[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.22"]
[Round "1.1"]
[White "Ulaneo, Nicolas"]
[Black "Rodi, Luis Ernesto"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "2164"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,103,-2,-2,-15,0,-18,0,0,-2,-17,-17,-15,-14,-27,8,-47,-14,-33,20,9,30,28,56,55,49,50,50,54,43,52,46,35,54,57,58,60,55,45,43,16,30,0,0,0,16,2,9,10,118,118,125,118,127,117,122,120,397,425,493,535,610,610,610,604,904,510,500,491,12693,4134,7245,6495,1517,1291,29967,29964,29976,29977,29976,29978,29978,29980,29980,29981,29977,29979,29985,29985,29985,29986,29987,29988,29988,29989,29989,29990]} 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 Nc6 5. d3 O-O 6. Nge2 {C26: Vienna Game: 2...Nf6, sidelines .} Nd4 7. O-O d6 8. Nxd4 {The position is equal.} Bxd4 9. h3 {[#]} c6 $146 ({Predecessor:} 9... Be6 10. Ne2 Bb6 11. c4 c6 {½-½ (11) Boricsev,O (2398)-Maryasin,B (2321) Feffernitz 2011}) 10. Ne2 Bb6 11. d4 Qe7 12. Qd3 (12. Re1 $11) 12... Re8 13. Bd2 exd4 (13... d5 $15) 14. Nxd4 $11 d5 15. exd5 Nxd5 16. Rfe1 Qd8 17. Rxe8+ Qxe8 18. Re1 {[%cal Re1e8]} Qd8 {[#]} 19. Bg5 $1 f6 (19... Qf8 20. a3) 20. Bc1 Bd7 21. Nf5 Bxf5 22. Qxf5 Qd6 23. c4 Ne7 24. Qg4 {[#] Bf4 is the strong threat.} f5 25. Qg5 Ng6 26. Be3 ({Reject} 26. Qxf5 Rf8 $17) 26... Qb4 (26... Qe6 {seems wilder.} 27. Bf1 Qe4 28. b3 Rf8 29. c5 Bd8) 27. Rd1 Bxe3 28. Qxe3 Nf8 (28... Qxb2 $11 29. Qe6+ Kh8) 29. b3 $16 a5 30. c5 a4 31. Bf1 axb3 32. axb3 h6 $2 {[%mdl 8192] This costs Black the game.} (32... Qe4 $16) 33. Bc4+ $18 Kh7 34. Qe5 Ng6 35. Qxf5 {Strongly threatening Bd3.} Rf8 36. Qc2 Rf6 37. Rd8 Qe1+ 38. Kg2 {aiming for Bg8+.} h5 (38... Qe7 $142) 39. Bd3 Qe7 40. Bxg6+ Rxg6 {[%mdl 4096] Endgame KQR-KQR} 41. Rd6 Qf7 42. f4 {White mates.} Kh6 43. Rxg6+ Qxg6 44. Qxg6+ Kxg6 {KP-KP} 45. Kf3 Kf5 46. g4+ Ke6 47. Ke4 h4 48. f5+ Kf6 49. Kf4 g5+ 50. Ke4 Kf7 51. Ke5 Ke7 52. f6+ {Weighted Error Value: White=0.15/Black=0.37} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.22"]
[Round "1.3"]
[White "Granara Barreto, Sebastian"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2156"]
[BlackElo "2428"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,80,27,39,27,35,35,34,32,32,35,38,13,18,18,29,25,33,0,18,0,24,22,20,6,16,0,27,-10,-8,-41,-34,-47,-10,-57,-47,-48,-69,-79,-20,-18,-12,-34,55,-47,-37,-37,-27,-79,-77,-57,-60,-103,66,-160,-150,-275,-271,-266,-264,-285,-320,-307,-284,-742,-748,-738,-710]} 1. e4 {Schussler,H} d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. a4 a5 9. b3 {C41: Philidor Defence.} Re8 10. Bb2 Bf8 11. Qd2 {White is slightly better.} Qb6 12. Rfe1 exd4 {[#]} 13. Qxd4 $146 (13. Nxd4 {looks sharper.} Nc5 14. Kh1 g6 15. f3 Qc7 16. Rad1) ({Predecessor:} 13. Nxd4 Nc5 14. h3 Bd7 15. Rad1 Rad8 16. Kh2 Bc8 17. f4 g6 18. Qf2 Bg7 19. Rd2 {1-0 (49) Zapata,A (2480)-Alzate,D (2390) Cali 1990 CBM 019 [Schussler,H]}) 13... Qxd4 14. Nxd4 Nc5 15. Rad1 Na6 16. Na2 Bd7 17. Nf5 Bxf5 18. exf5 d5 19. Bc3 Nb4 20. Nxb4 {[#] Black must now prevent Nd3.} Bxb4 21. Bxb4 axb4 22. f3 Kf8 23. Kf2 Ra5 24. Rxe8+ (24. Rd4 {is more complex.} Rxe1 25. Kxe1 c5 26. Rd3 d4 27. f4) 24... Nxe8 $11 {[%mdl 4096] Endgame KRB-KRN} 25. Bf1 Rc5 26. Bd3 Ke7 ({Better is} 26... Rc3 $17) 27. Re1+ Kd7 28. Ke3 Nd6 (28... Rc3 $15) 29. g4 ({White should try} 29. f6 $1 $14 gxf6 30. Bxh7) 29... Rc3 $15 30. Kd2 c5 31. Rb1 (31. a5 $11 {keeps the balance.}) 31... Kc6 $17 32. h4 f6 33. g5 Nf7 $2 (33... b6 $17) 34. f4 $2 (34. g6 $1 $14 {stays ahead.} hxg6 35. fxg6) 34... Nd6 35. Re1 (35. h5 $17 h6 36. Bb5+ Nxb5 37. axb5+ Kxb5 38. Re1) 35... c4 $19 36. bxc4 dxc4 37. Be4+ Kc5 38. h5 {[#]} h6 $1 39. gxh6 $2 (39. Bh1) 39... gxh6 40. Bg2 Rg3 {Weighted Error Value: White=0.52/Black=0.23} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.22"]
[Round "1.4"]
[White "Carbone, Diego"]
[Black "Vazquez, Facundo"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2236"]
[BlackElo "2163"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,70,25,25,25,22,18,25,25,25,13,23,28,15,17,53,45,52,16,11,-17,-19,-16,-13,-66,-66,-56,-61,-64,-56,-50,-30,-28,-28,-28,-26,-30,0,0,0,-15,-13,-9,-4,-5,-3,-14,-7,-29,-8,-22,0,-3,-3,-18,-13]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Ndxb4 9. O-O Rb8 10. Na3 {E04: Open Catalan: 5 Nf3.} O-O {10...0-0 is better than 10...a6.} 11. Qb5 b6 12. Qxc4 {White has an edge.} Ba6 13. Nb5 Qd5 14. Qxd5 Nxd5 15. a4 Na5 16. Ne5 Rbd8 17. Bxd5 {[#] Bf3 is the strong threat.} Bxb5 18. Bf3 (18. Ba2 {is interesting.} Bxa4 19. e3 c5 20. dxc5 Nc6 21. Nf3) 18... Be8 $36 {[%mdl 2048] Black fights for an advantage.} 19. Rac1 f6 20. Nd3 (20. b4 $11) 20... Nb3 $1 $15 {[%cal Rb3c1]} 21. Rxc7 Nxd4 22. Kg2 {[#]} Rf7 $146 (22... a5 {looks sharper.} 23. b4 axb4 24. Nxb4 Rf7 25. Rc3 Nxf3 26. Kxf3 Bxa4 27. Ra1 Ra7) ({Predecessor:} 22... a5 23. Ra1 e5 24. Ne1 Nb3 25. Ra3 Nc5 26. Nc2 e4 27. Bg4 f5 28. Bh3 Rd2 {0-1 (44) Stefanov,E (2455)-Sanikidze,T (2533) Kesan 2017}) 23. Rfc1 Bxa4 24. Rxf7 Kxf7 25. Ra1 $1 {[%cal Ra1a4]} Bb5 26. Rxa7+ Rd7 (26... Kf8 {with more complications.} 27. Nf4 e5 28. e3 exf4 29. exd4 Rxd4 30. Rb7 Rb4) 27. Rxd7+ Bxd7 $11 {[%mdl 4096] Endgame KBN-KBN} 28. Nb4 Ke7 29. Be4 f5 30. Bd3 Kd6 31. e3 Nb3 32. Bc2 Nc5 33. f4 {The position is equal.} e5 34. fxe5+ Kxe5 35. g4 g6 {Weighted Error Value: White=0.10/Black=0.04} 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.22"]
[Round "1.5"]
[White "Coppola, Claudio"]
[Black "Larrea, Manuel"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2248"]
[BlackElo "2222"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,83,44,16,23,24,41,24,60,33,74,29,91,99,99,98,98,98,98,86,148,133,151,164,136,108,110,120,116,125,143,134,128,127,171,129,161,138,143,89,100,102,105,102,93,93,137,137,206,208,211,191,277,281,278,219,252,232,273,268,283,283,273,270,317,316,308,281,552,549,552,546]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. Bf4 Rb8 {E63: King's Indian: Fianchetto: Panno Variation with 7...a6.} 9. Rc1 Bf5 {9...h6 is a critical line.} 10. Qd2 Re8 {[#] White has an edge.} 11. Rfd1 $146 (11. d5 $5 {[%cal Rd5c6]} e5 12. Bg5 $14) ({Predecessor:} 11. d5 Na5 12. b3 c5 13. dxc6 Nxc6 14. Nh4 Be6 15. Nd5 Nd7 16. Nf3 Nde5 17. Ng5 {1-0 (31) Jaworski,M (2268)-Drozniak,S (2084) Orlova 2016}) 11... Qc8 12. d5 Na5 (12... e5 $11 {keeps the balance.}) 13. e4 $16 Bd7 14. Ne2 b6 15. b4 Nb7 16. Nfd4 e5 (16... Ng4 $142) 17. dxe6 $1 fxe6 18. e5 $36 {[%mdl 2048] Keeping Black busy.} Nh5 19. Nc6 {[#] And now Na7 would win.} Nxf4 20. Nxf4 Bxc6 21. Bxc6 {[%cal Re5d6]} Bxe5 22. Bxe8 Qxe8 23. Re1 Nd8 24. Nd3 Bd4 25. Qf4 Nc6 26. c5 (26. Qe4 $142) 26... bxc5 27. bxc5 Ne5 28. Nxe5 dxe5 29. Qe4 Rb2 30. Re2 Qb5 (30... Rxe2 $16 31. Qxe2 Qc6) 31. Rxb2 Qxb2 $18 {[%mdl 4096] Endgame KQR-KQB} 32. Rc2 Qb4 (32... Qb1+ {keeps fighting.} 33. Kg2 Qd1) 33. Kg2 Qb1 34. h4 Kg7 35. g4 Qd1 36. g5 h6 {intending ...hxg5.} 37. Qe2 Qb1 38. c6 hxg5 39. hxg5 Qb4 40. Qg4 Qd6 {[#]} (40... Qb1 41. Rc4 Qf5 42. Qxf5 gxf5) 41. Qh4 Qd5+ 42. f3 {Weighted Error Value: White=0.12/Black=0.31} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.22"]
[Round "1.6"]
[White "Diaz Hollemaert, Nahuel"]
[Black "Michailov, Matias"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2441"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,59,26,4,32,14,39,-14,30,8,16,12,23,19,31,31,29,29,25,26,27,30,32,37,23,26,45,20,25,22,27,8,17,12,15,9,16,16,18,13,18,0,17,0,21,0,22,0]} 1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 Nf6 5. Nf3 O-O 6. O-O e5 $1 {The main line 6...e5 scores better than 6...Nc6.} 7. Rb1 Nc6 8. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} h6 {A29: English Opening: Four Knights Variation with 4 g3.} 9. b5 Ne7 {[#]} 10. c5 $146 (10. d4 $14) ({Predecessor:} 10. a4 Be6 11. d3 Qd7 12. Ba3 Bh3 13. c5 Bxg2 14. Kxg2 Rad8 15. cxd6 cxd6 16. Qb3 Nh5 17. Rfd1 Kh7 18. d4 exd4 19. Nxd4 Qg4 {1-0 (56) Dubov,D (2661)-Edouard,R (2636) Berlin 2015}) 10... Nf5 11. cxd6 cxd6 12. d3 Re8 13. e4 Nd4 14. Nxd4 exd4 15. Ne2 {[%cal Bc3e2,Be2d4,Bd4f3][%mdl 32]} d5 {[%cal Rd5e4]} 16. e5 Rxe5 17. Nxd4 Bd7 18. Bb2 {Black must now prevent Nc6!} Re8 19. Qb3 Qb6 20. Nf3 a6 21. Bd4 Qd6 22. bxa6 bxa6 {The position is equal.} 23. Qb6 Qxb6 24. Rxb6 Re6 25. Rfb1 Rc8 26. Rb8 Ree8 27. R8b6 Re6 28. Rb8 Ree8 29. R8b6 Re6 30. Rb8 {Weighted Error Value: White=0.09/Black=0.05} 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.23"]
[Round "2.1"]
[White "Rodi, Luis Ernesto"]
[Black "Michailov, Matias"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2358"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,91,-9,-11,0,0,0,0,4,8,0,0,0,-41,-32,-52,-17,-79,47,22,19,15,18,0,11,0,0,0,0,0,10,11,14,10,14,16,25,0,12,0,61,53,66,-36,0,0,63,46,228,225,258,0,0,0,0,0,555,539,829,828,820,781,743,811,719,735,556,708,1466,1207,928,1621,2232,2646,5257,5220]} 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e4 d6 6. Nge2 Nf6 7. O-O O-O 8. d3 a6 9. h3 Rb8 10. a4 Nd7 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} 11. Be3 Nd4 12. Rb1 Nxe2+ {The position is equal.} 13. Qxe2 Ne5 14. f4 Nc6 {[#]} 15. f5 $146 ({Predecessor:} 15. Qf2 Nd4 16. f5 gxf5 17. b4 fxe4 18. Nxe4 Nf5 19. bxc5 Nxe3 20. Qxe3 dxc5 21. Kh2 {0-1 (97) Piorun,K (2525)-Golubov,S (2348) Chess.com INT 2015}) 15... Nd4 16. Qd2 b5 17. Bh6 (17. cxb5 $11 {keeps the balance.} axb5 18. axb5) 17... Bb7 (17... bxc4 $17 18. Bxg7 Kxg7 19. dxc4 Rb3) 18. Bxg7 Kxg7 19. axb5 axb5 20. cxb5 Qa5 21. Rf4 f6 22. fxg6 hxg6 23. Rh4 Rh8 24. Rxh8 Rxh8 25. e5 $1 {[%cal Re5f6]} Qa8 26. exf6+ exf6 {Threatens to win with ...Rxh3!} 27. h4 f5 28. b4 f4 ({Black should try} 28... Re8 $11) 29. bxc5 (29. Qxf4 Bxg2 30. Qf2 Nf3+ 31. Kxg2 Nxh4+ 32. Kf1 Nf3 $19) (29. gxf4 $2 Rxh4 30. Ne4 Rg4 $19) 29... dxc5 {[#] White should prevent ...f3.} 30. Ne4 ({Worse is} 30. gxf4 Rxh4 31. Ne4 Bxe4 $17) ({White should play} 30. Ne2 $1 $14 f3 31. Nxd4 cxd4 32. Bf1) 30... f3 (30... Bxe4 $5 31. dxe4 (31. Bxe4 $2 Qxe4 32. Qxf4 Qe7 $19) 31... f3 $17) 31. Nxc5 {And now Qb2 would win.} Ne2+ ({Avoid the trap} 31... fxg2 $2 32. Qc3 $18) (31... Qe8 $1 $11 32. Nxb7 fxg2) 32. Kf2 $1 $14 {Ne6+ is the strong threat.} Bd5 {[#]} (32... Re8 $1 $14 33. Qb2+ Kg8) 33. Bf1 $1 $18 Re8 {Black wants to play ...Qb8!} 34. Qg5 $2 ({White has to play} 34. Ne4 $1 $18) 34... Qa2 {( -> ...Nf4+)} 35. Ra1 $1 {[%cal Ra1a2]} Qxa1 36. Qxd5 {Black must now prevent Qd7+.} Re5 $2 {[%mdl 8192]} (36... Qf6 $11 {and Black stays safe.} 37. Ne4 Qd4+ 38. Qxd4+ Nxd4) 37. Qd7+ {White is clearly winning.} Kh6 {Strongly threatening ...Nxg3.} 38. Ne6 Rxe6 39. Qxe6 Nd4 40. Qe3+ Kh7 41. Qe7+ Kg8 42. Qd8+ Kh7 43. b6 Qa2+ {[#]} 44. Ke3 $1 Nc2+ 45. Kf4 Qe6 46. Qc7+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.20/Black=0.65} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.23"]
[Round "2.2"]
[White "Larrea, Manuel"]
[Black "Diaz Hollemaert, Nahuel"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2222"]
[BlackElo "2441"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,51,22,27,27,-11,1,0,0,-44,-31,-39,-32,-135,-135,-133,-136,-139,-135,-133,-78,-70,0,7,0,0,0,0,0,0,0,-12,-11,-12,20,19,590,593]} 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Bc4 Nb6 8. Bb3 dxe5 9. Nxe5 Nc6 {B22: Sicilian: 2 c3.} 10. Qh5 {[%csl Ge5][%cal Rh5f7]} Nxe5 ({Wrong is} 10... Qxd4 $2 11. Qxf7+ Kd8 12. Nxc6+ bxc6 13. Bg5+ Qf6 14. Bxf6+ $18) 11. dxe5 Qd3 {[#] The position is equal.} 12. Qg4 $146 ({Predecessor:} 12. Nc3 Bb4 13. Bd2 Bxc3 14. Bxc3 Bd7 15. Qe2 Qxe2+ 16. Kxe2 Bb5+ 17. Kf3 Bc4 18. Bd4 Bxb3 19. axb3 {0-1 (46) Tomazini,Z (2119)-Srebrnic,M (2333) Otocec 2009}) 12... Bd7 13. Nc3 Rc8 {...Rxc3 is the strong threat.} 14. Be3 ({Better is} 14. Qg3 $15 Qxg3 15. hxg3) 14... Rxc3 $17 15. bxc3 Qxc3+ {[%mdl 64] Double Attack} 16. Ke2 Bb5+ 17. Kf3 {[#]} Qxe5 ({Black should try} 17... Bc6+ $1 18. Kg3 Qxe5+ 19. Kh3 Be7) 18. Rhd1 Bd6 (18... Be7 $15 19. Rac1 O-O) 19. Rxd6 $11 Qxd6 20. Qxg7 Bc6+ 21. Ke2 Qf8 22. Qe5 Nd7 23. Qc3 Rg8 ({Avoid the trap} 23... Bxg2 $2 24. Ba4 $18) 24. g3 Qa3 25. Rd1 a5 $2 {[%mdl 8192] [#]} (25... Qa6+ $11 {and Black is okay.} 26. Kd2 Qb5) 26. Rxd7 $1 {[%mdl 512] Weighted Error Value: White=0.25/Black=0.56} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.23"]
