[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.12"]
[Round "1.1"]
[White "Camacho Collados, Marcos"]
[Black "Fernandez Cardoso, Alexey"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "2409"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,50,12,87,76,89,84,77,79,104,102,107,84,82,36,60,36,50,56,60,66,69,28,46,31,34,26,41,3,20]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 Bg7 11. g3 f5 12. Bg2 O-O {[#]} (12... fxe4 $11 13. Bxe4 Be6) 13. exf5 $1 $16 {B33: Sicilian: Pelikan and Sveshnikov Variations.} e4 14. f6 ({Much weaker is} 14. Bxe4 $6 Bxb2 15. O-O Re8 $11) 14... Bxf6 15. c3 {White is better.} Bg7 16. O-O f5 {[#]} 17. Nc2 $146 ({Predecessor:} 17. f3 exf3 18. Qxf3 Rb8 19. Nc2 Kh8 20. Rae1 a5 21. Qh5 b4 22. cxb4 axb4 23. b3 {0-1 (47) Motylev,A (2649)-Hamdouchi,H (2544) Tripoli 2004}) 17... Ne5 18. Nf4 {[#] Threatens to win with Qd5+.} Ra7 19. Nb4 Kh8 20. Nbd5 Nc4 21. Qe2 Nb6 22. Qe3 Rb7 23. Rad1 Nxd5 24. Nxd5 Be6 25. a3 Bxd5 {Accuracy: White = 71%, Black = 90%.} 1/2-1/2

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.12"]
[Round "1.2"]
[White "Della Morte, Pablo"]
[Black "Garcia Almaguer, Juan Manuel"]
[Result "*"]
[ECO "C50"]
[WhiteElo "2273"]
[BlackElo "2204"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,45,25,25,13,29,23,18,15,14,16,27,18,17,14,24,0,31,17,35,19,23,19,54,45,47,63,76,48,58,11,24,6,29,9,0,-2]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O a6 6. c3 Ba7 7. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32] 7.a4 is the modern continuation. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} d6 8. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} O-O 9. h3 h6 10. Re1 Re8 11. Nf1 Be6 12. Bxe6 Rxe6 13. a5 {[#]} Ne7 $146 ({Predecessor:} 13... d5 14. Qb3 Rb8 15. Ng3 Qd7 16. Be3 Bxe3 17. Rxe3 dxe4 18. Nxe4 Nxe4 19. dxe4 Rd6 {1-0 (46) Malakhov,V (2693)-Georgiev,K (2613) Sibenik 2016}) 14. Ng3 Ng6 15. Qb3 Rb8 16. d4 b5 17. axb6 Bxb6 18. Qc2 Qc8 19. Be3 Qb7 20. d5 Ree8 21. Bxb6 Qxb6 22. b4 c6 $1 23. Qd2 {Accuracy: White = 88%, Black = 81%.} *

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.12"]
[Round "1.3"]
[White "Tello Chavez, Isaac Valent"]
[Black "Medina Diaz, Rafael Alejandro"]
[Result "*"]
[ECO "D00"]
[WhiteElo "2270"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,38,-4,6,6,33,6,6,6,10,0,13,-9,16,-18,5,0,0,0,0,0,38,31,44,35,21,14,23,2,9]} 1. d4 d5 2. Bf4 Nf6 3. e3 g6 4. Nf3 Bg7 5. Be2 O-O 6. Nbd2 c5 7. c3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Nc6 8. O-O b6 9. Ne5 Bb7 10. Bg3 Nxe5 11. Bxe5 {[#]} Rc8 $146 ({Predecessor:} 11... Nd7 12. Bxg7 Kxg7 13. Rc1 e5 14. dxe5 Nxe5 15. Nf3 Qf6 16. Nxe5 Qxe5 17. Bf3 Rfd8 {1-0 (37) Karlik,V (2320)-Klicnar,M (2230) Nachod 2000}) 12. h3 a6 13. a4 Nd7 14. Bxg7 Kxg7 15. f4 f6 16. f5 gxf5 17. Rxf5 e6 18. Rf4 f5 19. Qf1 a5 {Accuracy: White = 80%, Black = 76%.} *

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.12"]
[Round "1.4"]
[White "Garcia Guerrero, Isaac Antonio"]
[Black "Guerrero Rodriguez, Alejandra"]
[Result "*"]
[ECO "A46"]
[WhiteElo "2271"]
[BlackElo "2088"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,36,5,0,-24,-17,-14,-10,-27,54,59,57,55,72,72,105,105,109,109,182,167,202,215,404]} 1. d4 e6 2. Nf3 Nf6 3. Bg5 d5 4. Nbd2 h6 5. Bh4 c5 6. e3 Nc6 7. c3 Be7 8. Bd3 O-O {8...b6 is the hot move.} 9. Ne5 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} Nxe5 10. dxe5 Nd7 11. Bg3 {The position is equal.} f6 (11... Qc7 $11) 12. exf6 $14 Bxf6 13. O-O {[#]} Ne5 $146 ({Predecessor:} 13... e5 14. Qh5 Rf7 15. Bh7+ Kxh7 16. Qxf7 Nf8 17. f4 e4 18. f5 Bd7 19. Rad1 Qb6 20. Qxd5 {1-0 (36) Liew,C (2355)-Schmidt,L (2260) Kuala Lumpur 1990}) 14. Bc2 Bd7 15. f4 Nc6 16. e4 Qb6 {[#]} (16... c4 $16) 17. e5 $1 $18 {[%cal Re5f6]} Be7 18. Nc4 $1 {[%cal Rc4b6]} Qc7 $2 {Black did not feel at home in the position after the opening. Accuracy: White = 100%, Black = 37%.} (18... Qd8 {was necessary.}) *

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.12"]
[Round "1.5"]
[White "Dominguez Aguilar, Guillermo"]
[Black "Cofre Archibold, Nestor"]
[Result "*"]
[ECO "B23"]
[WhiteElo "2321"]
[BlackElo "2304"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,31,0,0,-10,0,0,0,0,0,0,11,-25,-29,-16,0,-8,30,27,78,29,37,-25,0,-5]} 1. e4 c5 2. Nc3 e6 3. f4 d5 4. Bb5+ Nc6 5. Bxc6+ (5. Nf3 Nf6 6. e5 Nd7 7. Bxc6 bxc6 8. d3 Be7 9. O-O O-O 10. Ne2 Ba6 11. Kh1 Qc7 12. Re1 Rab8 13. Ng3 g6 14. b3 c4 15. dxc4 dxc4 16. Bd2 Rfd8 17. Qc1 c5 18. Bc3 Nb6 19. Ne4 Nd5 20. Bb2 Rb6 21. Nfg5 {0-1 (21) Dominguez Aguilar,G (2346)-Cofre Archibold,N (2304) Mexico City 2017}) 5... bxc6 6. d3 {B23: Closed Sicilian: Lines without g3.} Nf6 7. Nf3 Ba6 8. e5 Nd7 9. O-O Be7 10. Ne2 c4 11. d4 {[#]} h5 $146 ({Predecessor:} 11... O-O 12. c3 Rb8 13. Ng3 c5 14. Rf2 Rb7 15. Be3 Qc7 16. Qc2 cxd4 17. Bxd4 Nc5 18. Bxc5 Bxc5 {1-0 (29) Archer Lock,C (2011)-Freeland,A (1800) Aberystwyth 2014}) 12. c3 Nf8 13. Rf2 Bc8 (13... Rb8 $11) 14. Kh1 a5 15. Ne1 (15. b3 $14) 15... Rb8 16. Nc2 {Accuracy: White = 69%, Black = 70%.} *

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.13"]
[Round "2.1"]
[White "Fernandez Cardoso, Alexey"]
[Black "Cofre Archibold, Nestor"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2424"]
[BlackElo "2304"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,39,63,60,81,75,70,79,91,66,49,55,114,106,118,112,108,120,186,156,238,248,218,218,291,308,306,272,425,411,678,681]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. g3 b5 {B01: Scandinavian Defence.} 7. Bg2 Bb7 8. O-O e6 {White is better.} 9. Bf4 Qb6 10. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} b4 ({Black should play} 10... Bd6 $14) 11. a5 $16 Qa7 12. Bxc7 {Strongly threatening Bb6.} Nbd7 {[#]} ({Not} 12... bxc3 $2 13. Bb6 $18) 13. Na4 $1 $36 {[%mdl 2048] White is on the roll.} Nd5 {[#]} (13... Rc8 $16 {was worth a try.}) 14. Be5 $146 ({Predecessor:} 14. Bb6 N7xb6 15. axb6 Nxb6 16. Nxb6 Qxb6 17. c4 Be7 18. Ne5 Qc7 19. Qa4+ Kf8 20. Qd7 Qxd7 21. Nxd7+ {1-0 (37) Korneev,O (2543)-Galego,L (2498) Vila Nova de Gaia 2010}) 14... f6 (14... Rd8 $16 {was called for.} 15. c4 bxc3) 15. Bf4 $18 Nxf4 16. gxf4 {Hoping for Qe2.} Kf7 17. Re1 g6 18. c4 Bd6 (18... bxc3 $142 19. Nxc3 Rb8) 19. d5 ({Less strong is} 19. Qe2 Rhe8 $18) 19... exd5 {[#]} (19... e5 $142 20. Bh3 Bc8 21. Bxd7 Qxd7 22. Nxe5+ fxe5 23. fxe5 Bxe5) 20. Ng5+ $1 {[%mdl 512] Accuracy: White = 93%, Black = 41%.} 1-0

