[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.1"]
[White "Cori T., Deysi"]
[Black "Cordero, Daniela"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2406"]
[BlackElo "2085"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,52,9,16,8,4,17,0,0,0,-18,-12,-56,18,-39,-28,-34,-35,-170,-185,-247,-252,-239,-265,-269,-258,-263,-99,-99,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. b3 d5 3. Bb2 e6 4. c4 Bd6 5. g3 O-O 6. Bg2 b6 {A13: English Opening: 1...e6} 7. O-O Bb7 {LiveBook: 27 Games} 8. d3 (8. Nc3 a6 9. e3 Nbd7 10. Qe2 Qe7 11. d3 Ba3 12. cxd5 Bxb2 13. Qxb2 Nxd5 14. Nxd5 Bxd5 {½-½ (34) Rakhmanov,A (2664)-Ponkratov,P (2596) Khanty-Mansiysk 2016}) 8... c5 9. cxd5 $146 ({Predecessor:} 9. Nbd2 Nc6 10. Qc2 Qe7 11. cxd5 exd5 12. Rfe1 Rad8 13. Rac1 Rfe8 14. Nh4 {½-½ (50) Ustinov,A (2117)-Sakorenko,A (1942) St Petersburg 2016}) 9... exd5 10. Nh4 Re8 11. Nf5 Bf8 12. d4 Nbd7 (12... Nc6 $15) 13. dxc5 (13. Nc3 $11) 13... bxc5 $15 14. Nc3 {[%cal Rc3d5]} Nb6 15. Qc1 ({White should play} 15. Qc2 $15) 15... Qd7 $1 $19 {[%cal Rd7f5]} 16. Qg5 (16. e4 $142) 16... d4 17. Bxb7 Qxb7 18. Nb5 Rad8 ({But not} 18... Rxe2 $2 19. Nbd6 $18) 19. Rac1 {[%cal Rb2d4] [#]} a6 $2 ({Stronger than} 19... Rxe2 {[#]} 20. Rxc5 $3 {[%mdl 512]} Rd7 21. Bxd4 $14) (19... Ne4 $1 $19 {[%cal Re4g5] is more deadly.} 20. Qg4 Nd5 21. Nfxd4 cxd4 22. Nxd4 Qa6) 20. Bxd4 $17 cxd4 ({Black should try} 20... Ne4 $17 21. Nbd6 Nxg5 22. Nxb7 Rxd4 23. Nxd4 cxd4) 21. Rc7 $36 {[%mdl 2048] The position is equal. White is pushing.} Qd5 22. Nh6+ $1 Kh8 23. Nxf7+ Kg8 {Strongly threatening ...Qxg5.} 24. Nh6+ $1 Kh8 25. Nf7+ Kg8 {aiming for ...Qxg5.} 26. Nh6+ $1 Kh8 {Precision: White = 35%, Black = 58%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.2"]
[White "Besso, Guadalupe"]
[Black "Llaudy Pupo, Lisandra"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2069"]
[BlackElo "2302"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,68,20,18,32,24,37,18,34,18,15,1,33,18,32,11,20,20,41,6,14,14,27,9,28,29,43,22,14,25,49,53,50,32,207,73,143,-110,-92,-152,-154,-166,-183,-162,-187,-326,-315,-451,-431,-702,-619,-1155,-1134,-1662,-1662,-1874,-1796]} 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. Nc3 b6 6. e3 Bb7 7. Bd3 O-O 8. O-O d6 {E11: Bogo-Indian} (8... a5 9. a3 Bxc3 10. Bxc3 Ne4 11. Be1 f5 12. Nd2 Ng5 13. f4 Nf7 14. e4 Nh6 15. Qe2 d6 16. Nf3 {1-0 (40) Shankland,S (2661)-Saric,I (2660) Biel 2016}) 9. a3 Bxc3 $1 10. Bxc3 Ne4 {The position is equal.} 11. Bxe4 Bxe4 12. Qe2 f5 $146 ({Predecessor:} 12... Nd7 13. Nd2 Bb7 14. e4 c5 {0-1 (39) Metaxasz,V (2140)-Horvath,G (2356) Hungary 2011}) 13. Nd2 Bb7 14. f3 Nd7 15. b4 Rf6 16. c5 Rh6 17. Rfe1 Qh4 18. Nf1 Nf6 19. Bd2 Rg6 20. cxd6 cxd6 21. Qf2 Qh5 {Strongly threatening ...Qxf3.} 22. Ng3 Qg5 23. Rac1 h5 $2 {[#]} (23... Ne8 $14) 24. Rc7 (24. e4 $1 $18 {is the precise move to win.} f4 25. Ne2) 24... Rb8 ({Black should play} 24... Ba6) 25. d5 $2 {[%mdl 8192]} (25. e4 $16 {is necessary to keep the advantage.} f4 26. Ne2) 25... h4 $17 {[%cal Bh5h4,Bh4h3][%mdl 32]} ({Of course not} 25... Nxd5 $6 26. e4 $11) 26. Nf1 ({Better is} 26. Ne2 Nxd5 27. Rd7) 26... Nxd5 27. Rcc1 h3 $36 {[%cal Rg5g2][%mdl 2048] Black is really pushing.} 28. g3 {intending e4.} Qh5 29. Rc4 (29. Qe2 $142) 29... Nf6 $19 {[%cal Bd5f6,Bf6g4,Bg4e5,Be5f3][%mdl 32]} 30. e4 (30. Bc3 $142 b5 31. Rd4) 30... fxe4 {Black is clearly winning.} 31. fxe4 (31. Bc3 $142) 31... Ng4 32. Qd4 Ne5 33. Qxd6 Rf8 {[#] ( -> ...Qf3)} 34. Rc3 Nf3+ {[%mdl 64] Double Attack. Accuracy: White = 31%, Black = 45%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.3"]