[Round "2.3"]
[White "Vazquez, Facundo"]
[Black "Coppola, Claudio"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2163"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,72,18,26,28,49,29,28,-18,48,-22,0,0,0,0,5,-13,0,0,6,0,76,52,77,18,12,11,15,18,49,43,118,104,306,243,354,162,134,130,124,125,120,120,123,121,161,154,242,248,221,245,234,242,445,460,460,456,454,433,368,289,1664]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. Bd2 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} Bd6 9. Qc2 Nbd7 10. O-O-O {[#] White has an edge.} O-O $146 (10... Ng4 $11 11. Be1 Rxh2 12. Rxh2 Nxh2) ({Predecessor:} 10... a6 11. Kb1 dxc4 12. Bxc4 b5 13. Be2 c5 14. d5 exd5 15. Bc1 Nb6 16. Bf3 Qc7 17. Nxd5 Nbxd5 18. Bxd5 {1-0 (37) Can,E (2569)-Banusz,T (2631) Tornelo INT 2021}) 11. e4 ({White should play} 11. h4 $14) 11... dxe4 12. Nxe4 Nxe4 13. Qxe4 Nf6 14. Qc2 b5 15. Kb1 bxc4 16. Bxc4 Qb6 (16... Qc7 $11 {keeps the balance.}) 17. h4 $16 Rab8 18. Bc1 (18. h5 $16) 18... c5 $11 19. d5 exd5 20. Bxd5 Be5 21. Bc4 Qb4 (21... Bd4 $14) 22. Rh3 $16 Rfd8 $2 {[#]} (22... Qb7 $16 {was called for.}) 23. Rb3 Qa4 (23... Qa5 $142 24. Rxd8+ Qxd8 25. Qxg6 Qe8) 24. Rxb8 (24. Re1 $142 Bd4 25. Re7) 24... Qxc2+ $18 25. Kxc2 Rxb8 26. Re1 Nd7 27. b3 Bf6 28. Re4 Kf8 29. Bf4 Re8 (29... Rb6 $16 {keeps fighting.} 30. a4 Be7) 30. Bd6+ Be7 {[#]} 31. Rxe7 Rxe7 {KRN-KB} 32. Bb5 {Strongly threatening Bxd7.} Ke8 (32... Ne5 {was worth a try.} 33. Bxc5 f6) 33. Bxe7 Kxe7 34. Bxd7 Kxd7 35. Kd3 Kd6 36. Kc4 Ke5 $2 {[%mdl 32768] Weighted Error Value: White=0.21/Black=0.44. An unexpected result.} (36... Kc6 37. b4 cxb4) 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.23"]
[Round "2.4"]
[White "Roselli Mailhe, Bernardo"]
[Black "Carbone, Diego"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2428"]
[BlackElo "2236"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,57,7,15,10,20,4,17,19,21,21,22,12,29,0,15,6,20,26,49,43,29,21,36,40,48,58,67,64,82,84,98,93,275,272,339,302,356,298,342,335,342,325,414,415,760,751,748,752]} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. O-O c5 7. c3 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} b6 8. a4 a6 9. h3 {The position is equal.} Bb7 10. Bh2 Nbd7 11. Qb3 Ne4 12. Rd1 {[#]} Ndf6 $146 ({Predecessor:} 12... Qc7 13. Qa3 Rfb8 14. b4 b5 15. bxc5 Qc6 16. cxd6 exd6 17. Ne1 Rc8 18. Bf3 d5 {1-0 (44) Peatman,C (1963)-Kotliar,M (2300) Chess.com INT 2020}) 13. Na3 Rb8 14. d5 Re8 15. Ne1 Bh6 16. c4 {Black must now prevent f3.} e6 17. Nec2 exd5 18. cxd5 c4 19. Bxc4 Nc5 20. Qb4 Re4 21. b3 b5 $2 {[#] A mistake that costs the game.} (21... Nxd5 $16 22. Qd2 Rxc4 23. bxc4 Nb3) 22. axb5 $18 axb5 23. Nxb5 Bxd5 24. Ncd4 Bf8 25. Bxd5 Nxd5 26. Qc4 Nb6 27. Qc2 Qe8 (27... Rxd4 $142 28. Nxd4 Rc8) 28. Nxd6 Bxd6 29. Bxd6 {Weighted Error Value: White=0.07/Black=0.31} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.23"]
[Round "2.5"]
[White "Hoffman, Alejandro"]
[Black "Granara Barreto, Sebastian"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2440"]
[BlackElo "2156"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,62,26,14,50,37,56,64,41,39,88,61,84,70,69,46,64,44,66,36,94,71,89,81,70,69,76,64,64,67,94,67,65,68,109,115,122,116,112,35,35,35,56,0,0,-16,-16,-16,-16,-16,-16]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 {[#] aiming for e5.} e5 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran.} 9. cxd5 exd4 10. Nxd4 cxd5 {White is slightly better.} 11. exd5 Nc5 {[#]} 12. Be2 $146 ({Predecessor:} 12. Bf5 Nxd5 13. Nxd5 Bxh2+ 14. Kxh2 Qxd5 15. Bxc8 Raxc8 16. Be3 Rcd8 17. Kg1 Qe4 18. Qc2 Rxd4 19. Qxe4 Rxe4 20. Bxc5 {1-0 (24) Romanov,O (2275)-Bednarski,J (2280) Katowice 1995}) 12... Nfe4 13. Nxe4 Nxe4 14. Qd3 Re8 15. Be3 Be5 16. Rad1 {And now Ne6 would win.} Nd6 (16... Qxd5 $14 17. Qb5 Qxb5 18. Bxb5 Rf8) 17. Bf3 Bd7 18. b3 Rc8 19. a4 a6 20. g3 Qa5 21. Rc1 h6 22. Rfd1 Rxc1 23. Rxc1 Rc8 24. Rxc8+ Bxc8 25. Kg2 Bd7 26. g4 (26. h3 $16) 26... Qd8 $14 27. h3 h5 $1 28. Nf5 (28. Qd1 $14) 28... hxg4 $11 {The position is equal.} 29. Bxg4 Nxf5 30. Bxf5 Bxf5 31. Qxf5 Qxd5+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.13/Black=0.13} 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.23"]
[Round "2.6"]
[White "Ulaneo, Nicolas"]
[Black "Lopez Azambuja, Nicolas"]
[Result "*"]
[ECO "B00"]
[WhiteElo "2164"]
[BlackElo "2337"]
[Annotator "TA"]
[PlyCount "1"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 1,1,8]} 1. e4 {A rather calm draw.} *

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.24"]
[Round "3.2"]
[White "Granara Barreto, Sebastian"]
[Black "Ulaneo, Nicolas"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2156"]
[BlackElo "2164"]
[Annotator "TA"]
[PlyCount "232"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,232,10,8,21,12,8,0,10,0,0,0,16,-12,-17,-11,0,-57,-39,-50,-58,-65,-68,-73,-60,-131,-135,-155,-94,-94,-33,-26,-32,-27,-37,-99,-101,-101,-79,-84,-85,-91,-65,-110,-108,-96,-26,-26,-26,-37,-13,-22,-27,-25,-15,-44,-46,-61,-59,-98,-91,-176,-78,-218,-216,-399,-408,-527,-118,-105,-20,-20,-20,-25,0,0,0,-8,-8,-8,-8,-8,-8,-27,-20,-18,-26,-37,-8,-8,-8,-8,-8,-60,-60,-62,-63,-63,-44,-46,-37,-44,-33,-44,-33,-46,-44,-40,-33,-33,0,-14,-14,-33,-33,-33,-14,-31,-8,-25,-14,-33,-33,-33,-33,-33,-33,-33,-33,-33,-33,-14,-8,-8,-8,-8,-8,-8,-8,-25,-27,-15,-8,-8,-8,-8,0,-8,0,0,0,-8,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-77,-77,-77,-77,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-79,-81,-81,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-29984,-29985,-29984,-86,-29989,-29990]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Bxd2+ 6. Nbxd2 d6 7. Bg2 O-O 8. O-O e5 9. e3 e4 {E11: Bogo-Indian.} 10. Ng5 {[%cal Rg5e4]} Bf5 11. Nh3 {[#]} Nbd7 $146 {The position is equal.} ({Predecessor:} 11... c6 12. Nf4 Bg4 13. Qe1 g5 14. Ne2 Na6 15. a3 Bf5 16. Rb1 Nc7 17. b4 d5 {0-1 (42) Juelg,G (2046)-Osmanodja,F (2282) Neustadt an der Weinstrasse 2020}) 12. Nf4 c6 13. h3 g5 14. Nh5 Nxh5 15. Qxh5 Bg6 16. Qe2 (16. Qh6 $11) 16... Rae8 17. Rae1 f5 18. f4 exf3 19. Bxf3 Qg7 20. Nb3 (20. Qf2 $15) 20... f4 $17 21. e4 Qh6 (21... fxg3 $142 22. Qe3 c5) 22. Qg2 fxg3 (22... Kh8 $17) 23. Qxg3 $15 Rf4 24. Bg2 Nf6 {[%cal Rf6e4,Bd7f6,Bf6h5,Bh5f4][%mdl 32]} 25. Nd2 (25. c5 $1 $15 Nxe4 26. Bxe4 Rexe4 27. cxd6 Rxe1 28. Rxe1) 25... Nh5 $17 26. Qe3 Rxf1+ 27. Rxf1 Nf4 28. Kh2 Qh4 29. e5 dxe5 30. dxe5 Rd8 $40 {[%mdl 128] Black mounts an attack.} (30... Bf5 $17 31. Ne4 Bxe4 32. Qxe4 Ng6) 31. Nf3 $11 Nxg2 32. Kxg2 Be4 33. Kh2 Qf4+ 34. Qxf4 gxf4 {[%mdl 4096] Endgame KRB-KRN} 35. Nh4 Rd2+ 36. Kg1 f3 37. Nxf3 Rxb2 38. Nh4 (38. Rf2 $17 {was necessary.} Rc2 39. Rxc2 Bxc2 40. Nd4) 38... Re2 ({Stronger than} 38... Rxa2 39. e6 $14) (38... Rb1 $19 {is more deadly.} 39. Rxb1 Bxb1) 39. Rd1 (39. a3 $17) 39... Kf7 $19 ({Don't play} 39... Rxa2 40. Rd4 $17) 40. Rd7+ $2 (40. Kf1 Rxa2 41. Rd4) 40... Ke6 {[%mdl 64] Double Attack} 41. Rxb7 Kxe5 $2 (41... Rxa2 $19 42. Rb8 Kxe5 43. Re8+ Kd4 44. Rd8+ Kxc4) 42. Rxa7 $17 Kf4 (42... Kd4 $17 {...c5 is the strong threat.} 43. Rf7 Kxc4) 43. Rf7+ $11 Kg3 44. Nf5+ Kxh3 45. Rxh7+ Kg4 46. Nd4 {And now Rg7+ would win.} Rxa2 47. Rf7 Rd2 48. Ne6 Bf5 49. Ng7 Bd7 50. Kf1 Kg5 {Threatens to win with ...Kg6.} 51. Rf8 $1 Kg6 52. Ne8 Bh3+ 53. Ke1 Rd8 {Hoping for ...Bd7.} 54. Rf6+ ({White should play} 54. Kf2 $11) 54... Kg5 $15 55. Rxc6 Rxe8+ {KRB-KR} 56. Kd2 Kf4 57. Kc3 Rb8 58. Rd6 Bf5 59. Kd4 Rb1 60. Kc5 Ke5 61. Rh6 $1 Be4 62. Rh5+ Ke6 63. Rh6+ Kd7 64. Rh4 (64. Rd6+ {is more complex.} Ke7 65. Rh6 Rb8 66. Rh4 Bg6 67. Kc6) 64... Bf5 65. Rh5 Bg6 66. Rd5+ Kc7 67. Rg5 Bf7 68. Rg7 Rf1 69. Rg4 Rf5+ 70. Kb4 Kc6 71. Rh4 Be6 72. Re4 Bd7 73. Rh4 Kb6 74. Rh6+ Bc6 75. Rh4 Rf1 76. Rh6 Rf4 (76... Kc7 {is more complex.} 77. Rh7+ Kd8 78. Rh4 Bd7 79. Rh8+ Kc7) 77. Kc3 Kc5 78. Rh5+ Kd6 79. Rh6+ Kd7 80. Rh7+ Kd6 81. Rh6+ Kc5 82. Rh5+ Kb6 83. Rh6 Rf1 84. Kb4 Rb1+ (84... Kb7 {is interesting.} 85. Rh7+ Ka6 86. Rh4 Re1 87. Rh6 Kb6) 85. Kc3 Kc7 86. Kd4 Bd7 87. Kc5 Re1 (87... Bf5 {seems wilder.} 88. Kd4 Rg1 89. Kc5 Bg6 90. Rh4 Rg3) 88. Rh4 Bf5 89. Rf4 Be6 90. Rh4 Re5+ 91. Kb4 Kd6 92. Rd4+ Kc6 93. Rh4 Re1 94. Kc3 Kd6 95. Kd2 (95. Kb4 $1 $11) 95... Re5 $17 96. Kc3 Kc5 97. Rf4 Re3+ 98. Kd2 Rg3 ({Of course not} 98... Bxc4 $6 99. Kxe3 Bd5 100. Kd3 $11) (98... Ra3 {looks sharper.} 99. Ke1 Bxc4 100. Kf2 Bd5 101. Rg4 Rf3+) 99. Rh4 Bxc4 100. Rh5+ Bd5 101. Rh4 Bf7 (101... Be6 {feels hotter.} 102. Rh5+ Kd4 103. Rh4+ Ke5 104. Rh7 Ra3) 102. Rf4 Bg6 103. Rh4 Kd5 (103... Rd3+ {keeps more tension.} 104. Kc1 Rf3 105. Kd2 Kd5 106. Rh8 Be4) 104. Ra4 Bd3 105. Ra8 Bc4 106. Rd8+ Ke4 107. Re8+ Kd4 108. Rh8 Rg2+ 109. Ke1 Bd5 110. Rh3 Be4 111. Kf1 Rb2 112. Ke1 Bd3 113. Rh4+ Kc3 {( -> ...Re2+)} 114. Rh8 $2 {[%mdl 8192]} (114. Rh3 $17) 114... Re2+ 115. Kd1 {[#]} Rf2 $2 (115... Re3 $1 {mates} 116. Rh1 Be4 117. Rf1 Bd5 118. Rg1 Bf3+ 119. Kc1 Re4 120. Rf1 Bg2 121. Rg1 {[#]} Re8 $1 122. Kb1 Be4+ 123. Kc1 Bd3 124. Kd1 Bc2+ 125. Kc1 Rb8 126. Rg3+ Bd3 127. Rxd3+ Kxd3 128. Kd1 Rb1#) 116. Rh1 $2 {[%mdl 8192]} (116. Rc8+ $17 Bc4 117. Re8) 116... Ra2 {[%cal Ra2a1] Weighted Error Value: White=0.21/Black=0.28} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.24"]
[Round "3.3"]
[White "Carbone, Diego"]
[Black "Hoffman, Alejandro"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2236"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,57,28,22,18,30,32,26,28,39,37,41,46,118,103,113,98,98,91,92,92,94,94,106,60,83,64,62,65,217,215,243,237,375,383,356,402,434,445,451,451,433,439]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 d5 6. Qc2 O-O 7. Nf3 Be7 8. O-O c6 9. Bf4 Nbd7 10. Rd1 {E08: Closed Catalan: Main Line: 7 Qc2.} Nh5 11. Bc1 Nhf6 12. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1h2][%mdl 32] White has an edge.} b5 13. c5 b4 14. e4 {[#]} Ba6 $146 {[#]} (14... Nxe4 $14 15. Nxe4 dxe4) ({Predecessor:} 14... dxe4 15. Nxe4 Nd5 16. Ne5 Nxe5 17. dxe5 Qc7 18. Nd6 Ba6 19. Bd2 f6 20. Be4 fxe5 21. Bxh7+ Kh8 22. Bg6 Bxd6 23. cxd6 Qxd6 {1-0 (41) Gelfand,B (2676)-Zhang,A (2077) Chess.com INT 2020}) 15. e5 $1 $16 {[%cal Re5f6]} Ne8 16. Re1 Nc7 17. Nf1 a4 18. h4 Qb8 19. Bg5 Re8 20. Qd2 Bf8 21. N1h2 b3 22. a3 f6 $2 {[#] This move loses the game for Black.} ({Black should try} 22... h6 $14) 23. exf6 $1 $18 gxf6 24. Bf4 e5 (24... Bg7 $142 25. Ng4 Qd8) 25. dxe5 Ne6 26. exf6 Nxf4 27. Rxe8 {[%mdl 64] Overworked Piece. White is clearly winning.} Qxe8 28. Qxf4 Qg6 29. Ng4 {Weighted Error Value: White=0.05/Black=0.30} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.24"]
[Round "3.4"]
[White "Coppola, Claudio"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "2248"]
[BlackElo "2428"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,54,15,4,-4,-8,-16,4,0,-9,-17,8,4,8,-229,-224,-227,-206,-470,-468,-495,-479,-460,-430,-747,-710,-1245,-1237,-1159,-1107,-29983,-29983,-29981,-29981,-29993,-29994,-29994,-29995]} 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. e3 O-O 8. N5c3 e4 9. Be2 Qe7 10. Nd2 Rd8 11. Qc2 {[%cal Rc3e4] A31: Symmetrical English: 2 Nf3 Nf6 3 d4.} Bf5 12. g4 Bg6 13. h4 {[#] Black must now prevent h5.The position is equal.} h6 {[#]} 14. g5 $146 ({Predecessor:} 14. a3 Nxd5 15. Nxd5 Rxd5 16. b4 Bd4 17. Bb2 Bf6 18. h5 Bh7 19. O-O-O Nc6 20. Nc4 {1-0 (50) Jaster,R (2254)-Lampe,J (2157) Germany 2005}) 14... hxg5 15. hxg5 Nxd5 16. Ncxe4 $2 (16. Nxd5 $11 {and White has nothing to worry.} Rxd5 17. Bh5) 16... Bb4 $19 17. Rh4 Nd7 {[%cal Bb8d7,Bd7c5,Bc5e4][%mdl 32]} 18. a3 $2 {[#]} (18. Kf1) 18... Rac8 $1 19. Qb1 (19. Qa4 N7b6) 19... Bxd2+ 20. Bxd2 Nc5 21. f3 (21. Bf3 $142 Nb3 22. Qd1 Nxa1 23. Qxa1) 21... Nxe4 22. fxe4 Qxg5 23. Rg4 Qh6 24. Rxg6 Qh4+ {Black mates.} 25. Kf1 fxg6 26. Qe1 Qh1+ 27. Kf2 Qh2+ {White did not feel at home in the position after the opening.  Weighted Error Value: White=1.42/Black=0.03} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.24"]