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.13"]
[Round "2.2"]
[White "Guerrero Rodriguez, Alejandra"]
[Black "Dominguez Aguilar, Guillermo"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2088"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,66,27,-8,-8,-25,0,-8,0,0,38,4,3,8,14,0,28,35,29,23,98,110,66,-45,-28,-37,-31,-131,-136,-135,-100,-111,-89,-92,-87,-93,-90,-87,-79,-129,-125,-131,-125,-194,-195,-195,-188,-190,-195,-29962,-29957,-29957,-29966,-29966,-29967,-29964,-29964,-6187,-5325]} 1. e4 c5 2. Nf3 Nc6 3. c3 e6 4. d4 d5 5. exd5 exd5 6. Be2 Nf6 {B22: Sicilian: 2 c3.} 7. h3 {[#]} Ne4 $146 ({Predecessor:} 7... Bf5 8. O-O Be7 9. Be3 c4 10. Nbd2 O-O 11. b3 cxb3 12. Nxb3 Ne4 13. Qc1 Rc8 {0-1 (58) Khamdamova,A-Vlasova,O (1397) Batumi 2016}) 8. Be3 cxd4 {The position is equal.} 9. Nxd4 Bd6 10. O-O O-O 11. Nd2 Nxd4 12. Bxd4 Bxh3 {And now ...Qg5! would win.} 13. Nxe4 dxe4 14. Bg4 (14. gxh3 Qg5+ 15. Bg4 h5 $15) 14... Bxg2 (14... Bxg4 $1 $11 {keeps the balance.} 15. Qxg4 {[%mdl 64] Double Attack} g6) 15. Kxg2 $16 f5 16. Qb3+ (16. Bh5 $1 $14) 16... Rf7 $1 $15 {White must now prevent ...Qg5.} 17. Qe6 ({Don't go for} 17. Rh1 $2 Qg5 $17) 17... fxg4 18. Rh1 ({Better is} 18. Rae1 $15) 18... Qe7 $17 19. Qxg4 Bf4 20. Rh5 b6 21. Rah1 {[#]} h6 $1 22. Rxh6 Bxh6 23. Rxh6 Qd7 24. Qxe4 Re8 25. Qh7+ Kf8 26. Rg6 (26. Rh3 $17 {was worth a try.}) 26... Qd5+ $19 27. Kf1 {[%cal Rg6g7] [#]} Qc4+ $1 ({Don't play} 27... Qxa2 28. Rxg7 Qe6 29. Be5 $17) 28. Kg2 {[%cal Rg6g7]} Re1 $40 {[%mdl 128] ( -> ...Qd5+). Black attacks with force.} 29. Bxg7+ $2 (29. Kh2 $19) 29... Ke8 30. Qh8+ Kd7 31. Qh3+ Kc7 32. Qg3+ Kb7 33. Kh2 Qe4 {Accuracy: White = 62%, Black = 79%.} 0-1

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.13"]
[Round "2.3"]
[White "Medina Diaz, Rafael Alejandro"]
[Black "Garcia Guerrero, Isaac Antonio"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2308"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,52,60,12,17,2,0,-33,27,0,0,0,-4,-60,-51,-27,0,0,-7,-10,14,23,33,22,12,18,59,68,53,55,91,86,97,66,64,68,81,58,49,9,25,0,0,0,0]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 g6 5. Nf3 Bg7 6. Be3 cxd4 {B06: Modern Defence.} 7. Na3 Nf6 8. Nb5 {[#] Hoping for Nc7+.} Na6 (8... O-O $15 9. Qxd4 Nc6) 9. Qxd4 O-O 10. Nxa7 Bg4 11. Ne5 (11. Be2 $11) 11... Be6 12. Nb5 Rfd8 13. Qxd5 Nxd5 14. Bd4 {[#]} f6 $146 ({Predecessor:} 14... Nf4 15. Nc4 Nxg2+ 16. Bxg2 Bxc4 17. Bxg7 Bxb5 18. Bd4 Nb4 19. O-O-O Nd3+ 20. Kb1 e5 {0-1 (57) Kun,G (2284)-Nagy,B (2358) Hungary 2019}) 15. Nc4 Bf7 16. Nb6 $36 {[%mdl 2048] Black is under pressure.} e5 17. Be3 $1 Nxe3 18. fxe3 Rab8 19. Bc4 Nc5 20. Ke2 Bxc4+ 21. Nxc4 Ra8 22. Rhd1 Rxd1 23. Rxd1 Rxa2 24. Kd2 Ra4 $1 25. b4 Ra2+ $1 26. Ke1 Ne4 {Accuracy: White = 68%, Black = 78%.} 1/2-1/2

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.13"]
[Round "2.4"]
[White "Garcia Almaguer, Juan Manuel"]
[Black "Tello Chavez, Isaac Valent"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2204"]
[BlackElo "2270"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,4,18,7,8,3,6,2,0,0,33,-17,-8,-35,-39,-47,-40,-35,-24,-54,-12,-22,-21,-68,-55,-80,-54,-82,-33,-128,-116,-145,-151,-147,-139,-160,-156,-206,-203,-229,-231,-234,-229,-333,-359,-347,-271,-396,-396,-395,-394,-422,-364,-556,-543,-522,-504,-569,-569,-625,-499,-817,-799,-1185,-1180,-1579,-1572,-1417,-1406,-2406,-2222,-29971,-9981,-29989,-29990,-29997]} 1. d4 d5 2. Nc3 Bf5 3. Bf4 c6 4. f3 e6 5. e3 Be7 6. Bd3 {D00: 1 d4 d5: Unusual lines.} Bg6 7. Nge2 Nd7 8. Qd2 {[#] The position is equal.} Ngf6 $146 ({Predecessor:} 8... b5 9. Bg3 Ngf6 10. Nf4 b4 11. Na4 O-O 12. O-O c5 13. dxc5 Nxc5 14. Nxc5 Bxc5 15. Bxg6 hxg6 {½-½ (61) Nunez Hirales,J (2016)-Tello Chavez,I (2274) Chihuahua City 2019}) 9. g4 c5 10. Nb5 {[#] Threatens to win with Nc7+.} O-O 11. Bc7 Qc8 {aiming for ...a6.} 12. Bg3 a6 13. Nbc3 b5 14. Nf4 cxd4 15. exd4 Bxd3 16. Qxd3 Bb4 17. g5 Ne8 18. O-O Bxc3 19. bxc3 {Black keeps a firm grip on the game.} (19. Qxc3 $15 Qxc3 20. bxc3) 19... Qc6 20. Rae1 Rc8 21. Ne2 Nb6 22. Bf4 Na4 23. Bd2 Nd6 24. f4 Ne4 25. Ng3 Naxc3 26. a4 (26. Bxc3 $142 Nxg3 27. hxg3 Qxc3 28. Re3 Qxc2 29. Qxc2 Rxc2 30. Ra3) 26... bxa4 $19 27. Bxc3 Nxg3 ({Less strong is} 27... Qxc3 28. Nxe4 dxe4 29. Rxe4 $19) 28. Rf3 (28. hxg3 {was called for.} Qxc3 29. Ra1) 28... Ne4 29. Bb4 Rfe8 30. c3 Qb5 31. Rxe4 (31. Qxb5 {might work better.} axb5 32. Kg2) 31... dxe4 32. Qxe4 Qd5 33. Qd3 a5 34. Ba3 Qc4 35. Qe4 (35. Bc5 $142 Qxd3 36. Rxd3) 35... Rb8 36. Rh3 g6 37. Qe1 Qa2 38. Bc1 Rb1 {...Qc2 is the strong threat.} 39. Rd3 Qc2 {[%mdl 64] Double Attack} 40. Rd1 Reb8 41. d5 {[#]} R8b2 $1 {[%csl Gb2][%cal Rc2g2][%mdl 64] Pin} 42. Qe2 {Accuracy: White = 33%, Black = 87%.} (42. Bxb2 Rxd1) 0-1

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.13"]
[Round "2.5"]
[White "Camacho Collados, Marcos"]
[Black "Della Morte, Pablo"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "2409"]
[BlackElo "2273"]
[Annotator "NA RC"]
[PlyCount "12"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. f4 c5 2. b3 Nf6 3. Bb2 e6 4. Nf3 Nc6 5. e3 b6 6. Be2 Bb7 1/2-1/2

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.14"]
[Round "5.1"]
[White "Tello Chavez, Isaac Valent"]
[Black "Fernandez Cardoso, Alexey"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2270"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "179"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,179,6,-1,23,11,7,10,16,-31,0,-3,0,0,0,0,0,0,11,-9,-16,-16,-8,-15,-20,-16,-18,-16,-29,-33,-12,-10,7,0,20,0,0,-25,-12,-22,-18,-37,-30,-75,-26,-45,-34,-74,8,-75,-68,-69,-79,-79,-55,-77,-63,-78,-45,-50,11,-77,-50,-61,-29,-37,0,-30,-25,-27,-11,-39,-23,-39,-39,-39,-43,-48,0,-41,-20,-42,-35,-23,8,-6,8,8,10,8,15,17,49,0,0,0,31,0,47,37,34,7,60,-49,-48,-52,-60,-52,-20,-32,-15,-66,0,-167,-52,-52,-52,-52,-52,-50,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-54,-8,-9,-8,-8,-8,-9,-8,-8,-8,-8,-8,-8,-8,-8,-8,-33,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-9,-9,-8,-8,0,0,0,0]} 1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 e5 5. d3 f5 6. Nf3 Nf6 7. O-O O-O 8. c5 h6 {A21: English Opening: 1...e5 2 Nc3.} 9. cxd6 cxd6 10. e4 Nc6 {[#]} 11. h3 $146 ({Predecessor:} 11. exf5 gxf5 12. d4 Kh7 13. dxe5 dxe5 14. Be3 Qxd1 {½-½ (14) Barczay,L (2350)-Somlai,L (2375) Zalakaros 1992}) 11... Kh7 (11... f4 $5) 12. a3 a6 13. Re1 g5 14. exf5 Bxf5 15. g4 Bg6 16. Be3 Kh8 17. Rc1 Rc8 18. b4 Bh7 19. d4 e4 20. Nd2 {[%cal Rd2e4]} d5 21. Nb3 Qe7 22. Nc5 Qf7 23. Rf1 Rce8 24. Ne2 Na7 25. Ng3 Nb5 26. a4 Nd6 27. Qe2 Bg6 28. b5 a5 29. Nb3 Nc4 30. Nd2 {[%cal Rd2c4]} Nb6 (30... Nxe3 $17 31. fxe3 Rc8) 31. Nb3 (31. f4 $1 $11) 31... Nxa4 $17 32. Nxa5 Nb6 33. Ra1 Qd7 34. Nb3 Nc4 35. Nc5 Qc8 ({Reject} 35... Qxb5 36. Rfb1 $11) 36. Rfc1 b6 (36... Re7 $15) 37. Nb3 (37. Na6 $1 $11 {keeps the balance.}) 37... Qd7 38. Nd2 Na5 ({Much worse is} 38... Qxb5 $6 39. Nxc4 dxc4 40. Qxc4 $14) 39. Bf1 Ng8 40. Ra2 Ne7 41. Rac2 Rc8 42. Qd1 Rxc2 43. Rxc2 Nc8 44. Qc1 Nd6 45. Rc7 Qe8 46. Ra7 (46. Rxg7 $5 Kxg7 47. Qc7+ {[%mdl 64] Double Attack} Nf7 48. Qxb6 $11) 46... Qb8 47. Qc7 Qxc7 48. Rxc7 Be8 49. Nh5 Bxh5 50. gxh5 Rd8 51. Be2 Bf6 52. Kg2 Kg8 53. h4 gxh4 54. Bxh6 Nf5 55. Be3 Bxd4 56. Bg5 Rf8 57. Bg4 Kh8 (57... Bxf2 $11 58. Kxf2 Nh6+ 59. Bf3 Nf5) 58. Bxf5 (58. Rd7 $1 $14 Rg8 59. f4 Ne3+ {[%mdl 64] Double Attack} 60. Kh3) 58... Rxf5 $15 {[%mdl 64] [#] Double Attack} 59. Bxh4 Rxh5 60. Bg3 Kg8 61. Rd7 Bc3 62. Nb1 ({White should try} 62. Nf1 $11) 62... Bd4 (62... Bb2 $15 63. Bf4 Kf8) 63. Na3 $2 {[#]} (63. Nd2 $11 {and White is okay.}) 63... Bc5 ({Better is} 63... Kf8 $1 $19 64. Bd6+ Ke8 65. Re7+ Kd8) 64. Bd6 {Threatens to win with Bxc5.} Rg5+ 65. Kf1 {Bxc5 is the strong threat.} Bxa3 66. Bxa3 {[%mdl 4096] Endgame KRB-KRN} Nc4 67. Bc1 Rf5 {Strongly threatening ...e3.} 68. Ke2 Kf8 69. Be3 Ke8 70. Rb7 Rf6 71. Bd4 Rg6 72. Ra7 Kd8 73. Ra8+ Kc7 {With the idea ...Nd6.} 74. Ra7+ Kc8 {Black wants to play ...Nd6.} 75. Ra8+ Kb7 76. Rh8 Kc7 77. Rh7+ Kc8 78. Rh8+ Kd7 79. Rh7+ Ke6 80. Rb7 Kf5 81. Rd7 {The position is equal.} Nd6 82. Bxb6 Ke6 83. Rc7 Nxb5 84. Rc6+ Nd6 85. Bc5 Kd7 86. Ra6 Re6 87. f3 exf3+ 88. Kxf3 Rh6 89. Rxd6+ Rxd6 90. Bxd6 {Accuracy: White = 73%, Black = 73%.} 1/2-1/2