[White "Castrillon Gomez, Melissa"]
[Black "Gonzalez Ochoa, Yoana"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2301"]
[BlackElo "2058"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,122,30,27,-6,0,-8,-8,-26,-41,-27,18,21,24,22,19,15,28,0,0,0,0,0,-13,-22,0,-20,0,-49,-71,-67,-29,-31,-36,-41,49,-17,-17,-47,0,-33,-54,-42,-46,-55,-58,-53,-64,-73,-83,-91,-70,-93,-81,-85,-92,-37,-98,-90,-91,-201,-195,-186,-105,-105,-108,-108,-108,-111,-103,-118,-116,-120,-120,-116,-91,-91,-66,-133,-133,-133,-133,-133,-133,-133,-133,-133,-133,-305,-262,-454,-430,-414,-375,-439,-518,-639,-625,-947,-912,-2894,-3192,-29968,-29963,-29985,-29986,-29986,-29987,-29990,-29991,-29991,-29992]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 a6 5. Bd3 Bg4 6. b3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} (6. Nbd2 e6 7. b3 c5 8. Bb2 cxd4 9. exd4 Nc6 10. O-O Be7 11. a3 O-O 12. c5 Re8 13. b4 Bf8 {0-1 (30) Karjakin,S (2760)-Eljanov,P (2711) Riadh 2017}) 6... Nbd7 {[%cal Bb8d7,Bd7c5,Bc5e4][%mdl 32]} 7. Bb2 e6 {LiveBook: 7 Games} 8. Qc2 $146 {White has an edge.} ({Predecessor:} 8. Nbd2 Bd6 9. Qc2 Qb8 10. O-O Bh5 11. h3 O-O 12. Ng5 h6 13. Ngf3 Bxf3 14. Nxf3 {½-½ (47) Berkes,F (2630)-Movsesian,S (2629) Mallorca 2004}) 8... Bxf3 9. gxf3 c5 10. f4 cxd4 11. Bxd4 Nc5 12. Be2 Nce4 13. O-O Rc8 14. Nd2 Bc5 15. Bxc5 Rxc5 16. Nxe4 Nxe4 17. b4 Rc6 18. c5 O-O 19. f3 Nf6 20. Bd3 d4 21. Rad1 Qc7 (21... Nd5 $5 {[%cal Rd5e3]} 22. Bxh7+ Kh8 23. Rxd4 g6 $11) 22. exd4 Qxf4 23. Be4 Nd5 (23... Rc7 $15) 24. Qd2 (24. Bxh7+ $14 Kh8 25. Be4) 24... Qh4 $11 25. Kh1 Re8 26. Rde1 {[#] Bxd5 is the strong threat.} Rd8 27. a4 Rc7 28. Rg1 Rcd7 29. Rg4 Qf6 30. Reg1 g6 31. b5 axb5 32. axb5 Ne7 33. Qh6 Qg7 34. Qxg7+ Kxg7 35. R4g2 f5 36. c6 (36. Bc2 $17) 36... bxc6 $19 ({Not} 36... fxe4 37. cxd7 exf3 38. Rf2 $11) 37. Bxc6 Nxc6 ({Black should try} 37... Rxd4 $19 38. Rc2 Rb4) 38. bxc6 {[%mdl 4096] Endgame KRR-KRR} Rc7 39. Rc2 Rxd4 40. Rb1 Kf6 41. Kg2 Rd6 42. Rbc1 e5 43. Kf2 g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 44. Ke2 h5 45. Rc5 (45. h3 $1 $15) 45... g4 $17 46. R1c2 f4 47. Kf2 Ke6 48. Ke2 Rd5 {[#] aiming for ...Rxc5.} 49. R5c4 Kf5 50. R2c3 $2 (50. R4c3 $17 {only move.}) 50... Ra5 51. Rc2 $2 (51. Kf1) 51... Ra3 $19 52. fxg4+ hxg4 53. Kf2 e4 {[%cal Be5e4,Be4e3][%mdl 32]} 54. Rc5+ Ke6 55. R2c4 e3+ 56. Kg2 Ra2+ 57. Kg1 f3 {Black mates.} 58. Re4+ Kd6 59. Rc1 Rg2+ 60. Kh1 Rh7 {[%csl Gg2][%cal Rh7h2]} 61. Rd1+ Kxc6 {Precision: White = 46%, Black = 74%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.4"]
[White "Munoz Monroy, Cinthya Carolina"]
[Black "Rodriguez Rueda, Paula Andrea"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2032"]