[Round "3.5"]
[White "Diaz Hollemaert, Nahuel"]
[Black "Vazquez, Facundo"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2441"]
[BlackElo "2163"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,108,0,10,-8,0,-12,4,1,13,-3,0,-4,0,-12,-16,-27,-26,-35,-27,-16,-12,-10,-17,-15,-13,-52,-17,-57,-45,-67,-57,-64,-45,-85,-31,-38,-8,-13,-12,-17,0,0,11,9,10,14,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-4,-4,-4,-4,-4,-11,-16,-18,-11,-341,-337,-362,-358,-29966,-29966,-12821,-9691,-6299,-5187,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981]} 1. c4 {Mekhitarian,K} e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. d3 {A28: English Opening: Four Knights Variation.} d6 8. Be2 Re8 {[#]} 9. Nd2 $146 {The position is equal.} ({Predecessor:} 9. e4 Ne7 10. Nh4 Ng6 11. Nxg6 hxg6 12. O-O c6 13. f4 b5 14. cxb5 cxb5 15. h3 {1-0 (40) Aronian,L (2799)-Matlakov,M (2728) Tbilisi 2017 CBM 181 [Mekhitarian,K]}) 9... Ne7 {[%cal Bc6e7,Be7g6,Bg6f4][%mdl 32]} 10. e4 Ng6 11. Nf1 c6 12. Ng3 d5 13. cxd5 cxd5 14. Bg5 Nf4 15. O-O h6 16. Bxf6 Qxf6 17. exd5 Nxd5 18. Rab1 Bd7 19. Bf3 Bc6 20. Rfe1 Nf4 21. Re3 Rac8 22. Be4 h5 (22... Red8 $17) 23. Ne2 $15 Re6 (23... b6 {is more complex.} 24. c4 Rcd8 25. Rd1 g6 26. h3 Re6) 24. Bxc6 Rexc6 25. c4 ({Don't go for} 25. Rxb7 $2 {[#]} Rxc3 $1 26. Nxc3 Qc6 $19) 25... Rb6 (25... Qg6 {looks sharper.} 26. Nxf4 exf4 27. Re4 b5 28. Rbe1 bxc4 29. dxc4 Rxc4 30. Qxc4 Rxc4 31. Rxc4 Qf5) 26. Re1 Ng6 (26... g6 {keeps more tension.} 27. h3 Rd8 28. c5 Rb4 29. a3 Nxe2+ 30. R3xe2 Rbd4) 27. Nc3 Qd8 28. Qd1 {Threatens to win with Nd5.} Rd6 29. Ne4 Rd4 30. Qxh5 Nf4 31. Qf5 {And now Ng5 would win.} ({Much worse is} 31. Qxe5 Nxd3 32. Rxd3 Rxd3 $17) 31... Qd7 32. Qxe5 Nxd3 33. Rxd3 Rxd3 34. Nc5 Rxc5 35. Qxc5 $11 {[%mdl 4096] Endgame KQR-KQR} Rd1 {[%cal Rd1e1]} 36. Qe3 Qa4 37. g3 Rxe1+ 38. Qxe1 Qxc4 {KQ-KQ} 39. Qe7 Qd5 40. a3 a5 41. Qc7 (41. Qe8+ {feels hotter.} Kh7 42. a4 g5 43. Qe2 Kg6 44. h4) 41... g6 42. h4 a4 43. Qe7 b5 44. Kh2 Kg7 {Hoping for ...Qd4.} 45. Qb4 Kh7 46. g4 $2 {[%mdl 8192] This costs White the game.} (46. Qf8 $11 {and White stays safe.}) 46... Qc4 $19 {aiming for ...Qxb4.} 47. Qb2 Qxg4 48. Qxb5 $2 {[#]} (48. Qf6 $19 Kg8 49. f3) 48... Qxh4+ 49. Kg2 Qg4+ 50. Kf1 Qh3+ {[%mdl 64] Double Attack} 51. Ke2 Qh5+ {Black mates.} 52. Qxh5+ gxh5 53. Kf3 Kg6 54. Kf4 Kf6 {Weighted Error Value: White=0.47/Black=0.04} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.24"]
[Round "3.6"]
[White "Michailov, Matias"]
[Black "Larrea, Manuel"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2262"]
[BlackElo "2222"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,34,12,18,-14,-11,-54,-52,-66,-34,-16,-11,-18,-8,-21,-21,-20,-6,-5,-29,-36,-37]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 c5 9. Rd1 {E05: Open Catalan: 5 Nf3 Be7.} Nc6 {[%cal Rc5d4]} 10. e3 cxd4 11. exd4 Nb4 12. Qxc4 b5 13. Qe2 Bb7 14. Nc3 {[#]} bxa4 $146 ({Predecessor:} 14... Nbd5 15. Nxd5 Qxd5 16. Be3 Rfc8 {½-½ (16) De la Rocha Prieto,R-Barez Menendez,H (2340) Madrid 1994}) 15. Bg5 $1 h6 16. Bxf6 Bxf6 17. Rxa4 Qb6 {Weighted Error Value: White=0.10/Black=0.07} 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.25"]
[Round "4.1"]
[White "Rodi, Luis Ernesto"]
[Black "Larrea, Manuel"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2358"]
[BlackElo "2222"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,43,16,0,0,-10,0,0,0,-10,-12,-13,-8,-16,18,-16,-23,-66,-56,-56,-41,-42,-41,-55,-12,-22,36,43,442,447]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. Qf3 a6 {B33: Sicilian: Pelikan and Sveshnikov Variations.} 10. Qa3 Be7 11. Bg5 f6 {The position is equal.} 12. Bd2 O-O 13. Bb4 {[%cal Rb4d6]} Qd7 14. Bd3 f5 (14... b6 $5 {[%cal Rc8b7]} 15. O-O (15. Nxd6 a5 $17) 15... g6 $11) 15. O-O b6 $1 {[%cal Bb7b6,Bb6b5][%mdl 32]} 16. Bd2 Bb7 17. Nc3 Qc7 {[#]} 18. f3 $146 ({Predecessor:} 18. Rfe1 Nd7 19. f4 e4 20. Bf1 b5 21. Be3 Bf6 22. Rad1 Rac8 23. Rd2 Nb6 24. Kh1 {1-0 (63) Hill,A (2132)-Jones,S (2025) Crawley 2013}) 18... Nd7 19. Be3 b5 20. Qb4 Nb6 ({Black should play} 20... Nc5 $11) 21. a4 $14 Nxd5 $2 {[%mdl 8192] [#]} ({Better is} 21... Nxa4 $14 22. Nxa4 bxa4) 22. Qb3 $1 {Weighted Error Value: White=0.10/Black=0.60} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.25"]
[Round "4.2"]
[White "Vazquez, Facundo"]
[Black "Michailov, Matias"]
[Result "1-0"]
[ECO "E00"]
[WhiteElo "2163"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,77,14,11,11,10,31,17,20,42,87,90,98,68,92,11,21,3,55,52,75,63,86,66,66,38,70,54,112,89,95,72,59,64,71,34,38,32,64,55,62,65,62,53,60,60,61,54,60,52,75,75,84,109,135,0,79,72,76,78,281,274,274,273,723,667,1717,1684]} 1. d4 Nf6 2. c4 e6 3. a3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Nc6 {[%cal Rc5d4] D35: Queen's Gambit Declined: Exchange Variation.} 8. Nf3 Be7 9. d5 {[#]} exd5 $146 {The position is equal.} ({Predecessor:} 9... Na5 10. Bb5+ Bd7 11. Qa4 Bxb5 12. Qxb5+ Kf8 13. dxe6 fxe6 14. O-O a6 15. Qe2 h6 {1-0 (35) Korobov,A (2688)-Stoyanov,T (2387) Chess.com INT 2020}) 10. exd5 Nb8 11. Bb5+ Bd7 12. Bxd7+ (12. Bd3 {feels hotter.} O-O 13. O-O c4 14. Bxc4 Bg4 15. h3) 12... Nxd7 {[#]} 13. c4 (13. d6 $1 $16) 13... O-O $11 14. O-O Bf6 (14... b5 $11) 15. Rb1 $14 Nb6 16. Qc2 Qd7 17. Be3 Rac8 18. h3 Rfe8 19. Rfd1 Qd6 (19... g6 $14) 20. a4 $16 Rc7 21. Re1 {aiming for Bf4!} Rce7 22. Bd2 Rxe1+ 23. Rxe1 (23. Nxe1 {is more complex.} Re7 24. Nf3 Nc8 25. Be3 Qc7 26. Rb5) 23... Rxe1+ 24. Nxe1 Nd7 25. Nf3 Ne5 26. Nxe5 Qxe5 27. Be3 b6 28. g3 g6 29. Kg2 h5 30. h4 Qe8 31. a5 Bd4 32. axb6 axb6 33. Bf4 (33. Bxd4 $16 cxd4 34. Qb1) 33... Kf8 (33... b5 $11) 34. Qd3 Qd7 35. Qe4 Kg7 $2 {[#] Loses the game.} (35... Kg8 $16 {keeps fighting.}) 36. Be5+ $1 $18 Bxe5 37. Qxe5+ f6 $2 (37... Kh7 38. Qf6 b5) 38. Qb8 Qg4 39. Qb7+ {Weighted Error Value: White=0.14/Black=0.32} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.25"]
[Round "4.3"]
[White "Roselli Mailhe, Bernardo"]
[Black "Diaz Hollemaert, Nahuel"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2428"]
[BlackElo "2441"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,81,27,30,-6,14,8,12,11,16,15,27,26,27,34,42,14,37,28,13,0,-8,-37,-29,-37,-19,-81,-83,-79,-90,-168,-157,-235,-173,-236,-195,-197,-155,-172,-144,-218,-249,-268,-265,-319,-281,-312,-137,-231,-237,-247,-231,-331,-275,-449,-190,-175,-180,-192,-184,-170,-162,-429,-246,-245,-239,-418,-406,-662,-678,-652,-658,-1043]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 c6 6. Bg2 d5 7. Ne5 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} Nfd7 8. Nxd7 Nxd7 9. O-O {The position is equal.} Rc8 10. Nd2 Be7 11. Bb2 O-O 12. e4 {[#]} dxc4 $146 ({Predecessor:} 12... Nf6 13. Re1 Bb4 14. e5 Nd7 15. Rc1 h6 16. a3 Be7 17. b4 Rc7 18. b5 cxb5 19. cxd5 Rxc1 20. Bxc1 exd5 21. Bxd5 {0-1 (52) Gledura,B (2789)-Sebastian (2957) Chess.com INT 2020}) 13. bxc4 e5 14. dxe5 Nc5 15. Qc2 Qd3 16. Rac1 Rcd8 17. Bc3 Rfe8 18. Qd1 (18. Rfe1 $11) 18... Bxc4 $17 {Black keeps a firm grip on the game.} 19. Nxc4 Qxc4 20. Qg4 (20. Qc2 $17) 20... Qxa2 $19 21. Rcd1 (21. e6 $17 Nxe6 22. e5) 21... Qc4 22. Ba1 (22. Rc1 {keeps fighting.}) 22... Qe6 23. Qe2 Nb3 24. Bc3 a5 25. f4 (25. Bf3 $17 {was necessary.}) 25... Bc5+ 26. Kh1 Bd4 27. Qb2 {[%cal Rc3d4]} c5 28. f5 {[#]} Qxe5 (28... Qc4 $1 $19 29. Bxd4 Rxd4) 29. Bxd4 (29. Qxb3 $17 {was called for.} Bxc3 30. Rxd8 Rxd8 31. Qxb6) 29... Nxd4 30. Qxb6 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 31. Rc1 (31. Qb2 $142) 31... Nb3 32. Rcd1 {[#]} (32. Rc2) 32... Rb8 (32... Rxd1 $142 33. Rxd1 c4) 33. Qa6 Ra8 34. Qc4 Nd4 35. Ra1 a3 36. Rfc1 $2 (36. Qd3) 36... Ra5 (36... Reb8 $142 {aiming for ...Nb3.} 37. Rf1 h6) 37. Ra2 Nc6 38. Rc3 $2 (38. Rca1) 38... Rea8 39. Qb3 (39. Rc1 $142) 39... Rb8 40. Qc4 Rb1+ 41. Bf1 {Weighted Error Value: White=0.48/Black=0.27} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.25"]
[Round "4.4"]
[White "Hoffman, Alejandro"]
[Black "Coppola, Claudio"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2440"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,66,58,61,79,90,145,127,160,163,202,170,176,151,124,128,311,314,263,261,396,408,406,389,386,356,638,632,535,389,585,531,525,559,579,541,806,439,980,944,1248,1220,1375,1020,2030,1110,1179,1206,1102,1156,1097,1030,795,876,29991,29992]} 1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 Ne4 5. Bh4 Bb7 6. a4 {A43: Schmid Benoni.} Qa5+ 7. Nbd2 {[#] axb5 is the strong threat.} Nxd2 (7... bxa4 $142 8. c3 Nxd2 9. Qxd2 (9. Nxd2 Bxd5 10. e4 Bc6 $11) 9... d6) 8. Nxd2 $16 {White is clearly better.} bxa4 9. e4 {[#]} e6 $146 ({Predecessor:} 9... d6 10. c3 Nd7 11. Rxa4 Qc7 12. f4 g6 13. Qa1 Bh6 14. Bg3 O-O 15. Bd3 Nb6 {½-½ (43) Hercog,N (2031)-Kuhar,L (1930) Radenci 2019}) 10. Bc4 Bd6 11. O-O O-O 12. c3 Na6 $2 {A mistake that costs the game.} (12... Re8 $16 {might work better.}) 13. Rxa4 $18 Qb6 14. Bd3 Rfe8 (14... exd5 {was worth a try.} 15. exd5 g6) 15. Nc4 Qc7 16. e5 Bf8 17. d6 ({Weaker is} 17. Qh5 g6 $14) 17... Qc8 (17... Qc6 18. f3 Nb8) 18. Na5 Bd5 19. c4 Bc6 (19... Bb7 $142 20. Nxb7 Qxb7) 20. Ra3 g6 21. Nxc6 Qxc6 22. Qg4 Rab8 23. Rfa1 Rb6 (23... Nb4 $142 24. Be4 Qb6) 24. Be4 Qc8 25. Bf6 Bg7 26. Qf4 Nb8 27. Bxg7 Kxg7 28. Rh3 {[#] White threatens Qh6+ and mate.} Rh8 29. Qf6+ Kg8 30. Rf3 {[%csl Gf3][%cal Rf6f7]} Qe8 31. Rxa7 Rxb2 32. Rc7 {Weighted Error Value: White=0.48/Black=1.04} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.25"]
[Round "4.5"]
[White "Ulaneo, Nicolas"]
[Black "Carbone, Diego"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "2164"]
[BlackElo "2236"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,101,14,0,12,-6,6,-34,16,18,18,-15,-11,-44,-23,-28,-32,-36,-27,-17,0,0,0,0,3,0,2,3,3,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Nc6 7. Nf3 Bc5 8. O-O O-O 9. d3 Bb6 10. Re1 Qf6 {C47: Scotch Four Knights and Four Knights with 4 g3.} 11. Bg5 Qd6 {[#]} 12. d4 $146 {[%cal Rf3e5]} ({Predecessor:} 12. Nd2 Qg6 13. Be3 Ba5 14. c4 b6 15. Rb1 Bg4 16. f3 Bd7 17. Rf1 Rae8 18. Nb3 {0-1 (47) Lu,S (2562)-Najer,E (2626) China 2013}) 12... f6 {Black is slightly better.} 13. Be3 Bg4 {Hoping for ...e4.} 14. Qd3 (14. h3 $5 {[%cal Rh3g4]} Bxf3 15. Qxf3 $11) 14... Rad8 15. Rad1 Rfe8 {[#] Strongly threatening ...e4.} 16. Qc4+ Qe6 17. Qxe6+ Bxe6 18. dxe5 Bxe3 {The position is equal.} (18... Rxd1 {is more complex.} 19. Rxd1 fxe5 20. Bxb6 axb6 21. Re1 Bxa2 22. Nd4 Rd8) 19. Rxd8 Rxd8 20. exf6 gxf6 21. fxe3 Bxa2 22. Nd4 Bd5 23. Nxc6 bxc6 24. Ra1 Bxg2 25. Kxg2 $11 {[%mdl 4096] Endgame KR-KR} Rd2+ 26. Kh3 Rxc2 27. Rxa7 Rxc3 28. Rxc7 Rc4 29. Kg2 Rc2+ 30. Kf3 c5 31. h4 c4 32. Kg4 Re2 33. Kf3 Rc2 34. Kg4 Re2 35. Kf3 Rc2 36. Ke4 Rg2 37. Kf4 Rf2+ 38. Ke4 Rg2 39. Rxc4 (39. Rc8+ {seems wilder.} Kg7 40. Kf3 Rc2 41. g4 c3 42. Rc7+) 39... Rxg3 40. Rc7 Rh3 41. Kf5 Rf3+ 42. Ke6 (42. Ke4 {keeps more tension.} Rh3) 42... Rxe3+ 43. Kxf6 {[#] White wants to mate with Rc8+.} Rf3+ 44. Kg5 Rg3+ (44... Rf1 {is interesting.} 45. Rc5 Rd1 46. Kh6 Rd6+ 47. Kg5 Rg6+) 45. Kf4 Rh3 46. Kg4 Rh1 47. h5 Rg1+ 48. Kf5 h6 49. Kf6 Rg5 50. Rc8+ Kh7 51. Rc7+ {Weighted Error Value: White=0.04/Black=0.03} 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.26"]
[Round "5.1"]
[White "Granara Barreto, Sebastian"]