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.14"]
[Round "5.3"]
[White "Dominguez Aguilar, Guillermo"]
[Black "Camacho Collados, Marcos"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2321"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,16,3,27]} 1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Bd6 5. c4 c6 6. O-O O-O 7. Nc3 Nbd7 8. Qc2 Re8 {[#]} {Predecessor:} 9. Rd1 $146 {E01: Catalan: Early deviations.} Qe7 10. b3 Rb8 11. e4 Nxe4 12. Nxe4 dxe4 13. Qxe4 e5 14. Bb2 Nf6 15. Qh4 e4 16. Re1 Bf5 17. Qg5 {1-0 (43) Mareco,S (2603)-Ricardi,P (2517) Buenos Aires 2010} 1/2-1/2

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.14"]
[Round "5.4"]
[White "Cofre Archibold, Nestor"]
[Black "Garcia Almaguer, Juan Manuel"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2304"]
[BlackElo "2204"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,100,8,39,0,11,-3,0,-11,8,6,0,0,20,21,34,-70,66,46,69,68,59,39,45,38,41,17,20,15,42,42,41,37,59,53,66,61,64,60,65,61,64,11,141,136,152,112,143,143,165,141,152,137,141,119,130,132,168,0,0,0,0,0,0,0,14,26,55,0,0,0,0,0,0,-150,0,-456,-429,-407,-383,-12835,-12832,-29987,-29988,-29991,-29992,-29992,-29993]} 1. b3 Nf6 2. Bb2 g6 3. c4 Bg7 4. g3 c5 5. Bg2 Nc6 6. Nf3 O-O 7. O-O d6 8. Nc3 Bf5 9. Nd5 {A38: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6.} e5 10. Ne1 Nxd5 11. cxd5 {The position is equal.} Ne7 {[#]} 12. Nc2 $146 ({Predecessor:} 12. e4 Bd7 13. d3 a5 14. Nc2 Qb6 15. Qd2 f5 16. Bh3 Bc8 17. Bc3 f4 18. Bxc8 Nxc8 19. f3 Qd8 20. Qg2 Qd7 21. a4 b6 {½-½ (21) Grillitsch,K (2285)-Wittmann,W (2380) Austria 1992}) 12... Qd7 13. e4 Bg4 14. f3 Bh3 15. f4 (15. Bxh3 $14 Qxh3 16. Qe2) 15... f6 (15... Bxg2 $15 16. Kxg2 exf4 17. Bxg7 Kxg7) 16. Ne3 Rae8 17. Bxh3 Qxh3 18. Nc4 Nc8 19. fxe5 fxe5 20. Rxf8+ Rxf8 21. Qe2 Bh6 22. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Bg5 23. Bc3 h5 24. b4 b6 25. bxc5 bxc5 26. a5 h4 27. Qg2 Qg4 $1 {Threatens to win with ...h3.} 28. Re1 (28. h3 $14 Qh5 29. g4) 28... h3 (28... hxg3 $11 29. hxg3 a6) 29. Qe2 $36 {[%mdl 2048] White is really pushing.} Qd7 30. Rf1 Rxf1+ 31. Kxf1 Qb5 32. Nb2 a6 33. Kf2 Kg7 34. Nc4 Bf6 35. Qf1 Qa4 36. Nb6 $2 ({Better is} 36. Qxh3 $18 Qxc4 37. Qxc8) 36... Qxe4 $11 37. Qxh3 Ne7 38. Qg2 Qf5+ 39. Qf3 e4 (39... Qh3 {is more complex.} 40. Kg1 Qf5 41. Kg2 Qb1 42. g4 g5) 40. Qxf5 gxf5 {[%mdl 4096] Endgame KBN-KBN} 41. h4 (41. Bxf6+ $14 Kxf6 42. Nd7+ Kf7 43. Nb8) 41... Bd4+ 42. Ke2 Kg6 43. Kf1 Kh5 44. Kg2 {[#]} ({White should play} 44. Bxd4 $11 cxd4 45. Nc4) 44... Kg4 (44... f4 $1 $17 {[%mdl 512] aiming for ...e3.} 45. Bxd4 (45. gxf4 Kg4) 45... cxd4 46. gxf4 Kxh4) 45. Nd7 $2 {[%mdl 8192]} (45. Bxd4 $11 cxd4 46. Nc4) 45... Bxc3 46. dxc3 {[%cal Rd7f6]} Nxd5 {Strongly threatening ...f4.} 47. Kf2 $2 (47. c4 Ne3+ {[%mdl 64] Double Attack} 48. Kf2) 47... e3+ $19 48. Kg2 f4 {Black mates.} 49. gxf4 Nxf4+ 50. Kf1 Kf3 {Black used his chance. Accuracy: White = 68%, Black = 75%.} 0-1

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.14"]
[Round "5.5"]
[White "Guerrero Rodriguez, Alejandra"]
[Black "Medina Diaz, Rafael Alejandro"]
[Result "*"]
[ECO "C03"]
[WhiteElo "2088"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,26,19,0,0,56,64,0,845,0,261,0,832,-300,427]} 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. c3 e5 5. exd5 Qxd5 6. Ngf3 exd4 7. Bc4 Qf5 8. O-O Be6 {C04: French Tarrasch: 3...Nc6.} 9. Bxe6 (9. Nxd4 $11 Nxd4 10. cxd4) 9... fxe6 $14 10. Nxd4 {[#]} (10. Nb3 $1 $14) 10... O-O-O $146 {[%mdl 8192] [#]} (10... Nxd4 $11 11. cxd4 O-O-O) ({Predecessor:} 10... Nxd4 11. cxd4 O-O-O 12. Nf3 Bd6 13. Bg5 Nf6 14. Rc1 Kb8 15. Qc2 Rhf8 16. Qxf5 exf5 {0-1 (49) Bayramov,E (2176)-Stupak,K (2586) Baku 2017}) 11. Nc4 $2 ({White must play} 11. Nxf5 $18 exf5 12. Qb3) 11... Nf6 $2 {[%mdl 8192]} (11... Nxd4 $11 {and Black stays safe.} 12. cxd4 Ne7) 12. Qa4 $2 (12. Nxf5 $18 Rxd1 13. Rxd1 exf5 14. Bf4) 12... Kb8 $2 {[%mdl 8192]} (12... Nxd4 $11 13. cxd4 Kb8) 13. Ne5 $4 {[%mdl 8192]} (13. Nxf5 $18 {was the only winning move.} exf5 14. Be3) 13... Nxe5 $4 {[%mdl 8192]} (13... Qxe5 $19 {and life is good for Black.} 14. Nxc6+ bxc6 15. Qxc6 Ng4) *

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.15"]
[Round "6.1"]
[White "Fernandez Cardoso, Alexey"]
[Black "Medina Diaz, Rafael Alejandro"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2424"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,95,23,40,33,40,22,58,56,60,68,78,54,68,51,104,99,107,106,189,37,20,30,42,44,35,37,94,102,120,120,134,84,185,97,183,177,204,192,515,445,429,421,506,570,533,510,545,544,585,541,539,545,544,532,531,530,520,526,516,509,473,407,478,466,714,730,667,723,660,616,29987,29988,29988,29989,29992,29993,29994,29991]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 f5 9. Bd3 Be7 10. Ne2 O-O 11. O-O {C05: French Tarrasch: 3...Nf6 4 e5 Nfd7, 5 f4 and 5 Bd3 sidelines.} Nb6 12. Kh1 a5 13. Rg1 {White is slightly better.} Bd7 14. g4 {[#]} g6 $146 ({Predecessor:} 14... Rc8 15. Rg2 Kh8 16. a3 Qe8 17. Rb1 a4 18. Qe1 Nd8 {½-½ (18) Sosna,J (2406)-Szymanski,M (2422) Brno 2005}) 15. h4 Kh8 16. h5 Be8 (16... gxh5 $14 17. gxf5 (17. gxh5 Qe8 $17) 17... exf5) 17. Qf1 Nb4 {[#]} 18. Bb1 $1 Rc8 (18... gxh5 $16 19. gxf5 exf5) 19. Nc3 $2 (19. gxf5 $18 exf5 20. Qh3) 19... gxh5 $14 20. gxf5 exf5 21. Qh3 {Black must now prevent a3.} Bg6 22. a3 {[%mdl 1024] White has compensation.} Nc6 (22... Na6 $1 $14) 23. Bd3 a4 24. Be3 Na5 25. Bf2 Nbc4 (25... Nac4 $16 {is a better defense.}) 26. Nxa4 (26. Nh4 $18 Rc6 27. Nxa4) 26... Nb3 (26... Qe8 $16) 27. Rae1 $18 b5 28. Nc5 Bxc5 $2 (28... Nxc5 {is tougher.} 29. dxc5 Bxc5 30. Bxc5 Rxc5) 29. dxc5 d4 30. e6 Qd5 31. Bxc4 bxc4 32. Re5 Qb7 33. Kh2 d3 34. Be1 {[#] aiming for Bc3.} d2 35. Nxd2 Nxc5 36. Nxc4 Ne4 37. e7 Rfe8 38. Bc3 $1 Nxc3 39. Qxc3 {White wants to mate with Re6+.} Kg8 40. Rge1 Qa7 41. Qe3 Qb8 (41... Qa6 $142 42. b3 Qf6) 42. Qd4 Qb3 43. Nd6 {[%cal Bc4d6,Bd6e8,Be8f6][%mdl 32]} Rc2+ 44. R1e2 Rb8 45. e8=Q+ {White mates.} Bxe8 46. Nxe8 h4 47. Nf6+ Kg7 48. Qd7+ {Accuracy: White = 83%, Black = 42%.} 1-0