[BlackElo "2275"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,70,13,21,0,0,-4,20,20,25,-10,-7,0,44,-29,14,-10,8,-20,-23,-27,-14,-70,-72,-78,-67,-77,-76,-86,-94,-87,-97,-108,-108,-120,-130,-206,-208,-439,-438,-439,-438,-436,-432,-642,-479,-630,-556,-590,-565,-594,-581,-1694,-1675,-1412,-1288]} 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. g3 d6 6. exd6 Bxd6 7. Bg2 O-O 8. O-O Nc6 9. d4 Qc7 {LiveBook: 3 Games. B22: Sicilian: 2 c3} (9... cxd4 10. Nxd4 Bd7 11. Nxc6 Bxc6 12. Nd2 Rc8 13. Re1 b5 14. Nf3 a6 15. Qd3 Bc5 16. Qe2 Nb6 17. Be3 Bxe3 18. Qxe3 {½-½ (26) Rakhmanov,A (2640)-Pantsulaia,L (2598) Al Ain 2015}) 10. dxc5 Bxc5 11. Nbd2 b6 $146 {The position is equal.} ({Predecessor:} 11... Nf6 12. Qe2 e5 13. Ne4 Be7 14. Nxf6+ Bxf6 15. Bg5 Bxg5 16. Nxg5 h6 17. Ne4 {1-0 (63) Finnbogadottir,T (1931)-Vigfusson,V (1957) Reykjavik 2016}) 12. Ne4 {Hoping for c4.} Ba6 13. Re1 Be7 14. Qa4 Qb7 15. Nd4 ({Better is} 15. Bg5 $14) 15... b5 16. Qd1 Rad8 17. Nxc6 Qxc6 18. Qh5 Qb6 19. Bg5 ({White should play} 19. a3 $11) 19... Bxg5 $15 20. Nxg5 {[%csl Gg5][%cal Rh5h7]} h6 {And now ...Nf6 would win.} 21. Nf3 b4 22. Qe5 bxc3 23. bxc3 Rc8 24. Rac1 Rc5 $36 {[%mdl 2048] Threatens to win with ...Nxc3. Black is on the roll.} 25. Qd4 Rfc8 {[%cal Rd5c3]} 26. Ne5 (26. c4 $17 Bxc4 27. a3) 26... Nxc3 $19 ({Resist} 26... Rxc3 27. Qxb6 Nxb6 28. Rxc3 $17) 27. Rc2 $2 {[#]} (27. Kh1) 27... Ne2+ $1 {[%mdl 512] Black is clearly winning.} 28. Rcxe2 Bxe2 29. Qf4 Bh5 30. Be4 (30. Bf1 $142) 30... Qc7 31. Bd3 Rc1 32. Rf1 Rxf1+ 33. Bxf1 f6 {[%cal Bf7f6,Bf6e5][%mdl 32]} 34. Bc4 fxe5 35. Bxe6+ Bf7 {Accuracy: White = 26%, Black = 69%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.5"]
[White "Arribas Robaina, Maritza"]
[Black "Caballero Quijano, Mitzy Mishell"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2257"]
[BlackElo "1992"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,71,50,46,51,41,87,72,72,74,68,74,62,56,81,57,145,154,247,250,292,286,410,163,135,146,273,115,115,115,115,115,108,109,118,97,184,177,193,193,245,250,532,489,615,626,879,872,812,799,835,834]} 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 Be7 8. O-O O-O 9. Bg5 c5 10. dxc5 Bxc5 11. Qe2 h6 12. Bh4 {LiveBook: 3 Games} Be7 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} (12... Qc7 13. Rad1 Bd7 14. Ne5 Rfd8 15. Bxf6 gxf6 16. Qg4+ Kf8 17. Nxf7 e5 18. Qg6 Be8 19. Nxd8 {1-0 (19) Kveinys,A (2519)-Brazdzionis,A (2283) Panevezys 2018}) 13. Rfe1 Nd7 $146 ({Predecessor:} 13... Qa5 14. Ne5 Nd5 15. Bg3 Rd8 16. Qh5 Rf8 17. Ng4 Bg5 18. h4 Bd2 19. Re5 Qd8 20. Rd1 Bf4 21. Rxd5 exd5 22. Bxf4 Bxg4 23. Qxg4 f5 24. Bxf5 Qf6 25. Be6+ Kh8 26. Be3 Qe7 27. Bxd5 {1-0 (27) Braga,J (1938)-Monte,E (1653) Joao Pessoa 2014}) 14. Bg3 Nc5 {[#]White is better.} 15. Bc4 $1 Qb6 16. c3 Bd7 17. Rad1 Rad8 18. Ne5 {Black must now prevent b4.} Bc8 (18... Bc6 $14) 19. b4 $16 Na6 (19... Na4 $16) 20. a4 $18 Rxd1 21. Rxd1 ({Not} 21. Qxd1 Qd8 $16) 21... Rd8 (21... Nxb4 $142 22. Rb1 {[%mdl 64] Pin} a5 23. cxb4 axb4) 22. a5 $2 (22. Bd3 Nxb4 23. cxb4) 22... Rxd1+ 23. Qxd1 Qc7 {[#]} (23... Qd8 $16 24. Qh5 Qf8) 24. Qd3 (24. Ng6 $1 $18 {[%mdl 512]} Qd8 (24... fxg6 25. Bxc7) 25. Nxe7+ Qxe7 26. Qd4) 24... Bd6 $16 25. Bxa6 bxa6 26. Nc4 $36 {[%mdl 2048] White is really pushing.} Bxg3 27. hxg3 Kf8 28. Qd4 f6 (28... Bd7 $16) 29. Nd6 $18 Bd7 30. c4 {[%cal Bc3c4,Bc4c5][%mdl 32]} Ke7 (30... Be8 {is a better defense.} 31. c5 Qc6) 31. c5 e5 $2 (31... h5 32. Qe4 Qb8) 32. Qc4 {Qf7+ would kill now.White is clearly winning.} Be6 33. Qxa6 Bd7 34. Qc4 {Intending Qf7+ and mate.} Be6 35. Qe4 a6 36. Qa8 {Accuracy: White = 55%, Black = 26%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.6"]
[White "Barria Baker, Raisa Melissa"]
