Matias"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "2363"]
[BlackElo "2404"]
[Annotator "NA"]
[PlyCount "74"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:13]} 2. Nf3 {[%emt 0:00:08]} d6 {[%emt 0:00:18]} 3. d4 {[%emt 0:00:11]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:10]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:04]} a6 {[%emt 0:00:07]} 6. Bg5 {[%emt 0:00:39]} Nbd7 {[%emt 0:00:14]} 7. Bc4 {[%emt 0:01:45]} Qb6 {[%emt 0:00:24]} 8. Qd2 {[%emt 0:09:11]} Qxb2 {[%emt 0:01:11]} 9. Rb1 {[%emt 0:00:05]} Qa3 {[%emt 0:00:13]} 10. O-O {[%emt 0:00:20]} e6 {[%emt 0:05:18]} 11. Kh1 {[%emt 0:00:03]} Be7 {[%emt 0:12:17]} 12. f4 {[%emt 0:03:22]} Nc5 {[%emt 0:18:23]} 13. Rf3 {[%emt 0:09:26]} Ncxe4 {[%emt 0:23:40]} 14. Nxe4 {[%emt 0:00:34]} Nxe4 {[%emt 0:00:04]} 15. Qe1 {[%emt 0:22:56]} Qc5 {[%emt 0:00:07]} 16. Qxe4 {[%emt 0:00:19]} d5 {[%emt 0:05:18]} 17. Bxd5 {[%emt 0:01:49]} Qxd5 {[%emt 0:06:02]} 18. Qxd5 {[%emt 0:00:59]} exd5 {[%emt 0:00:03]} 19. Re3 {[%emt 0:00:14]} f6 {[%emt 0:00:03]} 20. Rbe1 {[%emt 0:00:05]} O-O {[%emt 0:00:03]} 21. Rxe7 {[%emt 0:00:23]} fxg5 {[%emt 0:00:02]} 22. fxg5 {[%emt 0:00:07]} Bf5 {[%emt 0:01:40]} 23. Rxb7 {[%emt 0:09:51]} Be4 {[%emt 0:00:38]} 24. Kg1 {[%emt 0:00:15]} Rac8 {[%emt 0:02:46]} 25. Re2 {[%emt 0:03:47]} Rf7 {[%emt 0:08:42]} 26. Rb6 {[%emt 0:02:00]} a5 {[%emt 0:03:07]} 27. h3 {[%emt 0:00:25]} Rfc7 {[%emt 0:00:31]} 28. Ra6 {[%emt 0:10:54]} Rc4 {[%emt 0:02:23]} 29. Rd2 {[%emt 0:00:21]} Ra4 {[%emt 0:08:07]} 30. c3 {[%emt 0:13:43]} Rxc3 {[%emt 0:00:09]} 31. Rf2 {[%emt 0:00:11]} h6 {[%emt 0:03:08]} 32. Ra8+ {[%emt 0:02:53]} Kh7 {[%emt 0:00:07]} 33. Ne6 {[%emt 0:00:00]} hxg5 {[%emt 0:00:37]} 34. Rf7 {[%emt 0:00:05]} Kg6 {[%emt 0:00:29]} 35. Raf8 {[%emt 0:00:10]} Kh6 {[%emt 0:00:52]} 36. Rxg7 {[%emt 0:00:04]} Rc1+ {[%emt 0:00:28]} 37. Kh2 {[%emt 0:00:05]} Bd3 {[%emt 0:01:06]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.17"]
[White "Zacarias, M Ruben D"]
[Black "Leon Valdes, Jony Wilson"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2174"]
[BlackElo "2392"]
[Annotator "NA"]
[PlyCount "58"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} e6 {[%emt 0:06:52]} 2. d4 {[%emt 0:00:16]} d5 {[%emt 0:00:04]} 3. Nd2 {[%emt 0:00:37]} Nf6 {[%emt 0:01:46]} 4. e5 {[%emt 0:00:12]} Nfd7 {[%emt 0:00:05]} 5. Bd3 {[%emt 0:00:11]} c5 {[%emt 0:00:04]} 6. c3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:04]} 7. Ne2 {[%emt 0:00:08]} cxd4 {[%emt 0:00:12]} 8. cxd4 {[%emt 0:00:05]} f6 {[%emt 0:00:06]} 9. exf6 {[%emt 0:00:04]} Nxf6 {[%emt 0:00:06]} 10. Nf3 {[%emt 0:00:05]} Bd6 {[%emt 0:00:05]} 11. O-O {[%emt 0:00:06]} Qc7 {[%emt 0:00:04]} 12. Bg5 {[%emt 0:00:09]} O-O {[%emt 0:00:07]} 13. Bh4 {[%emt 0:00:03]} Bd7 {[%emt 0:05:13]} 14. Nc3 {[%emt 0:06:13]} a6 {[%emt 0:01:12]} 15. Bg3 {[%emt 0:00:56]} Be8 {[%emt 0:04:09]} 16. Re1 {[%emt 0:09:21]} Bh5 {[%emt 0:08:35]} 17. Rxe6 {[%emt 0:03:43]} Bxg3 {[%emt 0:00:35]} 18. hxg3 {[%emt 0:00:20]} Nxd4 {[%emt 0:06:04]} 19. Re1 {[%emt 0:09:54]} Bxf3 {[%emt 0:07:48]} 20. gxf3 {[%emt 0:01:05]} Qb6 {[%emt 0:04:16]} 21. f4 {[%emt 0:13:35]} Rae8 {[%emt 0:06:56]} 22. Rxe8 {[%emt 0:01:40]} Rxe8 {[%emt 0:00:04]} 23. Bf1 {[%emt 0:09:26]} Re1 {[%emt 0:01:32]} 24. Qxe1 {[%emt 0:12:32]} Nf3+ {[%emt 0:00:07]} 25. Kg2 {[%emt 0:00:04]} Nxe1+ {[%emt 0:00:08]} 26. Rxe1 {[%emt 0:00:04]} Qxb2 {[%emt 0:03:36]} 27. Ne2 {[%emt 0:00:57]} Ne4 {[%emt 0:01:51]} 28. f3 {[%emt 0:01:24]} Nc3 {[%emt 0:00:40]} 29. Kg1 {[%emt 0:02:07]} Qd2 {[%emt 0:00:28]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.18"]
[White "Gemy, Jose Daniel"]
[Black "Corrales Jimenez, Zenia"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "2381"]
[BlackElo "2151"]
[Annotator "NA"]
[PlyCount "60"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:17]} 2. Nf3 {[%emt 0:00:09]} d6 {[%emt 0:00:11]} 3. d4 {[%emt 0:00:28]} cxd4 {[%emt 0:00:11]} 4. Nxd4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:29]} 5. Nc3 {[%emt 0:00:05]} g6 {[%emt 0:00:05]} 6. Be3 {[%emt 0:00:20]} Bg7 {[%emt 0:00:19]} 7. Bc4 {[%emt 0:00:21]} Nc6 {[%emt 0:01:13]} 8. f3 {[%emt 0:00:08]} O-O {[%emt 0:01:51]} 9. Qd2 {[%emt 0:00:10]} Bd7 {[%emt 0:00:26]} 10. h4 {[%emt 0:00:12]} Rc8 {[%emt 0:03:26]} 11. Bb3 {[%emt 0:00:10]} h5 {[%emt 0:00:30]} 12. O-O-O {[%emt 0:00:37]} Ne5 {[%emt 0:00:42]} 13. Bg5 {[%emt 0:15:28]} Rc5 {[%emt 0:00:48]} 14. Kb1 {[%emt 0:02:51]} Re8 {[%emt 0:02:06]} 15. Nd5 {[%emt 0:22:53]} Nxd5 {[%emt 0:15:57]} 16. Bxd5 {[%emt 0:00:51]} Qb6 {[%emt 0:00:19]} 17. Nb3 {[%emt 0:09:10]} e6 {[%emt 0:08:55]} 18. Nxc5 {[%emt 0:14:04]} Nc4 {[%emt 0:04:50]} 19. Qc1 {[%emt 0:00:06]} Bxb2 {[%emt 0:00:08]} 20. Bxc4 {[%emt 0:00:49]} Bxc1+ {[%emt 0:00:34]} 21. Kxc1 {[%emt 0:00:02]} Qxc5 {[%emt 0:00:42]} 22. Bb3 {[%emt 0:00:08]} a5 {[%emt 0:01:00]} 23. a4 {[%emt 0:07:22]} b5 {[%emt 0:01:41]} 24. axb5 {[%emt 0:04:45]} a4 {[%emt 0:00:31]} 25. Ba2 {[%emt 0:00:13]} Qa3+ {[%emt 0:00:39]} 26. Kb1 {[%emt 0:00:12]} Rb8 {[%emt 0:00:26]} 27. Bc1 {[%emt 0:03:20]} Rxb5+ {[%emt 0:01:19]} 28. Bb3 {[%emt 0:00:06]} Qc5 {[%emt 0:00:20]} 29. Rd3 {[%emt 0:01:36]} axb3 {[%emt 0:00:10]} 30. cxb3 {[%emt 0:00:01]} Qc4 {[%emt 0:00:38]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.19"]
[White "Miranda Rodriguez, Tania"]
[Black "Lopez Gonzalez, Abel Fabian"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2174"]
[BlackElo "2379"]
[Annotator "NA"]
[PlyCount "80"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:06]} c6 {[%emt 0:06:08]} 2. Nc3 {[%emt 0:00:32]} d5 {[%emt 0:00:07]} 3. Nf3 {[%emt 0:00:12]} Bg4 {[%emt 0:00:14]} 4. h3 {[%emt 0:00:29]} Bxf3 {[%emt 0:00:08]} 5. Qxf3 {[%emt 0:00:04]} e6 {[%emt 0:00:20]} 6. d4 {[%emt 0:00:57]} dxe4 {[%emt 0:06:33]} 7. Qxe4 {[%emt 0:00:57]} Nf6 {[%emt 0:00:48]} 8. Qd3 {[%emt 0:00:57]} Na6 {[%emt 0:05:03]} 9. a3 {[%emt 0:01:25]} Qb6 {[%emt 0:01:28]} 10. Be2 {[%emt 0:01:49]} Rd8 {[%emt 0:01:18]} 11. O-O {[%emt 0:02:42]} Rxd4 {[%emt 0:14:22]} 12. Qf3 {[%emt 0:01:35]} Qc7 {[%emt 0:27:03]} 13. Be3 {[%emt 0:02:30]} Rd8 {[%emt 0:00:49]} 14. Rad1 {[%emt 0:02:15]} Rxd1 {[%emt 0:06:31]} 15. Rxd1 {[%emt 0:00:09]} Bc5 {[%emt 0:03:41]} 16. Bxa6 {[%emt 0:07:38]} Bxe3 {[%emt 0:00:16]} 17. Nb5 {[%emt 0:02:55]} Bxf2+ {[%emt 0:07:18]} 18. Qxf2 {[%emt 0:02:38]} cxb5 {[%emt 0:00:17]} 19. Bxb5+ {[%emt 0:03:16]} Ke7 {[%emt 0:00:22]} 20. Qxa7 {[%emt 0:01:45]} Rd8 {[%emt 0:03:47]} 21. Rxd8 {[%emt 0:02:10]} Kxd8 {[%emt 0:00:05]} 22. c4 {[%emt 0:03:57]} e5 {[%emt 0:02:18]} 23. b4 {[%emt 0:02:25]} e4 {[%emt 0:01:37]} 24. Qd4+ {[%emt 0:02:23]} Kc8 {[%emt 0:03:26]} 25. c5 {[%emt 0:12:43]} Qg3 {[%emt 0:04:47]} 26. c6 {[%emt 0:11:43]} Qxa3 {[%emt 0:00:28]} 27. Qc5 {[%emt 0:03:52]} bxc6 {[%emt 0:00:31]} 28. Qxc6+ {[%emt 0:00:58]} Kb8 {[%emt 0:00:07]} 29. Qd6+ {[%emt 0:03:15]} Kb7 {[%emt 0:00:05]} 30. Qe7+ {[%emt 0:06:46]} Kb6 {[%emt 0:05:33]} 31. Qc5+ {[%emt 0:00:20]} Kb7 {[%emt 0:00:00]} 32. Bc6+ {[%emt 0:01:16]} Kb8 {[%emt 0:00:00]} 33. Qb6+ {[%emt 0:06:13]} Kc8 {[%emt 0:00:00]} 34. Bb7+ {[%emt 0:00:52]} Kd7 {[%emt 0:00:00]} 35. Bc6+ {[%emt 0:01:16]} Ke7 {[%emt 0:00:00]} 36. Qc7+ {[%emt 0:01:14]} Ke6 {[%emt 0:00:00]} 37. Qc8+ {[%emt 0:01:02]} Kd6 {[%emt 0:00:00]} 38. Qf8+ {[%emt 0:00:23]} Ke6 {[%emt 0:00:39]} 39. Qc8+ {[%emt 0:00:20]} Kd6 {[%emt 0:02:28]} 40. Qf8+ {[%emt 0:00:27]} Ke6 {[%emt 0:01:53]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.20"]
[White "Veiga, Jose Francisco R P N"]
[Black "Real Pereyra, Jeronimo"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2366"]
[BlackElo "2147"]
[Annotator "NA"]
[PlyCount "69"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:11]} c5 {[%emt 0:13:06]} 2. g3 {[%emt 0:00:12]} Nc6 {[%emt 0:00:05]} 3. Bg2 {[%emt 0:00:09]} g6 {[%emt 0:00:05]} 4. O-O {[%emt 0:00:13]} Bg7 {[%emt 0:00:11]} 5. c4 {[%emt 0:00:10]} d6 {[%emt 0:00:34]} 6. Nc3 {[%emt 0:00:16]} h5 {[%emt 0:00:42]} 7. h4 {[%emt 0:03:28]} Nh6 {[%emt 0:00:20]} 8. a3 {[%emt 0:01:34]} O-O {[%emt 0:00:41]} 9. Rb1 {[%emt 0:00:55]} a5 {[%emt 0:00:18]} 10. d3 {[%emt 0:01:03]} Bd7 {[%emt 0:10:18]} 11. Ng5 {[%emt 0:01:48]} Rb8 {[%emt 0:03:57]} 12. Bd2 {[%emt 0:00:53]} Nf5 {[%emt 0:06:35]} 13. Nb5 {[%emt 0:02:59]} Ncd4 {[%emt 0:11:23]} 14. Nxd4 {[%emt 0:12:49]} Nxd4 {[%emt 0:06:13]} 15. e3 {[%emt 0:00:12]} Nf5 {[%emt 0:02:18]} 16. Qe1 {[%emt 0:05:04]} a4 {[%emt 0:00:58]} 17. Bc3 {[%emt 0:00:39]} b5 {[%emt 0:04:49]} 18. Bxg7 {[%emt 0:01:12]} Kxg7 {[%emt 0:00:10]} 19. Qc3+ {[%emt 0:00:58]} f6 {[%emt 0:00:23]} 20. b4 {[%emt 0:05:20]} axb3 {[%emt 0:02:18]} 21. Rxb3 {[%emt 0:01:14]} bxc4 {[%emt 0:01:17]} 22. Rxb8 {[%emt 0:00:18]} Qxb8 {[%emt 0:00:09]} 23. dxc4 {[%emt 0:00:02]} Qb6 {[%emt 0:08:37]} 24. Bd5 {[%emt 0:00:39]} Kh6 {[%emt 0:05:06]} 25. Ne6 {[%emt 0:00:28]} Rb8 {[%emt 0:00:27]} 26. Ra1 {[%emt 0:00:38]} Ba4 {[%emt 0:00:16]} 27. Be4 {[%emt 0:06:52]} Bc6 {[%emt 0:03:28]} 28. Bxf5 {[%emt 0:09:32]} gxf5 {[%emt 0:00:04]} 29. e4 {[%emt 0:00:28]} Bxe4 {[%emt 0:01:30]} 30. Qe3+ {[%emt 0:00:04]} Kh7 {[%emt 0:01:13]} 31. Qe2 {[%emt 0:00:29]} Kh6 {[%emt 0:03:40]} 32. Nf4 {[%emt 0:00:16]} Qb1+ {[%emt 0:01:14]} 33. Kh2 {[%emt 0:00:06]} Qxa1 {[%emt 0:05:14]} 34. Qxh5+ {[%emt 0:00:08]} Kg7 {[%emt 0:00:06]} 35. Ne6+ {[%emt 0:00:05]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.21"]
[White "Luna Javier, Edgar Froylan"]
[Black "Garcia Guerrero, Isaac Antonio"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2148"]
[BlackElo "2338"]
[Annotator "NA"]
[PlyCount "137"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:05:50]} Nf6 {[%emt 0:00:17]} 2. d4 {[%emt 0:01:38]} e6 {[%emt 0:00:25]} 3. g3 {[%emt 0:00:25]} b5 {[%emt 0:00:21]} 4. Bg2 {[%emt 0:00:23]} Bb7 {[%emt 0:02:05]} 5. O-O {[%emt 0:00:57]} c5 {[%emt 0:00:32]} 6. a4 {[%emt 0:02:04]} b4 {[%emt 0:00:33]} 7. a5 {[%emt 0:02:23]} Na6 {[%emt 0:00:59]} 8. c3 {[%emt 0:01:54]} Be7 {[%emt 0:01:46]} 9. dxc5 {[%emt 0:05:19]} Bxc5 {[%emt 0:01:40]} 10. cxb4 {[%emt 0:01:52]} Nxb4 {[%emt 0:07:21]} 11. Nc3 {[%emt 0:01:09]} O-O {[%emt 0:03:47]} 12. Bg5 {[%emt 0:07:32]} d5 {[%emt 0:09:23]} 13. Ne5 {[%emt 0:03:03]} Rb8 {[%emt 1:07:51]} 14. Bxf6 gxf6 {[%emt 0:00:00]} 15. Nd3 Nxd3 {[%emt 0:00:00]} 16. Qxd3 {[%emt 0:17:05]} Qd6 {[%emt 0:00:00]} 17. Ra4 {[%emt 0:03:46]} f5 {[%emt 0:00:00]} 18. Rh4 {[%emt 0:07:37]} f6 {[%emt 0:00:00]} 19. Rd1 {[%emt 0:09:47]} Rf7 {[%emt 0:00:00]} 20. Nb5 {[%emt 0:09:01]} Qe5 {[%emt 0:00:00]} 21. Nd4 {[%emt 0:19:15]} Rc7 {[%emt 0:00:00]} 22. b4 {[%emt 0:00:00]} Bxd4 {[%emt 0:00:00]} 23. Rxd4 {[%emt 0:00:00]} Bc6 {[%emt 0:00:00]} 24. e3 {[%emt 0:00:00]} Bb5 {[%emt 0:00:00]} 25. Qb3 {[%emt 0:00:00]} Bc4 {[%emt 0:00:00]} 26. Qa4 {[%emt 0:00:00]} Qd6 {[%emt 0:00:00]} 27. Rb1 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 28. Bf1 {[%emt 0:00:00]} Bb5 {[%emt 0:00:00]} 29. Qa1 {[%emt 0:00:00]} Qc6 {[%emt 0:00:00]} 30. Rdd1 {[%emt 0:00:00]} Qc3 {[%emt 0:00:00]} 31. Qxc3 {[%emt 0:00:01]} Rxc3 {[%emt 0:00:00]} 32. Rdc1 {[%emt 0:00:21]} Rxc1 {[%emt 0:01:07]} 33. Rxc1 {[%emt 0:00:01]} Kf7 {[%emt 0:01:33]} 34. Rc7+ {[%emt 0:00:23]} Kg6 {[%emt 0:01:15]} 35. Bxb5 {[%emt 0:00:41]} Rxb5 {[%emt 0:00:32]} 36. Rc6 {[%emt 0:00:10]} Rxb4 {[%emt 0:00:19]} 37. Rxe6 {[%emt 0:00:13]} d4 {[%emt 0:00:20]} 38. exd4 {[%emt 0:00:21]} Rxd4 {[%emt 0:00:06]} 39. Kg2 {[%emt 0:01:09]} f4 {[%emt 0:00:25]} 40. Rxa6 {[%emt 0:01:39]} fxg3 {[%emt 0:00:09]} 41. hxg3 {[%emt 0:00:08]} Ra4 {[%emt 0:01:51]} 42. Ra8 {[%emt 0:00:16]} Ra3 {[%emt 0:01:17]} 43. a6 {[%emt 0:00:06]} Kf5 {[%emt 0:00:26]} 44. Kh3 {[%emt 0:00:49]} Ra2 {[%emt 0:00:41]} 45. a7 {[%emt 0:00:56]} Ra3 {[%emt 0:01:00]} 46. Kh4 {[%emt 0:00:33]} Ra1 {[%emt 0:00:30]} 47. Kh3 {[%emt 0:00:14]} Ra3 {[%emt 0:00:30]} 48. Kg2 {[%emt 0:00:13]} Ra2 {[%emt 0:00:39]} 49. Kf3 {[%emt 0:00:06]} Ra3+ {[%emt 0:00:06]} 50. Ke2 {[%emt 0:00:06]} Ra2+ {[%emt 0:00:17]} 51. Ke3 {[%emt 0:00:07]} Ra3+ {[%emt 0:00:39]} 52. Kd4 {[%emt 0:00:20]} Ra5 {[%emt 0:01:58]} 53. Kc4 {[%emt 0:00:25]} Ra2 {[%emt 0:00:39]} 54. Kd5 {[%emt 0:00:29]} Rd2+ {[%emt 0:00:31]} 55. Kc5 {[%emt 0:00:14]} Ra2 {[%emt 0:00:28]} 56. Kd6 {[%emt 0:00:20]} Ra6+ {[%emt 0:00:31]} 57. Ke7 {[%emt 0:00:11]} h5 {[%emt 0:00:38]} 58. Kf7 {[%emt 0:00:09]} Ra2 {[%emt 0:01:06]} 59. Kg7 {[%emt 0:00:36]} Ra4 {[%emt 0:00:28]} 60. f3 {[%emt 0:01:46]} Ra6 {[%emt 0:01:58]} 61. Kf7 {[%emt 0:00:21]} Ra3 {[%emt 0:01:29]} 62. g4+ {[%emt 0:00:50]} hxg4 {[%emt 0:00:13]} 63. fxg4+ {[%emt 0:00:01]} Kf4 {[%emt 0:00:39]} 64. Kxf6 {[%emt 0:00:23]} Ra1 {[%emt 0:00:29]} 65. Kf7 {[%emt 0:00:21]} Ra2 {[%emt 0:00:34]} 66. g5 {[%emt 0:00:16]} Kf5 {[%emt 0:00:09]} 67. g6 {[%emt 0:00:14]} Rc2 {[%emt 0:00:41]} 68. Rf8 {[%emt 0:00:17]} Rc7+ {[%emt 0:00:29]} 69. Ke8+ {[%emt 0:00:01]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.22"]
[White "Perez Rodriguez, Luis Manuel"]
[Black "Pla, Silvio"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2324"]
[BlackElo "2113"]
[Annotator "NA"]
[PlyCount "57"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:01:54]} e5 2. Nf3 {[%emt 0:00:16]} Nf6 {[%emt 0:01:00]} 3. Nxe5 {[%emt 0:01:31]} d6 {[%emt 0:00:07]} 4. Nf3 {[%emt 0:00:24]} Nxe4 {[%emt 0:00:09]} 5. d3 {[%emt 0:00:36]} Nf6 {[%emt 0:00:33]} 6. d4 {[%emt 0:00:08]} d5 {[%emt 0:03:29]} 7. Bd3 {[%emt 0:00:40]} Bg4 {[%emt 0:06:51]} 8. O-O {[%emt 0:02:09]} Be7 {[%emt 0:00:43]} 9. Bg5 {[%emt 0:00:46]} h6 {[%emt 0:00:59]} 10. Bxf6 {[%emt 0:14:23]} Bxf6 {[%emt 0:00:06]} 11. Re1+ {[%emt 0:00:03]} Be7 {[%emt 0:23:56]} 12. h3 {[%emt 0:07:31]} Bxf3 {[%emt 0:02:58]} 13. Qxf3 {[%emt 0:00:08]} O-O {[%emt 0:00:05]} 14. Nd2 {[%emt 0:00:47]} Nc6 {[%emt 0:04:36]} 15. c3 {[%emt 0:01:41]} Qd6 {[%emt 0:10:22]} 16. Nf1 {[%emt 0:01:37]} Bg5 {[%emt 0:10:00]} 17. g3 {[%emt 0:04:47]} g6 {[%emt 0:02:45]} 18. h4 {[%emt 0:00:45]} Bf6 {[%emt 0:00:02]} 19. Ne3 {[%emt 0:01:25]} Ne7 20. Ng4 {[%emt 0:10:42]} Bg7 {[%emt 0:01:18]} 21. Qe3 {[%emt 0:06:25]} Rae8 {[%emt 0:15:52]} 22. Nxh6+ {[%emt 0:42:52]} Kh7 23. Ng4 Ng8 24. Qf3 f5 25. Rxe8 Rxe8 26. Ne3 Qf8 27. h5 Ne7 28. hxg6+ Kxg6 29. Qg4+ 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.23"]
[White "Dominguez Aguilar, Guillermo"]
[Black "Fernandez Sanchez, Mario Andres"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2321"]
[BlackElo "2093"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:12:55]} c6 {[%emt 0:00:14]} 2. d4 {[%emt 0:00:56]} d5 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:14]} dxe4 {[%emt 0:00:10]} 4. Nxe4 {[%emt 0:00:10]} Nf6 {[%emt 0:00:09]} 5. Nxf6+ {[%emt 0:00:19]} exf6 {[%emt 0:00:02]} 6. c3 {[%emt 0:00:15]} Bd6 {[%emt 0:00:18]} 7. Bd3 {[%emt 0:00:58]} O-O {[%emt 0:00:14]} 8. Ne2 {[%emt 0:00:41]} Re8 {[%emt 0:01:02]} 9. Qc2 {[%emt 0:00:58]} h5 {[%emt 0:09:02]} 10. Be3 {[%emt 0:02:24]} Qa5 11. O-O {[%emt 0:03:18]} h4 {[%emt 0:09:32]} 12. Rfe1 Qc7 {[%emt 0:20:15]} 13. h3 Be6 {[%emt 0:10:17]} 14. c4 {[%emt 0:05:52]} Nd7 {[%emt 0:02:34]} 15. Rac1 {[%emt 0:01:11]} Nf8 16. Qd2 Ng6 {[%emt 0:04:36]} 17. Kh1 {[%emt 0:06:07]} Qd7 {[%emt 0:07:18]} 18. Ng1 {[%emt 0:01:26]} Bc7 {[%emt 0:07:56]} 19. Bxg6 {[%emt 0:00:49]} fxg6 {[%emt 0:00:17]} 20. Bf4 {[%emt 0:00:42]} Bxf4 {[%emt 0:04:52]} 21. Qxf4 {[%emt 0:00:08]} g5 {[%emt 0:00:05]} 22. Qd2 {[%emt 0:01:24]} Rad8 {[%emt 0:04:59]} 23. Nf3 {[%emt 0:00:15]} g4 {[%emt 0:08:59]} 24. hxg4 {[%emt 0:00:56]} Bxg4 {[%emt 0:00:04]} 25. Ng1 {[%emt 0:13:15]} Kf7 {[%emt 0:00:53]} 26. Rxe8 {[%emt 0:00:44]} Rxe8 {[%emt 0:00:10]} 27. d5 Re5 {[%emt 0:01:18]} 28. f3 {[%emt 0:05:01]} Bf5 {[%emt 0:01:11]} 29. Rd1 {[%emt 0:01:46]} g5 {[%emt 0:02:14]} 30. Qd4 {[%emt 0:01:20]} cxd5 {[%emt 0:01:10]} 31. cxd5 {[%emt 0:00:25]} Kg6 32. d6 {[%emt 0:03:34]} Re6 {[%emt 0:02:11]} 33. Qd5 {[%emt 0:02:46]} a6 {[%emt 0:00:37]} 34. a4 {[%emt 0:04:45]} Re5 {[%emt 0:00:19]} 35. Qg8+ {[%emt 0:08:24]} Kh6 {[%emt 0:00:01]} 36. Rd4 {[%emt 0:01:56]} Re6 {[%emt 0:01:39]} 37. Qb8 {[%emt 0:08:21]} Re8 {[%emt 0:01:11]} 38. Qa7 {[%emt 0:00:07]} Qc6 {[%emt 0:01:02]} 39. Rd2 {[%emt 0:00:14]} h3 {[%emt 0:00:42]} 40. Qd4 {[%emt 0:03:14]} hxg2+ {[%emt 0:00:33]} 41. Kxg2 {[%emt 0:00:46]} Kg6 {[%emt 0:00:20]} 42. Kg3 {[%emt 0:01:44]} Rh8 {[%emt 0:00:19]} 43. b3 {[%emt 0:02:05]} Rh1 {[%emt 0:00:32]} 44. Kg2 {[%emt 0:10:05]} Rh4 {[%emt 0:00:50]} 45. Qe3 {[%emt 0:01:18]} Rh7 {[%emt 0:01:14]} 46. Ne2 {[%emt 0:01:07]} Rd7 {[%emt 0:00:38]} 47. Qe8+ {[%emt 0:00:15]} Kg7 {[%emt 0:00:28]} 48. Nd4 {[%emt 0:00:59]} Qd5 {[%emt 0:00:04]} 49. Nxf5+ {[%emt 0:00:31]} Qxf5 {[%emt 0:00:01]} 50. Re2 {[%emt 0:00:08]} Rf7 {[%emt 0:01:00]} 51. Re7 {[%emt 0:07:40]} Qc2+ {[%emt 0:00:10]} 52. Kg3 {[%emt 0:07:41]} Qxb3 {[%emt 0:01:38]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.24"]
[White "Capo Vidal, Uriel"]
[Black "Fernandez Pozas, Pablo Antonio"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2306"]
[BlackElo "2072"]
[Annotator "NA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:12:09]} e6 {[%emt 0:00:10]} 2. Nf3 {[%emt 0:02:07]} Nf6 {[%emt 0:00:14]} 3. Bf4 {[%emt 0:00:12]} c5 {[%emt 0:00:22]} 4. e3 {[%emt 0:00:05]} d5 {[%emt 0:00:05]} 5. c3 {[%emt 0:01:35]} Nc6 {[%emt 0:00:13]} 6. Nbd2 {[%emt 0:00:14]} Bd6 {[%emt 0:00:44]} 7. Bg3 {[%emt 0:01:26]} O-O {[%emt 0:00:30]} 8. Bd3 {[%emt 0:00:39]} b6 {[%emt 0:00:27]} 9. Ne5 {[%emt 0:01:01]} Ne7 {[%emt 0:00:26]} 10. f4 {[%emt 0:01:59]} Bb7 {[%emt 0:02:55]} 11. Qb1 {[%emt 0:04:07]} Nf5 {[%emt 0:27:43]} 12. Bxf5 {[%emt 0:00:47]} exf5 {[%emt 0:00:03]} 13. Qxf5 Ne4 {[%emt 0:04:48]} 14. Nxe4 {[%emt 0:04:19]} dxe4 {[%emt 0:00:06]} 15. Rd1 {[%emt 0:08:05]} Qc7 {[%emt 0:04:25]} 16. Nc4 {[%emt 0:07:58]} Be7 {[%emt 0:10:30]} 17. d5 {[%emt 0:00:49]} Rad8 {[%emt 0:01:59]} 18. Qxe4 {[%emt 0:01:10]} Bf6 {[%emt 0:00:54]} 19. Qf3 {[%emt 0:03:05]} Qd7 {[%emt 0:11:28]} 20. e4 {[%emt 0:00:49]} Qa4 {[%emt 0:00:17]} 21. Ne3 {[%emt 0:01:56]} Qxa2 {[%emt 0:02:50]} 22. e5 {[%emt 0:02:12]} Qxb2 {[%emt 0:04:29]} 23. O-O {[%emt 0:00:43]} Qxc3 {[%emt 0:01:45]} 24. Be1 {[%emt 0:00:26]} Qb2 {[%emt 0:03:54]} 25. Rf2 {[%emt 0:00:17]} Bxe5 {[%emt 0:04:11]} 26. Rxb2 {[%emt 0:00:56]} Bxb2 {[%emt 0:00:03]} 27. Nf5 Rfe8 {[%emt 0:00:30]} 28. Bh4 Rd7 {[%emt 0:00:30]} 29. Rd2 Bd4+ {[%emt 0:00:30]} 30. Rxd4 cxd4 {[%emt 0:00:30]} 31. Qg4 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.25"]
[White "Avila Bautista, Roberto Al"]
[Black "Sanchez Enriquez, Oscar Gerardo"]
[Result "0-1"]
[ECO "A24"]
[WhiteElo "2090"]
[BlackElo "2305"]
[Annotator "NA"]
[PlyCount "68"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:03]} g6 2. c4 {[%emt 0:01:15]} Bg7 3. Nc3 {[%emt 0:00:30]} d6 {[%emt 0:02:47]} 4. g3 {[%emt 0:00:18]} Nf6 {[%emt 0:00:51]} 5. Bg2 {[%emt 0:00:11]} O-O {[%emt 0:00:09]} 6. O-O {[%emt 0:00:11]} e5 {[%emt 0:00:05]} 7. b3 {[%emt 0:00:33]} Nh5 {[%emt 0:02:53]} 8. Bb2 {[%emt 0:07:11]} f5 {[%emt 0:04:33]} 9. e3 {[%emt 0:01:22]} c6 10. Rc1 {[%emt 0:05:27]} Re8 {[%emt 0:09:05]} 11. Qc2 {[%emt 0:05:31]} a6 12. Rfd1 {[%emt 0:08:47]} Nf6 13. Ne1 {[%emt 0:17:02]} g5 {[%emt 0:10:20]} 14. d4 {[%emt 0:01:21]} e4 {[%emt 0:02:32]} 15. b4 {[%emt 0:01:44]} d5 16. cxd5 {[%emt 0:13:35]} cxd5 {[%emt 0:01:42]} 17. Na4 {[%emt 0:00:57]} Nc6 {[%emt 0:00:20]} 18. a3 {[%emt 0:00:28]} f4 {[%emt 0:01:32]} 19. Bf1 Rf8 {[%emt 0:05:51]} 20. Qc5 {[%emt 0:13:50]} fxe3 {[%emt 0:01:32]} 21. fxe3 {[%emt 0:00:03]} Ng4 {[%emt 0:00:45]} 22. Ng2 {[%emt 0:02:00]} Be6 {[%emt 0:04:00]} 23. Be2 {[%emt 0:02:39]} Rf3 {[%emt 0:05:04]} 24. Nb6 {[%emt 0:04:34]} Bf8 {[%emt 0:00:58]} 25. Bxf3 exf3 {[%emt 0:00:30]} 26. Qc3 Qxb6 {[%emt 0:00:30]} 27. h3 Nf6 {[%emt 0:00:30]} 28. Rf1 Ne4 {[%emt 0:00:30]} 29. Qc2 fxg2 {[%emt 0:00:30]} 30. Qxg2 Bd6 {[%emt 0:00:30]} 31. Rf3 g4 {[%emt 0:00:30]} 32. hxg4 Bxg4 {[%emt 0:00:30]} 33. Rcf1 Qd8 {[%emt 0:00:30]} 34. Bc3 Qg5 {[%emt 0:00:30]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.26"]
[White "Herrera Ortiz, Miguel"]
[Black "Ortiz Verdezoto, Anahi"]
[Result "1-0"]
[ECO "C92"]
[WhiteElo "2297"]
[BlackElo "2047"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:02:47]} e5 {[%emt 0:00:12]} 2. Nf3 {[%emt 0:00:27]} Nc6 {[%emt 0:00:12]} 3. Bb5 {[%emt 0:00:12]} a6 4. Ba4 {[%emt 0:00:15]} Nf6 {[%emt 0:00:29]} 5. O-O {[%emt 0:00:12]} Be7 {[%emt 0:00:10]} 6. Re1 {[%emt 0:00:29]} b5 {[%emt 0:00:30]} 7. Bb3 {[%emt 0:00:12]} d6 {[%emt 0:00:07]} 8. c3 {[%emt 0:00:19]} O-O {[%emt 0:00:37]} 9. h3 {[%emt 0:00:13]} Bb7 {[%emt 0:00:40]} 10. d4 {[%emt 0:00:23]} Re8 {[%emt 0:00:46]} 11. Nbd2 {[%emt 0:00:20]} Bf8 {[%emt 0:00:31]} 12. a3 {[%emt 0:00:31]} Nb8 {[%emt 0:02:39]} 13. Ng5 {[%emt 0:03:06]} Re7 {[%emt 0:03:10]} 14. Ndf3 {[%emt 0:00:49]} exd4 15. Nxf7 {[%emt 0:10:36]} Rxf7 {[%emt 0:15:37]} 16. Ng5 {[%emt 0:00:19]} d5 {[%emt 0:02:22]} 17. e5 {[%emt 0:01:12]} Re7 {[%emt 0:04:17]} 18. exf6 {[%emt 0:04:39]} Rxe1+ {[%emt 0:00:06]} 19. Qxe1 {[%emt 0:00:14]} Qxf6 {[%emt 0:00:59]} 20. cxd4 {[%emt 0:03:15]} Qe7 {[%emt 0:08:36]} 21. Bf4 {[%emt 0:02:59]} Nd7 {[%emt 0:03:59]} 22. Qc3 {[%emt 0:12:57]} Re8 {[%emt 0:05:06]} 23. Qxc7 {[%emt 0:03:52]} Ba8 {[%emt 0:04:47]} 24. Nf3 Qf7 {[%emt 0:04:29]} 25. Bd6 {[%emt 0:07:56]} Bxd6 {[%emt 0:14:34]} 26. Qxd6 {[%emt 0:00:57]} Qe6 {[%emt 0:01:57]} 27. Qxe6+ {[%emt 0:01:10]} Rxe6 {[%emt 0:00:02]} 28. Kf1 {[%emt 0:04:36]} Nb6 29. Bc2 {[%emt 0:02:32]} g6 {[%emt 0:08:08]} 30. Bd3 {[%emt 0:03:31]} Nc4 {[%emt 0:03:06]} 31. b3 {[%emt 0:03:08]} Na5 32. Rc1 {[%emt 0:02:00]} Bc6 {[%emt 0:03:30]} 33. Ne5 {[%emt 0:01:41]} Be8 {[%emt 0:01:29]} 34. Bc2 {[%emt 0:01:30]} Nc6 {[%emt 0:02:18]} 35. Nf3 {[%emt 0:00:16]} Rf6 {[%emt 0:03:04]} 36. Re1 {[%emt 0:02:45]} Bf7 {[%emt 0:00:03]} 37. Re3 {[%emt 0:00:36]} Rf4 {[%emt 0:00:58]} 38. g3 {[%emt 0:00:34]} Rf6 {[%emt 0:00:15]} 39. Kg2 {[%emt 0:04:47]} b4 {[%emt 0:00:20]} 40. axb4 {[%emt 0:02:06]} Nxb4 {[%emt 0:00:05]} 41. Bd1 {[%emt 0:00:28]} Nc6 {[%emt 0:04:15]} 42. Be2 {[%emt 0:00:54]} Kg7 {[%emt 0:00:07]} 43. Rc3 {[%emt 0:07:46]} h6 {[%emt 0:03:53]} 44. h4 {[%emt 0:02:44]} Be8 {[%emt 0:01:39]} 45. Bxa6 {[%emt 0:01:46]} Nxd4 {[%emt 0:01:22]} 46. Rc7+ {[%emt 0:00:15]} Kf8 {[%emt 0:00:42]} 47. Nxd4 {[%emt 0:00:20]} Rxa6 {[%emt 0:00:02]} 48. Kf3 {[%emt 0:00:36]} Rb6 {[%emt 0:00:51]} 49. Ke3 {[%emt 0:01:06]} g5 {[%emt 0:00:07]} 50. hxg5 {[%emt 0:00:42]} hxg5 {[%emt 0:00:02]} 51. f3 {[%emt 0:00:35]} Bf7 {[%emt 0:01:23]} 52. Kd3 {[%emt 0:00:26]} g4 {[%emt 0:01:57]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.27"]
[White "Rosales Campos, Paul"]
[Black "Sandoval Mercado, Carlos"]
[Result "1/2-1/2"]
[ECO "B87"]
[WhiteElo "2039"]
[BlackElo "2289"]
[Annotator "NA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:17]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:23]} d6 {[%emt 0:00:03]} 3. d4 {[%emt 0:00:31]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:26]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:29]} a6 {[%emt 0:00:50]} 6. Bc4 {[%emt 0:00:34]} e6 {[%emt 0:00:22]} 7. Bb3 {[%emt 0:00:27]} b5 {[%emt 0:03:28]} 8. Bg5 {[%emt 0:01:20]} Be7 {[%emt 0:00:27]} 9. Qf3 {[%emt 0:01:04]} Qc7 {[%emt 0:03:17]} 10. Bxf6 {[%emt 0:02:42]} Bxf6 {[%emt 0:27:49]} 11. e5 {[%emt 0:03:03]} Bxe5 {[%emt 0:00:02]} 12. Qxa8 {[%emt 0:00:39]} Bxd4 {[%emt 0:00:08]} 13. Qf3 {[%emt 0:00:56]} Bb7 {[%emt 0:05:07]} 14. Qg3 {[%emt 0:01:22]} O-O {[%emt 0:03:48]} 15. O-O-O {[%emt 0:00:43]} Nc6 {[%emt 0:14:51]} 16. Ne4 {[%emt 0:12:08]} Be5 {[%emt 0:38:00]} 17. f4 {[%emt 0:12:08]} Nd4 {[%emt 0:00:00]} 18. Rhe1 {[%emt 0:09:52]} Nxb3+ {[%emt 0:00:00]} 19. axb3 {[%emt 0:01:13]} Bxe4 {[%emt 0:00:00]} 20. Rxe4 {[%emt 0:01:06]} Bf6 {[%emt 0:00:00]} 21. Re2 {[%emt 0:06:24]} a5 {[%emt 0:00:00]} 22. Qd3 {[%emt 0:04:06]} d5 {[%emt 0:00:00]} 23. f5 {[%emt 0:05:49]} exf5 {[%emt 0:00:00]} 24. Qxb5 {[%emt 0:01:57]} d4 {[%emt 0:00:00]} 25. Re8 {[%emt 0:01:53]} g6 {[%emt 0:00:00]} 26. h3 {[%emt 0:04:23]} Rxe8 {[%emt 0:00:00]} 27. Qxe8+ {[%emt 0:00:06]} Kg7 {[%emt 0:00:00]} 28. Kb1 {[%emt 0:01:02]} h5 {[%emt 0:00:00]} 29. Qe2 {[%emt 0:01:30]} h4 {[%emt 0:00:00]} 30. Rd3 {[%emt 0:02:09]} Qf4 {[%emt 0:00:00]} 31. Rf3 {[%emt 0:03:01]} Qd6 {[%emt 0:00:00]} 32. Rd3 {[%emt 0:09:50]} Qh2 {[%emt 0:00:00]} 33. Rf3 {[%emt 0:03:47]} Qg1+ {[%emt 0:00:00]} 34. Ka2 {[%emt 0:00:50]} Qh2 {[%emt 0:00:00]} 35. Kb1 {[%emt 0:00:49]} Qg1+ {[%emt 0:00:00]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.28"]
[White "Medina Diaz, Rafael Alejandro"]
[Black "Montes Orozco, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2287"]
[BlackElo "1914"]
[Annotator "NA"]
[PlyCount "68"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} e5 {[%emt 0:00:25]} 2. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:07]} 3. Bb5 {[%emt 0:00:05]} a6 {[%emt 0:00:29]} 4. Ba4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:07]} 5. O-O {[%emt 0:00:16]} b5 {[%emt 0:00:40]} 6. Bb3 {[%emt 0:00:05]} Bc5 {[%emt 0:00:43]} 7. c3 {[%emt 0:01:50]} d6 {[%emt 0:00:06]} 8. a4 {[%emt 0:02:01]} Bb7 {[%emt 0:01:11]} 9. d4 {[%emt 0:00:37]} Bb6 {[%emt 0:00:17]} 10. Re1 {[%emt 0:00:50]} O-O {[%emt 0:00:52]} 11. Bg5 {[%emt 0:01:02]} h6 {[%emt 0:01:15]} 12. Bh4 {[%emt 0:00:10]} exd4 {[%emt 0:12:36]} 13. cxd4 {[%emt 0:00:39]} g5 {[%emt 0:00:15]} 14. Bg3 {[%emt 0:04:37]} Re8 {[%emt 0:02:19]} 15. d5 {[%emt 0:12:30]} Ne5 {[%emt 0:07:31]} 16. Nd4 {[%emt 0:06:08]} Ng6 {[%emt 0:04:18]} 17. f3 {[%emt 0:06:58]} Nh5 {[%emt 0:05:28]} 18. Bf2 {[%emt 0:00:09]} Qf6 {[%emt 0:00:09]} 19. axb5 {[%emt 0:01:10]} Nhf4 {[%emt 0:01:35]} 20. Ne2 {[%emt 0:11:12]} Bxf2+ {[%emt 0:00:30]} 21. Kxf2 {[%emt 0:00:30]} Nxg2 {[%emt 0:03:15]} 22. Rf1 {[%emt 0:02:55]} N2h4 {[%emt 0:09:46]} 23. Nd2 {[%emt 0:03:37]} Rxe4 {[%emt 0:13:22]} 24. Kg1 {[%emt 0:05:09]} Re3 {[%emt 0:03:39]} 25. Nc3 {[%emt 0:03:49]} Ne5 {[%emt 0:02:33]} 26. f4 {[%emt 0:02:08]} Nd3 {[%emt 0:03:01]} 27. Nde4 {[%emt 0:07:38]} Qd4 {[%emt 0:04:13]} 28. Ra4 {[%emt 0:01:31]} Qa7 {[%emt 0:00:30]} 29. Kh1 {[%emt 0:00:30]} Nxf4 {[%emt 0:00:30]} 30. Nf6+ {[%emt 0:00:30]} Kg7 {[%emt 0:00:30]} 31. Rfxf4 {[%emt 0:00:30]} gxf4 {[%emt 0:00:30]} 32. Qg4+ {[%emt 0:00:30]} Ng6 {[%emt 0:16:46]} 33. Nh5+ {[%emt 0:13:52]} Kh7 {[%emt 0:00:53]} 34. Qf5 {[%emt 0:01:31]} Re7 {[%emt 0:01:57]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.29"]
[White "Arvizu Borchardt, David Ivan"]
[Black "Martin Del Campo Cardenas, Roberto Abel"]
[Result "0-1"]
[ECO "B67"]
[WhiteElo "1987"]
[BlackElo "2250"]
[Annotator "NA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:30]} c5 {[%emt 0:00:47]} 2. Nf3 {[%emt 0:00:02]} d6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:08]} 4. Nxd4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:03]} Nc6 {[%emt 0:00:10]} 6. Bg5 {[%emt 0:00:28]} e6 {[%emt 0:00:08]} 7. Qd2 {[%emt 0:00:08]} a6 {[%emt 0:00:06]} 8. O-O-O {[%emt 0:00:35]} Bd7 {[%emt 0:00:06]} 9. f4 {[%emt 0:00:54]} b5 {[%emt 0:00:57]} 10. Bxf6 {[%emt 0:00:19]} gxf6 {[%emt 0:00:06]} 11. Kb1 {[%emt 0:03:11]} Qb6 {[%emt 0:02:31]} 12. Nxc6 {[%emt 0:09:34]} Bxc6 {[%emt 0:00:30]} 13. f5 {[%emt 0:00:43]} b4 {[%emt 0:04:26]} 14. Ne2 {[%emt 0:00:06]} e5 {[%emt 0:00:46]} 15. Ng3 {[%emt 0:00:43]} Qc5 {[%emt 0:00:44]} 16. Be2 {[%emt 0:06:27]} a5 {[%emt 0:04:47]} 17. Nh5 {[%emt 0:04:41]} Be7 {[%emt 0:00:34]} 18. Ng7+ {[%emt 0:02:31]} Kd7 {[%emt 0:01:15]} 19. Bf3 {[%emt 0:01:40]} a4 {[%emt 0:05:01]} 20. Rc1 {[%emt 0:02:51]} a3 {[%emt 0:03:02]} 21. b3 {[%emt 0:01:11]} Bf8 {[%emt 0:00:45]} 22. Nh5 {[%emt 0:02:58]} Bh6 {[%emt 0:00:44]} 23. Qd3 {[%emt 0:04:06]} Bxc1 {[%emt 0:01:34]} 24. Rxc1 {[%emt 0:00:04]} Ke7 {[%emt 0:00:21]} 25. c4 {[%emt 0:01:46]} bxc3 {[%emt 0:02:49]} 26. Rxc3 {[%emt 0:00:23]} Bb5 {[%emt 0:00:58]} 27. Qd2 {[%emt 0:01:53]} Qg1+ {[%emt 0:01:16]} 28. Rc1 {[%emt 0:00:42]} Qb6 {[%emt 0:00:14]} 29. h4 {[%emt 0:02:41]} Rac8 {[%emt 0:03:47]} 30. Rd1 {[%emt 0:04:47]} Rhg8 {[%emt 0:03:00]} 31. Qh6 {[%emt 0:04:05]} Qf2 {[%emt 0:00:45]} 32. Qxf6+ {[%emt 0:06:13]} Ke8 {[%emt 0:00:17]} 33. Qh6 {[%emt 0:40:37]} Ke7 34. Qd2 {[%emt 0:00:30]} Bd3+ 35. Ka1 {[%emt 0:00:30]} Qxd2 {[%emt 1:05:15]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.30"]
[White "Fernandez Rivero, Karla July"]
[Black "Frey Beckman, Kenneth"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2025"]
[BlackElo "2242"]
[Annotator "NA"]
[PlyCount "82"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:08]} 2. c4 {[%emt 0:00:22]} e6 {[%emt 0:00:10]} 3. Nf3 {[%emt 0:00:22]} d5 {[%emt 0:00:23]} 4. g3 {[%emt 0:00:26]} Bb4+ {[%emt 0:00:14]} 5. Bd2 {[%emt 0:00:52]} Be7 {[%emt 0:00:15]} 6. Qc2 {[%emt 0:01:16]} O-O {[%emt 0:00:45]} 7. Bg2 {[%emt 0:00:24]} c6 {[%emt 0:00:28]} 8. O-O {[%emt 0:01:23]} b6 {[%emt 0:00:15]} 9. b3 {[%emt 0:01:49]} a5 {[%emt 0:01:08]} 10. Rc1 {[%emt 0:03:10]} Ba6 {[%emt 0:01:26]} 11. Bf4 {[%emt 0:04:56]} Nh5 {[%emt 0:00:34]} 12. Bd2 {[%emt 0:03:36]} Nd7 {[%emt 0:05:21]} 13. a4 {[%emt 0:07:25]} Nhf6 {[%emt 0:03:52]} 14. Be1 {[%emt 0:01:16]} Rc8 {[%emt 0:00:43]} 15. Nbd2 {[%emt 0:01:04]} c5 {[%emt 0:00:35]} 16. e3 {[%emt 0:01:09]} cxd4 {[%emt 0:09:44]} 17. exd4 {[%emt 0:04:10]} Bb4 {[%emt 0:05:48]} 18. Qb2 {[%emt 0:05:02]} Qe7 {[%emt 0:04:16]} 19. Bf1 {[%emt 0:11:43]} Bb7 {[%emt 0:03:36]} 20. Bg2 {[%emt 0:06:40]} Ba8 {[%emt 0:12:42]} 21. Nf1 {[%emt 0:02:41]} Bxe1 {[%emt 0:17:07]} 22. Nxe1 {[%emt 0:01:15]} e5 {[%emt 0:00:19]} 23. Ne3 {[%emt 0:06:26]} exd4 {[%emt 0:00:23]} 24. Qxd4 {[%emt 0:05:11]} Qc5 {[%emt 0:03:29]} 25. Qf4 {[%emt 0:03:17]} dxc4 {[%emt 0:03:20]} 26. Bxa8 {[%emt 0:03:54]} Rxa8 {[%emt 0:00:11]} 27. Nd3 {[%emt 0:01:56]} cxd3 {[%emt 0:05:30]} 28. Rxc5 {[%emt 0:00:09]} Nxc5 {[%emt 0:00:07]} 29. Rb1 {[%emt 0:09:45]} Rfd8 {[%emt 0:02:19]} 30. Qf3 {[%emt 0:04:21]} Nfe4 {[%emt 0:02:32]} 31. Qg4 {[%emt 0:03:15]} Nc3 {[%emt 0:03:32]} 32. Rf1 {[%emt 0:00:41]} Rd4 {[%emt 0:04:32]} 33. Qg5 {[%emt 0:01:52]} Rad8 {[%emt 0:03:19]} 34. h4 {[%emt 0:01:46]} d2 {[%emt 0:00:58]} 35. Nd1 {[%emt 0:02:08]} h6 {[%emt 0:01:14]} 36. Qe3 {[%emt 0:00:26]} Nxd1 {[%emt 0:00:26]} 37. Rxd1 {[%emt 0:00:05]} Rd3 {[%emt 0:00:18]} 38. Qe5 {[%emt 0:01:29]} Rxb3 {[%emt 0:00:56]} 39. Qc7 {[%emt 0:00:47]} Rbd3 {[%emt 0:00:10]} 40. Qxb6 {[%emt 0:00:25]} Nxa4 {[%emt 0:00:09]} 41. Qxa5 {[%emt 0:00:42]} Nb2 {[%emt 0:00:09]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.31"]
[White "Blanco Fernandez, Alvaro"]
[Black "Encinas Varela, David"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2216"]
[BlackElo "1862"]
[Annotator "NA"]
[PlyCount "131"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 1:31:00]} Nf6 {[%emt 0:00:11]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:36]} 4. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:01]} 5. Be2 {[%emt 0:00:00]} O-O {[%emt 0:00:07]} 6. Be3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:47]} 7. Nf3 {[%emt 0:00:00]} e5 {[%emt 0:00:24]} 8. d5 {[%emt 0:00:00]} Ne7 {[%emt 0:00:12]} 9. Nd2 {[%emt 0:00:00]} Nd7 {[%emt 0:02:19]} 10. Qc2 {[%emt 0:00:00]} f5 {[%emt 0:00:49]} 11. f3 {[%emt 0:00:00]} b6 {[%emt 0:05:06]} 12. O-O-O {[%emt 0:00:00]} a5 {[%emt 0:00:46]} 13. Kb1 {[%emt 0:00:00]} Nc5 {[%emt 0:00:21]} 14. Nb3 {[%emt 0:00:00]} Bd7 {[%emt 0:01:05]} 15. Nxc5 {[%emt 0:00:00]} bxc5 {[%emt 0:00:28]} 16. a4 {[%emt 0:00:00]} Nc8 {[%emt 0:11:20]} 17. Nb5 {[%emt 0:00:00]} Nb6 {[%emt 0:00:14]} 18. b3 {[%emt 0:00:00]} Be8 {[%emt 0:07:56]} 19. Bd3 {[%emt 0:00:00]} Nd7 {[%emt 0:02:41]} 20. g4 {[%emt 0:00:00]} f4 {[%emt 0:18:41]} 21. Bf2 {[%emt 0:00:00]} Nb8 {[%emt 0:00:26]} 22. Bf1 {[%emt 0:00:00]} Na6 {[%emt 0:02:14]} 23. h4 {[%emt 0:00:00]} Nb4 {[%emt 0:02:55]} 24. Qe2 {[%emt 0:00:00]} Bxb5 {[%emt 0:03:56]} 25. cxb5 {[%emt 0:00:00]} h6 {[%emt 0:00:06]} 26. g5 {[%emt 0:00:00]} h5 {[%emt 0:00:31]} 27. Bh3 {[%emt 0:00:00]} Re8 {[%emt 0:10:03]} 28. Kb2 {[%emt 0:00:00]} Rb8 {[%emt 0:06:26]} 29. Qc4 {[%emt 0:00:00]} Kh7 {[%emt 0:00:47]} 30. Ra1 {[%emt 0:00:00]} Rb7 {[%emt 0:13:42]} 31. Rhc1 {[%emt 0:00:00]} Qb8 {[%emt 0:00:47]} 32. Be1 {[%emt 0:00:00]} Qa7 {[%emt 0:01:18]} 33. Bc3 {[%emt 0:00:00]} Re7 {[%emt 0:00:36]} 34. Rd1 {[%emt 0:00:00]} Bf8 {[%emt 0:01:19]} 35. Rd2 {[%emt 0:00:00]} Rg7 {[%emt 0:00:37]} 36. Qf1 {[%emt 0:00:00]} Re7 {[%emt 0:01:00]} 37. Rc1 {[%emt 0:00:00]} Rb8 {[%emt 0:00:09]} 38. Be6 {[%emt 0:00:00]} Ra8 {[%emt 0:00:48]} 39. Qh3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:19]} 40. Bf5 {[%emt 0:00:00]} Rf8 {[%emt 0:00:07]} 41. Be6 {[%emt 0:00:00]} Qb6 {[%emt 0:00:22]} 42. Qg2 {[%emt 0:00:00]} c6 {[%emt 0:01:55]} 43. Bxb4 {[%emt 0:00:00]} cxb5 {[%emt 0:00:08]} 44. Ba3 {[%emt 0:00:00]} b4 {[%emt 0:00:05]} 45. Rc4 {[%emt 0:00:00]} bxa3+ {[%emt 0:00:05]} 46. Kxa3 {[%emt 0:00:00]} Rb8 {[%emt 0:00:24]} 47. Rb2 {[%emt 0:00:00]} Reb7 {[%emt 0:00:08]} 48. Qc2 {[%emt 0:00:00]} Qd8 {[%emt 0:01:26]} 49. Bh3 Rb4 {[%emt 0:00:23]} 50. Rxb4 {[%emt 0:00:00]} Rxb4 {[%emt 0:00:04]} 51. Bf1 {[%emt 0:00:00]} Qb8 {[%emt 0:01:24]} 52. Qg2 {[%emt 0:00:00]} Rd4 {[%emt 0:03:35]} 53. Bb5 {[%emt 0:00:00]} Qb6 {[%emt 0:00:12]} 54. Rc2 {[%emt 0:00:00]} Rd1 {[%emt 0:01:29]} 55. Rc4 {[%emt 0:00:00]} Rd3 {[%emt 0:00:40]} 56. Qh3 {[%emt 0:00:00]} Re3 {[%emt 0:00:28]} 57. Ka2 {[%emt 0:00:00]} Re2+ {[%emt 0:00:17]} 58. Kb1 {[%emt 0:00:00]} Re1+ {[%emt 0:00:07]} 59. Kc2 {[%emt 0:00:00]} Re2+ {[%emt 0:00:10]} 60. Kc1 {[%emt 0:00:00]} Re3 {[%emt 0:00:07]} 61. Kc2 {[%emt 0:00:00]} Re2+ {[%emt 0:00:03]} 62. Kc1 {[%emt 0:00:00]} Re3 {[%emt 0:00:04]} 63. Kb2 {[%emt 0:00:00]} Re2+ {[%emt 0:00:04]} 64. Ka3 {[%emt 0:00:00]} Re3 {[%emt 0:00:27]} 65. Kb2 {[%emt 0:00:00]} Re2+ {[%emt 0:00:03]} 66. Kc1 {[%emt 0:00:00]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.32"]
[White "Chinchilla Miranda, Eugenio"]
[Black "Torres Rivas, Felipe de Jesus"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2193"]
[BlackElo "1845"]
[Annotator "NA"]
[PlyCount "87"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} d5 {[%emt 0:18:26]} 2. c4 {[%emt 0:00:12]} e6 {[%emt 0:00:11]} 3. Nc3 {[%emt 0:00:11]} Nf6 {[%emt 0:00:09]} 4. Nf3 {[%emt 0:00:27]} Be7 {[%emt 0:00:42]} 5. Bf4 {[%emt 0:00:08]} O-O {[%emt 0:00:46]} 6. Rc1 {[%emt 0:00:12]} c6 {[%emt 0:02:08]} 7. e3 {[%emt 0:00:12]} Nbd7 {[%emt 0:00:15]} 8. h3 {[%emt 0:00:24]} Ne4 {[%emt 0:01:09]} 9. cxd5 {[%emt 0:04:36]} exd5 {[%emt 0:00:08]} 10. Nxe4 {[%emt 0:02:19]} dxe4 {[%emt 0:00:05]} 11. Nd2 {[%emt 0:00:21]} Nf6 {[%emt 0:00:51]} 12. Bc4 {[%emt 0:02:28]} Bf5 {[%emt 0:06:00]} 13. O-O {[%emt 0:04:05]} Nd5 {[%emt 0:00:53]} 14. Bh2 {[%emt 0:03:42]} Bd6 {[%emt 0:02:25]} 15. Qb3 {[%emt 0:06:07]} Bxh2+ {[%emt 0:00:21]} 16. Kxh2 {[%emt 0:00:05]} Qd6+ {[%emt 0:00:49]} 17. Kg1 {[%emt 0:01:19]} Nb6 {[%emt 0:21:16]} 18. a4 {[%emt 0:07:45]} Qg6 {[%emt 0:00:41]} 19. Kh2 {[%emt 0:00:27]} Qd6+ {[%emt 0:00:21]} 20. Kh1 {[%emt 0:01:08]} Qh6 {[%emt 0:00:22]} 21. Rfd1 {[%emt 0:02:22]} Qh4 {[%emt 0:09:13]} 22. a5 {[%emt 0:05:10]} Nxc4 {[%emt 0:00:29]} 23. Nxc4 {[%emt 0:03:03]} Rae8 {[%emt 0:05:05]} 24. d5 {[%emt 0:15:24]} Bxh3 {[%emt 0:13:07]} 25. gxh3 {[%emt 0:03:28]} cxd5 {[%emt 0:00:04]} 26. Rxd5 {[%emt 0:00:42]} Re6 {[%emt 0:00:19]} 27. Rd6 {[%emt 0:01:44]} Rxd6 {[%emt 0:13:02]} 28. Nxd6 {[%emt 0:01:31]} Qxh3+ {[%emt 0:02:02]} 29. Kg1 {[%emt 0:00:03]} Qg4+ {[%emt 0:00:05]} 30. Kf1 {[%emt 0:00:23]} Qf3 {[%emt 0:00:04]} 31. Qc4 {[%emt 0:02:12]} Qh1+ {[%emt 0:00:47]} 32. Ke2 {[%emt 0:00:01]} Qh5+ {[%emt 0:00:06]} 33. Ke1 {[%emt 0:01:27]} Qxa5+ {[%emt 0:03:41]} 34. b4 {[%emt 0:00:03]} Qb6 {[%emt 0:00:27]} 35. Nxe4 {[%emt 0:00:24]} h5 {[%emt 0:00:28]} 36. Ng5 {[%emt 0:01:48]} Qg6 {[%emt 0:00:32]} 37. f4 {[%emt 0:01:13]} h4 {[%emt 0:00:36]} 38. Qc2 {[%emt 0:03:27]} Qh6 {[%emt 0:00:52]} 39. Qf5 {[%emt 0:00:32]} g6 {[%emt 0:00:29]} 40. Qg4 {[%emt 0:02:28]} Re8 {[%emt 0:00:27]} 41. Rc8 {[%emt 0:00:30]} Qf8 {[%emt 0:00:27]} 42. Qxh4 {[%emt 0:06:13]} Qxb4+ {[%emt 0:00:13]} 43. Ke2 {[%emt 0:21:41]} Qb5+ 44. Kf2 {[%emt 0:00:30]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.33"]