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.15"]
[Round "6.2"]
[White "Garcia Almaguer, Juan Manuel"]
[Black "Guerrero Rodriguez, Alejandra"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2204"]
[BlackElo "2088"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,4,-2,-14,-7,-27,-6,-31,-18,-25,-4,-13,1,7,50,42,56,56,81,47,43,35,58,15,20,28,20,32,35,-12,92,69,70,70,71,70,70,68,71,72,72,69,100,78,139,139,155,154,150,121,113,137,135,137,121,145,339,341,414,440,427,425,414,389,522,487,383,186,224,223,188,185,148,21,21,8,8,0,22,24,51,8,8,8,8,8,8,8,29973,29976,29970,29972,29972,29974,29976,29977,29975,29978,29976,29979,29984,29985,29984,29985,29987,29988,29988,29989]} 1. d4 e6 2. Nc3 d5 3. Bf4 Bd6 4. e3 Bxf4 5. exf4 Nf6 6. Bd3 {D00: 1 d4 d5: Unusual lines.} b6 {[#]} 7. Qf3 $146 ({Predecessor:} 7. Qe2 O-O 8. g4 c5 9. g5 c4 10. Bxc4 dxc4 11. gxf6 Bb7 12. fxg7 Re8 13. Nf3 {1-0 (27) Bachhuber,D (1897)-Groenegres,T (1720) Pardubice 2018}) 7... Ba6 8. Nge2 {The position is equal.} Bxd3 9. Qxd3 Nbd7 10. f3 c5 11. g4 cxd4 12. Qxd4 Rc8 13. O-O-O Qc7 14. f5 {aiming for fxe6.} e5 15. Qb4 h6 16. Rd2 (16. f4 {is interesting.} Nxg4 17. Rxd5 Qc4 18. Qxc4 Rxc4 19. fxe5 Ngxe5 20. Nd4) 16... a5 $1 {[%cal Ra5b4]} 17. Qa3 Qc5 18. Qxc5 Rxc5 19. f4 e4 (19... d4 $11 {keeps the balance.} 20. Na4 Ne4 21. Nxc5 bxc5) 20. g5 hxg5 21. fxg5 Ng4 22. Nf4 e3 $1 {[%cal Re3d2]} 23. Rxd5 Rxh2 24. Rxh2 Nxh2 25. Rxc5 bxc5 $14 {[%mdl 4096] Endgame KNN-KNN} 26. Ncd5 Ng4 (26... e2 $142 27. Nxe2 Nf3) 27. Kd1 $16 Nde5 28. Ke2 Nc4 29. b3 Nd6 30. Nxe3 Nxe3 31. Kxe3 Nxf5+ {KN-KN} 32. Ke4 Ne7 $2 {[#]} (32... Nd4 $16) 33. Nh5 $1 $18 g6 34. Nf6+ Kd8 35. Ke5 Nf5 36. Ne4 Nd4 37. c4 Ke7 38. Nxc5 (38. Kd5 $142) 38... Nc6+ {[#]} 39. Ke4 $1 f6 40. gxf6+ Kxf6 41. a3 ({Better is} 41. Nd3 $16) 41... g5 $11 42. Nd7+ Ke6 43. Nc5+ Kf6 44. Nd3 {And now b4 would win.} Ke6 45. b4 axb4 46. axb4 {Black must now prevent b5.} g4 47. b5 Na5 48. c5 {Hoping for Nf4+.} Kd7 $2 {[%mdl 8192]} (48... g3 $11) 49. Ne5+ {White mates.} Ke6 50. Nxg4 Nb3 51. c6 Kd6 52. Nf6 Nc5+ 53. Kd4 Ne6+ 54. Kc4 Kc7 55. Kd5 Nf4+ 56. Ke5 Nd3+ 57. Kd4 Nf4 58. Nd5+ {Accuracy: White = 76%, Black = 68%.} 1-0

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.15"]
[Round "6.3"]
[White "Camacho Collados, Marcos"]
[Black "Cofre Archibold, Nestor"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2409"]
[BlackElo "2304"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,52,29,54,41,39,43,53,48,87,74,112,114,127,122,116,108,107,98,76,125,168,160,182,80,328,307,408,399,406,392,405,397,1193,1206,1354,1339,1258,1277,1156,881,3708]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O c6 7. a4 h6 8. Re1 {C41: Philidor Defence.} Qc7 9. h3 Nf8 10. a5 {[%cal Ba4a5,Ba5a6][%mdl 32] White is slightly better.} g5 11. d5 {[#]} Rg8 $146 ({Predecessor:} 11... Ng6 12. a6 b5 13. Bb3 Kf8 14. dxc6 Qxc6 15. Nh2 Nf4 16. Ng4 Bxg4 17. hxg4 Rb8 {1-0 (57) Winz,M (2449)-Broeker,C (2375) GER email 2007}) 12. a6 b5 13. Bb3 $36 {[%mdl 2048] White is on the roll.} b4 14. Ba4 Rb8 15. Ne2 Bd7 16. dxc6 Bc8 17. Ng3 Ne6 18. Nf5 (18. Be3 $18 {and White stays clearly on top.}) 18... Bf8 $2 {[#] A mistake that costs the game.} (18... Nc5 $16 {was necessary.}) 19. Be3 $1 $18 Ra8 20. Qd3 g4 21. hxg4 Nxg4 22. Qb5 {aiming for Qb7!} h5 $2 {[#]} (22... Kd8 23. Qxb4 Ng5) 23. Qb7 $3 {[%mdl 512] White is clearly winning.} Be7 (23... Bxb7 24. cxb7+) 24. Qxa8 Nxe3 25. Nxe3 Nf4 26. Qb8 Qd8 {Accuracy: White = 88%, Black = 40%.} 1-0

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.15"]
[Round "6.4"]
[White "Della Morte, Pablo"]
[Black "Dominguez Aguilar, Guillermo"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2273"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,6,33,33,33,32,32,34,66,66,66,60,66,63,65,63,97,88,77,81,85,59,57,58,102,101,107,106,144,153,160,160,143,158,150,156,183,187,183,183,184,181,180,173,199,194,206,209,226,201,222,209,275,265,308,283,404,397,625,550,585,556,525,530,1600,1576,2153,1877,2444,2240,29977,29977,29991,29992,29994,29995]} 1. e4 c5 2. b3 Nc6 3. Bb2 e6 4. Nf3 a6 5. c4 d6 6. d4 {B40: Sicilian: 2...e6, Unusual lines.} cxd4 7. Nxd4 Nf6 8. Nc3 {White is slightly better.} Qa5 9. Nxc6 bxc6 {[#]} 10. Bd3 $146 ({Predecessor:} 10. Qd2 Be7 11. g3 O-O 12. Bg2 Bb7 13. O-O Rfd8 14. Rfd1 Qc7 15. Rac1 c5 16. Qe2 {½-½ (43) Majeric,Z (2270)-Loncar,R (2405) Zagreb 2013}) 10... e5 11. O-O Be7 12. Na4 Bg4 13. Qc2 Nd7 14. Bc3 Qc7 15. f4 {aiming for h3.} f6 16. f5 g5 {White stays focused until the end.} 17. Be2 $36 {[%mdl 2048] White is on the roll.} Qa7+ 18. Kh1 h5 19. Bxg4 hxg4 {[#]} 20. Be1 $1 Kf7 21. Bf2 Qb7 22. Qe2 c5 23. Qxg4 Nb8 24. Nc3 Nc6 25. Nd5 a5 26. Qe2 Nd4 27. Bxd4 exd4 28. Rab1 Rh7 29. g3 Rah8 {[#]} 30. Rf2 $1 Bd8 31. a3 Rh3 {intending ...Rxg3.} 32. Kg1 Qd7 (32... Qa7 $142 33. Qd3 Bc7) 33. b4 $18 Qa4 (33... Re8 $142 34. b5 Be7) 34. Qd3 axb4 35. axb4 cxb4 36. Rxb4 Qa7 37. Qb1 Qa3 38. Rb3 Qc5 39. Rb7+ Kf8 {[#]} 40. Rb8 $1 {White mates.} Kg7 41. Qb7+ Kh6 42. Qf7 {Accuracy: White = 94%, Black = 44%.} 1-0

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.15"]
[Round "6.5"]
[White "Tello Chavez, Isaac Valent"]
[Black "Garcia Guerrero, Isaac Antonio"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2270"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,-11,0,-3,2,-12,-10,-8,4,-16,-12,-22,3,-7,-14,-19,1,-62,-62,-69,-62,-123,-129,-134,-79,-143,-100,-113,-115,-112,-114,-111,-84,-138,-115,-108,-58,-92,-35,-96,-103,-116,-110,-124,-99,-87,0,-64,0,-18,0,-62,-62,-132,-160,-154,-156,-134,-126,-126,-126,-141,-146,-128,-74,-219,-212,-215,-219,-210,-96,-106,-99,-107,-83,-88,-88,-90,0,0,0]} 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nh3 e5 6. d3 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} Nge7 7. O-O d6 8. Rb1 O-O 9. f4 {[#]} Rb8 $146 ({Predecessor:} 9... h6 10. Kh1 Be6 11. Nd5 Nb4 12. Nxb4 cxb4 13. Ng1 d5 14. b3 exf4 15. gxf4 a5 16. Nf3 dxc4 17. bxc4 {1-0 (38) Tazbir,M (2517)-Sadowski,M (2106) Jastrzebia Gora 2015}) 10. e4 f5 11. Be3 a6 12. Nd5 b5 13. fxe5 (13. Qd2 $11) 13... Nxd5 $15 14. cxd5 Nxe5 15. Kh1 (15. Nf2 $15) 15... fxe4 $17 16. dxe4 Bg4 (16... Rxf1+ $142 $1 17. Qxf1 Rb7) 17. Qe1 (17. Qc2 $142) 17... Nc4 18. Nf2 Nxe3 19. Qxe3 Bd7 20. Nd3 Qe7 21. Rfe1 (21. b3 $142) 21... Rbe8 22. Qd2 Be5 23. Qa5 Bc8 (23... Bd4 $17) 24. Rf1 ({Better is} 24. Nxe5 $15 Qxe5 25. Rf1) 24... Bd4 25. Qb6 Rxf1+ 26. Rxf1 Bg4 {White must now prevent ...Be2.} 27. Re1 Qf6 {[#]} (27... Rf8 $17 28. Qxa6 Qd7) 28. Qxa6 (28. e5 $1 $11 {[%mdl 512]} Bxe5 29. Qxa6) 28... b4 (28... Rf8 $15 29. Qxb5 Bf3) 29. Qc6 Rc8 30. Qb7 (30. Qa6 $1 $11) 30... Rf8 $36 {[%mdl 2048] And now ...Bf3 would win. Black fights for an advantage.} 31. e5 ({White should try} 31. Nf4 $1 $15) 31... dxe5 $17 {Strongly threatening ...Bf3.} 32. d6 Qxd6 33. Nxe5 Bxe5 34. Qd5+ Qxd5 35. Bxd5+ Kg7 36. Rxe5 {[%mdl 4096] Endgame [#] KRB-KRB} Kf6 (36... Rf1+ $142 $1 37. Kg2 Rb1) 37. Re3 (37. Re1 $17 {is the only way for White.}) 37... Rd8 $19 38. Bf3 Be6 39. a3 {[#]} bxa3 (39... b3 $1 $19 {and Black stays clearly on top. ...Rd2 is the strong threat.} 40. Re2 c4) 40. bxa3 Rd2 41. Kg1 c4 42. a4 Ra2 43. Bc6 Bf5 ({Black should play} 43... Rb2 $17) 44. Rc3 $1 $11 Be6 {Accuracy: White = 62%, Black = 67%.} 1/2-1/2