[Black "Marrero Lopez, Yaniet"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1941"]
[BlackElo "2253"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,62,0,7,18,0,10,20,25,-44,-45,-55,-18,-18,16,16,15,25,11,16,34,0,47,58,82,-79,-57,-78,-80,-223,-235,-287,-308,-322,-318,-377,-393,-380,-322,-469,-458,-1263,-1236,-1081,-1046,-3104,-2787]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O d5 6. b3 Bd6 {D05: Colle System with ...e6} 7. Bb2 (7. c4 O-O 8. cxd5 exd5 9. Ba3 c5 10. Nc3 Nbd7 11. Rc1 Re8 12. Bf5 Bf8 13. dxc5 Nxc5 14. Bb2 g6 15. Bh3 {0-1 (55) Dominguez Perez,L (2739)-So,W (2788) Saint Louis 2017}) 7... c5 8. c4 cxd4 9. exd4 O-O 10. Nc3 {LiveBook: 3 Games} Nbd7 11. Re1 a6 $146 ({Predecessor:} 11... Rc8 12. Rc1 dxc4 13. bxc4 a6 14. Ne5 Qe7 15. Qe2 Rfd8 {0-1 (62) Bettalli,F (2163)-Nesterov,A (2380) Montevideo 2017}) 12. Ne5 dxc4 13. Bxc4 ({Better is} 13. bxc4 $11 Rc8 14. Re3) 13... b5 $15 14. Bd3 Nb6 (14... Rc8 {with more complications.} 15. Re3 Bb4 16. Ne2 Nd5 17. Rh3 h6) 15. Re3 Nbd5 16. Nxd5 Bxd5 17. Rh3 h6 18. Qe2 Qb6 19. g4 Qb7 {[#]} 20. g5 $1 {[%mdl 512]} hxg5 {[#]} 21. Ng4 $2 (21. Bc1 $1 $16 {and life is bright.}) 21... Rfd8 22. Nxf6+ gxf6 23. Qh5 (23. Rh7 $17) 23... Kf8 $19 24. Re1 Ke7 25. Qg4 Rh8 26. Bc1 Rxh3 27. Qxh3 Rg8 {[%cal Ba8g8,Bg8h8,Bh8h4][%mdl 32]} 28. Bf1 (28. Bd2 {is a better defense.}) 28... Qb8 {Hoping for ...Rh8.Black is clearly winning.} 29. f3 (29. Bg2 $142 Rh8 30. Qd3) 29... Rh8 30. Qg4 Rh4 31. Qf5 Bxh2+ {Accuracy: White = 26%, Black = 42%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.7"]
[White "Miranda Rodriguez, Tania"]
[Black "Toro Castaneda, Elizabeht"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2246"]
[BlackElo "1932"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,63,27,27,27,28,30,34,9,6,0,7,2,-5,-22,4,-20,-24,-32,-25,-29,-16,-18,-15,-25,27,35,130,136,201,201,193,191,187,190,531,552,543,534,515,512,29988,29989,29989,29990]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} c5 12. Nf1 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} Re8 13. Ng3 Bf8 14. Bc2 {White is slightly better.} (14. a4 {with more complications.} Bb7 15. d5 c4 16. Bc2 g6 17. Be3) 14... cxd4 15. cxd4 exd4 16. Nxd4 (16. Bf4 Bb7 17. Nxd4 g6 18. Qd2 Nc5 19. Bg5 Bg7 {½-½ (37) Karjakin,S (2760)-Kovalev,V (2664) Batumi 2018}) 16... d5 17. Bg5 {[#]} h6 $146 ({Predecessor:} 17... Bb7 18. e5 Rxe5 19. Rxe5 Nxe5 {0-1 (33) Veys,V (2109)-Glud,J (2514) Cappelle-la-Grande 2013}) 18. Bf4 dxe4 19. Nxe4 Bb7 $1 {[%cal Rf6e4]} 20. Nd6 {aiming for Rxe8.} Rxe1+ 21. Qxe1 Bxd6 22. Bxd6 Qb6 (22... Bxg2 $142 $1 23. Kxg2 Qb6) 23. Nf5 $1 $11 Bxg2 {[#]} ({Black should try} 23... Re8 $14 24. Ne7+ Kh8) 24. Qc3 $1 $16 {[%cal Rc3g3]} ({And not} 24. Kxg2 Qc6+ 25. Be4 Qxe4+ 26. Qxe4 Nxe4 $15) 24... Bb7 (24... g6 $16) 25. Qg3 $1 $18 {[%csl Gf5,LRg7,LRh6][%cal Rg3g7]} g6 26. Nxh6+ Kg7 {[#]} 27. Nxf7 $1 $40 {[%csl Gc2][%cal Rg3g6][%mdl 640] White attacks with force.} Ne4 $2 (27... Be4) (27... Kxf7 28. Bxg6+) 28. Bxe4 Bxe4 29. Ng5 Re8 30. Qb3 {Qf7+ would kill now.} Qd8 (30... Qxd6 $18 31. Qf7+ {[%mdl 64] Double Attack} Kh6) 31. Qf7+ Kh6 32. Bf4 {Accuracy: White = 74%, Black = 46%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.8"]
[White "Prado, Alexandra"]
[Black "Perez Rodriguez, Jennifer"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1873"]