[Black "Rodi, Luis Ernesto"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2156"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,-20,-16,-17,-18,-7,0,4,57,-67,-19,-78,-77,-120,-115,-127,-141,-133,-118,-156,-54,-87,-13,-128,-55,-158,-170,-161,-148,-182,-185,-193,-118,-137,-123,-149,-140,-137,-139,-130,-132,-198,-204,-227,-215,-220,-148,-141,0,-152,-145,-241,-231,-185,-192,-187,-180,-180,-172,-360,-208,-371,-352,-753,-753]} 1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 f6 5. d3 Nge7 6. Be2 {C44: Ponziani Opening and Scotch Gambit.} g5 7. h3 Be6 8. Nbd2 {The position is equal.} Ng6 {[#]} (8... a6 $11) 9. exd5 $146 (9. d4 $1 $14) ({Predecessor:} 9. d4 Qd6 10. O-O O-O-O 11. c4 Nf4 12. Bd1 Bxh3 13. cxd5 Bxg2 14. dxc6 Bxf1 15. Qxa7 Qxc6 16. Nxf1 {1-0 (39) Glanville,C (2096)-Cole,S (1850) ICCF email 2011}) 9... Qxd5 10. Ne4 (10. d4 $11 {remains equal.}) 10... Be7 $1 $17 11. c4 Qd7 12. Be3 Nf4 13. Bxf4 gxf4 14. O-O-O {intending d4.} Bf5 (14... O-O-O $1 $17 15. Rhg1 Kb8) 15. Nc3 {[#] White wants to play d4.} Bc5 (15... O-O-O $1 $17 16. Nh4 Be6) 16. Nd5 {[#]} (16. Ne4 $11 Be7 17. Nh4) 16... O-O (16... O-O-O $1 $17 17. d4 Nxd4 18. Qxd7+ Rxd7 19. Nxd4 Bxd4) 17. Nh4 (17. g4 $15 fxg3 18. fxg3) 17... Be6 ({Wrong is} 17... Bxf2 $2 18. Nxf5 Kh8 19. Bg4 $18) 18. Rhf1 a6 {Hoping for ...b5.} ({Worse is} 18... Bxd5 19. cxd5 Qxd5 20. d4 $14) 19. Nf3 b5 ({Weaker is} 19... Bxd5 20. cxd5 Nb8 21. Qc2 $16) 20. Qc2 Bxd5 ({Better is} 20... Rab8 $19 21. Kb1 Kg7) 21. cxd5 Qxd5 22. Kb1 Rad8 23. a3 Bb6 24. Rc1 Rd6 25. Qc3 (25. g3 $17) 25... Kh8 $19 26. g4 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 27. h4 Bd4 28. Qc2 Bb6 (28... Ba7 $17 {...a4 is the strong threat.} 29. Bd1 Bb6) 29. g5 $2 (29. Qc3 $1 $11) 29... f5 $36 {[%mdl 2048] White is under strong pressure.} 30. Qc3 (30. h5 $17) 30... a4 $19 31. h5 Bd4 32. Nxd4 Nxd4 33. Bd1 Rc6 34. Qb4 (34. Qd2 {might work better.}) 34... Rxc1+ 35. Kxc1 c5 36. Qa5 (36. Qc3) 36... Qa2 {Weighted Error Value: White=0.55/Black=0.24} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.26"]
[Round "5.3"]
[White "Coppola, Claudio"]
[Black "Ulaneo, Nicolas"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2248"]
[BlackElo "2164"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:45]} Nf6 {[%emt 0:00:10]} 2. c4 {[%emt 0:00:13]} e6 {[%emt 0:00:14]} 3. g3 {[%emt 0:00:11]} Bb4+ {[%emt 0:00:19]} 4. Nd2 {[%emt 0:00:58]} O-O {[%emt 0:01:23]} 5. Bg2 {[%emt 0:03:14]} Re8 {[%emt 0:10:45]} 6. Ngf3 {[%emt 0:00:27]} Nc6 {[%emt 0:00:09]} 7. O-O {[%emt 0:00:39]} d5 {[%emt 0:03:14]} 8. Qc2 {[%emt 0:02:39]} e5 {[%emt 0:08:10]} 9. dxe5 {[%emt 0:03:01]} Nxe5 {[%emt 0:00:24]} 10. Nxe5 {[%emt 0:00:07]} Rxe5 {[%emt 0:01:07]} 11. Nf3 {[%emt 0:00:49]} Re8 {[%emt 0:03:18]} 12. cxd5 {[%emt 0:22:50]} Qxd5 {[%emt 0:01:56]} 13. Ng5 {[%emt 0:00:30]} Qc5 {[%emt 0:02:53]} 14. Qb3 {[%emt 0:01:54]} Qe7 {[%emt 0:01:49]} 15. e4 {[%emt 0:08:22]} Bc5 {[%emt 0:09:53]} 16. e5 {[%emt 0:04:51]} Ng4 {[%emt 0:01:02]} 17. Qc2 {[%emt 0:00:46]} g6 {[%emt 0:01:30]} 18. Ne4 {[%emt 0:00:28]} Bb6 {[%emt 0:07:55]} 19. h3 {[%emt 0:01:45]} Qxe5 {[%emt 0:10:54]} 20. hxg4 {[%emt 0:01:08]} Bxg4 {[%emt 0:00:03]} 21. Bf4 {[%emt 0:08:44]} Qf5 {[%emt 0:00:36]} 22. Rfe1 {[%emt 0:01:53]} Re6 {[%emt 0:06:08]} 23. Qc3 {[%emt 0:02:43]} Rd8 {[%emt 0:03:02]} 24. Ng5 {[%emt 0:04:12]} Bd4 {[%emt 0:04:13]} 25. Qxc7 {[%emt 0:01:37]} Bb6 {[%emt 0:06:15]} 26. Nxe6 {[%emt 0:15:07]} Bxc7 {[%emt 0:01:13]} 27. Nxd8 {[%emt 0:01:05]} Bxf4 {[%emt 0:08:05]} 28. Re8+ {[%emt 0:00:38]} Kg7 {[%emt 0:00:04]} 29. Re7 {[%emt 0:00:25]} Be5 {[%emt 0:03:47]} 30. Rxf7+ {[%emt 0:01:11]} Qxf7 {[%emt 0:00:05]} 31. Nxf7 {[%emt 0:00:02]} Kxf7 {[%emt 0:00:05]} 32. Bxb7 {[%emt 0:00:43]} Bxb2 {[%emt 0:00:12]} 33. Rb1 {[%emt 0:00:11]} Be5 {[%emt 0:02:13]} 34. Bd5+ {[%emt 0:00:11]} Kf6 {[%emt 0:00:12]} 35. Rb7 {[%emt 0:00:17]} Bd4 {[%emt 0:01:27]} 36. Rxh7 {[%emt 0:00:12]} Ke5 {[%emt 0:02:10]} 37. Bc6 {[%emt 0:01:14]} Be6 {[%emt 0:00:27]} 38. a4 {[%emt 0:00:30]} a5 {[%emt 0:00:50]} 39. Kg2 {[%emt 0:00:54]} Kd6 {[%emt 0:00:22]} 40. Be8 {[%emt 0:00:39]} Bd5+ {[%emt 0:00:53]} 41. f3 {[%emt 0:30:56]} g5 {[%emt 0:30:30]} 42. Bf7 {[%emt 0:11:30]} Bc6 {[%emt 0:00:42]} 43. Rh6+ {[%emt 0:00:00]} Kc5 {[%emt 0:00:00]} 44. Rg6 {[%emt 0:00:00]} Bxa4 {[%emt 0:00:00]} 45. Rxg5+ {[%emt 0:00:00]} Kb4 {[%emt 0:00:00]} 46. Rd5 {[%emt 0:00:00]} Bc5 {[%emt 0:00:00]} 47. g4 {[%emt 0:00:00]} Bc2 {[%emt 0:00:00]} 48. g5 {[%emt 0:00:00]} Be3 {[%emt 0:00:00]} 49. g6 {[%emt 0:00:00]} Bh6 {[%emt 0:00:00]} 50. Rd8 {[%emt 0:00:00]} a4 {[%emt 0:00:00]} 51. Rh8 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 52. Rg8 {[%emt 0:00:00]} Bf6 {[%emt 0:00:00]} 53. g7 {[%emt 0:00:00]} Ka3 {[%emt 0:04:02]} 54. Rc8 {[%emt 0:00:00]} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.26"]
[Round "5.4"]
[White "Diaz Hollemaert, Nahuel"]
[Black "Hoffman, Alejandro"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2441"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,116,2,0,0,0,-7,-31,-15,-25,-27,-21,-29,-37,-26,-39,-33,-65,7,0,0,0,0,0,0,0,0,0,98,113,124,127,108,119,111,103,109,62,116,111,108,100,120,94,95,64,181,185,173,185,182,171,175,165,278,274,281,279,264,30,244,239,283,289,560,552,543,527,644,608,651,625,655,652,1480,1235,1562,1496,1235,1235,1404,1183,998,980,750,164,164,29,29,14,29971,29975,29976,29977,29977,29977,29978,29979,29978,29978,29977,29979,29978,29980,29980,29980,29980,29981,29989]} 1. Nf3 g6 2. g3 Bg7 3. Bg2 d5 4. O-O e5 5. d3 Ne7 6. c4 O-O {A07: Réti Opening: New York and Capablanca Systems.} 7. cxd5 Nxd5 8. Qb3 Ne7 {Black is slightly better.} 9. Nc3 Nbc6 {[#]} 10. Bd2 $146 ({Predecessor:} 10. Ne4 h6 11. Re1 b6 12. Bd2 a5 13. Rac1 Be6 14. Qa4 Rc8 15. Be3 Bd7 16. Qb3 {0-1 (61) Habibi,A (2258)-Mohr,G (2443) Acqui Terme 2015}) 10... h6 11. Rfc1 a5 12. Qd1 Be6 13. a3 g5 (13... Nd4 $15 14. Nxd4 exd4) 14. Rab1 Qd7 15. b4 axb4 16. axb4 Nd4 17. b5 Bh3 18. Bxh3 Nxf3+ (18... Qxh3 $11 19. Nxd4 exd4) 19. Kg2 $1 $16 Nh4+ 20. gxh4 g4 {[#]} 21. Bxg4 Qxg4+ {[%mdl 64] Double Attack} 22. Kh1 Qxh4 23. Qg1 f5 (23... Qh3 $14) 24. Qg2 $1 {Hoping for Nd5.} c6 25. bxc6 bxc6 26. Rg1 $1 {[%csl Gg1][%cal Rg2g7]} Rf7 27. Nb5 $40 {[%cal Bc3b5,Bb5d6,Bd6f5][%mdl 160] Strongly threatening Nd6. White has some attack.} Ra4 (27... Rd8 $14) 28. Nd6 $18 Rg4 {[#]} 29. Nxf5 $1 {[%mdl 512]} Rxg2 {[%csl Gh4][%cal Rg2h2]} 30. Nxh4 Rgxf2 31. Bxh6 $1 Nd5 (31... Nf5 {keeps fighting.}) 32. Nf3 ({Don't do} 32. e4 $6 Nc3 $18) 32... Kh7 33. Bd2 Bf6 34. Rg3 $2 ({White should play} 34. Rbe1 $18) 34... Rg7 $2 (34... Rxe2 $11 {and Black is okay.} 35. Rc1 Rg7) 35. Re1 Rxg3 36. hxg3 e4 $2 {[#]} (36... Bd8 37. Kg1 Bb6) 37. Kg1 $1 Rxf3 (37... Rxe2 38. Rxe2) 38. exf3 exd3 {[%mdl 4096] Endgame KRB-KBN} 39. Kg2 c5 {intending ...c4.} 40. Rc1 Bd4 41. f4 $1 Be3 42. Bxe3 Nxe3+ {KR-KN} 43. Kf3 Nc2 44. Ke4 c4 45. Rd1 Kg6 46. g4 Kf6 47. g5+ $2 (47. Rf1 d2 48. Rd1) 47... Kg6 48. Rb1 (48. Rg1 $18 d2 49. f5+ Kg7 50. Rd1) 48... d2 $11 49. Rb6+ (49. Rd1 {looks sharper.} c3 50. Kd3 Nb4+ 51. Kxc3 Nd5+ 52. Kxd2 Nxf4 53. Rf1) 49... Kf7 $2 {[%mdl 8192]} (49... Kg7 $11 50. Rb1 Kg6) 50. Rd6 {White mates.} c3 {[#]} 51. g6+ $1 Ke7 {[#]} 52. g7 $1 {[%cal Rg7g8][%mdl 512]} Kf7 53. Rd7+ Kg8 54. f5 Nd4 55. f6 Ne6 56. Ke3 Kh7 57. Ke2 Nf4+ 58. Kd1 Ng2 {Weighted Error Value: White=0.29/Black=0.44} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.26"]
[Round "5.5"]
[White "Michailov, Matias"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2262"]
[BlackElo "2428"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,92,49,20,91,78,108,97,89,57,59,45,45,53,56,56,72,74,103,104,111,50,50,43,50,54,59,50,45,50,93,29,49,20,15,19,50,50,50,42,42,42,50,42,57,35,37,0,0,0,0,0,0,0,0,0,0,-23,-15,-16,-5,-45,-45,-52,-45,-45,-45,-45,0,-12,-12,-12,-12,-12,-12,-14,-14,-231,-232]} 1. d4 Nf6 2. Nf3 d6 3. c4 c6 4. Nc3 Nbd7 5. e4 e5 6. Be2 Be7 7. O-O O-O 8. Re1 a6 9. d5 c5 {A55: Old Indian Defence with Nf3 and e4.} (9... cxd5 $11 10. exd5 h6) 10. a3 Ne8 11. b4 {[#]} a5 $146 {White is better.} ({Predecessor:} 11... b6 12. Rb1 g6 13. Bh6 Ng7 14. bxc5 bxc5 15. Qd2 Nf6 16. Qb2 Bd7 17. Qb6 Qxb6 18. Rxb6 {0-1 (56) Lenic,L (2659)-Haddouche,M (2508) Tromsoe 2014}) 12. bxc5 Nxc5 13. Be3 b6 14. Rb1 Bd7 15. Qc2 g6 16. Rb2 Ng7 17. Reb1 Ra6 18. Bxc5 (18. Ne1 $16) 18... bxc5 $14 19. Rb7 Bc8 20. Rb8 Qc7 21. R1b2 Nh5 22. Qb1 Nf6 23. R8b6 ({Better is} 23. Bd1 $16) 23... Nd7 24. Rxa6 (24. Rb7 {seems wilder.} Qd8 25. R7b5 Ra8 26. Nd2 Bg5 27. a4) 24... Bxa6 25. Nb5 Bxb5 26. Rxb5 Rb8 27. h4 Bd8 28. g3 Rb6 29. Bd1 Qb8 30. Rxb6 (30. Qb3 {is interesting.} Nf6 31. Nd2 Qc7 32. Kg2 Qa7 33. Qd3) 30... Qxb6 31. Qxb6 (31. Qc1 {with more complications.} Qb7 32. Nd2 Nf6 33. Kg2 Kg7 34. Ba4) 31... Nxb6 {[%mdl 4096] Endgame KBN-KBN} 32. Be2 f5 33. Nd2 Kf7 34. Bd3 Kf6 35. Kg2 Na4 36. f3 Nb2 37. Be2 a4 38. Nb1 Ba5 39. Kh3 h5 40. Kg2 Be1 41. Kh3 $1 g5 42. hxg5+ Kxg5 {...f4 is the strong threat.} 43. Kg2 Kf6 44. Kh3 Kg6 45. Kg2 $1 Kg5 46. Kh3 $2 {[#]} (46. Kf1 $1 $11 {and White stays safe.} Ba5 47. Kf2) 46... f4 {Weighted Error Value: White=0.18/Black=0.13} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.26"]
[Round "5.6"]
[White "Larrea, Manuel"]
[Black "Vazquez, Facundo"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2222"]
[BlackElo "2163"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:06:36]} e6 {[%emt 0:00:08]} 2. d4 {[%emt 0:00:09]} d5 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:10]} 4. e5 {[%emt 0:00:09]} Nfd7 {[%emt 0:00:06]} 5. f4 {[%emt 0:00:10]} c5 {[%emt 0:00:07]} 6. Nf3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:09]} 7. Be3 {[%emt 0:00:07]} Be7 {[%emt 0:00:09]} 8. Qd2 {[%emt 0:00:40]} O-O {[%emt 0:00:09]} 9. Be2 {[%emt 0:00:34]} b6 {[%emt 0:03:04]} 10. O-O {[%emt 0:02:33]} f5 {[%emt 0:01:51]} 11. Rfd1 {[%emt 0:05:48]} Kh8 {[%emt 0:07:01]} 12. a4 {[%emt 0:01:02]} Bb7 {[%emt 0:01:51]} 13. a5 {[%emt 0:07:21]} bxa5 {[%emt 0:08:48]} 14. Na4 {[%emt 0:04:12]} Nxd4 {[%emt 0:06:22]} 15. Nxd4 {[%emt 0:04:11]} cxd4 {[%emt 0:00:09]} 16. Bxd4 {[%emt 0:00:57]} Bc6 {[%emt 0:02:23]} 17. Qe3 {[%emt 0:15:27]} Rb8 {[%emt 0:05:57]} 18. b3 {[%emt 0:13:44]} Rb4 {[%emt 0:04:52]} 19. Nb2 {[%emt 0:02:12]} Rxd4 {[%emt 0:01:39]} 20. Rxd4 {[%emt 0:00:10]} Bc5 {[%emt 0:00:07]} 21. c3 {[%emt 0:09:46]} Qb6 {[%emt 0:02:40]} 22. Bd1 {[%emt 0:00:08]} Rc8 {[%emt 0:02:36]} 23. h3 {[%emt 0:02:39]} Bb5 {[%emt 0:02:54]} 24. g4 {[%emt 0:05:04]} fxg4 {[%emt 0:06:33]} 25. Bxg4 {[%emt 0:01:56]} Nb8 {[%emt 0:04:27]} 26. Rad1 {[%emt 0:07:03]} Bxd4 {[%emt 0:04:45]} 27. cxd4 {[%emt 0:00:39]} Rc2 {[%emt 0:00:21]} 28. Na4 {[%emt 0:04:46]} Bxa4 {[%emt 0:03:18]} 29. bxa4 {[%emt 0:00:01]} Rc4 {[%emt 0:06:58]} 30. f5 {[%emt 0:01:54]} exf5 {[%emt 0:01:04]} 31. e6 {[%emt 0:00:30]} Qd8 {[%emt 0:02:53]} 32. e7 {[%emt 0:00:51]} Qe8 {[%emt 0:00:12]} 33. Bh5 {[%emt 0:00:07]} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.27"]
[Round "6.1"]
[White "Rodi, Luis Ernesto"]
[Black "Vazquez, Facundo"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "2358"]