[White "Zaragoza Alanis, Miguel Arnulfo"]
[Black "Hernandez Jimenez, Alexander Andres"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1342"]
[BlackElo "2167"]
[Annotator "NA"]
[PlyCount "76"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:04]} d6 {[%emt 0:00:07]} 3. d4 {[%emt 0:00:03]} cxd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:10]} 5. Nc3 {[%emt 0:00:04]} a6 {[%emt 0:00:08]} 6. f3 {[%emt 0:00:05]} e5 {[%emt 0:00:07]} 7. Nb3 {[%emt 0:00:03]} Be6 {[%emt 0:00:07]} 8. Be3 {[%emt 0:00:05]} h5 {[%emt 0:00:07]} 9. Nd5 {[%emt 0:01:54]} Bxd5 {[%emt 0:01:16]} 10. exd5 {[%emt 0:00:02]} Nbd7 {[%emt 0:00:16]} 11. c4 {[%emt 0:00:22]} g6 {[%emt 0:09:44]} 12. Bd3 {[%emt 0:02:19]} Bg7 {[%emt 0:00:30]} 13. Qd2 {[%emt 0:01:41]} O-O {[%emt 0:00:54]} 14. Na5 {[%emt 0:03:07]} e4 {[%emt 0:05:05]} 15. Be2 {[%emt 0:08:36]} exf3 {[%emt 0:02:37]} 16. gxf3 {[%emt 0:03:03]} Re8 {[%emt 0:00:38]} 17. Nb3 {[%emt 0:00:57]} b5 {[%emt 0:16:08]} 18. Nd4 {[%emt 0:02:21]} Ne5 {[%emt 0:01:52]} 19. b3 {[%emt 0:08:05]} bxc4 {[%emt 0:01:19]} 20. bxc4 {[%emt 0:00:41]} Rc8 {[%emt 0:00:45]} 21. Rc1 {[%emt 0:01:22]} Qd7 {[%emt 0:31:59]} 22. O-O {[%emt 0:06:42]} Qa4 {[%emt 0:00:10]} 23. Bd1 {[%emt 0:01:58]} Qa3 {[%emt 0:01:02]} 24. Rc3 {[%emt 0:22:03]} Qb4 {[%emt 0:01:28]} 25. a3 {[%emt 0:02:31]} Qa5 {[%emt 0:00:22]} 26. Nb3 {[%emt 0:01:38]} Qd8 {[%emt 0:06:59]} 27. Be2 {[%emt 0:01:22]} Nfd7 {[%emt 0:02:16]} 28. Rc2 {[%emt 0:06:58]} Qh4 {[%emt 0:01:28]} 29. Nd4 {[%emt 0:05:17]} Nxc4 {[%emt 0:03:39]} 30. Rxc4 {[%emt 0:02:22]} Rxc4 {[%emt 0:00:01]} 31. Nc6 {[%emt 0:03:08]} Rc3 {[%emt 0:03:05]} 32. Bf2 {[%emt 0:03:09]} Qa4 {[%emt 0:00:55]} 33. Bd1 {[%emt 0:04:10]} Qc4 {[%emt 0:01:59]} 34. Re1 {[%emt 0:00:49]} Rxe1+ {[%emt 0:00:13]} 35. Qxe1 {[%emt 0:00:10]} Ne5 {[%emt 0:00:44]} 36. Bg3 {[%emt 0:01:29]} Rc1 {[%emt 0:02:00]} 37. Kg2 {[%emt 0:00:36]} Qd3 {[%emt 0:02:48]} 38. Bxe5 {[%emt 0:03:08]} Rxd1 {[%emt 0:01:41]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.34"]
[White "Gongora Montes, Benjamin"]
[Black "Ramirez Toledo, Ayleen Maribel"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2157"]
[BlackElo "1810"]
[Annotator "NA"]
[PlyCount "91"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:13]} g6 {[%emt 0:00:06]} 3. g3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:07]} 4. Bg2 {[%emt 0:00:08]} O-O {[%emt 0:00:13]} 5. O-O {[%emt 0:00:07]} d6 {[%emt 0:00:20]} 6. c4 {[%emt 0:00:13]} Nc6 {[%emt 0:00:12]} 7. Nc3 {[%emt 0:00:10]} Bg4 {[%emt 0:00:15]} 8. h3 {[%emt 0:00:07]} Bxf3 {[%emt 0:00:07]} 9. Bxf3 {[%emt 0:00:43]} Nd7 {[%emt 0:00:08]} 10. Be3 {[%emt 0:00:47]} e5 {[%emt 0:00:32]} 11. d5 {[%emt 0:00:39]} Ne7 {[%emt 0:01:00]} 12. Bg2 {[%emt 0:06:43]} f5 {[%emt 0:03:53]} 13. f4 {[%emt 0:00:19]} h6 {[%emt 0:04:58]} 14. fxe5 {[%emt 0:04:26]} Nxe5 {[%emt 0:02:26]} 15. c5 {[%emt 0:00:09]} Nc4 {[%emt 0:02:29]} 16. Bf2 {[%emt 0:00:07]} g5 {[%emt 0:22:26]} 17. Qc2 {[%emt 0:04:01]} dxc5 {[%emt 0:04:28]} 18. Bxc5 {[%emt 0:00:22]} Nd6 {[%emt 0:00:31]} 19. Rad1 {[%emt 0:02:37]} Be5 {[%emt 0:02:35]} 20. Rd3 {[%emt 0:05:09]} Ng6 {[%emt 0:07:56]} 21. Rdf3 {[%emt 0:16:11]} Qe8 {[%emt 0:14:09]} 22. Qd3 {[%emt 0:07:45]} Ne7 {[%emt 0:04:52]} 23. Bd4 {[%emt 0:10:39]} Ng6 {[%emt 0:00:53]} 24. Bc5 {[%emt 0:05:27]} Ne7 {[%emt 0:01:32]} 25. e4 {[%emt 0:05:59]} f4 {[%emt 0:11:05]} 26. gxf4 {[%emt 0:00:14]} gxf4 {[%emt 0:00:15]} 27. Qd1 {[%emt 0:09:32]} Kh7 {[%emt 0:06:15]} 28. Rd3 {[%emt 0:00:29]} Rg8 {[%emt 0:03:20]} 29. Kh1 {[%emt 0:00:11]} Rg5 {[%emt 0:03:21]} 30. Bf3 {[%emt 0:01:34]} Qg6 {[%emt 0:01:21]} 31. Rg1 {[%emt 0:00:25]} Rg8 {[%emt 0:00:37]} 32. Rxg5 {[%emt 0:01:54]} Qxg5 {[%emt 0:00:14]} 33. Bf2 {[%emt 0:02:40]} Ng6 {[%emt 0:01:14]} 34. Qg1 {[%emt 0:00:33]} Qf6 {[%emt 0:00:48]} 35. Qg4 {[%emt 0:00:26]} Ne7 {[%emt 0:02:21]} 36. Qh4 {[%emt 0:01:47]} Qg7 {[%emt 0:00:18]} 37. Qh5 {[%emt 0:05:48]} Qf6 {[%emt 0:00:22]} 38. Bh4 {[%emt 0:01:31]} Qg7 {[%emt 0:00:04]} 39. Bg4 {[%emt 0:00:15]} Ne8 {[%emt 0:01:31]} 40. Bxe7 {[%emt 0:01:24]} Qxe7 {[%emt 0:00:03]} 41. Bf5+ {[%emt 0:00:22]} Kg7 {[%emt 0:00:34]} 42. Be6 {[%emt 0:02:03]} Nf6 {[%emt 0:00:52]} 43. Qxe5 {[%emt 0:00:11]} Rf8 {[%emt 0:00:37]} 44. Qxf4 {[%emt 0:00:40]} Rh8 {[%emt 0:00:33]} 45. Rg3+ {[%emt 0:00:16]} Kf8 {[%emt 0:00:00]} 46. e5 {[%emt 0:00:27]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.35"]
[White "Diaz Rosas, Julio Cesar"]
[Black "Santanna, Paulo"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2393"]
[BlackElo "1928"]
[Annotator "NA"]
[PlyCount "77"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:24]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:06]} e6 {[%emt 0:00:05]} 3. g3 {[%emt 0:00:11]} Nc6 {[%emt 0:01:44]} 4. Bg2 {[%emt 0:00:07]} Nf6 {[%emt 0:06:14]} 5. Qe2 {[%emt 0:00:08]} d6 {[%emt 0:00:59]} 6. O-O {[%emt 0:00:12]} Be7 {[%emt 0:01:00]} 7. c3 {[%emt 0:00:17]} O-O {[%emt 0:03:56]} 8. d4 {[%emt 0:00:32]} cxd4 {[%emt 0:05:19]} 9. cxd4 {[%emt 0:00:08]} d5 {[%emt 0:01:14]} 10. e5 {[%emt 0:00:08]} Ne4 {[%emt 0:05:46]} 11. Nc3 {[%emt 0:04:11]} Nxc3 {[%emt 0:03:59]} 12. bxc3 {[%emt 0:00:03]} b6 {[%emt 0:00:07]} 13. h4 {[%emt 0:00:46]} a5 {[%emt 0:00:37]} 14. Qc2 {[%emt 0:00:43]} Ba6 {[%emt 0:04:00]} 15. Re1 {[%emt 0:00:14]} h6 {[%emt 0:04:30]} 16. Be3 {[%emt 0:02:47]} Re8 {[%emt 0:02:26]} 17. Nh2 {[%emt 0:00:44]} Bf8 {[%emt 0:04:03]} 18. f4 {[%emt 0:00:56]} Rc8 {[%emt 0:04:04]} 19. f5 {[%emt 0:02:18]} exf5 {[%emt 0:03:57]} 20. Qxf5 {[%emt 0:00:37]} Ne7 {[%emt 0:01:59]} 21. Qc2 {[%emt 0:00:18]} Qd7 {[%emt 0:05:10]} 22. Rac1 {[%emt 0:08:59]} Rc6 {[%emt 0:04:35]} 23. Qf2 {[%emt 0:00:14]} Rec8 {[%emt 0:02:04]} 24. Bd2 {[%emt 0:00:31]} f6 {[%emt 0:13:23]} 25. Nf3 {[%emt 0:01:19]} Qf5 {[%emt 0:05:27]} 26. Kh2 {[%emt 0:01:46]} g5 {[%emt 0:04:24]} 27. exf6 {[%emt 0:02:20]} Rxf6 {[%emt 0:01:57]} 28. Re5 {[%emt 0:00:07]} Qh7 {[%emt 0:00:41]} 29. hxg5 {[%emt 0:01:03]} hxg5+ {[%emt 0:00:03]} 30. Kg1 {[%emt 0:00:14]} g4 {[%emt 0:03:25]} 31. Rg5+ {[%emt 0:00:03]} Rg6 {[%emt 0:00:18]} 32. Ne5 {[%emt 0:01:40]} Rxg5 {[%emt 0:00:39]} 33. Bxg5 {[%emt 0:00:04]} Bh6 {[%emt 0:01:40]} 34. Bxh6 {[%emt 0:01:40]} Qxh6 {[%emt 0:00:09]} 35. Bxd5+ {[%emt 0:00:19]} Kg7 {[%emt 0:00:57]} 36. Qf7+ {[%emt 0:01:27]} Kh8 {[%emt 0:00:02]} 37. Re1 {[%emt 0:00:47]} Qh3 {[%emt 0:04:53]} 38. Qf6+ {[%emt 0:00:22]} Kh7 {[%emt 0:00:06]} 39. Qxe7+ {[%emt 0:00:10]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.36"]
[White "Flores Guerrero, Jesus Aldair"]
[Black "Zacarias Rodriguez, Santiago"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "2251"]
[BlackElo "1896"]
[Annotator "NA"]
[PlyCount "80"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. f4 {[%emt 0:00:11]} Nf6 {[%emt 0:10:58]} 2. Nf3 {[%emt 0:00:16]} g6 {[%emt 0:00:26]} 3. b3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:04]} 4. Bb2 {[%emt 0:00:06]} O-O {[%emt 0:00:17]} 5. e3 {[%emt 0:00:36]} c5 {[%emt 0:00:24]} 6. Qc1 {[%emt 0:02:44]} d5 {[%emt 0:00:53]} 7. Nc3 {[%emt 0:00:09]} Nc6 {[%emt 0:12:49]} 8. Bb5 {[%emt 0:00:33]} Na5 {[%emt 0:00:45]} 9. Be2 {[%emt 0:00:19]} a6 {[%emt 0:00:13]} 10. O-O {[%emt 0:00:09]} Nc6 {[%emt 0:01:04]} 11. Nd1 {[%emt 0:00:11]} d4 {[%emt 0:01:48]} 12. Nf2 {[%emt 0:00:59]} Nd5 {[%emt 0:01:36]} 13. Nd3 {[%emt 0:04:30]} Qd6 {[%emt 0:01:09]} 14. c3 {[%emt 0:03:21]} dxc3 {[%emt 0:11:04]} 15. dxc3 {[%emt 0:00:27]} Nf6 {[%emt 0:09:52]} 16. Rd1 {[%emt 0:04:12]} b6 {[%emt 0:08:06]} 17. c4 {[%emt 0:04:03]} Qb8 {[%emt 0:01:02]} 18. Nf2 {[%emt 0:02:56]} Ne8 {[%emt 0:05:42]} 19. Bxg7 {[%emt 0:07:55]} Nxg7 {[%emt 0:00:02]} 20. Qc3 {[%emt 0:00:12]} Qc7 {[%emt 0:02:24]} 21. a3 {[%emt 0:01:17]} a5 {[%emt 0:01:37]} 22. g4 {[%emt 0:01:57]} Re8 {[%emt 0:01:23]} 23. h3 {[%emt 0:01:33]} Bb7 {[%emt 0:03:04]} 24. g5 {[%emt 0:03:01]} Bc8 {[%emt 0:01:21]} 25. Kg2 {[%emt 0:03:29]} Bf5 {[%emt 0:02:34]} 26. e4 {[%emt 0:03:29]} Bc8 {[%emt 0:01:43]} 27. e5 {[%emt 0:00:46]} Ne6 {[%emt 0:01:32]} 28. Kg3 {[%emt 0:05:47]} Ncd4 {[%emt 0:00:54]} 29. Nxd4 {[%emt 0:02:14]} Nxd4 {[%emt 0:00:02]} 30. Bd3 {[%emt 0:01:57]} Bb7 {[%emt 0:04:57]} 31. Rd2 {[%emt 0:00:22]} f6 {[%emt 0:02:36]} 32. gxf6 {[%emt 0:01:39]} exf6 {[%emt 0:00:20]} 33. Ng4 {[%emt 0:00:13]} fxe5 {[%emt 0:01:15]} 34. Nf6+ {[%emt 0:01:23]} Kf7 {[%emt 0:00:59]} 35. Nxe8 {[%emt 0:01:26]} exf4+ {[%emt 0:00:05]} 36. Kf2 {[%emt 0:00:13]} Rxe8 {[%emt 0:00:07]} 37. Rg1 {[%emt 0:03:23]} Qe7 {[%emt 0:01:18]} 38. Bxg6+ {[%emt 0:06:08]} hxg6 {[%emt 0:00:08]} 39. Rb2 {[%emt 0:01:26]} Qh4+ {[%emt 0:02:58]} 40. Kf1 {[%emt 0:00:10]} Re3 {[%emt 0:00:08]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.37"]
[White "Flores Irurso, Paul Josue"]
[Black "Guevara Sanchez, Erick Marvin"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1912"]
[BlackElo "2145"]
[Annotator "NA"]
[PlyCount "77"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:04:40]} 2. Nf3 {[%emt 0:00:34]} a6 {[%emt 0:00:08]} 3. d4 {[%emt 0:03:39]} cxd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:12]} Nf6 {[%emt 0:00:12]} 5. Bd3 {[%emt 0:01:20]} e5 {[%emt 0:04:23]} 6. Nf3 {[%emt 0:08:08]} Nc6 {[%emt 0:05:59]} 7. O-O {[%emt 0:05:13]} Bc5 {[%emt 0:00:18]} 8. Nc3 {[%emt 0:01:42]} d6 {[%emt 0:01:34]} 9. h3 {[%emt 0:04:40]} b5 {[%emt 0:06:10]} 10. a3 {[%emt 0:03:45]} h6 {[%emt 0:00:56]} 11. b4 {[%emt 0:07:13]} Bb6 {[%emt 0:09:19]} 12. Rb1 {[%emt 0:02:58]} O-O {[%emt 0:03:19]} 13. a4 {[%emt 0:03:18]} bxa4 {[%emt 0:05:30]} 14. Nxa4 {[%emt 0:00:22]} Ba7 {[%emt 0:00:25]} 15. c4 {[%emt 0:06:01]} Rb8 {[%emt 0:04:02]} 16. Bd2 {[%emt 0:04:28]} Be6 {[%emt 0:15:16]} 17. b5 {[%emt 0:23:16]} axb5 {[%emt 0:02:32]} 18. cxb5 {[%emt 0:00:07]} Nd4 {[%emt 0:00:49]} 19. b6 {[%emt 0:02:59]} Bxb6 {[%emt 0:01:11]} 20. Rxb6 {[%emt 0:02:35]} Nxf3+ {[%emt 0:04:38]} 21. Qxf3 {[%emt 0:00:19]} Rxb6 {[%emt 0:00:13]} 22. Nxb6 {[%emt 0:00:26]} Qxb6 {[%emt 0:00:23]} 23. Bxh6 {[%emt 0:00:08]} gxh6 {[%emt 0:06:52]} 24. Qxf6 {[%emt 0:00:08]} Kh7 {[%emt 0:00:08]} 25. Kh2 {[%emt 0:05:05]} Qd8 {[%emt 0:03:12]} 26. Qf3 {[%emt 0:01:04]} Qe7 {[%emt 0:02:37]} 27. Qe3 {[%emt 0:00:46]} f6 {[%emt 0:02:34]} 28. Ra1 {[%emt 0:00:38]} Rf7 {[%emt 0:01:24]} 29. Ra8 {[%emt 0:02:02]} Qb7 {[%emt 0:00:49]} 30. Ra6 {[%emt 0:01:22]} Qc7 {[%emt 0:00:25]} 31. Be2 {[%emt 0:01:46]} Rg7 {[%emt 0:00:18]} 32. Qd2 {[%emt 0:00:27]} Rd7 {[%emt 0:02:09]} 33. Bb5 {[%emt 0:00:39]} Rd8 {[%emt 0:00:15]} 34. Qe3 {[%emt 0:03:00]} Rb8 {[%emt 0:02:16]} 35. Bc6 {[%emt 0:01:02]} Bd7 {[%emt 0:02:28]} 36. Bd5 {[%emt 0:00:33]} Rc8 {[%emt 0:01:05]} 37. Ra7 {[%emt 0:00:37]} Qd8 {[%emt 0:00:14]} 38. Qb3 {[%emt 0:00:13]} Kh8 {[%emt 0:03:12]} 39. Qb7 {[%emt 0:00:12]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.38"]
[White "Alfaro, William"]
[Black "Alvidrez Aguirre, Genaro"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2143"]
[BlackElo "1880"]
[Annotator "NA"]
[PlyCount "28"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:03:18]} Nf6 {[%emt 0:01:31]} 2. Nf3 {[%emt 0:00:27]} g6 {[%emt 0:02:25]} 3. g3 {[%emt 0:02:44]} Bg7 {[%emt 0:00:16]} 4. Bg2 {[%emt 0:00:05]} d5 {[%emt 0:00:19]} 5. O-O {[%emt 0:00:07]} O-O {[%emt 0:00:06]} 6. c4 {[%emt 0:00:03]} dxc4 {[%emt 0:01:53]} 7. Na3 {[%emt 0:01:25]} c3 {[%emt 0:01:15]} 8. bxc3 {[%emt 0:00:05]} c5 {[%emt 0:00:11]} 9. Rb1 {[%emt 0:03:01]} Nc6 {[%emt 0:08:24]} 10. Bf4 {[%emt 0:18:10]} Nd5 {[%emt 0:06:57]} 11. Qc1 {[%emt 0:00:06]} cxd4 {[%emt 0:06:33]} 12. cxd4 {[%emt 0:00:20]} Nxf4 {[%emt 0:00:23]} 13. Qxf4 {[%emt 0:01:44]} Nxd4 {[%emt 0:00:52]} 14. Nxd4 {[%emt 0:00:06]} Qxd4 {[%emt 0:00:10]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.39"]
[White "Lopez Padilla, Piero Raul"]
[Black "Vega Garcia, Jorge Arturo"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1898"]
[BlackElo "2121"]
[Annotator "NA"]
[PlyCount "30"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:03:25]} Nf6 {[%emt 0:00:43]} 2. c4 {[%emt 0:00:07]} e6 {[%emt 0:01:26]} 3. g3 {[%emt 0:00:06]} d5 {[%emt 0:02:34]} 4. Bg2 {[%emt 0:00:21]} c6 {[%emt 0:00:13]} 5. Nd2 {[%emt 0:01:37]} Nbd7 {[%emt 0:00:34]} 6. Ngf3 {[%emt 0:00:13]} Bd6 {[%emt 0:00:34]} 7. O-O {[%emt 0:00:52]} O-O {[%emt 0:00:13]} 8. Qc2 {[%emt 0:00:31]} Qe7 {[%emt 0:00:54]} 9. e4 {[%emt 0:00:45]} dxe4 {[%emt 0:00:48]} 10. Nxe4 {[%emt 0:00:11]} Nxe4 {[%emt 0:00:16]} 11. Qxe4 {[%emt 0:00:17]} Nf6 {[%emt 0:00:04]} 12. Qe2 {[%emt 0:00:19]} c5 {[%emt 0:00:18]} 13. Rd1 {[%emt 0:03:53]} Rd8 {[%emt 0:08:01]} 14. Be3 {[%emt 0:00:47]} cxd4 {[%emt 0:01:41]} 15. Nxd4 {[%emt 0:00:13]} a6 {[%emt 1:19:41]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.40"]
[White "Paredes Guzman, Francisco Javier"]
[Black "Limon Olmos, Ivan Alonso"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1891"]
[BlackElo "2106"]
[Annotator "NA"]
[PlyCount "63"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:02]} d5 {[%emt 0:14:00]} 2. c4 {[%emt 0:00:05]} e6 {[%emt 0:00:33]} 3. Nc3 {[%emt 0:00:15]} Nf6 {[%emt 0:00:07]} 4. Nf3 {[%emt 0:00:04]} c6 {[%emt 0:00:21]} 5. e3 {[%emt 0:02:23]} Nbd7 {[%emt 0:00:33]} 6. b3 {[%emt 0:03:44]} Bb4 {[%emt 0:09:55]} 7. Bd2 {[%emt 0:00:04]} O-O {[%emt 0:04:54]} 8. Bd3 {[%emt 0:14:23]} Qe7 {[%emt 0:03:16]} 9. Ne2 {[%emt 0:23:49]} Bd6 {[%emt 0:07:22]} 10. Ng3 {[%emt 0:00:49]} g6 {[%emt 0:01:36]} 11. O-O {[%emt 0:03:27]} dxc4 {[%emt 0:02:50]} 12. bxc4 {[%emt 0:07:46]} e5 {[%emt 0:00:45]} 13. Bc2 {[%emt 0:01:23]} e4 {[%emt 0:06:38]} 14. Ng5 {[%emt 0:00:20]} Bxg3 {[%emt 0:01:44]} 15. fxg3 {[%emt 0:05:58]} Nb6 {[%emt 0:05:40]} 16. d5 {[%emt 0:10:01]} Qe5 {[%emt 0:16:49]} 17. Rxf6 {[%emt 0:03:04]} Qxg5 {[%emt 0:00:08]} 18. Rf4 {[%emt 0:00:12]} Nxc4 {[%emt 0:02:51]} 19. Bc3 {[%emt 0:01:12]} cxd5 {[%emt 0:01:02]} 20. Qd4 {[%emt 0:00:08]} f6 {[%emt 0:00:44]} 21. Raf1 {[%emt 0:03:08]} Be6 {[%emt 0:00:49]} 22. Bb3 {[%emt 0:00:38]} Rac8 {[%emt 0:04:42]} 23. Qxa7 {[%emt 0:00:45]} Ne5 {[%emt 0:02:35]} 24. Ba1 {[%emt 0:01:54]} Rf7 {[%emt 0:02:57]} 25. Qb6 {[%emt 0:04:14]} Rc6 {[%emt 0:01:26]} 26. Qd8+ {[%emt 0:06:24]} Kg7 {[%emt 0:02:18]} 27. h4 {[%emt 0:01:45]} Qxg3 {[%emt 0:00:46]} 28. Rxf6 {[%emt 0:00:06]} Kh6 {[%emt 0:06:34]} 29. Bxe5 {[%emt 0:00:29]} Qxe5 {[%emt 0:00:01]} 30. Rxf7 {[%emt 0:00:16]} Bxf7 {[%emt 0:00:04]} 31. Qf8+ {[%emt 0:01:11]} Qg7 {[%emt 0:00:26]} 32. Qxf7 {[%emt 0:00:17]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.41"]
[White "Davalos Prieto, Abel Justo"]
[Black "Hernandez Morales, Dillan"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2103"]
[BlackElo "1846"]
[Annotator "NA"]
[PlyCount "153"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:31]} 2. Bf4 {[%emt 0:00:11]} g6 {[%emt 0:00:30]} 3. Nc3 {[%emt 0:00:15]} d5 {[%emt 0:00:28]} 4. e3 {[%emt 0:00:12]} Bg7 {[%emt 0:00:30]} 5. h4 {[%emt 0:00:16]} O-O {[%emt 0:08:55]} 6. h5 {[%emt 0:00:23]} c5 {[%emt 0:01:54]} 7. hxg6 {[%emt 0:00:12]} fxg6 {[%emt 0:00:40]} 8. dxc5 {[%emt 0:01:51]} Qa5 {[%emt 0:02:05]} 9. Qd2 {[%emt 0:00:21]} Nc6 {[%emt 0:01:44]} 10. Nf3 {[%emt 0:00:26]} Re8 {[%emt 0:08:11]} 11. Bb5 {[%emt 0:07:51]} Bd7 {[%emt 0:05:02]} 12. Bxc6 {[%emt 0:07:00]} Bxc6 {[%emt 0:04:52]} 13. Be5 {[%emt 0:01:28]} Qxc5 {[%emt 0:12:11]} 14. Qd4 {[%emt 0:09:14]} Qxd4 {[%emt 0:01:42]} 15. exd4 {[%emt 0:00:08]} h6 {[%emt 0:03:15]} 16. O-O {[%emt 0:04:14]} Nd7 {[%emt 0:06:49]} 17. Bxg7 {[%emt 0:02:16]} Kxg7 {[%emt 0:00:06]} 18. Rfe1 {[%emt 0:00:11]} e6 {[%emt 0:00:42]} 19. Re3 {[%emt 0:00:56]} Re7 {[%emt 0:04:07]} 20. Rae1 {[%emt 0:01:51]} Rae8 {[%emt 0:01:15]} 21. Ne5 {[%emt 0:08:35]} Nxe5 {[%emt 0:01:36]} 22. Rxe5 {[%emt 0:00:09]} b6 {[%emt 0:08:14]} 23. Nd1 {[%emt 0:08:35]} Kf6 {[%emt 0:13:49]} 24. Ne3 {[%emt 0:00:31]} h5 {[%emt 0:00:36]} 25. f4 {[%emt 0:02:49]} Bb7 {[%emt 0:03:53]} 26. Kf2 {[%emt 0:01:33]} Rf8 {[%emt 0:07:26]} 27. g3 {[%emt 0:04:49]} Rff7 {[%emt 0:01:13]} 28. Ng2 {[%emt 0:00:58]} Bc8 {[%emt 0:00:27]} 29. Nh4 {[%emt 0:00:23]} Rg7 {[%emt 0:00:33]} 30. Nf3 {[%emt 0:01:24]} Rc7 {[%emt 0:01:12]} 31. c3 {[%emt 0:00:15]} Rc6 {[%emt 0:00:50]} 32. Rg5 {[%emt 0:01:26]} b5 {[%emt 0:00:35]} 33. Ne5 {[%emt 0:00:28]} Rcc7 {[%emt 0:00:11]} 34. a3 {[%emt 0:02:18]} a5 {[%emt 0:00:10]} 35. Nd3 {[%emt 0:00:45]} Rh7 {[%emt 0:00:43]} 36. Rh1 {[%emt 0:00:28]} Rh8 {[%emt 0:00:21]} 37. Ke3 {[%emt 0:00:54]} Bd7 {[%emt 0:00:39]} 38. Kd2 {[%emt 0:02:57]} Be8 {[%emt 0:00:24]} 39. Nc5 {[%emt 0:03:12]} Rhh7 {[%emt 0:01:02]} 40. Re5 {[%emt 0:00:23]} Rce7 {[%emt 0:00:35]} 41. Nd3 {[%emt 0:06:02]} Reg7 {[%emt 0:00:23]} 42. Rg5 {[%emt 0:00:50]} Rb7 {[%emt 0:00:27]} 43. Kc2 {[%emt 0:02:16]} Rhc7 {[%emt 0:00:37]} 44. Kb3 {[%emt 0:02:08]} Ra7 {[%emt 0:00:26]} 45. Kc2 {[%emt 0:02:39]} Rab7 {[%emt 0:00:10]} 46. Kd2 {[%emt 0:00:10]} Rh7 {[%emt 0:00:26]} 47. Re1 {[%emt 0:01:51]} Rb6 {[%emt 0:00:35]} 48. Rge5 {[%emt 0:01:11]} Re7 {[%emt 0:00:24]} 49. Nc5 {[%emt 0:00:55]} Bf7 {[%emt 0:00:46]} 50. Ra1 {[%emt 0:00:46]} Ra7 {[%emt 0:00:30]} 51. Kc2 {[%emt 0:02:16]} Rc7 {[%emt 0:00:28]} 52. Nb3 {[%emt 0:02:07]} Ra6 {[%emt 0:00:37]} 53. Kd3 {[%emt 0:00:45]} Raa7 {[%emt 0:00:21]} 54. Nc5 {[%emt 0:00:26]} Re7 {[%emt 0:00:38]} 55. b3 {[%emt 0:04:27]} Be8 {[%emt 0:00:38]} 56. a4 {[%emt 0:00:17]} bxa4 {[%emt 0:00:29]} 57. bxa4 {[%emt 0:00:11]} Rac7 {[%emt 0:00:34]} 58. Rb1 {[%emt 0:00:12]} Rc6 {[%emt 0:00:32]} 59. Rb5 {[%emt 0:00:36]} Ra7 {[%emt 0:00:18]} 60. Rb8 {[%emt 0:00:47]} Bf7 {[%emt 0:00:37]} 61. c4 {[%emt 0:00:51]} Rcc7 {[%emt 0:00:35]} 62. Rb6 {[%emt 0:00:19]} dxc4+ {[%emt 0:00:12]} 63. Kxc4 {[%emt 0:00:12]} Ra8 {[%emt 0:00:48]} 64. d5 {[%emt 0:00:41]} Be8 {[%emt 0:00:28]} 65. Rbxe6+ {[%emt 0:01:30]} Kf7 {[%emt 0:01:03]} 66. d6 {[%emt 0:00:22]} Rc6 {[%emt 0:00:00]} 67. Re7+ {[%emt 0:01:27]} Kf8 {[%emt 0:01:00]} 68. Kd5 {[%emt 0:01:55]} Rb6 {[%emt 0:00:00]} 69. Ne6+ {[%emt 0:00:38]} Kg8 {[%emt 0:00:00]} 70. Nc7 {[%emt 0:00:12]} Bc6+ {[%emt 0:00:06]} 71. Kc5 {[%emt 0:00:39]} Rab8 {[%emt 0:00:21]} 72. d7 {[%emt 0:00:24]} Bxd7 {[%emt 0:00:49]} 73. Rxd7 {[%emt 0:00:11]} Rb4 {[%emt 0:00:55]} 74. Ree7 {[%emt 0:01:15]} Rc8 {[%emt 0:00:39]} 75. Kd5 {[%emt 0:00:17]} Rxc7 {[%emt 0:00:38]} 76. Rxc7 {[%emt 0:00:18]} Rxa4 {[%emt 0:00:07]} 77. Rc8# {[%emt 0:00:42]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.42"]
[White "Martinez Morales, Geovanni"]
[Black "Alvarado Zuniga, Noe"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2098"]
[BlackElo "1666"]
[Annotator "NA"]
[PlyCount "139"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} g6 {[%emt 0:04:09]} 2. d4 {[%emt 0:00:11]} Bg7 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:07]} d6 {[%emt 0:00:08]} 4. f4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:56]} 5. Nf3 {[%emt 0:00:16]} O-O {[%emt 0:00:12]} 6. Be3 {[%emt 0:02:03]} Ng4 {[%emt 0:04:34]} 7. Bg1 {[%emt 0:00:23]} e5 {[%emt 0:01:16]} 8. h3 {[%emt 0:01:39]} exd4 {[%emt 0:00:43]} 9. Bxd4 {[%emt 0:00:39]} Nf6 {[%emt 0:00:15]} 10. Bd3 {[%emt 0:07:36]} Nc6 {[%emt 0:00:53]} 11. Be3 {[%emt 0:01:12]} Qe7 {[%emt 0:11:13]} 12. O-O {[%emt 0:00:32]} Bf5 {[%emt 0:08:52]} 13. Nd2 {[%emt 0:15:43]} Nb4 {[%emt 0:14:36]} 14. Qf3 {[%emt 0:02:05]} Bd7 {[%emt 0:10:52]} 15. Rac1 {[%emt 0:07:11]} Nxd3 {[%emt 0:01:48]} 16. cxd3 {[%emt 0:00:11]} a6 {[%emt 0:04:24]} 17. Rfe1 {[%emt 0:04:23]} Rfe8 {[%emt 0:03:16]} 18. Bf2 {[%emt 0:02:14]} c6 {[%emt 0:01:28]} 19. Bh4 {[%emt 0:03:35]} Qf8 {[%emt 0:01:14]} 20. Nc4 {[%emt 0:06:38]} d5 {[%emt 0:06:16]} 21. Nb6 {[%emt 0:02:31]} dxe4 {[%emt 0:01:08]} 22. dxe4 {[%emt 0:01:01]} Qb4 {[%emt 0:08:44]} 23. Nxa8 {[%emt 0:02:34]} Rxa8 {[%emt 0:00:02]} 24. b3 {[%emt 0:10:48]} h6 {[%emt 0:03:34]} 25. Red1 {[%emt 0:05:38]} Be6 {[%emt 0:01:57]} 26. Kh1 {[%emt 0:01:03]} Re8 {[%emt 0:01:07]} 27. Bf2 {[%emt 0:02:53]} Qa5 {[%emt 0:01:53]} 28. Bd4 {[%emt 0:04:09]} Bc8 {[%emt 0:00:26]} 29. e5 {[%emt 0:03:49]} Nh7 {[%emt 0:01:36]} 30. Na4 {[%emt 0:03:47]} Be6 {[%emt 0:01:29]} 31. Bb6 {[%emt 0:00:35]} Qb4 {[%emt 0:00:29]} 32. Qc3 {[%emt 0:01:48]} Qxf4 {[%emt 0:00:15]} 33. Re1 {[%emt 0:01:18]} Bd5 {[%emt 0:00:50]} 34. Bd4 {[%emt 0:02:14]} Ng5 {[%emt 0:00:34]} 35. Rcd1 {[%emt 0:00:44]} Qh4 {[%emt 0:02:24]} 36. Re3 {[%emt 0:03:07]} Ne4 {[%emt 0:01:09]} 37. Qe1 {[%emt 0:01:20]} Qh5 {[%emt 0:01:13]} 38. Kg1 {[%emt 0:01:13]} Bxe5 {[%emt 0:01:00]} 39. Bxe5 {[%emt 0:00:22]} Rxe5 {[%emt 0:00:25]} 40. Nb6 {[%emt 0:00:32]} f5 {[%emt 0:00:59]} 41. Nxd5 {[%emt 0:00:24]} cxd5 {[%emt 0:00:02]} 42. Rc1 {[%emt 0:00:40]} d4 {[%emt 0:00:34]} 43. Rc8+ {[%emt 0:00:52]} Kf7 {[%emt 0:00:15]} 44. Qb4 {[%emt 0:01:11]} dxe3 {[%emt 0:01:05]} 45. Qf8+ {[%emt 0:00:38]} Ke6 {[%emt 0:00:01]} 46. Qg8+ {[%emt 0:00:52]} Kf6 {[%emt 0:01:36]} 47. Qd8+ {[%emt 0:00:36]} Ke6 {[%emt 0:00:05]} 48. Qg8+ {[%emt 0:00:27]} Kf6 {[%emt 0:01:12]} 49. Qh8+ {[%emt 0:00:32]} Kg5 {[%emt 0:00:10]} 50. Qxe5 {[%emt 0:00:17]} Qd1+ {[%emt 0:00:10]} 51. Kh2 {[%emt 0:00:03]} e2 {[%emt 0:00:19]} 52. Qe7+ {[%emt 0:00:26]} Kh5 {[%emt 0:01:52]} 53. g4+ {[%emt 0:00:16]} fxg4 {[%emt 0:00:02]} 54. hxg4+ {[%emt 0:00:05]} Kxg4 {[%emt 0:00:11]} 55. Qxe4+ {[%emt 0:00:09]} Kh5 {[%emt 0:00:14]} 56. Rc5+ {[%emt 0:00:24]} g5 {[%emt 0:00:09]} 57. Qe8+ {[%emt 0:00:35]} Kg4 {[%emt 0:00:29]} 58. Qe4+ {[%emt 0:01:02]} Kh5 {[%emt 0:00:05]} 59. Qe8+ {[%emt 0:00:22]} Kg4 {[%emt 0:00:05]} 60. Rc4+ {[%emt 0:00:51]} Kf3 {[%emt 0:00:36]} 61. Qh5+ {[%emt 0:00:42]} Kf2 {[%emt 0:00:23]} 62. Qf7+ {[%emt 0:00:43]} Ke3 {[%emt 0:00:10]} 63. Qe6+ {[%emt 0:00:21]} Kf2 {[%emt 0:00:52]} 64. Qb6+ {[%emt 0:01:17]} Kf3 {[%emt 0:00:46]} 65. Qxb7+ {[%emt 0:00:25]} Ke3 {[%emt 0:00:58]} 66. Qe7+ {[%emt 0:00:36]} Kf3 {[%emt 0:00:38]} 67. Qf6+ {[%emt 0:00:20]} Ke3 {[%emt 0:00:16]} 68. Qe5+ {[%emt 0:00:17]} Kf2 {[%emt 0:00:55]} 69. Qg3+ {[%emt 0:00:15]} Kf1 {[%emt 0:00:15]} 70. Qg1# {[%emt 0:00:09]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.43"]
[White "Martinez de La Trinidad, Alexandra"]
[Black "Ruiz Perez, Juan Octavio"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "1843"]
[BlackElo "2074"]
[Annotator "NA"]
[PlyCount "34"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:08]} 2. c4 {[%emt 0:00:04]} g6 {[%emt 0:00:59]} 3. g3 {[%emt 0:00:00]} c6 {[%emt 0:00:30]} 4. Bg2 {[%emt 0:00:13]} d5 {[%emt 0:00:31]} 5. b3 {[%emt 0:00:00]} Bg7 {[%emt 1:30:52]} 6. Nf3 {[%emt 1:33:04]} O-O {[%emt 0:00:00]} 7. O-O {[%emt 0:00:00]} Ne4 {[%emt 0:01:00]} 8. Bb2 {[%emt 0:01:00]} a5 {[%emt 0:00:00]} 9. Nbd2 a4 10. Nxe4 {[%emt 0:00:00]} dxe4 {[%emt 0:00:00]} 11. Nd2 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} 12. e3 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 13. f3 {[%emt 0:00:00]} a3 {[%emt 0:00:00]} 14. Bc3 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 15. exd4 {[%emt 0:00:00]} Bxd4+ {[%emt 0:00:00]} 16. Bxd4 {[%emt 0:00:00]} Qxd4+ {[%emt 0:00:00]} 17. Kh1 {[%emt 0:00:00]} e3 {[%emt 0:00:00]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.44"]
[White "Mares Arellano, Juan Antoni"]
[Black "Zarate Manjarrez, Alfredo"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1812"]
[BlackElo "2026"]
[Annotator "NA"]
[PlyCount "88"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:10]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:04]} e6 {[%emt 0:00:16]} 3. d4 {[%emt 0:00:10]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:47]} 5. Bd3 {[%emt 0:03:43]} d6 {[%emt 0:02:29]} 6. O-O {[%emt 0:00:19]} Be7 {[%emt 0:02:55]} 7. b3 {[%emt 0:02:46]} O-O {[%emt 0:08:39]} 8. Bb2 {[%emt 0:00:58]} b6 {[%emt 0:01:59]} 9. c4 {[%emt 0:01:29]} Bb7 {[%emt 0:00:10]} 10. Qe2 {[%emt 0:00:04]} Nbd7 {[%emt 0:03:35]} 11. Nc3 {[%emt 0:04:36]} a6 {[%emt 0:02:00]} 12. Rad1 {[%emt 0:00:21]} Qc7 {[%emt 0:00:09]} 13. Bb1 {[%emt 0:04:00]} Rfe8 {[%emt 0:01:31]} 14. f4 {[%emt 0:02:39]} Bf8 {[%emt 0:01:39]} 15. Rf3 {[%emt 0:04:49]} g6 {[%emt 0:25:04]} 16. Nc2 {[%emt 0:07:37]} Bg7 {[%emt 0:06:28]} 17. Ne1 {[%emt 0:03:06]} Rad8 {[%emt 0:04:24]} 18. Rc1 {[%emt 0:13:28]} Qb8 {[%emt 0:03:06]} 19. b4 {[%emt 0:07:25]} Rc8 {[%emt 0:02:06]} 20. g3 {[%emt 0:05:10]} h5 {[%emt 0:02:11]} 21. Rf1 {[%emt 0:01:59]} Qa7 {[%emt 0:04:34]} 22. Bd3 {[%emt 0:07:31]} b5+ {[%emt 0:03:07]} 23. Kg2 {[%emt 0:01:33]} bxc4 {[%emt 0:07:47]} 24. Bxc4 {[%emt 0:03:52]} Nxe4 {[%emt 0:01:04]} 25. Nxe4 {[%emt 0:03:48]} Bxe4+ {[%emt 0:02:53]} 26. Qxe4 {[%emt 0:00:18]} Bxb2 {[%emt 0:00:02]} 27. Rd1 {[%emt 0:02:45]} d5 {[%emt 0:00:23]} 28. Qe2 {[%emt 0:00:12]} Rxc4 {[%emt 0:01:46]} 29. Qxb2 {[%emt 0:00:13]} Rec8 {[%emt 0:00:14]} 30. Rf2 {[%emt 0:02:04]} Qb7 {[%emt 0:00:07]} 31. Nd3 {[%emt 0:01:52]} d4+ {[%emt 0:00:53]} 32. Kg1 {[%emt 0:00:23]} Qb6 {[%emt 0:00:47]} 33. Rb1 {[%emt 0:04:05]} Nf6 {[%emt 0:00:33]} 34. Nc5 {[%emt 0:00:10]} Ng4 {[%emt 0:00:49]} 35. Rd2 {[%emt 0:00:28]} a5 {[%emt 0:02:35]} 36. a3 {[%emt 0:00:50]} axb4 {[%emt 0:00:25]} 37. axb4 {[%emt 0:00:22]} Ne3 {[%emt 0:02:47]} 38. Qb3 {[%emt 0:04:47]} R8xc5 {[%emt 0:04:07]} 39. bxc5 {[%emt 0:01:22]} Rc1+ {[%emt 0:00:01]} 40. Kf2 {[%emt 0:04:35]} Qc6 {[%emt 0:03:27]} 41. Qb8+ {[%emt 0:00:53]} Kh7 {[%emt 0:00:01]} 42. Rxd4 {[%emt 0:01:12]} Ng4+ {[%emt 0:00:36]} 43. Ke2 {[%emt 0:00:32]} Qg2+ {[%emt 0:00:02]} 44. Kd3 {[%emt 0:00:01]} Qc2# {[%emt 0:02:24]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.45"]
[White "Diaz Gonzalez Jardon, Emmanuel"]
[Black "Ocampo, Cristina"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1807"]
[BlackElo "2024"]
[Annotator "NA"]
[PlyCount "104"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:03:46]} d5 {[%emt 0:00:11]} 2. Nf3 {[%emt 0:00:34]} Nf6 {[%emt 0:00:07]} 3. e3 {[%emt 0:01:53]} e6 {[%emt 0:00:31]} 4. Bd3 {[%emt 0:00:24]} c5 {[%emt 0:01:29]} 5. c3 {[%emt 0:00:10]} Nc6 {[%emt 0:01:02]} 6. O-O {[%emt 0:00:25]} Bd6 {[%emt 0:01:00]} 7. Nbd2 {[%emt 0:01:58]} O-O {[%emt 0:00:27]} 8. Re1 {[%emt 0:02:25]} e5 {[%emt 0:06:49]} 9. dxe5 {[%emt 0:04:08]} Nxe5 {[%emt 0:00:15]} 10. Nxe5 {[%emt 0:00:11]} Bxe5 {[%emt 0:00:38]} 11. Nf3 {[%emt 0:00:17]} Bd6 {[%emt 0:01:14]} 12. b3 {[%emt 0:04:40]} Bg4 {[%emt 0:11:03]} 13. h3 {[%emt 0:01:14]} Bh5 {[%emt 0:01:24]} 14. Bb2 {[%emt 0:01:24]} Re8 {[%emt 0:00:28]} 15. Qe2 {[%emt 0:09:22]} Qc7 {[%emt 0:05:31]} 16. Bf5 {[%emt 0:05:16]} Rad8 {[%emt 0:05:22]} 17. Qc2 {[%emt 0:11:22]} Bxf3 {[%emt 0:14:01]} 18. gxf3 {[%emt 0:00:07]} g6 {[%emt 0:00:06]} 19. Bd3 {[%emt 0:00:19]} Nd7 {[%emt 0:00:07]} 20. c4 {[%emt 0:07:03]} Be5 {[%emt 0:00:40]} 21. f4 {[%emt 0:11:25]} Bxb2 {[%emt 0:00:29]} 22. Qxb2 {[%emt 0:00:08]} d4 {[%emt 0:06:28]} 23. exd4 {[%emt 0:00:20]} Rxe1+ {[%emt 0:01:50]} 24. Rxe1 {[%emt 0:00:08]} cxd4 {[%emt 0:00:01]} 25. b4 {[%emt 0:09:52]} Nf6 {[%emt 0:04:09]} 26. f5 {[%emt 0:03:00]} Qf4 {[%emt 0:01:12]} 27. fxg6 {[%emt 0:00:51]} hxg6 {[%emt 0:00:07]} 28. Qc1 {[%emt 0:03:47]} Qh4 {[%emt 0:04:03]} 29. Kg2 {[%emt 0:00:15]} Kg7 {[%emt 0:00:52]} 30. Qa3 {[%emt 0:12:53]} Nh5 {[%emt 0:09:02]} 31. Bf1 {[%emt 0:01:53]} d3 {[%emt 0:04:11]} 32. Qb2+ {[%emt 0:00:03]} Kg8 {[%emt 0:00:40]} 33. Rd1 {[%emt 0:00:37]} Qxc4 {[%emt 0:01:39]} 34. Qe5 {[%emt 0:00:25]} Qc6+ {[%emt 0:01:41]} 35. Kg1 {[%emt 0:00:59]} Qf3 {[%emt 0:01:13]} 36. Qg5 {[%emt 0:00:01]} Rd5 {[%emt 0:00:36]} 37. Qg4 {[%emt 0:00:55]} Qf6 {[%emt 0:06:31]} 38. Bg2 {[%emt 0:00:01]} Rd4 {[%emt 0:06:57]} 39. Qc8+ {[%emt 0:00:06]} Kg7 {[%emt 0:00:02]} 40. Qxb7 {[%emt 0:00:08]} Nf4 {[%emt 0:00:21]} 41. a3 {[%emt 0:00:30]} Qg5 {[%emt 0:01:18]} 42. Qf3 {[%emt 0:01:10]} d2 {[%emt 0:00:17]} 43. Kh2 {[%emt 0:00:36]} Rd3 {[%emt 0:02:31]} 44. Qe4 {[%emt 0:01:09]} f5 {[%emt 0:01:58]} 45. Qb7+ {[%emt 0:00:09]} Kh6 {[%emt 0:00:07]} 46. Qa8 {[%emt 0:00:08]} Rd8 {[%emt 0:00:11]} 47. Qf3 {[%emt 0:00:19]} Rd3 {[%emt 0:01:19]} 48. Qa8 {[%emt 0:00:14]} Rd8 {[%emt 0:00:10]} 49. Qc6 {[%emt 0:06:00]} Nd3 {[%emt 0:02:40]} 50. Bf3 {[%emt 0:00:30]} Qf4+ {[%emt 0:00:30]} 51. Kg2 {[%emt 0:00:30]} Ne1+ {[%emt 0:00:30]} 52. Kg1 {[%emt 0:00:30]} Nd3 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.46"]
[White "Martin Del Campo C., Jorge"]
[Black "Garcia Lopez, Miguel Angel"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2019"]
[BlackElo "2262"]
[Annotator "NA"]
[PlyCount "99"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} e5 {[%emt 0:03:28]} 2. Nf3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:06]} 3. Bb5 {[%emt 0:00:12]} Nf6 {[%emt 0:00:21]} 4. d3 {[%emt 0:00:27]} Bc5 {[%emt 0:00:59]} 5. Bxc6 {[%emt 0:00:19]} dxc6 {[%emt 0:00:17]} 6. Nbd2 {[%emt 0:00:22]} O-O {[%emt 0:08:34]} 7. O-O {[%emt 0:01:54]} Re8 {[%emt 0:02:48]} 8. Nc4 {[%emt 0:01:50]} Nd7 {[%emt 0:02:56]} 9. c3 {[%emt 0:05:25]} Bb6 {[%emt 0:13:30]} 10. a4 {[%emt 0:12:22]} a6 {[%emt 0:03:38]} 11. a5 {[%emt 0:04:47]} Ba7 {[%emt 0:00:07]} 12. Qe2 {[%emt 0:01:31]} f6 {[%emt 0:06:33]} 13. Rd1 {[%emt 0:01:52]} Qe7 {[%emt 0:01:39]} 14. b3 {[%emt 0:03:48]} Nc5 {[%emt 0:04:42]} 15. Ba3 {[%emt 0:05:35]} Qf7 {[%emt 0:01:37]} 16. Rab1 {[%emt 0:07:09]} Ne6 {[%emt 0:04:17]} 17. Bc1 {[%emt 0:01:03]} Nc5 {[%emt 0:11:54]} 18. b4 {[%emt 0:00:48]} Ne6 {[%emt 0:00:28]} 19. Be3 {[%emt 0:00:12]} Bxe3 {[%emt 0:01:06]} 20. fxe3 {[%emt 0:00:57]} Qg6 {[%emt 0:02:01]} 21. Nh4 {[%emt 0:02:30]} Qf7 {[%emt 0:02:12]} 22. Rf1 {[%emt 0:00:36]} Nf8 {[%emt 0:01:02]} 23. Nf5 {[%emt 0:01:52]} Kh8 {[%emt 0:01:32]} 24. Qf3 {[%emt 0:06:50]} Bxf5 {[%emt 0:02:28]} 25. Qxf5 {[%emt 0:00:39]} Qd7 {[%emt 0:00:16]} 26. Rbd1 {[%emt 0:00:40]} Qxf5 {[%emt 0:05:39]} 27. exf5 {[%emt 0:01:27]} Rad8 {[%emt 0:00:54]} 28. Kf2 {[%emt 0:01:20]} Kg8 {[%emt 0:01:51]} 29. d4 {[%emt 0:00:22]} exd4 {[%emt 0:01:11]} 30. cxd4 {[%emt 0:01:19]} g6 {[%emt 0:04:13]} 31. g4 {[%emt 0:01:26]} Rd5 {[%emt 0:03:08]} 32. Ke2 {[%emt 0:01:22]} Kg7 {[%emt 0:00:25]} 33. Kd3 {[%emt 0:01:36]} Rdd8 {[%emt 0:03:02]} 34. e4 {[%emt 0:01:19]} Nd7 {[%emt 0:00:29]} 35. Ke3 {[%emt 0:00:40]} Re7 {[%emt 0:00:25]} 36. Rfe1 {[%emt 0:01:59]} Nf8 {[%emt 0:01:31]} 37. h4 {[%emt 0:02:25]} h6 {[%emt 0:02:21]} 38. e5 {[%emt 0:03:40]} Rd5 {[%emt 0:01:05]} 39. Kf4 {[%emt 0:08:05]} g5+ {[%emt 0:01:25]} 40. hxg5 {[%emt 0:00:32]} hxg5+ {[%emt 0:00:02]} 41. Ke4 {[%emt 0:01:51]} Rb5 {[%emt 0:00:37]} 42. Rb1 {[%emt 0:02:05]} fxe5 {[%emt 0:00:11]} 43. dxe5 {[%emt 0:01:55]} Nd7 {[%emt 0:00:09]} 44. Kd4 {[%emt 0:01:53]} Rd5+ {[%emt 0:00:14]} 45. Kc3 {[%emt 0:02:52]} Nxe5 {[%emt 0:00:14]} 46. Re3 {[%emt 0:01:16]} Kf6 {[%emt 0:01:17]} 47. Rbe1 {[%emt 0:06:30]} c5 {[%emt 0:01:21]} 48. Nxe5 {[%emt 0:00:39]} Rdxe5 {[%emt 0:00:32]} 49. Rxe5 {[%emt 0:00:17]} cxb4+ {[%emt 0:00:06]} 50. Kd4 {[%emt 0:00:37]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.47"]
[White "Nava Ruiz, Miguel Angel"]
[Black "Guerrero Rodriguez, Alejandra"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "1696"]
[BlackElo "2019"]
[Annotator "NA"]
[PlyCount "91"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:04]} e6 {[%emt 0:02:21]} 2. Nf3 {[%emt 0:01:28]} c5 {[%emt 0:00:59]} 3. e3 {[%emt 0:01:16]} Nf6 {[%emt 0:00:48]} 4. Bd3 {[%emt 0:00:46]} Be7 {[%emt 0:00:23]} 5. O-O {[%emt 0:01:17]} O-O {[%emt 0:00:19]} 6. c4 {[%emt 0:02:41]} Nc6 {[%emt 0:03:53]} 7. Nc3 {[%emt 0:05:43]} d5 {[%emt 0:03:32]} 8. cxd5 {[%emt 0:04:06]} exd5 {[%emt 0:01:11]} 9. h3 {[%emt 0:01:23]} a6 {[%emt 0:02:24]} 10. Bd2 {[%emt 0:15:42]} Be6 {[%emt 0:08:19]} 11. Rc1 {[%emt 0:03:35]} Re8 {[%emt 0:01:47]} 12. dxc5 {[%emt 0:01:07]} Bxc5 {[%emt 0:01:12]} 13. Na4 {[%emt 0:03:49]} Bf8 {[%emt 0:06:35]} 14. Nd4 {[%emt 0:06:19]} Ne5 {[%emt 0:02:38]} 15. Nxe6 {[%emt 0:08:23]} Rxe6 {[%emt 0:01:48]} 16. Bf5 {[%emt 0:00:12]} Rc6 {[%emt 0:02:53]} 17. Bc3 {[%emt 0:01:39]} Qe8 {[%emt 0:02:54]} 18. Bd4 {[%emt 0:05:31]} g6 {[%emt 0:08:11]} 19. Bc2 {[%emt 0:04:39]} b5 {[%emt 0:03:27]} 20. Nc3 {[%emt 0:00:11]} Rac8 {[%emt 0:01:00]} 21. a3 {[%emt 0:06:05]} Bg7 {[%emt 0:01:40]} 22. Bb3 {[%emt 0:03:21]} Nc4 {[%emt 0:00:29]} 23. Rc2 {[%emt 0:01:41]} Nd6 {[%emt 0:08:21]} 24. Bxf6 {[%emt 0:01:10]} Bxf6 {[%emt 0:01:59]} 25. Nxd5 {[%emt 0:00:06]} Bg7 {[%emt 0:01:55]} 26. Rxc6 {[%emt 0:00:32]} Rxc6 {[%emt 0:00:05]} 27. Nb4 {[%emt 0:00:51]} Rb6 {[%emt 0:01:03]} 28. Qc2 {[%emt 0:00:41]} a5 {[%emt 0:06:25]} 29. Qc5 {[%emt 0:01:13]} Nc8 {[%emt 0:03:41]} 30. Nd5 {[%emt 0:00:50]} Rb8 {[%emt 0:01:32]} 31. Qc7 {[%emt 0:01:33]} Ra8 {[%emt 0:03:32]} 32. Qc2 {[%emt 0:05:04]} Qe5 {[%emt 0:02:37]} 33. Rb1 {[%emt 0:03:24]} Nd6 {[%emt 0:01:27]} 34. Qc6 {[%emt 0:00:32]} Rc8 {[%emt 0:00:55]} 35. Qd7 {[%emt 0:00:13]} Bf8 {[%emt 0:03:09]} 36. Nf4 {[%emt 0:02:32]} a4 {[%emt 0:00:27]} 37. Bxf7+ {[%emt 0:00:15]} Nxf7 {[%emt 0:04:03]} 38. Qxc8 {[%emt 0:00:05]} Nd6 {[%emt 0:01:31]} 39. Qe6+ {[%emt 0:00:41]} Qxe6 {[%emt 0:00:07]} 40. Nxe6 {[%emt 0:00:03]} Be7 {[%emt 0:00:34]} 41. b3 {[%emt 0:00:35]} Ne4 {[%emt 0:01:47]} 42. bxa4 {[%emt 0:00:15]} bxa4 {[%emt 0:00:06]} 43. Nd4 {[%emt 0:01:16]} Bxa3 {[%emt 0:01:37]} 44. Ra1 {[%emt 0:00:06]} Bb4 {[%emt 0:00:57]} 45. Rxa4 {[%emt 0:00:04]} Be7 {[%emt 0:00:35]} 46. Nc6 {[%emt 0:00:05]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.48"]
[White "Jorajuria Mendoza, Algol"]
[Black "Zacarias Martinez, Daniel"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2006"]
[BlackElo "1673"]
[Annotator "NA"]
[PlyCount "85"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} e5 {[%emt 0:10:59]} 2. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:07]} 3. Bb5 {[%emt 0:00:04]} a6 {[%emt 0:00:09]} 4. Ba4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:11]} 5. d3 {[%emt 0:00:15]} d6 {[%emt 0:01:52]} 6. O-O {[%emt 0:00:52]} h6 {[%emt 0:00:14]} 7. c3 {[%emt 0:02:36]} Be7 {[%emt 0:00:24]} 8. Re1 {[%emt 0:00:28]} O-O {[%emt 0:00:30]} 9. Nbd2 {[%emt 0:03:16]} b5 {[%emt 0:00:22]} 10. Bb3 {[%emt 0:01:44]} Na5 {[%emt 0:01:30]} 11. Bc2 {[%emt 0:00:33]} c5 {[%emt 0:00:38]} 12. Nf1 {[%emt 0:01:10]} Re8 {[%emt 0:00:55]} 13. a4 {[%emt 0:06:54]} Bb7 {[%emt 0:04:36]} 14. d4 {[%emt 0:01:38]} Nc6 {[%emt 0:02:05]} 15. d5 {[%emt 0:01:39]} Nb8 {[%emt 0:01:15]} 16. Qe2 {[%emt 0:19:05]} Qb6 {[%emt 0:06:10]} 17. h3 {[%emt 0:04:25]} Nbd7 {[%emt 0:00:19]} 18. Be3 {[%emt 0:02:34]} Bf8 {[%emt 0:02:25]} 19. b4 {[%emt 0:06:27]} Reb8 {[%emt 0:18:27]} 20. N1d2 {[%emt 0:06:43]} Qc7 {[%emt 0:14:32]} 21. Ra2 {[%emt 0:03:12]} c4 {[%emt 0:01:49]} 22. Rea1 {[%emt 0:00:51]} Ne8 {[%emt 0:05:20]} 23. Nh2 {[%emt 0:08:49]} g6 {[%emt 0:01:57]} 24. Nb1 {[%emt 0:02:50]} Qd8 {[%emt 0:00:54]} 25. Na3 {[%emt 0:01:27]} Nc7 {[%emt 0:00:22]} 26. Qd2 {[%emt 0:00:49]} Kh7 {[%emt 0:03:09]} 27. Ng4 {[%emt 0:00:35]} h5 {[%emt 0:05:08]} 28. Nh2 {[%emt 0:00:32]} Be7 {[%emt 0:01:57]} 29. Nf3 {[%emt 0:01:04]} Nf6 {[%emt 0:02:51]} 30. Ng5+ {[%emt 0:02:04]} Kg8 {[%emt 0:01:19]} 31. f4 {[%emt 0:05:07]} Nd7 {[%emt 0:02:54]} 32. Nf3 {[%emt 0:00:48]} Bf6 {[%emt 0:01:50]} 33. fxe5 {[%emt 0:05:30]} Nxe5 {[%emt 0:00:11]} 34. Nd4 {[%emt 0:00:10]} Qd7 {[%emt 0:01:10]} 35. Rf1 {[%emt 0:00:47]} Bg7 {[%emt 0:00:26]} 36. Raa1 {[%emt 0:01:13]} Rf8 {[%emt 0:00:57]} 37. Bg5 {[%emt 0:00:30]} Rae8 {[%emt 0:01:55]} 38. Bf6 {[%emt 0:00:37]} Bxf6 {[%emt 0:02:57]} 39. Rxf6 {[%emt 0:00:06]} Kg7 {[%emt 0:00:17]} 40. Qg5 {[%emt 0:00:54]} Kh7 {[%emt 0:03:06]} 41. Raf1 {[%emt 0:00:54]} Re7 {[%emt 0:00:23]} 42. Nf5 {[%emt 0:00:30]} gxf5 {[%emt 0:00:38]} 43. Rh6# {[%emt 0:00:41]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.49"]