[BlackElo "2203"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,36,21,21,23,5,4,0,14,-25,-14,-32,-29,-23,0,0,0,-17,-22,-49,-49,-69,-69,-81,-79]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bb4+ 5. c3 Bc5 6. Be3 Bb6 7. Bc4 d6 {C45: Scotch Game} (7... Nf6 8. Nxc6 bxc6 9. Bxb6 axb6 10. e5 Nd5 11. O-O O-O 12. Bxd5 cxd5 13. Qxd5 Ra5 14. Qd4 Bb7 15. f4 {½-½ (75) Laznicka,V (2681)-Babula,V (2584) Brno 2013}) 8. Nd2 {LiveBook: 3 Games} Nf6 9. h3 O-O {The position is equal.} 10. O-O Nxd4 $146 (10... Re8 {looks sharper.} 11. Nxc6 bxc6 12. Re1 d5 13. Bd3 dxe4 14. Nxe4 Bf5) ({Predecessor:} 10... h6 11. Nc2 Re8 12. Bxb6 axb6 13. Ne3 Be6 14. Nd5 Ne5 15. Bb3 Bxd5 16. exd5 {½-½ (46) Ganor,D (2377)-Grinshpun,E (2416) Israel 2007}) 11. cxd4 d5 12. exd5 Nxd5 13. Nf3 Nxe3 14. fxe3 Qe7 15. Ne5 Be6 16. Qf3 f6 17. Bxe6+ Qxe6 18. Nd3 Rfe8 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.9"]
[White "Fernandez, Maria Florencia"]
[Black "Gomez Guardo, Laura Meli"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2198"]
[BlackElo "1842"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,81,7,6,0,0,0,18,0,0,0,0,6,18,-100,-90,-84,66,64,93,86,301,71,102,87,668,242,231,239,235,115,176,127,186,134,170,157,179,130,139,0,262,284,507,56,52,54,77,43,60,0,389,377,328,209,805,789,922,931,850,-783,1004,1000,933,-29987,29973,29975,29981,29982]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d6 6. Bg5 Nbd7 7. e3 Be7 8. Bd3 O-O 9. O-O {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7} c5 10. Rc1 d5 11. cxd5 {The position is equal.} Nxd5 12. Bxe7 Qxe7 13. Ne4 $146 ({Predecessor:} 13. Nxd5 Bxd5 14. e4 Bb7 15. b4 {½-½ (41) Schleining,Z (2368)-Stefanova,A (2497) Belgrade 2013}) 13... f5 14. Neg5 (14. Ned2 $11) 14... h6 $17 15. Nh3 N5f6 (15... g5 $17 16. Ne5 Nxe5 17. dxe5 Rad8) 16. Nf4 $14 {Black must now prevent Ng6.} Kh7 17. Nh4 Rae8 $2 {[#]} (17... Rf7 $16) 18. Nxf5 $2 (18. Nxe6 $1 $18 {[%mdl 512]} g6 (18... Qxe6 19. Bxf5+) 19. Nxf8+ Rxf8 20. Nf3) 18... exf5 $16 19. Bxf5+ g6 $2 {[%mdl 8192]} (19... Kg8 $16) 20. Bxg6+ $2 (20. Nxg6 Qg7 21. Nxf8+ {[%mdl 64] Discovered Attack (Double check)} Kg8 22. Ng6) 20... Kg7 $18 21. Bxe8 Rxe8 22. d5 (22. dxc5 $18 {and White stays clearly on top.} Nxc5 23. b4) 22... Ne5 (22... Qe4 $16) 23. f3 Qd6 (23... Ng6 $16 24. Ne6+ Kh7) 24. Ne6+ (24. Qd2 $18) 24... Kf7 25. e4 Ba6 26. Qd2 Bxf1 27. Qxh6 (27. Rxf1 $16 Rxe6 28. dxe6+ Qxe6 29. Qxh6) 27... Rg8 $2 {[%mdl 8192]} (27... Rxe6 $1 $11 28. dxe6+ Kxe6 29. Rxf1 Qd4+ 30. Kh1 Qxb2) 28. Rxf1 Nd3 $2 (28... Qe7 29. f4 Neg4) 29. Qd2 $2 (29. f4 $18) 29... c4 $14 {Threatening ...Nxd5.} 30. b3 $36 {[%mdl 2048] White fights for an advantage.} b5 {...Nxd5 is the strong threat.} 31. bxc4 (31. Rb1 {is more complex.} Qb6+ 32. Kf1 Qd6 33. g3 Qxa3 34. Nd4) 31... bxc4 32. Rb1 ({Better is} 32. g3 $14) 32... Nxd5 $2 {[%mdl 8192]} (32... Qxa3 $11 {and Black stays safe.} 33. g3 (33. Rb7+ Ke8 $11) 33... Ne5) 33. exd5 $18 Qxd5 34. Qe3 Qxe6 $2 (34... c3) 35. Qxa7+ Qe7 36. Rb7 Re8 37. a4 $4 {[%mdl 8192]} ({And not} 37. Rxe7+ Rxe7 38. Qa5 Re1+ 39. Qxe1 Nxe1 $15) (37. h4 $18 Nf4 38. Rxe7+ Rxe7 39. Qc5) 37... Nf4 $4 {[%mdl 8192]} (37... c3 $19 38. Qa6 {[#]} Qxb7 $1 {[%mdl 576] Promotion} 39. Qxb7+ Kf8) 38. Rxe7+ Rxe7 39. Qc5 $4 {[%mdl 8192]} (39. Qa5 $18) 39... Ne2+ $4 {[%mdl 8192]} (39... Re1+ 40. Kf2 Nd3+ {[%mdl 64] Double Attack} 41. Kg3 Nxc5 42. f4 c3 43. Kg4 c2 44. Kg5 c1=Q 45. Kg4 Re2 46. g3 Rxh2 47. Kg5 Qe3 48. Kg4 Qe2+ 49. Kg5 Rh5#) 40. Kf2 c3 {[#]} 41. Qxe7+ $3 {[%mdl 512] Accuracy: White = 29%, Black = 24%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.10"]