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.15"]
[Round "7.1"]
[White "Garcia Guerrero, Isaac Antonio"]
[Black "Fernandez Cardoso, Alexey"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2271"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "17"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,17,0,-45]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 b5 {[#]} 9. e5 $146 ({Predecessor:} 9. h4 g4 10. Ne5 Nbd7 11. Be2 Bb7 12. Nxd7 Qxd7 13. Be5 Qe7 14. b3 Rg8 15. Qc2 b4 16. Na4 c3 17. a3 {1-0 (80) Carlsen,M (2876)-Matlakov,M (2716) Douglas 2019}) 1/2-1/2

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.15"]
[Round "7.2"]
[White "Dominguez Aguilar, Guillermo"]
[Black "Tello Chavez, Isaac Valent"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2321"]
[BlackElo "2270"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,58,7,0,0,15,6,4,7,8,-25,0,-33,-12,-85,-68,-58,-32,-38,-36,-93,-81,-112,-113,-99,-111,-112,-87,-116,-101,-140,-97,-149,-161,-147,-143,-152,-158,-144,-142,-168,-164,-195,-195,-198,-185,-155,-105,-135,-127,-269,-256]} 1. e4 c6 2. Nf3 d5 3. d3 g6 4. Be2 Bg7 5. Nbd2 e5 6. a4 {B10: Caro-Kann: 2 d3 and 2 c4.} Ne7 {[#]} 7. h4 $146 ({Predecessor:} 7. O-O O-O 8. b4 f5 9. Bb2 Qc7 10. Re1 Kh8 11. Bf1 fxe4 12. dxe4 d4 13. c3 dxc3 14. Bxc3 {1-0 (21) Shchekachev,A (2546)-Konings,L (2293) Amsterdam 2001}) 7... h6 8. h5 {The position is equal.} g5 9. b3 Be6 10. Bb2 Nd7 11. d4 (11. O-O $11) 11... Qc7 $1 $17 12. dxe5 Nxe5 13. Nd4 Bd7 14. Qc1 ({White should play} 14. c4 $15) 14... f5 15. exf5 Nxf5 16. Nxf5 Bxf5 17. O-O O-O-O 18. a5 Rhe8 19. Ra4 c5 20. a6 {[#]} ({White should try} 20. f4 Ng6 21. Bxg7 Rxe2 22. hxg6 Qxg7 23. Re1 Rxe1+ 24. Qxe1) 20... b6 $1 21. Bxe5 Bxe5 22. Qd1 Kb8 23. Bg4 Bh7 24. Kh1 Re7 25. Nf3 {[%cal Bd2f3,Bf3g1,Bg1e2][%mdl 32]} Bc3 26. Ng1 b5 27. Ra2 Qe5 28. Ne2 {[#]} Kc7 $1 29. b4 (29. Nxc3 $17 {might work better.} Qxc3 30. Kh2) 29... cxb4 {[%mdl 32768] Accuracy: White = 48%, Black = 81%. . An unexpected result.} ({Less strong is} 29... Bxb4 30. c3 $19) 1/2-1/2

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.15"]
[Round "7.3"]
[White "Cofre Archibold, Nestor"]
[Black "Della Morte, Pablo"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2304"]
[BlackElo "2273"]
[Annotator "ChessBase"]
[PlyCount "56"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:48]} Nf6 {[%emt 0:00:26]} 2. c4 {[%emt 0:00:05]} e6 {[%emt 0:00:08]} 3. g3 {[%emt 0:00:11]} Bb4+ {[%emt 0:04:51]} 4. Bd2 {[%emt 0:00:10]} c5 {[%emt 0:00:14]} 5. Bg2 {[%emt 0:00:44]} O-O {[%emt 0:00:35]} 6. Bxb4 {[%emt 0:00:22]} cxb4 {[%emt 0:00:09]} 7. e4 {[%emt 0:00:02]} d6 {[%emt 0:00:22]} 8. Ne2 {[%emt 0:00:39]} e5 {[%emt 0:01:16]} 9. h3 {[%emt 0:01:29]} Re8 {[%emt 0:05:21]} 10. d5 {[%emt 0:17:02]} a5 {[%emt 0:00:22]} 11. O-O {[%emt 0:00:43]} Na6 {[%emt 0:00:25]} 12. Nd2 {[%emt 0:10:09]} Nc5 {[%emt 0:00:51]} 13. a4 {[%emt 0:08:52]} Bd7 {[%emt 0:15:54]} 14. b3 {[%emt 0:00:14]} h5 {[%emt 0:09:00]} 15. Kh2 {[%emt 0:04:47]} Nh7 {[%emt 0:02:41]} 16. Qc2 {[%emt 0:11:05]} g6 {[%emt 0:05:33]} 17. f4 {[%emt 0:08:35]} exf4 {[%emt 0:00:59]} 18. Nxf4 {[%emt 0:02:14]} Qe7 {[%emt 0:01:01]} 19. Rae1 {[%emt 0:03:05]} h4 {[%emt 0:00:58]} 20. Re3 {[%emt 0:05:37]} hxg3+ {[%emt 0:05:17]} 21. Rxg3 {[%emt 0:00:18]} Qe5 {[%emt 0:01:46]} 22. Nd3 {[%emt 0:03:01]} Nxd3 {[%emt 0:00:51]} 23. Qxd3 {[%emt 0:00:08]} Nf6 {[%emt 0:02:24]} 24. Bf3 {[%emt 0:05:30]} Kg7 {[%emt 0:00:36]} 25. Kg2 {[%emt 0:02:14]} Rh8 {[%emt 0:01:13]} 26. Bd1 {[%emt 0:00:08]} Bxh3+ {[%emt 0:02:09]} 27. Rxh3 {[%emt 0:04:56]} Rxh3 {[%emt 0:00:07]} 28. Qxh3 {[%emt 0:00:03]} Qg5+ {[%emt 0:00:06]} 0-1

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.15"]
[Round "7.4"]
[White "Guerrero Rodriguez, Alejandra"]
[Black "Camacho Collados, Marcos"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2088"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,66,30,32,0,-1,-3,0,0,16,-11,-1,-89,-105,-142,-154,-172,-178,-165,-96,-105,-65,-120,-109,-265,-228,-360,-366,-364,-358,-329,-296,-260,-210,-179,-179,-260,-253,-269,-259,-268,-247,-297,-292,-313,-325,-340,-344,-439,-430,-422,-445,-466,-460,-448,-419,-487,-487]} 1. e4 c6 2. d4 g6 3. Nc3 Bg7 4. Be3 d5 5. Qd2 dxe4 6. Nxe4 Nd7 {[%cal Bb8d7,Bd7b6,Bb6d5][%mdl 32]} 7. Bc4 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} Nb6 8. Bb3 a5 {[#] Hoping for ...a4.} 9. a4 $146 {The position is equal.} ({Predecessor:} 9. a3 Nd5 10. Bg5 h6 11. Bh4 Bf5 12. Nc3 Nxc3 13. bxc3 Nf6 14. f3 a4 15. Bc4 {0-1 (31) Stratonowitsch,A (2138)-Lalith,B (2587) Doha 2016}) 9... Nd5 10. Bg5 h6 11. Bh4 (11. Be3 $1 $11 {remains equal.}) 11... f5 $36 {[%mdl 2048] Black is really pushing.} 12. Ng3 g5 13. Bxg5 hxg5 14. Qxg5 Kf7 (14... Bf6 $19 15. Qd2 f4) 15. Nf3 Nh6 16. O-O-O ({Better is} 16. Nh5 $15 Bf6 17. Qd2) 16... e6 17. Qh5+ $2 {Loses the game.} (17. Qd2 $17) 17... Kf8 18. Nh4 (18. Ne5 {is a better defense.} Bxe5 19. dxe5) 18... Kg8 $19 {Strongly threatening ...Ng4.} 19. Ng6 Rh7 20. Bxd5 {And now Bb3 would win.} cxd5 21. Qf3 Qg5+ 22. Nf4 Ng4 23. h4 {[#]} (23. Kb1 $142) 23... Qxf4+ $1 {[%mdl 512]} 24. Qxf4 Bh6 25. Qxh6 Rxh6 26. Rd2 Bd7 27. f3 Ne3 ({And not} 27... Bxa4 28. fxg4 fxg4 29. Rf2 $14) 28. Ne2 Nxg2 ({But not} 28... Bxa4 29. Nf4 $19) 29. h5 {intending Rg1.} Kf7 30. Nc3 Nf4 31. Rh4 Nxh5 32. Rdh2 Rah8 33. Ne2 R6h7 {Accuracy: White = 46%, Black = 84%.} 0-1

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.15"]
[Round "7.5"]
[White "Medina Diaz, Rafael Alejandro"]
[Black "Garcia Almaguer, Juan Manuel"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2308"]
[BlackElo "2204"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,71,0,0,18,21,15,-34,-23,-34,-38,-52,-52,-47,-54,-67,-63,-107,-118,-110,-106,-110,-98,-160,-135,-166,-184,-170,-147,-134,-147,-347,-123,-121,-120,-125,-119,-100,-74,-74,-77,-73,-72,-84,-74,-85,-92,-86,-58,-58,-55,-47,-48,-63,-8,-8,-8,-205]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. Nd2 f6 {C45: Scotch Game.} 10. exf6 Nxf6 {[#]} 11. Nf3 $146 ({Predecessor:} 11. b3 O-O-O 12. Bb2 Qxe2+ 13. Bxe2 Re8 14. Kd1 Bd6 15. Bf3 Be5 16. Kc2 c5 17. Bxe5 Rxe5 {½-½ (31) Zhou,Y (2434)-Taylor,A (2331) London 2018}) 11... O-O-O {Threatening ...Qb4+.Black is slightly better.} 12. Qxe7 Bxe7 13. Be3 Ng4 14. Bd4 Bf6 $36 {[%mdl 2048] Black is more active.} 15. Be2 Rhe8 {Threatens to win with ...Bxc4.} 16. Kf1 d5 17. Rc1 dxc4 18. Bc3 c5 19. h4 {[#]} (19. h3 $142 Bxc3 20. Rxc3) 19... h5 $1 $17 20. Rh3 {[#]} Bd4 $1 21. Rg3 Bxf2 22. Rxg4 hxg4 23. Ne5 $2 (23. Kxf2 $17 gxf3 24. gxf3) 23... Rxe5 $2 ({Don't take} 23... Bxh4 24. Bxg4+ Kb7 25. Nd7) (23... Bd4 $19 {has better winning chances.} 24. Bxg4+ Kb7) 24. Bxe5 Bxh4 {...Rf8+ is the strong threat.} 25. Bxg7 Rg8 26. Bh6 Bf6 {Hoping for ...Rg6.} 27. Bxc4 Bxc4+ 28. Rxc4 Bxb2 29. Rxc5 {[%mdl 4096] Endgame KRB-KRB} Bd4 30. Rd5 c5 31. Ke2 Rg6 32. Bf8 Ra6 33. Bxc5 Rxa2+ 34. Kf1 Bxc5 (34... Ba1 $15) 35. Rxc5+ $11 Kb7 36. Rc3 $2 {Accuracy: White = 64%, Black = 78%.} (36. Rc4 $1 $11) 1/2-1/2