[White "Alvarado Rubio, Matias Uziel"]
[Black "Huguet, Sergio"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "1691"]
[BlackElo "1977"]
[Annotator "NA"]
[PlyCount "105"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:03:54]} Nf6 {[%emt 0:00:13]} 2. e5 {[%emt 0:01:25]} Nd5 {[%emt 0:00:09]} 3. c4 {[%emt 0:00:16]} Nb6 {[%emt 0:00:17]} 4. d4 {[%emt 0:00:11]} d6 {[%emt 0:00:39]} 5. exd6 {[%emt 0:00:40]} cxd6 {[%emt 0:00:54]} 6. Nf3 {[%emt 0:00:24]} g6 {[%emt 0:01:21]} 7. Be2 {[%emt 0:00:54]} Bg7 {[%emt 0:00:24]} 8. Nc3 {[%emt 0:00:54]} O-O {[%emt 0:01:04]} 9. O-O {[%emt 0:00:11]} Bg4 {[%emt 0:01:30]} 10. h3 {[%emt 0:03:19]} Bxf3 {[%emt 0:03:18]} 11. Bxf3 {[%emt 0:00:08]} Nc6 {[%emt 0:01:47]} 12. c5 {[%emt 0:00:49]} dxc5 {[%emt 0:09:04]} 13. dxc5 {[%emt 0:00:10]} Nd7 {[%emt 0:01:02]} 14. Be3 {[%emt 0:00:54]} Nde5 {[%emt 0:02:44]} 15. Be2 {[%emt 0:01:06]} Qxd1 {[%emt 0:09:56]} 16. Rfxd1 {[%emt 0:00:33]} Rfd8 {[%emt 0:02:12]} 17. f4 {[%emt 0:01:23]} Nd7 {[%emt 0:00:46]} 18. Rac1 {[%emt 0:02:05]} Nf8 {[%emt 0:10:34]} 19. Bf3 {[%emt 0:06:20]} Ne6 {[%emt 0:03:13]} 20. g4 {[%emt 0:10:53]} Rxd1+ {[%emt 0:05:09]} 21. Rxd1 {[%emt 0:00:20]} Rd8 {[%emt 0:02:21]} 22. Rxd8+ {[%emt 0:04:29]} Nexd8 {[%emt 0:01:18]} 23. a3 {[%emt 0:01:07]} Bxc3 {[%emt 0:04:42]} 24. bxc3 {[%emt 0:00:08]} Na5 {[%emt 0:03:09]} 25. Kf2 {[%emt 0:01:28]} Nc4 {[%emt 0:10:06]} 26. Bc1 {[%emt 0:00:16]} Ne6 {[%emt 0:00:16]} 27. Bd5 {[%emt 0:00:51]} Na5 {[%emt 0:01:04]} 28. Be3 {[%emt 0:00:26]} Nc7 {[%emt 0:01:17]} 29. Bf3 {[%emt 0:01:04]} e6 {[%emt 0:02:20]} 30. Bd4 {[%emt 0:04:46]} Kf8 {[%emt 0:02:27]} 31. c6 {[%emt 0:04:29]} Nxc6 {[%emt 0:04:04]} 32. Bxc6 {[%emt 0:00:08]} bxc6 {[%emt 0:00:05]} 33. Bxa7 {[%emt 0:00:12]} Nd5 {[%emt 0:01:02]} 34. c4 {[%emt 0:02:54]} Nxf4 {[%emt 0:00:28]} 35. Kf3 {[%emt 0:00:13]} e5 {[%emt 0:02:03]} 36. h4 {[%emt 0:02:35]} Ke7 {[%emt 0:01:06]} 37. g5 {[%emt 0:01:17]} Kd6 {[%emt 0:04:36]} 38. Ke4 {[%emt 0:01:11]} Ng2 {[%emt 0:00:44]} 39. Bf2 {[%emt 0:01:03]} Nf4 {[%emt 0:00:38]} 40. c5+ {[%emt 0:00:50]} Kc7 {[%emt 0:02:56]} 41. Bg3 {[%emt 0:00:40]} Ne6 {[%emt 0:01:23]} 42. Bxe5+ {[%emt 0:01:01]} Kb7 {[%emt 0:00:07]} 43. Bd6 {[%emt 0:00:54]} Ka6 {[%emt 0:00:29]} 44. Ke5 {[%emt 0:01:40]} Kb5 {[%emt 0:00:15]} 45. a4+ {[%emt 0:01:42]} Kxa4 {[%emt 0:00:32]} 46. Kf6 {[%emt 0:00:07]} Kb5 {[%emt 0:07:46]} 47. Kxf7 {[%emt 0:00:09]} Nxc5 {[%emt 0:00:00]} 48. Kg7 {[%emt 0:00:49]} Ne4 {[%emt 0:00:00]} 49. Bf4 {[%emt 0:00:23]} c5 {[%emt 0:00:00]} 50. Kxh7 {[%emt 0:00:32]} c4 {[%emt 0:00:00]} 51. Kxg6 {[%emt 0:01:06]} c3 {[%emt 0:00:00]} 52. h5 {[%emt 0:00:27]} Kc4 {[%emt 0:00:00]} 53. h6 {[%emt 0:00:12]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.50"]
[White "Benito De Leo, Estefania"]
[Black "Herrera Aruca, Jorge Frank"]
[Result "1/2-1/2"]
[ECO "C08"]
[WhiteElo "1657"]
[BlackElo "1964"]
[Annotator "NA"]
[PlyCount "111"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} e6 {[%emt 0:00:27]} 2. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:04]} 3. Nd2 {[%emt 0:00:07]} c5 {[%emt 0:00:06]} 4. exd5 {[%emt 0:00:05]} exd5 {[%emt 0:00:07]} 5. Bb5+ {[%emt 0:00:26]} Nc6 {[%emt 0:00:10]} 6. Qe2+ {[%emt 0:01:17]} Qe7 {[%emt 0:00:07]} 7. dxc5 {[%emt 0:01:13]} Qxe2+ {[%emt 0:00:18]} 8. Nxe2 {[%emt 0:00:15]} Bxc5 {[%emt 0:00:07]} 9. Nb3 {[%emt 0:00:32]} Bb6 {[%emt 0:00:25]} 10. c3 {[%emt 0:02:26]} Nf6 {[%emt 0:00:10]} 11. O-O {[%emt 0:11:07]} O-O {[%emt 0:00:30]} 12. Ned4 {[%emt 0:04:44]} Bd7 {[%emt 0:01:01]} 13. Bd3 {[%emt 0:19:40]} h6 {[%emt 0:00:44]} 14. Re1 {[%emt 0:08:10]} Rfe8 {[%emt 0:00:13]} 15. Bf4 {[%emt 0:01:33]} a5 {[%emt 0:01:52]} 16. Nf3 {[%emt 0:06:49]} Bg4 {[%emt 0:01:04]} 17. Nbd4 {[%emt 0:03:47]} Ne4 {[%emt 0:02:21]} 18. Be3 {[%emt 0:02:02]} Nc5 {[%emt 0:11:58]} 19. Bc2 {[%emt 0:02:00]} Nd7 {[%emt 0:01:21]} 20. Nxc6 {[%emt 0:07:20]} bxc6 {[%emt 0:03:57]} 21. Bxb6 {[%emt 0:00:11]} Bxf3 {[%emt 0:00:54]} 22. Bxa5 {[%emt 0:03:10]} Re5 {[%emt 1:13:34]} 23. Re2 Rxe2 {[%emt 0:00:00]} 24. Rb1 {[%emt 0:25:26]} Re1+ 25. Rxe1 {[%emt 0:00:00]} Rxa5 {[%emt 0:00:00]} 26. gxf3 {[%emt 0:00:00]} Rxa2 {[%emt 0:00:00]} 27. Re8+ {[%emt 0:00:00]} Nf8 {[%emt 0:00:00]} 28. Rb8 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 29. f4 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 30. f5 {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 31. Rb7 {[%emt 0:00:00]} Nc5 {[%emt 0:00:00]} 32. Rb6 {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 33. Rb7 {[%emt 0:00:00]} Ne5 {[%emt 0:00:00]} 34. fxg6 {[%emt 0:00:00]} Nxg6 {[%emt 0:00:00]} 35. Bxg6 {[%emt 0:00:00]} Kxg6 {[%emt 0:00:00]} 36. Rb6 {[%emt 0:00:00]} f6 {[%emt 0:00:00]} 37. Rxc6 {[%emt 0:00:00]} Rxb2 {[%emt 0:00:00]} 38. Rd6 {[%emt 0:00:00]} Rb5 {[%emt 0:00:00]} 39. Kf1 {[%emt 0:00:00]} Kf5 {[%emt 0:00:00]} 40. Ke2 {[%emt 0:00:00]} Ke5 {[%emt 0:00:00]} 41. Rd8 {[%emt 0:00:00]} Kf4 {[%emt 0:00:00]} 42. Rh8 {[%emt 0:00:00]} Rb2+ {[%emt 0:00:00]} 43. Ke1 {[%emt 0:00:05]} Rb1+ {[%emt 0:00:00]} 44. Ke2 {[%emt 0:00:19]} Kg5 {[%emt 0:00:00]} 45. Rd8 {[%emt 0:00:34]} Rb5 {[%emt 0:00:00]} 46. Ke3 {[%emt 0:01:03]} Rc5 {[%emt 0:00:00]} 47. Kd4 {[%emt 0:00:46]} Rc4+ {[%emt 0:00:00]} 48. Kd3 {[%emt 0:00:24]} Rc5 {[%emt 0:00:00]} 49. Kd4 {[%emt 0:00:10]} Rc4+ {[%emt 0:00:00]} 50. Kd3 {[%emt 0:00:05]} Rh4 {[%emt 0:14:00]} 51. Rxd5+ {[%emt 0:10:04]} f5 52. c4 Rxh2 {[%emt 0:01:00]} 53. c5 {[%emt 0:01:00]} Rxf2 {[%emt 0:00:30]} 54. c6 {[%emt 0:00:30]} Ra2 {[%emt 0:00:30]} 55. c7 {[%emt 0:00:30]} Ra8 56. Rd8 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "7.51"]
[White "Ruiz Ortiz, Cristian Uriel"]
[Black "Francisco Cruz, Yahir Alberto"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1525"]
[BlackElo "1949"]
[Annotator "NA"]
[PlyCount "56"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:31:00]} e6 {[%emt 1:31:00]} 2. d4 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 3. exd5 {[%emt 0:00:30]} exd5 {[%emt 0:00:30]} 4. Nf3 {[%emt 0:00:30]} Bd6 {[%emt 0:00:30]} 5. Bd3 {[%emt 0:00:30]} Ne7 {[%emt 0:00:30]} 6. O-O {[%emt 0:00:30]} Bg4 {[%emt 0:00:30]} 7. Nbd2 {[%emt 0:00:30]} Nbc6 {[%emt 0:00:30]} 8. c3 {[%emt 0:00:30]} Qd7 {[%emt 0:00:30]} 9. b4 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 10. Be2 {[%emt 0:00:30]} Rae8 {[%emt 0:00:30]} 11. Nb3 {[%emt 0:00:30]} Ng6 {[%emt 0:00:30]} 12. Be3 {[%emt 0:00:30]} Nce7 {[%emt 0:00:30]} 13. Nfd2 {[%emt 0:00:30]} Bxe2 {[%emt 0:00:30]} 14. Qxe2 {[%emt 0:00:30]} Nf5 {[%emt 0:00:30]} 15. Nf3 {[%emt 0:00:30]} Nxe3 {[%emt 0:00:30]} 16. fxe3 {[%emt 0:00:30]} Bf4 {[%emt 0:00:30]} 17. Nc5 {[%emt 0:00:30]} Qc8 {[%emt 0:00:30]} 18. Qb5 {[%emt 0:00:30]} Bxe3+ {[%emt 0:00:30]} 19. Kh1 {[%emt 0:00:30]} b6 {[%emt 0:00:30]} 20. Nb3 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 21. Qd3 {[%emt 0:00:30]} Qg4 {[%emt 0:00:30]} 22. Ne5 {[%emt 0:00:30]} Nxe5 {[%emt 0:00:30]} 23. Qxe3 {[%emt 0:00:30]} Nc4 {[%emt 0:00:30]} 24. Qf3 {[%emt 0:00:30]} Qxf3 {[%emt 0:00:30]} 25. Rxf3 {[%emt 0:00:30]} Re2 {[%emt 0:00:30]} 26. a4 {[%emt 0:00:30]} Rfe8 {[%emt 0:00:30]} 27. a5 {[%emt 0:00:30]} Rb2 {[%emt 0:00:30]} 28. Nc1 {[%emt 0:00:30]} Re1+ {[%emt 0:00:30]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.1"]
[White "Vazquez, Guillermo"]
[Black "Mareco, Sandro"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2545"]
[BlackElo "2643"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,33,15,10,8,6,15,10,14,8,22,22,23,14,11,0,20,17,21,17,12,20,16,16,20,11]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a5 {6...h6 is the modern continuation. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 7. Re1 O-O 8. h3 Be6 {[%cal Of6e4]} 9. Bb5 Ba7 10. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Ne7 11. d4 Ng6 {The position is equal.} 12. Nf1 c6 13. Bd3 Nh5 14. Bc2 Nhf4 15. Ng3 {[#]} exd4 $146 ({Predecessor:} 15... Qd7 16. Nf5 f6 17. Be3 Kh8 18. dxe5 fxe5 19. Ng5 d5 20. Nxe6 Qxe6 21. Bxa7 Rxa7 {1-0 (34) Dominguez Perez,L (2752)-So,W (2772) Berlin 2022}) 16. Nxd4 Bxd4 17. cxd4 {A balanced but interesting game.  Weighted Error Value: White=0.02 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.2"]
[White "Santos Latasa, Jaime"]
[Black "Meier, Georg"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2640"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,67,30,42,28,26,21,43,32,45,35,47,48,53,33,43,29,52,48,52,-35,52,42,47,54,44,20,45,55,53,47,53,53,53,53,54,0,0,0,122,129,108,117,120,124,324,333,338,330,325,335,431,485,618,608,725,715]} 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. c3 {7.g3 is the modern continuation.} c5 8. Be3 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} (8. Ne5 {with more complications.} a6 9. Be3 Qc7 10. Qa4+ Bd7 11. Nxd7 Nxd7 12. Be2) 8... Qc7 9. Bb5+ (9. Ne5 {is interesting.} a6 10. Qa4+ Bd7 11. Nxd7 Nxd7 12. g3) 9... Bd7 10. Bxd7+ {White is slightly better.} Nxd7 11. d5 e5 12. Qc2 Bd6 {[#]} 13. O-O-O $146 ({Predecessor:} 13. Nd2 O-O 14. Ne4 c4 15. Rd1 Rfd8 16. O-O Nc5 17. Bxc5 Bxc5 18. Qe2 Bf8 19. Rd2 {0-1 (89) Svetushkin,D (2618)-Drozdovskij,Y (2567) Port Erin 2007}) 13... O-O 14. h4 {[%cal Bh2h4,Bh4h5,Bh5h6][%mdl 32]} b5 15. h5 c4 16. g4 ({White should play} 16. Nh4 $14) 16... Bc5 (16... b4 $1 $15) 17. Qf5 (17. Bxc5 Nxc5 18. h6 (18. d6 Qb7 $17) 18... g6 $11) 17... Bxe3+ 18. fxe3 {[#] Hoping for Ng5.} Qd6 19. Ng5 {[%csl Gg5][%cal Rf5h7]} Nf6 20. h6 {Threatens to win with hxg7.} g6 21. Qf3 {And now Rhf1 would win.} Rab8 22. Rhf1 Rb6 23. Rf2 a5 24. Rdf1 $40 {[%mdl 128] White mounts an attack.} (24. Qg3 $14) 24... Qe7 $11 (24... Qxd5 $2 25. Qxd5 Nxd5 26. Rxf7 Rxf7 27. Rxf7 $18) 25. Nxf7 Rxf7 (25... Qxf7 26. g5 $16) (25... e4 $1 $11 26. Qd1 (26. Qxf6 $2 Rxf6 27. Rxf6 Qc5 $19) 26... Rxf7) 26. g5 $16 b4 {[%cal Ob4c3] [#] aiming for ...bxc3!} 27. gxf6 Qf8 28. cxb4 Qxh6 $2 {Loses the game.} (28... axb4 $16 29. Qe4 Qd6) 29. Qg3 ({Weaker is} 29. bxa5 Rbxf6 30. Qe2 (30. Qxf6 Rxf6 31. Rxf6 Qxe3+ 32. Kc2 Qd3+ 33. Kc1 Qe3+ 34. Kd1 c3 $11) 30... Rxf2 31. Rxf2 Qh1+ 32. Kc2 Qe4+ 33. Kc1 Qh1+ 34. Kc2 Qe4+ 35. Kc3 Qxd5 36. Rxf7 Qxa5+ 37. Kc2 Qa4+ 38. Kc1 (38. Kc3 Kxf7 39. Qf3+ Ke8 $11) 38... Kxf7 $11) 29... axb4 30. Qxe5 Ra6 31. Kb1 {Chess con chili.} Qf8 32. Qd4 {White is clearly winning.} c3 33. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Ra5 34. e5 {Prevents Qd6.  Weighted Error Value: White=0.09 (flawless) /Black=0.30} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.3"]
[White "Cori, Jorge"]
[Black "Cordova, Emilio"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2650"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,34,18,18,18,21,9,14,27,27,29,13,20,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. Qc2 c5 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} 10. e4 {[#] Threatens to win with e5.} cxd4 11. Nxd4 Nc6 12. Nxc6 Bxc6 13. Rad1 Qc7 {The position is equal.} 14. Nb3 Rac8 15. Qd3 Bb7 {[#]} 16. Rc1 $146 ({Predecessor:} 16. Qxd6 Qxc4 17. f3 Qa4 18. Rf2 Ba6 19. Rfd2 Bc4 20. Nd4 Bxa2 21. e5 Ne8 22. Qa3 Qxa3 23. bxa3 {0-1 (65) Rodrigues,A (1639)-Bukharin,A (1850) Chessfriend.com 2005}) 16... Ba6 {[%cal Ra6c4]} 17. Nd2 Qc5 {Not much happened in this game.  Weighted Error Value: White=0.04 (flawless) /Black=0.01 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.4"]
[White "Rodriguez Vila, Andres"]
[Black "Obregon Rivero, Juan Carlos"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2461"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,-48,-41,-104,25,30,17,12,14,14,10,-26,-35,-47,-30,-109,0,-77,-78,-255,-207,-185,-183,-252,-69,-62,-40,-242,-243,-236,-244,-244,-244,-244,-239,-251,-251,-222,-222,-241,-247,-244,-244,-286,-279,-320,-292,-285,-241,-245,-242,-247,-242,-244,-229,-265,-276,-428,-377,-451,-391,-556,-556,-584,-564,-572,-566,-532,-509,-499,-386,-686,-686,-686,-686,-686,-686,-677,-675,-660,-639]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 4. e3 Qa5 5. Nf3 Ne4 $1 6. Be2 {D00: 1 d4 d5: Unusual lines.} (6. Bb5+ $15 Nc6 7. Rb1) 6... Nc6 (6... Nxc3 $17 7. bxc3 Qxc3+ 8. Kf1 Nc6) 7. O-O $11 Nxc3 8. bxc3 {The position is equal.} Qxc3 {[#]} 9. Rb1 $146 ({Predecessor:} 9. dxc5 e6 10. Bb5 Qxc5 11. Rb1 Bd6 12. Ne5 Bxe5 13. Bxe5 O-O 14. Bxc6 Qxc6 15. f4 {0-1 (37) Wolmarans,R (1509)-Samuels,E (1855) Boksburg 2020}) 9... c4 {Prevents Rb3.} 10. Rb5 e6 11. e4 dxe4 (11... a6 $5 {[%cal Ra6b5]} 12. Rb1 Be7 $17) 12. Ng5 (12. Bd2 $11 {remains equal.} Qa3 13. Ng5) 12... a6 (12... Nxd4 13. Nxe4 $1 Nxb5 14. Nxc3 Nxc3 15. Qd2 Nxe2+ 16. Qxe2 $16) ({Better is} 12... Qxd4 $17 {Threatens to win with ...h6.} 13. Qb1 h6) 13. Bh5 g6 14. d5 $2 axb5 15. dxc6 Qf6 (15... gxh5 16. Nxe4 Qg7 17. Bg5 $18) 16. g3 (16. Nxe4 {keeps fighting.} Qxf4 17. Qd4) 16... Be7 $2 (16... bxc6 17. Nxe4 Qf5 18. Bf3 $18) ({Black should try} 16... gxh5 $19 17. Nxe4 Qf5) 17. Nxe4 $15 Qf5 (17... Qg7 $5 {[%cal Rg6h5]} 18. Bf3 O-O 19. cxb7 Bxb7 $17) 18. Nd6+ $2 {White is now going downhill.} (18. Bf3 $1 $15 O-O 19. Bd6 Bxd6 20. Nxd6) 18... Bxd6 $19 19. Qxd6 {[%cal Of1d1] White wants to mate with Rd1!} Qd5 (19... Qxh5 20. Rd1 Qxd1+ 21. Qxd1 $18) 20. Bf3 Qxd6 (20... Qxf3 $2 21. Rd1 Qxd1+ 22. Qxd1 $18) 21. Bxd6 {[#] This bishop pair is nice.} Ra6 $1 22. Be5 f6 $1 23. Bxf6 ({Don't play} 23. cxb7 {[#]} Bxb7 $1 24. Bxb7 Rb6 25. Bxf6 Rf8 $19) 23... Rf8 24. cxb7 {[#]} Bxb7 {[%mdl 512]} 25. Bxb7 Rb6 26. Be5 {aiming for Be4.} ({Reject} 26. Bg7 Rf7 27. Bd4 Rbxb7) 26... Rxb7 {[%mdl 4096] Endgame KRR-KRB} 27. Rb1 Kf7 28. c3 Rd8 29. a4 Ra8 30. axb5 Ra5 31. Re1 {[%cal Ob5b6]} Rbxb5 ({Not} 31... Raxb5 $2 32. Re4) 32. Bd6 Rd5 33. Bf4 (33. Bc7 $142 Ra3 34. Be5) 33... e5 34. Bg5 Ke6 35. h4 (35. Re2 {was worth a try.}) 35... Ra3 36. Rb1 Rxc3 37. Rb8 Rd7 38. Kg2 Rb3 39. Re8+ Kf7 40. Rxe5 (40. Rh8) 40... Rc7 {Black is clearly winning.} 41. Bf4 c3 42. Re3 Rc8 43. Rf3 Kg8 44. Bh6 Rb1 {Weighted Error Value: White=0.52/Black=0.24 (precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.5"]
[White "Almeida Quintana, Omar"]
[Black "Henderson de La Fuente, Lance"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2535"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,40,0,0,0,0,0,11,-14,25,18,13,-16,6,13,15,15,20,8,38,0,0,-16,-12,-70,-37,-75,-70]} 1. d4 d5 2. Nf3 c6 3. e3 Nf6 4. c4 e6 5. Nc3 Nbd7 6. Qc2 Bd6 7. g4 Nxg4 8. Rg1 Qf6 {8...f5 is not played anymore.} 9. Rxg4 {[#] Strongly threatening Be2. D45: Semi-Slav: 5 e3.} Qxf3 10. Rxg7 Nf6 {To avoid e4} 11. h3 {Prevents Ng4. The position is equal.} (11. Rg5 $5 {[%cal Rf1g2]} Qh1 12. f4 $11) 11... Kf8 12. Rg5 ({Of course not} 12. Bg2 Qh5 13. Rg3 Bxg3 14. fxg3 Rg8 $17) 12... Qh1 13. f4 {[#]} h6 $146 ({Predecessor:} 13... Rg8 14. Rxg8+ Kxg8 15. Qf2 Bd7 16. Bd2 Kh8 17. O-O-O Rg8 18. Qh4 Be7 19. Bd3 Qh2 20. Bxh7 {½-½ (46) Kubikova,H (2159)-Blazejova,J ICCF email 2015}) 14. Rg2 Rg8 $1 15. Rxg8+ Kxg8 16. Qf2 b5 17. cxb5 cxb5 18. Nxb5 Bb4+ 19. Kd1 (19. Nc3 $1 $11) 19... Bd7 {[%mdl 1024] [#] aiming for ...Bxb5. Black has compensation.} (19... Ba6 $5 {[%cal Ra6b5]} 20. a4 Kh7 21. Qc2+ Kh8 $15) 20. Nc3 Bxc3 {Weighted Error Value: White=0.17 (very precise) /Black=0.11 (very precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.6"]
[White "Alonso Rosell, Alvar"]
[Black "Cardoso Cardoso, Jose Gabriel"]
[Result "1-0"]
[ECO "A32"]
[WhiteElo "2570"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,48,14,20,27,30,18,28,29,40,20,55,40,70,55,112,111,156,101,110,104,127,63,144,123,134,146,172,165,600,606,727,355,374,356,331,252,644,624,1519]} 1. d4 {Ribli,Z} Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Bc5 7. Nb3 {A32: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6.} Be7 8. Bg2 {Threatens to win with Ba5.} Nc6 {Prevents Ba5.} 9. Nc3 {White has an edge.} d6 10. Bf4 {[#]} Ng4 $146 ({Predecessor:} 10... O-O 11. O-O Nh5 12. Be3 Ne5 13. c5 d5 14. Bd4 Nc6 15. e4 Nxd4 16. Qxd4 dxe4 17. Qxe4 Nf6 18. Qe5 Bd7 19. Bxb7 Qb8 20. Qxb8 Raxb8 {1-0 (36) Kasparov,G (2838)-Oral,T (2546) Prague 2001 CBM 086 [Ribli,Z]}) 11. O-O {[%cal Oc4c5]} Nge5 12. c5 O-O (12... dxc5 $14 13. Qxd8+ Bxd8) 13. cxd6 Bxd6 (13... Qxd6 $142 14. Qxd6 Bxd6) 14. Rc1 (14. Bxc6 $142 bxc6 15. Ne4) 14... Qe7 $16 15. Ne4 Bb8 16. Qc2 (16. Be3 $16) 16... Ng6 ({Black should try} 16... Nb4 $14 17. Qc5 (17. Qxc8 Nbc6 $11) 17... Qxc5 18. Nexc5 (18. Rxc5 Nd5 $14) 18... Nxa2) 17. Be3 {Strongly threatening Bc5. White is more active.} Rd8 18. Rfd1 $36 {[%mdl 2048] White has strong initiative.} Rxd1+ 19. Rxd1 {[%cal Ob3a5] Hoping for Na5!} e5 $2 {[#]} (19... Qe8 20. Bc5 a5) 20. Na5 $1 $18 {[%mdl 512]} Bd7 {[#]} (20... Bc7 21. Nxc6) 21. Nxb7 (21. Bg5 $142 $1 Qe6 22. Nxc6 Bxc6 23. Nc5) 21... Nd4 22. Bxd4 exd4 23. Nec5 ({Less strong is} 23. Rxd4 Be5 24. Rd2 Bf5 $18) 23... Bg4 $2 (23... Be5 24. Qe4 Bb5) 24. Rxd4 Ne5 {Weighted Error Value: White=0.36/Black=0.67} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.7"]
[White "Leon Valdes, Jony Wilson"]
[Black "Albornoz Cabrera, Carlos Daniel"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "2392"]
[BlackElo "2567"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,100,0,10,49,58,36,33,29,6,12,-22,-29,-16,-22,-24,-21,-28,-29,-26,23,28,12,10,11,-14,10,0,0,14,32,39,34,0,-7,0,0,-40,0,0,0,0,0,0,0,-12,-8,-100,-100,-141,-141,-141,-141,-1356,-1356,-1356,-1356,-1352,-1339,-1110,-1000,-778,-281,-2097,-1996,-5493,-5810,-29959,-12473,-29970,-29971,-29973,-12788,-29976,-29977,-12395,-10549,-6294,-6281,-29958,-29959,-29982,-29983,-29983,-29984,-29985,-29986,-29986,-29987]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Qb3 Nb6 8. Be2 N8d7 {D94: Grünfeld: 4 Nf3 Bg7 5 e3.} 9. a4 {Strongly threatening a5.} a5 10. O-O e5 {White is slightly better.} 11. Rd1 Qe7 {[#]} 12. d5 $146 ({Predecessor:} 12. Qc2 exd4 13. exd4 Nf6 14. Bg5 Bf5 15. Bd3 Bxd3 16. Qxd3 Qb4 17. Bd2 Qd6 18. Nb5 {1-0 (52) Sjostam,A-Semenov,D Stockholm 1926}) 12... e4 13. Nd4 Nf6 14. Ndb5 Rd8 {Inhibits d6.} 15. Qa3 Qe5 {[%cal Rb6d5]} 16. Qc5 Rd7 (16... Ne8 $142) 17. f4 $1 $11 exf3 $1 18. Bxf3 Re7 19. Qd4 Ne8 20. Qxe5 Bxe5 21. b3 Nd6 22. Ba3 Bxc3 23. Bxd6 (23. Nxc3 $14 Rxe3 24. Rac1) 23... cxd6 24. Nxc3 Rxe3 25. Nb5 Bd7 26. Nxd6 Rxb3 27. Nxb7 Nxa4 28. d6 {[%cal Ob7c5] Threatens to win with Nc5!} Ra7 $36 {[%cal Ob3f3][%mdl 2048] White must now prevent ...Rxf3! Black fights for an advantage.} 29. Rxa4 {aiming for Rc4.} Rxf3 $1 ({Don't take} 29... Bxa4 30. Nc5 $16) ({Don't do} 29... Rbxb7 30. Rc4 (30. Bxb7 Bxa4 31. d7 Bxd7 $16) 30... Rb3 31. Rc7 Rxc7 32. dxc7 $16) 30. gxf3 (30. Rxa5 $11 Rxa5 31. Nxa5) 30... Bxa4 $17 31. d7 {[#]} Bxd7 $1 {[%mdl 512]} 32. Rxd7 {[%mdl 4096] Endgame [#] KRN-KR} Kg7 $1 {Hoping for ...a4.} 33. Nc5 {[%mdl 8192] White does not recover from this.} (33. Kf2 $17) 33... Rxd7 $19 34. Nxd7 {KN-KP} a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 35. Nc5 a3 {And now ...a2 would win.} 36. Kf2 a2 37. Nb3 Kf6 38. Ke3 $2 (38. f4 g5 39. Kf3) 38... Kf5 39. Nd4+ Kg5 40. Nc2 Kh4 {( -> ...h6)} 41. Kf2 Kh3 42. Kg1 g5 (42... f5 $142 43. f4 Kg4 44. Kf2 Kxf4 45. h4 g5 46. hxg5 Kxg5 47. Kf3 h5 48. Na1 f4 49. Ke4 Kg4 50. Kd3 h4 51. Nb3 h3 52. Nd2 a1=Q 53. Nb3 Qb1+ 54. Kc3 h2 55. Nd2 Qc1+ 56. Kd4 h1=Q 57. Ne4 Qe3+ 58. Kc4 Qhxe4+ 59. Kb5 Qb7+ 60. Kc4 Qbb3#) 43. Na1 f5 {[%cal Bf7f5,Bf5f4,Bf4f3,Bf3f2][%mdl 32]} 44. Nc2 f4 45. Na1 h5 {[%cal Bh7h5,Bh5g4][%mdl 32]} 46. Nc2 g4 {Black mates.} 47. fxg4 hxg4 48. Na1 f3 (48... g3 49. hxg3 fxg3 50. Kh1 $11) 49. Nc2 {[#]} f2+ $1 {[%mdl 64] Deflection, Promotion} ({Not} 49... g3 50. hxg3 Kxg3 51. Kf1 $11) 50. Kxf2 Kxh2 {Weighted Error Value: White=0.91/Black=0.16 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.8"]
[White "Cuenca Jimenez, Jose Fernando"]
[Black "Valdes Romero, Leonardo"]
[Result "1-0"]
[ECO "A70"]
[WhiteElo "2552"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,65,42,40,41,43,47,39,45,1,100,79,125,76,98,95,91,85,139,128,163,118,147,131,132,122,104,110,110,106,142,124,142,166,925,916,1045,1051,1029,1022,1046,1055,1106,1102,1106,1067]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 Bg7 8. Qa4+ Bd7 9. Qb3 Qc7 10. e4 O-O 11. Nd2 $1 {The main line 11.Nd2 scores better than 11.Be2.} Nh5 12. Be3 f5 {A70: Modern Benoni: 6 e4 g6 7 Nf3.} 13. exf5 Bxf5 14. Be2 {Threatens to win with g4.} Nf6 {Inhibits g4. White is slightly better.} 15. h3 (15. Bf4 $14) 15... a6 (15... Na6 $1 $11 {remains equal.}) 16. a4 $1 $16 {Black is now going downhill.} (16. g4 Bc8 $11) 16... h5 ({Black should try} 16... Qe7) 17. Nc4 ({White should play} 17. Qd1) 17... Nbd7 18. Bf4 Ne8 {[%cal Of5h3] [#]} 19. Bh2 $1 {[#] g4 is the strong threat.} h4 $146 (19... Ndf6 $142) ({Predecessor:} 19... Ndf6 20. Ne3 Be4 21. f3 Bf5 22. Nxf5 gxf5 23. Qc2 Nd7 24. O-O f4 25. Ne4 Bh6 {1-0 (49) Gonzalez Garcia,J (2508)-Rojas Keim,L (2437) Barcelona 2010}) 20. O-O Rb8 21. Bg4 (21. Rfe1 $18) 21... b5 22. Bxf5 gxf5 23. axb5 axb5 24. Nxb5 {Strongly threatening Rfe1.} Qb7 {[%csl LRb5,LRd5] [#]} 25. Ra5 $36 {[%mdl 2048] Black is under strong pressure. White is much more active. Black has bad knights.} ({Much less strong is} 25. Ncxd6 Nxd6 26. Bxd6 Qxb5 $14) ({Don't play} 25. Bxd6 Qxb5 26. Qxb5 Rxb5 27. Bxf8 Nxf8 $14) 25... f4 26. Qd3 Ne5 27. Nxe5 Bxe5 {[#]} (27... dxe5 28. d6 Rf7) 28. Ra7 $1 $18 {White is clearly winning.} c4 (28... Rf7 29. Qg6+) 29. Qg6+ Ng7 30. Rxb7 Rxb7 31. Na3 Rb4 32. Qe4 Bxb2 33. Nc2 {Weighted Error Value: White=0.07 (flawless) /Black=0.34} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.9"]
[White "Gonzalez Zamora, Juan Carlos"]
[Black "Sanchez Alvarez, Roberto Carlos"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2544"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,2,8,-15,-10,-16,12,-30,-31,-25,-32,-30,-25,-46,0,0,0,0,8,8,11,16,2,0,18,12,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,2,2,11,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. dxc5 e6 (5... Bg4 {looks sharper.} 6. Qd3 e6 7. Ne5 Bxc5 8. Qb5 Qb6) 6. Nbd2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bxc5 7. a3 Bd6 8. Bg5 (8. Bxd6 $142 Qxd6 9. c4) 8... h6 $11 9. Bh4 O-O 10. c4 {[#]} Be7 $146 ({Predecessor:} 10... g5 11. Bg3 g4 12. Nd4 e5 13. Nb5 Be7 14. cxd5 Nxd5 15. Qc2 Be6 16. Bc4 Qd7 {½-½ (58) Nucci,L (2281)-Sacerdotali,S (2246) IECG email 2003}) 11. Rc1 a6 (11... d4 $1 $15) 12. Bd3 {The position is equal.} dxc4 13. Bxc4 Nh5 14. Bxe7 Qxe7 15. O-O Rd8 16. Be2 e5 17. Qc2 Nf6 18. Nc4 Bg4 19. h3 Bh5 20. Rfd1 e4 21. Nh2 {[%cal Bf3h2,Bh2f1,Bf1g3][%mdl 32]} Bxe2 22. Qxe2 Rxd1+ 23. Rxd1 b5 24. Nd2 Qe6 25. Nhf1 Rd8 26. Nb1 Rxd1 27. Qxd1 Nd5 28. Nbd2 f5 29. Nb3 Nce7 30. Ng3 f4 31. exf4 e3 {[#] aiming for ...exf2+.} 32. Qf3 exf2+ 33. Qxf2 Nxf4 34. Qxf4 {Weighted Error Value: White=0.04 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.10"]
[White "Corrales Jimenez, Zenia"]
[Black "Quesada Perez, Luis Ernesto"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2151"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,93,32,7,12,0,14,0,24,16,110,129,104,104,150,158,151,147,164,166,185,191,188,217,214,218,207,215,201,180,216,212,219,210,230,245,235,230,225,222,227,185,232,225,236,155,144,137,119,129,241,258,268,257,258,236,284,243,346,332,415,406,547,458,500,398,908,902,858,856,1061,1064,986,881,870,848,882,881,927,931,956,932]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Bb5+ Nbd7 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 h6 8. Be3 a6 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 9. Bc4 b5 10. Bb3 Bb7 {The position is equal.} 11. a4 {With the idea 0-0.} b4 {[#]} (11... Qa5 $11 {remains equal.}) 12. Qc4 $1 $16 {[%csl Gb3,LRb4,LRf7][%cal Rc4f7] White is more active.} d5 13. Nxd5 $40 {[%mdl 128] White has strong attack.} Nxd5 (13... Rc8 $142 14. Qd3 Bc5) 14. exd5 {[%cal Od5d6] [#]} Bd6 $146 ({Predecessor:} 14... Rc8 15. Qe2 Bd6 16. Nd2 O-O 17. Ne4 Nc5 18. Nxc5 Bxc5 19. O-O-O Qd6 20. Rhe1 Rfe8 {1-0 (47) Arkhipov,S (2520)-Obukhov,A (2490) Azov 1993}) 15. O-O-O O-O 16. g4 {[%cal Bg2g4,Bg4g5,Bg5h6][%mdl 32]} Rc8 {[#]} 17. Qe2 Re8 18. g5 e4 19. Nd4 Nc5 ({Not} 19... hxg5 20. h4 g4 21. Qxg4) 20. gxh6 g6 21. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Kh7 22. h5 Nxb3+ 23. Nxb3 Re5 24. hxg6+ fxg6 25. Rhg1 {[%cal Og1g6] Black must now prevent Rxg6!} Qf6 26. Qg4 {Na5 is the strong threat.} Qf5 27. Qxf5 Rxf5 28. Nd4 {[%cal Bb3d4,Bd4e6,Be6f4,Bf4d5,Bd5b4][%mdl 32]} Rxd5 29. Ne6 {To avoid Bc5} Be7 30. Nf4 Rxd1+ 31. Rxd1 Bc6 {To avoid Rd7} (31... Rd8 $16 {was called for.}) 32. Nd5 $18 Bh4 33. Nxb4 Bxa4 34. b3 Bb5 35. c4 a5 {[#]} (35... Be7 $142) 36. Rd5 $1 Be8 (36... Bxc4 37. bxc4) 37. Rxa5 {Hoping for Ra7+.} g5 38. Ra6 Bf7 39. Nc6 Re8 $2 (39... Rc7 40. Ne5 Bh5) 40. Ra7 {White is clearly winning.} Kg6 41. h7 g4 {[#]} 42. Ne5+ $1 {[%mdl 512]} Kxh7 43. Nxf7 {Threatens to win with Nd6+.} Kg6 44. Nd6 Rb8 45. Kc2 Rf8 46. Nxe4 Re8 47. Ra6+ {Weighted Error Value: White=0.09 (flawless) /Black=0.34} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.11"]
[White "Diaz Perez, Michel Alejandro"]
[Black "Santos, Jose Guilherme B Lim"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "2459"]
[BlackElo "2363"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,69,3,13,14,14,13,10,26,15,19,15,6,23,23,17,10,43,43,45,25,64,73,59,91,93,87,124,139,107,74,78,78,77,69,68,0,0,0,0,0,0,0,0,0,0,5,77,67,47,72,252,252,612,592,572,566,570,554,381,61]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. a4 Bb4 7. Bxc4 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3.} b6 {is recently more successful than 7...0-0.} 8. O-O Bb7 {To avoid e4} 9. Qe2 {The position is equal.} O-O 10. Rd1 Nbd7 11. Ne5 Qe7 12. Nxd7 Qxd7 13. f3 Qe7 14. e4 e5 15. Be3 {[#]} Rfd8 $146 ({Predecessor:} 15... exd4 16. Bxd4 Bc5 17. Qf2 Bxd4 18. Rxd4 c6 19. Re1 c5 20. Rd2 Nh5 21. g3 Rad8 {1-0 (67) Cebalo,M (2509)-Loncar,R (2424) Zagreb 2009}) 16. dxe5 Bxc3 17. bxc3 Qxe5 18. Rd4 c5 19. Rxd8+ Rxd8 20. Rd1 Rxd1+ 21. Qxd1 {Threatens to win with Qd8+.} Qe7 {Prevents Qd8+.} 22. Bg5 {White is more active.} h6 23. Bxf6 (23. Bh4 $14) 23... Qxf6 $11 24. Qd7 {Black must now prevent Qe8+.} Bc6 25. Qc8+ Kh7 26. e5 Qf4 27. Bxf7 Qxf7 28. Qxc6 {[%mdl 4096] Endgame KQ-KQ} Qf4 {[#]} (28... Qb3 $11) 29. Qd5 $1 $16 ({Don't play} 29. Qxb6 Qc1+ 30. Kf2 Qd2+ 31. Kf1 Qd1+ 32. Kf2 Qd2+ 33. Kg3 Qg5+ 34. Kh3 Qh5+ 35. Kg3 Qg5+ 36. Kh3 Qh5+ 37. Kg3 Qg5+ $11) 29... Qe3+ 30. Kf1 {e6 is the strong threat.} b5 $2 {Black cannot hold the game after this.} (30... Qc1+ $16 {was worth a try.} 31. Ke2 Qc2+ 32. Kf1 Qc1+ 33. Ke2 Qc2+ 34. Qd2 Qxa4) 31. axb5 $18 axb5 {[#]} (31... Qc1+ 32. Kf2 Qc2+ 33. Kg3 Qg6+ 34. Kf4 axb5) 32. e6 $1 {aiming for Qf5+.} b4 33. cxb4 cxb4 34. Qf5+ Kh8 35. Qf8+ {Weighted Error Value: White=0.04 (flawless) /Black=0.36} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.12"]
[White "Capo Vidal, Uriel"]
[Black "Fier, Alexandr"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "2306"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,110,-10,0,-7,-21,-14,-22,-35,-18,-57,-40,-61,-61,-37,-21,-41,-48,-49,-19,-16,-10,-31,0,0,0,0,50,0,0,-43,-43,-46,0,0,56,53,67,63,86,91,97,95,268,227,432,-79,-97,-155,-116,-155,-159,-149,-143,-150,-122,-156,-150,-124,-8,-245,-213,-206,-214,-195,-182,-232,-232,-232,-235,-229,-196,-213,-206,-376,-221,-506,-273,-253,-160,-791,-787,-679,-665,-614,-524,-524,-524,-29968,-29968,-29973,-29972,-29991,-29992]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 dxc4 6. e4 c5 7. d5 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 8. e5 b4 9. exf6 exf6 10. Qe2+ Kf8 11. Be3 {D91: Grünfeld: 4 Nf3 Bg7 5 Bg5.} bxc3 12. bxc3 Ba6 (12... Qxd5 13. Rd1 (13. Qxc4 Qxc4 14. Bxc4 Be6 $14) 13... Qe6 14. Bxc5+ Ke8 15. Nd4 Qxe2+ 16. Bxe2 $16) 13. Qd2 {The position is equal.} Nd7 {[#]} 14. Be2 $146 ({Predecessor:} 14. g3 Qa5 15. Bg2 Nb6 16. O-O Rd8 17. Nh4 Bc8 18. d6 Kg8 19. Rfe1 Be6 20. Bh6 Bxh6 21. Qxh6 Rxd6 {1-0 (55) Sande,O (2522)-Millstone,M (2350) ICCF email 1999}) 14... f5 15. O-O h6 16. d6 Rc8 17. Qc2 Qa5 (17... Qf6 18. Qa4 Nb8 19. d7 $16 (19. Bxc4 Bxc4 20. Qxc4 Qxd6 $14)) 18. Rfd1 Bf6 (18... Qxc3 $2 19. Qa4 Nb8 20. Rab1 $18) 19. Nd2 Nb6 (19... Qxc3 $2 20. Qa4 $18) (19... Bxc3 20. Rab1 (20. Rac1 Bd4 $14) 20... Ne5 21. Nf3 $14) 20. g4 Bb5 (20... Bxc3 21. Rac1 Bd4 22. Nxc4 Bxc4 23. Bxc4 Bxe3 24. fxe3 $14) 21. gxf5 Ba4 (21... Bxc3 $2 22. fxg6 Re8 23. Qf5 $18) 22. Qe4 Bc6 (22... Qxc3 $11 23. fxg6 Qc2) 23. Qg4 (23. Qf4 $14 g5 24. Qg4) 23... h5 (23... Qxc3 24. fxg6 h5 25. Qf4 $14) 24. Qh3 (24. Qf4 $11 Rg8 25. Rac1 (25. Qh6+ Ke8 $15)) 24... Bd7 $1 $15 (24... Bxc3 $2 25. fxg6 Bd7 26. Qh4 $18) 25. Nxc4 Nxc4 (25... Qa4 $1 $15 26. Qf3 gxf5) 26. Bxc4 $11 gxf5 (26... Bxf5 $11 27. Qg3 Kg7) 27. Bd5 Qa4 28. Qf3 $1 {Prevents f4.} Be5 {Inhibits Bf4.} 29. c4 Bxa1 30. Rxa1 Qc2 $2 (30... Be6 $16) 31. Bg5 $1 $18 Kg7 $2 (31... f4 32. Kh1 (32. Qxf4 Qf5 $16) (32. Be7+ Kg7 $16) 32... Rb8) 32. Be7 $2 {This bishop pair is nice.} (32. Kh1 $18 {Hoping for Rg1.} Be6 33. Rg1 Bxd5 34. Qxd5 Qe4+ 35. Qxe4 fxe4 36. d7) 32... Rh6 $1 $17 33. Kh1 (33. h3 $142) 33... Rg6 34. Rg1 Rb8 $1 35. Rxg6+ fxg6 {Dancing on a razor blade.} 36. Kg2 Qd2 37. Qg3 {[#]} Qd4 $1 {[%cal Od7e6]} 38. h3 Rb2 ({Better is} 38... a6 $17 {White should prevent ...a5.} 39. Bg5 h4) 39. Bh4 $2 {Black keeps a firm grip on the game.} (39. Bg5 $1 $11 {and White is okay.}) 39... Re2 ({And not} 39... Rxa2 40. Qg5 Qe5 41. Qd8 $11) 40. Qg5 {[#] Threatens to win with Qd8.} Re8 {Inhibits Qd8.} 41. Bg3 {Black must now prevent Bf4.} Qf6 42. Qd2 (42. Bf4 $142 Qxg5+ 43. Bxg5) 42... g5 $19 {[%cal Bg6g5,Bg5h4][%mdl 32]} 43. h4 gxh4 44. Bf4 Kh7 {aiming for ...Qg7+.} 45. Kh2 Qg6 {And now ...Qg4 would win.} 46. Be3 $2 (46. Bf3 {might work better.}) 46... Qg4 (46... Qxd6+ $142 47. Bf4 Qg6) 47. Bxc5 $2 (47. Qc3 {was necessary.}) 47... Re2 48. Qc3 f4 {Strongly threatening ...Qg3+.} 49. Qf3 (49. Bg2 $17) 49... Qg3+ 50. Qxg3 hxg3+ {KRB-KB} 51. Kg2 h4 {[%cal Bh5h4,Bh4h3,Bh3h2][%mdl 32]} 52. Kf3 Rxa2 53. Kxf4 gxf2 {Black mates.} 54. Bg2 h3 55. Bf1 h2 {Weighted Error Value: White=0.71/Black=0.30} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.13"]
[White "Sanchez Enriquez, Oscar Gerardo"]
[Black "Ibarra Chami, Luis Fernando"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2305"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,56,41,48,32,39,32,12,20,18,-22,-22,-27,-25,-32,-37,-29,-36,-41,-22,-112,-115,-143,-109,-107,-103,-159,-168,-166,-157,-181,-142,-299,-300,-275,-302,-321,-234,-341,-189,-322,-303,-391,-367,-362,-369,-367,2157]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 {[%cal Bg8f6,Bf6g4,Bg4e5][%mdl 32]} 4. Bb5 Qc7 5. O-O Nd4 6. Re1 a6 7. Bf1 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} Ng4 {( -> ...Nxf3+)} 8. e5 Nxf3+ {8...h5 is the modern continuation.} 9. Qxf3 {The position is equal.} Nxe5 10. Qg3 {Threatens to win with d4.} d6 11. b4 cxb4 12. Nd5 {[#]} Qc5 $146 (12... Qxc2 13. d4 Qc6 14. Nxb4 $16) ({Predecessor:} 12... Qd8 13. d4 e6 14. Nxb4 Ng6 15. Nd5 Bd7 16. c4 Qa5 17. Bb2 Bc6 18. Bc3 Qd8 {1-0 (33) Antipov,M (2586)-Khalafova,N (2303) Dubai 2017}) 13. d4 Qxd5 (13... Qxd4 14. Nc7+ Kd8 15. c3 $1 (15. Be3 Qxa1 16. Rxa1 Kxc7 $16) 15... Qxc3 16. Qxc3 bxc3 17. Nxa8 $18) 14. dxe5 dxe5 15. Bb2 (15. Rxe5 $11 {remains equal.} Qd4 16. Rb1) 15... f6 $17 16. Rad1 Qc6 17. Bd3 {[%cal Od3g6] White wants to mate with Bg6+!} (17. Qd3 $2 Be6 18. a3 bxa3 19. Bxa3 Rc8 $19) 17... Bd7 18. Re4 ({White should play} 18. Bxh7 O-O-O 19. Be4) 18... Be6 19. Rxb4 {[#]} Rd8 $1 {...a5 is the strong threat.} (19... Bxa2 20. Be4 Qe6 21. Qf3 $16 (21. Rxb7 Rc8 $14)) 20. Re1 {[%cal Od3h7]} ({Don't go for} 20. Bg6+ $2 hxg6 21. Qxg6+ Bf7 22. Rxd8+ Kxd8 $19) 20... Kf7 21. Bxe5 $2 (21. Be4 $17 Bd5 22. Bxd5+ Qxd5 23. c4) 21... fxe5 $19 22. Qxe5 Rd6 ({Wrong is} 22... Qd6 $2 23. Rf4+ Ke8 24. Rxf8+ Rxf8 25. Qxe6 $19) 23. Qh5+ g6 24. Rf4+ (24. Bxg6+ $142 hxg6 25. Qxh8) 24... Ke8 (24... Kg8 $142 25. Bxg6 hxg6 26. Rxf8+ Kxf8 27. Qxh8+ Bg8 28. Qh6+ Kf7 29. Qf4+ Ke8) 25. Bxg6+ (25. Qe5 $142 g5 26. Rf3) 25... Kd8 {aiming for ...Qc3.} 26. Qa5+ b6 {Black is winning.} 27. Qe5 Rg8 28. Be4 {[#]} Rh8 $4 {[%mdl 40960] White used his chance.  Weighted Error Value: White=0.42/Black=0.19 (very precise) . Loss on time!?} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.14"]
[White "Berdayes Ason, Dylan Isidro"]
[Black "Herrera Ortiz, Miguel"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2445"]
[BlackElo "2297"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,93,37,77,50,60,66,81,81,104,104,106,66,76,79,104,93,102,89,93,78,119,119,129,93,100,94,110,0,109,111,120,111,111,113,216,214,219,214,220,172,231,148,137,145,140,127,259,120,434,425,398,387,472,254,253,253,412,403,356,265,818,797,1729,660,1222,1216]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 c6 8. h3 Nbd7 9. Qc2 Re8 10. Nf3 Nf8 11. O-O a6 12. Rab1 Nh5 13. Bxe7 Qxe7 14. b4 Nf6 15. a4 Ng6 {[#]} 16. Rfc1 $146 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} ({Predecessor:} 16. b5 axb5 17. axb5 Bd7 18. bxc6 bxc6 19. Na4 Ne4 20. Nb6 Ra7 21. Bxe4 dxe4 22. Nd2 f5 23. Rbc1 Nh4 24. Nxd7 Rxd7 {½-½ (35) Delvos,T (1977)-Borgs,M (1968) Germany 2015}) 16... Bd7 17. b5 axb5 18. axb5 {White is better.} c5 19. dxc5 Qxc5 20. Na4 Qxc2 21. Bxc2 Ra5 22. Nd4 Ne5 23. Nb6 Be6 24. Bb3 {To avoid Nc4} h5 ({Black should play} 24... Ned7) 25. Rc7 $16 Rb8 26. h4 Ng6 27. Bc2 $36 {[%mdl 2048] White is really pushing.} Nf8 28. Bb3 ({White should try} 28. f4 $16) 28... Ne8 (28... Ng6 $11) 29. Rc5 {White is much more active. Black has bad knights.} Nf6 30. Bxd5 ({Weaker is} 30. Nxd5 Nxd5 31. Rxd5 (31. Bxd5 b6 $17) 31... Bxd5 32. Bxd5 Nd7 $15) 30... Bxd5 31. Nxd5 Nxd5 (31... N8d7 $16 32. Nxf6+ Nxf6) 32. Rxd5 $18 g6 33. Rc1 Ra2 34. Nf3 Rb2 (34... Ne6 $142 35. Rd7 Rb2) 35. Ne5 {Rc7 is the strong threat.} Ra8 36. Nd3 Rd2 37. Nf4 Rb2 (37... Rxd5 $16 38. Nxd5 Ne6) 38. Re5 (38. Rc7 $18 {is more deadly.}) 38... Ra5 $2 {[%mdl 8192]} (38... Nd7 $16 {is more resistant.} 39. Rg5 Nf6) 39. Rc8 Kg7 {[#]} (39... Ra1+ $2 40. Kh2 Kg7 41. Rc7 $18) 40. Ree8 $1 Nh7 41. Rg8+ (41. Rc7 $142 {White wants to mate with Ree7.} Nf8 42. Ree7 (42. Rxb7 Raxb5 43. Ra7 Rb7 $16)) 41... Kh6 42. Rh8 {aiming for Nh3.} Rb1+ $2 (42... Rbxb5 43. Nh3 Kg7 44. Rcg8+ Kf6 45. Rxh7 Rc5) 43. Kh2 Rbxb5 44. Nh3 Kg7 $2 {[#]} (44... b6 45. Ng5 Rxg5) 45. Rcg8+ {White is clearly winning.} Kh6 46. e4 (46. f4 $142 f6 47. Rf8) 46... Re5 47. f4 {Weighted Error Value: White=0.48/Black=0.53} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.15"]