[White "Cosme Contreras, Trilce"]
[Black "Aliaga Fernandez, Ingrid Y"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1829"]
[BlackElo "2194"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,90,-19,15,8,10,5,12,0,3,0,21,20,16,18,40,47,43,47,52,45,74,62,67,53,65,60,144,25,233,39,37,43,68,18,70,39,87,80,76,71,111,80,90,50,72,88,78,66,85,75,77,43,88,60,62,29,175,175,169,168,182,167,186,181,175,170,191]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bg3 b6 9. Be2 Bb7 10. cxd5 exd5 11. O-O Nxg3 12. hxg3 Nd7 13. Rc1 a6 14. Qb3 {D58: Queen's Gambit Declined: Tartakower Defence} Nf6 (14... c6 15. Rfd1 Bd6 16. e4 dxe4 17. Nxe4 Bc7 18. Nc5 Bc8 19. Nxd7 Bxd7 20. d5 c5 21. d6 Bb8 {0-1 (63) Kaiser,W (2410)-Hedke,F (2370) Germany 1995}) 15. Ne5 Qd6 $146 ({Predecessor:} 15... Bd6 16. Bf3 c6 17. Na4 Bxe5 18. dxe5 {0-1 (35) Mahmoud,A (2166)-De Silva,N (2230) Aden 2002}) 16. Bf3 {The position is equal.} Rab8 17. Na4 {[%cal Bc3a4,Ba4b2,Bb2d3,Bd3e5][%mdl 32]} Ba8 18. Qc3 Rbc8 19. Nc6 Bd8 20. b3 Bb7 21. Nb2 Ne4 22. Qc2 $1 Nf6 23. Nd3 Re8 24. Nde5 Be7 25. Qf5 Bf8 (25... Ra8 $14) 26. Rc2 (26. Bh5 $16 Nxh5 27. Qxf7+ (27. Qxh5 Qe6 $15) 27... Kh7 28. Qxh5) 26... Ra8 $2 {[#]} (26... Qe6 $11 {and Black has nothing to worry.} 27. Qxe6 Rxe6) 27. Rfc1 $2 (27. Bh5 $1 $18 {[%cal Rh5f7]} Nxh5 28. Qxf7+ (28. Qxh5 Qe6 $11) 28... Kh7 29. Qxh5) 27... Bc8 28. Qd3 Be6 29. g4 Rec8 ({Better is} 29... a5 $11) 30. Qd1 Nh7 31. Nd3 Ng5 32. Nf4 Nh7 33. g3 Nf6 34. Nd3 Qd7 {[%cal Rf6g4]} 35. Nde5 Qe8 36. Bg2 Ba3 37. Rb1 Bd6 38. b4 Nh7 39. Rbc1 f6 40. Nd3 Bf7 (40... Ng5 $11) 41. Nf4 $18 {White is clearly better.} Bxf4 42. gxf4 Qd7 43. Qf3 Re8 44. a4 Qd6 45. Rc3 Kh8 {Precision: White = 55%, Black = 30%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.11"]
[White "Franco Valencia, Beatriz Irene"]
[Black "Moncada Correa, Sara"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2191"]
[BlackElo "1792"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,79,-18,0,-29,-29,-29,-18,-17,0,0,15,16,16,11,18,0,0,-6,1,-7,-11,-27,-6,-33,0,-26,11,6,70,68,53,47,44,51,77,20,75,24,38,23,26,27,36,29,31,18,35,27,47,37,53,40,106,110,99,37,94,94,98,102,904,896,889,882,1904,1550]} 1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 c6 5. Qb3 Qc7 6. Nc3 e6 7. Be2 Be7 8. O-O Nbd7 9. Bd2 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} O-O 10. Rfc1 dxc4 $146 ({Predecessor:} 10... Rac8 11. h3 h6 12. a4 dxc4 13. Bxc4 Ne4 14. Be1 c5 15. d5 Nxc3 16. Bxc3 exd5 17. Bxd5 {½-½ (64) Kaspi,A (2438)-Reshef,O (2275) Jerusalem 2014}) 11. Bxc4 {The position is equal.} Nb6 12. Be2 Ne4 13. Nxe4 Bxe4 14. Ba5 Bd5 15. Qc2 f5 $1 16. h3 Bd6 17. Nd2 Qe7 18. Bf3 Nd7 19. Bc3 Kh8 20. a3 Bxf3 21. Nxf3 e5 ({Black should try} 21... Nf6 $11) 22. dxe5 $14 Nxe5 23. Nd4 Qf7 24. Rd1 {Strongly threatening Nxf5.} Rad8 25. Ne2 ({Better is} 25. Bb4 $16) 25... Bc7 (25... Ng6 $11) 26. Nf4 (26. Ng3 $16) 26... Rfe8 27. Rd4 Rxd4 28. Bxd4 Bb8 29. Qc3 Kg8 30. b4 h6 31. a4 g5 32. Nd3 Nxd3 33. Qxd3 Be5 (33... Qd5 $14) 34. Bxe5 $16 Rxe5 {[%mdl 4096] Endgame KQR-KQR} 35. Qd4 (35. Qd6 $16 Qg7 36. Rd1) 35... Re4 (35... Qg7 $1 $14) 36. Qxa7 Rxb4 37. Rd1 Qc7 $2 {[%mdl 8192]} (37... Re4 $16) 38. Qa8+ $18 {White is clearly winning.} ({Not} 38. Qc5 Rxa4 39. Qxf5 Ra8 $18) 38... Kg7 39. Qe8 {[#] Black must now prevent Rd7+.} Kf6 40. Qf8+ {[%mdl 64] Double Attack. Accuracy: White = 39%, Black = 18%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.12"]