[BlackElo "2163"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,102,15,18,17,11,8,15,26,1,37,32,28,26,43,33,37,20,27,17,31,12,31,0,0,-15,-22,-29,-18,-27,0,-2,-10,-295,-267,-282,-278,-296,-287,-295,-288,-279,-197,-210,-187,-181,-184,-341,-315,-394,-402,-447,-448,-416,-405,-489,-483,-477,-483,-458,-314,-625,-514,-500,-443,-435,-425,-431,-424,-393,-402,-521,-522,-523,-506,-2116,-915,-908,-899,-881,-850,-6070,-6019,-29991,-29992,-29992,-29993,-29993,-29994,-29997,-5783,-5214,-4818,-1582,-1557]} 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. e3 Be7 {A22: English Opening: 1...e5 2 Nc3 Nf6.} 7. Nge2 O-O 8. O-O c6 {The position is equal.} 9. f4 exf4 10. Nxf4 N8d7 11. d4 c5 12. b3 cxd4 13. exd4 Nf6 {[#]} 14. Bb2 $146 ({Predecessor:} 14. Qd3 g6 15. Bb2 Bf5 16. Qd2 Qd7 17. d5 Rac8 18. Kh1 Ne8 19. Nfe2 Rd8 20. Rae1 {1-0 (53) Rastbod,A (2205)-Salar,M (2249) Qaem Shahr 2019}) 14... Bg4 15. Qd2 Qd7 16. Nd1 Nbd5 17. Nd3 Bh3 18. Ne5 Qe6 19. Bxh3 Qxh3 20. Nf2 Qe6 21. Rae1 $2 {[%mdl 8192] Now White is beyond hope.} (21. Nfd3 $11) 21... Bb4 $19 {[%mdl 64] [#] Skewer} 22. Qd1 Bxe1 23. Rxe1 Rfe8 24. Nfd3 Qd6 25. Qf3 b6 26. g4 h6 27. h4 {With the idea g5.} Nb4 28. Nf2 (28. Nxb4 {only move.} Qxb4 29. Rf1) 28... Qd5 {[#] ...Rxe5! is the strong threat.} 29. Qf4 Nd7 30. g5 hxg5 31. hxg5 Rad8 32. Re3 Nxe5 33. dxe5 Qd2 {White must now prevent ...Nd5.} 34. g6 Rf8 35. Ba3 $2 (35. Rf3 Qxf4 36. Rxf4) 35... fxg6 36. Qc4+ Nd5 37. Bxf8 Qxe3 38. Bd6 Qe1+ 39. Kg2 Qd2 40. a4 g5 41. Kg1 Kh8 42. Nd3 (42. Qd3 $142 Qxd3 43. Nxd3) 42... Qe3+ (42... Ne3 $142 43. Qe4 Qe2 44. Qh1+ Kg8) 43. Kf1 Nf4 44. Nf2 g4 {( -> ...g3)} 45. e6 Rxd6 46. e7 Re6 {[%csl Ge6][%cal Re3e1]} 47. Qc8+ Kh7 {[%csl Ge6][%cal Re3e1]} 48. Qc2+ g6 {[%csl Ge6][%cal Re3e1]} 49. Qd1 Qe2+ (49... g3 $142 50. Qd2 Qxd2 51. Nh1 Qg2#) 50. Qxe2 Nxe2 51. Nxg4 Rxe7 {Weighted Error Value: White=0.85/Black=0.21} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.27"]
[Round "6.2"]
[White "Roselli Mailhe, Bernardo"]
[Black "Larrea, Manuel"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2428"]
[BlackElo "2222"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,79,18,32,16,60,63,77,62,60,52,100,75,113,42,52,51,35,31,27,18,87,100,114,28,32,30,110,108,121,14,18,16,13,22,38,37,162,38,38,38,59,12,126,123,149,90,170,84,910,867,2109,2102,1786,909,1193,1111]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Bd7 11. O-O Qe8 12. b3 Nh7 13. a3 f5 {[#] aiming for ...g5.} 14. f3 {[#] E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} Rf7 $146 ({Predecessor:} 14... Nf6 15. Rb1 Nc5 16. Qc2 h5 17. b4 axb4 18. axb4 Na6 19. Bf2 Bh6 20. c5 Bxd2 21. Qxd2 f4 {0-1 (51) Kraai,J (2429)-Djukic,N (2525) Chess.com INT 2020}) 15. Rb1 Bf8 16. b4 {White is better.} axb4 17. axb4 Rg7 18. Bf2 f4 19. b5 (19. Qb3 $16) 19... Nc5 $14 20. b6 cxb6 21. Rxb6 Qc8 22. Nb3 {Nxc5 is the strong threat.} Na4 (22... Ba4 $11 {remains equal.}) 23. Nxa4 $16 Bxa4 24. c5 (24. Qb1 $16) 24... Nf6 $1 $11 {[%cal Rf6d7] White should prevent ...Nd7.} 25. Bb5 $36 {[%mdl 2048] White has the initiative.} Nd7 (25... Bxb5 $11 26. Rxb5 g5) 26. Bxd7 $16 Rxd7 27. cxd6 ({White must play} 27. Qd3 $16) 27... Rxd6 $11 28. Qd3 Rxb6 29. Bxb6 Bxb3 30. Qxb3 {[#] Hoping for d6+.} Bc5+ (30... Bd6 $14) 31. Kh1 (31. Bxc5 $18 Qxc5+ 32. Kh1) 31... Bd6 $1 $14 32. h3 h5 33. Bf2 Rb8 (33... g5 $1 $11) 34. Qb6 $16 Qd7 35. Rc1 (35. Bc5 $142 Bxc5 36. Qxc5 (36. Qxg6+ $2 Qg7 $17)) 35... Kf7 (35... g5 $16) 36. Be1 (36. Bc5 $18 Bc7 37. Qb3) 36... g5 $2 {[%mdl 8192]} (36... Qd8 $16 37. Qa7 Kg8) 37. Bb4 $18 {White is clearly winning.} Rd8 38. Bxd6 Qxd6 39. Rc7+ Ke8 40. Qxb7 {Weighted Error Value: White=0.43/Black=0.39} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.27"]
[Round "6.3"]
[White "Hoffman, Alejandro"]
[Black "Michailov, Matias"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2440"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,99,39,46,39,27,10,22,30,26,27,39,37,39,20,20,26,27,22,26,17,20,20,14,14,14,12,21,14,14,14,19,10,11,7,7,6,6,6,7,7,6,6,7,5,6,6,25,10,10,0,0,0,0,0,0,0,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. c4 d5 5. cxd5 exd5 6. Be2 Nc6 7. O-O Bd6 8. dxc5 Bxc5 9. a3 O-O 10. Nc3 Bg4 11. b4 {D32: Tarrasch Defence: Sidelines and lines without g3.} Bd6 12. Nb5 Bb8 13. Bb2 a6 14. Nbd4 Qd6 {[#] Strongly threatening ...Nxd4.} 15. Nxc6 $146 ({Predecessor:} 15. g3 Ne4 16. Rc1 Ne7 17. Nh4 Bxe2 18. Qxe2 f5 19. Ng2 Qd7 20. Nf3 Nc6 21. Rfd1 {1-0 (66) Krajcsovits,M-Jongsma,A Helsinki 1961}) 15... bxc6 16. Be5 Qe7 {...Bxf3 is the strong threat.} 17. Bxb8 Rfxb8 18. Nd4 Bd7 19. Qc2 a5 20. Nxc6 Bxc6 21. Qxc6 axb4 22. axb4 Rxa1 23. Rxa1 {[#] And now b5 would win.} Qxb4 24. Rd1 h6 25. h3 (25. Bf3 {seems wilder.} Qc4 26. Qd6 Rc8 27. h3 Qc2 28. Rf1) 25... Qb6 26. Qxb6 (26. Qa4 {feels hotter.} Ne4 27. Qc2 Qb2 28. Qxb2 Rxb2 29. Bf3) 26... Rxb6 $11 {[%mdl 4096] Endgame KRB-KRN} 27. Bf3 Rb5 28. g4 Kf8 29. Kg2 Ke7 30. Rd4 Ke6 31. h4 Ke5 32. Ra4 Rb2 33. Ra7 Ke6 {The position is equal.} 34. g5 hxg5 35. hxg5 Ne4 36. Bxe4 dxe4 {KR-KR} 37. g6 fxg6 38. Rxg7 Kf6 39. Rg8 Ra2 40. Kg3 Ra1 41. Rb8 Kf5 42. Rb5+ Kf6 43. Kf4 Ra2 44. Rb6+ Kf7 45. Kg3 Ra5 46. Rb4 Rg5+ 47. Kh3 Re5 48. Kg4 Rf5 49. Rxe4 {Threatens to win with Rf4.} Rxf2 50. Rf4+ {Weighted Error Value: White=0.03/Black=0.01} 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.27"]
[Round "6.4"]
[White "Ulaneo, Nicolas"]
[Black "Diaz Hollemaert, Nahuel"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2164"]
[BlackElo "2441"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,0,0,0,6,-2,13,-8,-3,-8,-8,-8,-2,-3,-12,-20,-12,-40,-39,-32,-19,-30,-29,-33,-41,-37,-31,-39,-39,-43,-47,-43,-2,-16,-11,-18,-15,-23,-28,-41,-39,-44,-39,-32,-36,-38,-8,-8,-8,-11,-10,-10,0,0,0,0,0,0,0,-18,-9,-9,-8,-8,-8,-8,-8,-9,-10,-16,-15,-17,-8,-23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0]} 1. e4 c5 2. Nc3 a6 3. a4 Nc6 4. g3 g6 5. Bg2 Bg7 6. d3 {B23: Closed Sicilian: Lines without g3.} d6 7. Be3 Nf6 8. h3 O-O 9. Nge2 Rb8 10. f4 Nd7 11. O-O b5 12. axb5 axb5 13. e5 {[#]} b4 $1 14. Bxc6 {Hoping for Nb5.} bxc3 {[#]} 15. bxc3 $146 ({Predecessor:} 15. b3 dxe5 16. Bg2 exf4 17. Bxf4 Ne5 18. Ra7 Bd7 19. Ra2 Rc8 20. Nxc3 Bc6 21. Ne4 {½-½ (58) Eremin,N (2212)-Bellegotti,G (2108) ICCF email 2014}) 15... dxe5 16. fxe5 Nxe5 17. Bg2 Bb7 18. Nf4 ({Don't go for} 18. Bxc5 $2 Bxg2 19. Kxg2 Qd5+ 20. Kh2 Nf3+ 21. Rxf3 Qxf3 $19) 18... Bxg2 19. Nxg2 Qc8 20. Kh2 Rd8 21. Qe2 Nd7 22. Bf4 e5 23. Bg5 f6 24. Bc1 f5 25. Bg5 Re8 26. Ra7 Qc6 27. Rfa1 e4 {Strongly threatening ...exd3.} 28. R1a6 Rb6 29. Rxb6 Nxb6 30. dxe4 Rxe4 31. Qa6 c4 32. Be3 $1 {Black must now prevent Rb7.} Re6 33. Rb7 {[%cal Rb7b6]} Nc8 34. Qa8 {[#]} Re7 $1 35. Rb8 Qxa8 36. Rxa8 Re8 37. Bd4 Nd6 38. Rxe8+ Nxe8 $11 {[%mdl 4096] Endgame KBN-KBN} 39. Ne3 Nd6 40. Kg2 Kf7 41. Kf3 Bxd4 42. cxd4 {KN-KN. The position is equal.} Nb5 43. c3 Nxc3 44. Nxc4 Ke6 45. g4 fxg4+ 46. Kxg4 Kd5 47. Ne5 Ne4 48. Nf3 h6 49. Kf4 {Weighted Error Value: White=0.04/Black=0.03} 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.27"]
[Round "6.6"]
[White "Granara Barreto, Sebastian"]
[Black "Carbone, Diego"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2156"]
[BlackElo "2236"]
[Annotator "NA"]
[PlyCount "12"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.28"]
[Round "7.1"]
[White "Carbone, Diego"]
[Black "Rodi, Luis Ernesto"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2236"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,114,30,39,22,18,19,0,0,-15,0,0,0,0,0,-29,-26,-18,-17,-28,-3,-54,0,-20,-33,-30,0,0,-6,-31,-45,-115,-102,-127,-108,-114,-30,-165,-47,-24,-35,-19,-33,-28,-32,-52,-52,-42,-34,-119,-41,-61,-37,-47,-10,-56,-51,-46,-35,-98,-75,-237,-122,-181,-178,-240,-262,-264,-258,-233,-221,-276,-243,-272,-272,-265,-306,-297,-296,-280,-275,-271,-152,-230,260,-29975,-29976,-29976,-29976,-29980,-29981,-12849,-10859,-29986,-29985,-29985,-29986,-29987,-29988]} 1. d4 e6 2. c4 Nf6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Bf4 Bf5 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} 11. Nh4 Bg4 12. h3 Nh5 {The position is equal.} 13. Bd2 Bd7 {[#]} 14. a4 $146 ({Predecessor:} 14. Qc1 b5 15. a3 Na6 16. Kh2 f5 17. Nf3 c4 18. Bh6 Bf6 19. Qc2 Nc5 20. Rad1 {0-1 (39) Bitelmajer,M (2453)-Mareco,S (2664) Montevideo 2019}) 14... Na6 15. e4 Nb4 16. Nf5 gxf5 17. Qxh5 Qf6 18. Rad1 a6 19. Bf4 (19. Bg5 $11 Qg6 20. Qxg6 hxg6 21. Bf4) 19... Bf8 (19... c4 $15) 20. h4 Qg6 21. Qg5 Nc2 22. Bh3 {[%cal Rh3f5]} Nd4 {And now ...Nf3+ would win.} 23. Kg2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 24. exf5 ({White should try} 24. axb5 $15 axb5 25. b4) 24... Qxg5 $17 25. hxg5 b4 26. Na2 Bxa4 ({Of course not} 26... Bxf5 $6 27. Bxf5 Nxf5 28. Rfe1 $11) (26... a5 $1 $17 27. Rxd4 cxd4) 27. Rd2 (27. Nxb4 $1 $11 {and White is okay.} Bb3 28. Rd2) 27... Bb3 (27... Bb5 $19 28. Nxb4 Nb3) 28. Nxb4 $1 $15 a5 29. Nd3 Bxd5+ 30. f3 Rab8 31. Bg4 Bc4 32. Rff2 a4 $36 {[%mdl 2048] Black has good play.} 33. Bh3 (33. f6 $15) 33... Rb6 ({Black should play} 33... Rb3 $17 34. Nc1 Rb6) 34. f6 Reb8 35. Bd7 Ra8 36. Nc1 Ra7 37. Bg4 d5 (37... h6 $5) 38. Be3 ({Better is} 38. Nd3 $15) 38... Ne6 $1 $17 39. Nd3 $2 (39. Rc2 $17 {was called for.}) 39... d4 (39... a3 $1 $19 {[%cal Ra3a2]} 40. bxa3 (40. Bxe6 $2 Rxe6 41. bxa3 Rxe3 $19) 40... Rxa3 41. Bxe6 Rxe6 42. Bxc5 Rxd3 43. Bxf8 Kxf8) 40. Bf4 Bxd3 41. Rxd3 (41. Bxe6 {was worth a try.} c4 42. Bg4) 41... c4 $19 42. Rd1 {With the idea Bxe6.} Nxf4+ 43. gxf4 d3 44. Bf5 Rab7 45. Be4 Rxb2 46. Bxb7 Rxb7 {[%mdl 4096] Endgame KRR-KRB} 47. Rc1 Rc7 {aiming for ...c3.} 48. Rd2 {Rxd3! is the strong threat.} a3 $1 49. Kf2 Bc5+ (49... Rc8 $19 {Threatens to win with ...Bc5+.} 50. Ke3 Bc5+ 51. Ke4 Re8+ 52. Kf5 Bb4) 50. Kg3 $17 {[#]} Be3 $4 {[%mdl 8192] [#]} (50... Bd6 $1 $19 {avoids the disaster. Hoping for ...Rc5.} 51. Rh1 Rc5) 51. Rxd3 $4 {[%mdl 8192]} cxd3 52. Rxc7 $18 {KR-KB} h6 53. Rc8+ Kh7 54. Rf8 hxg5 55. f5 d2 {Black mates.} 56. Rxf7+ Kg8 57. Rd7 a2 {Weighted Error Value: White=0.48/Black=0.33} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.28"]
[Round "7.2"]
[White "Coppola, Claudio"]
[Black "Granara Barreto, Sebastian"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2248"]
[BlackElo "2156"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,58,29,25,49,40,39,19,33,24,43,50,63,57,191,191,195,170,204,198,200,195,202,183,189,177,179,191,186,177,166,177,264,268,291,296,288,290,435,436,430,431,431,431,406,426,419,408,383,368,444]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 e6 6. Ne5 Nbd7 {E04: Open Catalan: 5 Nf3.} 7. Nxc4 Nb6 8. Nxb6 axb6 {The position is equal.} 9. O-O Bd6 {[#]} 10. e4 $146 {Threatens to win with e5.} ({Predecessor:} 10. Nc3 e5 11. d5 c5 12. e4 Bd7 13. f4 b5 14. Qe2 Qb6 15. Qe1 b4 16. Ne2 {0-1 (38) Gromak,I (1777)-Khazhipov,T (2029) Cheliabinsk 2011}) 10... e5 11. f4 exf4 {[#]} (11... Bg4 $1 $14 12. Qd2 exd4) 12. e5 $1 $18 {[%mdl 64] Double Attack} fxg3 13. hxg3 ({Resist} 13. exd6 $6 gxh2+ 14. Kh1 Qxd6 $16) 13... Be7 14. exf6 Bxf6 15. d5 cxd5 16. Qxd5 O-O 17. Nc3 Bd4+ 18. Kh2 Ra5 19. Qxd8 Rxd8 20. Bf3 g5 (20... Be6 {was necessary.} 21. Bd2 (21. Bxb7 $2 Rh5+ 22. Kg2 Bh3+ {[%mdl 64] Skewer} 23. Kf3 Bxf1 $19) 21... Rd7) 21. Rd1 Rd6 {Hoping for ...Rh6+.} 22. Kg2 g4 23. Be4 f5 {[#]} (23... Rd7 {was called for.} 24. Bf4 h5) 24. Bf4 $1 Rd7 {[#]} 25. Bd5+ {[%mdl 512]} Raxd5 26. Nxd5 Rxd5 27. Rd2 Bd7 28. Rad1 Bc6 29. Kh2 Rd7 {White took control after the opening.  Weighted Error Value: White=0.01/Black=0.28} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.28"]
[Round "7.4"]
[White "Michailov, Matias"]
[Black "Ulaneo, Nicolas"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2262"]
[BlackElo "2164"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,0,24,36,26,28,13,6,34,30,41,15,35,-11,53,64,50,36,74,59,66,68,99,87,114,79,126,121,118,64,79,109,229,234,260,238,474,213,486,452,447,460,721,316,530,534,535,523,899,906,1053,1047,1251,1399,1199,1257,29986,29987,29993,29992]} 1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 Qb6 5. Nbd2 d5 6. Bxf6 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} gxf6 7. dxc5 Bxc5 8. c4 {The position is equal.} Nc6 9. cxd5 exd5 10. Be2 {[#]} Be6 $146 ({Predecessor:} 10... Rg8 11. O-O Bh3 12. Ne1 O-O-O 13. Kh1 Bf5 14. Bd3 Be4 15. Bxe4 dxe4 16. Nc4 Qa6 {1-0 (48) Valaker,O (2195)-Cazzaniga,W (2158) Milan 2013}) 11. a3 Rg8 (11... d4 $11 12. b4 dxe3 13. bxc5 exd2+ 14. Qxd2 Qxc5) 12. b4 $14 Be7 13. g3 Rd8 14. Nb3 Bh3 15. Nfd4 Ne5 16. Rc1 Kf8 17. Rg1 Nc4 18. Bxc4 dxc4 19. Nd2 ({White should play} 19. Rxc4 $16 Rg6 20. Qc1) 19... Rxd4 20. exd4 Kg7 (20... Bg4 $16 21. Qc2 {[%mdl 64] Double Attack} Qe6+ 22. Qe4 b5) 21. Nxc4 $18 Re8 {[%csl Gb6][%cal Re7b4] [#]} 22. Ne3 Qb5 $2 (22... Bd6 23. Qd3 a5) 23. d5 (23. g4 $142) 23... a5 $2 (23... Bd6 24. Qb3 Bd7) 24. d6 Bd8 25. Rc5 Qd7 (25... Qb6 $142 26. Qd4 Bd7) 26. bxa5 (26. g4 $142) 26... Re5 $2 (26... b6 27. Rd5 Be6) 27. Rxe5 fxe5 28. Qd5 Qa4 29. g4 Qxa3 30. Rg3 {[#] Black must now prevent Nf5+.} Qc1+ 31. Ke2 Qb2+ 32. Kf3 Bh4 33. d7 Bxg3 34. Kxg3 {Weighted Error Value: White=0.42/Black=1.00} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.28"]