[White "Jimenez Garcia, Emmanuel"]
[Black "Chinchilla Miranda, Eugenio"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2403"]
[BlackElo "2193"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,-16,-6,-33,-36,-39,-33,-66,-47,-46,-45,-66,-47,-40,-43,-39,-37,-43,-38,-37,-28,-22,-6,-13,-13,-22,-25,-22,-22,-25,-41,-41,-31,-59,-24,-33,-28,-42,-42,-40,-8,-25,0,-8,6,6,16,18,15,-15,-25,-27,-37,-37,0,0,2,6,6,6,6,8,3,0,0,0,0,0,0,8,92,102,244,239,787,760,1542,1455,1101,981,2202,1792,2325,2333,1934,1860,1618,1601,2734,2708,2024,1991]} 1. Nf3 d5 2. b3 c5 3. Bb2 f6 4. e3 e5 5. Bb5+ Bd7 6. Bxd7+ {A06: Réti Opening: 1 Nf3 d5.} Qxd7 7. O-O Nc6 8. d3 {Black is slightly better.} Bd6 9. e4 Nge7 {[#]} 10. Nc3 $146 ({Predecessor:} 10. c3 O-O 11. a3 a5 12. Nbd2 d4 13. cxd4 cxd4 14. Nc4 Ra6 {½-½ (14) Movsziszian,K (2439)-Vera Gonzalez Quevedo,R (2490) Albacete 2005}) 10... Bc7 (10... d4 $5 {[%cal Rd4c3]} 11. Nb5 Rd8 $11) 11. exd5 Nxd5 12. Nxd5 Qxd5 13. Nd2 O-O 14. Qg4 Rad8 15. Qc4 Nb4 16. Rfc1 Qxc4 17. bxc4 f5 {[%cal Oe5e4]} 18. a3 Nc6 {[%cal Oe5e4]} 19. Nb3 b6 20. Re1 Rfe8 21. Re2 Kf7 22. Rae1 Re6 23. Nd2 {[%cal Bb3d2,Bd2b1,Bb1a3][%mdl 32]} Rde8 24. f3 a6 25. a4 Bd6 26. Nb1 Nd4 27. Rf2 b5 28. axb5 axb5 29. c3 Nb3 30. Na3 b4 31. Nb5 bxc3 (31... Bb8 {seems wilder.} 32. Rfe2 h5 33. h3 g6 34. h4 Rd8) 32. Bxc3 {[%cal Of3f4]} Nd4 33. Bxd4 exd4 34. Nxd6+ Rxd6 35. Rxe8 Kxe8 $11 {[%mdl 4096] Endgame KR-KR} 36. Re2+ Kd7 $1 37. Re5 {[%csl LRc5,LRf5]} Kc6 38. Kf2 Rf6 39. Re7 g6 (39... Rg6 $11 {remains equal.}) 40. Rxh7 $16 {And now h4 would win.} Re6 {[#] A mistake that costs the game.} (40... Kb6 $16) 41. h4 $1 $18 {[%cal Bh2h4,Bh4h5,Bh5g6][%mdl 32]} Kb6 $2 {[#]} (41... Kd6 42. Kg3 Ke5) 42. Rh6 $1 {h5 is the strong threat. White is clearly winning.} Ka5 43. h5 Kb4 44. hxg6 {aiming for g7.} Re7 45. f4 Kc3 46. Rh3 Kd2 47. Rg3 {Threatens to win with g7.} Rg7 48. Kf1 Kd1 49. Rg5 Kd2 50. g4 {Weighted Error Value: White=0.05 (flawless) /Black=0.21 (precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.16"]
[White "Lopez Gonzalez, Abel Fabian"]
[Black "Avila Rodriguez, Joshua Ad"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2379"]
[BlackElo "2182"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,72,0,0,-10,0,0,0,-20,0,-22,0,0,0,0,0,0,2,11,0,-12,0,0,0,0,0,0,0,-20,0,0,0,0,0,0,54,-92,-66,-90,-80,-177,-167,-166,-146,-221,-184,-199,-184,-358,-177,-177,718,605,493,-177,-87,-29992,29994,-141,-139,-29999,809]} 1. d4 {Huschenbeth,Niclas} Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 O-O 5. Bg2 d5 6. Nf3 dxc4 7. O-O Nc6 8. Qa4 {E20: Nimzo-Indian: 4 g3 and 4 f3.} Nd5 9. Qc2 Be7 10. Rd1 {The position is equal.} Rb8 11. e4 {[#]} Ncb4 12. Qd2 (12. Qb1 Nb6) 12... Nxc3 13. Qxc3 b5 14. b3 Bb7 15. Ne1 cxb3 16. axb3 f5 17. exf5 Bxg2 18. Nxg2 Rxf5 {[#]} 19. Rxa7 $146 ({Predecessor:} 19. Ne3 Nd5 20. Qc2 Nxe3 21. fxe3 Rf7 22. Rxa7 Bd6 23. e4 e5 24. Be3 exd4 25. Bxd4 {0-1 (40) Naiditsch,A (2643)-Huschenbeth,N (2620) Khanty-Mansiysk 2019 CBM 192 [Huschenbeth,Niclas]}) 19... Bd6 20. Qe1 Qd7 21. Qe4 Bc5 22. Rxc7 Qxc7 23. dxc5 Qxc5 (23... Rd5 $11 24. Rf1 (24. Qxe6+ Qf7 $17) 24... Qxc5) 24. Be3 (24. Bf4 $1 $14 {was the only good move.} Rbf8 25. Rc1) 24... Qe7 25. Nf4 {To avoid Rd5} Re8 26. Nxe6 Qxe6 27. Qxb4 Rd5 28. Rc1 (28. Rxd5 $17 {is a better defense.} Qxd5 29. h4) 28... Red8 29. Kg2 h6 ({Stronger than} 29... Rh5 30. h4 $17) 30. Qf4 $2 (30. Rc7) 30... Rd1 ({Avoid the trap} 30... Rh5 $2 31. h4 $19) (30... Rf5 $142 31. Qb4 Rd3) 31. Rxd1 $19 Rd5 {[%mdl 8192]} ({Inferior is} 31... Rxd1 32. Qb8+ Kh7 33. Qxb5 $17) (31... Qc6+ $19 32. Qf3 Qxf3+ 33. Kxf3 Rxd1) 32. Rd2 Rxd2 33. b4 $4 {[%mdl 8192]} (33. Bxd2 $18 Qd5+ 34. Kg1) 33... Rd1 (33... Qc6+ $19 34. Kh3 Rb2) 34. Qg4 $2 {[%mdl 8192] [#]} Rh1 $4 {[%mdl 8192]} 35. Qf3 $2 (35. Qxe6+ {mates} Kh7 36. Kxh1 h5 37. Bd4 g6 38. Qf7+ Kh6 39. Qf8+ Kh7 40. Qh8#) 35... Qc4 $17 {[%csl Gh1][%cal Rc4f1]} 36. Bc5 $2 {[%mdl 8192]} (36. Kh3 $17 Rb1 37. Bc5 Qe6+ 38. Kg2) 36... Rg1+ $4 {[%mdl 40960] Quite a comeback for Black.  Weighted Error Value: White=1.13/Black=0.40. Loss on time!?} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.17"]
[White "Martin Del Campo Cardenas, Roberto Abel"]
[Black "Galaviz Medina, Sion Radamantys"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2250"]
[BlackElo "2374"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,61,46,57,49,53,53,53,53,41,41,64,70,201,193,293,285,404,409,391,378,383,381,697,672,810,670,663,639,1172,623,1141,1118,1460,1199,2136,2097,2760,2566,998,857]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. g4 {[%cal Bg2g4,Bg4g5,Bg5g6,Bg6f7][%mdl 32]} h6 11. Bxf6 Bxf6 12. h4 Qb6 {12...Nb6 injects fresh life into this line.} 13. Nb3 {B99: Sicilian Najdorf: 6 Bg5 e6 7 f4 Be7 8 Qf3 Qc7 9 0-0-0 Nbd7.} Be7 14. Kb1 Nc5 15. g5 {aiming for f5. White is slightly better.} Bd7 16. f5 {fxe6 is the strong threat.} O-O-O 17. g6 $1 {[#]} Bf6 $146 ({Better is} 17... fxg6 $14 18. fxe6 Bc6) ({Predecessor:} 17... fxg6 18. fxe6 Bc6 19. Bh3 Rhf8 20. Qg4 Rf6 21. Nxc5 dxc5 22. h5 g5 23. Rxd8+ Qxd8 {0-1 (29) Obrien,G (1781)-Boni,R (1719) LSS email 2015}) 18. gxf7 $18 Kb8 {[#]} (18... Rhf8 $142 19. fxe6 Bxe6) 19. Bc4 $1 Bxc3 (19... Nxb3 {was called for.} 20. axb3 exf5) 20. Qxc3 {Black must now prevent Nxc5.} ({Not} 20. bxc3 exf5 21. exf5 Bc6 $16) 20... Nxe4 21. Qxg7 exf5 22. Rhg1 Rhf8 $2 (22... Bc8 23. Qxh8 Rxh8) 23. Qxh6 {White is clearly winning.} Qb4 {[#]} 24. Rg8 $1 d5 25. Bxd5 Bc8 26. Rxf8 Rxf8 27. Rg1 {[%cal Bd1g1,Bg1g8,Bg8c8][%mdl 32]} Qe7 28. Rg8 Rxf7 29. Bxf7 {Strongly threatening Be6.} Qxf7 30. Qf4+ Qc7 {[#]} 31. Rxc8+ $1 {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.28 (precise) /Black=0.60} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.18"]
[White "Frey Beckman, Kenneth"]
[Black "Veiga, Jose Francisco R P N"]
[Result "0-1"]
[ECO "E75"]
[WhiteElo "2242"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,68,49,46,40,46,20,23,20,50,41,24,0,0,-21,-30,-44,-30,-55,-49,-51,-56,-80,-77,-76,-86,-100,-111,-181,-181,-177,-172,-366,-351,-433,-433,-422,-417,-399,-388,-755,-509,-1013,-997]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 c5 7. d5 e6 8. O-O exd5 9. exd5 Bg4 10. h3 Bxf3 11. Bxf3 Nbd7 12. Bg5 a6 13. Qd2 Re8 14. a4 Qa5 15. Qc2 {E75: King's Indian: Averbakh Variation: 6...c5 7 d5 e6.} Qc7 16. a5 Rab8 {[#]} 17. Ra3 $146 {White has an edge.} ({Predecessor:} 17. b3 h6 18. Bd2 Nh7 19. g3 h5 20. Ra2 Qd8 21. Bg2 Bd4 22. Bc1 Qe7 23. Ne2 {½-½ (80) Hillarp Persson,T (2536)-Haldorsen,B (2455) Norway 2020}) 17... Re5 18. Bd2 Rbe8 19. Na4 (19. g4 {feels hotter.} R5e7 20. Bg2 Ne5 21. Nd1 Ned7 22. f3) 19... Ne4 20. Bxe4 Rxe4 21. Rb3 f5 22. Nb6 Nf6 {[%cal Bd7f6,Bf6h5,Bh5f4][%mdl 32]} 23. Rd3 Nh5 24. b4 Nf4 25. Bxf4 Rxf4 26. Qa4 Rfe4 27. b5 (27. Rdd1 $17) 27... axb5 $19 28. Qxb5 Qe7 $1 29. Nd7 $2 (29. Rdd1) 29... Bd4 30. Rxd4 ({Stronger than} 30. Qxb7 Rd8 31. Rb3 Rxd7 $19) 30... cxd4 {[%cal Bc5d4,Bd4d3,Bd3d2][%mdl 32]} ({Less strong is} 30... Rxd4 31. Nf6+ $1 {[%mdl 512]} Qxf6 32. Qxe8+ Qf8 33. Qe6+ Kh8 34. Qd7 Rxc4 35. Rb1 $18) 31. c5 d3 32. c6 {[#]} d2 {And now ...Re1 would win.} 33. Qb2 $2 (33. Qd3 bxc6 34. dxc6) 33... bxc6 34. Nf6+ {[#]} (34. dxc6 $142 Re2 35. Qb4) 34... Qxf6 $3 {[%mdl 512] White got outplayed after the opening.  Weighted Error Value: White=0.68/Black=0.13 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "8.19"]
[White "Perez Garcia, Rodney Oscar"]
[Black "Miranda Rodriguez, Tania"]
[Result "1/2-1/2"]
[WhiteElo "2331"]
[BlackElo "2174"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,19,19,19,13]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 a6 6. c3 Ba7 7. Bb3 O-O 8. Re1 {was the old line (8.h3).} d6 9. h3 Be6 10. Nbd2 {[#] An uneventful encounter. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} {Predecessor:} Bxb3 $146 11. axb3 d5 12. Qe2 Re8 13. Nf1 Bc5 14. b4 Bf8 15. Ng3 h6 16. Nf5 Qd7 17. Nh2 Rad8 18. Qf3 Re6 {½-½ (18) Andriasian,Z (2766)-Lysyj,I (2600) Tallinn 2019} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.20"]
[White "Noboa Silva, Kevin"]
[Black "Luna Javier, Edgar Froylan"]
[Result "1-0"]
[ECO "D92"]
[WhiteElo "2331"]
[BlackElo "2148"]
[Annotator "TA"]
[PlyCount "191"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,191,89,92,88,76,90,85,83,77,91,86,91,97,97,90,91,116,116,139,111,110,109,109,99,121,123,121,95,124,125,136,89,132,132,149,143,152,147,162,162,164,145,171,163,200,194,204,181,202,178,207,206,202,197,291,146,152,152,156,126,126,117,113,122,130,118,124,105,105,105,104,104,97,78,155,137,139,126,118,120,152,123,180,180,139,128,139,139,139,127,125,102,137,126,125,125,125,125,208,200,221,207,293,214,208,214,194,179,197,0,269,269,262,262,262,256,264,254,242,174,283,276,269,174,173,173,173,173,173,173,268,173,173,185,173,412,173,262,173,172,1527,1527,1535,1528,1527,1527,1527,1527,1527,1527,1520,1520,1531,1425,29974,29973,29978,29980,29980,29973,29975,29974,29971,29963,29989,29990,29992,29990,29990,29990,29989,0,29990,29989,29990,29991]} 1. d4 {[%cal Bd2d4,Bd4c5][%mdl 32]} Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 c5 6. dxc5 Qa5 7. cxd5 Nxd5 8. Qxd5 Bxc3+ 9. Bd2 Bxd2+ 10. Qxd2 {D92: Grünfeld: 4 Nf3 Bg7 5 Bf4.} Qxc5 {The main line 10...Qxc5 scores better than 10...Qxd2+.} 11. Rc1 Qf5 12. Nd4 {To avoid Nc6. White is better.} Qd7 {[#]} 13. Qh6 $1 Nc6 14. Nxc6 bxc6 15. Qg7 {[%cal Rg7h8] Inhibits Qd4.} Rf8 16. e3 Bb7 17. Be2 {[#] To avoid Qg4} Qe6 $146 ({Predecessor:} 17... h5 18. O-O e6 19. Bf3 Rc8 20. Rfd1 Qe7 21. Qd4 f6 22. Qxa7 Kf7 23. Qb6 Rc7 {1-0 (32) Snajdr,J (2069)-Peniska,P (2044) Klatovy 2005}) 18. O-O ({And not} 18. Qxh7 Qf6 19. Qh6 Qxb2 $11) 18... Qf6 19. Qxf6 ({Not} 19. Qxh7 $2 Rh8 20. Qxh8+ Qxh8 $19) (19. Qh6 {keeps more tension.} O-O-O 20. a4 Kb8 21. a5 Rh8 22. Rc2) 19... exf6 20. Bf3 Rc8 21. b4 Ke7 22. Rc3 Rc7 23. Rfc1 Rfc8 24. h4 (24. Rc5 $142) 24... Kd6 (24... c5 $142) 25. Rc5 $16 Ba8 26. Kh2 {White is much more active.} Rb8 27. a3 Re8 28. Rd1+ Ke7 29. Kg3 Rd8 30. Rdc1 Rd3 31. Ra5 Rd8 32. Rc2 Rdc8 33. Kf4 h5 34. Ra6 Kd7 35. Rc5 Rb8 (35... Rd8 $142 36. b5 Ke7) 36. Ke4 (36. Rca5 $18) 36... Rb6 37. Raa5 Rb5 38. Kd3 Rxc5 39. Rxc5 {[%mdl 4096] Endgame KRB-KRB} Bb7 40. Kd4 Kd6 41. Be2 Rd7 42. Kc3 Re7 43. Bc4 Bc8 44. Ra5 Be6 45. g3 Rd7 (45... Bg4 $142) 46. Ra6 Rc7 47. Kd4 Bc8 48. Ra5 Be6 49. e4 Rd7 (49... Bh3 $16 {is a better defense.} 50. Bd3 Bg4) 50. Kc3 Re7 51. f3 Bh3 52. Kd4 Rd7 53. Ke3 Be6 54. Be2 Re7 55. Bd3 Rb7 56. Ba6 Rc7 57. Kd4 {To avoid c5+} Rd7 (57... Bh3 $16 58. Bd3 Rd7) 58. Bc8 $1 $18 Rc7 59. Bxe6 fxe6 {KR-KR} (59... Kxe6 $142 60. Kc5 Ke5) 60. e5+ fxe5+ 61. Rxe5 Rf7 62. f4 Rf5 63. Rxf5 $2 (63. Ke4 $1 $18) 63... exf5 $4 {[%mdl 8192] KP-KP} (63... gxf5 $11 64. a4 Kd7) 64. Kc4 {Hoping for Kd4.} Kd7 65. Kc5 Kc7 66. b5 cxb5 67. Kxb5 {Intending Kc5 and mate.} Kb7 68. Kc5 Ka6 69. Kd5 Kb5 70. Ke6 a5 71. Kf6 Ka4 72. Kxg6 Kxa3 73. Kxf5 {g4 would kill now. K3P-KPP} Kb3 {[#]} (73... a4 $142 74. Kg6 Kb3) 74. Kg6 $1 a4 75. f5 a3 76. f6 a2 77. f7 a1=Q {( -> ...Qh8)} 78. f8=Q {To avoid Qh8. KQ-KQ} Kc4 $2 (78... Qe5 79. Qf7+ Ka3) 79. Qf4+ Kd5 80. Qf5+ Kc4 81. Kxh5 Qh8+ 82. Kg4 Qg7+ 83. Kh3 {White wants to mate with Qg4+.} Qa1 84. Qe4+ Kc5 85. h5 {[%cal Bh4h5,Bh5h6,Bh6h7][%mdl 32] Threatening mate with h6.} Kd6 86. Kg4 Kd7 87. h6 Qh8 88. Qb7+ Ke6 89. h7 Qd4+ {[#]} 90. Kh3 $1 Kf5 91. Qc8+ Kg5 92. Qg8+ Kf5 93. Qf8+ Kg6 94. Qg8+ Kf5 95. Qf7+ Kg5 96. Qf4+ {Weighted Error Value: White=0.11 (very precise) /Black=0.16 (very precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.21"]
[White "Tapie Amione, Pablo Adib"]
[Black "Perez Rodriguez, Luis Manuel"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2241"]
[BlackElo "2324"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,59,30,22,17,23,15,17,18,11,22,22,10,12,19,15,24,30,16,21,0,0,-22,-23,-79,-11,-20,-20,-20,-6,-37,-35,-76,-82,-76,-85,-75,-73,-69,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. a4 Bb7 9. d3 Re8 10. h3 h6 11. Nc3 {C88: Closed Ruy Lopez: Anti-Marshall Systems.} b4 12. Nd5 Na5 {[#]} 13. Nxf6+ $146 ({Predecessor:} 13. Ba2 Nxd5 14. Bxd5 Bxd5 15. exd5 Bf6 16. Bd2 c6 17. Bxb4 cxd5 18. Nd2 Nc6 19. Ba3 {0-1 (49) Shirov,A (2739)-Adams,M (2729) Moscow 2007}) 13... Bxf6 14. Ba2 d5 15. Bd2 c5 16. Nh2 dxe4 17. dxe4 Bg5 18. Bxg5 Qxg5 ({Much less strong is} 18... Qxd1 19. Raxd1 hxg5 20. Rd7 $16) 19. Bd5 Rad8 {[%cal Ba8d8,Bd8d5,Bd5c5][%mdl 32]} 20. Qf3 Bxd5 21. exd5 {[#]} e4 (21... Qg6 $1 $17 22. Ng4 e4) 22. Rxe4 $11 Rxe4 23. Qxe4 Qxd5 24. Qxd5 Rxd5 {[%mdl 4096] Endgame KRN-KRN} 25. Nf3 {[#]} (25. Nf1 $15 {feels stronger.}) 25... Nc4 $1 $17 26. b3 Na3 27. Rc1 c4 28. bxc4 Rc5 (28... Nxc4 $15 29. Kf1 Nb6) 29. Nd2 $11 Nxc4 30. Nb3 {Weighted Error Value: White=0.06 (flawless) /Black=0.08 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.22"]
[White "Hernandez Jimenez, Alexander Andres"]
[Black "Dominguez Aguilar, Guillermo"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2167"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,119,51,83,58,70,57,68,22,14,11,104,98,101,100,104,94,123,29,27,23,64,52,70,16,5,24,95,-2,-5,-57,-67,-59,-63,-66,-73,-75,-58,-64,-64,-64,-43,-47,-58,-90,-91,-91,-62,-137,-51,-125,-56,-43,-21,-20,-10,-82,-82,-82,-82,-82,0,0,0,0,0,-14,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8. Be2 d6 9. O-O a5 10. Qd2 {White is more active. B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} a4 11. Ndb5 {[#]} Be6 $146 ({Predecessor:} 11... Qa5 12. f3 Be6 13. Rab1 Nd7 14. Rfd1 Rfc8 15. b3 axb3 16. axb3 Nc5 17. Qb2 Qb4 18. Qc2 Qa5 19. Qb2 Qb4 20. Qc2 Qa5 {½-½ (22) Bacrot,E (2715)-Iturrizaga Bonelli,E (2662) Linares 2017}) 12. h3 (12. Rab1 $14 {is more appropriate.}) 12... Na5 $1 $11 13. Na3 Qc8 (13... Rc8 $11) 14. Nd5 Nxe4 15. Nxe7+ Kh8 16. Qc2 ({Stronger than} 16. Nxc8 Nxd2 17. Rfd1 (17. Bxd2 Rfxc8 18. Rab1 Nxc4 $17) 17... Ndxc4 18. Bxc4 Nxc4 19. Nxc4 Raxc8 20. Nxd6 Rc2 $15) 16... Qd7 17. Qxe4 (17. Nd5 $16 Bxd5 18. cxd5) 17... Qxe7 18. Bd4 Rfe8 (18... Nc6 $11 19. Bxg7+ Kxg7) 19. Rfe1 $14 Qg5 20. Bxg7+ (20. h4 $14 Qe7 21. Rad1) 20... Kxg7 $11 21. Qd4+ Kg8 (21... Qf6 $11 {keeps the balance.} 22. Rad1 (22. Qxd6 Qxb2 23. Rab1 Qf6 $11) 22... Qxd4 23. Rxd4 Rec8) 22. Bg4 (22. Nb5 $1 $16) 22... Nc6 23. Qxd6 (23. Qc3 $11) 23... Bxg4 $15 24. hxg4 Qxg4 25. Qg3 Qxg3 26. fxg3 Ne5 27. b3 axb3 28. axb3 Ng4 {Threatens to win with ...Rxe1+.} (28... Nc6 $5 {[%cal Re8e1]} 29. Rxe8+ Rxe8 $17) 29. Rxe8+ Rxe8 {[%mdl 4096] Endgame KRN-KRN} 30. Nc2 Re2 31. Rc1 Kf8 32. b4 (32. c5 $1 $15) 32... Ne5 ({Black should try} 32... Re4 $1 $17 {[%cal Re4c4]} 33. Na3 Re3) 33. Kf1 {[#]} ({White should play} 33. c5 $1 $15) 33... Rd2 (33... Re4 $1 $17 34. Na3 Nd3) 34. Ne3 h5 35. b5 Nd3 36. Rc2 (36. Rd1 $11 {remains equal.} Rxd1+ 37. Nxd1) 36... Rxc2 $17 37. Nxc2 {[#] KN-KN} Ke7 $1 38. Ke2 Nc5 (38... Ne5 $17 39. Ke3 Nxc4+ 40. Kd4 Nb6) 39. Ke3 $11 {The position is equal.} Kd6 40. Nd4 Ne6 {Strongly threatening ...Nxd4.} 41. Nb3 f5 42. Na5 Nc5 43. Kf4 Ke6 44. Kg5 Kf7 {...Kg7 is the strong threat.} (44... b6 $5 45. Nc6 Ne4+ 46. Kxg6 Nd6 $16) 45. Kh6 Kf6 46. b6 Kf7 {aiming for ...Kf6.} 47. Kh7 $1 Kf6 {White must now prevent ...g5.} 48. Kh6 f4 (48... Kf7 $5 49. Kh7 Kf6 50. Kh6 $11) 49. gxf4 h4 50. Kh7 g5 51. fxg5+ Kxg5 52. Kg7 Kg4 {Hoping for ...Kg3.} 53. Kg6 Kf4 54. Kh5 Kg3 55. Kg5 Ne6+ 56. Kh5 Nf4+ 57. Kg5 Ne6+ 58. Kh5 Nc5 59. Nxb7 Nxb7 60. Kg5 {Weighted Error Value: White=0.17 (very precise) /Black=0.18 (very precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.23"]
[White "Perez Gormaz, Matias"]
[Black "Gongora Montes, Benjamin"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2404"]
[BlackElo "2157"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,79,22,26,47,22,25,16,33,23,25,-2,31,38,33,39,57,56,79,58,90,85,102,108,121,114,162,157,250,248,220,240,268,267,250,187,202,202,205,208,198,170,209,120,127,117,133,127,160,152,160,136,191,193,297,297,295,271,353,352,385,375,430,445,773,479,827,764,29978,29976,1585,856]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 h6 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} 7. Nbd2 Bd7 8. Nf1 g6 {The position is equal.} 9. Ng3 Bg7 10. h3 O-O 11. O-O Qe7 12. Re1 Kh7 13. d4 {[%cal Bd3d4,Bd4d5][%mdl 32]} Rad8 {[#]} 14. Bc2 $146 ({Predecessor:} 14. d5 Nb8 15. Bc2 c6 16. c4 Rc8 17. Be3 b5 18. b3 cxd5 19. cxd5 Qd8 20. Qd2 {½-½ (42) Stojanovic,D (2424)-Pajkovic,V (2425) Yugoslavia 2003}) 14... Ng8 15. d5 (15. Qd2 {looks sharper.} Na5 16. b3 b5 17. Bb2 c5 18. d5) 15... Nb8 16. c4 {White is more active.} Kh8 17. Rb1 f5 (17... Rc8 $16 {was necessary.}) 18. exf5 $18 Bxf5 (18... gxf5 $16 19. Nd4 e4) 19. Nxf5 gxf5 {[#]} 20. Nd4 $1 {[%mdl 512]} e4 (20... Qd7 21. Ne6) 21. Ne6 Nd7 22. Qh5 ({But not} 22. Nxf8 Rxf8 23. f3 Qh4) 22... Ne5 23. b3 Rde8 24. Nxf8 Rxf8 25. Bb2 Qd7 26. Bxe5 ({White should play} 26. Kh1 $18) 26... Bxe5 $16 27. Kh1 Qg7 28. Rf1 Rf6 29. f4 Bd4 30. Rbd1 Bc3 (30... Ba7 $16) 31. g4 $18 fxg4 (31... Qf7 $142 32. Qxf7 Rxf7) 32. Bxe4 g3 33. Qg4 Qe7 34. Bb1 Qf7 35. Rf3 ({Don't take} 35. Qxg3 Be5 36. Rde1 Bxf4 $18) 35... Bb2 36. Qxg3 Ne7 (36... Be5 $142 37. Rdf1 Bd4) 37. Re1 {[#] And now Rfe3 would win.} Ng6 (37... Be5 $142 38. Qg4 Qf8) 38. Qf2 Ba3 39. Bxg6 Rxg6 40. b4 {Weighted Error Value: White=0.17 (very precise) /Black=0.55} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.24"]
[White "Zarate Manjarrez, Alfredo"]
[Black "Diaz Rosas, Julio Cesar"]
[Result "0-1"]
[ECO "C26"]
[WhiteElo "2026"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,-1,-6,-21,-23,-24,2,-27,-22,-24,7,0,-9,-17,-16,-63,-59,-58,-41,-52,-49,-47,-40,-47,-29,-50,-29,-39,-22,-46,-43,-60,-10,-33,-28,-33,0,0,0,-50,-50,-57,-50,-79,-54,-116,-116,-100,-33,-116,-100,-143,-137,-167,-73,-83,-77,-83,-85,-72,-61,-61,-74,-63,-63,-77,-87,-149,-125,-327,-339,-364,-342,-490,-483,-628,-509,-690,-651,-2033,-1029,-1625,-1373,-2704,-2477,-29975,-12811,-29985,-29985,-29983,-29970,-29990]} 1. e4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bc5 5. d3 a5 6. h3 {C26: Vienna Game: 2...Nf6, sidelines .} d6 7. Nge2 Be6 {[#]} 8. Be3 $146 {The position is equal.} ({Predecessor:} 8. Nd5 Qd7 9. Bg5 Ng8 10. c3 h6 11. Be3 Bxe3 12. Nxe3 Nge7 13. d4 exd4 14. cxd4 {1-0 (46) Gupta,S (2429)-Villalba,M (2258) Chess.com INT 2020}) 8... Bxe3 9. fxe3 d5 (9... O-O {keeps more tension.} 10. Qd2 Ne7 11. a4 c6 12. d4 Qc7) 10. exd5 Nxd5 11. Nxd5 Bxd5 12. e4 (12. O-O $11 {might be stronger.}) 12... Be6 $15 13. O-O O-O 14. Qd2 Qd6 15. Kh2 Rad8 16. a3 b6 17. Nc3 Ne7 18. Rae1 c6 19. Qe3 b5 20. Qb6 b4 (20... a4 $15) 21. axb4 axb4 22. Na4 $1 Rb8 (22... b3 $5) 23. Qc5 Qc7 24. b3 (24. Qf2 $11) 24... Rb5 $36 {[%mdl 2048] White is under pressure.} 25. Qe3 c5 26. Ra1 Ra5 27. Rac1 (27. h4 $15) 27... Nc6 $17 28. h4 (28. Nxc5 $2 Qb6 29. c3 (29. d4 $2 exd4 30. Nd7 Bxd7 $19) 29... Rxc5 $19) 28... Qd7 (28... Nd4 $17 29. Bh3 Bxh3 30. Kxh3 h6) 29. Nb6 (29. Nxc5 $2 Qa7 30. c4 (30. d4 $2 exd4 31. Qf2 Qxc5 $19) 30... Rxc5 $19) (29. c3 $1 $15) 29... Qd8 30. Nd5 ({White should try} 30. Na4) 30... Nd4 31. c3 Nxb3 (31... bxc3 $19 {is more deadly. And now ...f5 would win.} 32. Nxc3 Qd6) 32. cxb4 cxb4 33. Rb1 Bxd5 34. exd5 {[#]} Ra3 {...Qd6 is the strong threat.} 35. Rf2 (35. Qxe5 $2 Nd2 36. Rxb4 Nxf1+ 37. Bxf1 Ra2+ 38. Rb2 Rxb2+ 39. Qxb2 Qxd5 $19) 35... Qc7 36. Rfb2 Qc3 {Black is more active.} 37. d6 g6 38. Bd5 ({White should play} 38. Rf2) 38... Nd4 39. Qg5 $2 {[#] White does not recover from this.} (39. Rf2 $17 Qxd3 40. Qxd3 Rxd3 41. Rxb4) 39... Qc5 $1 $19 (39... Qxd3 40. d7 h6 41. Qxe5 $15) 40. Bg2 b3 ({Avoid the trap} 40... Rxd3 $2 41. d7 Ne6 42. Qc1 $19) ({But not} 40... Qxd6 $2 41. Rxb4 Rxd3 42. Rb6 $19) 41. h5 (41. Qf6 $142 Ra6 42. Re1) 41... Qxd6 42. hxg6 fxg6 {Hoping for ...Ra2.} 43. Re1 Ra5 44. Re3 Rc5 45. Rd2 Kg7 {White must now prevent ...Rf5.} 46. Qg4 Rc2 47. Qd1 Qb4 48. Rxc2 bxc2 49. Qc1 Qc5 50. Qe1 {Weighted Error Value: White=0.86/Black=0.28 (precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.25"]
[White "Ocampo, Cristina"]
[Black "Gemy, Jose Daniel"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2024"]
[BlackElo "2381"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,76,16,36,6,10,0,0,0,0,0,0,-30,-31,-45,-51,-57,-44,-165,-158,-168,-160,-154,-151,-144,-148,-181,-173,-197,-189,-207,-198,-218,-235,-238,-229,-222,-218,-219,-224,-229,-222,-216,-161,-235,-234,-259,-236,-318,-349,-357,-357,-343,-301,-451,-410,-451,-466,-556,-541,-471,-453,-931,-896]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. O-O {7.a4 is the fancy move.} O-O 8. a4 Bb7 9. c3 {C84: Closed Ruy Lopez: Unusual White 6th moves.} (9. h3 {feels hotter.} d6 10. Bd2 Nd7 11. Nc3 Nc5 12. Bd5) 9... d5 10. exd5 Nxd5 {[%cal Bf6d5,Bd5f4,Bf4e6,Be6d4][%mdl 32] [#]} 11. axb5 $146 {The position is equal.} ({Predecessor:} 11. Re1 Nf6 12. Nxe5 Nxe5 13. Rxe5 Bd6 14. Re1 Nd7 15. Qh5 Nf6 16. Qh4 Be7 17. Bg5 {1-0 (50) Bayona Navarro,I (1875)-Mateus,C (1499) Ocana 2017}) 11... axb5 12. Rxa8 Bxa8 13. Nbd2 {[%cal Bb1d2,Bd2e4,Be4c3,Bc3d5][%mdl 32]} Nf4 14. d4 exd4 15. Ne4 {[%csl LRd4,LRf4]} Ne6 (15... Ng6 {is more complex.} 16. Qd3 dxc3 17. Qxb5 Nb4 18. Rd1 Qc8) 16. Qd3 (16. Bxe6 $15 fxe6 17. cxd4) 16... dxc3 $19 17. Qxd8 Ncxd8 (17... Nexd8 18. Nxc3 b4 19. Nd5 $15) 18. Nxc3 Bxf3 19. gxf3 Nd4 {[%csl LRb3,LRf3]} 20. Bd1 N8e6 21. Be3 b4 22. Nd5 Bd6 23. Bd2 Rb8 24. Re1 Rb5 25. Nf4 Bxf4 26. Bxf4 Rf5 27. Bd2 c5 ({Inferior is} 27... Nxf3+ 28. Bxf3 Rxf3 29. Bxb4 $17) 28. f4 h5 29. Re4 (29. Re5 {was called for.}) 29... g6 30. Kg2 Rd5 {[#] White must now prevent ...Nf5.} 31. Be3 Nf5 {Pair of Knights!} 32. Bb3 Nxe3+ 33. Rxe3 Nxf4+ {KRB-KRN} 34. Kg3 (34. Kf3 $142 Rd4 35. Re4) 34... Rd4 35. Re8+ Kg7 {Black is clearly winning.} 36. Rc8 g5 {[#] ( -> ...Rd3+)} 37. Bc2 {Prevents Rd3+.} c4 {...Nd3 is the strong threat.} 38. Rc5 (38. Kf3 $142 Nd3 39. Bxd3 g4+ 40. Ke3 Rxd3+ 41. Ke2) 38... Ne6 {Black took control after the opening.  Weighted Error Value: White=0.47/Black=0.05 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.26"]
[White "Sandoval Mercado, Carlos"]
[Black "Martin Del Campo C., Jorge"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2289"]
[BlackElo "2019"]
[Annotator "ChessBase"]
[PlyCount "167"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:54]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:08]} 3. Nf3 {[%emt 0:00:06]} d5 {[%emt 0:00:19]} 4. g3 {[%emt 0:00:20]} Be7 {[%emt 0:00:40]} 5. Bg2 {[%emt 0:00:10]} O-O {[%emt 0:00:36]} 6. O-O {[%emt 0:00:08]} dxc4 {[%emt 0:00:15]} 7. Qc2 {[%emt 0:00:26]} a6 {[%emt 0:00:08]} 8. Qxc4 {[%emt 0:01:02]} b5 {[%emt 0:00:08]} 9. Qc2 {[%emt 0:00:04]} Bb7 {[%emt 0:00:04]} 10. Bd2 {[%emt 0:00:12]} Ra7 {[%emt 0:00:28]} 11. Rc1 {[%emt 0:00:15]} Be4 {[%emt 0:00:10]} 12. Qb3 {[%emt 0:00:26]} Nc6 {[%emt 0:00:22]} 13. e3 {[%emt 0:00:36]} Bd5 {[%emt 0:03:06]} 14. Qd1 {[%emt 0:01:27]} Ne4 {[%emt 0:01:10]} 15. Be1 {[%emt 0:11:40]} Qa8 16. Nfd2 {[%emt 0:12:06]} Nb4 {[%emt 0:27:29]} 17. Nxe4 Bxe4 {[%emt 0:01:50]} 18. Bxe4 {[%emt 0:14:27]} Qxe4 {[%emt 0:00:38]} 19. Nd2 {[%emt 0:00:11]} Qg6 {[%emt 0:05:37]} 20. Qb3 {[%emt 0:08:51]} c5 {[%emt 0:02:12]} 21. dxc5 {[%emt 0:07:15]} Nd3 {[%emt 0:02:40]} 22. Rc3 {[%emt 0:00:45]} Nxc5 {[%emt 0:00:15]} 23. Qc2 {[%emt 0:00:04]} Qxc2 {[%emt 0:02:00]} 24. Rxc2 {[%emt 0:00:02]} Nd3 {[%emt 0:00:17]} 25. Nb3 {[%emt 0:02:51]} Bf6 {[%emt 0:02:29]} 26. Rb1 {[%emt 0:00:06]} h6 {[%emt 0:01:00]} 27. Kf1 {[%emt 0:00:09]} e5 {[%emt 0:15:06]} 28. e4 {[%emt 0:08:37]} Be7 {[%emt 0:04:20]} 29. Ke2 {[%emt 0:01:44]} Nxe1 {[%emt 0:01:38]} 30. Rxe1 {[%emt 0:00:07]} a5 {[%emt 0:00:14]} 31. Rd1 {[%emt 0:01:01]} a4 {[%emt 0:00:55]} 32. Nc1 {[%emt 0:00:03]} f6 {[%emt 0:00:41]} 33. h4 {[%emt 0:00:24]} Rb8 {[%emt 0:00:27]} 34. Nd3 {[%emt 0:00:28]} Kf7 {[%emt 0:02:23]} 35. Rdc1 {[%emt 0:02:11]} Rbb7 {[%emt 0:00:52]} 36. h5 {[%emt 0:07:32]} Rd7 {[%emt 0:00:50]} 37. f3 {[%emt 0:01:34]} Ke8 {[%emt 0:01:17]} 38. Rc8+ {[%emt 0:01:25]} Rd8 {[%emt 0:00:16]} 39. R1c7 {[%emt 0:05:46]} Rxc7 {[%emt 0:00:26]} 40. Rxc7 {[%emt 0:00:05]} Rd7 {[%emt 0:00:13]} 41. Rc6 {[%emt 0:00:24]} Rb7 {[%emt 0:00:32]} 42. Nf2 {[%emt 0:05:13]} Kd7 {[%emt 0:00:13]} 43. Rc2 {[%emt 0:00:07]} Rc7 {[%emt 0:00:56]} 44. Rxc7+ {[%emt 0:00:07]} Kxc7 {[%emt 0:00:12]} 45. Nd1 {[%emt 0:04:17]} Kc6 {[%emt 0:00:18]} 46. Ne3 {[%emt 0:01:47]} Bf8 {[%emt 0:01:37]} 47. Kd3 {[%emt 0:00:08]} Kc5 {[%emt 0:02:02]} 48. Kc3 {[%emt 0:00:13]} Bd6 {[%emt 0:01:21]} 49. Nf5 {[%emt 0:00:45]} Bf8 {[%emt 0:00:09]} 50. Nh4 {[%emt 0:00:22]} Kc6 {[%emt 0:00:37]} 51. Kd3 {[%emt 0:00:23]} Bc5 {[%emt 0:01:15]} 52. Nf5 {[%emt 0:00:16]} Bf8 {[%emt 0:00:08]} 53. Ne3 {[%emt 0:00:08]} Kc5 {[%emt 0:00:28]} 54. Nd5 {[%emt 0:00:15]} Bd6 {[%emt 0:00:19]} 55. Kc3 {[%emt 0:00:06]} Kc6 {[%emt 0:00:42]} 56. Kd3 {[%emt 0:00:20]} Kc5 {[%emt 0:00:20]} 57. Ne3 {[%emt 0:02:35]} Be7 {[%emt 0:00:27]} 58. Nf5 {[%emt 0:00:12]} Bf8 {[%emt 0:00:07]} 59. f4 {[%emt 0:00:04]} Kc6 {[%emt 0:01:09]} 60. Ke3 {[%emt 0:00:30]} Kd7 {[%emt 0:00:13]} 61. Kf3 {[%emt 0:01:08]} Ke6 {[%emt 0:00:36]} 62. Ne3 {[%emt 0:00:04]} Kd6 {[%emt 0:00:47]} 63. Nd5 {[%emt 0:05:29]} f5 {[%emt 0:06:19]} 64. Nc3 {[%emt 0:00:04]} fxe4+ {[%emt 0:01:44]} 65. Nxe4+ {[%emt 0:00:22]} Kd5 {[%emt 0:00:43]} 66. Nc3+ {[%emt 0:02:33]} Kc4 {[%emt 0:00:09]} 67. fxe5 {[%emt 0:00:06]} a3 {[%emt 0:02:19]} 68. Nd1 {[%emt 0:00:01]} axb2 {[%emt 0:00:31]} 69. Nxb2+ {[%emt 0:00:01]} Kc3 {[%emt 0:01:33]} 70. a4 {[%emt 0:02:06]} bxa4 {[%emt 0:10:45]} 71. Nxa4+ {[%emt 0:00:01]} Kd4 {[%emt 0:00:08]} 72. Kf4 {[%emt 0:00:02]} Be7 {[%emt 0:01:23]} 73. Kf5 {[%emt 0:00:29]} Bd8 {[%emt 0:00:21]} 74. Nb2 {[%emt 0:01:20]} Bc7 {[%emt 0:00:25]} 75. e6 {[%emt 0:00:17]} Bd6 {[%emt 0:00:09]} 76. Kg6 {[%emt 0:00:42]} Ba3 {[%emt 0:02:10]} 77. Kxg7 {[%emt 0:00:40]} Ke4 {[%emt 0:00:31]} 78. Nc4 {[%emt 0:00:27]} Bc5 {[%emt 0:00:16]} 79. Kf7 {[%emt 0:00:35]} Kf3 {[%emt 0:00:13]} 80. Nd2+ {[%emt 0:00:12]} Kg4 {[%emt 0:00:08]} 81. Ne4 {[%emt 0:00:05]} Bb4 {[%emt 0:00:12]} 82. Nf6+ {[%emt 0:01:06]} Kxg3 {[%emt 0:01:00]} 83. Kg6 {[%emt 0:00:34]} Ba3 {[%emt 0:01:15]} 84. Nd5 {[%emt 0:00:09]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.27"]
[White "Jorajuria Mendoza, Algol"]
[Black "Medina Diaz, Rafael Alejandro"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2006"]
[BlackElo "2287"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,76,14,37,0,60,33,20,36,42,24,115,122,122,129,135,17,43,-1,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4 g6 9. h4 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4.} h6 ({Black should try} 9... h5 $1 $11 10. Qf4 Nd7) 10. Bd3 {Strongly threatening h5.} (10. h5 $5 {[%cal Rh5g6]} g5 11. f4 $14) 10... Nc6 (10... c4 $2 {[#]} 11. Bxg6 $1 {[%mdl 512]} Ne7 12. Bh5 $16 (12. Bxf7+ Kxf7 13. Qh5+ Ng6 $16)) 11. Nf3 {[%cal Oc3c4]} Nge7 12. c4 cxd4 (12... b6 $11 {keeps the balance.}) 13. cxd5 $16 exd5 14. Qf4 Bf5 {[#]} 15. g4 $146 (15. O-O $16) ({Predecessor:} 15. O-O Bxd3 16. cxd3 Qa6 17. e6 fxe6 18. Qf6 O-O-O 19. Bf4 Qxd3 20. Rfc1 Qf5 21. Qxe7 {1-0 (51) Kurnosov,I (2538)-Rustemov,A (2598) Moscow 2005}) 15... Be4 16. Bxe4 (16. O-O $1 $14 {is superior.}) 16... dxe4 $11 {The position is equal.} 17. Qxe4 Qc4 18. c3 $1 Rd8 19. cxd4 Nxd4 {[#] Threatens to win with ...Nc2+.} 20. Rc1 {Inhibits Nc2+.} Nxf3+ 21. Qxf3 Qd5 22. Qxd5 {Active counter play!} Rxd5 23. Rc7 Rd7 ({But not} 23... Rxe5+ 24. Kf1 Rd5 25. Bc3 $14) 24. Rxd7 Kxd7 {[%mdl 4096] Endgame KRB-KRN} 25. h5 g5 $1 26. f4 gxf4 27. Bxf4 Nd5 28. Bc1 Ke6 29. Kf2 b5 30. Rh3 a5 31. Rb3 b4 32. axb4 axb4 33. Kf3 Rh7 34. Bd2 Kxe5 35. Bxb4 f5 36. Bc3+ Ke6 37. Ra3 fxg4+ 38. Kxg4 Nxc3 {Weighted Error Value: White=0.13 (very precise) /Black=0.13 (very precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.28"]
[White "Montes Orozco, Miguel Angel"]
[Black "Miranda Llanes, Yerisbel"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "1914"]
[BlackElo "2261"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,75,17,21,21,43,31,4,20,10,9,0,0,0,18,-30,-24,-36,-36,-36,-33,-40,-40,-43,-31,-47,-34,-29,-23,0,0,-7,-8,-12,-11,-25,-20,-26,-21,-29,0,0,0,-10,-24,-17,22,20,20,20,35,57,42,0,68,29,25,35,37,47,39,38,192,189,152,76]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bh4 O-O {7...Bf5 is setting a new trend. D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 8. e3 c6 9. Be2 {[#]} Qe7 $146 {The position is equal.} ({Predecessor:} 9... g5 10. Bg3 Ne4 11. Qb3 Qb6 12. Rc1 Be6 13. Bxb8 Raxb8 14. O-O g4 15. Na4 Qa5 {0-1 (49) Martinez,J-Chang,S (2140) Sao Paulo 2003}) 10. Rc1 Bf5 11. Ne5 g5 12. Bg3 Ne4 13. Qb3 (13. O-O $142) 13... a5 $11 14. Nd3 ({But not} 14. O-O Nd2 15. Qd1 Nxf1 16. Bxf1 f6 $17) 14... Nxc3 15. bxc3 Ba3 {[#] ...Bxd3 is the strong threat.} 16. Rb1 b5 17. h4 Nd7 18. Qd1 Qe4 19. Kf1 f6 20. Rb3 Be7 21. Ne1 a4 22. Rb2 Kg7 23. Bd3 Qe6 24. Qb1 Bxd3+ 25. Nxd3 Rh8 26. f3 Nb6 (26... Qxe3 $2 27. Re2 Qxe2+ 28. Kxe2 $18) 27. Re2 $1 Nc4 28. Kf2 Bd6 29. Bxd6 Nxd6 30. Nc5 Qf7 31. e4 Rae8 32. Qd3 (32. Qe1 $14 {is superior.}) 32... Nc4 (32... dxe4 $11 33. Nxe4 Nxe4+ 34. fxe4 Rhf8) 33. hxg5 hxg5 34. Rxh8 Kxh8 35. exd5 cxd5 36. Qf5 {Hoping for Rxe8+.} Nd6 ({Black should play} 36... Rxe2+ $14 37. Kxe2 Kg8) 37. Rxe8+ $18 Nxe8 {[#]} 38. Qh3+ {Weighted Error Value: White=0.07 (flawless) /Black=0.19 (very precise)} (38. Qc8 $142 $1) 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.29"]
[White "Estrada Nieto, Julian"]
[Black "Flores Irurso, Paul Josue"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2253"]
[BlackElo "1912"]
[Annotator "ChessBase"]
[PlyCount "183"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:04]} a6 {[%emt 0:01:28]} 3. c4 {[%emt 0:00:46]} e6 {[%emt 0:00:18]} 4. Nc3 {[%emt 0:00:51]} Nc6 {[%emt 0:02:38]} 5. Be2 {[%emt 0:03:47]} Nf6 {[%emt 0:02:21]} 6. O-O {[%emt 0:01:17]} Qc7 {[%emt 0:02:13]} 7. d4 {[%emt 0:01:56]} Ng4 {[%emt 0:09:50]} 8. g3 {[%emt 0:00:55]} cxd4 {[%emt 0:13:16]} 9. Nxd4 {[%emt 0:00:04]} Nge5 {[%emt 0:00:13]} 10. Be3 {[%emt 0:05:14]} Be7 {[%emt 0:05:22]} 11. Rc1 {[%emt 0:05:23]} O-O {[%emt 0:01:36]} 12. f4 {[%emt 0:07:22]} Nxd4 {[%emt 0:02:03]} 13. Qxd4 {[%emt 0:00:15]} Nc6 {[%emt 0:00:16]} 14. Qb6 {[%emt 0:00:53]} Qxb6 {[%emt 0:02:48]} 15. Bxb6 {[%emt 0:00:03]} d6 {[%emt 0:00:35]} 16. Rcd1 {[%emt 0:04:09]} e5 {[%emt 0:13:18]} 17. Nd5 {[%emt 0:17:21]} Bd8 {[%emt 0:00:31]} 18. f5 {[%emt 0:05:57]} Rb8 {[%emt 0:04:32]} 19. Be3 {[%emt 0:01:41]} b5 {[%emt 0:02:00]} 20. cxb5 {[%emt 0:03:22]} axb5 {[%emt 0:00:07]} 21. Rc1 {[%emt 0:00:14]} Bd7 {[%emt 0:01:15]} 22. Rfd1 {[%emt 0:01:27]} Ne7 {[%emt 0:03:32]} 23. Nb4 {[%emt 0:01:06]} Bb6 {[%emt 0:01:16]} 24. Bxb6 {[%emt 0:03:05]} Rxb6 {[%emt 0:00:10]} 25. Rc7 {[%emt 0:00:37]} Rd8 {[%emt 0:01:55]} 26. g4 {[%emt 0:01:01]} Kf8 {[%emt 0:01:04]} 27. a3 {[%emt 0:03:44]} Bc6 {[%emt 0:00:42]} 28. Bf3 {[%emt 0:02:48]} Ba8 {[%emt 0:06:19]} 29. Rdc1 {[%emt 0:06:50]} Rbb8 {[%emt 0:02:32]} 30. Kf2 {[%emt 0:03:18]} Rbc8 {[%emt 0:04:42]} 31. Ke3 {[%emt 0:07:12]} Rxc7 {[%emt 0:00:38]} 32. Rxc7 {[%emt 0:00:01]} Rc8 {[%emt 0:00:07]} 33. Rd7 {[%emt 0:01:52]} Nc6 {[%emt 0:05:03]} 34. Nxc6 {[%emt 0:00:15]} Bxc6 {[%emt 0:00:03]} 35. Rxd6 {[%emt 0:00:05]} Ke7 {[%emt 0:00:03]} 36. Rd2 {[%emt 0:00:23]} Bd7 {[%emt 0:00:41]} 37. Be2 {[%emt 0:00:21]} f6 {[%emt 0:01:19]} 38. Rd5 {[%emt 0:01:34]} Rb8 {[%emt 0:00:08]} 39. Rd3 {[%emt 0:01:42]} Bc6 {[%emt 0:01:36]} 40. Rc3 {[%emt 0:01:05]} Kd6 {[%emt 0:00:43]} 41. b4 {[%emt 0:00:08]} Ra8 {[%emt 0:00:47]} 42. Bd3 {[%emt 0:00:18]} Rh8 {[%emt 0:01:01]} 43. Be2 {[%emt 0:00:56]} Ra8 {[%emt 0:00:09]} 44. h4 {[%emt 0:00:23]} h6 {[%emt 0:00:05]} 45. Bd3 {[%emt 0:01:15]} Ra7 {[%emt 0:01:12]} 46. Bb1 {[%emt 0:00:48]} Ra8 {[%emt 0:02:41]} 47. Ba2 {[%emt 0:00:20]} Rc8 {[%emt 0:02:36]} 48. Rc5 {[%emt 0:03:36]} Rc7 {[%emt 0:02:34]} 49. Bd5 {[%emt 0:02:08]} Bd7 {[%emt 0:00:13]} 50. Rxc7 {[%emt 0:00:21]} Kxc7 {[%emt 0:00:05]} 51. g5 {[%emt 0:00:54]} hxg5 {[%emt 0:00:13]} 52. hxg5 {[%emt 0:00:06]} Kd6 {[%emt 0:00:07]} 53. gxf6 {[%emt 0:00:25]} gxf6 {[%emt 0:00:06]} 54. Bb3 {[%emt 0:00:11]} Be8 {[%emt 0:00:15]} 55. Bd1 {[%emt 0:00:39]} Bc6 {[%emt 0:00:24]} 56. Bc2 {[%emt 0:00:53]} Be8 {[%emt 0:00:19]} 57. Bd3 {[%emt 0:00:39]} Bc6 {[%emt 0:00:10]} 58. Kf3 {[%emt 0:00:06]} Be8 {[%emt 0:00:11]} 59. Kg4 {[%emt 0:00:05]} Ke7 {[%emt 0:00:09]} 60. Kh4 {[%emt 0:00:20]} Kd6 {[%emt 0:00:15]} 61. Be2 {[%emt 0:00:26]} Ke7 {[%emt 0:00:22]} 62. Bh5 {[%emt 0:00:31]} Bc6 {[%emt 0:00:05]} 63. Bf3 {[%emt 0:00:07]} Be8 {[%emt 0:00:06]} 64. Be2 {[%emt 0:00:28]} Kd6 {[%emt 0:01:20]} 65. Bd3 {[%emt 0:00:11]} Ke7 {[%emt 0:00:09]} 66. Kg3 {[%emt 0:00:05]} Kd6 {[%emt 0:00:13]} 67. Kf2 {[%emt 0:00:04]} Bc6 {[%emt 0:00:17]} 68. Ke3 {[%emt 0:00:04]} Ke7 {[%emt 0:00:20]} 69. Kd2 {[%emt 0:00:06]} Bd7 {[%emt 0:00:35]} 70. Kc3 {[%emt 0:00:03]} Kd6 {[%emt 0:00:16]} 71. Bb1 {[%emt 0:00:21]} Be8 {[%emt 0:00:17]} 72. Ba2 {[%emt 0:00:32]} Bc6 {[%emt 0:00:20]} 73. Kd3 {[%emt 0:00:10]} Be8 {[%emt 0:00:10]} 74. Bb3 {[%emt 0:00:48]} Ke7 {[%emt 0:00:25]} 75. Kc3 {[%emt 0:00:16]} Kd6 {[%emt 0:00:15]} 76. Bc2 {[%emt 0:00:18]} Bd7 {[%emt 0:00:21]} 77. Kb2 {[%emt 0:04:28]} Ke7 {[%emt 0:01:39]} 78. a4 {[%emt 0:01:21]} bxa4 {[%emt 0:00:08]} 79. Ka3 {[%emt 0:00:04]} Bc6 {[%emt 0:00:07]} 80. Bd3 {[%emt 0:00:09]} Kd6 {[%emt 0:01:20]} 81. b5 {[%emt 0:00:09]} Bd7 {[%emt 0:01:24]} 82. Kxa4 {[%emt 0:00:08]} Kc5 {[%emt 0:00:11]} 83. Ka5 {[%emt 0:00:18]} Bc8 {[%emt 0:00:10]} 84. b6 {[%emt 0:01:14]} Bb7 {[%emt 0:00:13]} 85. Bb1 {[%emt 0:01:18]} Bc8 {[%emt 0:03:17]} 86. Ba2 {[%emt 0:00:15]} Bb7 {[%emt 0:00:07]} 87. Bd5 {[%emt 0:01:17]} Bxd5 {[%emt 0:02:54]} 88. exd5 {[%emt 0:00:02]} Kxd5 {[%emt 0:00:10]} 89. b7 {[%emt 0:00:14]} Ke4 {[%emt 0:00:03]} 90. b8=Q {[%emt 0:00:11]} Kxf5 {[%emt 0:00:03]} 91. Kb4 {[%emt 0:00:06]} Kf4 {[%emt 0:00:11]} 92. Kc3 {[%emt 0:00:07]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.30"]
[White "Francisco Cruz, Yahir Alberto"]
[Black "Blanco Fernandez, Alvaro"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1949"]