[White "Ocampo, Cristina"]
[Black "Rivera, Ingris"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1771"]
[BlackElo "2188"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,68,26,32,72,76,62,31,40,39,45,51,90,82,66,26,25,35,64,0,0,0,0,0,-2,-39,-34,-78,-73,-78,-74,-68,-63,-62,-47,-64,-39,-87,-82,-93,-79,-89,-85,-218,-220,-223,-210,-197,-204,-419,-460,-475,-447,-1164,-1162,-1258,-1218]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be6 8. Ng5 {LiveBook: 7 Games. B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (8. Be2 h6 9. O-O Nbd7 10. Nh4 Rc8 11. Bf3 g6 12. g3 Qc7 13. a5 Bg7 14. Be3 Qb8 15. Qd2 Rc6 {1-0 (42) Zelcic,R (2559)-Loncar,R (2358) Zagreb 2014}) 8... Be7 9. Nxe6 fxe6 10. Bc4 {White is slightly better.} Qc8 11. Bb3 Nc6 {[%cal Bb8c6,Bc6a5,Ba5c4][%mdl 32]} 12. Be3 $146 ({Predecessor:} 12. O-O Na5 13. Ba2 O-O 14. Qd3 Kh8 15. Be3 Nc6 {½-½ (29) Masserey,Y (2336)-Dubeck,M (2208) Switzerland 2004}) 12... Na5 13. Ba2 $1 Nc4 14. Bc1 Qc6 15. Qd3 Rc8 {[#]} 16. O-O (16. a5 $1 $14 {[%mdl 512]}) 16... O-O $11 17. Qh3 d5 18. Bxc4 dxc4 19. Bg5 Bc5 20. Be3 Bd4 21. Bg5 Rc7 22. Rae1 Rcf7 {White must now prevent ...Ng4!} 23. Re2 Nd7 24. Nd1 h6 25. Bh4 Re8 26. c3 Bb6 27. Bg3 Qxa4 28. Ne3 {[#]} (28. Kh1 $17) 28... Bxe3 $1 $19 29. Rxe3 {[#]} Qc2 $1 30. Qh5 Qxb2 31. Bxe5 $2 (31. h3 {was worth a try.}) 31... Qb5 32. f4 {Black is clearly winning.} Ref8 33. Rd1 (33. Ref3 $142 Qc5+ 34. Kh1) 33... Rxf4 34. Bxf4 Qxh5 {Accuracy: White = 41%, Black = 73%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.13"]
[White "Roca Rojas, Ana Flavia"]
[Black "Zapata, Olga Maria"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2132"]
[BlackElo "1695"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,56,36,37,34,86,75,81,23,82,75,52,25,246,129,169,186,235,231,433,210,209,210,581,609,581,598,725,517,828,797,1984,734,29993,29989,29994,1450,833,435,29998]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bf5 6. Bc4 e6 7. Bd2 Nf6 8. Nd5 Qd8 9. Nxf6+ Qxf6 10. Qe2 Bg4 11. O-O-O {[%cal Be1c1,Bc1b1,Bb1a1][%mdl 32] B01: Scandinavian Defence} Bxf3 ({Black should try} 11... Be7 $14) (11... Nd7 12. d5 Ba3 13. c3 cxd5 14. Bxd5 O-O 15. Be4 Be7 16. h3 Bxf3 17. Qxf3 Nc5 18. Qxf6 Bxf6 {1-0 (51) Alekseev,E (2682)-Ghaem Maghami,E (2573) Baku 2012}) 12. gxf3 $16 Nd7 13. h4 (13. d5 $16 {[%cal Rd5e6]} Ba3 14. c3 cxd5 15. Bxd5) 13... h6 $146 (13... Bd6 $11 {keeps the balance.}) ({Predecessor:} 13... Bd6 14. Kb1 Qe7 15. Rhg1 Rg8 16. Ba5 Nf6 17. Rd3 Bb4 18. Bxb4 Qxb4 {0-1 (98) Antonio,R (2519)-Dableo,R (2432) Dapitan 2009}) 14. Kb1 Nb6 15. d5 {Black must now prevent Bc3.} Na4 $2 (15... Nxc4 $11 {and Black has nothing to worry.} 16. Qxc4 Qxf3) 16. c3 (16. Bc1 $18) 16... Qf5+ {[#]} 17. Ka1 $1 Qc2 {[%csl Ga4][%cal Rc2b2]} 18. Rb1 Nb6 $2 (18... Ba3 {keeps fighting.} 19. bxa3 {[%mdl 64] Discovered Attack} Nxc3 20. Bxc3 Qxc3+ 21. Rb2 cxd5) 19. Bb3 (19. Bd3 $142 Qa4 20. dxe6) 19... Qf5 $18 20. dxe6 f6 $2 {[#]} (20... O-O-O {is more resistant.