[Round "7.5"]
[White "Larrea, Manuel"]
[Black "Hoffman, Alejandro"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2222"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,44,0,5,10,16,-10,-2,-26,0,0,0,0,0,0,0,-7,0,0,0,-23,-24,-24,10,0,0,0,0,-12,0,-8,-8,-8,-6,-8,-13]} 1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. exd5 Nf6 7. Bb5+ {B27: Sicilian: 2 Nf3, unusual Black 2nd moves.} Nbd7 8. Qb3 (8. d6 {keeps more tension.} a6 9. Bd3 O-O 10. O-O exd6 11. Re1) 8... O-O 9. Bxd7 {[#]} Bxd7 $146 (9... Qxd7 {is interesting.} 10. Nc3 Rd8 11. O-O Nxd5 12. Re1 e6) ({Predecessor:} 9... Qxd7 10. Nc3 b6 11. Ne5 Qb7 12. O-O Bf5 13. Re1 Rac8 14. h3 Bd7 15. a4 e6 16. Nxd7 Qxd7 17. dxe6 Qxd4 18. Nb5 {1-0 (18) Radovic,J (2033)-Ivic,M (1665) Paracin 2012}) 10. O-O Qb6 11. Nc3 Qxb3 12. axb3 Rfd8 13. Re1 e6 14. Bg5 exd5 15. Bxf6 Bxf6 16. Nxd5 Kg7 17. Ne5 {The position is equal.} Bf5 18. Nxf6 Kxf6 19. Ra4 a5 20. Rc4 Be6 21. Rc7 Rxd4 22. Rxb7 Rc8 {A rather calm draw.  Weighted Error Value: White=0.08/Black=0.03} 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.28"]
[Round "7.6"]
[White "Vazquez, Facundo"]
[Black "Roselli Mailhe, Bernardo"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2163"]
[BlackElo "2428"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,49,20,50,49,58,39,40,37,48,28,54,52,52,58,50,34,52,59,62,21,70,72,92,87,90,90,95,97,89,82,87,84,111,77,91,77,79,80,71,76]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Bxd2+ 6. Qxd2 Ne4 7. Qc2 {E11: Bogo-Indian.} f5 8. Nc3 Nxc3 9. Qxc3 {White is slightly better.} d6 {[#]} 10. c5 $146 ({Predecessor:} 10. Bg2 Nd7 11. O-O Nf6 12. Nd2 d5 13. Qb3 c6 14. f3 O-O 15. e4 Qd7 16. cxd5 exd5 17. exd5 Qxd5 18. Qxd5+ Nxd5 {½-½ (53) Stojanovic,S (1708)-Babin,A (1937) Belgrade 2017}) 10... Bd7 11. cxd6 cxd6 12. d5 exd5 13. Bg2 Nc6 14. O-O O-O 15. Qd2 d4 16. Nxd4 Nxd4 {White is better.} 17. Qxd4 Bc6 18. Bd5+ Kh8 19. e3 Rac8 20. Rac1 h6 21. Rfd1 Rfd8 22. h4 ({Wrong is} 22. Qxa7 $2 Bxd5 23. Qd4 (23. Rxc8 $2 Rxc8 24. Qd4 Bf3 $19) 23... Rxc1 $19) 22... Kh7 23. Rc3 ({But not} 23. Qxa7 $2 Bxd5 24. Qd4 (24. Rxc8 $2 Rxc8 25. Qd4 Be4 $19) 24... Rxc1 $19) 23... Bxd5 24. Qxd5 {[#] Hoping for Rxc8.} Rxc3 25. bxc3 {Weighted Error Value: White=0.09/Black=0.12} 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.29"]
[Round "8.1"]
[White "Rodi, Luis Ernesto"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2358"]
[BlackElo "2428"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,98,19,16,31,24,69,33,42,31,143,128,185,41,29,48,67,0,4,0,0,0,41,-36,-36,-70,-53,-104,-99,-95,-110,-112,-95,-237,-97,-96,-96,-101,-105,-88,-87,-78,-88,-53,-83,-107,-106,-152,-139,-153,-146,-143,-132,-362,-377,-354,-344,-506,-506,-500,-496,-454,-439,-29968,-29968,-29969,-29968,-29971,-29972,-29973,-29974,-29974,-29975,-29975,-29975,-29975,-29976,-29986,-29984,-29986,-29987,-29988,-29988,-29989,-29990]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. Na3 cxd4 7. cxd4 Nf5 8. Nc2 Bd7 9. Bd3 {The main line 9.Bd3 scores better than 9.Be2.} Be7 {C02: French: Advance Variation.} 10. O-O Qb6 11. Kh1 {[#]} h6 $146 {White is slightly better.} (11... Ncxd4 $2 12. Nfxd4 Nxd4 13. Be3 $18) (11... Nfxd4 $2 12. Be3 $18) ({Predecessor:} 11... a5 12. g4 Nh6 13. Rg1 Ng8 14. a3 a4 15. Be3 Na5 16. Qe2 Bc6 17. Rab1 Nb3 {1-0 (30) Zhigalko,A (2587)-Nedochetov,M (2299) Rijeka 2010}) 12. Rb1 O-O-O (12... Nfxd4 $2 13. Be3 $18) (12... Ncxd4 $2 13. Ncxd4 Nxd4 14. Be3 $18) (12... a5 $14) 13. b4 $16 Na5 14. g4 (14. Bxf5 $18 {And now Bd3 would win.} exf5 15. Na3 (15. Ne3 Be6 $14)) 14... Nh4 $14 15. Nxh4 Bxh4 16. Be3 (16. b5 $14) 16... Nc4 $11 17. b5 Qa5 ({Avoid the trap} 17... Bxb5 $2 18. a4 $18) 18. a4 Kb8 19. Nb4 (19. Bxc4 $14 dxc4 20. Nb4) 19... Rc8 $15 20. Qb3 Ka8 (20... Nxe3 $2 21. fxe3 Rhe8 22. Rxf7 $16) 21. Rfc1 (21. Bxc4 $15 Rxc4 22. Nd3) 21... Nxe3 $17 22. fxe3 Rxc1+ 23. Rxc1 Be7 24. Na2 (24. Rb1 $17) 24... Rc8 (24... Qd2 $19 {and Black stays clearly on top.} 25. Rc7 Qxe3) 25. Rxc8+ Bxc8 26. Qc3 Qxc3 27. Nxc3 {[%mdl 4096] Endgame KBB-KBN} Bb4 28. Ne2 Kb8 29. Kg2 Kc7 30. Nf4 {Black keeps a firm grip on the game.} Kb6 31. h4 Ka5 32. Bc2 Be7 33. Nh5 {[#]} g5 34. Nf6 $2 (34. hxg5 $17 hxg5 35. Kf2) 34... Bxf6 $19 35. exf6 {[#] Strongly threatening hxg5. KB-KB} Bd7 $1 36. hxg5 (36. Bg6 $142 Be8 37. hxg5 hxg5 38. Bc2) 36... hxg5 37. Kf3 a6 38. bxa6 bxa6 {[%cal Bb7a6,Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 39. e4 (39. Ke2 $19 Bxa4 40. Bh7) 39... Bxa4 {Black mates.} 40. Bb1 Kb4 41. exd5 exd5 42. Bf5 Kc4 43. Ke3 a5 44. Bc8 Bb5 45. Bf5 a4 46. Bd3+ Kb4 47. Bb1 Kc3 48. Ba2 Bc4 49. Bb1 a3 {Weighted Error Value: White=0.41/Black=0.15} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.29"]
[Round "8.2"]
[White "Hoffman, Alejandro"]
[Black "Vazquez, Facundo"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2440"]
[BlackElo "2163"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,120,6,31,6,8,12,11,5,10,3,44,38,41,35,57,52,83,77,72,74,76,75,60,26,23,24,28,24,99,50,85,82,102,89,104,12,6,9,8,12,14,14,14,18,68,54,72,51,51,51,51,52,52,52,52,52,113,0,3,0,54,22,46,46,46,46,48,21,26,14,12,14,29,16,33,0,0,0,0,0,0,0,0,-834,-808,-755,-668,-808,-869,-968,-957,-866,-737,-998,-989,-1033,-1033,-971,-971,-945,-918]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 Nbd7 8. Bd3 Nh5 9. Bxe7 Qxe7 10. Nge2 g6 11. O-O O-O 12. Rae1 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} Nb6 13. Nc1 Ng7 14. f3 {The position is equal.} Ne6 15. Qf2 c5 16. dxc5 Nxc5 {[#]} 17. Bc2 $146 ({Predecessor:} 17. Bb1 Re8 18. Qd2 Bd7 19. b3 Rac8 20. Rf2 Qe5 21. Nd1 Bb5 22. Ne2 Bxe2 23. Rfxe2 {1-0 (86) Wojtaszek,R (2711)-Cyborowski,L (2526) Czech Republic 2014}) 17... Re8 18. Nb3 Nca4 19. Nxa4 Nxa4 20. e4 Bd7 21. exd5 Qf6 22. Qd4 (22. Nd2 {seems wilder.} Rxe1 23. Rxe1 Nb6 24. Bb3 Qxb2 25. Rb1) 22... Qxd4+ 23. Nxd4 Nb6 24. Bb3 Rad8 (24... Ba4 $11) 25. Kf2 a5 {[#]} 26. a3 $1 Rxe1 27. Rxe1 Ba4 28. Re5 (28. Re7 $16) 28... Bxb3 $11 29. Nxb3 {[%mdl 4096] Endgame KRN-KRN} Nc4 30. Re4 b5 31. Rd4 Kf8 32. Nc5 Nd6 33. Ne4 Ke7 34. g4 Rc8 35. Rd2 f5 36. gxf5 gxf5 37. Nc3 Rc4 38. Ne2 b4 (38... a4 $14) 39. axb4 ({Better is} 39. b3 $16 Rh4 40. Kg3 Rg4+ 41. Kh3) 39... Rxb4 40. Nd4 {Strongly threatening Nc6+.} Kf6 ({Black should try} 40... Nc4 $11 41. Re2+ (41. Nxf5+ $2 Kf6 $19) 41... Kd6) 41. b3 a4 42. bxa4 Rxa4 43. Nc6 Kg5 44. Kg3 h5 45. Nd4 h4+ 46. Kf2 Kf4 47. Ne6+ Ke5 48. f4+ Kf6 {...Ne4+ is the strong threat.} 49. Rc2 Ra5 50. Rc6 Ke7 51. Rc7+ Kf6 52. Nc5 $2 {[%mdl 8192] [#]} (52. Rh7 $11) 52... Rxc5 $1 $19 {[%mdl 512] KRN-KR. Black is clearly winning.} 53. Rh7 Rc2+ 54. Kg1 Nf7 55. Rxh4 Rd2 56. Rh3 Rxd5 57. Ra3 Rd4 58. Rf3 Nd8 59. Kg2 Ne6 60. Kg3 Kg6 {Weighted Error Value: White=0.39/Black=0.12} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.29"]
[Round "8.3"]
[White "Ulaneo, Nicolas"]
[Black "Larrea, Manuel"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "2164"]
[BlackElo "2222"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,56,-3,4,0,0,0,0,0,0,0,11,0,0,14,27,3,32,-92,-91,-191,-187,-206,-191,-237,-225,-302,-285,-293,-290,-435,-431,-443,-445,-440,-445,-506,-491,-679,-670,-784,-520,-1329,-1285,-1026,-625,-989,-611,-881,-478]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 a6 6. Nxd4 {B23: Closed Sicilian: Lines without g3.} cxd4 7. Ne2 Bc5 {7...Nf6 gains popularity.} 8. d3 {The position is equal.} Ne7 (8... b5 $5 9. Bb3 $8 Bb7 $11) 9. O-O O-O 10. Ng3 d5 11. Bb3 {[#]} f5 $146 ({Predecessor:} 11... Bd6 12. f4 dxe4 13. dxe4 Qc7 14. Kh1 Ng6 15. e5 Bc5 16. Qh5 b5 17. Ne4 Be7 {0-1 (25) Abergel,T (2444)-Garrido Outon,A (2359) Los Cancajos 2020}) 12. Bg5 f4 13. Nh5 {[#]} (13. Ne2 $14 {stays ahead.}) 13... e5 $1 $17 {White is on the road to losing.} 14. Bxd5+ (14. exd5 $17 Bd6 15. g3) 14... Kh8 $19 15. c3 h6 16. Bb3 hxg5 17. cxd4 Bxd4 18. Nxf4 {[%cal Rd1h5]} Qd6 19. Nd5 (19. Qh5+ {is a better defense.} Qh6 20. Qxh6+ gxh6 21. Ne2) 19... Nxd5 {Black is clearly winning.} 20. Bxd5 g4 21. Rc1 Be6 22. Bxe6 Qxe6 23. Rc7 {[#]} Bxf2+ $1 {[%mdl 512]} 24. Kh1 (24. Rxf2 Rxf2) 24... b5 25. Qd2 {[#]} (25. h3 $142 Bg3 26. Rc1) 25... Be3 $1 {[%cal Rf8f1][%mdl 576] Discovered Attack} 26. Qe2 (26. Qe1 Rxf1+) 26... Rxf1+ 27. Qxf1 Rc8 28. Rc3 Bd2 {Weighted Error Value: White=0.85/Black=0.27} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.29"]
[Round "8.5"]
[White "Granara Barreto, Sebastian"]
[Black "Diaz Hollemaert, Nahuel"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2156"]
[BlackElo "2441"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,74,44,53,49,129,103,96,97,120,121,115,83,160,39,38,40,30,28,51,-75,-71,-75,-64,-70,-16,-39,-29,-32,-12,-40,-49,-57,-41,-41,-41,-47,-47,-36,-48,-28,-28,-35,-35,-80,-72,-144,-146,-165,-165,-155,-160,-156,-130,-128,-129,-218,-215,-575,-577,-585,-583,-535,-408,-407,-407,-465,-465]} 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. h4 d5 5. e5 c5 6. h5 {[#] B06: Modern Defence.} gxh5 $146 ({Black should play} 6... Nc6 $14) ({Predecessor:} 6... cxd4 7. Qxd4 Nc6 8. Bb5 e6 9. Nf3 Nge7 10. h6 Bf8 11. Bg5 Qa5 12. Qf4 Ng8 {1-0 (25) Potapov,P (2285)-Ganaus,H (2340) Olomouc 2005}) 7. Rxh5 Nc6 8. Bb5 {White is better.} Bd7 9. Bxc6 bxc6 10. dxc5 Qb8 (10... Kf8 $142) 11. Nf3 ({Better is} 11. Qd4 $16) 11... Bg4 $1 $14 {[%cal Rg4h5]} 12. Rg5 Bxf3 13. Qxf3 {Strongly threatening Bf4.} Bxe5 14. Nxd5 (14. Rf5 $1 $14) 14... cxd5 $17 15. Qxd5 Bf6 16. Bf4 Qd8 (16... Qc8 $15 17. Rg3 h6) 17. Qc6+ $1 $11 Kf8 18. Rd5 Qc8 (18... Qe8 {feels hotter.} 19. Qb7 Qc8 20. Qxc8+ Rxc8 21. O-O-O Kg7) 19. Qxc8+ Rxc8 20. O-O-O Kg7 21. b4 e6 22. Rd7 a5 23. a3 axb4 24. axb4 Ne7 25. R1d3 h5 26. Rg3+ Ng6 27. Bd6 (27. Kd2 $142) 27... h4 $1 $17 {[%cal Rh4g3]} 28. Ra3 Ne5 29. Bxe5 Bxe5 30. Raa7 Rcf8 31. c6 {[#]} Rh5 $1 {[%cal Rh5g5] ...Rg5 is the strong threat.} 32. c7 {[#]} (32. Ra5 $17) 32... Rc8 $1 $19 {White must now prevent ...Rg5.} 33. c4 $2 (33. Kd1 Rg5 34. Ra5) 33... Rg5 34. Ra5 Bf4+ 35. Kd1 {aiming for Rxg5+.} Rxa5 36. bxa5 Bxc7 37. a6 Bb6 {Weighted Error Value: White=0.38/Black=0.17} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.29"]
[Round "8.6"]
[White "Carbone, Diego"]
[Black "Coppola, Claudio"]
[Result "0-1"]
[ECO "A59"]