[BlackElo "2216"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,5,18,10,33,0,46,11,5,4,52,16,44,33,107,0,16,11,5,10,41,17,57,11,98,0,75,77,139,164,475,479,470,464,530,514,500,345,328,329,364,359,358,341,339,211,200,191,191,0,0,0,0,0,0,0,0,-8,-8,-8,0,0,0,0,0,0,0,-27,-19,-26,-22,-40,0,0,0,0,0,0,0,0,0,-8,0,0,0,-8,0,0,0,0]} 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. d4 Bb4+ 5. Bd2 a5 6. a3 {E01: Catalan: Early deviations.} Bd6 7. Nc3 {[%cal Rc4d5]} c6 {[#]} (7... O-O $11) 8. c5 $146 {White is slightly better.} ({Predecessor:} 8. Qc2 b6 9. Nf3 Ba6 10. cxd5 cxd5 11. O-O Nbd7 12. Rfc1 Rc8 13. Qa4 O-O 14. Nb5 {0-1 (66) Korenova,M (2190)-Voiska,M (2350) Moscow 1994}) 8... Bc7 9. f4 h5 (9... b6 $11 {should be considered.}) 10. b4 b6 11. Nf3 h4 ({Better is} 11... Ba6 $14) 12. Ne5 ({Much worse is} 12. gxh4 $6 Ba6 $14) (12. Nxh4 $16 Ba6 13. Nf3) 12... hxg3 13. hxg3 Rxh1+ 14. Bxh1 Ke7 15. Be3 Qh8 16. Kd2 (16. Bf3 $1 $14) 16... Qh3 (16... axb4 $11 {remains equal.} 17. axb4 Rxa1 18. Qxa1 Nfd7) 17. Qg1 (17. cxb6 $16 Bxb6 18. Bf3) 17... Bb7 (17... axb4 $11 18. axb4 Rxa1 19. Qxa1 b5) 18. Bf3 {White is more active.} Nbd7 (18... axb4 $2 19. axb4 Qh8 20. Rxa8 Bxa8 21. Qa1 $18) ({Black should try} 18... b5) 19. b5 $1 $16 Nxe5 (19... Bxe5 {is a better chance.} 20. dxe5 Ng4) 20. dxe5 $18 Nd7 21. cxb6 Bd8 22. Bc5+ Ke8 23. Qf2 Nxc5 24. Qxc5 Be7 25. Qf2 c5 26. Rh1 Qf5 27. Rh8+ Kd7 {[%cal Be8d7,Bd7c8,Bc8b7,Bb7a7][%mdl 32]} 28. Rxa8 {Dancing on a razor blade.} Bxa8 29. Na4 $2 (29. Qh2 $1 $18 {[%cal Rh2h8]} Bf8 30. Qh1) 29... Qb1 $36 {[%mdl 2048] Black fights for an advantage.} 30. Nxc5+ Kc8 31. Nd3 {To avoid Qb2+} Qxb5 32. Qd4 Kb7 33. e4 {[%cal Re4d5]} Qxb6 34. Qa4 Ka7 {Strongly threatening ...Bc6.} 35. exd5 exd5 36. Qe8 Qc7 37. Qa4 (37. Qxf7 $2 Bb4+ $1 {[%mdl 512]} 38. axb4 Qxf7 $19) 37... Bc6 38. Qc2 {[%cal Of3d5] And now Bxd5! would win.} (38. Qb3 $5 {[%cal Rf3d5]}) 38... Qb6 (38... Bxa3 $2 {[#]} 39. Bxd5 $1 {[%mdl 512]} Kb6 40. Qb3+ Bb4+ 41. Nxb4 axb4 42. Qxb4+ Bb5 43. Qd4+ Ka6 44. f5 $18) 39. Qc3 Bb7 40. Be2 d4 41. Qc4 {The position is equal.} Bxa3 42. Qxf7 Bb4+ {A strong pair of Bishops.} 43. Kd1 (43. Nxb4 $2 Qxb4+ 44. Kd1 Qb1+ 45. Kd2 Qb2+ 46. Ke1 (46. Kd1 $2 Qa1+ 47. Kd2 Qc3+ 48. Kd1 d3 $19) 46... Qc3+ 47. Kf2 Qe3+ 48. Ke1 Qxg3+ 49. Kd1 d3 $19) 43... Ba3 {Threatens to win with ...Qb1+.} 44. Qa2 {Prevents Qb1+.} ({But not} 44. Qxg7 $2 Qb1+ 45. Kd2 Bb4+ 46. Nxb4 Qxb4+ 47. Kd1 Qb3+ 48. Ke1 Qc3+ 49. Kf2 Qe3+ 50. Kf1 d3 51. Bxd3 Qxd3+ 52. Kf2 Qf3+ 53. Ke1 Qc3+ 54. Kf1 a4 $19) 44... Be7 45. Nb2 Bb4 46. Nd3 Be7 47. Nb2 Qb4 48. Nd3 Qb6 49. Nb2 {Black escapes into a draw.  Weighted Error Value: White=0.27 (precise) /Black=0.24 (precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.31"]
[White "Zacarias Rodriguez, Santiago"]
[Black "Zacarias, M Ruben D"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1896"]
[BlackElo "2174"]
[Annotator "RC"]
[PlyCount "51"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:31:00]} c5 {[%emt 0:00:08]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:00]} a6 {[%emt 0:00:10]} 6. Be2 {[%emt 0:00:00]} e5 {[%emt 0:00:09]} 7. Nb3 {[%emt 0:00:00]} Be7 {[%emt 0:00:07]} 8. Bg5 {[%emt 0:00:00]} Nbd7 {[%emt 0:01:25]} 9. a4 {[%emt 0:00:00]} b6 {[%emt 0:00:08]} 10. Bc4 {[%emt 0:00:00]} Bb7 {[%emt 0:00:06]} 11. Qe2 {[%emt 0:00:00]} O-O {[%emt 0:00:28]} 12. O-O {[%emt 0:00:00]} Qc7 {[%emt 0:01:09]} 13. Nd2 {[%emt 0:00:00]} Rfc8 {[%emt 0:02:11]} 14. Bb3 {[%emt 0:00:00]} Qd8 {[%emt 0:03:07]} 15. Rfd1 {[%emt 0:00:00]} Rc5 {[%emt 0:08:47]} 16. Nc4 {[%emt 0:00:00]} Qc7 {[%emt 0:05:47]} 17. Be3 {[%emt 0:00:00]} Rc6 {[%emt 0:00:05]} 18. Nd5 {[%emt 0:00:00]} Qd8 {[%emt 0:00:06]} 19. Nxf6+ {[%emt 0:00:00]} gxf6 {[%emt 0:01:47]} 20. Qg4+ {[%emt 0:00:00]} Kh8 {[%emt 0:00:34]} 21. Bh6 {[%emt 0:00:00]} Bf8 {[%emt 0:00:17]} 22. Nxd6 {[%emt 0:00:00]} Rxd6 {[%emt 0:04:20]} 23. Rxd6 {[%emt 0:00:00]} Bxh6 {[%emt 0:03:28]} 24. Rxd7 {[%emt 0:00:00]} Qc8 {[%emt 0:00:29]} 25. Qf5 {[%emt 0:00:00]} Bg7 {[%emt 0:07:13]} 26. Rxb7 {[%emt 0:00:00]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.32"]
[White "Real Pereyra, Jeronimo"]
[Black "Nava Ruiz, Miguel Angel"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2147"]
[BlackElo "1696"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,73,25,0,36,0,2,2,0,0,0,0,0,-41,75,60,79,74,73,86,81,50,122,62,127,82,162,164,150,166,158,121,114,79,100,92,91,92,105,62,39,7,156,157,223,224,273,231,229,158,223,225,352,370,410,420,416,410,379,392,435,421,485,480,440,393]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Bd7 6. h5 e6 {B12: Caro-Kann: Advance Variation.} (6... c5 $5) 7. Bd3 c5 8. dxc5 Bxc5 {The position is equal.} 9. Nf3 Nc6 10. c3 {[#]} Qc7 $146 ({Predecessor:} 10... a5 11. Nbd2 a4 12. a3 Qc7 13. Qe2 Nge7 14. Kf1 Ba7 15. Bc2 Bb8 16. Nb1 Na5 {1-0 (51) Szentgyorgyi,S (1862)-Kalmar,K (2023) Budapest 2011}) 11. Bf4 {[#]} (11. Qe2 $1 $11 {feels stronger.}) 11... O-O-O (11... Nf6 $1 $15 {keeps the upper hand.} 12. Qe2 (12. exf6 $2 Qxf4 13. fxg7 Rg8 $19) 12... Nxg4) 12. Bg3 a5 {To avoid b4} 13. a3 Nge7 14. b4 Bb6 15. Nbd2 Na7 ({Better is} 15... Kb8 $14) 16. a4 ({White should try} 16. c4 $16) 16... Kb8 {[#]} (16... d4 $1 $14) 17. Rc1 $1 $16 Qc6 (17... Nac8 $16) 18. b5 $18 Qc5 19. Nb3 Qa3 20. Ra1 Qb2 21. Qc2 $36 {[%mdl 2048] Black is under strong pressure.} Qxc2 22. Bxc2 Rc8 23. Kd2 Rc4 24. Nfd4 (24. Bd3 $16) 24... Rhc8 $14 25. Bh4 Ng8 (25... g5 $11 26. hxg6 Nxg6) 26. Rh3 $16 {White is more active.} Re8 (26... f6 $16 {keeps fighting.} 27. f4 fxe5 28. fxe5 Nxb5 29. Nxb5 Bxb5) 27. Bd3 $18 Rc7 28. f4 Nc8 29. Re1 Nce7 (29... Nge7 $16 30. Rb1 Bxd4 31. cxd4 (31. Nxd4 Nb6 $14) 31... Nb6) 30. Bf2 Ka7 {[#]} (30... Rc4 $142) 31. Nxa5 $1 {[%mdl 512]} Rxc3 (31... Rec8 32. Nab3) 32. Kxc3 Bxa5+ 33. Kb3 {And now Nc6+ would win.} Bxe1 34. Bxe1 f6 35. a5 {White is clearly winning.} fxe5 36. fxe5 {Strongly threatening Rf3.} Rf8 37. Rf3 {Weighted Error Value: White=0.15 (very precise) /Black=0.40} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.33"]
[White "Paredes Guzman, Francisco Javier"]
[Black "Davalos Prieto, Abel Justo"]
[Result "1/2-1/2"]
[ECO "D59"]
[WhiteElo "1891"]
[BlackElo "2103"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,148,-15,0,-18,24,-19,22,-24,-41,-30,-20,-29,-27,-31,-28,-27,-9,-20,-14,-15,0,-43,-52,-75,-67,-104,-120,-116,-106,-111,-70,-101,-121,-122,-95,-147,-136,-137,28,29,14,15,56,48,212,229,208,141,206,228,377,377,345,83,100,86,79,47,47,36,36,35,35,35,36,35,46,10,11,10,11,12,22,25,29,27,33,33,37,10,10,10,10,10,67,11,11,10,10,10,22,22,31,3,10,0,0,0,13,11,17,11,14,3,42,42,42,42,42,42,42,42,42,9,12,0,0,5,14,9,13,0,7,3,16,16,35,10,30,0,0,0,25]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. cxd5 {8.Be2 is the hot move.} Nxd5 9. Bg3 Bb7 10. Bc4 {D59: Queen's Gambit Declined: Tartakower Defence: Main line (8 cxd5 Nxd5).} c5 (10... Nd7 $142) 11. O-O {[#]} (11. Bxd5 {is more appropriate.} Bxd5 12. dxc5 (12. Nxd5 exd5 13. Rc1 Nc6 $11)) 11... cxd4 $146 (11... Nxc3 $142 12. bxc3 Nd7) ({Predecessor:} 11... Nxc3 12. bxc3 Nd7 13. Qe2 Nf6 14. Nd2 cxd4 15. cxd4 Bd6 16. a4 Bxg3 17. hxg3 Rc8 18. a5 bxa5 19. Nb3 Ne4 20. Nxa5 {½-½ (69) Naranja,R-Reyes,R Manila 1967}) 12. exd4 (12. Nxd4 Nxc3 13. bxc3 Qc8 $15) (12. Bxd5 $142 Bxd5 13. Nxd4 (13. Nxd5 Qxd5 14. Qxd4 Qxd4 $11)) 12... Nxc3 $11 13. bxc3 Nd7 14. Rc1 Rc8 15. Bd3 Nf6 16. Qe2 {To avoid Ne4} Re8 17. Rfd1 Qd5 18. Be5 Nd7 19. Bb5 (19. c4 $11 Qc6 20. Bg3) 19... Red8 $15 (19... Nxe5 20. dxe5 Qc5 21. Bxe8 Rxe8 22. Rd7 $16) 20. Bg3 Ba3 21. c4 Qe4 22. Qxe4 Bxe4 23. Rc3 Bb4 (23... Bb2 $17 24. Rb3 Bc2 $1 25. Rxb2 Bxd1) 24. Re3 Bb7 25. d5 Nc5 {Hoping for ...a6.} 26. Rb1 (26. Bh4 $142 g5 27. Nxg5 hxg5 28. Bxg5) 26... Ba5 $17 27. Nd4 a6 $2 (27... exd5 $17 {aiming for ...a6.} 28. cxd5 Rxd5) 28. Bc6 $36 {[%mdl 2048] White is pushing.} exd5 29. cxd5 (29. Bxb7 Nxb7 30. Nf5 Rxc4 $17) 29... Kf8 (29... Bxc6 $2 30. Nxc6 f6 31. Nxd8 Rxd8 32. d6 $18) (29... Bd2 $11 {was preferrable.}) 30. h4 $14 ({Reject} 30. Bxb7 Nxb7 31. Nc6 Rxd5 32. Nxa5 (32. Ne7 Rb5 $17) 32... Nxa5 $17) 30... Rxd5 $2 ({Weaker is} 30... Bxc6 31. Nxc6 Rd7 32. Nxa5 bxa5 33. Rc1 Rxd5 34. Re5 Rxe5 35. Bxe5 $18) ({Better is} 30... Bd2 $14) 31. Bxd5 $18 Bxd5 32. Bd6+ Kg8 {[#]} 33. Nf5 $1 {Black must now prevent Ne7+.} Rd8 (33... Kh7 {was called for.} 34. Ne7 Rd8) 34. Bxc5 bxc5 35. Rd1 $2 (35. Rd3 $18 {is the precise move to win.}) 35... Be6 $16 36. Rxd8+ Bxd8 {[%mdl 4096] Endgame KRN-KB. A strong pair of Bishops.} 37. Re5 g6 $1 38. Ne3 ({But not} 38. Nxh6+ Kg7 39. Rxe6 fxe6 $15) 38... Bxh4 39. Rxc5 {Ra5 is the strong threat.} Bxa2 40. Ra5 {[%csl LRa2,LRa6]} Be6 41. Rxa6 Kg7 42. f4 Bf6 43. Kf2 h5 44. Kf3 Kh7 45. Ke4 Kg7 46. Nd5 Bf5+ 47. Kf3 Bd4 48. Ne7 Bg4+ 49. Ke4 Bf6 50. Ra7 Kf8 (50... Bxe7 $11 51. Rxe7 Kf6) 51. Nc6 ({White should try} 51. Nd5 $14 Bf5+ 52. Ke3) 51... Bf5+ 52. Kd5 h4 53. Kd6 Kg7 54. Ne5 Be6 55. Nf3 Kh6 $1 56. Rc7 Kh5 57. Nh2 Kh6 58. Rc5 Bd4 59. Ra5 Bf2 60. Nf3 Bg3 61. Ke5 $1 Kh5 $1 62. Ke4+ Bf5+ 63. Ke3 f6 $1 64. Nd4 Kg4 $1 65. Ne2 Bh2 66. Ra6 g5 67. fxg5 Kxg5 68. Ra5 Be5 69. Ra8 Be6 70. Ng1 Bd5 71. Rd8 Bc6 72. Rg8+ Kf5 73. Nh3 Bg3 74. Ng1 Ke5 {Black defended with fortune.  Weighted Error Value: White=0.18 (very precise) /Black=0.20 (precise)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.34"]
[White "Encinas Varela, David"]
[Black "Martinez Morales, Geovanni"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1862"]
[BlackElo "2098"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,55,-32,-19,-25,-24,-21,-11,-28,-27,-32,-13,-17,-9,-12,-7,-5,0,-24,142,146,307,290,316,335,316,293,273,0,0,0,0,-97,0,-141,0,0,0,0,0,0]} 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Nc6 5. g3 dxe4 6. dxe4 Bc5 7. Bg2 e5 8. O-O O-O 9. Qe2 Qe7 10. Nb3 {C00: French: Unusual White 2nd moves.} Bb6 11. c3 (11. Nbd2 {is interesting.} a5 12. c3 Rd8 13. a4 Bc5 14. Nh4) 11... a5 (11... Rd8 {seems wilder.} 12. Nbd2 a5 13. a4 Bc5 14. Nh4 Bg4) 12. Be3 Bxe3 13. Qxe3 b6 14. Rfd1 Ba6 15. Nh4 {[%cal Bf3h4,Bh4f5,Bf5h6][%mdl 32] [#]} Qe6 $146 ({Predecessor:} 15... Rfd8 16. Nf5 Qf8 17. Qe1 Rd7 18. Rxd7 Nxd7 19. Rd1 Rd8 20. Ne3 a4 21. Nc1 Nf6 {0-1 (39) Lux,W (1994)-Ritzka,S (2011) Bayern 2018}) 16. Nf5 h6 17. Bh3 {[%cal Of5h6] Threatens to win with Nxh6+!} Qc4 $2 ({Black should try} 17... Kh7 $11) 18. Nxh6+ $1 $16 Kh7 $2 {[#]} (18... Kh8 $16) 19. Qg5 $1 $18 {[%cal Od1d7]} Nxe4 (19... Bc8 20. Bxc8) 20. Bf5+ ({Less strong is} 20. Qh4 gxh6 21. Bf5+ Kg7 22. Bxe4 Qe6 $16) 20... g6 21. Qh4 {White wants to mate with Nxf7+. Really sharp!} gxf5 22. Nd4 $2 Nxd4 23. Nxf5+ Kg6 24. Ne7+ Kg7 {( -> ...Nf3+)} 25. cxd4 {[#]} (25. Rxd4 $1 $11 {keeps the balance.} exd4 26. Nf5+ Kg6 27. Ne7+ Kg7 28. Nf5+ Kg6 29. Ne7+ Kg7) 25... Qe2 (25... Qe6 $1 $17 {White must now prevent ...exd4.} 26. Rac1 {[#]} (26. Qxe4 Qxe7) 26... Rh8 $1 27. Qxe4 Qxe7) 26. Nf5+ $11 {The position is equal.} Kg6 27. Ne7+ Kg7 28. Nf5+ {Weighted Error Value: White=0.31/Black=0.35} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.35"]
[White "Ruiz Perez, Juan Octavio"]
[Black "Alvarado Rubio, Matias Uziel"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2074"]
[BlackElo "1691"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,61,41,39,79,80,106,37,48,36,86,77,112,94,118,78,71,82,99,95,76,59,230,200,324,318,308,295,377,364,279,178,929,133,1081,1035,2539,2526,5722,5722,29997,29998]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Qb6 8. Na4 Qa5+ 9. c3 cxd4 10. b4 Qc7 11. Nxd4 Nxd4 12. Bxd4 a6 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} 13. Bd3 Be7 {[#]} 14. h4 $146 (14. Qe2 $16) ({Predecessor:} 14. O-O O-O 15. Qe2 g6 16. Qe3 Rb8 17. Nb2 b6 18. Nd1 f5 19. exf6 Nxf6 20. Nf2 Bd6 {1-0 (37) Vysochin,S (2501)-Sidorika,V (2355) Kiev 2020}) 14... b5 $14 {White is slightly better.} 15. Nb2 Nb6 {[#]} (15... Nb8 $14) 16. a4 $1 $16 Nc4 17. Qe2 {And now axb5 would win.} Qb7 18. axb5 axb5 19. O-O Bd7 20. Nxc4 bxc4 21. Bc2 {White is more active.} g6 $2 {To avoid f5} ({Black should play} 21... O-O $14) 22. f5 $18 Bxh4 (22... gxf5 {was called for.} 23. Bxf5 h5) 23. f6 Bg5 24. Be3 Bxe3+ 25. Qxe3 Kd8 26. Ra5 {[#] aiming for Rfa1.} Ra6 $2 (26... Kc7) 27. Qc5 $2 (27. Rfa1 $18 Bb5 28. Qc5) 27... Re8 $2 {[%mdl 8192] This move loses the game for Black.} (27... Rxa5 $16 28. bxa5 Qc7 29. Qe7+ Kc8) 28. Rfa1 Rc6 29. Qd4 {Strongly threatening Ra7.} ({And not} 29. Ra8+ Kc7 30. Qa5+ Qb6+ 31. Kf1 Qxa5 32. R8xa5 Rb6 $11) 29... Qb6 30. Ra8+ Kc7 31. R1a7+ {[%mdl 64] Skewer.  Weighted Error Value: White=0.52/Black=0.89} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.36"]
[White "Macias Zamora, Jose Armando"]
[Black "Rosales Campos, Paul"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1488"]
[BlackElo "2039"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:37]} 2. Nf3 {[%emt 0:00:08]} e6 {[%emt 0:00:35]} 3. d4 {[%emt 0:00:11]} cxd4 4. Nxd4 {[%emt 0:00:10]} Nf6 {[%emt 0:01:28]} 5. Nc3 {[%emt 0:00:25]} Nc6 {[%emt 0:00:28]} 6. Nxc6 bxc6 {[%emt 0:00:48]} 7. Bd3 {[%emt 0:05:16]} d5 {[%emt 0:01:54]} 8. O-O {[%emt 0:00:22]} Be7 {[%emt 0:01:27]} 9. Qe2 {[%emt 0:02:51]} O-O {[%emt 0:06:35]} 10. b3 {[%emt 0:08:01]} Re8 {[%emt 0:09:58]} 11. Bb2 {[%emt 0:09:12]} Qc7 {[%emt 0:10:58]} 12. e5 {[%emt 0:06:50]} Nd7 {[%emt 0:02:01]} 13. Na4 {[%emt 0:01:09]} Nf8 {[%emt 0:12:41]} 14. f4 {[%emt 0:06:13]} c5 {[%emt 0:05:53]} 15. c4 {[%emt 0:02:54]} d4 {[%emt 0:07:59]} 16. Be4 {[%emt 0:03:06]} Bb7 {[%emt 0:05:59]} 17. Bc1 {[%emt 0:04:49]} Rad8 {[%emt 0:04:38]} 18. Nb2 {[%emt 0:01:45]} Bc8 {[%emt 0:03:59]} 19. Bd2 {[%emt 0:06:39]} f5 {[%emt 0:03:14]} 20. Bf3 {[%emt 0:05:35]} Bd7 {[%emt 0:02:32]} 21. Qe1 {[%emt 0:02:38]} Rb8 {[%emt 0:00:10]} 22. Ba5 {[%emt 0:03:13]} Qc8 {[%emt 0:00:15]} 23. Nd3 {[%emt 0:00:39]} g6 {[%emt 0:04:04]} 24. Rc1 {[%emt 0:10:24]} Qa6 {[%emt 0:05:00]} 25. Rf2 {[%emt 0:03:02]} Rec8 {[%emt 0:00:16]} 26. Rfc2 {[%emt 0:00:33]} Be8 {[%emt 0:02:02]} 27. b4 {[%emt 0:01:47]} cxb4 {[%emt 0:00:43]} 28. Bxb4 {[%emt 0:00:06]} Bxb4 {[%emt 0:00:39]} 29. Nxb4 {[%emt 0:00:01]} Qa3 {[%emt 0:00:24]} 30. Nd5 {[%emt 0:04:18]} exd5 {[%emt 0:00:54]} 31. Bxd5+ {[%emt 0:00:17]} Kg7 {[%emt 0:00:38]} 32. Qh4 {[%emt 0:00:29]} Rb6 {[%emt 0:06:42]} 33. c5 {[%emt 0:00:28]} Qe3+ {[%emt 0:00:34]} 34. Kh1 {[%emt 0:01:12]} g5 {[%emt 0:00:36]} 35. Qxg5+ {[%emt 0:00:25]} Ng6 {[%emt 0:00:19]} 36. g3 {[%emt 0:03:28]} Rbc6 {[%emt 0:00:16]} 37. Rb1 {[%emt 0:02:30]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.38"]
[White "Garcia de Dios, Jose Antonio"]
[Black "Cortes Rodriguez, Marco"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2145"]
[BlackElo "2001"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,79,71,72,81,54,85,77,83,79,91,85,90,66,108,78,118,81,85,90,145,145,165,167,162,163,168,172,175,192,256,272,289,286,250,165,128,86,87,8,16,0,0,0,0,-97,-93,-97,-87,-194,-188,-251,364,428,1246,1196,1196,1185,1961,1964,2461,2620,2716,2517,29982,29982,29989,29990,29990,29991]} 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 Be7 7. Bd3 O-O {A65: Modern Benoni: 6 e4.} 8. h3 Re8 {[%cal Oc5c4]} 9. Nf3 Bf8 {[%cal Of6e4] White is better.} 10. O-O a6 11. a4 {Prevents b5.} Nbd7 12. Re1 Rb8 (12... b6 $14 {might be stronger.}) 13. Bf4 Qc7 {[#]} 14. Nd2 $146 ({Predecessor:} 14. a5 g6 15. Bh2 Nh5 16. Qd2 Ne5 17. Nxe5 dxe5 18. Na4 Bd7 19. Nb6 Bb5 20. Rac1 {½-½ (40) Budisavljevic,L (2509)-Meissner,F (2362) Belgrade 2021}) 14... Ne5 15. Bf1 Ng6 ({Black should try} 15... h6) 16. Bh2 $16 b6 17. f4 {[%cal Oe4e5]} Nd7 18. Kh1 Bb7 19. Nc4 Ba8 20. e5 dxe5 (20... Rbd8 {is a better defense.} 21. Bd3 (21. exd6 Bxd6 22. Nxd6 Rxe1 $18) 21... Be7) 21. fxe5 $18 Qb7 22. e6 fxe6 23. dxe6 (23. Bxb8 $6 Qxb8 24. Rxe6 Rxe6 25. dxe6 Nf6) 23... Nf6 24. Bxb8 {White is much more active.} (24. Qb3 $142 {Black must now prevent e7.} Kh8 25. Rad1 (25. Bxb8 Qxb8 26. Re3 Qf4 $16)) 24... Qxb8 $16 25. Qb3 (25. Kg1 $16) 25... Be7 $1 $11 26. Rad1 (26. Qxb6 Qg3 27. Re3 (27. Qxa6 Nh4 $19) 27... Qf2) 26... Qg3 {...Qxh3+ is the strong threat.} 27. Re3 (27. Qxb6 $2 Nf4 28. Ne3 g6 $19) (27. Nxb6 $2 Qxh3+ 28. Kg1 Qg3 $19) 27... Qf2 28. Ne2 (28. Qxb6 $2 Nf4 29. Re2 Qg3 30. Qxa6 Nxe2 31. Nxe2 Qxh3+ 32. Kg1 Qh6 $19) (28. Re2 $11 Qg3 29. Re3 (29. Qxb6 $2 Nf4 $19) (29. Nxb6 $2 Qxh3+ 30. Kg1 Qg3 $19)) 28... Nh4 {[%cal Ra8g2]} 29. Rg3 Ne4 {Hoping for ...b5.} 30. Rg4 {[#]} (30. Kh2 $17) 30... Rf8 $1 $19 {aiming for ...h5.} 31. Nxb6 ({Don't go for} 31. Qxb6 $2 h5 32. Rxh4 Qxh4 $19) (31. Qd3 $142 Qxf1+ 32. Rxf1 Rxf1+ 33. Kh2 Rh1+ 34. Kxh1 Nf2+ 35. Kg1 Nxd3 36. Nxb6) 31... Nd2 $4 {[%mdl 8192]} 32. Qc3 $18 {[%csl Gg4][%cal Rc3g7]} ({But not} 32. Rxd2 Qe1 33. Rxg7+ (33. Qc3 $2 {is a self mate.} Rxf1+) 33... Kxg7 34. Qg3+ Qxg3 35. Nxg3 Rb8 $18) 32... Qxf1+ (32... Nf5 $142 33. Rxd2 Qxf1+ 34. Kh2 Qe1) 33. Rxf1 Rxf1+ 34. Ng1 {[%csl Gg4][%cal Rc3g7]} Bf6 35. Qxd2 Nf3 36. gxf3 Bxf3+ 37. Kh2 Be5+ {[#]} 38. Rg3 $1 {[%cal Rd2d8] White mates.} h5 (38... Bc6 39. Qd8+) 39. Qd8+ Kh7 40. Qd3+ {White used his chance.  Weighted Error Value: White=0.24 (precise) /Black=0.58} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.39"]
[White "Herrera Aruca, Jorge Frank"]
[Black "Alfaro, William"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "1964"]
[BlackElo "2143"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,96,14,14,15,1,10,0,14,0,12,8,52,30,37,29,29,7,19,14,25,16,37,38,35,37,33,32,40,0,52,31,56,19,62,72,825,79,85,79,80,72,80,28,31,8,10,0,0,-79,-102,-109,0,0,0,0,7,-10,0,0,17,11,40,45,56,43,29993,0,137,0,0,0,0,-81,-77,-136,0,0,0,0,0,0,562]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. O-O Nf6 {[%cal Bg8f6,Bf6h5,Bh5f4][%mdl 32]} 7. Nc3 O-O 8. Be3 {8.h3 might become the main line.} b6 9. h3 e5 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} 10. Qc1 Qd6 11. Bh6 Nh5 12. Bxg7 Kxg7 {[#]} 13. Ne2 $146 ({Predecessor:} 13. Re1 Qf6 14. Qg5 Qxg5 15. Nxg5 Nf4 16. Nf3 f6 17. a3 Ne6 18. b4 Bd7 19. bxc5 Nxc5 {0-1 (50) Hammer,J (2608)-Visakh,N (2516) Chess.com INT 2021}) 13... f5 (13... Qf6 $11) 14. exf5 Bxf5 15. Qe3 Rae8 $1 16. Ng5 {Inhibits e4.} Nf4 17. Ne4 Qd5 18. Rad1 Rd8 (18... Qxa2 19. Nd6 Nxe2+ 20. Qxe2 $14) 19. Nxf4 exf4 20. Qxf4 Bxh3 $1 21. Qg3 Bf5 22. Rfe1 Rfe8 (22... Bxe4 $11 23. dxe4 Qxd1 24. Rxd1 Rxd1+ 25. Kh2 h5) 23. Ng5 Qd7 {[%cal Oc5c4]} 24. Re5 Rxe5 (24... c4 $11 {was preferrable.}) 25. Qxe5+ $14 Kh6 $2 {[%mdl 8192]} (25... Kg8 $16) 26. Qe3 $2 (26. Qf6 $1 $18 Rf8 27. Qxf8+ Kxg5 28. Re1) 26... Kg7 $16 {Inhibits Nf7.} 27. Re1 $1 {[%cal Og2g4] White is more active.} Qd6 28. Nf3 Rd7 {To avoid Qe7+} 29. Nh4 (29. b3 $16) 29... Rf7 $11 30. Qg5 {[%cal Oe1e7]} Qd4 31. Nf3 Qxb2 32. Qd8 (32. Ne5 $11 Qc3 33. Re2) 32... Qf6 $1 $17 ({But not} 32... Qxa2 33. Ng5 Rd7 34. Re7+ Rxe7 35. Qxe7+ Kg8 36. g4 (36. Qxh7+ Kf8 $14) 36... Bxg4 37. Qe8+ (37. Qxh7+ Kf8 $14) 37... Kg7 38. Qe7+ Kg8 39. Qe8+ (39. Qxh7+ Kf8 $11) 39... Kg7 40. Qe7+ Kg8 $11) 33. Qb8 Re7 ({Black should try} 33... Bg4 $17 34. Re3 Bxf3 35. Rxf3 Qa1+ 36. Kh2 Rxf3 37. gxf3 Qxa2) 34. Rxe7+ $11 Qxe7 35. Ne5 Kh6 36. f4 {Threatens to win with g4.} c4 37. Qg8 {aiming for Nf7+.} Kh5 38. Qxc4 Qa3 39. Qd4 Qc1+ 40. Kh2 {Qf2 is the strong threat.} Qxc2 {[%mdl 8192]} (40... Qe1 $14) 41. Qe3 $2 (41. Qd8 {mates} h6 42. Kg3 Qxg2+ 43. Kxg2 g5 44. fxg5 Kh4 45. g6+ Kh5 46. Kg3 Bxg6 47. Qh4#) 41... Qc5 {[#]} (41... Qxa2 $11 {remains equal.} 42. Qg3 Kh6) 42. Qg3 (42. d4 $1 $16 {[%cal Rd4c5]} Qd5 43. Qg3) 42... Qe7 43. Qf3+ Kh6 44. Qe3 (44. Nxc6 $11 Qh4+ 45. Kg1) 44... Kg7 $17 45. Qd4 {[#]} ({White should play} 45. Kg3) 45... Kh6 ({Better is} 45... c5 $1 $17 46. Qf2 Be6) 46. Nxc6 $11 {The position is equal.} Qh4+ 47. Kg1 Qe1+ 48. Kh2 Qd2 $2 {[%mdl 40960] Weighted Error Value: White=0.53/Black=0.36. An unexpected result.} (48... Qh4+ $11 49. Kg1 Qg3) 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.40"]
[White "Vega Garcia, Jorge Arturo"]
[Black "Castellanos Hernandez, Emilio Au"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2121"]
[BlackElo "1939"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,36,26,18,0,0,0,0,-16,-9,-25,-33,-21,-18,-18,-18,-22,-7,-14,-2,-25,-33,-68,-74,-136,-99,-215,-42]} 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Qa4+ Nc6 5. e3 Nf6 6. Nf3 O-O 7. a3 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} Bxc3+ 8. bxc3 Re8 9. Be2 {The position is equal.} Bd7 {[%cal Oc6d4] And now ...Nxd4! would win.} 10. Qc2 Na5 {[#]} 11. Ne5 $146 ({Predecessor:} 11. cxd5 exd5 12. Ne5 c5 13. O-O Rc8 14. Bd3 g6 15. Qe2 cxd4 16. cxd4 Nb3 17. Rb1 Nxc1 18. Rfxc1 Rxc1+ 19. Rxc1 {1-0 (39) Dahale,A (2140)-Kanishk,S (1808) Mumbai 2018}) 11... Nxc4 12. Nxc4 dxc4 13. Bxc4 c5 14. O-O Qc7 {...cxd4 is the strong threat.} 15. Qe2 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 16. d5 e4 $1 17. Ba2 (17. Rb1 $142) 17... Qe5 ({Don't play} 17... Ng4 $6 18. f4 $14) 18. Bb2 {[#]} (18. h3 $17) 18... Qg5 $2 {Weighted Error Value: White=0.29 (precise) /Black=0.05 (flawless)} ({But not} 18... Nxd5 19. c4 Nf4 20. exf4 Qxf4 21. Rae1 $18) (18... Ng4 $1 $19 {[%csl Gg4][%cal Re5h2]} 19. g3 Qh5) 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.41"]
[White "Pla, Silvio"]
[Black "Lopez Padilla, Piero Raul"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2113"]
[BlackElo "1898"]
[Annotator "NA RC"]
[PlyCount "65"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:30]} Nf6 {[%emt 0:01:46]} 2. Bf4 {[%emt 0:00:00]} g6 {[%emt 0:00:11]} 3. e3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:11]} 4. Nf3 {[%emt 0:00:05]} b6 {[%emt 0:00:25]} 5. Nbd2 {[%emt 0:01:13]} c5 {[%emt 0:00:21]} 6. c3 {[%emt 0:00:18]} Bb7 {[%emt 0:00:16]} 7. h3 {[%emt 0:00:20]} O-O {[%emt 0:00:08]} 8. Be2 {[%emt 0:00:27]} d6 {[%emt 0:00:24]} 9. O-O {[%emt 0:00:11]} Nbd7 {[%emt 0:00:19]} 10. a4 {[%emt 0:01:39] 10.Bh2 is the fancy move.} a6 {[%emt 0:00:18]} 11. Bh2 {[%emt 0:01:49]} Bc6 {[%emt 0:04:15]} 12. Bd3 {[%emt 0:15:09] [#]} d5 $146 {[%emt 0:01:17]} ({Predecessor:} 12... b5 13. e4 c4 14. Bc2 Bb7 15. Qe2 Ne8 16. e5 dxe5 17. Nxe5 Nxe5 18. Bxe5 Nf6 19. Ne4 Nd7 20. Bxg7 Kxg7 {1-0 (39) Drabke,L (2462)-Spornberger,M (2347) Austria 2016}) 13. Qe2 {[%emt 0:01:40]} c4 {[%emt 0:07:59]} 14. Bc2 {[%emt 0:00:10]} Ra7 {[%emt 0:00:59]} 15. Ne5 {[%emt 0:07:48]} Nxe5 {[%emt 0:00:58]} 16. Bxe5 {[%emt 0:00:22]} Qa8 {[%emt 0:02:17]} 17. f4 {[%emt 0:12:15]} b5 {[%emt 0:04:50]} 18. a5 {[%emt 0:04:49]} Ne4 {[%emt 0:07:48]} 19. Nxe4 {[%emt 0:03:15]} dxe4 {[%emt 0:00:06]} 20. Bxg7 {[%emt 0:00:12]} Kxg7 {[%emt 0:00:07]} 21. f5 {[%emt 0:01:18]} f6 {[%emt 0:02:43]} 22. Qg4 {[%emt 0:02:46]} e6 {[%emt 0:07:14]} 23. fxg6 {[%emt 0:12:52]} f5 {[%emt 0:00:26]} 24. Qf4 {[%emt 0:00:50]} hxg6 {[%emt 0:00:12]} 25. Qe5+ {[%emt 0:00:14]} Kf7 {[%emt 0:00:31]} 26. Rf4 {[%emt 0:06:13]} Qb8 {[%emt 0:05:31]} 27. Qc5 $17 {[%emt 0:00:57]} ({White should play} 27. Rd1 $15) 27... Bd5 {[%emt 0:00:20]} 28. Raf1 {[%emt 0:01:08]} g5 {[%emt 0:12:14]} 29. Rxf5+ {[%emt 0:02:18]} exf5 {[%emt 0:04:11]} 30. Rxf5+ {[%emt 0:00:01]} Kg6 {[%emt 0:04:47]} 31. Rxf8 {[%emt 0:00:50]} Qb7 {[%emt 0:02:51]} 32. Rd8 {[%emt 0:02:38]} Bf7 {[%emt 0:02:08]} 33. Qe5 {[%emt 0:00:23]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.42"]
[White "Fernandez Sanchez, Mario Andres"]
[Black "Torres Rivas, Felipe de Jesus"]
[Result "0-1"]
[ECO "E08"]
[WhiteElo "2093"]
[BlackElo "1845"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,124,33,31,27,31,31,19,25,15,22,28,0,24,0,0,-33,31,25,83,82,97,0,39,35,35,22,25,21,28,19,22,29,41,0,0,0,0,0,0,0,0,0,104,-427,-436,-431,-458,-455,-429,-456,-454,-446,-443,-380,-372,-509,-498,-560,-556,-554,-554,-554,-547,-553,-516,-520,0,-544,-550,-544,-547,-546,-519,-541,-466,-735,-653,-783,-709,-820,-812,-1989,-1960,-2228,-2472,-2440,-2368,-1872,-1835,-1687,-1631,-1366,-1198,-29976,-29977,-2855,-2452,-2124,-1942,-2867,-2846]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 c6 9. Rd1 b6 10. Bf4 Bb7 11. Nc3 Rc8 12. b3 Nh5 13. Bc1 f5 14. e3 {E08: Closed Catalan: Main Line: 7 Qc2.} Bd6 15. Bb2 Qe7 16. a4 {The position is equal.} a5 {[#]} 17. Rac1 $146 ({Predecessor:} 17. Ne2 Nhf6 18. Nc1 Ne4 19. Nd3 c5 20. dxc5 Ndxc5 21. Nxc5 Bxc5 22. Ne5 Rc7 23. Rac1 {1-0 (50) Dragomirescu,A (2288)-Vajda,S (2362) Szombathely 2004}) 17... Nhf6 18. Qb1 Ba6 19. Bf1 {[%cal Oc4c5] And now c5! would win.} Bb7 20. cxd5 Nxd5 (20... exd5 $15 21. Ne2 (21. Qxf5 Ne4 $11) 21... Ne4) 21. Bg2 $14 c5 (21... Bb4 $11) 22. Nb5 $16 Bb8 {[#]} 23. Ba3 ({White should try} 23. Nd2 $1 $16) 23... Nb4 (23... f4 $5 {[%cal Rf4g3]} 24. exf4 (24. gxf4 Bxf4 25. Qd3 Bb8 $17) 24... Nxf4 25. gxf4 Rxf4 $11) 24. Bxb4 cxb4 25. Rxc8 Rxc8 26. Rc1 Qe8 27. Nd2 Bxg2 28. Kxg2 Nf6 29. Rxc8 (29. f3 $14 {is superior.}) 29... Qxc8 $11 30. Nc4 Qc6+ 31. Kg1 Ne4 32. Qd3 Ng5 {...Nh3+ is the strong threat.} 33. d5 $1 Nf3+ (33... exd5 $11 {keeps the balance.} 34. Qxf5 dxc4 35. Qxg5 Qd7 36. bxc4 b3) 34. Kf1 $2 {[%mdl 8192]} (34. Kg2 $16 {is forced if you want to stay better.} exd5 {[#]} 35. Nxa5 $1 Nh4+ 36. gxh4 bxa5 37. Qxf5) 34... exd5 $19 35. Nb2 Qc1+ 36. Nd1 Qd2 37. Nb2 {[%cal Od3f5]} Qxd3+ ({Not} 37... Qe1+ 38. Kg2 Nd2 39. Qxd5+ Kf8 40. Qxf5+ Ke7 41. Qd3 $18 (41. Kh3 Qf1+ 42. Kg4 Qe2+ 43. Kh3 Qf1+ 44. Kh4 g6 $11)) 38. Nxd3 {[%mdl 4096] Endgame KBN-KNN} Nd2+ 39. Ke2 Nxb3 40. f4 Kf7 41. Kd1 Nc5 42. Nb2 Kg6 43. Ke2 Kf6 44. Kd2 Ke7 45. Nd4 Kf6 46. Nb5 $1 h5 47. Ke2 g6 48. Kd2 Ke7 49. Kc2 Kd7 {White must now prevent ...Bd6.} 50. Kd2 (50. Nd4 $142) 50... Bd6 51. Kc2 Be7 52. Nd3 Bf6 53. Nxc5+ bxc5 {KB-KN} 54. h3 Kc6 55. Na7+ Kb6 56. Nc8+ Kc7 57. Na7 d4 58. Nb5+ Kc6 59. Kd3 dxe3 60. Kxe3 Kd5 {Black is clearly winning.} 61. Nc7+ Kc4 62. Ne6 Kc3 {Weighted Error Value: White=0.39/Black=0.14 (very precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.43"]
[White "Alvidrez Aguirre, Genaro"]
[Black "Avila Bautista, Roberto Al"]
[Result "0-1"]
[ECO "B39"]
[WhiteElo "1880"]
[BlackElo "2090"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,64,47,-12,-10,-16,-17,-16,0,0,4,-33,-20,-81,-80,-108,-108,-112,-105,-110,-97,-141,-142,-150,-148,-169,-161,-173,-175,-200,-193,-221,-218,-218,-155,-191,-204,-406,-401,-437,-442,-451,-452,-452,-441,-488,-443,-468,-482]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Bd3 (10. Rc1 $14) 10... Bxc3+ $11 {B39: Sicilian: Maroczy Bind with 5...Bg7 and 7...Ng4.} 11. bxc3 b6 12. O-O {[#]} Bb7 $146 {The position is equal.} ({Predecessor:} 12... Qc7 13. f4 Nc5 14. Bc2 Bb7 15. a4 f6 16. Qe2 d6 17. f5 Nd7 18. Bd4 Ne5 {0-1 (54) Reshef,O (2453)-Perelshteyn,E (2523) Dallas 2017}) 13. Bd4 O-O {[%cal Bh8f8,Bf8c8,Bc8c5,Bc5a5][%mdl 32]} 14. Qd2 Qc7 15. Qh6 (15. f4 $11) 15... Qf4 $17 16. Be3 {[#]} Qxh6 17. Bxh6 Rfc8 18. Rfe1 {[%cal Bf1e1,Be1e2,Be2d2,Bd2d6][%mdl 32]} Rc5 19. Rad1 (19. Reb1 $142) 19... d6 20. Be3 Ra5 21. Re2 Rc8 22. f4 Ba6 ({Worse is} 22... Nc5 23. Bxc5 Rcxc5 24. Rb1) 23. f5 Nc5 {[%cal Be6c5,Bc5a4,Ba4c3,Bc3d1][%mdl 32]} 24. Bb1 Bxc4 25. Red2 Na4 26. f6 Nxc3 27. fxe7 $2 (27. Rc1 {might work better.} Nxb1 28. Rxb1) 27... Nxd1 $19 28. Rxd6 {[#] Black must now prevent Rd8+.} Re8 {Black is clearly winning.} 29. Rd8 {[#]} (29. Bd2 Rh5) 29... Bb5 30. Rxd1 (30. Bd2 Nb2) 30... Rxe7 31. Bg5 {[#]} Ba4 $1 {[%mdl 512]} 32. Rd8+ (32. Bxe7 Bxd1) 32... Re8 {White got outplayed after the opening.  Weighted Error Value: White=0.33/Black=0.07 (flawless)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.44"]
[White "Fernandez Pozas, Pablo Antonio"]
[Black "Benito De Leo, Estefania"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2072"]
[BlackElo "1657"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,68,32,32,29,64,60,95,95,87,90,97,95,104,103,108,109,121,124,136,123,160,160,163,119,174,125,181,164,227,238,264,231,425,402,789,724,1591,1591,1554,1541,2437,2281,1813,824,29991,29990,29992,29991,29995,29995,29998,29999,29999]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8. Be2 c5 9. Be3 Qa5 {9...b6 is the modern continuation.} 10. O-O {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} Rd8 11. Qb3 Nc6 {[%cal Rc5d4]} 12. d5 {White is better.} (12. Ng5 e6 13. d5 exd5 $11) 12... Ne5 13. Nxe5 Bxe5 {[#]} 14. Rac1 $1 a6 15. f4 Bg7 {[#]} 16. c4 $146 {White is more active.} ({Predecessor:} 16. Bf3 Qc7 17. c4 e5 18. g3 Rd6 19. Qa3 b6 20. fxe5 Bxe5 21. Bf4 Rf6 22. Bxe5 Qxe5 {1-0 (39) Ruzicka,M (2059)-Jablonicky,M (1827) Tatranske Zruby 2012}) 16... Qc7 17. e5 Bf5 18. Bf3 h5 19. h3 Rab8 20. Qa3 (20. Qc3 $18) 20... b6 (20... Rdc8 $16 {was necessary.} 21. Rfd1 Bf8) 21. Rf2 ({Resist} 21. Qxa6 $6 f6 $16) (21. g4 $18 Bc8 22. Kf2) 21... Bc8 (21... h4 $16) 22. g4 h4 (22... hxg4 $142 23. hxg4 Bd7) 23. Re2 $18 g5 24. Rce1 f6 $2 (24... Bb7 25. Bd2 Rf8) 25. Bd2 {[%cal Od5d6] aiming for d6!} gxf4 (25... fxe5 $142 26. fxe5 (26. fxg5 e6 $18) 26... Rf8) 26. Bxf4 {Threatens to win with d6.} fxe5 27. Bxe5 Bxe5 28. Rxe5 Rf8 29. Qe3 {White wants to mate with Qg5+.} Rf7 {[#]} 30. Qh6 $1 e6 {[#]} (30... Bf5 31. Qxh4) 31. d6 $1 {White mates.} Qd7 (31... Qd8 32. Rg5+) 32. Bc6 Qa7 33. d7 Rg7 34. d8=Q+ Kf7 35. Rf1# {Weighted Error Value: White=0.10 (very precise) /Black=0.52} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.45"]
[White "Ortiz Verdezoto, Anahi"]
[Black "Zaragoza Alanis, Miguel Arnulfo"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2047"]
[BlackElo "1342"]
[Annotator "ChessBase"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:11]} g6 {[%emt 0:00:01]} 3. Nc3 {[%emt 0:00:08]} d5 4. cxd5 {[%emt 0:00:10]} Nxd5 {[%emt 0:00:03]} 5. Nf3 {[%emt 0:00:15]} Bg7 {[%emt 0:00:13]} 6. e4 {[%emt 0:00:11]} Nxc3 {[%emt 0:00:04]} 7. bxc3 {[%emt 0:00:03]} c5 {[%emt 0:00:29]} 8. h3 {[%emt 0:00:22]} Nc6 {[%emt 0:00:06]} 9. Be3 {[%emt 0:00:07]} cxd4 10. cxd4 {[%emt 0:00:28]} Qa5+ {[%emt 0:00:29]} 11. Bd2 {[%emt 0:00:09]} Qa3 {[%emt 0:00:04]} 12. d5 {[%emt 0:00:18]} Ne5 13. Nxe5 {[%emt 0:00:17]} Bxe5 {[%emt 0:00:14]} 14. Bb5+ {[%emt 0:00:04]} Kf8 {[%emt 0:01:11]} 15. Rb1 {[%emt 0:03:06]} Kg7 {[%emt 0:03:02]} 16. Qe2 {[%emt 0:02:47]} e6 {[%emt 0:05:27]} 17. O-O {[%emt 0:01:33]} Qe7 {[%emt 0:00:52]} 18. Bc4 {[%emt 0:07:04]} b6 {[%emt 0:01:22]} 19. Be3 {[%emt 0:04:28]} Bd6 {[%emt 0:04:13]} 20. e5 {[%emt 0:10:19]} Bxe5 {[%emt 0:03:24]} 21. Bh6+ {[%emt 0:00:43]} Kxh6 {[%emt 0:00:20]} 22. Qxe5 {[%emt 0:00:02]} f6 {[%emt 0:02:10]} 23. Qe3+ {[%emt 0:00:23]} Kg7 {[%emt 0:00:16]} 24. dxe6 {[%emt 0:00:03]} Bb7 {[%emt 0:03:23]} 25. Rfd1 {[%emt 0:04:50]} Rhd8 {[%emt 0:00:53]} 26. Bb5 {[%emt 0:01:04]} a6 {[%emt 0:12:54]} 27. Bd7 {[%emt 0:05:05]} Bc8 {[%emt 0:12:13]} 28. Rxb6 {[%emt 0:01:22]} Ra7 {[%emt 0:11:46]} 29. Rc6 {[%emt 0:01:03]} Ra8 {[%emt 0:01:30]} 30. Rc7 {[%emt 0:05:38]} Kf8 {[%emt 0:05:18]} 31. Qc1 {[%emt 0:05:35]} Bxd7 {[%emt 0:01:48]} 32. Qh6+ {[%emt 0:00:51]} Qg7 {[%emt 0:00:41]} 33. e7+ {[%emt 0:00:12]} Kf7 {[%emt 0:00:53]} 34. Qxg7+ {[%emt 0:00:07]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.46"]
[White "Ramirez Toledo, Ayleen Maribel"]
[Black "Fernandez Rivero, Karla July"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "1810"]
[BlackElo "2025"]
[Annotator "ChessBase"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:18]} 2. g3 {[%emt 0:00:05]} e6 {[%emt 0:00:23]} 3. Bg2 {[%emt 0:00:05]} d5 {[%emt 0:00:21]} 4. O-O {[%emt 0:00:15]} Be7 {[%emt 0:00:32]} 5. c4 dxc4 {[%emt 0:00:27]} 6. Qa4+ {[%emt 0:00:22]} c6 {[%emt 0:00:37]} 7. Qxc4 {[%emt 0:00:08]} b5 {[%emt 0:00:33]} 8. Qc2 {[%emt 0:00:08]} Bb7 {[%emt 0:00:28]} 9. d3 {[%emt 0:00:16]} c5 {[%emt 0:03:32]} 10. a4 {[%emt 0:00:47]} b4 {[%emt 0:01:11]} 11. Nbd2 {[%emt 0:00:24]} O-O {[%emt 0:01:06]} 12. Nc4 {[%emt 0:00:14]} Nc6 {[%emt 0:04:25]} 13. a5 {[%emt 0:07:39]} Rc8 {[%emt 0:06:37]} 14. b3 {[%emt 0:06:40]} Nd5 {[%emt 0:10:05]} 15. Bb2 {[%emt 0:05:49]} Nc7 {[%emt 0:11:23]} 16. e3 {[%emt 0:08:09]} Nb5 {[%emt 0:05:05]} 17. Nfe5 {[%emt 0:05:52]} Bf6 {[%emt 0:04:49]} 18. f4 {[%emt 0:08:19]} Ba8 {[%emt 0:14:03]} 19. Rf2 {[%emt 0:19:55]} Nxe5 {[%emt 0:05:33]} 20. Nxe5 {[%emt 0:00:50]} Bxg2 {[%emt 0:00:56]} 21. Rxg2 {[%emt 0:00:36]} Bxe5 {[%emt 0:01:12]} 22. Bxe5 {[%emt 0:00:16]} Na3 {[%emt 0:00:48]} 23. Qd1 {[%emt 0:06:44]} Qxa5 {[%emt 0:12:29]} 24. Qg4 {[%emt 0:03:09]} f6 {[%emt 0:02:47]} 25. Qxe6+ {[%emt 0:00:15]} Kh8 {[%emt 0:00:07]} 26. Bb2 {[%emt 0:00:49]} Rfe8 {[%emt 0:03:06]} 27. Qf5 {[%emt 0:04:39]} Qb6 {[%emt 0:00:31]} 28. g4 {[%emt 0:03:19]} Qe6 {[%emt 0:04:30]} 29. Qxe6 {[%emt 0:02:37]} Rxe6 {[%emt 0:00:02]} 30. e4 {[%emt 0:07:21]} Rd8 {[%emt 0:05:57]} 31. Bxa3 {[%emt 0:02:05]} bxa3 {[%emt 0:00:05]} 32. Rxa3 {[%emt 0:00:06]} Rxd3 {[%emt 0:01:11]} 33. Rxa7 {[%emt 0:00:05]} h6 {[%emt 0:00:25]} 34. Kh1 {[%emt 0:09:29]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.47"]
[White "Jorajuria Mendoza, Zuben Algenubi"]
[Black "Guevara Sanchez, Erick Marvin"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1582"]
[BlackElo "2145"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,11,11,8,10,-25,-14,-30,58,48,91,114,107,68,76,70,76,0,0,0,73,60,131,127,117,35,41,38,41,5,43,36,53,3,29,13,10,0,93,79,95,16,83,68,317,306,285,117,381,366,520,527,686,678,1765,1243,2653,2454,29997,29994,29994,963]} 1. e4 d5 2. exd5 Qd7 3. d6 Qxd6 4. Nc3 a6 5. d4 Nf6 6. Nf3 {[#] B01: Scandinavian Defence.} Bg4 $146 ({Predecessor:} 6... b5 7. g3 Bb7 8. Bg2 e6 9. O-O Qc6 10. Qe2 Qb6 11. a4 b4 12. a5 Qa7 {1-0 (64) Thilakarathne,G (2405)-Wijekoon,C (1889) Nugegoda 2019}) 7. g3 Nc6 8. Bg2 {The position is equal.} Qe6+ (8... O-O-O $11) 9. Be3 $14 Nd5 (9... Qf5 $14 {might be stronger.}) 10. Nxd5 $16 Qxd5 11. O-O Qh5 {Inhibits h3.} 12. Bf4 O-O-O {[%cal Oc6d4]} 13. Qd3 (13. h3 $1 $16 {[%cal Rh3g4]} Bxf3 14. Bxf3) 13... f6 $11 {Threatens to win with ...e5.} 14. Qb3 g5 (14... Na5 $11 15. Qc3 Nc6) 15. Bd2 {Strongly threatening d5.} (15. Bxc7 $5 Kxc7 16. d5 $11) 15... Bh3 ({Black should play} 15... e6 $14) 16. d5 $16 Nb8 17. c4 (17. Bxh3+ $16 Qxh3 18. Nd4) 17... Bxg2 18. Kxg2 e5 {Prevents Nd4.} 19. Rfe1 (19. Rac1 {seems wilder.} Nd7 20. Be3 Nc5 21. Qc2 Qg6 22. Rfd1) 19... Qf7 20. Rac1 h5 21. Qd3 (21. Be3 $14) 21... Nd7 $11 22. b4 Qh7 23. Qe2 Qf5 (23... Nb6 $11 {keeps the balance.}) 24. c5 $16 {[%cal Bc4c5,Bc5d6][%mdl 32]} Nb8 25. Qc4 ({White should try} 25. d6 $1 $16) 25... Qd7 {Inhibits b5.} (25... h4 $11 26. Rc3 hxg3 27. fxg3 Qd7) 26. d6 $1 {[%cal Od2g5] And now Bxg5! would win. White is more active.} cxd6 $2 (26... Bh6 $14) 27. cxd6+ $18 Nc6 {[#]} 28. a4 (28. Bxg5 $1 $18 {[%mdl 512] and the rest is easy.} Qxd6 29. Rcd1) 28... Kb8 $2 {[%mdl 8192]} (28... g4 $16 29. Nxe5 fxe5) 29. b5 axb5 (29... g4 $142) 30. axb5 {Qa2 is the strong threat.} Qxd6 {[%cal Og5g4]} 31. bxc6 Qc7 {[#]} 32. Ba5 $1 {[%mdl 512]} Qxa5 (32... Qxc6 33. Bxd8) 33. c7+ Kc8 34. cxd8=Q+ Kxd8 35. Qc8+ {Weighted Error Value: White=0.32/Black=0.85} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.48"]
[White "Limon Olmos, Ivan Alonso"]
[Black "Salazar Moreno, Rafael"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2106"]