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.16"]
[Round "8.1"]
[White "Fernandez Cardoso, Alexey"]
[Black "Garcia Almaguer, Juan Manuel"]
[Result "1-0"]
[ECO "C89"]
[WhiteElo "2424"]
[BlackElo "2204"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,63,50,25,53,47,106,89,104,32,32,24,29,33,28,24,55,42,196,189,178,189,179,181,183,187,267,271,250,218,752,706,29966,29967,29969,29973,29969,29974,29969,29975,29972,6468]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. Re1 Bd6 13. g3 Ra7 {C89: Closed Ruy Lopez: Marshall Attack.} 14. d4 {[#]} f5 $146 (14... Re8 $14) ({Predecessor:} 14... Re8 15. Rxe8+ Qxe8 16. Bd2 Re7 17. Na3 Bb7 18. c4 Bxa3 19. bxa3 bxc4 20. Bxc4 Qd7 21. Rb1 {1-0 (45) Lagemann,T-Ster,P DESC email 2000}) 15. f4 g5 {[%cal Rg5f4] White is better.} 16. Qf3 (16. Qh5 $16) 16... Re7 $14 17. Rxe7 Qxe7 18. Bxd5+ cxd5 19. Qf2 ({Not} 19. Qxd5+ $2 Kh8 $19) 19... h5 20. fxg5 {aiming for Bf4.} f4 $2 {This move loses the game for Black.} ({Black should try} 20... Re8 $14) 21. Bxf4 $18 Bxf4 22. gxf4 Qd6 23. Nd2 Rxf4 24. Qe3 Bf5 (24... Rg4+ $142 25. Kh1 Qe6 26. Qxe6+ Bxe6) 25. Qe8+ Kg7 {[#]} 26. Re1 $1 {[%cal Re1e7]} ({Don't blunder} 26. Qxh5 $2 Qe7 $19) 26... Rg4+ $2 (26... Bg6 27. Qe5+ Qxe5 28. Rxe5 h4 29. Rxd5 Bf7) 27. Kh1 {And now Re7+ would win.} Be4+ 28. Nxe4 {White mates.} dxe4 29. Rf1 Rf4 {[#]} 30. Rxf4 $1 Qxf4 31. Qe5+ Qxe5 32. dxe5 {Accuracy: White = 91%, Black = 33%.} 1-0

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.16"]
[Round "8.2"]
[White "Camacho Collados, Marcos"]
[Black "Medina Diaz, Rafael Alejandro"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2409"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,35,28,36,33,32,35,18,17,18,19,19,59,52,68,-10,-8,-8,-11,-23,48,48,48,50]} 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O dxc4 {7...a5 is the modern continuation.} 8. bxc4 c5 {A11: English Opening: 1...c6.} 9. d3 Nc6 10. Nc3 Bg4 {The position is equal.} 11. h3 {[#]} Bxf3 $146 ({Predecessor:} 11... Bd7 12. Rb1 Rc8 13. Nd2 b6 14. g4 Nd4 15. e3 Ne6 16. Nd5 Nxd5 17. cxd5 Nc7 18. Bxg7 Kxg7 {½-½ (40) Jurman,R (2186)-Dvornitzky,B (1816) Pula 2016}) 12. Bxf3 Nd4 13. Bg2 Rb8 14. Nd5 ({White should play} 14. Rb1 $14) 14... Nxd5 $11 15. Bxd5 e6 16. Bg2 Nf3+ (16... b5 $11 17. Rc1 bxc4 18. Bxd4 cxd4 19. Rxc4 Rb2) 17. Bxf3 $14 {[#] Black must now prevent Bxg7.} Bxb2 18. Rb1 1/2-1/2

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.16"]
[Round "8.3"]
[White "Della Morte, Pablo"]
[Black "Guerrero Rodriguez, Alejandra"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2273"]
[BlackElo "2088"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,86,14,74,56,80,0,51,50,58,56,67,60,73,90,93,38,191,193,190,187,188,181,186,193,312,314,359,344,340,329,310,304,288,279,276,281,284,279,252,282,281,265,283,258,355,355,356,364,306,0,0,-29971,-29972,-12832,-12831,-29989,-446,-29994,-29995,-29995,-29996,-29996,-29997,-29997,-29996,-29998,-29999]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c4 Bb4+ 11. Ke2 Ba6 (11... f5 $11 12. exf6 Nxf6) 12. Kf3 $16 {B45: Sicilian Four Knights.} f5 13. Nf2 (13. exf6 $16 Nxf6 14. Be3) 13... Nc7 ({Black should play} 13... Ne7 $11) 14. Be3 $14 {White is slightly better.} Bc5 15. Bxc5 Qxc5 16. Qd6 Qa5 17. Rd1 $36 {[%mdl 2048] White has strong initiative.} O-O-O 18. a3 {[#]} (18. Be2 $16) 18... c5 $146 {[#]} (18... h6 $14) ({Predecessor:} 18... h6 19. Qb4 Qb6 20. Qxb6 axb6 21. Be2 g5 22. h4 gxf4 23. Kxf4 Rhg8 24. Rhg1 Rg7 {½-½ (45) Pachmann,A (2190)-Luckans,A Herculane 1994}) 19. Nd3 $1 $18 Bxc4 20. Nxc5 Nb5 {[#]} 21. Qa6+ $1 Qxa6 22. Nxa6 Bxf1 (22... d5 $142 23. Bxc4 dxc4) 23. Rhxf1 d5 24. Rc1+ Kd7 25. a4 Nd4+ 26. Ke3 Nc6 27. Nc5+ Ke7 {[#]} 28. Nxe6 $1 {[%mdl 512]} d4+ (28... Kxe6 29. Rxc6+) 29. Kd2 Kxe6 30. Rxc6+ {[%mdl 4096] Endgame KRR-KRR} Kd5 31. Rc7 Rb8 32. Rb1 ({Weaker is} 32. Rxg7 Rxb2+ 33. Kd3 Rb3+ 34. Ke2 Rb2+ 35. Kf3 Rhb8 $14) 32... a5 33. Ra7 ({Don't do} 33. Rxg7 Rhg8 $18) 33... Rb3 34. Rxa5+ Ke4 35. g3 $2 ({Better is} 35. Re1+ $18 Kxf4 36. g3+ Kg5 37. Rb5 Rxb5 38. axb5) 35... Rd3+ $11 36. Ke2 $2 {[%mdl 8192]} (36. Ke1 $11 Re3+ 37. Kf2) 36... Rc8 37. Kf1 Rc2 38. e6 Rdd2 (38... Kf3 $142 39. Rb5 Rdd2 40. Rb3+ d3 41. Rxd3+ Rxd3 42. b4 Rcd2 43. Re1 Rxh2 44. Kg1 Rdd2 45. Re3+ Kxe3 46. e7 Kf3 47. e8=Q Rdg2+ {[%mdl 64] Double Attack} 48. Kf1 Rh1#) 39. e7 (39. Re5+ $19 Kf3 40. b4) 39... Rf2+ {Black mates.} 40. Kg1 Rg2+ 41. Kh1 Rxh2+ 42. Kg1 Rcg2+ {[%mdl 64] Double Attack} 43. Kf1 Kf3 {Never resign too early! Accuracy: White = 68%, Black = 63%.} 0-1