[WhiteElo "2236"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,106,64,59,59,75,58,72,48,75,57,34,27,29,12,31,30,39,40,39,34,42,19,21,24,15,16,26,-33,-40,-109,-102,-227,-214,-213,-227,-203,-60,-64,-95,-87,-77,-148,-140,-237,-210,-273,-253,-271,-260,-245,-260,-256,-231,-489,-440,-454,-470,-501,-501,-485,-377,-509,-411,-398,-380,-299,-226,-1450,-1437,-1403,-1219,-1309,-1253,-2889,-2872,-12789,-6087,-29983,-29984,-29986,-29988,-29987,-29988,-29988,-29989,-29993,-29994]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Bg7 10. Nf3 O-O 11. Kg2 Qb6 12. a4 {A59: Benko/Volga Gambit: White castles by hand.} Na6 13. Qe2 Nc7 {[#]} 14. Rd1 $146 {White is better.} ({Predecessor:} 14. Bf4 Rfb8 15. Rhb1 Nd7 16. e5 Qa6 17. exd6 Qxe2 18. Nxe2 Nxd5 19. dxe7 Nxf4+ 20. Nxf4 Bxb2 21. e8=Q+ Rxe8 22. Rxb2 {1-0 (22) Fedoseev,V (2991)-Terzi,A (2612) Chess.com INT 2019}) 14... Nd7 15. Ra3 Rfb8 16. Nd2 Qa6 17. Nb5 Nxb5 18. axb5 Qb7 19. Nb1 Rxa3 20. Nxa3 Qa7 21. Bg5 Kf8 22. Qc2 Nb6 23. Ra1 Qa4 24. b3 Qd4 $15 25. Ra2 (25. Rd1 $15 Qb4 26. Bc1) 25... Nxd5 $1 $17 {And now ...Nb4 would win.} 26. Be3 (26. Bd2 $17 Nc3 27. Bxc3 Qxc3 28. Qxc3 Bxc3 29. Kf1) 26... Nxe3+ $19 27. fxe3 Qxe3 28. Nc4 Qc3 (28... Qe1 $19 {Strongly threatening ...Bd4.} 29. Qd3 Bd4) 29. Qxc3 Bxc3 $15 {[%mdl 4096] Endgame KRB-KRN. White is now going downhill.} 30. b6 f5 31. exf5 (31. Kf3 $142) 31... gxf5 $17 32. Ra6 (32. Rf2 $17 {was called for.}) 32... d5 $19 33. Na3 Ke8 34. Nb5 {[#]} Be5 35. Nc7+ Bxc7 36. bxc7 {KR-KR} Rc8 37. Rc6 $2 (37. Kf3 {was forced.}) 37... Kd7 {[%mdl 64] Double Attack} 38. Rxc5 Kd6 39. Rb5 Rxc7 40. Kf3 Rc2 41. h4 Ke5 42. Rb7 Rc3+ 43. Kf2 e6 44. Rb6 $2 (44. Rxh7 Rxb3 45. h5) 44... h5 45. b4 Rb3 46. b5 d4 47. Rb8 Ke4 48. b6 Rb2+ 49. Kg1 d3 {Black mates.} 50. b7 d2 {[%cal Rd2d1]} 51. Rd8 {[#]} Ke3 $1 52. Rd6 Rxb7 53. Rxe6+ Kf3 {Weighted Error Value: White=0.91/Black=0.14} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.30"]
[Round "9.1"]
[White "Coppola, Claudio"]
[Black "Rodi, Luis Ernesto"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2248"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,53,52,47,47,28,36,37,47,41,38,24,27,14,30,0,0,0,0,0,0,-33,8,0,7,11,97,89,91,0,117,115,135,103,128,126,132,122,144,125,139,104,140,106,112,0,0,28,141,142,183,185,205,205,205,205,205,205,337,343,587,379,379,168,29998,29999]} 1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Nge7 5. Bxe5 a6 6. Bxc6+ {A01: Nimzowitsch-Larsen Opening.} Nxc6 7. Bg3 h5 {[#] Strongly threatening ...h4.} 8. h4 $1 {[#] White is slightly better.} d4 $146 ({Predecessor:} 8... Bd6 9. Ne2 Bg4 10. f3 Bf5 11. d4 Nb4 12. Na3 Qe7 13. Bxd6 Qxd6 14. Qd2 O-O-O {1-0 (31) Deac,B (2625)-David,A (2428) Chess.com INT 2020}) 9. Ne2 Bd6 10. exd4 Bxg3 11. Nxg3 Nxd4 12. c3 Qe7+ 13. Kf1 $1 Nf5 14. Nxf5 Bxf5 15. Qe2 Be6 {[%mdl 1024] Black has compensation.} (15... Rd8 $5 {[%cal Rf5d3]} 16. d4 c5 $11) 16. d4 O-O-O 17. Nd2 $36 {[%mdl 2048] Black is under pressure.} Qf6 (17... c5 $11) 18. Ne4 $16 Qg6 19. Nc5 ({White should try} 19. Ng3 $16) 19... Bg4 (19... Rhe8 $1 $11 20. Qd3 Bf5) 20. Qe4 {[%csl Gc5][%cal Re4b7]} Qb6 21. Re1 g6 22. f3 Bf5 23. Qe3 Qc6 24. Kf2 Rhe8 25. Qc1 a5 26. Rxe8 Rxe8 27. Re1 (27. Na4 $16) 27... b6 $11 {White must now prevent ...Rxe1.} 28. Na4 Rd8 (28... Rxe1 $1 $11 {remains equal.} 29. Qxe1 Qd6) 29. Qf4 $16 f6 30. c4 Re8 31. d5 Qd7 32. Rxe8+ Qxe8 33. d6 Bd7 {[#]} (33... Qe5 $142 34. Qxe5 fxe5 35. dxc7 Kxc7) 34. Nc3 $1 $18 (34. Qxf6 Bxa4 35. bxa4 cxd6 $16) 34... g5 $2 (34... cxd6 35. Ne4 (35. Qxf6 Qd8 $18) 35... Qe6 36. Nxd6+ (36. Nxf6 Bc6 $18) (36. Qxf6 Kc7 $16) 36... Kd8) 35. hxg5 fxg5 36. Qe4 (36. Qxg5 $142 {Threatens to win with Nd5.} Bc6 37. dxc7) 36... cxd6 $2 (36... Qxe4 $18 37. Nxe4 Bf5) 37. Qa8+ {Weighted Error Value: White=0.27/Black=0.58} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.30"]
[Round "9.2"]
[White "Diaz Hollemaert, Nahuel"]
[Black "Carbone, Diego"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2441"]
[BlackElo "2236"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,77,-15,-15,-13,-12,-11,6,4,20,6,26,17,29,31,24,37,53,24,31,12,3,-6,25,32,26,27,48,28,70,62,68,77,77,83,146,150,170,185,185,179,191,182,193,186,224,216,298,252,282,269,261,279,398,380,375,376,540,526,595,596,1254,1159,2416,2408,29981,29982,29983,29984,29984,29985]} 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e4 d6 5. g3 O-O 6. d3 {A05: Réti Opening: 1 Nf3 Nf6.} e5 7. Bg2 Nc6 8. O-O {The position is equal.} h6 9. Re1 Re8 10. Nbd2 Be6 {[#]} 11. c3 $146 ({Predecessor:} 11. h3 Qd7 12. Kh2 Rad8 13. Qe2 Nh7 14. Rad1 f5 15. Nh4 Qf7 16. exf5 gxf5 17. c4 {0-1 (45) Peyrer,K (2265)-Huber,M (2341) Playchess.com INT 2020}) 11... d5 12. exd5 Nxd5 13. a3 Bf5 14. Ne4 Nf6 15. Nfd2 Qe7 16. b4 Nxe4 17. Nxe4 Rad8 18. Nc5 Bc8 19. Qa4 Qd6 20. Re3 {White leaves nothing to chance now.} a6 21. Rae1 Rf8 {[#]} (21... g5 $142) 22. c4 $1 $16 Nd4 23. Nxb7 Bxb7 24. Bxb7 Nf5 25. c5 (25. Bxa6 Nxe3 26. Rxe3 Ra8 $14) (25. Bxe5 $6 Qb6 $16) (25. Qxa6 Qxa6 26. Bxa6 Nxe3 $11) 25... Qe6 26. R3e2 ({Resist} 26. Qxa6 $6 Qxa6 27. Bxa6 Nxe3 $16) ({Not} 26. Bxa6 Nxe3 27. Rxe3 Ra8 $11) ({Don't play} 26. Rxe5 Qa2 $16) (26. Bxe5 $6 Nxe3 27. Bxg7 Kxg7 $16) 26... Rxd3 27. Qxa6 Qd7 28. Be4 Rd2 29. Rxd2 Qxd2 30. Qe2 Rd8 (30... Qxe2 $142 31. Rxe2 Nd4) 31. Qxd2 $18 Rxd2 32. Bc3 Ra2 (32... Rd8 $142 33. Bxf5 gxf5 34. Bxe5 Re8) 33. Ra1 Rxa1+ 34. Bxa1 {Threatens to win with Bxf5. KBB-KBN} Nd4 35. a4 {[%cal Ba3a4,Ba4a5,Ba5a6][%mdl 32]} f5 36. Bd5+ Kf8 37. Bxd4 {White mates.} exd4 38. a5 c6 {[#]} 39. a6 $1 {Weighted Error Value: White=0.05/Black=0.49} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.30"]
[Round "9.3"]
[White "Michailov, Matias"]
[Black "Granara Barreto, Sebastian"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2262"]
[BlackElo "2156"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,45,37,45,51,8,101,84,84,61,86,50,62,72,71,72,60,75,76,57,125,122,125,121,253,168,170,178,175,179,191,169,214,186,198,214,185,149,141,142,190,183,170,170,143,122,205,99,228,227,230,192,156,154,222,214,245,241,281,273,266,248,250,250,265,265,281,281,338,331,475,463,506,316]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 c5 5. dxc5 Nc6 6. Bb5 {B12: Caro-Kann: Advance Variation.} Qc7 {6...Bd7 injects fresh life into this line.} 7. Be3 {[#]} (7. Bf4 {seems wilder.} e6 8. b4 Nh6 9. Nf3 Be7 10. Nc3) 7... O-O-O $146 (7... e6 $11 {keeps the balance.}) ({Predecessor:} 7... e6 8. Nf3 Bg4 9. c4 Nge7 10. Nbd2 O-O-O 11. Qa4 d4 12. Bf4 Kb8 13. Bxc6 Nxc6 {1-0 (32) Sorcinelli,A (2106)-Sukhorskij,V (2122) LSS email 2012}) 8. Bxc6 $16 {White is better.} Qxc6 9. Qd4 Nh6 10. Nc3 Ng4 11. b4 Nxe3 12. fxe3 e6 13. Nf3 b6 {[%cal Rb6c5]} 14. cxb6 axb6 ({Black should play} 14... Qxb6 $14 15. a3 Kb7) 15. O-O Qc4 16. a3 ({And not} 16. Qxb6 Qxc3 17. Nd4 Qc7 $15) 16... Kb7 (16... Qxd4 $16 17. Nxd4 Bg6) 17. e4 Bg6 18. exd5 Qxd4+ 19. Nxd4 exd5 20. Rad1 Rd7 21. Nf5 Bxf5 22. Rxf5 g6 23. Rf3 Bg7 24. Rxd5 Rhd8 {[#]} 25. Rxf7 $3 {[%mdl 576] Deflection} Rxf7 26. Rxd8 {Black must now prevent Re8.} Bxe5 $18 {[%mdl 4096] Endgame KRB-KRN} 27. Nb5 Kc6 {[#]} (27... Rf4 $16) 28. Nd4+ (28. c4 $1 $18) 28... Kc7 {[#]} (28... Kb7 $16) 29. Ne6+ $1 Kc6 30. Rd3 {aiming for Nd8+.} Re7 31. Nd4+ Kc7 (31... Bxd4+ $16 32. Rxd4 Ra7) 32. Kf2 Bf6 33. g3 g5 34. Nb5+ Kb7 35. hxg5 Bxg5 36. c4 Rf7+ 37. Kg2 {Strongly threatening Nd6+.} Re7 38. Kf3 Bc1 39. Rd6 Rf7+ (39... Bb2 {was worth a try.} 40. c5 bxc5 41. bxc5 Be5) 40. Ke4 Rg7 41. Rd3 {Weighted Error Value: White=0.12/Black=0.31} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.30"]
[Round "9.5"]
[White "Vazquez, Facundo"]
[Black "Ulaneo, Nicolas"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2163"]
[BlackElo "2164"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,53,36,31,14,19,6,35,16,22,10,29,12,22,10,12,3,4,6,11,12,12,12,12,23,30,32,51,50,51,51,51,51,51,50,54,50,46,48,57,8,12,20]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c6 6. O-O d5 7. Nc3 Be7 8. Ne5 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} Nfd7 9. Nxd7 Qxd7 10. b3 {White is slightly better.} O-O 11. Bb2 {[#]} f5 $146 ({Predecessor:} 11... Rd8 12. e4 dxc4 13. bxc4 Ba6 14. Qb3 Qxd4 15. Nd5 Qc5 16. Qc3 f6 17. Nc7 Qxc4 18. Qxc4 Bxc4 {½-½ (54) Pedersen,N (2177)-Nielsen,L (2260) Denmark 2013}) 12. Qd3 Na6 {[%cal Bb8a6,Ba6c7,Bc7e8,Be8d6,Bd6e4][%mdl 32]} 13. a3 Nc7 14. Rad1 Ne8 15. Rfe1 Ba6 16. Na2 Nd6 {[%cal Rd5c4]} 17. Nb4 Bb7 18. Qc2 Rac8 19. Nd3 Qe8 20. c5 Ne4 21. f3 Nf6 22. e4 fxe4 23. fxe4 Nxe4 24. Bxe4 dxe4 25. Rxe4 Qg6 26. Qe2 {aiming for d5.} Ba6 27. Rxe6 {Weighted Error Value: White=0.08/Black=0.04} 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.11.30"]
[Round "9.6"]
[White "Roselli Mailhe, Bernardo"]
[Black "Hoffman, Alejandro"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2428"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,15,7,10,2,13,-13]} 1. d4 d5 2. Nf3 c6 3. e3 Nf6 4. c4 Bg4 5. Nc3 e6 6. Bd3 Nbd7 7. O-O {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Bd6 8. cxd5 {[#] A rather calm draw. Not enough moves} {Predecessor:} exd5 $146 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 O-O 12. Re1 Re8 13. h3 Bh5 14. Bd2 Nf6 {½-½ (56) Suleymanli,S (1714)-Lu,M Batumi 2016} 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.12.01"]
[Round "10.1"]
[White "Rodi, Luis Ernesto"]
[Black "Hoffman, Alejandro"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2358"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,145,54,53,64,60,57,75,64,54,43,45,35,36,0,0,14,43,43,43,43,42,36,84,71,83,79,90,90,86,72,83,60,59,50,54,61,79,74,74,53,114,46,51,56,56,8,74,67,71,71,70,55,80,62,73,40,66,66,66,66,141,107,101,105,160,160,157,158,157,161,254,250,270,265,552,238,235,198,201,186,194,181,234,234,234,234,325,325,303,277,270,270,206,125,125,125,133,133,133,125,439,437,398,339,29958,29961,29961,29962,29963,29964,29964,29964,29965,29966,29965,29965,29966,29968,29968,29969,29969,29970,29970,29971,29975,29971,29975,29974,29977,29978,29978,29978,29974,29975,29974,29974,29979,29980]} 1. e4 c5 2. Nc3 g6 3. d4 Bg7 4. dxc5 Bxc3+ 5. bxc3 Qa5 6. Qd4 {B06: Modern Defence.} Nf6 7. Qb4 Qc7 {7...Qc7 scores better than 7...Nc6.} 8. Bd3 {White is better.} Na6 9. Bxa6 bxa6 {[#]} 10. Rb1 $146 ({Predecessor:} 10. Ne2 a5 11. Qd4 e5 12. Bf4 exf4 13. Qxf6 O-O 14. h4 Re8 15. h5 Qe5 16. Qxe5 Rxe5 17. hxg6 hxg6 {½-½ (35) Avila Pavas,S (2406)-Soto,M (2283) Mumbai 2019}) 10... O-O 11. Ne2 a5 12. Qd4 Ba6 (12... e5 $5 {[%cal Re5d4]} 13. Qd6 Qxd6 14. cxd6 Ba6 $11) 13. e5 $36 {[%mdl 2048] Black is under pressure.} Nh5 14. Nf4 $1 Nxf4 15. Bxf4 Qc6 16. f3 $1 Rac8 17. Be3 $1 Qe6 18. Kf2 Rc7 19. Rb3 Rfc8 20. Qe4 Bc4 21. Ra3 Bd5 22. Qf4 Rb8 23. Rxa5 Rb2 24. Rc1 Bxa2 {[#]} (24... Rcb7 $14) 25. Kg1 (25. Ra6 $3 $16 {[%mdl 512]} Qxa6 (25... Rc6 26. Rxa7) 26. e6 Qxe6 27. Qxc7) 25... Bd5 26. Bd4 {Strongly threatening c4!} Bc6 27. Rca1 Rbb7 (27... Rcb7 $11 {keeps the balance.}) 28. h4 h5 29. Kh2 Kh7 30. R5a3 Bd5 31. Ra6 Bc6 32. R1a3 Qf5 33. Qxf5 gxf5 34. Rb3 f4 (34... Bb5 $14 35. Ra5 Bc4) 35. e6 fxe6 36. Be5 Rxb3 (36... Bd5 $142) 37. cxb3 $16 {[%mdl 4096] Endgame KRB-KRB} Rb7 38. b4 ({Don't play} 38. Bxf4 $6 Rxb3 39. Bg5 Rxc3 $11) 38... Kg6 39. Bxf4 Kf5 (39... Kf6 {keeps fighting.} 40. Kh3 Kg6) 40. Bg5 $18 Bb5 41. Ra5 {aiming for c4.} a6 $2 (41... Kg6 {might work better.} 42. Bxe7 Be2) 42. Bxe7 (42. c6 $142 dxc6 43. c4 {[%mdl 64] Pin}) 42... e5 43. Ra1 Rb8 44. Rd1 Re8 45. Bg5 Bc6 (45... e4 {was called for.} 46. g4+ hxg4) 46. Kh3 Kg6 47. Rd6+ Re6 48. Rxe6+ dxe6 {KB-KB} 49. Kg3 Kf5 {[#]} 50. Kf2 $1 e4 51. Ke3 exf3 52. gxf3 e5 53. c4 Be8 54. f4 e4 $2 {[%mdl 8192] Black cannot hold the game after this.} (54... Ba4 $16 {is more resistant.} 55. fxe5 Kxe5) 55. Kd4 Bc6 {[#]} 56. Bh6 $1 Ke6 $2 (56... Kg6 $18) 57. b5 {White mates.} axb5 58. cxb5 Bxb5 59. Kxe4 Bc6+ 60. Kd4 Bb5 61. Kc3 Kd5 62. Bf8 Bd7 63. Kb4 Be8 64. Ka5 Kc6 65. f5 Bd7 66. f6 Be8 67. Bd6 Bg6 68. Ka6 Be8 69. Ka7 Bf7 70. Ka8 Bd5 71. Kb8 Kd7 72. Be5 Kc6 73. Kc8 {Weighted Error Value: White=0.14/Black=0.42} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.12.01"]
[Round "10.2"]
[White "Ulaneo, Nicolas"]
[Black "Roselli Mailhe, Bernardo"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2164"]
[BlackElo "2428"]
[Annotator "TA"]
[PlyCount "20"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,18,-3,-10,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd7 8. Nc3 O-O-O 9. Be3 c5 {[#] An uneventful encounter. C68: Ruy Lopez: Exchange Variation, sidelines.} {Predecessor:} 10. Nde2 $146 b6 {½-½ (10) Gomez Garrido,C (2553)-Alvarez Pedraza,A (2464) Varadero 2016} 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.12.01"]
[Round "10.4"]