[BlackElo "1778"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,75,24,29,38,16,36,22,47,13,39,7,57,12,14,2,49,0,0,-16,22,18,18,29,65,64,67,67,71,65,74,58,471,468,472,464,479,473,629,639,648,647,638,641,646,603,714,714,691,669,870,838,982,966,1784,1825,1795,1743,4766,2888,2783,2765,29986,29987,29986,29987]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 a6 5. Bg5 Be7 6. e3 dxc4 7. Bxc4 b5 {D53: Queen's Gambit Declined: 4 Bg5 Be7: Early deviations.} 8. Bd3 Bb7 9. Bxf6 Bxf6 {The position is equal.} 10. Ne4 Nd7 11. Rc1 O-O (11... Be7 $11) 12. O-O (12. Nxf6+ $14 Nxf6 13. O-O) 12... Be7 $11 {[#]} 13. a4 $146 ({Predecessor:} 13. Qc2 Rc8 14. Ned2 g6 15. Be4 Bxe4 16. Nxe4 c5 17. Nxc5 Nxc5 18. dxc5 Rxc5 19. Qe2 {1-0 (44) Lopes,L (1575)-Pavao,W Florianopolis 2021}) 13... b4 (13... Rc8 $11 {deserves consideration.}) 14. Qc2 (14. Qe2 $14) 14... Rc8 (14... c5 $5) 15. Nc5 Nxc5 16. dxc5 ({But not} 16. Bxh7+ $2 Kh8 17. dxc5 Bxf3 18. gxf3 g6 $19) 16... Bxf3 17. gxf3 (17. Bxh7+ $2 Kh8 18. gxf3 g6 $19) 17... g6 18. Bxa6 {[#] Strongly threatening Rfd1.} Ra8 19. Bb5 $36 {[%mdl 2048] Black is under pressure. White is more active.} Qd5 20. f4 b3 21. Qe2 Bxc5 $2 {[%mdl 8192] A mistake that costs the game.} (21... Rfd8 $14) 22. Rfd1 $18 Qf5 23. e4 Bxf2+ 24. Qxf2 ({Not} 24. Kxf2 Qxf4+ 25. Kg1 Rad8 $18) 24... Qxe4 25. Bc6 Qf5 26. Bxa8 Rxa8 27. Rd4 e5 {[#]} 28. Qg2 $1 {[%mdl 512]} exd4 (28... Ra7 29. fxe5) 29. Qxa8+ Kg7 30. Qf3 d3 31. Rd1 Qc5+ 32. Kh1 Qc2 33. Qxd3 Qc6+ 34. Kg1 {Black must now prevent Qc3+.} Kg8 35. Qxb3 Qc5+ 36. Kf1 Qc6 37. Rd8+ Kg7 38. Qc3+ {Weighted Error Value: White=0.15 (very precise) /Black=0.65} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.49"]
[White "Santiago Gonzalez, Frida"]
[Black "Gutierrez Herrera, Jose Antonio"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1758"]
[BlackElo "2059"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,118,-10,-9,-6,-6,-3,-12,-23,-11,-16,-15,-14,-10,-14,5,-14,0,0,-12,-41,0,-40,-48,-56,-47,-57,-46,-66,-66,-89,-34,-86,-77,-85,-91,-95,-95,-82,-84,-91,-79,-120,-91,-145,-145,-141,-105,-196,-137,-214,-141,-127,-139,-131,0,-113,-106,-79,0,-97,0,-129,-116,-278,-273,-265,-268,-261,-204,-266,-257,-254,-253,-389,-375,-377,-372,-370,-335,-334,-326,-644,-617,-557,-288,-29966,-29969,-29964,-29967,-29958,-9374,-5722,-3926,-29973,-29973,-29987,-29988,-29987,-29977,-29988,-29981,-29981,-29982,-29992,-29993]} 1. Nf3 Nf6 2. g3 c5 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. e4 Nc6 7. Re1 d6 8. Nc3 e5 9. Bg5 {A05: Réti Opening: 1 Nf3 Nf6.} h6 10. Bxf6 Bxf6 11. Nd5 {The position is equal.} Bg7 12. a4 Be6 13. Nd2 {[#]} h5 $146 ({Predecessor:} 13... Ne7 14. Nc4 f5 15. Nxe7+ Qxe7 16. exf5 gxf5 17. Ne3 Qf7 18. c4 Rae8 19. Nd5 e4 20. dxe4 fxe4 {½-½ (31) Fritsche,F-Boehm,R GER email 2011}) 14. c3 b6 15. Nc4 Rb8 16. Nce3 Ne7 17. f4 Bxd5 (17... Nxd5 $15 {should be considered.} 18. exd5 Bc8) 18. Nxd5 Nxd5 19. exd5 {[%cal Of4f5]} exf4 20. gxf4 Qh4 21. Qf3 Bh6 22. f5 Rbe8 (22... Bf4 $17 23. h3 Rfe8) 23. Re4 (23. Rxe8 $15 Rxe8 24. fxg6 Re1+ 25. Rxe1 Qxe1+ 26. Qf1 Qe3+ 27. Kh1 fxg6 28. Be4) 23... Rxe4 $17 ({Much worse is} 23... Qg5 $6 24. Rf1 $11) 24. dxe4 Bf4 25. Qh3 Qxh3 {Black is more active.} 26. Bxh3 {[%mdl 4096] Endgame KRB-KRB} g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 27. Bf1 Kg7 28. Be2 ({Better is} 28. Bd3) 28... g4 29. Kg2 ({White should play} 29. Rf1 Be3+ 30. Kg2) 29... Re8 30. Bd3 Kf6 {[%cal Oc5c4]} 31. a5 (31. Re1 $17) 31... Rb8 (31... c4 $19 32. Bc2 bxa5) 32. a6 (32. axb6 $17 {keeps fighting.} Rxb6 33. Rb1) 32... Rg8 33. Bb5 Ke5 34. Re1 Kf6 (34... Bg5 $17 35. h3 Bh4) 35. Rf1 (35. Ra1 $1 $11) 35... Be5 36. Rc1 Bf4 37. Rf1 Ke5 38. Re1 $1 Bg5 39. Kg3 $2 {This costs White the game.} (39. f6 $17) 39... h4+ $19 40. Kg2 h3+ 41. Kh1 Bf4 42. Bf1 g3 43. Bxh3 gxh2 {Threatens to win with ...Rg3.} ({Weaker is} 43... Rh8 44. Bg2 $17) 44. Bg2 (44. f6 {was the only defense.}) 44... Rg3 45. Rf1 Rd3 46. Rb1 Rd2 47. Bf3 b5 48. Bg2 $2 (48. f6) 48... c4 49. Bf3 Rc2 50. Bg2 $2 {[#]} (50. f6 $19) 50... Rc1+ 51. Rxc1 Bxc1 52. Kxh2 Bxb2 {KB-KB} 53. Kg3 Bxc3 {[#] ( -> ...Be1+)} 54. Kf3 b4 {[%cal Bb5b4,Bb4b3][%mdl 32] Black mates.} 55. Ke2 b3 56. Kd1 f6 57. Bf3 Bb4 58. Be2 c3 {[%cal Bc4c3,Bc3c2][%mdl 32]} 59. Bc4 c2+ {Weighted Error Value: White=0.52/Black=0.20 (precise)} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.18"]
[Round "8.50"]
[White "Guerrero Rodriguez, Alejandra"]
[Black "Hernandez Martinez, Jeronimo"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2019"]
[BlackElo "1747"]
[Annotator "ChessBase"]
[PlyCount "23"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} e5 {[%emt 0:20:01]} 2. Nf3 {[%emt 0:00:23]} Nc6 {[%emt 0:01:06]} 3. Bb5 {[%emt 0:00:21]} a6 {[%emt 0:00:21]} 4. Ba4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:17]} 5. O-O {[%emt 0:00:09]} b5 {[%emt 0:00:16]} 6. Bb3 {[%emt 0:00:08]} Bc5 {[%emt 0:01:14]} 7. a4 {[%emt 0:00:08]} Rb8 {[%emt 0:01:21]} 8. c3 {[%emt 0:00:33]} O-O {[%emt 0:01:59]} 9. d4 {[%emt 0:01:26]} exd4 {[%emt 0:01:41]} 10. e5 {[%emt 0:00:56]} Ne4 {[%emt 0:02:19]} 11. cxd4 {[%emt 0:00:36]} Bb4 {[%emt 0:01:09]} 12. Bd5 {[%emt 0:02:25]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "8.51"]
[White "Amezcua Luria, Jesus"]
[Black "Munoz Ricardo, Wasdin Antonio"]
[Result "1-0"]
[ECO "D93"]
[WhiteElo "2001"]
[BlackElo "1745"]
[Annotator "TA"]
[PlyCount "161"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,161,56,48,39,43,20,49,5,12,16,15,12,20,6,21,0,9,8,16,8,13,0,0,0,13,14,22,12,20,12,70,77,101,101,77,34,25,18,20,17,14,15,20,19,40,7,8,-56,-54,-53,-54,-53,-16,-70,-75,-79,-10,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,981,0,0,0,9,22,235,0,0,0,0,0,0,0,0,0,8,8,8,0,487,-8,-10,-17,-23,-249,-239,-212,-231,-206,-127,-2000,-622,-29967,-29968,-29952,-29967,-5065,-114,-345,-147,-679,-80,-73,-73,-80,-73,-132,0,0,495,446,552,487,29976,29977,29979,29980,29980,29977]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Be2 Nbd7 8. cxd5 Nxd5 9. Nxd5 cxd5 10. O-O Nf6 11. Rc1 {D93: Grünfeld: 4 Nf3 Bg7 5 Bf4 0-0 6 e3.} Qb6 12. b3 {[#]} Be6 $146 ({Predecessor:} 12... Qa5 13. Qd2 Qa3 14. Bd3 Be6 15. Rc7 b6 16. Ng5 Bg4 17. h3 Bc8 18. b4 Ne8 {1-0 (31) Sedova,E (1875)-Kozyrev,D (2195) Nizhnij Novgorod 2010}) 13. Ng5 (13. Bc7 $14 {deserves consideration.} Qb4 14. Ne5) 13... Rfc8 14. Nxe6 Qxe6 15. Qd2 Qb6 16. Bf3 e6 17. Rc2 (17. Rc3 {keeps more tension.} Ne8 18. Rfc1 Qd8 19. g3 Bf8 20. e4) 17... Ne8 {[%cal Bf6e8,Be8d6,Bd6f5][%mdl 32]} 18. Rfc1 Rxc2 19. Rxc2 Nd6 20. Qc1 Bf8 21. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Qd8 22. h5 Nf5 23. Bg4 Ne7 24. Bg5 f5 (24... Rc8 $11) 25. Be2 $14 Qe8 26. hxg6 {White is more active.} (26. Rc7 {feels hotter.} Rc8 27. hxg6 hxg6 28. Bb5 Rxc7 29. Qxc7 Qxb5 30. Bxe7 Qd3 31. Kh2) 26... hxg6 27. Bf4 {A strong pair of Bishops.} (27. Rc7 $16) 27... Rc8 28. g3 Rxc2 29. Qxc2 Qc6 30. Qb1 Qc3 31. Kg2 Qd2 32. Bf3 (32. Bb5 $5 {[%cal Rb5d7]} Nc6 33. Qh1 $14) 32... Nc6 33. g4 {[#]} (33. a3 $11) 33... Nxd4 $1 $15 34. gxf5 (34. exd4 Qxf4) 34... Nxf5 35. Bg4 Bc5 {[%cal Rc5e3]} 36. Kf3 (36. Bxf5 $11 exf5 37. Qh1) 36... Qb4 37. Qd3 {[%cal Oa2a3]} Qe1 ({Black should try} 37... Kf7 $17) 38. Bxf5 $11 gxf5 39. Qb5 $1 {[%csl LRb7,LRc5]} Qd1+ 40. Kg2 {White wants to mate with Qe8+.} Qg4+ 41. Bg3 Qe4+ 42. Kh2 b6 43. Qe8+ Kg7 44. Qd7+ Kf6 45. Qxa7 d4 46. exd4 Qxd4 47. Qh7 Qg4 48. Qh8+ Ke7 49. Qe5 Qd4 50. Qc7+ Kf6 51. Qh7 Kg5 $2 {[%mdl 8192]} (51... Qg4 $11) 52. Qg8+ $2 (52. f4+ $18 Kg4 53. Qh3+ Kf3 54. Qg2+ Ke3 55. Bf2+ Kxf4 56. Bxd4 Bxd4 57. Qg3+ Ke4 58. Kg2) 52... Kf6 53. a3 e5 54. b4 Be7 (54... Bd6 $11) 55. Qh7 $2 ({White has to play} 55. f4 $1 $18 {[%cal Rg3h4]} Qd2+ 56. Kh3 exf4 57. Bh4+ Ke5 58. Qg7+ (58. Bxe7 Qe3+ 59. Kh2 Qe2+ 60. Kh1 Qf1+ 61. Qg1 Qh3+ 62. Qh2 Qf1+ 63. Qg1 Qh3+ 64. Qh2 Qf1+ 65. Qg1 $11) 58... Kd5 59. Qxe7 Qd3+ 60. Kh2) 55... Ke6 56. Qg6+ Bf6 57. Qg8+ Ke7 58. Qh7+ Ke6 59. Qg6 f4 60. Bh4 e4 $1 61. Qg4+ Kd5 $2 {[%mdl 8192]} (61... Kd6 $11 {and Black stays safe.}) 62. Qf5+ $2 (62. Qd7+ $18 Kc4 63. Qf7+ Kb5 64. Qxf6) 62... Be5 {Strongly threatening ...Kc4.} 63. Qf7+ Kc6 {Threatens to win with ...Kb5.} 64. Qe6+ $2 (64. Qe8+ $11 {and White has nothing to worry.} Kb7 65. b5) 64... Kb5 $1 $19 65. Qe8+ {[#]} Kc4 $1 66. Qc6+ Kb3 {Hoping for ...e3.} 67. Qc1 $2 {[%mdl 8192]} (67. a4 $17) 67... e3 (67... f3+ $142 68. Kg1 Qd7 69. Qb1+ Kxa3 70. Qc1+ Kb3 71. Qb1+ Ka3 72. Qc1+ Kb3 73. Qb1+ Ka3) 68. Kg2 Qd2 69. Qb1+ Kxa3 70. Qe4 {[#]} Qb2 $2 (70... e2 $1 $19 71. Qxe5 e1=Q 72. Qxe1 Qxe1) 71. b5 $2 (71. Kf3 $17) 71... e2 (71... Qxb5 72. fxe3 Qe2+ 73. Bf2 $17) (71... Bd4 $19 {[%cal Re3f2] and Black stays clearly on top.} 72. Qxf4 e2 73. Qf8+ (73. Qe4 $2 Qd2 $19) 73... Kb3 74. Qf7+ Kb4 75. Qe7+ Kc3 76. Qc7+ Kb3 77. Qf7+ Ka4 78. Qa7+ Kb3 79. Qf7+) 72. Kf3 $2 {[%mdl 8192]} (72. Be7+ $17 Kb3 73. Kf3) 72... Qb3+ $2 ({Weaker is} 72... e1=N+ 73. Qxe1 Qb3+ 74. Kg2 f3+ 75. Kg1 $17) (72... Qxb5 $19 {has better winning chances.} 73. Be7+ Kb3 74. Qxe2 Qxe2+ 75. Kxe2 Kc4) 73. Kxe2 $17 Qxb5+ 74. Kf3 Qb3+ 75. Kg4 (75. Kg2 $142 Qg8+ 76. Kf3 (76. Kf1 Qe6 $17) 76... Qb3+ 77. Kg2 Qg8+ 78. Kf3 (78. Kf1 Qe6 $17)) 75... Qb2 (75... Qe6+ $17 76. Kh5 b5 77. Qd3+ Ka4 78. Qc2+ Kb4) 76. Kf5 Bd6 $2 {[%mdl 8192]} (76... Bd4 $11 {and Black is okay.}) 77. Qd3+ $18 Ka2 78. Qxd6 {White threatens Qd5+ and mate.} f3 (78... Qc2+ $18 79. Kxf4 Qc4+ 80. Kg3 Qg8+ 81. Kf3 Qc4) 79. Qd5+ {White mates.} Qb3 80. Qxb3+ Kxb3 81. Ke4 {Weighted Error Value: White=0.33/Black=0.17 (very precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.1"]
[White "Cori, Jorge"]
[Black "Santos Latasa, Jaime"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2650"]
[BlackElo "2640"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,51,14,0,2,7,0,0,0,0,0,0,24,40,22,28,17,72,15,45,47,57,42,54,37,33,29,26,0,22,17,186,197,445,444,1052,1048,29991,29992,29992,29993,29994,29981,29995,29996]} 1. c4 e6 2. Nc3 d5 3. e3 Nf6 4. Nf3 b6 5. b3 Bb7 6. Bb2 {A17: English Opening: 1...Nf6 with ...Bb4.} Nbd7 7. Be2 Bd6 8. cxd5 {The position is equal.} exd5 9. Nb5 Be7 10. Nbd4 c6 {[#] To avoid Bb5} 11. Rc1 $146 ({Predecessor:} 11. O-O g6 12. Rc1 Rc8 13. Ng5 O-O 14. f4 c5 15. Nf5 gxf5 16. Bd3 d4 17. Bxf5 {0-1 (36) Villiers,T (2161)-Cox,T (2141) Chess.com INT 2020}) 11... Rc8 12. h4 {[%cal Og2g4]} Ne4 (12... O-O $11 {remains equal.}) 13. Qc2 (13. Nf5 $16) 13... Nd6 14. Nf5 Nxf5 15. Qxf5 Bf6 16. d4 Be7 17. Ne5 {[%csl Ge5][%cal Rf5f7]} Nf6 18. h5 O-O 19. Bd3 c5 $2 {[#] A mistake that costs the game.} (19... Rc7 $11 {and Black has nothing to worry.}) 20. dxc5 $1 $40 {[%mdl 128] White attacks with force.} Rxc5 (20... bxc5 {is a better defense.} 21. Nc6 Rxc6 22. Bxf6 g6) 21. Rxc5 bxc5 {[#]} (21... Bxc5 $142 22. Ng4 Ne4) 22. Nc6 $1 {[%mdl 512] White threatens Bxf6 and mate.} Bxc6 (22... Bc8 23. Qxc8) 23. Bxf6 {[%csl Gd3][%cal Rf5h7] White mates.} g6 24. hxg6 fxg6 25. Qe6+ Rf7 {[#]} 26. Rxh7 $3 {[%mdl 512] Weighted Error Value: White=0.08 (flawless) /Black=0.71} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.2"]
[White "Obregon Rivero, Juan Carlos"]
[Black "Vazquez, Guillermo"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2536"]
[BlackElo "2545"]
[Annotator "ChessBase"]
[PlyCount "76"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:06]} c6 {[%emt 0:00:37]} 2. d4 {[%emt 0:00:22]} d5 {[%emt 0:00:07]} 3. e5 {[%emt 0:00:21]} Bf5 {[%emt 0:01:19]} 4. h4 {[%emt 0:00:48]} h5 {[%emt 0:00:44]} 5. c4 {[%emt 0:00:29]} e6 {[%emt 0:00:10]} 6. Nc3 {[%emt 0:00:10]} dxc4 {[%emt 0:01:43]} 7. Bxc4 {[%emt 0:00:08]} Nd7 {[%emt 0:00:09]} 8. Nge2 {[%emt 0:01:09]} Be7 {[%emt 0:00:36]} 9. Ng3 {[%emt 0:02:27]} Bg6 {[%emt 0:00:45]} 10. Nge4 {[%emt 0:07:42]} Nb6 {[%emt 0:03:09]} 11. Bb3 {[%emt 0:03:39]} Nh6 {[%emt 0:00:27]} 12. Bg5 {[%emt 0:11:47]} Bxe4 {[%emt 0:03:58]} 13. Nxe4 {[%emt 0:00:24]} Nf5 {[%emt 0:00:10]} 14. O-O {[%emt 0:17:30]} Qxd4 {[%emt 0:10:29]} 15. Qf3 {[%emt 0:00:53]} Nd5 {[%emt 0:05:52]} 16. Rad1 {[%emt 0:06:39]} Qxe5 {[%emt 0:01:40]} 17. Rfe1 {[%emt 0:00:02]} Nd4 {[%emt 0:13:32]} 18. Qd3 {[%emt 0:13:27]} Nxb3 {[%emt 0:01:36]} 19. Bxe7 {[%emt 0:00:28]} Kxe7 {[%emt 0:01:28]} 20. Qxb3 {[%emt 0:00:27]} Qc7 {[%emt 0:05:22]} 21. Qa3+ {[%emt 0:00:21]} Ke8 {[%emt 0:00:14]} 22. Nd6+ {[%emt 0:02:45]} Kf8 {[%emt 0:47:23]} 23. Nxb7+ {[%emt 0:11:24]} Qe7 {[%emt 0:00:00]} 24. Nc5 {[%emt 0:00:06]} Kg8 {[%emt 0:00:00]} 25. Rc1 {[%emt 0:02:21]} Qxh4 {[%emt 0:00:00]} 26. Ne4 {[%emt 0:00:07]} Rh6 {[%emt 0:00:00]} 27. Rxc6 {[%emt 0:00:47]} Qg4 {[%emt 0:00:00]} 28. Rc4 {[%emt 0:03:15]} Nf4 {[%emt 0:00:00]} 29. g3 {[%emt 0:00:41]} h4 {[%emt 0:00:00]} 30. f3 {[%emt 0:01:23]} Qg6 {[%emt 0:00:00]} 31. g4 {[%emt 0:00:30]} e5 {[%emt 0:00:00]} 32. Qc3 {[%emt 0:03:20]} Qb6+ {[%emt 0:00:00]} 33. Kh1 {[%emt 0:00:12]} Re6 {[%emt 0:00:00]} 34. Rc8+ {[%emt 0:01:47]} Re8 {[%emt 0:00:00]} 35. Rxa8 {[%emt 0:00:13]} Rxa8 {[%emt 0:00:00]} 36. Qxe5 {[%emt 0:00:33]} Nd3 {[%emt 0:00:00]} 37. Qd5 {[%emt 0:00:13]} Rd8 {[%emt 0:00:00]} 38. Nd6 {[%emt 0:01:36]} Nxe1 {[%emt 0:00:00]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.3"]
[White "Mareco, Sandro"]
[Black "Almeida Quintana, Omar"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2643"]
[BlackElo "2535"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,9,8,0,53,36,47,60,47,33,32,29,40,0,6,14,18,0,20,-57,-54,-46,-53,-50,-24,-25,39,0,31,-43,16,13,16,4,47,34,38,16,92,46,87,78,81,39,98,82,102,90,105,118,628,604,640,570,556,570,654,654,617]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Rg1 c6 6. g4 {[%cal Bg2g4,Bg4g5][%mdl 32] C41: Philidor Defence.} g6 (6... Qa5 $11) 7. Be3 b5 8. a3 {[#] White is slightly better.} a6 $146 ({Predecessor:} 8... Bb7 9. g5 Nh5 10. Qd2 Qc7 11. O-O-O Be7 12. Be2 Ng7 13. h4 a6 14. Rh1 O-O-O {½-½ (60) Camacho Collados,M (2409)-Movsziszian,K (2502) Ibiza 2021}) 9. g5 Nh5 10. Qd2 Be7 11. Ne2 Qc7 12. Ng3 Nxg3 13. hxg3 Bb7 14. c4 (14. O-O-O $11) 14... exd4 $15 15. Qxd4 O-O 16. Qc3 Nc5 17. Nd2 Rfe8 (17... d5 $11) 18. f4 (18. Bxc5 $5 dxc5 19. f4 $11) 18... Rad8 (18... Na4 $5 {[%cal Ra4c3]} 19. Qc2 Qd7 $14) 19. Rc1 ({White should try} 19. Bxc5 $14 dxc5 20. Be2) 19... Bf8 (19... Ne6 $1 $15) 20. Bxc5 $11 dxc5 21. e5 Rd4 (21... h5 $11 {feels stronger.}) 22. Nb3 Rdd8 23. Be2 Qe7 (23... h6 $11 {remains equal.}) 24. Rh1 ({Better is} 24. Nd2 $16) 24... h6 (24... Bc8 $14) 25. gxh6 $16 f6 {[%cal Rf6e5]} 26. Qc2 (26. Nd2 $16) 26... fxe5 (26... Qf7 $14) 27. Qxg6+ Kh8 {[#] Hoping for ...exf4.} 28. f5 $36 {[%mdl 2048] Keeping Black busy. White is much more active.} ({Much worse is} 28. h7 $6 Bg7 29. f5 e4 $11) 28... Rd6 29. Qg4 {Chess con chili.} Rxh6 $2 {[%mdl 8192] Loses the game.} (29... e4 $16) 30. Rxh6+ $18 {White is clearly winning.} Bxh6 31. Qh5 Qf8 32. g4 {[%cal Bg3g4,Bg4g5][%mdl 32]} Re7 33. g5 Qxf5 {Weighted Error Value: White=0.18 (very precise) /Black=0.54} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.4"]
[White "Cordova, Emilio"]
[Black "Alonso Rosell, Alvar"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2534"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,23,37,36,33,35,42,29,29,20,26,8,58,74,34,18,37,20,26,16,258,277,277,235,194,268,215,209,214,216,213,224,313,295,415,154,973,941,889,836,821,614,29983,29984,29984,29985,29985,29983,29983,29968,29972,29973,29972,29973,29972,29972,29970,29970,5414,5405]} 1. Nf3 e6 2. g3 b5 3. Bg2 Bb7 4. O-O a5 {[#]} 5. Re1 $146 ({Predecessor:} 5. d4 c5 6. c3 c4 7. b3 d5 8. bxc4 dxc4 9. Na3 Qb6 10. Rb1 Bxa3 11. Bxa3 Na6 {½-½ (84) Kucera,J-Slechta,J (1730) Prague 2010}) 5... Be7 6. e4 {A04: Unusual lines after 1 Nf3 and King's Indian Attack.} d6 7. d4 Nf6 8. Nbd2 {White is slightly better.} (8. d5 $5) 8... Nbd7 9. a4 b4 10. c4 bxc3 (10... e5 $1 $11) 11. bxc3 $14 c5 12. Nh4 {[%cal Bf3h4,Bh4f5,Bf5g7][%mdl 32] Strongly threatening Rb1.} cxd4 13. e5 Nd5 14. Nf5 $1 dxc3 $2 (14... exf5 $2 15. Bxd5 (15. exd6 Nxc3 16. Qh5 Nf6 $16) 15... dxe5 16. Bxb7 $18) (14... Nxe5 $11 {and Black stays safe.} 15. Nxg7+ Kd7 16. cxd4 Nd3) 15. Nxg7+ $18 Kf8 16. Nc4 h5 17. Nxh5 {Black must now prevent Qg4.} Nxe5 18. Nxe5 dxe5 19. Qg4 Ke8 20. Rxe5 Qc7 21. Ng7+ Kf8 {[#]} (21... Kd8 {was called for.} 22. Nxe6+ fxe6 23. Qxe6 Qd6) 22. Rxe6 $2 (22. Nxe6+ $1 $18 {[%mdl 512] and the rest is easy.} fxe6 23. Rxe6) 22... Nf6 $2 {[#] This costs Black the game.} (22... Qd7 $16 23. Qf5 (23. Nf5 Qxe6 24. Qg7+ Ke8 $14) 23... Rd8) 23. Rxf6 $1 {[%mdl 512]} Bxf6 24. Ba3+ Be7 25. Nf5 Bxa3 26. Qg7+ ({And not} 26. Rxa3 Rh7 27. Bxb7 {[#]} c2 $1 $17 {[%mdl 512]}) 26... Ke8 27. Qxh8+ Kd7 28. Qd4+ Kc8 29. Bxb7+ Kxb7 30. Rxa3 c2 31. Rb3+ Ka6 32. Qd3+ Ka7 33. Qe3+ Ka6 34. Rc3 {Weighted Error Value: White=0.16 (very precise) /Black=0.53} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.5"]
[White "Albornoz Cabrera, Carlos Daniel"]
[Black "Corrales Jimenez, Zenia"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2567"]
[BlackElo "2151"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,125,27,44,43,31,42,42,49,71,70,67,37,59,68,52,54,56,45,47,40,37,38,45,44,52,54,81,101,104,81,63,73,112,55,33,45,30,6,10,0,0,0,16,8,15,8,8,2,9,2,2,1,2,4,9,9,9,9,9,2,25,14,26,0,24,26,21,27,64,7,12,0,0,0,16,9,8,8,0,-7,16,0,-5,-51,-51,-36,-26,-46,-12,-33,0,0,0,0,0,0,0,0,0,0,0,0,12835,108,29994,29995]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. d4 cxd4 6. Nxd4 d6 7. Be2 Nc6 8. Be3 O-O 9. O-O Bd7 10. h3 Nxd4 11. Bxd4 Bc6 12. Qc2 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} a6 13. b4 {[#]} b6 $146 ({Predecessor:} 13... Rc8 14. Qd3 b6 15. Rac1 Rb8 16. Rfd1 b5 17. cxb5 axb5 18. Qe3 Rb7 19. Bf3 Rd7 {0-1 (36) Rodshtein,M (2653)-Vogt,L (2351) Budva 2019}) 14. Rfd1 {White is slightly better.} Nd7 15. Bxg7 {White is more active.} Kxg7 16. Rab1 a5 17. a3 $1 axb4 18. axb4 Qc7 19. Qd2 Nf6 {[%cal Bd7f6,Bf6h5,Bh5f4][%mdl 32]} 20. Qb2 Kg8 21. Bd3 e5 22. Qd2 Nh5 23. Rbc1 Nf4 24. Bf1 Rfd8 25. Nd5 Bxd5 26. cxd5 Qd7 27. g3 ({Better is} 27. Rc6 $16) 27... Nh5 $14 (27... Nxh3+ $2 28. Kh2 $18) 28. Rc6 Nf6 29. Bg2 b5 30. Qe2 Rdb8 31. Rdc1 Ne8 32. Bf1 Qa7 33. Qd3 Kg7 34. Qc3 Qa3 35. Bd3 Qxc3 36. R1xc3 Ra4 37. Rb3 Ra2 38. Kg2 Kf8 39. Kf3 Ke7 40. Ke3 f6 41. h4 Kd7 42. Rb1 Ra3 43. Kd2 Ra2+ 44. Rc2 Ra3 45. Bf1 (45. h5 $1 $14) 45... Ke7 46. Bh3 h5 47. Bf1 Kd7 48. Be2 Ke7 49. Rc3 Ra2+ 50. Ke3 Kd7 51. f4 f5 52. Rbc1 (52. fxe5 $11 {is more appropriate.} dxe5 53. Rbc1) 52... exf4+ $15 53. gxf4 fxe4 54. f5 Nf6 (54... gxf5 $5 {[%cal Rf5f4]} 55. Bxh5 Nf6 $15) 55. Rc7+ Kd8 (55... Ke8 $5 {[%cal Rf6d5]} 56. Bxb5+ Rxb5 57. Rc8+ Ke7 58. R1c7+ Nd7 59. fxg6 Rg2 $17) 56. Rf7 Nxd5+ 57. Kxe4 {Chess con chili.} gxf5+ ({Don't do} 57... Rxe2+ 58. Kxd5 Re5+ 59. Kc6 Rxf5 60. Rxf5 (60. Rd7+ Ke8 $11) 60... gxf5 61. Rf1 $14) 58. Kxd5 Rd2+ $1 59. Ke6 {[%cal Rf7f8] [#]} Rxe2+ 60. Kf6 d5 61. Rc6 Ke8 $2 {[%mdl 8192]} (61... f4 $11) 62. Rh7 $2 (62. Ra6 $18 f4 63. Rh7) 62... Ra8 $2 {[%mdl 8192] [#]} (62... Kd8 $16) 63. Rd6 {Weighted Error Value: White=0.24 (precise) /Black=0.17 (very precise)} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.6"]
[White "Henderson de La Fuente, Lance"]
[Black "Cuenca Jimenez, Jose Fernando"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2494"]
[BlackElo "2552"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,128,0,-12,0,-6,0,0,0,-8,0,-7,-8,-12,-2,-7,-14,0,0,-27,-22,-27,-29,-52,-36,-31,-15,-17,-13,-31,-19,-34,-43,-50,0,-35,-47,-47,-37,-37,-41,-45,-38,-57,-43,-64,-41,-37,-28,-45,-5,-31,-4,-20,-15,-20,-22,-30,-9,-43,-22,-18,0,0,33,-13,-7,-16,0,-16,-23,-30,-12,-20,0,-31,-7,-31,-24,-29,-29,-43,0,-39,-31,-29,-30,-36,-31,-22,-35,-51,-20,-13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Bb4+ 5. Nbd2 dxc4 6. Bg2 b5 {Prevents Qa4. E04: Open Catalan: 5 Nf3.} 7. Ne5 Nd5 8. O-O O-O 9. Qc2 Bb7 10. b3 Bc3 11. Rb1 Bxd4 12. bxc4 Bxe5 13. cxd5 Bxd5 {[#]} 14. e4 $146 ({Predecessor:} 14. Rxb5 c6 15. Rb1 f5 16. e4 fxe4 17. Ba3 Rf7 18. Bxe4 h6 19. Nc4 Nd7 20. Rbd1 Bc7 21. Bg6 Rf3 22. Be4 {½-½ (22) Taffijn,M (2101)-Velde,M (2159) ICCF email 2019}) 14... Bc6 15. Rd1 {[#] Black must now prevent Nf3.} Qe8 16. Nf3 {[%cal Bd2f3,Bf3d4,Bd4f5][%mdl 32]} Bd6 17. Nd4 e5 18. Nf5 Qe6 19. Be3 Rd8 20. Bf1 a6 21. a4 g6 (21... h6 $15) 22. Nxd6 cxd6 23. axb5 axb5 24. Bxb5 Bxb5 25. Rxb5 Nd7 $1 26. Qd3 Nf6 $1 27. Bg5 Rd7 28. Rb6 Ne8 29. Kg2 f6 30. Bd2 f5 31. Bb4 fxe4 32. Qxe4 Rad8 33. Rd2 Qf5 34. Qd5+ Qf7 (34... Kg7 {is more complex.} 35. f4 Nf6 36. Qf3 Ne4 37. Re2 d5) 35. Qe4 $1 Nf6 36. Qc6 Rc7 {[#]} 37. Qf3 (37. Rxd6 $1 $14 Re8 38. Qf3) 37... Ne8 $11 ({Don't do} 37... e4 38. Qf4 $16) 38. Qe3 ({Don't go for} 38. Bxd6 $2 Qxf3+ 39. Kxf3 Rcd7 $19) 38... Rcd7 39. Qe4 Qe6 40. Qc6 Rc7 41. Qb5 Rf7 42. h3 Kg7 43. Qc6 {[%cal Rb4d6]} Qf5 {...Rc8 is the strong threat.} 44. Rb7 Rxb7 45. Qxb7+ Qd7 (45... Rd7 $15 46. Qb8 Kf7) 46. Qf3 (46. Qb6 $5 {[%cal Rb4c3]}) 46... Rb8 47. Ba3 Rb6 48. Kh2 Qc6 49. Qd3 Qb7 {And now ...Rb3 would win.} 50. Qe2 {[%cal Oa3d6]} Qa6 51. Qe3 {The position is equal.} Rc6 52. f4 Qb6 53. Qxb6 Rxb6 54. fxe5 dxe5 {[%mdl 4096] Endgame KRB-KRN} 55. Rd7+ Kf6 56. Rxh7 Ra6 57. Be7+ Ke6 {aiming for ...Ra7.} 58. Bc5 {Prevents Ra7.} Ra2+ 59. Kg1 {Hoping for Re7+.} Nf6 60. Ra7 Rc2 61. Ra6+ Kf7 62. Ra7+ Ke6 63. Ra6+ Kf7 64. Ra7+ Ke6 {Weighted Error Value: White=0.08 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.7"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Diaz Perez, Michel Alejandro"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2461"]
[BlackElo "2459"]
[Annotator "ChessBase"]
[PlyCount "109"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:10]} e5 {[%emt 0:00:17]} 2. Nf3 {[%emt 0:00:11]} Nc6 {[%emt 0:00:06]} 3. Bc4 {[%emt 0:00:20]} Bc5 {[%emt 0:00:07]} 4. c3 {[%emt 0:00:13]} Nf6 {[%emt 0:00:11]} 5. d3 {[%emt 0:00:09]} a6 {[%emt 0:00:42]} 6. a4 {[%emt 0:00:08]} d6 {[%emt 0:00:46]} 7. O-O {[%emt 0:00:12]} Ba7 {[%emt 0:00:34]} 8. Re1 {[%emt 0:00:34]} h6 {[%emt 0:04:14]} 9. Nbd2 {[%emt 0:01:11]} Ne7 {[%emt 0:06:26]} 10. Nf1 {[%emt 0:00:57]} Ng6 {[%emt 0:00:44]} 11. Ng3 {[%emt 0:00:56]} O-O {[%emt 0:01:32]} 12. h3 {[%emt 0:06:47]} c6 {[%emt 0:07:51]} 13. Bb3 {[%emt 0:00:09]} Be6 {[%emt 0:06:39]} 14. Bc2 {[%emt 0:02:39]} Re8 {[%emt 0:03:12]} 15. d4 {[%emt 0:01:20]} Qc7 {[%emt 0:06:47]} 16. Be3 {[%emt 0:00:33]} Rad8 {[%emt 0:04:31]} 17. Qb1 {[%emt 0:01:17]} Nh7 {[%emt 0:13:40]} 18. Nf5 {[%emt 0:02:09]} Bxf5 {[%emt 0:10:12]} 19. exf5 {[%emt 0:00:09]} Ngf8 {[%emt 0:00:06]} 20. Bd3 {[%emt 0:17:55]} exd4 {[%emt 0:03:40]} 21. Nxd4 {[%emt 0:00:25]} c5 {[%emt 0:00:10]} 22. Nf3 {[%emt 0:03:07]} d5 {[%emt 0:00:04]} 23. Qc2 {[%emt 0:06:54]} Nf6 {[%emt 0:01:57]} 24. a5 {[%emt 0:10:50]} N8d7 {[%emt 0:00:55]} 25. Qa4 {[%emt 0:03:14]} Bb8 {[%emt 0:01:21]} 26. Qh4 {[%emt 0:07:32]} Re7 {[%emt 0:02:53]} 27. g3 {[%emt 0:03:15]} Rde8 {[%emt 0:00:18]} 28. Kg2 {[%emt 0:00:18]} Qc6 {[%emt 0:02:21]} 29. Qa4 {[%emt 0:03:23]} Qc8 {[%emt 0:03:07]} 30. Rad1 {[%emt 0:02:32]} Ne4 {[%emt 0:01:32]} 31. Bxe4 {[%emt 0:05:13]} Rxe4 {[%emt 0:00:46]} 32. Qb3 {[%emt 0:04:02]} Nf6 {[%emt 0:05:40]} 33. Qb6 {[%emt 0:00:50]} Nd7 {[%emt 0:03:23]} 34. Qb3 {[%emt 0:00:20]} c4 {[%emt 0:00:25]} 35. Qa4 {[%emt 0:02:08]} Nf6 {[%emt 0:00:06]} 36. Bd4 {[%emt 0:00:57]} Nh5 {[%emt 0:07:12]} 37. b3 {[%emt 0:07:42]} cxb3 {[%emt 0:02:39]} 38. Qxb3 {[%emt 0:00:41]} Qxf5 {[%emt 0:01:19]} 39. Qxb7 {[%emt 0:03:13]} Nxg3 {[%emt 0:00:57]} 40. fxg3 {[%emt 0:01:02]} Re2+ {[%emt 0:00:13]} 41. Bf2 {[%emt 0:01:27]} Bxg3 {[%emt 0:00:25]} 42. Rxe2 {[%emt 0:00:31]} Rxe2 {[%emt 0:00:01]} 43. Rf1 {[%emt 0:01:47]} Bxf2 {[%emt 0:01:24]} 44. Rxf2 {[%emt 0:00:47]} Re6 {[%emt 0:00:18]} 45. Qb8+ {[%emt 0:00:50]} Kh7 {[%emt 0:00:02]} 46. Kh2 {[%emt 0:00:40]} Re3 {[%emt 0:00:53]} 47. Qg3 {[%emt 0:00:03]} Qd3 {[%emt 0:00:42]} 48. Qf4 {[%emt 0:00:35]} Qxc3 {[%emt 0:00:37]} 49. Qxf7 {[%emt 0:00:51]} Qd3 {[%emt 0:00:23]} 50. Rg2 {[%emt 0:00:32]} Qc3 {[%emt 0:00:09]} 51. Qg6+ {[%emt 0:00:51]} Kh8 {[%emt 0:00:09]} 52. Rc2 {[%emt 0:00:35]} Re6 {[%emt 0:00:57]} 53. Qxh6+ {[%emt 0:00:38]} Rxh6 {[%emt 0:00:47]} 54. Rxc3 {[%emt 0:00:03]} Rd6 {[%emt 0:00:26]} 55. Ng5 {[%emt 0:00:37]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.8"]
[White "Meier, Georg"]
[Black "Jimenez Garcia, Emmanuel"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2631"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,53,55,50,46,44,48,41,83,36,83,97,89,84,85,71,93,85,111,108,117,96,118,118,124,115,166,136,185,171,464,459,470,471,550,568,560,555,544,521]} 1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. Bd3 Nf6 5. O-O O-O 6. Re1 Nc6 7. c3 {[%cal Bc2c3,Bc3c4,Bc4c5][%mdl 32]} e5 8. h3 Re8 9. d5 Ne7 {B07: Pirc Defence: Miscellaneous Systems.} 10. c4 Nd7 11. Nc3 f5 {has lost popularity (11...h6).} (11... Nc5 $14 {is superior.}) 12. Rb1 {[#]} (12. exf5 $16 gxf5 13. Nh4) 12... f4 $146 (12... Nc5 $14 {was preferrable.}) ({Predecessor:} 12... Nc5 13. Bc2 a5 14. a3 fxe4 15. Nxe4 Nxe4 16. Bxe4 Nf5 17. b4 axb4 18. axb4 Bd7 {½-½ (37) Joppich,U (2460)-Muller,J (2498) ICCF email 2004}) 13. b4 $16 h6 14. c5 Nf6 15. Qc2 Rf8 16. Bd2 {White is more active.} b6 17. Rec1 a6 18. Na4 Ra7 19. cxb6 cxb6 20. b5 a5 (20... Nd7 $16) 21. Qb3 Kh7 (21... Bd7 $16 22. Rc6 Nc8) 22. Rc6 $18 Nexd5 $2 (22... Nxc6 23. bxc6 b5) 23. exd5 {White is clearly winning.} e4 {[#]} 24. Nxb6 $1 Bb7 (24... Bf5 25. Nd4) 25. Nd4 {Threatens to win with Ne6.} Bxc6 26. bxc6 ({Less strong is} 26. dxc6 Qxb6 27. Ne6 Re8 $16) 26... exd3 27. Ne6 {Weighted Error Value: White=0.07 (flawless) /Black=0.43} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.9"]
[White "Fier, Alexandr"]
[Black "Noboa Silva, Kevin"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2583"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,117,0,9,0,0,6,0,0,8,0,8,19,16,2,9,16,16,22,0,33,0,81,0,68,59,86,79,87,62,58,63,97,87,96,55,86,85,113,93,100,23,80,87,124,125,161,160,125,166,167,77,128,109,113,125,718,717,702,717,537,297,308,277,293,235,1906,1653,2454,2423,29947,29940,12208,11930,11333,3119,3628,1981,1744,1000,29960,29952,3160,3179,29971,29973,29969,29971,29971,29974,29972,29973,29967,29970,29988,29989,29994,29991,29991,29991]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Bc5 9. Qd2 O-O 10. O-O-O Nxd4 11. Bxd4 a6 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} 12. Bxc5 Nxc5 13. Qd4 Qc7 {The position is equal.} 14. h4 {[%cal Bh2h4,Bh4h5,Bh5h6][%mdl 32]} b5 15. h5 Rb8 16. h6 g6 {Hoping for ...b4.} 17. a3 Bb7 18. Rh3 Rfc8 {[#]} 19. Rd2 $146 ({Predecessor:} 19. Kb1 Qe7 20. g4 Bc6 21. Na2 a5 22. c3 Nb3 23. Qf2 d4 24. cxd4 Bd5 25. Bg2 Bc4 26. Bf1 Bd5 27. Bg2 {½-½ (27) Malek,M (2184)-Zeghachov,D (2106) ICCF email 2017}) 19... Ba8 (19... Qe7 {is interesting.} 20. b4 Ne4 21. Nxe4 dxe4 22. Qd6 Qe8) 20. g4 (20. b4 {is more complex.} Ne4 21. Nxe4 dxe4 22. Qd7 Bd5 23. Qxc7 Rxc7 24. g4) 20... Nd7 {[#]} (20... Qb7 $11 {remains equal.}) 21. Re3 {White is much more active.} (21. Ne4 $1 $16) 21... Qc5 ({Better is} 21... Bc6 $11) 22. Qxc5 $14 Rxc5 23. Ne2 Nb6 24. Nd4 Nc4 25. Bxc4 dxc4 26. f5 Bd5 27. Rf2 (27. fxe6 $16 fxe6 28. Rf2) 27... Re8 28. fxg6 fxg6 29. Rf6 g5 30. Re2 (30. Kd2 $16) 30... c3 (30... Rf8 $1 $11) 31. b3 $16 Rf8 32. Ref2 {[%csl Gf2][%cal Rf6f8]} Rcc8 33. Kd1 {Strongly threatening Ke2.} Rxf6 34. Rxf6 Rf8 35. Rxf8+ Kxf8 $18 {[%mdl 4096] Endgame KB-KN} 36. Ke2 $1 {Kd3 is the strong threat.} Kf7 37. Kd3 Kg6 $2 {[%mdl 8192] Loses the game.} (37... Bg2 $16) 38. Kxc3 Kxh6 39. Kb4 Kg6 40. c4 bxc4 41. bxc4 Be4 42. Nxe6 Bf3 $2 {[#]} (42... h5) 43. Kc5 $1 ({Not} 43. Nf8+ Kh6 $18) 43... Bxg4 {[#]} 44. Kd6 $1 Bxe6 45. Kxe6 {K3P-K3P} g4 46. Kd7 g3 47. e6 {White wants to mate with e7.} g2 48. e7 g1=Q 49. e8=Q+ {KQ-KQ} Kg7 50. Qe5+ Kf7 51. Qe7+ Kg8 52. c5 {[%cal Bc4c5,Bc5c6,Bc6c7][%mdl 32] White mates.} Qd4+ 53. Qd6 Qg7+ 54. Ke8 Qf7+ 55. Kd8 Qf2 56. c6 Qb6+ 57. Ke7 h5 58. c7 Qb7 59. Kd8 {Weighted Error Value: White=0.18 (very precise) /Black=0.69} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.10"]
[White "Veiga, Jose Francisco R P N"]
[Black "Gonzalez Zamora, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2366"]
[BlackElo "2544"]
[Annotator "ChessBase"]
[PlyCount "88"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:40]} 2. g3 {[%emt 0:00:11]} g6 {[%emt 0:00:07]} 3. Bg2 {[%emt 0:00:11]} Bg7 {[%emt 0:00:05]} 4. O-O {[%emt 0:00:13]} O-O {[%emt 0:00:04]} 5. c4 {[%emt 0:00:29]} d6 {[%emt 0:00:07]} 6. d4 {[%emt 0:01:16]} Nc6 {[%emt 0:00:07]} 7. Nc3 {[%emt 0:00:17]} Bf5 {[%emt 0:00:15]} 8. b3 {[%emt 0:01:44]} Ne4 {[%emt 0:06:10]} 9. Bb2 {[%emt 0:01:18]} Nxc3 {[%emt 0:00:06]} 10. Bxc3 {[%emt 0:00:05]} Be4 {[%emt 0:00:05]} 11. Qd2 {[%emt 0:04:09]} d5 {[%emt 0:01:26]} 12. Ne5 {[%emt 0:05:25]} Nxe5 {[%emt 0:12:16]} 13. dxe5 {[%emt 0:00:56]} Bxg2 {[%emt 0:00:15]} 14. Kxg2 {[%emt 0:00:07]} dxc4 {[%emt 0:00:56]} 15. Qxd8 {[%emt 0:00:11]} Rfxd8 {[%emt 0:00:15]} 16. bxc4 {[%emt 0:00:27]} Kf8 {[%emt 0:01:45]} 17. Rab1 {[%emt 0:01:13]} b6 {[%emt 0:01:17]} 18. Rfd1 {[%emt 0:00:43]} Ke8 {[%emt 0:01:47]} 19. Kf3 {[%emt 0:00:33]} a6 {[%emt 0:00:32]} 20. a4 {[%emt 0:02:33]} Rxd1 {[%emt 0:00:42]} 21. Rxd1 {[%emt 0:00:02]} e6 {[%emt 0:00:06]} 22. Ke4 {[%emt 0:02:18]} Bf8 {[%emt 0:00:29]} 23. Bd4 {[%emt 0:06:15]} Rd8 {[%emt 0:00:27]} 24. Rd3 {[%emt 0:03:35]} h5 {[%emt 0:01:35]} 25. h3 {[%emt 0:02:00]} Rb8 {[%emt 0:00:10]} 26. Rb3 {[%emt 0:01:21]} Be7 {[%emt 0:03:39]} 27. g4 {[%emt 0:02:39]} hxg4 {[%emt 0:03:05]} 28. hxg4 {[%emt 0:00:02]} c5 {[%emt 0:04:59]} 29. Bb2 {[%emt 0:02:50]} Rb7 {[%emt 0:02:22]} 30. Bc1 {[%emt 0:08:18]} Kd8 {[%emt 0:09:07]} 31. Rf3 {[%emt 0:03:33]} Rd7 {[%emt 0:01:47]} 32. Rd3 {[%emt 0:02:20]} Kc7 {[%emt 0:00:10]} 33. Rxd7+ {[%emt 0:00:56]} Kxd7 {[%emt 0:00:05]} 34. Kd3 {[%emt 0:03:41]} Kc6 {[%emt 0:01:35]} 35. Kc2 {[%emt 0:00:19]} Bh4 {[%emt 0:00:23]} 36. Be3 {[%emt 0:00:48]} Bd8 {[%emt 0:00:23]} 37. Bd2 {[%emt 0:03:17]} Bc7 {[%emt 0:00:29]} 38. Bc3 {[%emt 0:01:08]} b5 {[%emt 0:00:10]} 39. Kb3 {[%emt 0:00:16]} Bd8 {[%emt 0:02:42]} 40. Bd2 {[%emt 0:02:54]} Bb6 {[%emt 0:01:31]} 41. g5 {[%emt 0:01:25]} Bd8 {[%emt 0:02:05]} 42. f4 {[%emt 0:00:19]} Bc7 {[%emt 0:02:05]} 43. Be1 {[%emt 0:00:34]} Bd8 {[%emt 0:00:17]} 44. Bd2 {[%emt 0:00:07]} Bc7 {[%emt 0:43:52]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.11"]
[White "Sanchez Alvarez, Roberto Carlos"]
[Black "Rodriguez Vila, Andres"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2407"]
[BlackElo "2461"]
[Annotator "ChessBase"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:15]} e6 {[%emt 0:00:18]} 2. c4 {[%emt 0:00:34]} Nf6 {[%emt 0:00:50]} 3. Nc3 {[%emt 0:00:12]} Bb4 {[%emt 0:00:05]} 4. Nf3 {[%emt 0:02:24]} O-O {[%emt 0:00:24]} 5. Qc2 {[%emt 0:00:26]} d6 {[%emt 0:00:50]} 6. g3 {[%emt 0:12:58]} c5 {[%emt 0:03:58]} 7. dxc5 {[%emt 0:06:45]} dxc5 {[%emt 0:00:22]} 8. Bd2 {[%emt 0:00:01]} Nc6 {[%emt 0:00:52]} 9. a3 {[%emt 0:00:03]} Ba5 {[%emt 0:00:51]} 10. e3 {[%emt 0:00:47]} e5 {[%emt 0:01:53]} 11. Bg2 {[%emt 0:03:17]} Be6 {[%emt 0:00:16]} 12. b3 {[%emt 0:00:47]} Qc8 {[%emt 0:01:00]} 13. O-O {[%emt 0:00:32]} Rd8 {[%emt 0:02:08]} 14. Rfd1 {[%emt 0:00:39]} Bf5 {[%emt 0:01:10]} 15. Qb2 {[%emt 0:01:50]} Bg4 {[%emt 0:04:17]} 16. Nd5 {[%emt 0:01:25]} Bxd2 {[%emt 0:16:42]} 17. Rxd2 {[%emt 0:11:04]} Qf5 {[%emt 0:07:33]} 18. Nh4 {[%emt 0:06:35]} Qh5 {[%emt 0:00:08]} 19. h3 {[%emt 0:04:58]} Be6 {[%emt 0:00:17]} 20. Rad1 {[%emt 0:00:11]} Rdc8 {[%emt 0:15:14]} 21. f4 {[%emt 0:16:30]} Nd7 {[%emt 0:06:06]} 22. Nc3 {[%emt 0:06:04]} exf4 {[%emt 0:02:07]} 23. exf4 {[%emt 0:00:33]} Nb6 {[%emt 0:01:41]} 24. Ne4 {[%emt 0:01:55]} Rab8 {[%emt 0:06:02]} 25. Bf3 {[%emt 0:03:41]} Qh6 {[%emt 0:00:21]} 26. Nxc5 {[%emt 0:00:49]} Bxh3 {[%emt 0:06:36]} 27. Rd6 {[%emt 0:00:27]} Be6 {[%emt 0:02:45]} 28. Bxc6 {[%emt 0:00:21]} bxc6 {[%emt 0:00:14]} 29. Nf5 {[%emt 0:00:14]} Bxf5 {[%emt 0:05:12]} 30. Re6 {[%emt 0:00:10]} Qxe6 {[%emt 0:00:03]} 31. Qf6 {[%emt 0:01:59]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.12"]
[White "Ibarra Chami, Luis Fernando"]
[Black "Martin Del Campo Cardenas, Roberto Abel"]
[Result "1-0"]
[WhiteElo "2451"]
[BlackElo "2250"]
[Annotator "ChessBase"]
[PlyCount "1"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:07:38]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.13"]
[White "Avila Rodriguez, Joshua Ad"]
[Black "Berdayes Ason, Dylan Isidro"]
[Result "1-0"]
[WhiteElo "2182"]
[BlackElo "2445"]
[Annotator "NA"]
[PlyCount "1"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:07:21]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.14"]
[White "Quesada Perez, Luis Ernesto"]
[Black "Sandoval Mercado, Carlos"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "2517"]
[BlackElo "2289"]
[Annotator "ChessBase"]
[PlyCount "47"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:08]} 2. c4 {[%emt 0:00:06]} g6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:06]} Bg7 {[%emt 0:00:09]} 4. e4 {[%emt 0:00:06]} d6 {[%emt 0:00:06]} 5. f4 {[%emt 0:00:15]} O-O {[%emt 0:02:46]} 6. Nf3 {[%emt 0:00:05]} c5 {[%emt 0:00:05]} 7. d5 {[%emt 0:00:04]} e6 {[%emt 0:00:03]} 8. dxe6 {[%emt 0:00:05]} fxe6 {[%emt 0:00:21]} 9. Bd3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:04]} 10. O-O {[%emt 0:00:07]} Nd4 {[%emt 0:00:46]} 11. Nxd4 {[%emt 0:00:36]} cxd4 {[%emt 0:00:10]} 12. Nb5 {[%emt 0:00:01]} a6 {[%emt 0:09:28]} 13. Nxd4 {[%emt 0:00:02]} Qb6 {[%emt 0:01:55]} 14. Be3 {[%emt 0:00:02]} Ng4 {[%emt 0:01:13]} 15. Qxg4 {[%emt 0:00:02]} Bxd4 {[%emt 0:00:07]} 16. Bf2 {[%emt 0:00:02]} Qxb2 {[%emt 0:08:54]} 17. Rad1 {[%emt 0:00:01]} e5 {[%emt 0:10:40]} 18. f5 {[%emt 0:00:07]} Kh8 {[%emt 0:00:04]} 19. Qh4 {[%emt 0:01:33]} Qb6 {[%emt 0:34:17]} 20. Kh1 {[%emt 0:02:53]} Bxf2 {[%emt 0:02:52]} 21. Rxf2 {[%emt 0:00:02]} Rf7 {[%emt 0:00:26]} 22. fxg6 {[%emt 0:03:07]} Qxf2 {[%emt 0:03:59]} 23. gxf7 {[%emt 0:00:01]} Qxf7 {[%emt 0:00:08]} 24. Rf1 {[%emt 1:33:01]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.15"]
[White "Dominguez Aguilar, Guillermo"]
[Black "Perez Gormaz, Matias"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2321"]
[BlackElo "2404"]
[Annotator "NA"]
[PlyCount "65"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:13:59]} c5 {[%emt 0:00:08]} 2. Nc3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:08]} 3. f4 {[%emt 0:00:06]} g6 {[%emt 0:00:13]} 4. Nf3 {[%emt 0:00:24]} Bg7 {[%emt 0:00:10]} 5. Bb5 {[%emt 0:00:26]} Nd4 {[%emt 0:00:10]} 6. O-O {[%emt 0:00:54]} Nxb5 {[%emt 0:15:58]} 7. Nxb5 {[%emt 0:00:35]} d5 {[%emt 0:00:49]} 8. exd5 {[%emt 0:00:37]} a6 {[%emt 0:00:06]} 9. Nc3 {[%emt 0:01:24]} Nf6 {[%emt 0:00:08]} 10. d4 {[%emt 0:00:24]} c4 {[%emt 0:10:36]} 11. Ne5 {[%emt 0:06:43]} Nxd5 {[%emt 0:00:22]} 12. Qe2 $11 {[%emt 0:04:45]} Nxc3 {[%emt 0:19:20]} 13. bxc3 {[%emt 0:00:35]} Be6 {[%emt 0:00:02]} 14. Rb1 {[%emt 0:02:57]} Qc7 {[%emt 0:10:23]} 15. Qe4 {[%emt 0:16:33]} Rb8 {[%emt 0:07:37]} 16. Ba3 {[%emt 0:00:41]} O-O {[%emt 0:00:32]} 17. Bc5 {[%emt 0:00:35]} b6 {[%emt 0:02:47]} 18. Ba3 {[%emt 0:00:21]} Rbc8 {[%emt 0:00:54]} 19. d5 {[%emt 0:01:47]} Bf5 {[%emt 0:02:16]} 20. Qe3 {[%emt 0:00:28]} b5 {[%emt 0:04:48]} 21. Nc6 {[%emt 0:02:22]} Bf6 {[%emt 0:00:02]} 22. Nxe7+ {[%emt 0:02:28]} Bxe7 {[%emt 0:00:04]} 23. Bxe7 {[%emt 0:02:13]} Rfe8 {[%emt 0:00:04]} 24. Rbe1 {[%emt 0:00:18]} Bxc2 {[%emt 0:03:22]} 25. d6 {[%emt 0:01:08]} Qd7 {[%emt 0:00:06]} 26. Rf2 {[%emt 0:00:41]} Bf5 {[%emt 0:00:14]} 27. h3 {[%emt 0:00:41]} h5 {[%emt 0:04:23]} 28. Qd4 {[%emt 0:09:02]} Rc6 {[%emt 0:01:37]} 29. Re5 {[%emt 0:00:46]} b4 {[%emt 0:07:36]} 30. g4 {[%emt 0:02:33]} hxg4 {[%emt 0:00:03]} 31. hxg4 {[%emt 0:00:06]} Bd3 {[%emt 0:00:42]} 32. f5 {[%emt 0:00:46]} f6 {[%emt 0:00:01]} 33. Re6 {[%emt 0:02:15]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.16"]