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.16"]
[Round "8.4"]
[White "Tello Chavez, Isaac Valent"]
[Black "Cofre Archibold, Nestor"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2270"]
[BlackElo "2304"]
[Annotator "TA"]
[PlyCount "164"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,164,-1,14,20,35,30,39,38,43,17,30,-7,-10,-14,0,-31,0,-8,0,-26,-2,-10,0,-53,0,0,0,-53,-66,-71,-5,-64,-62,-121,-75,-84,-62,-78,-68,-77,-37,-60,0,0,0,0,-48,-108,-125,-137,-96,-154,-165,-166,-155,-125,-74,-111,-93,-689,-698,-678,-693,-657,-178,-193,-185,-322,-319,-322,-322,-363,-350,-379,-378,-385,-379,-376,-275,-271,-263,-379,-360,-360,-360,-360,-360,-360,-390,-367,-368,-381,-357,-362,-345,-445,-438,-444,-380,-435,0,-434,-380,-563,-344,-531,0,-380,-381,-434,-434,-493,0,-329,0,-22,-13,-197,-185,-200,-198,-326,-323,-773,-772,-785,-785,-785,-785,-799,-799,-785,-777,-12838,-12839,-12839,-12839,-12840,-12840,-12841,-12841,-12841,-12841,-12841,-12842,-12842,-12843,-12843,-12843,-12844,-12842,-12842,-12843,-12844,-12843,-12847,-12843]} 1. d4 g6 2. c3 Bg7 3. Bg5 d6 4. Nd2 Nd7 5. Ngf3 h6 6. Bh4 {A40: Unusual replies to 1 d4.} g5 7. Bg3 f5 8. e3 {White is slightly better.} e5 9. h3 Qe7 {[#]} 10. Bh2 $146 ({Predecessor:} 10. Be2 e4 11. Ng1 Ngf6 12. Qc2 O-O 13. O-O-O a5 14. f4 Nd5 15. Nf1 N7f6 16. a3 {0-1 (41) Szavcsur,F (2265)-Beszterczey,L (2175) Nyiregyhaza 1994}) 10... e4 11. Ng1 Ngf6 12. Bc4 Nf8 {[%cal Bd7f8,Bf8g6,Bg6h4,Bh4f5][%mdl 32]} 13. Ne2 Ng6 14. a4 h5 15. a5 Nh4 16. O-O (16. a6 $11) 16... f4 (16... d5 $1 $15 17. Bb3 f4 18. exf4 g4) 17. exf4 $11 g4 $1 {[%cal Rg4h3]} 18. Bg3 (18. Ng3 $11 d5 19. hxg4 hxg4 20. Re1 dxc4 21. Ngxe4) 18... Nf5 $15 {[%mdl 1024] Black has compensation.} 19. h4 d5 20. Bb3 (20. Ba2 $1 $11) 20... e3 21. Nb1 ({Better is} 21. Ba4+ $15 c6 22. Nb3) 21... Ne4 22. Bxd5 exf2+ 23. Bxf2 Nxf2 24. Rxf2 c6 $36 {[%mdl 2048] Black fights for an advantage.} 25. Ba2 g3 (25... Nxh4 $2 26. Ng3 $18) 26. Rf3 {Black must now prevent Qd3.} Nxh4 (26... Qxh4 27. Nxg3 $1 {[%mdl 512]} Nxg3 28. Qe1+ Kd8 29. Qxg3 $16 (29. Rxg3 Re8 $14)) 27. Rxg3 Bg4 28. Qd2 (28. a6 $15 bxa6 29. Na3) 28... Nf5 $17 (28... Bxe2 $2 29. Re3 $18) 29. Na3 O-O-O $1 (29... Bxe2 30. Rg6 $16) (29... Qxe2 $2 30. Re1 $18) (29... Nxg3 $6 30. Nxg3 O-O-O 31. f5 $11) 30. a6 (30. Re1 $142 Rde8 31. Nc2) 30... Rde8 ({Not} 30... Bxe2 31. Rxg7 $1 {[%mdl 512]} Nxg7 32. Re1 $11) ({Much less strong is} 30... Nxg3 31. Nxg3 Bh6 32. Qf2 $15) ({Much weaker is} 30... bxa6 $6 31. Bc4 $11) 31. Bb1 Nxg3 32. Nxg3 {[#]} Kb8 (32... h4 $142 $1 {[%cal Rh4g3]} 33. Ne4 b5) 33. Nc4 h4 34. Nf5 $2 {[%mdl 8192]} (34. Nf1 $17) 34... Qe1+ $19 35. Qxe1 Rxe1+ 36. Kf2 Rxb1 $2 (36... Re2+ 37. Kg1 h3) 37. Rxb1 Bxf5 38. Ra1 (38. Re1 {might work better.}) 38... b5 39. Nd6 Bd7 40. g3 Kc7 41. Ne4 hxg3+ 42. Kxg3 Rh3+ 43. Kg2 Re3 44. Nc5 Bf5 45. Kf2 (45. Rh1 $142) 45... Re8 46. Rh1 Rh8 47. Re1 {Hoping for Re7+.} Bf6 {Strongly threatening ...Bh4+.} 48. Kg2 Rg8+ 49. Kf3 Bg4+ 50. Kg3 Bh5+ 51. Kh3 Bf7 52. b3 Bd5 53. b4 Bg2+ 54. Kh2 Bd5 55. Kh3 Bc4 56. Re3 (56. Ne6+ $142 Kb6 57. Nc5) 56... Bf1+ 57. Kh2 Bc4 58. Kh3 Bf7 59. Kh2 Rg4 60. Rh3 Rg8 $2 (60... Bh4 $19 61. Nd3 Be6) 61. Ne4 $2 {[%mdl 8192]} (61. Re3 $1 $11 {and White stays safe.} Bd5 62. Kh3) 61... Be7 $2 (61... Bg7 $19 {aiming for ...Bg6.} 62. Rh4 Bg6) 62. Rh7 $11 Rf8 {...Kd8 is the strong threat.} 63. Kg3 $2 {[#] Black converts the advantage convincingly.} (63. f5 $1 $11 {and White is okay.}) 63... Kd8 $1 $19 {And now ...Bg6 would win.} 64. f5 {Threatening f6.} Bg8 {[%mdl 64] Discovered Attack} 65. Rg7 (65. Rh5 {was the only defense.}) 65... Bd5 66. f6 $2 (66. Kf4 Rf7 67. Rg8+ Kc7 68. Rh8) 66... Bxf6 {Black is clearly winning.} 67. Nxf6 Rxf6 68. Rxa7 {[%mdl 4096] Endgame KRB-KR} Kc8 69. Kg4 Kb8 70. Re7 Re6 71. Rxe6 Bxe6+ {KB-KP} 72. Kf4 Ka7 73. Ke5 Bd5 74. Kd6 Kxa6 {KB-K3P} 75. Kc7 Ka7 76. Kc8 Kb6 77. Kd8 Be6 78. Ke7 Bh3 79. Kd6 Bg2 80. Kd7 Kb7 81. Kd6 Kc8 82. Kc5 Bd5 {Accuracy: White = 48%, Black = 85%.} 0-1

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.16"]
[Round "8.5"]
[White "Garcia Guerrero, Isaac Antonio"]
[Black "Dominguez Aguilar, Guillermo"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2271"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,116,17,13,10,45,23,24,15,40,41,60,51,71,54,70,56,63,59,88,91,96,78,141,114,162,143,160,67,73,74,68,65,67,56,67,39,69,64,60,59,75,78,59,61,97,52,96,82,97,66,64,0,47,0,136,153,145,134,2002,2028,899,202,517,514,531,531,465,506,562,560,551,532,906,713,965,889,797,369,349,371,352,357,445,345,345,265,360,356,472,0,0,0,0,0,8,0,59,0,0,0,0,0,0,0,0,0,1292,1218,802]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 e6 4. f3 Bd6 5. Bxd6 Nxd6 6. e4 {A45: Trompowsky Attack.} f5 7. e5 Nf7 8. Nc3 {White has an edge.} b6 9. f4 Bb7 10. Nf3 {[#]} Qe7 $146 ({Predecessor:} 10... O-O 11. Bc4 g5 12. d5 Qe7 13. Qe2 gxf4 14. O-O-O a5 15. Rhe1 Na6 16. Nd4 Nc5 {1-0 (39) Papadakis,M (2266)-Kersten,J (1971) Nova Gorica 2016}) 11. Bc4 c6 12. Qd2 a5 13. Na4 Qd8 14. Be2 Na6 15. c4 O-O ({Black should try} 15... b5) 16. O-O d5 {intending ...dxc4.} 17. c5 bxc5 18. Bxa6 ({Resist} 18. Nxc5 $6 Nxc5 19. dxc5 Ba6 $16) (18. dxc5 $16 Qe7 19. Rac1 (19. Qxa5 g5 $16)) 18... Bxa6 $14 19. Rfc1 c4 20. Nc5 Re8 21. b3 h6 22. h4 Kh7 23. Nxa6 Rxa6 24. bxc4 dxc4 25. Rxc4 Nh8 26. h5 Qd7 27. Rc5 Rea8 28. Rac1 Qe8 29. Qe2 Rb6 30. Qc4 ({Better is} 30. Qd1 $14) 30... Raa6 31. Qe2 a4 (31... Ra8 $1 $11) 32. d5 $36 {[%mdl 2048] Black is under strong pressure.} cxd5 33. Rc8 Qb5 $2 {[%mdl 8192]} (33... Qxh5 $16 34. Ng5+ {[%mdl 64] Discovered Attack} Kg6 35. Qxh5+ Kxh5 36. Rxh8 Rc6 37. Rxc6 Rxc6) 34. Qxb5 $18 Rxb5 35. Nh4 $2 (35. Re8 Rb7 36. Nd4) 35... Rba5 $2 (35... Rab6 36. Kh2 Rb4) 36. Re8 {[#] And now Rcc8 would win.} Ra8 37. Rxe6 R5a7 38. Rd6 a3 39. Rxd5 Rb8 40. Rdc5 Rb2 41. Rc8 Rab7 42. Ra8 g5 43. hxg6+ (43. Nxf5 $142 Rb1 44. Rxb1 Rxb1+ 45. Kf2) 43... Nxg6 44. Nxg6 ({Inferior is} 44. Nxf5 Nxf4 45. Kh1 Rxg2 $11) 44... Kxg6 45. Rxa3 {[%mdl 4096] Endgame KRR-KRR} R7b4 46. Rf1 Re4 47. Rg3+ Kh5 48. a3 Ra2 49. Rgf3 $2 (49. Rg7 $18) 49... Ree2 $1 $11 {[%cal Re2g2]} 50. R3f2 Rxf2 $1 51. Rxf2 Rxa3 {KR-KR} 52. Rf3 Ra6 (52... Ra1+ $1 $11 53. Kf2 Kg4) 53. g3 (53. Re3 $14) 53... Kg4 54. Re3 Re6 55. Kf2 {Black must now prevent Re1.} h5 $1 56. Re1 {[#] White wants to mate with Rh1.} h4 57. gxh4 {Hoping for Ke3.} Kxh4 $2 {[%mdl 8192]} (57... Kxf4 $11 58. h5 Rxe5) 58. Re2 Kg4 {[%mdl 32768] Accuracy: White = 72%, Black = 47%. . An unexpected result.} 1/2-1/2

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.16"]
[Round "9.1"]
[White "Dominguez Aguilar, Guillermo"]
[Black "Fernandez Cardoso, Alexey"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2321"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,81,13,27,22,-8,0,-29,-27,-30,0,0,14,0,22,15,24,0,0,0,0,0,0,0,10,0,27,25,88,96,153,72,99,70,159,139,171,168,183,51,36,32,32,22,31,0,32,0,64,94,655,629,647,645,790,754,1022,1057,1494,1530,1393,1288,6061,6033,2347,1082,1717,1505,29965,5235]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 e6 5. O-O a6 6. Bd3 Ne7 7. Nxd4 cxd4 8. Ne2 Nc6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 9. Ng3 {[#]} h5 $146 ({Predecessor:} 9... g6 10. f4 Bg7 11. f5 Ne5 12. Be2 d3 13. Bxd3 Nxd3 14. cxd3 exf5 15. exf5 O-O 16. Qf3 {½-½ (37) Papunidi,M (2148)-Silich,Y (2170) Kobrin 2019}) 10. f4 h4 {Black has an edge.} 11. Nh1 Bc5 12. Nf2 d6 13. a3 b5 14. b4 Bb6 15. c4 dxc3 16. dxc3 h3 {Strongly threatening ...hxg2.} 17. g3 Bb7 18. a4 $36 {[%mdl 2048] White has the initiative.} bxa4 19. Rxa4 e5 20. f5 Ne7 (20... a5 $11 {keeps the balance.}) 21. Qe2 $16 Rc8 (21... Kf8 $142) 22. Ra3 (22. Bxa6 $142 Qd7 23. Bxb7 Qxb7 24. Be3 Bxe3 25. Qxe3) 22... d5 23. Be3 d4 (23... dxe4 $14 24. Bxa6 (24. Nxe4 Rh6 $11) (24. Bxe4 Bxe4 25. Nxe4 Bxe3+ 26. Qxe3 Nd5 $14) 24... Bxa6 25. Rxa6 Bxe3 26. Qxe3 O-O) 24. cxd4 exd4 25. Bd2 Nc6 26. Bxa6 (26. e5 $18) 26... Bxa6 $14 27. Qxa6 O-O 28. Nd3 Re8 $1 29. f6 Ne5 30. fxg7 {Threatens to win with Nxe5.} Nxd3 (30... Rc3 $1 $11 31. Nc5 (31. Bxc3 $2 dxc3+ 32. Nf2 Bxf2+ 33. Rxf2 Qd4 $19 {[%mdl 64] Double Attack}) 31... Rxa3 32. Qxa3 Qa8 33. Qxa8 Rxa8) 31. Rxd3 {Hoping for Qb5.} Rxe4 $2 {[%mdl 8192] [#] Now Black is done in.} (31... Qd6 $16) 32. Qb7 $1 $18 Qe8 33. Qxb6 {And now Qh6 would win.} Rc6 34. Qa5 Re5 35. Qa7 Rd6 36. Rxd4 Re7 37. Qa1 (37. Rxd6 Rxa7 38. Bg5 Ra8 $17) 37... Rg6 38. Rh4 {[%csl Ga1,Gg7][%cal Rh4h8]} Rxg7 39. Qf6 {White wants to mate with Bc3.} Re6 40. Qf3 Qd8 {[#]} 41. Bc3 $1 {Accuracy: White = 62%, Black = 51%.} 1-0