[White "Granara Barreto, Sebastian"]
[Black "Larrea, Manuel"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2156"]
[BlackElo "2222"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,83,-6,-11,14,14,14,14,14,14,42,14,16,2,58,13,19,0,0,0,0,0,15,17,33,20,43,48,55,49,42,40,33,15,54,48,71,70,154,157,220,193,204,223,220,214,209,192,229,210,354,358,349,362,358,343,529,503,2476,1790,5369,5357,5281,5280]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. e5 Nd5 7. Nc3 {[%cal Bb1c3,Bc3e4,Be4f6][%mdl 32]} Nc7 8. Bxc6 dxc6 9. Ne4 b6 10. Nf6+ Kf8 11. Ne4 Bg4 12. d3 Ne6 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} 13. Neg5 Nxg5 14. Bxg5 h6 {The position is equal.} 15. Bd2 Qd5 {[#]} 16. Bc3 $146 (16. Re4 $5 {[%cal Re4g4]} Bf5 17. Re1 $11) ({Predecessor:} 16. Re4 Bf5 17. Ra4 b5 18. Ra5 Bg4 19. a4 a6 20. Bc3 Bxf3 21. Qxf3 Qxf3 22. gxf3 {1-0 (69) Naiditsch,A (2721)-Roganovic,M (2527) Batumi 2018}) 16... Rd8 17. a4 g5 (17... e6 $11) 18. Qe2 h5 19. Qe3 (19. b3 {looks sharper.} Rh6 20. Rad1 Bxf3 21. gxf3 Qe6 22. a5) 19... Bxf3 20. Qxf3 Qxf3 21. gxf3 Rh6 22. Re4 Rd5 23. Rae1 Re6 24. b3 Kg8 25. Kg2 Kh7 26. h4 Rg6 27. Kh3 Rd8 28. f4 g4+ 29. Kg3 e6 {[#]} ({Better is} 29... Bh6 $1 $14) 30. f5 $1 $36 {[%cal Rf5g6][%mdl 2048] Black is under strong pressure.} exf5 (30... Rh6 $16) 31. Rf4 $18 Re6 {White must now prevent ...Kg6.} 32. Rxf5 {[%mdl 64] Double Attack} Kg6 33. Rg5+ Kh6 34. Bd2 Rd5 35. Bf4 Kh7 (35... Rd4 $142 36. Bd2 Rd5) 36. Rxh5+ Kg8 37. Re4 ({Resist} 37. Kxg4 f6) 37... b5 38. Kxg4 f6 (38... Re7 $142 39. Rg5 Rd4) 39. exf6 {White is clearly winning.} Rxe4 (39... Rxf6 $142 40. Rg5 Rd7 41. Rxc5 a6) 40. dxe4 Rxh5 41. Kxh5 Bxf6 42. e5 {Weighted Error Value: White=0.06/Black=0.32} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.12.01"]
[Round "10.5"]
[White "Carbone, Diego"]
[Black "Michailov, Matias"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2236"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,87,0,-19,-19,-15,31,37,42,47,85,76,84,72,91,83,71,29,59,0,0,0,60,66,31,15,20,0,0,0,35,-19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,59,53,38,53,43,8,8,8,12,8,8,8,10,11,11,12,12,12,19,20,67,67,74,74,74,74,74,46,67,54,414,414]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. e4 O-O 6. e5 dxe5 {6...Nfd7 is more advanced technology. E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} 7. dxe5 Nfd7 (7... Ng4 {is interesting.} 8. a3 Bc5 9. Ne4 Bd4 10. Nf3 Nxe5 11. Nxd4 Qxd4 12. Bf4 Rd8) 8. Nf3 h6 {White is slightly better.} 9. Bf4 {[#]} Nc5 $146 ({Predecessor:} 9... Nc6 10. O-O-O Bxc3 11. Qxc3 Qe7 12. Bd3 Nc5 13. Bc2 a5 14. Nd4 Nb4 15. Bb1 b5 16. cxb5 {1-0 (23) Vallejo Pons,F (2695)-Miton,K (2588) St Petersburg 2018}) 10. Rd1 Qe7 11. a3 Bxc3+ 12. Qxc3 a5 13. h4 b6 14. h5 (14. Qe3 $14) 14... Bb7 15. Rh3 Rd8 (15... Nc6 $11) 16. Rxd8+ $14 Qxd8 17. Qe3 {[#] And now Bxh6! would win.} Kh7 18. Be2 Nc6 {[%cal Bb8c6,Bc6e7,Be7f5][%mdl 32]} 19. g4 Ne7 20. Nh4 (20. Nd4 $14) 20... Qd7 21. g5 hxg5 22. Bxg5 Nf5 $1 {[%cal Rf5e3]} 23. Bd3 Nxd3+ 24. Qxd3 Qxd3 25. Rxd3 Nxh4 26. Bxh4 $11 {[%mdl 4096] Endgame KRB-KRB} Kh6 27. Rd7 (27. Rd8 {looks sharper.} a4 28. Rd7 Rc8 29. Rxf7 Kxh5 30. Bg3) 27... Kxh5 28. Rxc7 Kxh4 (28... Be4 $11 29. Rxf7 Rc8) 29. Rxb7 {KR-KR} Rc8 30. b3 a4 31. Rxb6 axb3 32. Rxb3 Kg4 33. Rg3+ Kf4 34. Rxg7 Rxc4 35. Rxf7+ Kxe5 36. Kd2 Ra4 37. Rf3 Ke4 38. Rh3 {[#] Black must now prevent Rh4+.} (38. Rb3 {is more complex.} Kd5 39. Rd3+ Kc5 40. Kc2 Rf4 41. Rc3+) 38... Ra7 39. a4 Kd4 40. Ra3 Ra5 41. Ke2 Ke4 42. Rh3 Kd4 43. Rh4+ Kc3 $2 {[%mdl 8192]} (43... Kd5 $1 $14) 44. Ke3 {Weighted Error Value: White=0.09/Black=0.30} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.12.01"]
[Round "10.6"]
[White "Coppola, Claudio"]
[Black "Diaz Hollemaert, Nahuel"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2248"]
[BlackElo "2441"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,136,18,31,24,39,12,8,8,19,18,41,37,79,20,42,27,19,18,29,-22,-10,-22,-24,-39,-43,-47,-34,-43,-9,-19,-19,-33,-24,-29,-23,-40,-29,-37,-4,-11,-5,-4,-4,-7,0,0,0,0,0,-8,-8,-8,-8,-8,-14,-45,-21,-52,-52,-52,-52,-59,-43,-609,-609,-558,-312,-312,-313,-313,-311,-372,-273,-263,-201,-312,-312,-312,-312,-312,-312,-308,-289,-312,-312,-312,-312,-312,-312,-312,-312,-312,-312,-312,-311,-304,-304,-304,-304,-303,-302,-295,-295,-285,-275,-283,-229,-2035,-920,-2737,-1461,-29967,-12119,-29969,-29965,-29971,-29972,-29972,-29973,-29973,-29974,-29977,-29973,-29984,-29977,-29976,-29978,-29978,-29978]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 b6 6. O-O {E01: Catalan: Early deviations.} Bb7 7. Bf4 Be7 8. Nc3 {The position is equal.} O-O 9. Rc1 Na6 10. Ne5 Nd7 11. cxd5 (11. e4 $1 $16) 11... cxd5 12. Qa4 Nxe5 13. Bxe5 {[#]} Nb4 $146 ({Predecessor:} 13... f6 14. Bf4 Bd6 15. Bxd6 Qxd6 16. e4 dxe4 17. Nxe4 Qe7 18. Rfd1 Nb4 19. h4 a5 {1-0 (66) Pogosyan,S (2442)-Siniauski,A (2275) Lichess.org INT 2020}) 14. Nb1 {[#]} (14. a3 $142 Nc6 15. Nxd5 exd5 16. Rxc6 Bxc6 17. Qxc6) 14... Bc6 $1 15. Qb3 {Threatens to win with a3.} (15. Qd1 $5 {[%cal Ra2a3]} Qd7 16. Nc3 $11) 15... Qd7 16. a3 {[#]} Ba4 $1 17. Qe3 Nc6 18. Nc3 Nxe5 19. Qxe5 Bb3 20. Qe3 Rac8 21. Nb1 Bc2 22. Nc3 Bg6 23. Qd2 Rc7 24. Na2 Rfc8 {Hoping for ...Rc2.} 25. Rxc7 Rxc7 26. Rc1 h5 27. h4 Rxc1+ 28. Nxc1 Qa4 29. Bf3 b5 {White should prevent ...b4.} 30. e3 b4 31. Bd1 Qc6 32. a4 Bd6 33. Bb3 Be4 $36 {[%mdl 2048] White is under pressure.} 34. Kh2 g6 35. Nd3 Qa6 36. Ne1 {[%mdl 8192] White does not recover from this.} (36. Bc2 $15) 36... Qf1 $19 {[%csl Ge4][%cal Rf1h1]} 37. f3 Bxf3 38. Nxf3 Qxf3 39. Qe1 Qe4 40. Kh3 Qd3 41. Bd1 b3 42. Qe2 (42. Kg2 $142) 42... Qe4 $1 {[%cal Re4h1] White must now prevent ...Qh1+.} 43. Qf3 Qxf3 44. Bxf3 {[%mdl 4096] Endgame [#] KB-KB} Ba3 $1 {[%mdl 512]} 45. Bd1 Bxb2 46. Bxb3 Bc1 47. e4 dxe4 48. d5 e5 49. d6 {White wants to mate with d7.} Ba3 50. d7 Be7 51. Bd5 e3 52. Kg2 Bd8 $1 53. Kf3 Bb6 54. Bc4 Kf8 55. Ke4 {[#]} f6 56. Kf3 Ke7 57. Bd3 {[#]} f5 $1 {aiming for ...e4+.} ({Weaker is} 57... Kxd7 58. Bxg6 Ke6 59. Bxh5 $15) 58. Bc4 $2 (58. Bb5) 58... e4+ (58... Kxd7 $142 59. Ke2 e4) 59. Ke2 Kxd7 60. Bf7 Bc7 61. Bxg6 Ke6 {Black mates.} 62. Bxh5 Bxg3 63. Kxe3 Ke5 64. Be8 Bxh4 65. Bg6 Bd8 66. Bh7 Bb6+ 67. Ke2 f4 68. Bg6 f3+ {Weighted Error Value: White=0.55/Black=0.18} 0-1

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.12.02"]
[Round "11.1"]
[White "Diaz Hollemaert, Nahuel"]
[Black "Rodi, Luis Ernesto"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2441"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,57,-1,-9,1,-7,-5,7,8,3,8,37,10,28,19,56,44,60,38,372,373,429,418,407,344,338,294,292,295,482,475,744,530,1021,1004,1162,1065,2162,1362,1378,1469,1426,1348,1956,1773,29989,29990,29990,1629]} 1. c4 e5 {[%cal Be7e5,Be5e4][%mdl 32]} 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Nd5 e4 6. Nxb4 Nxb4 7. a3 {A28: English Opening: Four Knights Variation.} Nc6 8. Ng1 {[%cal Bf3g1,Bg1e2,Be2f4][%mdl 32]} d5 9. cxd5 {The position is equal.} Qxd5 10. d4 {[#] Prevents Ne5.} Na5 $146 ({Predecessor:} 10... O-O 11. Ne2 Qg5 12. Nf4 Ne7 13. h4 Qf5 14. Be2 Nfd5 15. g3 Nxf4 16. gxf4 Qg6 {0-1 (28) Maier,C (2360)-Gajewski,G (2653) Achaia 2013}) 11. b4 Nc4 12. Ne2 {Strongly threatening Nf4.} Nd6 13. Nf4 Qf5 14. Bb2 Nd5 $2 {[%mdl 8192] Black cannot hold the game after this.} (14... c6 $14) 15. g4 $1 $18 Qg5 16. h4 Nxe3 17. fxe3 ({Don't take} 17. hxg5 Nxd1 18. Rxd1 Bxg4 $18) 17... Qxg4 18. Qxg4 Bxg4 19. d5 Bf3 $2 (19... Nf5 20. Kf2 O-O-O) 20. Rg1 Nf5 (20... Rg8 $142 21. Kf2 (21. Bxg7 Nf5 $16) 21... g6) 21. Kf2 {[%cal Be1f2,Bf2g3,Bg3h4][%mdl 32]} Nxh4 22. Rxg7 h6 23. Bh3 Ke7 24. Kg3 Rhg8 25. Kxh4 {[#] Intending Ng6+ and mate.} Rxg7 26. Bxg7 Rg8 27. Rg1 Ke8 28. d6 cxd6 {[#]} 29. Nd5 {Weighted Error Value: White=0.21 (precise) /Black=1.20} (29. Rc1 $142 $1 d5 30. Rc8+ Ke7 31. Rxg8 Kd6 32. Rd8+ Kc6 33. Rc8+ Kd6 34. Bf8+ Ke5 35. Rd8 Kf6 36. Rd6+ Ke5 37. Rxd5+ Kf6 38. Rf5#) 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.12.02"]
[Round "11.3"]
[White "Larrea, Manuel"]
[Black "Carbone, Diego"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2222"]
[BlackElo "2236"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,54,6,1,-12,-14,-13,-24,-18,0,0,0,0,0,0,0,0,0,0,0,-18,-3,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-3,-4,-6,0,-5,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nbd2 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Bxd2+ 8. Bxd2 Nxe4 9. d5 {Black has an edge.} Nxd2 {The position is equal.} 10. Qxd2 ({Much weaker is} 10. Nxd2 Qe7+ 11. Qe2 Qxe2+ 12. Kxe2 Ne5 $15) 10... Ne7 11. d6 cxd6 {[%cal Od6d5]} 12. O-O d5 13. Bxd5 O-O 14. Rad1 d6 15. Rfe1 Nxd5 16. Qxd5 {[#]} Qb6 $146 ({Predecessor:} 16... Bg4 17. h3 Bxf3 18. Qxf3 Qb6 19. Re7 Qxb2 20. a3 b6 21. Rxd6 Rae8 22. Rxe8 Rxe8 23. Rd7 Qa1+ 24. Kh2 Qe5+ 25. g3 Re7 26. Qa8+ Re8 27. Rxa7 Qe6 {½-½ (27) Pintor,M (2178)-Hrubaru,M (1986) LSS email 2009}) 17. Qxd6 Qxd6 18. Rxd6 Be6 19. b3 Rfd8 20. Rd4 Kf8 21. Red1 Rxd4 22. Nxd4 $11 {[%mdl 4096] Endgame KRB-KRN} Ke7 23. f3 Bd7 24. Kf2 Rc8 25. Ke3 Rc3+ 26. Kd2 Rc8 27. Ke3 Rc3+ {An even fight not without its subleties.  Weighted Error Value: White=0.02 (flawless) /Black=0.01 (flawless)} 1/2-1/2

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.12.02"]
[Round "11.4"]
[White "Vazquez, Facundo"]
[Black "Granara Barreto, Sebastian"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2163"]
[BlackElo "2156"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,75,37,7,72,80,100,102,99,106,110,112,70,71,67,64,133,-14,20,18,18,12,20,18,20,0,20,-10,-5,-9,-17,-13,0,0,12,25,21,20,38,37,64,78,67,73,114,104,81,81,152,149,602,595,582,573,591,510,555,408,625,544,644,584,578,578,581,578,560,561]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 a6 5. Nf3 Bg4 6. Qb3 Ra7 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} (6... b5 $1 $11) 7. Ne5 $16 Bf5 8. cxd5 cxd5 {White is better.} 9. Bd2 e6 10. Rc1 {White is more active.} Nbd7 {[#]} 11. Nxd7 $146 ({Predecessor:} 11. Bb5 Bd6 12. Bxd7+ Nxd7 13. Nxd7 Qxd7 14. Na4 Bc7 15. Nb6 Qd8 16. Qa4+ Ke7 17. Ba5 Bxb6 {½-½ (64) Kuljasevic,D (2578)-Bosiocic,M (2548) Porec 2014}) 11... Nxd7 12. Bb5 Bd6 ({Black should play} 12... b6 $14) 13. Qa4 (13. Bxd7+ $16 Kxd7 14. Na4) 13... Ra8 14. Bxd7+ Qxd7 15. Qxd7+ Kxd7 16. Na4 {And now Nb6+ would win.} Ke7 17. Nb6 Rab8 18. a3 Bd3 19. Bb4 Bxb4+ 20. axb4 Bb5 21. Rc7+ Kf6 22. Kd2 Rhd8 23. b3 {[%cal Bb2b3,Bb3a4,Ba4a5,Ba5a6][%mdl 32]} Rd6 24. Na4 Bxa4 25. bxa4 $14 {[%mdl 4096] Endgame KRR-KRR} Rb6 26. Rb1 Rc6 (26... g5 $142) 27. Rc1 $16 Rb6 {[#]} 28. Kc3 Rd8 ({Black should try} 28... Rc6+ 29. Kb2 Rxc1 30. Kxc1 b5) 29. Kb3 Rdd6 $2 {[%mdl 8192] A mistake that costs the game.} (29... Re8 $16 30. Rd7 Re7 31. Rxe7 Kxe7) 30. a5 $18 Rb5 31. R1c5 b6 32. Rxb5 axb5 {KR-KR} 33. a6 h5 (33... Rd8 $142 34. a7 h5) 34. Rb7 {[#] a7 is the strong threat. White is clearly winning.} Rd8 35. Rxb6 Ra8 36. Rxb5 Rxa6 37. Ra5 {Inhibits Ra1.} Rb6 38. b5 {Weighted Error Value: White=0.20 (precise) /Black=0.56} 1-0

[Event "Uruguayan-ch Final 2021"]
[Site "Montevideo"]
[Date "2021.12.02"]
[Round "11.6"]
[White "Hoffman, Alejandro"]
[Black "Ulaneo, Nicolas"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "2440"]
[BlackElo "2164"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2021.11.22"]
[EventType "tourn"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,18,4,19,12,33]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nge2 dxc4 7. Bxc4 e5 8. O-O Nc6 9. a3 {E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3.} Bd6 {[#] Not much happened in this game. Not enough moves} {Predecessor:} 10. d5 $146 Ne7 11. Ng3 Nf5 12. e4 Nxg3 13. hxg3 Bc5 14. Qe1 Qe7 15. Be3 Bd4 16. Bxd4 exd4 {½-½ (29) Tregubov,P (2608)-Khenkin,I (2617) Belgium 2014} 1/2-1/2