[White "Valdes Romero, Leonardo"]
[Black "Estrada Nieto, Julian"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2404"]
[BlackElo "2253"]
[Annotator "NA"]
[PlyCount "34"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:50]} d5 {[%emt 0:06:48]} 2. d4 {[%emt 0:02:08]} Nf6 {[%emt 0:00:07]} 3. e3 {[%emt 0:00:04]} e6 {[%emt 0:01:11]} 4. Nbd2 {[%emt 0:01:25]} c5 {[%emt 0:09:16]} 5. c3 {[%emt 0:00:58]} Nc6 {[%emt 0:02:03]} 6. Bd3 {[%emt 0:00:09]} Bd6 {[%emt 0:02:24]} 7. O-O {[%emt 0:00:54]} O-O {[%emt 0:00:08]} 8. dxc5 {[%emt 0:02:09]} Bxc5 {[%emt 0:00:37]} 9. e4 {[%emt 0:00:05]} Qc7 {[%emt 0:16:41]} 10. Qe2 {[%emt 0:00:54]} Ne5 {[%emt 0:01:53]} (10... b6 $11) 11. Nxe5 {[%emt 0:04:05]} Qxe5 {[%emt 0:00:04]} 12. Nf3 {[%emt 0:00:05]} Qh5 {[%emt 0:00:21]} 13. e5 $1 {[%emt 0:00:25]} Nd7 $14 {[%emt 0:00:19]} 14. h3 {[%emt 0:10:40]} f6 {[%emt 0:01:19]} 15. exf6 {[%emt 0:00:19]} Nxf6 {[%emt 0:54:49]} 16. Bf4 {[%emt 1:13:20]} Bd7 {[%emt 0:00:30]} 17. Bc1 {[%emt 0:00:30]} Bc8 {[%emt 0:00:30]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.17"]
[White "Diaz Rosas, Julio Cesar"]
[Black "Tapie Amione, Pablo Adib"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2393"]
[BlackElo "2241"]
[Annotator "NA"]
[PlyCount "24"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:14]} c5 {[%emt 0:10:20]} 2. Nf3 {[%emt 0:00:09]} d6 {[%emt 0:00:20]} 3. Bb5+ {[%emt 0:00:08]} Bd7 {[%emt 0:00:07]} 4. Bxd7+ {[%emt 0:00:09]} Nxd7 {[%emt 0:00:07]} 5. O-O {[%emt 0:00:08]} Ngf6 {[%emt 0:00:04]} 6. Re1 {[%emt 0:00:07]} e6 {[%emt 0:00:28]} 7. c3 {[%emt 0:00:10]} Be7 {[%emt 0:00:10]} 8. d4 {[%emt 0:00:08]} O-O {[%emt 0:00:12]} 9. a4 {[%emt 0:00:10]} Rc8 {[%emt 0:11:04]} 10. Nbd2 {[%emt 0:00:21]} a6 {[%emt 0:06:57]} 11. Qe2 {[%emt 0:09:18]} Qc7 {[%emt 0:06:50]} 12. a5 $15 {[%emt 0:14:32]} cxd4 {[%emt 0:03:08]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.18"]
[White "Miranda Rodriguez, Tania"]
[Black "Leon Valdes, Jony Wilson"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "2174"]
[BlackElo "2392"]
[Annotator "NA"]
[PlyCount "76"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} e6 {[%emt 0:04:15]} 2. d4 {[%emt 0:00:07]} d5 {[%emt 0:00:05]} 3. Nd2 {[%emt 0:00:21]} a5 {[%emt 0:01:13]} 4. a4 {[%emt 0:00:24]} Nf6 {[%emt 0:04:04]} 5. e5 {[%emt 0:00:55]} Nfd7 {[%emt 0:00:05]} 6. f4 {[%emt 0:01:45]} c5 {[%emt 0:00:13]} 7. c3 {[%emt 0:00:52]} Nc6 {[%emt 0:00:14]} 8. Ndf3 {[%emt 0:01:03]} Qb6 {[%emt 0:01:57]} 9. g3 {[%emt 0:01:57]} cxd4 {[%emt 0:01:16]} 10. cxd4 {[%emt 0:00:07]} f6 {[%emt 0:00:06]} 11. Bd3 {[%emt 0:01:59]} Nb4 {[%emt 0:01:55]} 12. Bb1 {[%emt 0:02:00]} Be7 {[%emt 0:06:04]} 13. Kf1 {[%emt 0:04:11]} Nb8 {[%emt 0:00:59]} 14. Kg2 {[%emt 0:01:16]} N8c6 {[%emt 0:01:23]} 15. h4 {[%emt 0:01:57]} Bd7 {[%emt 0:00:07]} 16. h5 {[%emt 0:06:57]} O-O-O {[%emt 0:02:39]} 17. Ne2 $11 {[%emt 0:04:47]} Kb8 {[%emt 0:09:43]} 18. h6 {[%emt 0:07:41]} g6 {[%emt 0:01:29]} 19. exf6 {[%emt 0:02:37]} Bxf6 {[%emt 0:00:05]} 20. Ne5 {[%emt 0:02:52]} Be8 {[%emt 0:01:31]} 21. Ra3 {[%emt 0:01:42]} Ka8 {[%emt 0:04:09]} 22. Be3 {[%emt 0:05:20]} Rf8 {[%emt 0:14:49]} 23. Rf1 {[%emt 0:07:20]} Ne7 {[%emt 0:02:36]} 24. g4 {[%emt 0:04:21]} Nc8 {[%emt 0:00:15]} 25. Rc3 {[%emt 0:06:32]} Nd6 {[%emt 0:00:42]} 26. b3 {[%emt 0:00:54]} Ne4 {[%emt 0:04:50]} 27. Bxe4 {[%emt 0:03:58]} dxe4 {[%emt 0:01:26]} 28. Ng3 {[%emt 0:05:36]} Nd5 {[%emt 0:02:30]} 29. Qc1 {[%emt 0:04:14]} Nxc3 {[%emt 0:04:43]} 30. Qxc3 {[%emt 0:00:04]} Bxe5 {[%emt 0:02:07]} 31. dxe5 {[%emt 0:04:56]} Qb4 {[%emt 0:00:22]} 32. Qc7 {[%emt 0:05:34]} Bc6 {[%emt 0:00:21]} 33. Qxh7 {[%emt 0:01:59]} Qc3 {[%emt 0:07:39]} 34. Kf2 {[%emt 0:02:47]} Rd2+ {[%emt 0:12:44]} 35. Ne2 {[%emt 0:01:44]} Rxe2+ {[%emt 0:00:36]} 36. Kxe2 {[%emt 0:00:11]} Qc2+ {[%emt 0:00:05]} 37. Bd2 {[%emt 0:01:48]} Qd3+ {[%emt 0:00:49]} 38. Ke1 {[%emt 0:00:32]} e3 {[%emt 0:00:14]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.19"]
[White "Gemy, Jose Daniel"]
[Black "Hernandez Jimenez, Alexander Andres"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2381"]
[BlackElo "2167"]
[Annotator "NA"]
[PlyCount "79"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:02:13]} c5 {[%emt 0:03:00]} 2. Nf3 {[%emt 0:00:09]} g6 {[%emt 0:01:00]} 3. c3 {[%emt 0:00:09]} Bg7 {[%emt 0:01:51]} 4. d4 {[%emt 0:00:07]} cxd4 {[%emt 0:02:27]} 5. cxd4 {[%emt 0:00:03]} d5 {[%emt 0:00:27]} 6. e5 {[%emt 0:00:22]} Nc6 {[%emt 0:01:53]} 7. Bb5 {[%emt 0:00:19]} Bg4 {[%emt 0:01:12]} 8. Bxc6+ {[%emt 0:00:16]} bxc6 {[%emt 0:00:03]} 9. Nbd2 {[%emt 0:02:00]} Nh6 {[%emt 0:10:49]} 10. Nb3 {[%emt 0:02:39]} f6 {[%emt 0:11:46]} 11. exf6 {[%emt 0:09:08]} exf6 {[%emt 0:00:09]} 12. O-O {[%emt 0:00:07]} O-O {[%emt 0:00:12]} 13. h3 {[%emt 0:00:04]} Bxf3 $14 {[%emt 0:10:23]} 14. Qxf3 {[%emt 0:00:04]} Nf5 {[%emt 0:00:05]} 15. Bf4 {[%emt 0:01:30]} Qb6 {[%emt 0:03:42]} 16. Qc3 {[%emt 0:03:38]} Rfe8 {[%emt 0:02:36]} 17. Rac1 {[%emt 0:04:28]} Re4 {[%emt 0:03:43]} 18. Bd2 {[%emt 0:04:35]} Rc8 {[%emt 0:05:18]} 19. Rce1 {[%emt 0:09:36]} Rce8 {[%emt 0:03:53]} 20. Nc5 {[%emt 0:10:48]} Rxe1 {[%emt 0:00:13]} 21. Rxe1 {[%emt 0:00:10]} Rxe1+ {[%emt 0:00:06]} 22. Bxe1 {[%emt 0:00:03]} Qb5 {[%emt 0:05:30]} 23. g4 {[%emt 0:03:33]} Nd6 {[%emt 0:06:21]} 24. Qe3 {[%emt 0:00:17]} Ne4 {[%emt 0:01:06]} 25. Nxe4 {[%emt 0:00:41]} dxe4 {[%emt 0:00:02]} 26. Qxe4 {[%emt 0:00:13]} Kf7 {[%emt 0:02:22]} 27. Bc3 {[%emt 0:01:57]} f5 {[%emt 0:00:20]} 28. Qf4 {[%emt 0:00:12]} h5 {[%emt 0:07:20]} 29. gxh5 {[%emt 0:04:06]} gxh5 {[%emt 0:00:04]} 30. Qg5 {[%emt 0:00:12]} Bf6 {[%emt 0:03:38]} 31. Qxh5+ {[%emt 0:00:21]} Kg7 {[%emt 0:00:01]} 32. Qf3 {[%emt 0:00:28]} Kg6 {[%emt 0:00:07]} 33. Qg3+ {[%emt 0:00:21]} Kh5 {[%emt 0:01:16]} 34. Qc7 {[%emt 0:00:53]} Qd3 {[%emt 0:03:23]} 35. Qf7+ {[%emt 0:01:18]} Kg5 {[%emt 0:00:02]} 36. h4+ {[%emt 0:00:34]} Kg4 {[%emt 0:01:55]} 37. Qxf6 {[%emt 0:00:41]} Kh3 {[%emt 0:00:38]} 38. Qe5 {[%emt 0:03:06]} Qd1+ {[%emt 0:00:10]} 39. Be1 {[%emt 0:03:16]} f4 {[%emt 0:00:48]} 40. Qe6+ {[%emt 0:00:05]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.20"]
[White "Santos, Jose Guilherme B Lim"]
[Black "Real Pereyra, Jeronimo"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2363"]
[BlackElo "2147"]
[Annotator "NA"]
[PlyCount "129"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:19:45]} 2. c4 {[%emt 0:00:29]} e6 {[%emt 0:00:13]} 3. Nf3 {[%emt 0:00:07]} d5 {[%emt 0:00:04]} 4. Nc3 {[%emt 0:00:15]} Be7 {[%emt 0:00:05]} 5. Bf4 {[%emt 0:00:06]} O-O {[%emt 0:00:06]} 6. e3 {[%emt 0:00:05]} b6 {[%emt 0:00:06]} 7. a3 {[%emt 0:03:38]} c5 $11 {[%emt 0:09:41]} 8. Qc2 {[%emt 0:04:08]} Nc6 {[%emt 0:05:42]} 9. Rd1 {[%emt 0:00:39]} cxd4 {[%emt 0:01:08]} 10. Nxd4 {[%emt 0:00:13]} Nxd4 {[%emt 0:00:58]} 11. Rxd4 {[%emt 0:00:04]} Bb7 {[%emt 0:03:42]} 12. cxd5 {[%emt 0:00:10]} exd5 {[%emt 0:02:08]} 13. Be2 {[%emt 0:00:29]} Qc8 {[%emt 0:03:10]} 14. Qb3 {[%emt 0:13:26]} Bc5 {[%emt 0:02:03]} 15. Rd1 {[%emt 0:00:46]} Qf5 {[%emt 0:04:19]} 16. Nb5 {[%emt 0:03:39]} d4 {[%emt 0:16:32]} 17. Nxd4 {[%emt 0:03:56]} Bxd4 {[%emt 0:00:10]} 18. Rxd4 {[%emt 0:00:05]} Bxg2 {[%emt 0:00:36]} 19. Rg1 {[%emt 0:00:12]} Qh3 {[%emt 0:12:14]} 20. f3 {[%emt 0:07:07]} Rad8 {[%emt 0:01:41]} 21. Rxd8 {[%emt 0:24:56]} Rxd8 {[%emt 0:00:16]} 22. Bc7 {[%emt 0:11:06]} Rc8 {[%emt 0:03:01]} 23. Bg3 {[%emt 0:00:17]} h5 {[%emt 0:01:49]} 24. Qa4 {[%emt 0:02:21]} Qe6 {[%emt 0:07:35]} 25. Kf2 {[%emt 0:00:10]} Bh3 {[%emt 0:00:28]} 26. Rd1 {[%emt 0:02:01]} Bf5 {[%emt 0:03:20]} 27. Rd2 {[%emt 0:01:56]} Re8 {[%emt 0:01:36]} 28. Qd4 {[%emt 0:00:04]} Bg6 {[%emt 0:00:58]} 29. Bh4 {[%emt 0:01:10]} Qh3 {[%emt 0:00:16]} 30. Bg3 {[%emt 0:00:27]} Qe6 {[%emt 0:00:36]} 31. Bc4 {[%emt 0:00:09]} Qh3 {[%emt 0:00:17]} 32. Bf1 {[%emt 0:00:15]} Qe6 {[%emt 0:00:06]} 33. Bh4 {[%emt 0:00:24]} Qf5 {[%emt 0:01:13]} 34. Kg2 {[%emt 0:01:54]} Qe6 {[%emt 0:00:31]} 35. Bf2 {[%emt 0:01:34]} Qf5 {[%emt 0:00:28]} 36. Qh4 {[%emt 0:02:38]} Qa5 {[%emt 0:00:33]} 37. Be1 {[%emt 0:02:03]} Qc5 {[%emt 0:00:18]} 38. Bf2 {[%emt 0:00:30]} Qa5 {[%emt 0:00:04]} 39. Rd4 {[%emt 0:06:07]} Qe5 {[%emt 0:00:44]} 40. Qg3 {[%emt 0:01:07]} Qa5 {[%emt 0:00:30]} 41. h4 {[%emt 0:00:25]} Qc5 {[%emt 0:00:49]} 42. Bc4 {[%emt 0:00:20]} Kh7 {[%emt 0:00:23]} 43. e4 {[%emt 0:01:45]} Qc6 {[%emt 0:00:39]} 44. Qg5 {[%emt 0:00:55]} Qc7 {[%emt 0:00:14]} 45. Bg3 {[%emt 0:00:38]} Qc8 {[%emt 0:00:20]} 46. e5 {[%emt 0:01:06]} Qc5 {[%emt 0:00:43]} 47. Qd2 {[%emt 0:00:33]} Ng8 {[%emt 0:00:58]} 48. b4 {[%emt 0:00:04]} Qc8 {[%emt 0:00:16]} 49. Bb5 {[%emt 0:00:05]} Rf8 {[%emt 0:00:14]} 50. Rd7 {[%emt 0:01:37]} Nh6 {[%emt 0:01:09]} 51. Rxa7 {[%emt 0:01:51]} Nf5 {[%emt 0:00:02]} 52. Rd7 {[%emt 0:00:43]} Nxg3 {[%emt 0:01:00]} 53. Kxg3 {[%emt 0:00:05]} Qa8 {[%emt 0:00:35]} 54. Qe3 {[%emt 0:00:06]} Re8 {[%emt 0:00:18]} 55. Rd6 {[%emt 0:00:09]} Re6 {[%emt 0:00:24]} 56. a4 {[%emt 0:01:30]} Qb8 {[%emt 0:00:08]} 57. Qd4 {[%emt 0:00:28]} Qc7 {[%emt 0:00:17]} 58. Bc4 {[%emt 0:00:23]} Re8 {[%emt 0:00:48]} 59. Rxb6 {[%emt 0:03:00]} f6 {[%emt 0:01:00]} 60. Qc5 {[%emt 0:01:07]} Qd8 {[%emt 0:00:40]} 61. Rd6 {[%emt 0:00:43]} Qa8 {[%emt 0:00:26]} 62. exf6 {[%emt 0:00:42]} Qb8 {[%emt 0:00:14]} 63. Qb6 {[%emt 0:00:10]} Qa8 {[%emt 0:00:10]} 64. Qc7 {[%emt 0:00:11]} Rg8 {[%emt 0:00:25]} 65. Bxg8+ {[%emt 0:00:05]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.21"]
[White "Perez Garcia, Rodney Oscar"]
[Black "Ruiz Perez, Juan Octavio"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2331"]
[BlackElo "2074"]
[Annotator "NA"]
[PlyCount "29"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:13]} d6 {[%emt 0:00:07]} 3. Bb5+ {[%emt 0:00:21]} Nd7 {[%emt 0:00:18]} 4. d4 {[%emt 0:00:29]} cxd4 {[%emt 0:00:18]} 5. Qxd4 $11 {[%emt 0:00:30]} a6 {[%emt 0:00:19]} 6. Bxd7+ {[%emt 0:00:35]} Bxd7 {[%emt 0:00:08]} 7. O-O {[%emt 0:02:25]} e5 {[%emt 0:00:07]} 8. Qd3 {[%emt 0:00:11]} h6 {[%emt 0:01:30]} 9. c4 {[%emt 0:00:26]} Nf6 {[%emt 0:00:35]} 10. Nc3 {[%emt 0:00:18]} Rc8 {[%emt 0:00:25]} 11. a4 {[%emt 0:01:47]} Qc7 {[%emt 0:01:19]} 12. b3 {[%emt 0:00:24]} Be7 {[%emt 0:04:39]} 13. Ba3 {[%emt 0:00:37]} Bc6 {[%emt 0:01:48]} 14. Rfd1 {[%emt 0:00:21]} Rd8 {[%emt 0:02:31]} 15. Nd2 {[%emt 0:00:20]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.22"]
[White "Perez Rodriguez, Luis Manuel"]
[Black "Zacarias Rodriguez, Santiago"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2324"]
[BlackElo "1896"]
[Annotator "NA"]
[PlyCount "205"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} c5 {[%emt 0:08:14]} 2. c3 {[%emt 0:00:59]} d5 {[%emt 0:00:52]} 3. exd5 {[%emt 0:00:06]} Qxd5 {[%emt 0:00:13]} 4. d4 {[%emt 0:00:06]} Nc6 {[%emt 0:00:53]} 5. Nf3 {[%emt 0:00:48]} e6 {[%emt 0:02:33]} 6. Be3 {[%emt 0:07:14]} cxd4 {[%emt 0:05:17]} 7. cxd4 {[%emt 0:01:09]} Nf6 {[%emt 0:00:54]} 8. Nc3 {[%emt 0:00:29]} Qa5 {[%emt 0:06:09]} 9. a3 {[%emt 0:05:16]} Nd5 {[%emt 0:11:54]} 10. Bd2 {[%emt 0:04:38]} Be7 $14 {[%emt 0:04:03]} 11. Bd3 {[%emt 0:11:40]} Qd8 {[%emt 0:06:25]} 12. O-O {[%emt 0:00:36]} Bf6 {[%emt 0:07:05]} 13. Qe2 {[%emt 0:05:01]} Nxc3 {[%emt 0:03:48]} 14. bxc3 {[%emt 0:00:37]} Qd6 {[%emt 0:10:14]} 15. Rfe1 {[%emt 0:02:00]} Bd7 {[%emt 0:01:28]} 16. a4 {[%emt 0:04:02]} b6 {[%emt 0:03:30]} 17. Qe4 {[%emt 0:03:20]} Be7 {[%emt 0:01:41]} 18. Qg4 {[%emt 0:08:55]} f5 {[%emt 0:03:52]} 19. Qxg7 {[%emt 0:02:16]} O-O-O {[%emt 0:00:03]} 20. Qh6 {[%emt 0:00:08]} Kb7 {[%emt 0:05:36]} 21. a5 {[%emt 0:09:32]} Bf8 {[%emt 0:01:37]} 22. Qe3 {[%emt 0:03:09]} bxa5 {[%emt 0:01:07]} 23. Ne5 {[%emt 0:02:44]} Nxe5 {[%emt 0:00:40]} 24. dxe5 {[%emt 0:00:06]} Qc5 {[%emt 0:00:12]} 25. Reb1+ {[%emt 0:07:09]} Kc7 {[%emt 0:03:13]} 26. Ba6 {[%emt 0:03:17]} Bc6 {[%emt 0:07:41]} 27. Rxa5 {[%emt 0:00:54]} Qxe3 {[%emt 0:00:23]} 28. Bxe3 {[%emt 0:00:06]} Rd5 {[%emt 0:02:32]} 29. Bxa7 {[%emt 0:03:05]} Rxa5 {[%emt 0:00:30]} 30. Bb6+ {[%emt 0:00:05]} Kd7 {[%emt 0:00:04]} 31. Bxa5 {[%emt 0:00:12]} Bc5 {[%emt 0:00:38]} 32. Bb4 {[%emt 0:01:22]} Bb6 {[%emt 0:02:08]} 33. Rd1+ {[%emt 0:00:58]} Kc7 {[%emt 0:00:35]} 34. Bd6+ {[%emt 0:00:05]} Kd7 {[%emt 0:00:08]} 35. Bc4 {[%emt 0:00:55]} Rg8 {[%emt 0:00:21]} 36. g3 {[%emt 0:00:50]} Bf3 {[%emt 0:00:22]} 37. Bb5+ {[%emt 0:02:22]} Kc8 {[%emt 0:00:09]} 38. Rd2 {[%emt 0:00:45]} f4 {[%emt 0:00:18]} 39. Ba6+ {[%emt 0:00:14]} Bb7 {[%emt 0:00:21]} 40. Bxb7+ {[%emt 0:00:18]} Kxb7 {[%emt 0:00:01]} 41. Kg2 {[%emt 0:00:21]} fxg3 {[%emt 0:00:04]} 42. hxg3 {[%emt 0:00:17]} Rg6 {[%emt 0:00:11]} 43. Bb4 {[%emt 0:00:31]} Kc7 {[%emt 0:00:47]} 44. c4 {[%emt 0:00:38]} Rg4 {[%emt 0:00:09]} 45. Bd6+ {[%emt 0:01:13]} Kc6 {[%emt 0:00:22]} 46. c5 {[%emt 0:00:23]} Ba5 {[%emt 0:00:19]} 47. Ra2 {[%emt 0:00:08]} Bb4 {[%emt 0:00:09]} 48. Ra7 {[%emt 0:03:40]} h6 {[%emt 0:00:49]} 49. Rf7 {[%emt 0:02:21]} Kd5 {[%emt 0:00:09]} 50. Kf3 {[%emt 0:00:48]} Rc4 {[%emt 0:00:17]} 51. Rh7 {[%emt 0:01:11]} Bxc5 {[%emt 0:01:18]} 52. Bxc5 {[%emt 0:00:16]} Rxc5 {[%emt 0:00:05]} 53. Rxh6 {[%emt 0:00:17]} Rc3+ {[%emt 0:00:02]} 54. Kf4 {[%emt 0:01:08]} Rc4+ {[%emt 0:00:14]} 55. Kg5 {[%emt 0:00:57]} Kxe5 {[%emt 0:00:05]} 56. f4+ {[%emt 0:00:25]} Kd5 {[%emt 0:00:59]} 57. Rh1 {[%emt 0:00:26]} Rc8 {[%emt 0:01:12]} 58. Kg4 {[%emt 0:01:07]} Kd6 {[%emt 0:01:05]} 59. Re1 {[%emt 0:00:59]} Rc5 {[%emt 0:00:39]} 60. Re3 {[%emt 0:00:14]} Rf5 {[%emt 0:02:22]} 61. Re1 {[%emt 0:00:23]} Ke7 {[%emt 0:00:17]} 62. Rh1 {[%emt 0:00:05]} Ra5 {[%emt 0:00:53]} 63. Rh5 {[%emt 0:00:35]} Ra4 {[%emt 0:00:23]} 64. Kg5 {[%emt 0:01:01]} Ra8 {[%emt 0:00:57]} 65. Rh7+ {[%emt 0:00:07]} Kd6 {[%emt 0:00:01]} 66. Rh6 {[%emt 0:00:17]} Ra5+ {[%emt 0:00:26]} 67. Kf6 {[%emt 0:01:41]} Rf5+ {[%emt 0:00:19]} 68. Kg6 {[%emt 0:00:01]} Rf8 {[%emt 0:00:34]} 69. Rh7 {[%emt 0:00:56]} Rg8+ {[%emt 0:00:45]} 70. Rg7 {[%emt 0:00:08]} Rf8 {[%emt 0:00:02]} 71. Kg5 {[%emt 0:00:25]} Rf5+ {[%emt 0:00:05]} 72. Kg4 {[%emt 0:00:10]} Ra5 {[%emt 0:00:41]} 73. Rg5 {[%emt 0:00:35]} Ra4 {[%emt 0:00:02]} 74. Re5 {[%emt 0:00:16]} Ra8 {[%emt 0:00:21]} 75. Kf3 {[%emt 0:00:25]} Ke7 {[%emt 0:01:38]} 76. g4 {[%emt 0:01:16]} Kf7 {[%emt 0:00:17]} 77. Kg3 {[%emt 0:00:28]} Ra4 {[%emt 0:00:23]} 78. Rb5 {[%emt 0:00:26]} Rc4 {[%emt 0:01:19]} 79. Ra5 {[%emt 0:00:11]} Rb4 {[%emt 0:00:18]} 80. Ra7+ {[%emt 0:00:59]} Kg6 {[%emt 0:00:28]} 81. Re7 {[%emt 0:00:42]} Kf6 {[%emt 0:00:07]} 82. Rh7 {[%emt 0:00:14]} Kg6 {[%emt 0:00:20]} 83. Rd7 {[%emt 0:01:00]} Ra4 {[%emt 0:00:53]} 84. g5 {[%emt 0:02:11]} Ra1 {[%emt 0:00:52]} 85. Re7 {[%emt 0:00:41]} Re1 {[%emt 0:00:55]} 86. Kg4 {[%emt 0:00:15]} Rg1+ {[%emt 0:00:13]} 87. Kf3 {[%emt 0:00:18]} Re1 {[%emt 0:00:14]} 88. Re8 {[%emt 0:00:41]} Kf7 {[%emt 0:00:32]} 89. Rh8 {[%emt 0:00:58]} Rf1+ {[%emt 0:00:32]} 90. Ke3 {[%emt 0:00:27]} Re1+ {[%emt 0:00:42]} 91. Kf2 {[%emt 0:00:21]} Ra1 {[%emt 0:00:21]} 92. Rh6 {[%emt 0:00:59]} Ra4 {[%emt 0:00:37]} 93. Kf3 {[%emt 0:00:07]} Ra3+ {[%emt 0:00:33]} 94. Kg4 {[%emt 0:00:24]} Re3 {[%emt 0:00:09]} 95. Rh7+ {[%emt 0:00:37]} Kg6 {[%emt 0:00:31]} 96. Re7 {[%emt 0:00:11]} Re2 {[%emt 0:00:50]} 97. Rxe6+ {[%emt 0:00:17]} Rxe6 {[%emt 0:00:11]} 98. f5+ {[%emt 0:00:05]} Kf7 {[%emt 0:00:03]} 99. fxe6+ {[%emt 0:04:15]} Kxe6 {[%emt 0:00:01]} 100. Kh5 {[%emt 0:00:06]} Kf7 {[%emt 0:00:14]} 101. Kh6 {[%emt 0:00:31]} Kg8 {[%emt 0:00:06]} 102. Kg6 {[%emt 0:00:27]} Kh8 {[%emt 0:00:03]} 103. Kf7 {[%emt 0:05:04]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.23"]
[White "Avila Bautista, Roberto Al"]
[Black "Lopez Gonzalez, Abel Fabian"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2090"]
[BlackElo "2379"]
[Annotator "NA"]
[PlyCount "114"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:04:28]} d5 {[%emt 0:06:17]} 2. g3 {[%emt 0:03:05]} Bg4 {[%emt 0:00:08]} 3. Bg2 {[%emt 0:00:15]} Nd7 {[%emt 0:00:10]} 4. c4 {[%emt 0:01:31]} c6 {[%emt 0:00:18]} 5. b3 {[%emt 0:05:11]} e5 {[%emt 0:00:10]} 6. O-O {[%emt 0:00:46]} Bd6 {[%emt 0:00:33]} 7. Bb2 $11 {[%emt 0:02:15]} d4 {[%emt 0:02:12]} 8. Qc2 {[%emt 0:01:05]} Nh6 {[%emt 0:00:51]} 9. e3 {[%emt 0:02:43]} Qf6 {[%emt 0:01:56]} 10. Ne1 {[%emt 0:42:01]} Be2 {[%emt 0:01:05]} 11. exd4 {[%emt 0:01:49]} Bxf1 {[%emt 0:02:37]} 12. Bxf1 {[%emt 0:03:17]} exd4 {[%emt 0:04:16]} 13. Qe4+ {[%emt 0:00:25]} Qe5 {[%emt 0:01:12]} 14. Qxd4 {[%emt 0:00:30]} Qxd4 {[%emt 0:04:10]} 15. Bxd4 {[%emt 0:00:08]} Be5 {[%emt 0:00:02]} 16. Bxe5 {[%emt 0:00:56]} Nxe5 {[%emt 0:00:02]} 17. d4 {[%emt 0:00:33]} Nd7 {[%emt 0:01:25]} 18. Nc3 {[%emt 0:02:52]} O-O-O {[%emt 1:12:06]} 19. Nd3 {[%emt 0:02:33]} Nf6 {[%emt 0:00:00]} 20. Ne2 {[%emt 0:04:52]} Rhe8 {[%emt 0:00:00]} 21. Rd1 {[%emt 0:00:52]} g5 {[%emt 0:00:00]} 22. Nb4 {[%emt 0:02:48]} c5 {[%emt 0:00:00]} 23. Nc2 {[%emt 0:02:37]} cxd4 {[%emt 0:00:00]} 24. Rxd4 {[%emt 0:05:10]} Nf5 {[%emt 0:00:00]} 25. Rxd8+ {[%emt 0:02:46]} Rxd8 {[%emt 0:00:00]} 26. Nc3 {[%emt 0:03:06]} Rd2 {[%emt 0:00:00]} 27. Ne1 {[%emt 0:02:54]} Nd4 {[%emt 0:00:00]} 28. h3 {[%emt 0:01:48]} Kb8 {[%emt 0:00:00]} 29. Kg2 {[%emt 0:00:36]} g4 {[%emt 0:00:00]} 30. Kg1 {[%emt 0:01:02]} Nf3+ {[%emt 0:00:00]} 31. Nxf3 {[%emt 0:00:03]} gxf3 {[%emt 0:00:00]} 32. g4 {[%emt 0:00:15]} Rc2 {[%emt 0:00:00]} 33. Nb5 {[%emt 0:00:09]} Rd2 {[%emt 0:00:00]} 34. Nc3 {[%emt 0:00:02]} a6 {[%emt 0:00:00]} 35. g5 {[%emt 0:00:13]} Rc2 {[%emt 0:00:00]} 36. gxf6 {[%emt 0:00:55]} Rxc3 {[%emt 0:00:00]} 37. Kh2 {[%emt 0:00:18]} Kc7 {[%emt 0:00:00]} 38. c5 {[%emt 0:00:46]} Rxc5 {[%emt 0:00:00]} 39. Bd3 {[%emt 0:00:33]} Rg5 {[%emt 0:00:00]} 40. Bxh7 {[%emt 0:00:54]} Rg2+ {[%emt 0:00:00]} 41. Kh1 {[%emt 0:00:01]} Rxf2 {[%emt 0:00:00]} 42. Be4 {[%emt 0:00:49]} Rxa2 {[%emt 0:00:00]} 43. Bxf3 {[%emt 0:00:07]} Rf2 {[%emt 0:00:00]} 44. Be4 {[%emt 0:01:10]} b5 {[%emt 0:00:00]} 45. Kg1 {[%emt 0:00:50]} Rxf6 {[%emt 0:00:00]} 46. Kg2 {[%emt 0:00:25]} Kd6 {[%emt 0:00:00]} 47. Kg3 {[%emt 0:00:23]} Ke5 {[%emt 0:00:00]} 48. Bb1 {[%emt 0:00:33]} Rc6 {[%emt 0:00:00]} 49. h4 {[%emt 0:00:25]} Rc3+ {[%emt 0:00:00]} 50. Kg4 {[%emt 0:00:05]} Rxb3 {[%emt 0:00:00]} 51. Bc2 {[%emt 0:00:12]} Rb2 {[%emt 0:00:00]} 52. Bd3 {[%emt 0:00:11]} Rg2+ {[%emt 0:00:00]} 53. Kh5 {[%emt 0:00:43]} f5 {[%emt 0:00:00]} 54. Kh6 {[%emt 0:00:29]} f4 {[%emt 0:00:00]} 55. h5 {[%emt 0:00:09]} f3 {[%emt 0:00:00]} 56. Kh7 {[%emt 0:00:05]} Rd2 {[%emt 0:00:00]} 57. Bf1 {[%emt 0:00:05]} Rd1 {[%emt 0:19:30]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.24"]
[White "Galaviz Medina, Sion Radamantys"]
[Black "Fernandez Pozas, Pablo Antonio"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2374"]
[BlackElo "2072"]
[Annotator "NA"]
[PlyCount "39"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:01]} e6 {[%emt 0:00:07]} 2. c4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:03]} Bb4 {[%emt 0:00:08]} 4. Qc2 {[%emt 0:00:03]} b6 {[%emt 0:00:07]} 5. e4 {[%emt 0:17:41]} c5 {[%emt 0:00:08]} 6. d5 {[%emt 0:01:36]} Qe7 {[%emt 0:00:09]} 7. Nge2 {[%emt 0:07:05]} exd5 {[%emt 0:00:07]} 8. exd5 {[%emt 0:00:05]} O-O {[%emt 0:00:29]} 9. Bg5 $11 {[%emt 0:06:06]} Ba6 {[%emt 0:11:55]} 10. O-O-O {[%emt 0:00:44]} Bxc4 {[%emt 0:13:14]} 11. Ng3 {[%emt 0:00:09]} Bxf1 {[%emt 0:19:25]} 12. Nf5 {[%emt 0:00:14]} Qe5 {[%emt 0:02:31]} 13. f4 {[%emt 0:00:08]} Qe8 {[%emt 0:10:11]} 14. Bxf6 {[%emt 0:02:22]} gxf6 {[%emt 0:00:02]} 15. Ne4 {[%emt 0:00:08]} Qd8 {[%emt 0:00:19]} 16. Rhxf1 {[%emt 0:01:14]} Kh8 {[%emt 0:01:05]} 17. a3 {[%emt 0:01:44]} Ba5 {[%emt 0:00:35]} 18. Ned6 {[%emt 0:00:08]} b5 {[%emt 0:03:50]} 19. Qf2 {[%emt 0:00:17]} Bc7 {[%emt 0:01:08]} 20. Qg3 {[%emt 0:00:05]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.25"]
[White "Martinez Morales, Geovanni"]
[Black "Sanchez Enriquez, Oscar Gerardo"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2098"]
[BlackElo "2305"]
[Annotator "NA"]
[PlyCount "58"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:31:00]} c5 {[%emt 0:19:05]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:58]} 3. g3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:31]} 4. Bg2 {[%emt 0:00:00]} g5 {[%emt 0:00:13]} 5. h3 {[%emt 0:00:00]} Bg7 {[%emt 0:01:11]} 6. d3 {[%emt 0:00:00]} h6 {[%emt 0:00:25]} 7. c3 {[%emt 0:00:00]} Nge7 {[%emt 0:00:34]} 8. Be3 {[%emt 0:00:00]} (8. O-O {is superior.}) 8... b6 {[%emt 0:04:11]} 9. Nbd2 {[%emt 0:00:00]} d5 {[%emt 0:05:21]} 10. d4 $15 {[%emt 0:00:00]} dxe4 {[%emt 0:08:28]} 11. Nxe4 {[%emt 0:00:00]} f5 {[%emt 0:00:08]} 12. Ned2 {[%emt 0:00:00]} O-O {[%emt 0:00:51]} 13. dxc5 {[%emt 0:00:00]} Nd5 {[%emt 0:03:10]} 14. Nc4 {[%emt 0:00:00]} f4 {[%emt 0:01:06]} 15. Bd4 {[%emt 0:00:00]} Nxd4 {[%emt 0:00:25]} 16. cxd4 {[%emt 0:00:00]} fxg3 {[%emt 0:00:11]} 17. O-O {[%emt 0:00:00]} gxf2+ {[%emt 0:00:57]} 18. Rxf2 {[%emt 0:00:00]} bxc5 {[%emt 0:00:11]} 19. dxc5 {[%emt 0:00:00]} Qc7 {[%emt 0:01:09]} 20. Rc2 {[%emt 0:00:00]} Qxc5+ {[%emt 0:00:43]} 21. Kh1 {[%emt 0:00:00]} Ba6 {[%emt 0:01:51]} 22. Nce5 {[%emt 0:00:00]} Qe3 {[%emt 0:01:56]} 23. Ng4 {[%emt 0:05:10]} Qb6 {[%emt 0:00:48]} 24. Nfe5 {[%emt 0:03:00]} Rad8 {[%emt 0:05:12]} 25. Qe1 {[%emt 0:02:05]} Nf4 {[%emt 0:01:13]} 26. Kh2 {[%emt 0:01:15]} Nxg2 {[%emt 0:00:24]} 27. Rxg2 {[%emt 0:00:05]} Rf5 {[%emt 0:01:10]} 28. Ng6 {[%emt 0:01:03]} Qd6+ {[%emt 0:00:21]} 29. Kg1 {[%emt 0:00:49]} Kh7 {[%emt 0:42:17]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.26"]
[White "Herrera Ortiz, Miguel"]
[Black "Jorajuria Mendoza, Algol"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2297"]
[BlackElo "2006"]
[Annotator "NA"]
[PlyCount "74"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:06:23]} c5 {[%emt 0:00:01]} 2. Nf3 {[%emt 0:00:26]} Nc6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:10]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:03]} 5. Nc3 {[%emt 0:00:13]} e5 {[%emt 0:00:05]} 6. Ndb5 {[%emt 0:00:20]} d6 {[%emt 0:00:06]} 7. Nd5 {[%emt 0:00:20]} Nxd5 {[%emt 0:00:04]} 8. exd5 {[%emt 0:00:13]} Nb8 {[%emt 0:00:04]} 9. a4 {[%emt 0:00:27]} Be7 {[%emt 0:00:08]} 10. Be2 {[%emt 0:00:32]} Nd7 {[%emt 0:00:28]} 11. Bd2 {[%emt 0:00:39]} O-O {[%emt 0:01:37]} 12. Bb4 {[%emt 0:01:58]} a6 {[%emt 0:03:10]} 13. Na3 {[%emt 0:01:54]} a5 {[%emt 0:02:18]} 14. Bd2 {[%emt 0:00:26]} f5 {[%emt 0:00:30]} 15. Nc4 $15 {[%emt 0:01:09]} f4 {[%emt 0:03:46]} 16. Bg4 {[%emt 0:01:05]} Qc7 {[%emt 0:02:13]} 17. Be6+ {[%emt 0:29:37]} Kh8 {[%emt 0:00:07]} 18. b3 {[%emt 0:00:18]} e4 {[%emt 0:12:42]} 19. Bc3 {[%emt 0:03:42]} b6 {[%emt 0:05:03]} 20. Qd2 {[%emt 0:05:36]} Nc5 {[%emt 0:02:30]} 21. Bxc8 {[%emt 0:01:48]} Raxc8 {[%emt 0:00:05]} 22. Bd4 {[%emt 0:04:30]} e3 {[%emt 0:02:54]} 23. fxe3 {[%emt 0:01:50]} Bh4+ {[%emt 0:05:59]} 24. g3 {[%emt 0:02:59]} fxg3 {[%emt 0:00:19]} 25. O-O-O {[%emt 0:01:43]} Rf2 {[%emt 0:01:32]} 26. Qc3 {[%emt 0:00:35]} g2 {[%emt 0:00:52]} 27. Rhg1 {[%emt 0:00:27]} Nxa4 {[%emt 0:02:20]} 28. Qa1 {[%emt 0:00:38]} b5 {[%emt 0:00:55]} 29. e4 {[%emt 0:02:05]} bxc4 {[%emt 0:00:28]} 30. Qxa4 {[%emt 0:01:14]} cxb3 {[%emt 0:00:42]} 31. c3 {[%emt 0:00:19]} Re2 {[%emt 0:03:28]} 32. Kb1 {[%emt 0:00:48]} Bf6 {[%emt 0:08:13]} 33. Rc1 {[%emt 0:09:58]} Qc4 {[%emt 0:00:22]} 34. Qxc4 {[%emt 0:03:10]} Rxc4 {[%emt 0:00:06]} 35. Rce1 {[%emt 0:02:11]} Rxe1+ {[%emt 0:00:44]} 36. Rxe1 {[%emt 0:00:06]} Rxd4 {[%emt 0:00:40]} 37. e5 {[%emt 0:00:25]} Re4 {[%emt 0:00:20]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.27"]
[White "Medina Diaz, Rafael Alejandro"]
[Black "Arvizu Borchardt, David Ivan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2287"]
[BlackElo "1987"]
[Annotator "NA"]
[PlyCount "79"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:06]} 2. c3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:38]} 3. e5 {[%emt 0:00:05]} Nd5 {[%emt 0:00:05]} 4. d4 {[%emt 0:00:03]} cxd4 {[%emt 0:00:47]} 5. cxd4 {[%emt 0:00:06]} d6 {[%emt 0:01:10]} 6. Nf3 {[%emt 0:00:12]} e6 {[%emt 0:00:37]} 7. Nc3 {[%emt 0:10:33]} Nc6 {[%emt 0:05:39]} 8. exd6 {[%emt 0:00:31]} Bxd6 {[%emt 0:00:12]} 9. Bd3 {[%emt 0:00:24]} O-O {[%emt 0:04:52]} 10. O-O {[%emt 0:00:17]} h6 {[%emt 0:05:15]} 11. Re1 {[%emt 0:00:25]} b6 {[%emt 0:05:20]} 12. Bb1 {[%emt 0:10:12]} Ncb4 $14 {[%emt 0:05:30]} (12... Nf6 $11) 13. a3 {[%emt 0:10:47]} Nxc3 {[%emt 0:00:11]} 14. bxc3 {[%emt 0:00:04]} Nd5 {[%emt 0:00:07]} 15. Qd3 {[%emt 0:00:11]} Nf6 {[%emt 0:00:24]} 16. Ne5 {[%emt 0:00:16]} Bb7 {[%emt 0:08:30]} 17. Qh3 {[%emt 0:15:26]} Re8 {[%emt 0:01:12]} 18. Bd2 {[%emt 0:16:14]} Bf8 {[%emt 0:12:42]} 19. Re3 {[%emt 0:01:27]} Qd5 {[%emt 0:05:49]} 20. Rg3 {[%emt 0:02:53]} Qb3 {[%emt 0:00:51]} 21. Bd3 {[%emt 0:01:55]} Qb2 {[%emt 0:03:03]} 22. Rd1 {[%emt 0:01:37]} Be4 {[%emt 0:02:52]} 23. Qxh6 {[%emt 0:11:13]} Bxd3 {[%emt 0:00:08]} 24. Qxf6 {[%emt 0:00:25]} Bg6 {[%emt 0:00:07]} 25. Qf3 {[%emt 0:01:57]} Bf5 {[%emt 0:02:10]} 26. Qb7 {[%emt 0:07:49]} Be7 {[%emt 0:01:01]} 27. Bh6 {[%emt 0:00:41]} g6 {[%emt 0:00:50]} 28. Re3 {[%emt 0:02:51]} Qxa3 {[%emt 0:01:17]} 29. g4 {[%emt 0:00:44]} Bc2 {[%emt 0:00:18]} 30. Rde1 {[%emt 0:00:24]} Qd6 {[%emt 0:02:59]} 31. Qf3 {[%emt 0:01:59]} f6 {[%emt 0:02:00]} 32. Nxg6 {[%emt 0:01:43]} Bxg6 {[%emt 0:00:12]} 33. Rxe6 {[%emt 0:00:06]} Bf8 {[%emt 0:01:24]} 34. Qxf6 {[%emt 0:00:49]} Rxe6 {[%emt 0:05:43]} 35. Rxe6 {[%emt 0:00:01]} Qxe6 {[%emt 0:01:17]} 36. Qxe6+ {[%emt 0:00:01]} Bf7 {[%emt 0:00:11]} 37. Qc6 {[%emt 0:00:51]} Re8 {[%emt 0:01:15]} 38. Bxf8 {[%emt 0:00:17]} Kxf8 {[%emt 0:00:14]} 39. h4 {[%emt 0:00:10]} Re1+ {[%emt 0:00:16]} 40. Kh2 {[%emt 0:00:04]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.28"]
[White "Miranda Llanes, Yerisbel"]
[Black "Ortiz Verdezoto, Anahi"]
[Result "1-0"]
[ECO "E43"]
[WhiteElo "2261"]
[BlackElo "2047"]
[Annotator "NA"]
[PlyCount "103"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:15]} Nf6 {[%emt 0:00:12]} 2. c4 {[%emt 0:00:04]} e6 {[%emt 0:00:13]} 3. Nc3 {[%emt 0:00:10]} Bb4 {[%emt 0:00:14]} 4. e3 {[%emt 0:00:09]} b6 {[%emt 0:00:41]} 5. Bd2 {[%emt 0:00:31]} Bb7 {[%emt 0:01:12]} 6. Nf3 {[%emt 0:00:13]} O-O {[%emt 0:02:20]} 7. Bd3 {[%emt 0:00:04]} c5 {[%emt 0:01:44]} 8. a3 {[%emt 0:01:28]} cxd4 {[%emt 0:05:47]} 9. axb4 {[%emt 0:04:28]} dxc3 {[%emt 0:00:06]} 10. Bxc3 {[%emt 0:00:06]} d5 $14 {[%emt 0:04:25]} 11. b3 {[%emt 0:00:49]} Nbd7 {[%emt 0:01:56]} 12. O-O {[%emt 0:01:25]} Qe7 {[%emt 0:00:18]} 13. Qe2 {[%emt 0:05:55]} Ne4 {[%emt 0:08:49]} 14. Bb2 {[%emt 0:01:47]} Ndf6 {[%emt 0:07:03]} 15. Ne5 {[%emt 0:05:06]} Nd7 {[%emt 0:10:49]} 16. Nf3 {[%emt 0:06:34]} Rfc8 {[%emt 0:02:11]} 17. Ba3 {[%emt 0:00:27]} Qf6 {[%emt 0:04:55]} 18. Rfc1 {[%emt 0:04:22]} dxc4 {[%emt 0:03:36]} 19. bxc4 {[%emt 0:00:47]} a5 {[%emt 0:02:10]} 20. Bb2 {[%emt 0:03:02]} Qe7 {[%emt 0:01:16]} 21. bxa5 {[%emt 0:01:13]} bxa5 {[%emt 0:00:23]} 22. Qc2 {[%emt 0:08:44]} f5 {[%emt 0:02:42]} 23. Nd4 {[%emt 0:02:27]} Nec5 {[%emt 0:02:19]} 24. Bf1 {[%emt 0:01:24]} a4 {[%emt 0:02:36]} 25. Ba3 {[%emt 0:01:42]} Qf6 {[%emt 0:00:49]} 26. Ra2 {[%emt 0:02:27]} Ba6 {[%emt 0:06:58]} 27. Rd1 {[%emt 0:04:21]} Rab8 {[%emt 0:00:07]} 28. Nb5 {[%emt 0:03:08]} Bxb5 {[%emt 0:08:06]} 29. cxb5 {[%emt 0:00:07]} Nb3 {[%emt 0:00:29]} 30. Qb2 {[%emt 0:02:22]} Qf7 {[%emt 0:00:50]} 31. Bd6 {[%emt 0:01:01]} Ra8 {[%emt 0:00:01]} 32. Be2 {[%emt 0:14:45]} Nb6 {[%emt 0:00:41]} 33. Bf3 {[%emt 0:00:37]} Nc4 {[%emt 0:00:42]} 34. Qb1 {[%emt 0:03:40]} Ra7 {[%emt 0:06:14]} 35. Bb4 {[%emt 0:01:30]} h6 {[%emt 0:01:44]} 36. Rc2 {[%emt 0:01:50]} Rac7 {[%emt 0:01:13]} 37. Qa2 {[%emt 0:01:43]} Nb6 {[%emt 0:04:57]} 38. Bc6 {[%emt 0:00:32]} Ra7 {[%emt 0:02:12]} 39. h3 {[%emt 0:02:20]} Kh7 {[%emt 0:00:02]} 40. Qa3 {[%emt 0:02:24]} Rac7 {[%emt 0:02:35]} 41. Bd6 {[%emt 0:02:18]} Rd8 {[%emt 0:00:01]} 42. Be8 {[%emt 0:05:00]} Qxe8 {[%emt 0:02:26]} 43. Rxc7 {[%emt 0:00:06]} Rc8 {[%emt 0:02:48]} 44. Rb7 {[%emt 0:03:06]} Nd5 {[%emt 0:01:04]} 45. Qxa4 {[%emt 0:01:13]} Nc5 {[%emt 0:00:20]} 46. Bxc5 {[%emt 0:00:42]} Rxc5 {[%emt 0:00:15]} 47. Rxg7+ {[%emt 0:02:11]} Kxg7 {[%emt 0:00:01]} 48. Qd4+ {[%emt 0:00:02]} Kg6 {[%emt 0:00:27]} 49. Qxc5 {[%emt 0:00:06]} Qb8 {[%emt 0:00:26]} 50. Qc6 {[%emt 0:01:05]} Kf7 {[%emt 0:00:21]} 51. Rxd5 {[%emt 0:00:56]} exd5 {[%emt 0:00:02]} 52. Qxd5+ {[%emt 0:00:06]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.29"]
[White "Rosales Campos, Paul"]
[Black "Frey Beckman, Kenneth"]
[Result "0-1"]
[ECO "C48"]
[WhiteElo "2039"]
[BlackElo "2242"]
[Annotator "NA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:15]} e5 {[%emt 0:00:19]} 2. Nf3 {[%emt 0:00:46]} Nc6 {[%emt 0:00:14]} 3. Nc3 {[%emt 0:00:40]} Nf6 {[%emt 0:00:48]} 4. Bb5 {[%emt 0:00:34]} Nd4 {[%emt 0:00:19]} 5. O-O {[%emt 0:00:44]} Nxb5 {[%emt 0:04:25]} 6. Nxb5 {[%emt 0:00:31]} c6 {[%emt 0:01:38]} 7. Nc3 {[%emt 0:00:27]} d6 {[%emt 0:00:22]} 8. d4 {[%emt 0:00:36]} Qc7 {[%emt 0:03:37]} 9. Bg5 {[%emt 0:01:25]} Be7 {[%emt 0:01:35]} 10. h3 {[%emt 0:00:49]} h6 {[%emt 0:00:32]} 11. Bxf6 {[%emt 0:09:11]} Bxf6 {[%emt 0:00:14]} 12. d5 {[%emt 0:01:25]} O-O {[%emt 0:00:38]} 13. Qd3 {[%emt 0:00:41]} Be7 {[%emt 0:11:07]} 14. Rfd1 {[%emt 0:04:20]} c5 {[%emt 0:04:55]} 15. Qc4 {[%emt 0:12:13]} a6 {[%emt 0:04:17]} 16. a4 {[%emt 0:03:36]} b6 {[%emt 0:03:36]} 17. Rab1 {[%emt 0:22:26]} Bd8 {[%emt 0:06:00]} 18. Rd2 {[%emt 0:05:30]} f5 {[%emt 0:05:12]} 19. Re1 {[%emt 0:05:30]} f4 {[%emt 0:09:05]} 20. b4 {[%emt 0:02:35]} cxb4 {[%emt 0:06:51]} 21. Qxb4 {[%emt 0:00:04]} Bd7 {[%emt 0:00:27]} 22. Rd3 {[%emt 0:01:16]} Rc8 {[%emt 0:01:02]} 23. Rb1 {[%emt 0:00:54]} g5 {[%emt 0:00:30]} 24. Nd2 {[%emt 0:01:26]} h5 {[%emt 0:00:42]} 25. Rb2 {[%emt 0:02:52]} g4 {[%emt 0:01:20]} 26. hxg4 {[%emt 0:00:58]} hxg4 {[%emt 0:00:10]} 27. Ne2 {[%emt 0:09:26]} Rf6 {[%emt 0:01:07]} 28. Rc3 {[%emt 0:02:23]} Qb8 {[%emt 0:00:38]} 29. Rxc8 {[%emt 0:05:02]} Qxc8 {[%emt 0:01:00]} 30. Nc4 {[%emt 0:00:15]} Bc7 {[%emt 0:08:07]} 31. Nxb6 {[%emt 0:00:58]} Qd8 {[%emt 0:02:21]} 32. Nxd7 {[%emt 0:00:16]} Qxd7 {[%emt 0:00:07]} 33. Qb7 {[%emt 0:01:18]} Rf7 {[%emt 0:01:55]} 34. Qc6 {[%emt 0:01:05]} Qe7 {[%emt 0:00:23]} 35. Rb7 {[%emt 0:01:15]} Kg7 {[%emt 0:22:27]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.30"]
[White "Blanco Fernandez, Alvaro"]
[Black "Paredes Guzman, Francisco Javier"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2216"]
[BlackElo "1891"]
[Annotator "NA"]
[PlyCount "69"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:04]} 2. c4 {[%emt 0:00:09]} g6 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:11]} Bg7 {[%emt 0:00:13]} 4. e4 {[%emt 0:00:06]} d6 $14 {[%emt 0:00:02]} 5. Be2 {[%emt 0:00:12]} O-O {[%emt 0:00:08]} 6. Be3 {[%emt 0:00:19]} e5 {[%emt 0:00:04]} 7. d5 {[%emt 0:00:06]} Na6 {[%emt 0:00:07]} 8. g4 {[%emt 0:00:10]} Nc5 {[%emt 0:00:08]} 9. f3 {[%emt 0:00:08]} a5 {[%emt 0:00:28]} 10. h4 {[%emt 0:00:16]} h5 {[%emt 0:00:07]} 11. g5 {[%emt 0:00:05]} Nh7 {[%emt 0:01:00]} 12. Qc2 {[%emt 0:00:10]} c6 {[%emt 0:07:13]} 13. O-O-O {[%emt 0:00:44]} Qc7 {[%emt 0:00:41]} 14. Bxc5 {[%emt 0:04:37]} dxc5 {[%emt 0:00:04]} 15. d6 {[%emt 0:00:09]} Qd8 {[%emt 0:00:21]} 16. Na4 {[%emt 0:00:48]} b6 {[%emt 0:02:29]} 17. Qb3 {[%emt 0:03:07]} Ra6 {[%emt 0:00:49]} 18. Bf1 {[%emt 0:01:08]} Re8 {[%emt 0:02:17]} 19. d7 {[%emt 0:05:51]} Bxd7 {[%emt 0:00:10]} 20. Bh3 {[%emt 0:00:02]} Nf8 {[%emt 0:00:33]} 21. Ne2 {[%emt 0:03:53]} Re7 {[%emt 0:06:58]} 22. Bxd7 {[%emt 0:03:42]} Rxd7 {[%emt 0:13:36]} 23. Rxd7 {[%emt 0:03:25]} Nxd7 {[%emt 0:00:04]} 24. Rd1 {[%emt 0:00:07]} Qc7 {[%emt 0:00:10]} 25. Qd3 {[%emt 0:02:13]} Ra7 {[%emt 0:00:32]} 26. Kb1 {[%emt 0:00:20]} Bf8 {[%emt 0:00:34]} 27. Nac3 {[%emt 0:01:10]} Be7 {[%emt 0:00:26]} 28. Qd2 {[%emt 0:01:13]} Nf8 {[%emt 0:02:28]} 29. f4 {[%emt 0:00:22]} exf4 {[%emt 0:00:10]} 30. Nxf4 {[%emt 0:00:02]} Qe5 {[%emt 0:01:40]} 31. Nd3 {[%emt 0:02:16]} Qd4 {[%emt 0:01:21]} 32. Qf4 {[%emt 0:00:24]} Qxc4 {[%emt 0:03:08]} 33. e5 {[%emt 0:04:39]} Qxf4 {[%emt 0:03:18]} 34. Nxf4 {[%emt 0:00:02]} Rd7 {[%emt 0:00:19]} 35. Re1 {[%emt 0:01:47]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.31"]
[White "Chinchilla Miranda, Eugenio"]
[Black "Francisco Cruz, Yahir Alberto"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "2193"]
[BlackElo "1949"]
[Annotator "NA"]
[PlyCount "77"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:29]} Nf6 {[%emt 0:05:00]} 2. c4 {[%emt 0:00:14]} g6 {[%emt 0:05:08]} 3. Nc3 {[%emt 0:00:06]} d5 {[%emt 0:00:08]} 4. Nf3 {[%emt 0:00:21]} Bg7 {[%emt 0:00:06]} 5. Qb3 {[%emt 0:00:06]} dxc4 {[%emt 0:00:23]} 6. Qxc4 {[%emt 0:00:03]} O-O {[%emt 0:00:10]} 7. e4 {[%emt 0:00:05]} a6 {[%emt 0:02:17]} 8. Be2 {[%emt 0:00:29]} b5 {[%emt 0:00:14]} 9. Qb3 {[%emt 0:00:02]} Nc6 {[%emt 0:00:41]} 10. e5 {[%emt 0:05:33]} Be6 {[%emt 0:00:48]} 11. exf6 {[%emt 0:00:35]} Bxb3 {[%emt 0:00:35]} 12. fxg7 {[%emt 0:00:04]} Kxg7 {[%emt 0:02:20]} 13. axb3 {[%emt 0:00:03]} Nxd4 {[%emt 0:02:50]} 14. Nxd4 {[%emt 0:00:08]} Qxd4 {[%emt 0:00:04]} 15. O-O {[%emt 0:00:21]} Qb4 {[%emt 0:02:33]} 16. Bf3 {[%emt 0:03:41]} Rad8 {[%emt 0:02:47]} 17. Rxa6 {[%emt 0:00:17]} Qxb3 {[%emt 0:00:10]} 18. Rc6 {[%emt 0:01:58]} Rc8 {[%emt 0:26:16]} 19. Re1 {[%emt 0:05:41]} Rfd8 {[%emt 0:02:23]} 20. h4 {[%emt 0:02:48]} e6 {[%emt 0:01:08]} 21. h5 {[%emt 0:01:16]} Rd6 {[%emt 0:00:40]} 22. Rc5 {[%emt 0:00:50]} b4 {[%emt 0:08:08]} 23. Bd1 {[%emt 0:02:16]} Rxd1 {[%emt 0:00:06]} 24. h6+ {[%emt 0:00:40]} Kf8 {[%emt 0:00:36]} 25. Nxd1 {[%emt 0:00:15]} f6 {[%emt 0:01:34]} 26. Ne3 {[%emt 0:01:25]} Ke7 {[%emt 0:04:02]} 27. Nc2 {[%emt 0:08:31]} Kd6 {[%emt 0:01:48]} 28. Rc6+ {[%emt 0:06:50]} Kd7 {[%emt 0:02:00]} 29. Rd1+ {[%emt 0:02:02]} Ke7 {[%emt 0:00:10]} 30. Be3 {[%emt 0:00:38]} Rd8 {[%emt 0:04:29]} 31. Rxc7+ {[%emt 0:00:16]} Ke8 {[%emt 0:00:06]} 32. Ra1 {[%emt 0:05:54]} Qxb2 {[%emt 0:04:39]} 33. Raa7 {[%emt 0:06:15]} Rd1+ {[%emt 0:08:53]} 34. Kh2 {[%emt 0:00:48]} Qe5+ {[%emt 0:00:05]} 35. f4 {[%emt 0:00:27]} Qh5+ {[%emt 0:00:44]} 36. Kg3 {[%emt 0:00:10]} g5 {[%emt 0:00:22]} 37. Rg7 {[%emt 0:12:21]} Qh4+ {[%emt 0:00:42]} 38. Kf3 {[%emt 0:00:18]} Qh5+ {[%emt 0:00:12]} 39. Ke4 {[%emt 0:00:50]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.32"]
[White "Gongora Montes, Benjamin"]
[Black "Montes Orozco, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2157"]
[BlackElo "1914"]
[Annotator "NA"]
[PlyCount "81"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:02]} d5 {[%emt 0:02:03]} 2. Nf3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:05]} 3. g3 {[%emt 0:00:04]} e6 {[%emt 0:00:05]} 4. Bg2 {[%emt 0:00:02]} Be7 {[%emt 0:00:10]} 5. O-O {[%emt 0:00:07]} O-O {[%emt 0:00:03]} 6. b3 {[%emt 0:00:04]} c5 {[%emt 0:04:15]} 7. dxc5 {[%emt 0:00:05]} Bxc5 {[%emt 0:00:27]} 8. c4 {[%emt 0:00:06]} Nc6 {[%emt 0:17:05]} 9. Bb2 {[%emt 0:04:12]} d4 {[%emt 0:01:07]} 10. a3 {[%emt 0:01:07]} a5 {[%emt 0:00:30]} 11. b4 {[%emt 0:04:15]} axb4 {[%emt 0:00:07]} 12. axb4 {[%emt 0:00:06]} Rxa1 {[%emt 0:01:30]} 13. Bxa1 {[%emt 0:00:04]} Bxb4 {[%emt 0:02:59]} 14. Nxd4 {[%emt 0:00:10]} Bd7 {[%emt 0:00:47]} 15. Qb3 {[%emt 0:01:40]} Qb6 {[%emt 0:07:56]} 16. Nxc6 {[%emt 0:10:01]} Bxc6 {[%emt 0:00:07]} 17. Bxf6 {[%emt 0:00:18]} gxf6 {[%emt 0:00:08]} 18. Bxc6 {[%emt 0:03:33]} bxc6 {[%emt 0:00:07]} 19. Nc3 {[%emt 0:00:08]} Rb8 {[%emt 0:05:43]} 20. Rb1 {[%emt 0:00:22]} Bc5 {[%emt 0:01:09]} 21. Qc2 {[%emt 0:00:34]} Qa7 {[%emt 0:00:30]} 22. Rxb8+ {[%emt 0:00:05]} Qxb8 {[%emt 0:00:03]} 23. Qe4 {[%emt 0:10:03]} Qb4 {[%emt 0:01:35]} 24. Qd3 {[%emt 0:02:48]} Kg7 {[%emt 0:02:15]} 25. Kg2 {[%emt 0:02:18]} f5 {[%emt 0:06:38]} 26. e4 {[%emt 0:05:08]} Qb2 {[%emt 0:00:18]} 27. Ne2 {[%emt 0:00:05]} fxe4 {[%emt 0:01:02]} 28. Qxe4 {[%emt 0:00:05]} Bb6 {[%emt 0:06:09]} 29. h4 {[%emt 0:00:46]} h6 {[%emt 0:01:35]} 30. Qg4+ {[%emt 0:01:13]} Kf8 {[%emt 0:00:10]} 31. Qe4 {[%emt 0:04:02]} Kg7 {[%emt 0:00:41]} 32. h5 {[%emt 0:00:31]} Ba7 {[%emt 0:01:06]} 33. g4 {[%emt 0:00:43]} Kf8 {[%emt 0:05:10]} 34. Qd3 {[%emt 0:04:24]} Kg7 {[%emt 0:01:35]} 35. Kg3 {[%emt 0:07:40]} Bb8+ {[%emt 0:01:36]} 36. Kg2 {[%emt 0:01:43]} Ba7 {[%emt 0:00:10]} 37. Qe4 {[%emt 0:07:59]} Kf8 {[%emt 0:05:21]} 38. Kg3 {[%emt 0:02:03]} Qb3+ {[%emt 0:03:13]} 39. Kg2 {[%emt 0:00:11]} Qb2 {[%emt 0:00:24]} 40. Kg3 {[%emt 0:00:17]} Qb3+ {[%emt 0:00:06]} 41. Kg2 {[%emt 0:00:09]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.33"]