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.16"]
[Round "9.2"]
[White "Cofre Archibold, Nestor"]
[Black "Garcia Guerrero, Isaac Antonio"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2304"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,36,8,51,47,59,13,14,-20,-20,-8,-19,-22,32,0,0,0,22,-29,-31,-41,-20,-33,0,-22,-20,-41,0,0,28]} 1. e4 c5 2. Nf3 g6 3. c3 Nf6 4. e5 Nd5 5. h4 h6 6. d4 {B27: Sicilian: 2 Nf3, unusual Black 2nd moves.} cxd4 {[#]} 7. h5 $146 ({Predecessor:} 7. Qxd4 e6 8. c4 Nb4 9. Qc3 N4c6 10. Nbd2 Qc7 11. c5 Qa5 12. Qxa5 Nxa5 13. Ne4 {1-0 (45) Forcen Esteban,D (2567)-Garcia Fernandez,J (2179) Aragon 2019}) 7... g5 $1 8. Qb3 e6 9. cxd4 Nc6 10. Nc3 Qa5 (10... g4 $11 11. Nxd5 exd5) 11. Be3 Bb4 {[%cal Rd5c3]} 12. Rc1 Qb6 13. g4 ({White should try} 13. Nd2) 13... d6 $11 14. exd6 Bd7 15. Be2 Na5 16. Qd1 Qxd6 17. Bd2 Rc8 18. O-O Nc6 {Accuracy: White = 69%, Black = 71%.} 1/2-1/2

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.16"]
[Round "9.3"]
[White "Guerrero Rodriguez, Alejandra"]
[Black "Tello Chavez, Isaac Valent"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2088"]
[BlackElo "2270"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,90,63,42,57,50,61,37,45,18,40,16,54,25,49,27,62,10,29,-8,47,-47,-47,-47,-47,-47,-47,-50,-47,-77,-69,-104,-64,-114,-63,-64,-74,-83,-59,-59,-58,-52,-58,-58,-57,-66,-41,-116,-115,-108,-106,-142,-133,-142,-134,-131,-133,-198,-179,-190,-175,-227,-225,-244,-231,-318,-210,-272,-248,-248,-234,-230,-223,-302,-270,-375,-358,-375,-375,-29997,-29998,-29998,-29999]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 g6 5. Nf3 Bg7 6. Bc4 Nf6 $1 {[%mdl 4] now scores much better than the old 6...Nh6. B01: Scandinavian Defence.} 7. O-O O-O 8. h3 a6 {White is slightly better.} 9. a4 b6 10. Bf4 Nc6 11. Re1 Bb7 12. Qd2 {[#]} Nb4 $146 ({Predecessor:} 12... e6 13. Rad1 Ne7 14. Ne5 Nfd5 15. Nxd5 Nxd5 16. Bh6 Re8 17. Bxg7 Kxg7 18. Ng4 h5 {½-½ (65) Raja,H (2434)-Banusz,T (2626) Benasque 2019}) 13. Be2 (13. Ne5 $14) 13... e6 14. Rad1 Nbd5 (14... Qe7 $11) 15. Bh6 ({White should try} 15. Be5 $14) 15... Nxc3 $15 16. bxc3 Ne4 17. Qe3 $1 {[#]} Nxc3 $1 {[%mdl 576] Double Attack} 18. Bxg7 {Qh6 is the strong threat.} (18. Qxc3 Bxh6) 18... Nxe2+ 19. Qxe2 Kxg7 20. Qe5+ Kg8 21. Ng5 h6 (21... Qd5 $17 22. Qxd5 Bxd5) 22. Ne4 Bxe4 $1 23. Qxe4 Qd5 24. Qf4 Kg7 25. Qxc7 Rfc8 26. Qxb6 Rxc2 27. Re5 Qc6 28. Qb3 {[#] Black converts the advantage convincingly.} (28. Qxc6 $15 Rxc6 29. Rc5) 28... Rd8 $1 $40 {[%mdl 128] Black goes for the king.} 29. d5 {[#]} Qc5 $1 {[%mdl 512]} 30. Qf3 Rc1 31. Ree1 Rxd1 32. Rxd1 Rxd5 {[%mdl 4096] Endgame KQR-KQR} 33. Rb1 (33. Qe2 $17) 33... Qd4 34. Qa3 Rf5 35. Rb2 (35. Qa2 $142) 35... a5 $19 36. g3 h5 37. h4 e5 38. Qa2 Rf3 39. Kg2 Rd3 {Hoping for ...Qe4+.} 40. Re2 Kf6 41. f3 Rd1 {( -> ...Rg1+)} 42. Rf2 Qa1 {Strongly threatening ...Rg1+.} 43. f4 {Threatens to win with fxe5+.} Rg1+ 44. Kf3 $2 (44. Kh3 $19 Rh1+ 45. Kg2 Rg1+ 46. Kh3 Rh1+ 47. Kg2 Rg1+) 44... Qc3+ 45. Ke4 Qd4+ {Accuracy: White = 51%, Black = 78%.} 0-1

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.16"]
[Round "9.4"]
[White "Medina Diaz, Rafael Alejandro"]
[Black "Della Morte, Pablo"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2308"]
[BlackElo "2273"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,24,-8,0,0,0,0]} 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e6 6. Nge2 Nge7 7. O-O O-O 8. a3 d5 9. cxd5 exd5 10. d4 cxd4 11. Nxd4 Nxd4 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} 12. exd4 Nc6 {[#] An uneventful encounter.} {Predecessor:} 13. Be3 $146 Be6 14. b4 Rc8 15. Rc1 Qd7 16. Qd2 Rfe8 17. Ne2 Ne7 18. Nf4 Nf5 19. Nxe6 fxe6 20. Bh3 Nd6 21. Qd3 Rc4 22. Rxc4 Nxc4 23. Re1 Qd6 24. Bc1 {½-½ (24) Lehmann,H (2325)-Thal,O (2310) Germany 1992} 1/2-1/2

[Event "2nd ITT FENAMAC-B 2020"]
[Site "Toluca"]
[Date "2020.03.16"]
[Round "9.5"]
[White "Garcia Almaguer, Juan Manuel"]
[Black "Camacho Collados, Marcos"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2204"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2020.03.12"]
[EventType "tourn"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,96,22,20,22,9,10,31,-1,-4,-11,0,-7,0,-3,-7,-6,0,-14,0,0,22,0,0,0,0,0,0,0,7,0,6,-11,0,0,0,-43,-37,-35,-36,-62,-39,-40,-43,-37,-21,-42,-28,-28,-28,-32,-8,-15,79,91,93,89,120,0,87,0,0,0,0,0,35,26,16,29,93,53,62,12,9,0,0,0,67,0,0,0,45,0,0]} 1. d4 e6 2. Nf3 f5 3. g3 b6 4. Bg2 Bb7 5. c4 Bb4+ 6. Bd2 a5 7. O-O Nf6 8. Nc3 O-O 9. a3 {A84: Dutch Defence: 2 c4 Miscellaneous.} Bxc3 10. Bxc3 a4 {[#]} 11. Qc2 $146 {White is slightly better.} ({Predecessor:} 11. Rc1 d5 12. Ne5 Nbd7 13. Bb4 Re8 14. Qc2 c6 15. Rfd1 Nxe5 16. dxe5 Nd7 17. Bd6 {½-½ (34) Khurtsidze,N (2383)-Zhukova,N (2447) Teheran 2017}) 11... Be4 12. Qd2 Nc6 13. Rfd1 Na5 14. Bxa5 $1 Rxa5 15. Rac1 Qa8 16. Qf4 Qb7 17. Ne1 b5 18. f3 Bc6 19. Qd2 Raa8 20. Nd3 bxc4 21. Rxc4 Qa7 22. Nb4 Bd5 23. Rc3 Bb3 24. Rdc1 c6 25. f4 Rab8 26. e3 Bd5 27. Qc2 g6 28. Qe2 Qa5 29. Rc5 {[%cal Bc3c5,Bc5a5,Ba5a7][%mdl 32]} Qd8 30. h3 Ne4 31. Bxe4 $1 Bxe4 32. Kh2 Qe7 33. Ra5 Rxb4 (33... Ra8 $11 34. Rxa8 Rxa8) 34. axb4 $16 Qxb4 35. Ra7 Rb8 36. g4 ({Inferior is} 36. Rxd7 Qxb2 37. Qxb2 Rxb2+ 38. Kg1 a3 $17) ({White should try} 36. Kg1 $16) 36... h6 (36... g5 $11 {remains equal.}) 37. Rg1 ({Much weaker is} 37. Rxd7 Qxb2 38. Qxb2 Rxb2+ 39. Kg3 a3 $15) (37. Ra1 $16) 37... Qxb2 $11 38. Qxb2 Rxb2+ {[%mdl 4096] Endgame KRR-KRB} 39. Kg3 Re2 40. gxf5 Bxf5 ({Of course not} 40... Rxe3+ 41. Kf2 $16) 41. Kf3 Rb2 (41... Rh2 $11 {keeps the balance.}) 42. Rxd7 {And now Rc1 would win.} a3 43. Ra7 a2 44. Ra1 Bb1 45. Re7 Bd3 (45... Rh2 $11) 46. Ra7 (46. Rxe6 $14 Rc2 47. h4) 46... Bb1 47. Re7 Bf5 48. Ra7 (48. e4 $5 {[%cal Re4f5]} Bxh3 49. Ra7 $14) 48... Bb1 {Accuracy: White = 72%, Black = 76%.} 1/2-1/2