[White "Luna Javier, Edgar Froylan"]
[Black "Encinas Varela, David"]
[Result "1-0"]
[ECO "D79"]
[WhiteElo "2148"]
[BlackElo "1862"]
[Annotator "NA"]
[PlyCount "59"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:11]} 2. g3 {[%emt 0:00:10]} g6 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:00:08]} Bg7 {[%emt 0:00:01]} 4. d4 {[%emt 0:00:48]} O-O {[%emt 0:00:06]} 5. O-O {[%emt 0:00:03]} d5 {[%emt 0:00:36]} 6. c4 {[%emt 0:00:25]} c6 {[%emt 0:00:17]} 7. cxd5 {[%emt 0:00:08]} cxd5 {[%emt 0:00:11]} 8. Ne5 {[%emt 0:00:28]} Ng4 {[%emt 0:04:52]} 9. f4 {[%emt 0:13:38]} Nxe5 {[%emt 0:01:13]} 10. fxe5 {[%emt 0:00:17]} Be6 {[%emt 0:00:11]} 11. Nc3 {[%emt 0:01:48]} Qd7 {[%emt 0:01:41]} 12. Bf4 {[%emt 0:11:33]} Rd8 {[%emt 0:01:10]} 13. Na4 {[%emt 0:12:48]} b6 {[%emt 0:01:10]} 14. Nc3 {[%emt 0:00:25]} Nc6 {[%emt 0:03:56]} 15. Qd2 {[%emt 0:08:06]} Bh3 {[%emt 0:02:08]} 16. Bxh3 {[%emt 0:03:17]} Qxh3 {[%emt 0:00:29]} 17. Rac1 {[%emt 0:00:27]} Rac8 {[%emt 0:01:06]} 18. Bg5 {[%emt 0:00:52]} f6 {[%emt 0:07:10]} 19. exf6 {[%emt 0:01:26]} exf6 {[%emt 0:00:38]} 20. Bxf6 {[%emt 0:01:30]} Bh6 {[%emt 0:00:27]} 21. Bg5 {[%emt 0:01:28]} Bxg5 {[%emt 0:00:52]} 22. Qxg5 {[%emt 0:00:02]} Nxd4 {[%emt 0:00:21]} 23. Rcd1 {[%emt 0:02:52]} Ne6 {[%emt 0:01:52]} 24. Qe5 {[%emt 0:00:47]} Nc7 {[%emt 0:06:32]} 25. Nxd5 {[%emt 0:06:02]} Nxd5 {[%emt 0:01:22]} 26. Rxd5 {[%emt 0:01:37]} Re8 {[%emt 0:00:41]} 27. Qd4 {[%emt 0:04:20]} Rxe2 {[%emt 0:11:10]} 28. Rd8+ {[%emt 0:00:07]} Re8 {[%emt 0:00:09]} 29. Qd5+ {[%emt 0:00:08]} Kh8 {[%emt 0:00:49]} 30. Qe5+ {[%emt 0:00:05]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.34"]
[White "Torres Rivas, Felipe de Jesus"]
[Black "Garcia de Dios, Jose Antonio"]
[Result "1/2-1/2"]
[ECO "E67"]
[WhiteElo "1845"]
[BlackElo "2145"]
[Annotator "NA"]
[PlyCount "113"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:10:33]} Nf6 {[%emt 0:00:27]} 2. Nf3 {[%emt 0:01:23]} g6 {[%emt 0:00:38]} 3. c4 {[%emt 0:00:15]} Bg7 {[%emt 0:00:24]} 4. g3 {[%emt 0:00:15]} O-O {[%emt 0:00:25]} 5. Bg2 {[%emt 0:00:04]} d6 {[%emt 0:00:20]} 6. O-O {[%emt 0:00:25]} Nbd7 {[%emt 0:00:29]} 7. Nc3 {[%emt 0:02:33]} e5 {[%emt 0:00:47]} 8. Bg5 {[%emt 0:01:28]} h6 {[%emt 0:03:52]} 9. Bxf6 {[%emt 0:00:57]} Bxf6 {[%emt 0:00:18]} 10. e3 {[%emt 0:00:28]} Bg7 {[%emt 0:02:47]} 11. Qb3 {[%emt 0:01:02]} exd4 {[%emt 0:02:36]} 12. Nxd4 {[%emt 0:01:21]} Nc5 {[%emt 0:00:59]} 13. Qc2 {[%emt 0:00:18]} a5 {[%emt 0:00:44]} 14. Rfd1 {[%emt 0:06:36]} c6 {[%emt 0:04:46]} 15. Rd2 {[%emt 0:03:51]} Qc7 {[%emt 0:08:55]} 16. h4 {[%emt 0:01:28]} h5 {[%emt 0:08:13]} 17. Qd1 {[%emt 0:05:17]} Re8 {[%emt 0:04:13]} 18. Rc1 {[%emt 0:04:37]} a4 {[%emt 0:02:57]} 19. Rb1 {[%emt 0:03:45]} Bg4 {[%emt 0:15:01]} 20. Bf3 {[%emt 0:01:22]} Be6 {[%emt 0:01:08]} 21. Nxe6 {[%emt 0:03:25]} Rxe6 {[%emt 0:00:02]} 22. Ne2 {[%emt 0:00:45]} Ne4 {[%emt 0:06:13]} 23. Bxe4 {[%emt 0:05:18]} Rxe4 {[%emt 0:00:06]} 24. Qc2 {[%emt 0:00:09]} Ree8 {[%emt 0:36:10]} 25. Rbd1 {[%emt 0:00:30]} a3 {[%emt 0:00:00]} 26. bxa3 {[%emt 0:03:05]} Rxa3 {[%emt 0:00:00]} 27. Rxd6 {[%emt 0:00:08]} Qa5 {[%emt 0:00:00]} 28. Nf4 {[%emt 0:04:04]} Rxa2 {[%emt 0:00:00]} 29. Qd3 {[%emt 0:02:59]} Ra1 {[%emt 0:00:00]} 30. Rd7 {[%emt 0:04:27]} Rxd1+ {[%emt 0:00:00]} 31. Qxd1 {[%emt 0:00:04]} Qb4 {[%emt 0:00:00]} 32. Qd3 {[%emt 0:05:03]} Ra8 {[%emt 0:00:00]} 33. Rd8+ {[%emt 0:08:27]} Rxd8 {[%emt 0:00:00]} 34. Qxd8+ {[%emt 0:00:03]} Bf8 {[%emt 0:00:00]} 35. Qd3 {[%emt 0:00:41]} Qc5 {[%emt 0:00:00]} 36. Kg2 {[%emt 0:03:14]} b5 {[%emt 0:00:00]} 37. cxb5 {[%emt 0:02:19]} cxb5 {[%emt 0:00:00]} 38. Qd5 {[%emt 0:01:00]} Qb6 {[%emt 0:00:26]} 39. Ne2 {[%emt 0:05:16]} Bg7 {[%emt 0:01:03]} 40. Nc1 {[%emt 0:01:43]} b4 {[%emt 0:00:23]} 41. Nb3 {[%emt 0:00:07]} Bc3 {[%emt 0:02:40]} 42. Qa8+ {[%emt 0:06:19]} Kg7 {[%emt 0:00:33]} 43. Qd5 {[%emt 0:00:04]} Qa7 {[%emt 0:00:43]} 44. Nc5 {[%emt 0:04:21]} Qa1 {[%emt 0:02:38]} 45. Ne4 {[%emt 0:00:55]} Be1 {[%emt 0:01:23]} 46. Qb3 {[%emt 0:00:34]} Qe5 {[%emt 0:00:24]} 47. Ng5 {[%emt 0:00:15]} Qf5 {[%emt 0:00:24]} 48. Nf3 {[%emt 0:00:23]} Bc3 {[%emt 0:00:10]} 49. Ng5 {[%emt 0:00:21]} Qd7 {[%emt 0:00:47]} 50. Qc4 {[%emt 0:01:01]} Qb7+ {[%emt 0:00:22]} 51. Qe4 {[%emt 0:00:24]} Qa7 {[%emt 0:00:57]} 52. Qd5 {[%emt 0:00:07]} Bf6 {[%emt 0:00:23]} 53. Ne4 {[%emt 0:00:11]} Qb6 {[%emt 0:00:30]} 54. Nd6 {[%emt 0:00:30]} Kh6 {[%emt 0:00:41]} 55. Nxf7+ {[%emt 0:00:54]} Kh7 {[%emt 0:00:01]} 56. Ng5+ {[%emt 0:00:44]} Bxg5 {[%emt 0:00:11]} 57. Qf7+ {[%emt 0:01:12]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.35"]
[White "Pla, Silvio"]
[Black "Macias Zamora, Jose Armando"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2113"]
[BlackElo "1488"]
[Annotator "NA"]
[PlyCount "65"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:10]} d5 {[%emt 0:00:07]} 2. Bf4 {[%emt 0:00:36]} c5 {[%emt 0:00:10]} 3. e3 {[%emt 0:00:11]} Nc6 {[%emt 0:00:10]} 4. c3 {[%emt 0:00:40]} Nf6 {[%emt 0:01:07]} 5. Nd2 {[%emt 0:00:09]} Bf5 {[%emt 0:01:22]} 6. Qb3 {[%emt 0:07:01]} Qb6 {[%emt 0:01:23]} 7. dxc5 {[%emt 0:00:11]} Qxb3 {[%emt 0:00:43]} 8. Nxb3 {[%emt 0:00:18]} e5 {[%emt 0:00:33]} 9. Bg3 {[%emt 0:00:43]} Ne4 {[%emt 0:01:08]} 10. Bb5 {[%emt 0:00:52]} f6 {[%emt 0:04:30]} 11. O-O-O {[%emt 0:34:24]} O-O-O {[%emt 0:06:14]} 12. Bd3 {[%emt 0:03:32]} Nxg3 {[%emt 0:01:08]} 13. hxg3 {[%emt 0:00:04]} Bxd3 {[%emt 0:00:26]} 14. Rxd3 {[%emt 0:00:02]} e4 {[%emt 0:00:13]} 15. Rd2 {[%emt 0:02:49]} Ne5 {[%emt 0:01:49]} 16. Nh3 {[%emt 0:05:36]} g5 {[%emt 0:05:10]} 17. Rhd1 {[%emt 0:00:06]} Be7 {[%emt 0:21:15]} 18. Kb1 {[%emt 0:00:29]} Nd3 {[%emt 0:01:29]} 19. Nc1 {[%emt 0:00:59]} Nxc5 {[%emt 0:03:19]} 20. Rxd5 {[%emt 0:00:22]} Rxd5 {[%emt 0:00:17]} 21. Rxd5 {[%emt 0:00:01]} Rd8 {[%emt 0:00:13]} 22. Rxd8+ {[%emt 0:00:38]} Bxd8 {[%emt 0:00:42]} 23. Kc2 {[%emt 0:00:19]} Kd7 {[%emt 0:00:40]} 24. Ng1 {[%emt 0:07:00]} f5 {[%emt 0:02:10]} 25. Nge2 {[%emt 0:00:08]} Ke6 {[%emt 0:01:21]} 26. Nd4+ {[%emt 0:05:55]} Ke5 {[%emt 0:01:19]} 27. b4 {[%emt 0:01:39]} Nd7 {[%emt 0:00:47]} 28. f4+ {[%emt 0:08:20]} exf3 {[%emt 0:00:21]} 29. gxf3 {[%emt 0:00:01]} f4 {[%emt 0:02:22]} 30. Nd3+ {[%emt 0:00:27]} Kf6 {[%emt 0:00:48]} 31. exf4 {[%emt 0:00:11]} Bc7 {[%emt 0:01:32]} 32. fxg5+ {[%emt 0:00:21]} Kxg5 {[%emt 0:00:01]} 33. Ne6+ {[%emt 0:00:01]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.36"]
[White "Davalos Prieto, Abel Justo"]
[Black "Jorajuria Mendoza, Zuben Algenubi"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2103"]
[BlackElo "1582"]
[Annotator "NA"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:09]} d5 {[%emt 0:00:08]} 2. Bf4 {[%emt 0:00:14]} Bf5 {[%emt 0:00:31]} 3. Nc3 {[%emt 0:00:19]} Nf6 {[%emt 0:00:15]} 4. f3 {[%emt 0:00:27]} e6 {[%emt 0:01:12]} 5. g4 {[%emt 0:02:27]} Bg6 {[%emt 0:00:13]} 6. h4 {[%emt 0:00:10]} h6 {[%emt 0:00:20]} 7. e3 {[%emt 0:00:22]} Be7 {[%emt 0:01:28]} 8. Bd3 {[%emt 0:05:24]} Bxd3 {[%emt 0:01:00]} 9. Qxd3 {[%emt 0:00:16]} Nfd7 {[%emt 0:00:11]} 10. O-O-O {[%emt 0:02:42]} Bxh4 {[%emt 0:00:33]} 11. Bxc7 {[%emt 0:00:32]} Qxc7 {[%emt 1:30:09]} 12. Rxh4 {[%emt 0:00:16]} Na6 {[%emt 1:29:40]} 13. a3 {[%emt 0:03:38]} O-O-O {[%emt 0:01:14]} 14. Nge2 {[%emt 0:01:36]} Kb8 {[%emt 0:01:27]} 15. f4 {[%emt 1:19:28]} Rc8 {[%emt 0:02:19]} 16. Rdh1 {[%emt 0:00:00]} Rhg8 {[%emt 0:01:20]} 17. Rg1 {[%emt 0:00:00]} Nb6 {[%emt 0:02:44]} 18. b3 {[%emt 0:00:00]} Qe7 {[%emt 0:00:35]} 19. Rhh1 {[%emt 0:00:00]} Qxa3+ {[%emt 0:00:15]} 20. Kd2 {[%emt 0:00:00]} Rc6 {[%emt 0:03:41]} 21. Ra1 {[%emt 0:00:00]} Qe7 {[%emt 0:01:49]} 22. Qb5 {[%emt 0:00:00]} Rgc8 {[%emt 0:02:14]} 23. Rhc1 {[%emt 0:00:00]} Qc7 {[%emt 0:02:11]} 24. Qa5 {[%emt 0:00:00]} Qd7 {[%emt 0:01:33]} 25. Nb5 {[%emt 0:00:00]} g6 {[%emt 0:03:15]} 26. c3 {[%emt 0:00:00]} f5 {[%emt 0:01:18]} 27. Rh1 {[%emt 0:00:00]} Qg7 {[%emt 0:01:37]} 28. Rag1 {[%emt 0:00:00]} Rh8 {[%emt 0:01:59]} 29. Nc1 {[%emt 0:00:00]} Qd7 {[%emt 0:01:35]} 30. Nd3 {[%emt 0:00:00]} Qd8 {[%emt 0:00:47]} 31. Ra1 {[%emt 0:00:00]} Nd7 {[%emt 1:06:19]} 32. Qxd8+ {[%emt 0:08:30]} Rxd8 {[%emt 0:00:10]} 33. Rxh6 {[%emt 0:00:00]} Rg8 {[%emt 0:00:52]} 34. Rg1 {[%emt 0:09:30]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.37"]
[White "Zacarias, M Ruben D"]
[Black "Herrera Aruca, Jorge Frank"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2174"]
[BlackElo "1964"]
[Annotator "NA"]
[PlyCount "63"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} e6 {[%emt 0:00:07]} 2. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:03]} 3. e5 {[%emt 0:00:04]} c5 {[%emt 0:00:06]} 4. c3 {[%emt 0:00:04]} Qb6 {[%emt 0:00:04]} 5. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:04]} 6. a3 {[%emt 0:00:05]} c4 {[%emt 0:00:04]} 7. Nbd2 {[%emt 0:00:04]} Na5 {[%emt 0:00:05]} 8. g3 {[%emt 0:00:08]} Bd7 {[%emt 0:00:05]} 9. Bg2 {[%emt 0:00:06]} O-O-O {[%emt 0:00:12]} 10. O-O {[%emt 0:00:06]} f5 {[%emt 0:00:04]} 11. Ng5 Nh6 {[%emt 0:00:30]} 12. f4 Be7 {[%emt 0:00:30]} 13. Ndf3 Nb3 {[%emt 0:00:30]} 14. Rb1 Be8 {[%emt 0:00:30]} 15. Kh1 Nf7 {[%emt 0:00:30]} 16. Nxf7 Bxf7 {[%emt 0:00:30]} 17. Ng5 Be8 {[%emt 0:00:30]} 18. h4 h6 {[%emt 0:00:30]} 19. Nf3 Nxc1 {[%emt 0:00:30]} 20. Qxc1 Bh5 {[%emt 0:00:30]} 21. b3 cxb3 {[%emt 0:00:30]} 22. c4 Kb8 {[%emt 0:00:30]} 23. c5 Qb5 {[%emt 0:00:30]} 24. Qe3 g5 {[%emt 0:00:30]} 25. Rxb3 Qc6 {[%emt 0:00:30]} 26. Rfb1 Rd7 {[%emt 0:00:30]} 27. Bf1 Qc8 {[%emt 0:00:30]} 28. Ba6 gxh4 {[%emt 0:00:30]} 29. Qc3 Rc7 {[%emt 0:00:30]} 30. c6 Rxc6 {[%emt 0:00:30]} 31. Rxb7+ Ka8 {[%emt 0:00:30]} 32. Rb8+ 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.38"]
[White "Alfaro, William"]
[Black "Santanna, Paulo"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2143"]
[BlackElo "1928"]
[Annotator "NA"]
[PlyCount "33"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:10:37]} c5 {[%emt 0:00:06]} 2. d4 {[%emt 0:00:03]} cxd4 {[%emt 0:00:06]} 3. c3 {[%emt 0:00:04]} g6 {[%emt 0:00:12]} 4. cxd4 {[%emt 0:00:07]} d5 {[%emt 0:00:06]} 5. e5 {[%emt 0:02:02]} Bg7 {[%emt 0:00:20]} 6. Nf3 {[%emt 0:00:13]} Bg4 {[%emt 0:00:12]} 7. Bb5+ {[%emt 0:01:32]} Nd7 {[%emt 0:00:24]} 8. Nc3 {[%emt 0:08:37]} e6 {[%emt 0:03:49]} 9. Be2 {[%emt 0:03:24]} a6 {[%emt 0:03:53]} 10. Bg5 {[%emt 0:03:49]} Ne7 {[%emt 0:03:15]} 11. Qb3 {[%emt 0:05:39]} Rb8 {[%emt 0:10:28]} 12. Qa3 {[%emt 0:09:27]} Bxf3 {[%emt 0:01:14]} 13. Bxf3 {[%emt 0:00:06]} h6 {[%emt 0:00:14]} 14. Bxe7 {[%emt 0:01:48]} Qxe7 {[%emt 0:00:03]} 15. Qa5 {[%emt 0:12:14]} O-O {[%emt 0:00:31]} 16. O-O {[%emt 0:00:01]} Qd8 {[%emt 0:02:40]} 17. Qxd8 {[%emt 0:02:40]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.39"]
[White "Flores Irurso, Paul Josue"]
[Black "Vega Garcia, Jorge Arturo"]
[Result "0-1"]
[ECO "C53"]
[WhiteElo "1912"]
[BlackElo "2121"]
[Annotator "NA"]
[PlyCount "114"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:14]} e5 {[%emt 0:00:34]} 2. Nf3 {[%emt 0:00:24]} Nc6 {[%emt 0:00:27]} 3. Bc4 {[%emt 0:01:08]} Bc5 {[%emt 0:01:23]} 4. c3 {[%emt 0:00:37]} Qe7 {[%emt 0:00:24]} 5. O-O {[%emt 0:04:14]} d6 {[%emt 0:01:20]} 6. d4 {[%emt 0:01:50]} Bb6 {[%emt 0:00:20]} 7. Bg5 {[%emt 0:02:40]} Nf6 {[%emt 0:00:27]} 8. d5 {[%emt 0:01:01]} Nb8 {[%emt 0:01:50]} 9. Qd3 {[%emt 0:02:03]} Nbd7 {[%emt 0:00:31]} 10. Nbd2 {[%emt 0:01:41]} h6 {[%emt 0:00:18]} 11. Be3 {[%emt 0:00:32]} O-O {[%emt 0:02:04]} 12. Nh4 {[%emt 0:06:14]} Nc5 {[%emt 0:04:45]} 13. Bxc5 {[%emt 0:02:48]} Bxc5 {[%emt 0:01:20]} 14. b4 {[%emt 0:03:58]} Bb6 {[%emt 0:00:17]} 15. Bb3 {[%emt 0:03:08]} Nxd5 {[%emt 0:01:04]} 16. g3 {[%emt 0:09:59]} Nf4 {[%emt 0:00:36]} 17. gxf4 {[%emt 0:00:05]} Qxh4 {[%emt 0:00:12]} 18. f5 {[%emt 0:00:04]} Kh8 {[%emt 0:00:26]} 19. Nf3 {[%emt 0:01:08]} Qf4 {[%emt 0:00:18]} 20. Ne1 {[%emt 0:03:19]} g6 {[%emt 0:01:06]} 21. Ng2 {[%emt 0:00:28]} Qg4 {[%emt 0:01:15]} 22. Qd2 {[%emt 0:06:02]} Kh7 {[%emt 0:00:44]} 23. fxg6+ {[%emt 0:03:23]} fxg6 {[%emt 0:00:19]} 24. Rae1 {[%emt 0:02:04]} Bd7 {[%emt 0:00:55]} 25. a4 {[%emt 0:00:42]} a5 {[%emt 0:00:22]} 26. b5 {[%emt 0:00:04]} Rf6 {[%emt 0:01:43]} 27. Bd1 {[%emt 0:01:40]} Qh3 {[%emt 0:02:58]} 28. Ne3 {[%emt 0:03:47]} Raf8 {[%emt 0:00:43]} 29. f3 {[%emt 0:00:50]} Qh4 {[%emt 0:04:49]} 30. Kh1 {[%emt 0:01:38]} Bh3 {[%emt 0:01:08]} 31. Nd5 {[%emt 0:03:58]} R6f7 {[%emt 0:02:06]} 32. Nxb6 {[%emt 0:00:08]} Bxf1 {[%emt 0:00:17]} 33. Rxf1 {[%emt 0:00:05]} cxb6 {[%emt 0:00:23]} 34. Qe3 {[%emt 0:04:29]} Qd8 {[%emt 0:00:34]} 35. c4 {[%emt 0:00:47]} Qc7 {[%emt 0:00:17]} 36. Be2 {[%emt 0:00:14]} Qc5 {[%emt 0:00:13]} 37. Qxc5 {[%emt 0:00:18]} bxc5 {[%emt 0:00:46]} 38. Kg2 {[%emt 0:02:46]} b6 {[%emt 0:01:39]} 39. Rd1 {[%emt 0:01:00]} Rd8 {[%emt 0:01:12]} 40. Kg3 {[%emt 0:01:10]} Kg7 {[%emt 0:00:11]} 41. Rd5 {[%emt 0:00:50]} Kf8 {[%emt 0:00:08]} 42. Rd1 {[%emt 0:00:29]} Ke7 {[%emt 0:00:15]} 43. h3 {[%emt 0:02:16]} Rf4 {[%emt 0:00:13]} 44. Rd2 {[%emt 0:03:05]} Rdf8 {[%emt 0:00:08]} 45. Rd1 {[%emt 0:00:22]} R8f6 {[%emt 0:00:07]} 46. Rd3 {[%emt 0:00:27]} g5 {[%emt 0:00:16]} 47. Rc3 {[%emt 0:01:03]} h5 {[%emt 0:00:14]} 48. Re3 {[%emt 0:00:05]} Kf7 {[%emt 0:00:21]} 49. Kg2 {[%emt 0:12:33]} Kg6 {[%emt 0:02:01]} 50. Kg3 {[%emt 0:00:26]} Rf8 {[%emt 0:01:58]} 51. Rd3 {[%emt 0:00:32]} R8f6 52. Re3 Kh6 {[%emt 0:01:21]} 53. Kg2 {[%emt 0:04:17]} g4 {[%emt 0:10:05]} 54. hxg4 {[%emt 0:00:05]} hxg4 {[%emt 0:00:10]} 55. Kf2 {[%emt 0:01:29]} Kg6 {[%emt 0:00:59]} 56. Kg2 {[%emt 0:00:11]} Kg5 {[%emt 0:01:13]} 57. Kg3 {[%emt 0:00:10]} Rxf3+ {[%emt 0:00:45]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.40"]
[White "Castellanos Hernandez, Emilio Au"]
[Black "Limon Olmos, Ivan Alonso"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1939"]
[BlackElo "2106"]
[Annotator "NA"]
[PlyCount "89"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:17:06]} d5 {[%emt 0:02:24]} 2. Nf3 {[%emt 0:00:37]} Nf6 {[%emt 0:02:40]} 3. e3 {[%emt 0:01:39]} c5 {[%emt 0:00:40]} 4. a3 {[%emt 0:05:30]} cxd4 {[%emt 0:03:34]} 5. exd4 {[%emt 0:00:14]} Nc6 {[%emt 0:00:53]} 6. c3 {[%emt 0:03:18]} Bg4 {[%emt 0:01:21]} 7. Qb3 {[%emt 0:00:46]} Qc7 {[%emt 0:03:28]} 8. Be2 {[%emt 0:01:24]} Bxf3 {[%emt 0:03:40]} 9. Bxf3 {[%emt 0:02:42]} Nxd4 {[%emt 0:00:52]} 10. Qa4+ {[%emt 0:06:25]} Nc6 {[%emt 0:00:09]} 11. O-O {[%emt 0:00:48]} e6 {[%emt 0:03:17]} 12. c4 {[%emt 0:01:01]} dxc4 {[%emt 0:06:50]} 13. Bf4 {[%emt 0:02:30]} Bd6 {[%emt 0:02:06]} 14. Bxd6 {[%emt 0:00:33]} Qxd6 {[%emt 0:00:02]} 15. Rd1 {[%emt 0:00:21]} Qc5 {[%emt 0:02:31]} 16. Bxc6+ {[%emt 0:00:18]} Qxc6 {[%emt 0:02:28]} 17. Qxc6+ {[%emt 0:00:08]} bxc6 {[%emt 0:00:05]} 18. Nd2 {[%emt 0:05:20]} c3 {[%emt 0:07:53]} 19. bxc3 {[%emt 0:00:01]} O-O-O {[%emt 0:01:23]} 20. Nf3 {[%emt 0:02:13]} Rxd1+ {[%emt 0:19:37]} 21. Rxd1 {[%emt 0:00:01]} Ne4 {[%emt 0:09:21]} 22. Ne5 {[%emt 0:04:15]} Nxc3 {[%emt 0:03:16]} 23. Rd3 {[%emt 0:01:11]} Rd8 {[%emt 0:02:12]} 24. Rxd8+ {[%emt 0:01:43]} Kxd8 {[%emt 0:02:08]} 25. Nxc6+ {[%emt 0:00:46]} Kc7 {[%emt 0:00:16]} 26. Nb4 {[%emt 0:00:34]} a5 {[%emt 0:05:34]} 27. Nc2 {[%emt 0:02:04]} Kb6 {[%emt 0:00:30]} 28. Kf1 {[%emt 0:00:01]} Kb5 {[%emt 0:01:45]} 29. Ke1 {[%emt 0:00:14]} Ka4 {[%emt 0:00:07]} 30. f4 {[%emt 0:00:54]} Kb3 {[%emt 0:01:36]} 31. Kd2 {[%emt 0:00:20]} Nb1+ {[%emt 0:00:19]} 32. Kd3 {[%emt 0:00:01]} Nxa3 {[%emt 0:01:16]} 33. Nd4+ {[%emt 0:00:04]} Kb2 {[%emt 0:00:52]} 34. g4 {[%emt 0:00:08]} a4 {[%emt 0:00:39]} 35. f5 {[%emt 0:01:41]} exf5 {[%emt 0:02:01]} 36. gxf5 {[%emt 0:00:06]} Nb1 {[%emt 0:01:01]} 37. Nb5 {[%emt 0:01:02]} a3 {[%emt 0:00:27]} 38. Nxa3 {[%emt 0:00:41]} Nxa3 {[%emt 0:00:28]} 39. f6 {[%emt 0:00:54]} gxf6 {[%emt 0:02:54]} 40. Ke4 {[%emt 0:00:18]} Nb5 {[%emt 0:00:13]} 41. Kf5 {[%emt 0:00:16]} Nd6+ {[%emt 0:00:04]} 42. Kxf6 {[%emt 0:00:35]} Kc3 {[%emt 0:00:12]} 43. h4 {[%emt 0:00:39]} Kd4 {[%emt 0:00:04]} 44. h5 {[%emt 0:00:45]} Ke4 {[%emt 0:06:53]} 45. h6 {[%emt 0:00:01]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.41"]
[White "Gutierrez Herrera, Jose Antonio"]
[Black "Mateos Lopez, Luis Javier"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "2059"]
[BlackElo "1910"]
[Annotator "NA"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 {[%emt 0:08:21]} 2. Nf3 {[%emt 0:03:53]} d6 {[%emt 0:00:18]} 3. d4 {[%emt 0:01:08]} cxd4 {[%emt 0:00:14]} 4. Nxd4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:18]} 5. Nc3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:15]} 6. Be3 {[%emt 0:00:23]} Ng4 {[%emt 0:01:34]} 7. Bg5 {[%emt 0:05:00]} Qb6 {[%emt 0:02:59]} 8. Be3 {[%emt 0:31:48]} Nxe3 {[%emt 0:04:10]} 9. fxe3 {[%emt 0:00:02]} e6 {[%emt 0:07:18]} 10. Qd2 {[%emt 0:00:35]} Be7 {[%emt 0:00:57]} 11. O-O-O {[%emt 0:11:57]} a6 {[%emt 0:07:08]} 12. Kb1 {[%emt 0:00:05]} O-O {[%emt 0:00:32]} 13. h4 {[%emt 0:00:10]} Bd7 {[%emt 0:05:27]} 14. g4 {[%emt 0:00:23]} Ne5 {[%emt 0:02:08]} 15. g5 {[%emt 0:00:29]} Rac8 {[%emt 0:05:12]} 16. Be2 {[%emt 0:00:47]} Qc7 {[%emt 0:04:13]} 17. Rdg1 {[%emt 0:01:01]} b5 {[%emt 0:00:38]} 18. Rg2 {[%emt 0:02:54]} b4 {[%emt 0:06:47]} 19. Nd1 {[%emt 0:00:12]} a5 {[%emt 0:02:54]} 20. h5 {[%emt 0:00:11]} Qb7 {[%emt 0:02:03]} 21. Nf2 {[%emt 0:01:49]} a4 {[%emt 0:01:04]} 22. g6 {[%emt 0:01:35]} fxg6 {[%emt 0:01:17]} 23. hxg6 {[%emt 0:01:39]} h6 {[%emt 0:06:39]} 24. Bd3 {[%emt 0:02:13]} Rf6 {[%emt 0:10:38]} 25. Ng4 {[%emt 0:00:19]} Nxg4 {[%emt 0:00:56]} 26. Rxg4 {[%emt 0:00:03]} e5 {[%emt 0:00:30]} 27. Rgh4 {[%emt 0:06:22]} exd4 {[%emt 0:00:11]} 28. Rxh6 {[%emt 0:00:09]} gxh6 {[%emt 0:07:14]} 29. Rxh6 {[%emt 0:00:01]} Bf8 {[%emt 0:01:00]} 30. Rh8+ {[%emt 0:00:33]} Kxh8 {[%emt 0:00:20]} 31. Qh2+ {[%emt 0:00:14]} Bh3 {[%emt 0:00:18]} 32. Qxh3+ {[%emt 0:00:22]} Kg8 {[%emt 0:00:03]} 33. Ba6 {[%emt 0:04:01]} Rxg6 {[%emt 0:01:04]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.42"]
[White "Martinez de La Trinidad, Alexandra"]
[Black "Zarate Manjarrez, Alfredo"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1843"]
[BlackElo "2026"]
[Annotator "NA"]
[PlyCount "97"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} c5 {[%emt 0:00:15]} 2. d5 {[%emt 0:00:07]} d6 {[%emt 0:00:55]} 3. e4 {[%emt 1:31:50]} g6 {[%emt 0:00:23]} 4. a4 {[%emt 0:00:06]} Bg7 {[%emt 0:00:34]} 5. h3 {[%emt 0:00:06]} Nf6 {[%emt 0:04:37]} 6. Nc3 {[%emt 0:00:09]} O-O {[%emt 0:00:24]} 7. Nge2 {[%emt 0:00:05]} e6 {[%emt 0:11:49]} 8. Ng3 {[%emt 0:00:44]} exd5 {[%emt 0:01:06]} 9. exd5 {[%emt 0:00:17]} Re8+ {[%emt 0:00:48]} 10. Be2 {[%emt 0:00:07]} Na6 {[%emt 0:08:19]} 11. O-O {[%emt 0:00:24]} Nc7 {[%emt 0:00:22]} 12. Be3 {[%emt 0:00:13]} b6 {[%emt 0:04:36]} 13. Qd2 {[%emt 0:01:43]} Bb7 {[%emt 0:02:57]} 14. Bg5 {[%emt 0:01:09]} Qd7 {[%emt 0:00:48]} 15. Bf3 {[%emt 1:32:38]} a6 {[%emt 1:00:07]} 16. Rad1 {[%emt 0:01:01]} b5 {[%emt 0:00:26]} 17. Qf4 {[%emt 0:02:58]} b4 {[%emt 0:05:06]} 18. Bxf6 {[%emt 0:02:08]} bxc3 {[%emt 0:00:06]} 19. bxc3 {[%emt 0:00:11]} Bxf6 {[%emt 0:06:14]} 20. Qxf6 {[%emt 0:01:36]} Re5 {[%emt 0:00:06]} 21. c4 {[%emt 0:01:27]} Ne8 {[%emt 0:09:01]} 22. Qf4 {[%emt 0:03:14]} f5 {[%emt 0:00:06]} 23. Rb1 {[%emt 0:00:28]} Qc7 {[%emt 0:03:23]} 24. Rb3 {[%emt 0:00:50]} Rd8 {[%emt 0:22:31]} 25. Rfb1 {[%emt 0:00:08]} Bc8 {[%emt 0:00:04]} 26. Qd2 {[%emt 0:01:45]} Qe7 {[%emt 0:02:40]} 27. Bd1 {[%emt 0:08:45]} Nf6 {[%emt 0:01:52]} 28. Bf3 {[%emt 0:15:03]} Re8 {[%emt 0:00:10]} 29. Re3 {[%emt 0:03:35]} f4 {[%emt 0:00:40]} 30. Rxe5 {[%emt 0:00:08]} Qxe5 {[%emt 0:00:01]} 31. Ne2 {[%emt 0:01:54]} g5 {[%emt 0:00:05]} 32. Qc3 {[%emt 0:04:05]} Kg7 {[%emt 0:03:05]} 33. Qxe5 {[%emt 0:01:18]} dxe5 {[%emt 0:00:01]} 34. Nc3 {[%emt 0:00:20]} e4 {[%emt 0:00:02]} 35. Be2 {[%emt 0:00:26]} e3 {[%emt 0:00:57]} 36. f3 {[%emt 0:01:41]} Bf5 {[%emt 0:02:53]} 37. Bd3 {[%emt 0:00:18]} Kg6 {[%emt 0:00:02]} 38. Kf1 {[%emt 0:00:29]} e2+ {[%emt 0:04:08]} 39. Nxe2 {[%emt 0:50:44]} Re3 {[%emt 0:00:55]} 40. Rb3 {[%emt 0:00:18]} h5 {[%emt 0:00:49]} 41. Kf2 {[%emt 0:03:53]} Re7 {[%emt 0:03:51]} 42. h4 {[%emt 0:05:47]} Nd7 {[%emt 0:01:04]} 43. hxg5 {[%emt 0:00:19]} Kxg5 {[%emt 0:00:01]} 44. Bxf5 {[%emt 0:00:22]} Kxf5 {[%emt 0:00:01]} 45. Rb7 {[%emt 0:00:18]} h4 {[%emt 0:01:27]} 46. Nc3 {[%emt 0:03:56]} Re3 {[%emt 0:00:46]} 47. Ne4 {[%emt 0:00:12]} Ne5 {[%emt 0:00:07]} 48. d6 {[%emt 0:05:27]} Ra3 {[%emt 0:06:51]} 49. d7 {[%emt 0:01:14]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.43"]
[White "Fernandez Rivero, Karla July"]
[Black "Hernandez Morales, Dillan"]
[Result "1/2-1/2"]
[ECO "A70"]
[WhiteElo "2025"]
[BlackElo "1846"]
[Annotator "NA"]
[PlyCount "75"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:11]} Nf6 {[%emt 0:00:21]} 2. c4 {[%emt 0:00:13]} e6 {[%emt 0:00:13]} 3. Nf3 {[%emt 0:00:25]} c5 {[%emt 0:00:37]} 4. d5 {[%emt 0:00:43]} exd5 {[%emt 0:00:39]} 5. cxd5 {[%emt 0:00:09]} d6 {[%emt 0:00:15]} 6. Nc3 {[%emt 0:00:42]} g6 {[%emt 0:00:22]} 7. e4 {[%emt 0:00:24]} Bg7 {[%emt 0:01:19]} 8. h3 {[%emt 0:00:49]} O-O {[%emt 0:00:39]} 9. Bd3 {[%emt 0:00:21]} b5 {[%emt 0:01:34]} 10. Nxb5 {[%emt 0:01:22]} Re8 {[%emt 0:00:32]} 11. O-O {[%emt 0:00:50]} Nxe4 {[%emt 0:00:42]} 12. Bxe4 {[%emt 0:02:18]} Rxe4 {[%emt 0:00:20]} 13. Nc3 {[%emt 0:00:16]} Re8 {[%emt 0:00:49]} 14. Bg5 {[%emt 0:01:03]} f6 {[%emt 0:02:22]} 15. Bf4 {[%emt 0:02:19]} Bf8 {[%emt 0:04:23]} 16. Re1 {[%emt 0:06:03]} Rxe1+ {[%emt 0:02:54]} 17. Qxe1 {[%emt 0:00:08]} Nd7 {[%emt 0:00:03]} 18. Bxd6 {[%emt 0:04:55]} Nb6 {[%emt 1:21:26]} 19. Bxf8 {[%emt 0:00:51]} Kxf8 {[%emt 0:00:00]} 20. Qe3 {[%emt 0:04:48]} Qe7 {[%emt 0:00:00]} 21. Qh6+ {[%emt 0:00:41]} Qg7 {[%emt 0:00:00]} 22. Qxg7+ {[%emt 0:02:11]} Kxg7 {[%emt 0:00:00]} 23. Re1 {[%emt 0:00:13]} Kf8 {[%emt 0:00:00]} 24. Ne4 {[%emt 0:05:42]} Nxd5 25. Nxc5 Rb8 {[%emt 0:00:00]} 26. b3 {[%emt 0:09:40]} Kf7 27. Nd4 {[%emt 0:56:43]} Ne7 {[%emt 0:00:00]} 28. a3 {[%emt 0:00:00]} Rb6 {[%emt 0:00:00]} 29. b4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 30. Nc2 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 31. Ne3 {[%emt 0:00:00]} axb4 {[%emt 0:00:00]} 32. Nc4 {[%emt 0:00:00]} Rb8 {[%emt 0:00:00]} 33. Nd6+ {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 34. axb4 {[%emt 0:00:00]} Bf5 {[%emt 0:00:00]} 35. b5 {[%emt 0:00:00]} Nd4 {[%emt 0:08:30]} 36. Re7+ {[%emt 0:00:00]} Kg8 {[%emt 0:00:30]} 37. Rc7 {[%emt 0:05:00]} Ne6 38. Rb7 {[%emt 0:00:00]} 1/2-1/2

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.44"]
[White "Mares Arellano, Juan Antoni"]
[Black "Ocampo, Cristina"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1812"]
[BlackElo "2024"]
[Annotator "NA"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:05]} d5 {[%emt 0:00:29]} 2. Nf3 {[%emt 0:00:16]} Nf6 {[%emt 0:00:09]} 3. g3 {[%emt 0:00:23]} Bf5 {[%emt 0:01:15]} 4. Bg2 {[%emt 0:00:11]} e6 {[%emt 0:00:06]} 5. c4 {[%emt 0:00:08]} c6 {[%emt 0:02:08]} 6. Nc3 {[%emt 0:00:11]} h6 {[%emt 0:00:23]} 7. O-O {[%emt 0:02:06]} Be7 {[%emt 0:00:59]} 8. e3 {[%emt 0:08:58]} O-O {[%emt 0:02:09]} 9. Qe2 {[%emt 0:00:19]} Nbd7 {[%emt 0:00:33]} 10. Nd2 {[%emt 0:07:44]} Bh7 {[%emt 0:00:56]} 11. b3 {[%emt 0:06:21]} Re8 {[%emt 0:17:31]} 12. cxd5 {[%emt 0:02:31]} Nxd5 {[%emt 0:10:51]} 13. Bb2 {[%emt 0:08:20]} Bb4 {[%emt 0:05:13]} 14. Rfc1 {[%emt 0:01:30]} Nxc3 {[%emt 0:06:23]} 15. Bxc3 {[%emt 0:00:20]} Ba3 {[%emt 0:00:27]} 16. Rd1 {[%emt 0:00:28]} Nf6 {[%emt 0:02:56]} 17. Nc4 {[%emt 0:17:15]} Be7 {[%emt 0:00:14]} 18. a4 {[%emt 0:03:18]} Nd5 {[%emt 0:01:07]} 19. Be1 {[%emt 0:00:21]} a5 {[%emt 0:06:08]} 20. e4 {[%emt 0:01:15]} Nb4 {[%emt 0:00:16]} 21. Bc3 {[%emt 0:02:56]} Qc7 {[%emt 0:02:59]} 22. Rac1 {[%emt 0:05:05]} Rad8 {[%emt 0:00:51]} 23. Qb2 {[%emt 0:00:47]} Bf6 {[%emt 0:02:26]} 24. Ne3 {[%emt 0:04:14]} h5 {[%emt 0:04:49]} 25. Bf3 {[%emt 0:01:00]} Bg6 {[%emt 0:08:04]} 26. h4 {[%emt 0:01:44]} Qb6 {[%emt 0:03:30]} 27. Bxb4 {[%emt 0:05:34]} axb4 {[%emt 0:02:24]} 28. e5 {[%emt 0:00:12]} Be7 {[%emt 0:00:30]} 29. Qa1 {[%emt 0:01:32]} Rd7 {[%emt 0:01:25]} 30. Nc4 {[%emt 0:03:42]} Qa7 {[%emt 0:00:25]} 31. a5 {[%emt 0:00:28]} Bd8 {[%emt 0:04:17]} 32. a6 {[%emt 0:03:03]} Ree7 {[%emt 0:06:25]} 33. axb7 {[%emt 0:01:27]} Rxb7 {[%emt 0:00:17]} 34. Nd6 {[%emt 0:01:15]} Rb8 {[%emt 0:03:28]} 35. Rxc6 {[%emt 0:00:53]} Bb6 {[%emt 0:03:45]} 36. Nc8 {[%emt 0:01:50]} Rxc8 {[%emt 0:00:49]} 37. Rxc8+ {[%emt 0:01:10]} Kh7 {[%emt 0:00:01]} 38. Qxa7 {[%emt 0:01:07]} Rxa7 {[%emt 0:00:21]} 39. Rc4 {[%emt 0:01:19]} Ra3 {[%emt 0:01:56]} 40. Rxb4 {[%emt 0:00:26]} Ba7 {[%emt 0:00:32]} 41. Rc1 {[%emt 0:01:08]} Ra5 {[%emt 0:00:57]} 42. Ra4 {[%emt 0:00:36]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.45"]
[White "Martin Del Campo C., Jorge"]
[Black "Ramirez Toledo, Ayleen Maribel"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2019"]
[BlackElo "1810"]
[Annotator "NA"]
[PlyCount "77"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:11]} 2. Nf3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:06]} 3. Bb5 {[%emt 0:00:10]} g6 {[%emt 0:00:08]} 4. O-O {[%emt 0:00:10]} Bg7 {[%emt 0:00:06]} 5. c3 {[%emt 0:00:04]} a6 {[%emt 0:05:44]} 6. Bxc6 {[%emt 0:01:45]} bxc6 {[%emt 0:00:51]} 7. h3 {[%emt 0:02:06]} Nf6 {[%emt 0:02:56]} 8. d3 {[%emt 0:03:36]} O-O {[%emt 0:01:25]} 9. Be3 {[%emt 0:00:22]} d6 {[%emt 0:08:19]} 10. Na3 {[%emt 0:03:22]} h6 {[%emt 0:03:23]} 11. Qd2 {[%emt 0:07:37]} Kh7 {[%emt 0:00:21]} 12. Nh2 {[%emt 0:05:58]} Ng8 {[%emt 0:03:30]} 13. f4 {[%emt 1:11:37]} f5 {[%emt 0:16:04]} 14. e5 {[%emt 0:14:04]} dxe5 {[%emt 0:01:11]} 15. fxe5 {[%emt 0:00:15]} Bxe5 {[%emt 0:01:05]} 16. Bxc5 {[%emt 0:00:17]} Bc7 {[%emt 0:11:40]} 17. Rae1 {[%emt 0:03:51]} Re8 {[%emt 0:01:29]} 18. Nc4 {[%emt 0:06:45]} e5 {[%emt 0:01:45]} 19. Nf3 {[%emt 0:03:30]} Qd5 {[%emt 0:04:47]} 20. Bb6 {[%emt 0:00:58]} Bb8 {[%emt 0:17:06]} 21. Bf2 {[%emt 0:03:27]} Bc7 {[%emt 0:04:52]} 22. Bg3 {[%emt 0:02:04]} Bb7 {[%emt 0:04:40]} 23. Bxe5 {[%emt 0:01:32]} Bxe5 {[%emt 0:10:21]} 24. Rxe5 {[%emt 0:04:52]} Rxe5 {[%emt 0:00:31]} 25. Nfxe5 {[%emt 0:00:21]} Re8 {[%emt 0:00:59]} 26. Re1 {[%emt 0:04:26]} Nf6 {[%emt 0:00:46]} 27. Nf3 {[%emt 0:02:30]} Rxe1+ {[%emt 0:03:24]} 28. Qxe1 {[%emt 0:01:13]} Qc5+ {[%emt 0:03:10]} 29. Kf1 {[%emt 0:05:21]} Ne4 {[%emt 0:01:04]} 30. Nfe5 {[%emt 0:02:46]} Ng5 {[%emt 0:00:50]} 31. Qf2 {[%emt 0:02:45]} Qd5 {[%emt 0:00:39]} 32. b4 {[%emt 0:06:44]} Ne6 {[%emt 0:00:33]} 33. d4 {[%emt 0:05:42]} Ng5 {[%emt 0:00:37]} 34. Qg3 {[%emt 0:00:16]} Qe6 {[%emt 0:00:19]} 35. Nd2 {[%emt 0:02:15]} Qxa2 {[%emt 0:00:45]} 36. Nec4 {[%emt 0:00:13]} Qa1+ {[%emt 0:00:28]} 37. Ke2 {[%emt 0:00:11]} Ne4 {[%emt 0:00:29]} 38. Qc7+ {[%emt 0:00:12]} Kg8 {[%emt 0:00:09]} 39. Qb8+ {[%emt 0:00:10]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.46"]
[White "Diaz Gonzalez Jardon, Emmanuel"]
[Black "Guerrero Rodriguez, Alejandra"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "1807"]
[BlackElo "2019"]
[Annotator "NA"]
[PlyCount "40"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:05:04]} c5 {[%emt 0:00:51]} 2. d5 {[%emt 0:00:14]} d6 {[%emt 0:00:07]} 3. c4 {[%emt 0:00:12]} Nf6 {[%emt 0:00:21]} 4. Nc3 {[%emt 0:00:32]} g6 {[%emt 0:00:06]} 5. Bg5 {[%emt 0:03:19]} Bg7 {[%emt 0:00:56]} 6. Qd2 {[%emt 0:00:59]} O-O {[%emt 0:03:18]} 7. Bh6 {[%emt 0:02:28]} e6 {[%emt 0:03:14]} 8. Bxg7 {[%emt 0:03:19]} Kxg7 {[%emt 0:00:16]} 9. dxe6 {[%emt 0:07:32]} Bxe6 {[%emt 0:01:00]} 10. e3 {[%emt 0:00:14]} Nc6 {[%emt 0:02:14]} 11. O-O-O {[%emt 0:04:15]} Qa5 {[%emt 0:03:44]} 12. Qxd6 {[%emt 0:06:43]} Rfd8 {[%emt 0:06:14]} 13. Qf4 {[%emt 0:00:13]} Rxd1+ {[%emt 0:00:28]} 14. Kxd1 {[%emt 0:00:08]} Nb4 {[%emt 0:01:07]} 15. a3 {[%emt 0:02:52]} Rd8+ {[%emt 0:00:51]} 16. Ke1 {[%emt 0:05:19]} Nc2+ {[%emt 0:01:15]} 17. Ke2 {[%emt 0:00:07]} Nxa3 {[%emt 0:00:16]} 18. f3 {[%emt 0:06:20]} Nxc4 {[%emt 0:02:03]} 19. Kf2 {[%emt 0:05:50]} Nxb2 {[%emt 0:01:25]} 20. Qe5 {[%emt 0:00:42]} Qxc3 {[%emt 0:01:40]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.48"]
[White "Nava Ruiz, Miguel Angel"]
[Black "Huguet, Sergio"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1696"]
[BlackElo "1977"]
[Annotator "NA"]
[PlyCount "63"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:01:22]} e6 {[%emt 0:00:23]} 3. c4 {[%emt 0:00:40]} c6 {[%emt 0:00:17]} 4. Nc3 {[%emt 0:03:22]} dxc4 {[%emt 0:01:48]} 5. e4 {[%emt 0:00:47]} b5 {[%emt 0:01:04]} 6. Be2 {[%emt 0:02:05]} Bb4 {[%emt 0:03:59]} 7. O-O {[%emt 0:02:50]} Nf6 {[%emt 0:05:34]} 8. Qc2 {[%emt 0:01:02]} Nbd7 {[%emt 0:03:26]} 9. a4 {[%emt 0:01:11]} Bxc3 {[%emt 0:09:44]} 10. bxc3 {[%emt 0:00:17]} Bb7 {[%emt 0:08:41]} 11. e5 {[%emt 0:14:48]} Nd5 {[%emt 0:02:15]} 12. Ng5 {[%emt 0:00:42]} N7b6 {[%emt 0:07:27]} 13. Ne4 {[%emt 0:00:43]} O-O {[%emt 0:07:37]} 14. Ba3 {[%emt 0:04:29]} Nxa4 {[%emt 0:45:06]} 15. Bxf8 {[%emt 0:00:20]} Qxf8 {[%emt 0:00:00]} 16. Bxc4 {[%emt 1:03:49]} Nab6 {[%emt 0:00:00]} 17. Bxd5 {[%emt 0:00:00]} cxd5 {[%emt 0:00:00]} 18. Nd6 {[%emt 0:00:00]} Bc6 {[%emt 0:00:00]} 19. Ra6 {[%emt 0:00:00]} Qe7 {[%emt 0:00:00]} 20. Rb1 {[%emt 0:00:00]} Qd7 {[%emt 0:00:00]} 21. Qb3 {[%emt 0:00:00]} Nc4 22. Nxc4 {[%emt 0:00:00]} dxc4 {[%emt 0:00:00]} 23. Qb4 {[%emt 0:00:00]} Bxg2 {[%emt 0:00:00]} 24. Qxb5 {[%emt 0:00:00]} Qxb5 {[%emt 0:00:00]} 25. Rxb5 {[%emt 0:00:00]} Bd5 {[%emt 0:00:00]} 26. Rxa7 {[%emt 0:00:00]} Rf8 {[%emt 0:00:00]} 27. f4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 28. Kf2 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} 29. exf6 {[%emt 0:00:00]} Rxf6 {[%emt 0:00:00]} 30. Rb8+ {[%emt 0:00:00]} Rf8 {[%emt 0:00:00]} 31. Rxf8+ {[%emt 0:00:00]} Kxf8 {[%emt 0:00:00]} 32. Rxh7 {[%emt 0:00:00]} 1-0

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.50"]
[White "Ruiz Ortiz, Gabriel Abraham"]
[Black "Fernandez Sanchez, Mario Andres"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1709"]
[BlackElo "2093"]
[Annotator "NA"]
[PlyCount "54"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:24]} 2. Nc3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:05]} 3. f4 {[%emt 0:00:22]} g6 {[%emt 0:00:23]} 4. Bb5 {[%emt 0:00:20]} Nd4 {[%emt 0:00:06]} 5. Nf3 {[%emt 0:00:13]} Bg7 {[%emt 0:00:37]} 6. O-O {[%emt 0:00:45]} Nxb5 {[%emt 0:00:34]} 7. Nxb5 {[%emt 0:00:07]} d5 {[%emt 0:00:09]} 8. exd5 {[%emt 0:00:25]} a6 {[%emt 0:00:03]} 9. Nc3 {[%emt 0:00:28]} Nf6 {[%emt 0:00:01]} 10. d4 {[%emt 0:04:48]} c4 {[%emt 0:03:32]} 11. Qe2 {[%emt 0:13:26]} b5 {[%emt 0:01:18]} 12. Re1 {[%emt 0:01:33]} Bb7 {[%emt 0:02:31]} 13. f5 {[%emt 0:11:19]} Nxd5 {[%emt 0:17:14]} 14. Nxd5 {[%emt 0:18:55]} Bxd5 {[%emt 0:00:04]} 15. Bg5 {[%emt 0:00:57]} f6 {[%emt 0:11:05]} 16. Bh4 {[%emt 0:06:52]} gxf5 {[%emt 0:11:57]} 17. Ng5 {[%emt 0:09:33]} fxg5 {[%emt 0:11:21]} 18. Qh5+ {[%emt 0:00:19]} Bf7 {[%emt 0:02:07]} 19. Qxg5 {[%emt 0:01:06]} Qxd4+ {[%emt 0:01:19]} 20. Kh1 {[%emt 0:01:22]} O-O {[%emt 0:01:00]} 21. Qxf5 {[%emt 0:04:39]} Qxh4 {[%emt 0:00:16]} 22. Re3 {[%emt 0:01:17]} Bg6 {[%emt 0:00:58]} 23. Qd5+ {[%emt 0:00:45]} Kh8 {[%emt 0:00:06]} 24. Rh3 {[%emt 0:01:49]} Qf6 {[%emt 0:00:20]} 25. g4 {[%emt 0:02:05]} Rad8 {[%emt 0:00:06]} 26. Qb7 {[%emt 0:01:47]} Qd4 {[%emt 0:00:09]} 27. Re1 {[%emt 0:01:28]} Rf1+ {[%emt 0:00:10]} 0-1

[Event "VIII Iberoamericano Mexico 2022"]
[Site "Mexico City"]
[Date "2022.02.19"]
[Round "9.51"]
[White "Cortes Rodriguez, Marco"]
[Black "Alvidrez Aguirre, Genaro"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2001"]
[BlackElo "1880"]
[Annotator "NA"]
[PlyCount "115"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 1:31:00]} d5 {[%emt 1:31:00]} 2. c4 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 3. e3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 4. b3 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 5. Bb2 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 6. Be2 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 7. O-O {[%emt 0:00:30]} Re8 {[%emt 0:00:30]} 8. d4 {[%emt 0:00:30]} Bf5 {[%emt 0:00:30]} 9. Nbd2 {[%emt 0:00:30]} Ne4 {[%emt 0:00:30]} 10. Nxe4 {[%emt 0:00:30]} Bxe4 {[%emt 0:00:30]} 11. Nd2 {[%emt 0:00:30]} Bf5 {[%emt 0:00:30]} 12. g4 {[%emt 0:00:30]} Bc8 {[%emt 0:00:30]} 13. f4 {[%emt 0:00:30]} c5 {[%emt 0:00:30]} 14. cxd5 {[%emt 0:00:30]} cxd4 {[%emt 0:00:30]} 15. Bf3 {[%emt 0:00:30]} dxe3 {[%emt 0:00:30]} 16. Bxg7 {[%emt 0:00:30]} Kxg7 {[%emt 0:00:30]} 17. Nc4 {[%emt 0:00:30]} Na6 {[%emt 0:00:30]} 18. Qd4+ {[%emt 0:00:30]} Kg8 {[%emt 0:00:30]} 19. Nxe3 {[%emt 0:00:30]} Qd6 {[%emt 0:00:30]} 20. Rac1 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 21. fxe5 {[%emt 0:00:30]} Qxe5 {[%emt 0:00:30]} 22. Qxe5 {[%emt 0:00:30]} Rxe5 {[%emt 0:00:30]} 23. Nc4 {[%emt 0:00:30]} Re8 {[%emt 0:00:30]} 24. Nd6 {[%emt 0:00:30]} Rd8 {[%emt 0:00:30]} 25. Nxc8 {[%emt 0:00:30]} Raxc8 {[%emt 0:00:30]} 26. Rxc8 {[%emt 0:00:30]} Rxc8 {[%emt 0:00:30]} 27. d6 Rd8 {[%emt 0:00:30]} 28. Bxb7 {[%emt 0:01:00]} Nc5 {[%emt 0:00:30]} 29. Bd5 {[%emt 0:00:30]} Ne6 {[%emt 0:00:30]} 30. Bxe6 {[%emt 0:00:30]} fxe6 {[%emt 0:00:30]} 31. Rd1 {[%emt 0:00:30]} Kf7 {[%emt 0:00:30]} 32. Kf2 {[%emt 0:00:30]} Ke8 {[%emt 0:00:30]} 33. Ke3 {[%emt 0:00:30]} Kd7 {[%emt 0:00:30]} 34. Rc1 {[%emt 0:00:30]} a5 {[%emt 0:00:30]} 35. Rc7+ {[%emt 0:00:30]} Kxd6 {[%emt 0:00:30]} 36. Rxh7 {[%emt 0:00:30]} Ke5 {[%emt 0:00:30]} 37. Rg7 {[%emt 0:00:30]} Kf6 {[%emt 0:00:30]} 38. Ra7 {[%emt 0:00:30]} Rd5 {[%emt 0:00:30]} 39. h4 {[%emt 0:00:30]} Rb5 {[%emt 0:00:30]} 40. g5+ {[%emt 0:00:30]} Kf5 {[%emt 0:00:30]} 41. Rf7+ {[%emt 0:00:30]} Kg4 {[%emt 0:00:30]} 42. Rf4+ {[%emt 0:00:30]} Kg3 {[%emt 0:00:30]} 43. Re4 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 44. h5 {[%emt 0:00:30]} gxh5 {[%emt 0:00:30]} 45. g6 {[%emt 0:00:30]} h4 {[%emt 0:00:30]} 46. g7 {[%emt 0:00:30]} Rb8 {[%emt 0:00:30]} 47. Rxe5 {[%emt 0:00:30]} Kg4 {[%emt 0:00:30]} 48. Rxa5 {[%emt 0:00:30]} Rg8 {[%emt 0:00:30]} 49. Ra7 {[%emt 0:00:30]} Kg3 {[%emt 0:00:30]} 50. b4 {[%emt 0:00:30]} h3 {[%emt 0:00:30]} 51. Ra6 {[%emt 0:00:30]} Rxg7 {[%emt 0:00:30]} 52. Rh6 {[%emt 0:00:30]} Ra7 {[%emt 0:00:30]} 53. Rg6+ {[%emt 0:00:30]} Kh2 {[%emt 0:00:30]} 54. b5 {[%emt 0:00:30]} Rxa2 {[%emt 0:00:30]} 55. b6 {[%emt 0:00:30]} Rg2 {[%emt 0:00:30]} 56. Rh6 {[%emt 0:00:30]} Rb2 {[%emt 0:00:30]} 57. Kf3 {[%emt 0:00:30]} Rb3+ {[%emt 0:00:30]} 58. Ke4 {[%emt 0:00:30]} 1/2-1/2