} 21. exf7 Nd5) 21. e7 $1 {[%mdl 512]} Bxe7 22. Rhe1 {[%csl Ge1][%cal Re2e7]} Qc5 23. Be3 Qe5 (23... Qb5 $142 24. Qc2 O-O-O 25. Bxb6 {[%mdl 64] Discovered Attack} axb6 26. Rxe7 Qd3 27. Rxg7 Qxc2 28. Bxc2 Rhg8) 24. f4 Qc7 25. Bc5 (25. Bxb6 $142 axb6 26. Rbd1) 25... Nc8 26. Qe6 Rf8 27. Bc2 (27. Rbd1 $142 b5 28. Qg4 Rf7 29. Qg6 {[%mdl 64] Pin} Nd6 30. Rxd6 {[%mdl 64] Remove Defender} Qxd6 31. Qxf7+ {[%mdl 64] Double Attack} Kd7 32. Rxe7+ Qxe7 33. Qxe7+ Kc8 34. Be6+ Kb8 35. Bd6#) 27... Qd7 28. Rbd1 Rf7 {Accuracy: White = 35%, Black = 21%.} (28... Qxe6 $18 29. Rxe6 Kf7) 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.14"]
[White "Hoyos Garces, Rosana"]
[Black "Chirivi C, Jenny Astrid"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1586"]
[BlackElo "2118"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,47,-39,-32,-31,-35,-36,-43,-44,-34,-33,-32,-32,-32,-34,-37,-47,-20,-37,-47,-56,-21,-22,-20,-108,-115,-108,-106,-110,-52,-109]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. e3 c5 5. Nc3 a6 6. Bd3 {D40: Queen's Gambit Declined: Semi-Tarrasch with 5 e3} (6. cxd5 exd5 7. Be2 Nc6 8. O-O cxd4 9. Nxd4 Bd6 10. b3 Be5 11. Nxc6 bxc6 12. Bb2 h5 13. f4 Bb8 14. Na4 Ba7 15. Bd4 Bg4 16. Bxg4 hxg4 17. Rc1 {1-0 (68) Mamedyarov,S (2801)-Navara,D (2741) Biel 2018}) 6... dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. O-O Nbd7 {[%cal Bb8d7,Bd7e5,Be5g6][%mdl 32]} 10. Qe2 Be7 {LiveBook: 4 Games} 11. Rd1 Qb6 12. b3 O-O 13. Bb2 cxd4 14. Nxd4 Ne5 $146 ({Predecessor:} 14... Nc5 15. Bc2 Rac8 16. Rac1 {½-½ (31) Krueger,W (1637)-Hobusch,A (1965) Ruhrgebiet 2005}) 15. Bc2 Rac8 16. Rac1 Rc7 17. Nb1 Ng6 18. Nd2 Rfc8 19. Bb1 Nd5 20. Rxc7 Rxc7 21. Rc1 (21. Qh5 $11) 21... Rxc1+ 22. Bxc1 {[#]} Ndf4 $1 {[%mdl 512]} 23. exf4 Qxd4 (23... Nxf4 $17 24. Qe5 Bd6 {[%mdl 64] Decoy}) 24. Qe3 {Accuracy: White = 56%, Black = 61%.} (24. Nf3 $15 Qd5 25. Qd3) 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.15"]
[White "Ortiz Verdesoto, Anahi"]
[Black "Caballero Marrugo, Maria Jose"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2115"]
[BlackElo "1338"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,113,22,22,8,35,8,52,31,39,39,45,44,54,39,49,27,29,32,36,48,40,47,75,73,75,75,87,80,106,106,118,115,103,104,158,87,89,104,105,110,116,118,122,90,138,133,129,87,88,88,88,88,105,58,93,68,82,70,102,102,112,112,106,103,205,179,375,375,375,378,350,296,529,518,484,470,491,477,450,391,386,398,811,810,810,810,810,806,785,612,582,588,649,633,618,590,693,686,775,660,648,623]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. e3 b6 6. Bd3 Bb7 7. O-O Bxd2 {LiveBook: 10 Games. E11: Bogo-Indian} 8. Nfxd2 (8. Nbxd2 c5 9. e4 cxd4 10. e5 Ng4 11. h3 Nh6 12. Nxd4 Nc6 13. Nxc6 Bxc6 14. Ne4 O-O 15. Qh5 Bxe4 16. Bxe4 {½-½ (41) Checa,N (2467)-Mandiza,F (2400) Charlotte 2017}) 8... O-O 9. Nc3 d6 {The position is equal.} 10. Qe2 $146 ({Predecessor:} 10. Re1 c5 11. d5 Nbd7 12. e4 Ne5 13. Bc2 g5 {1-0 (44) Sodomski,A (2250)-Zelenka,P (2106) ICCF email 2015}) 10... Nbd7 11. e4 e5 12. d5 c6 13. dxc6 Bxc6 14. Nd5 Qd8 15. b4 Rc8 16. Rfd1 Re8 17. Qf3 Bxd5 18. cxd5 ({Reject} 18. exd5 e4 $17) 18... Rc3 19. Nb1 {[%cal Bd2b1,Bb1a3,Ba3b5][%mdl 32]} Rc8 20. Na3 {Strongly threatening Nb5.} a5 21. Nb5 Nb8 22. a3 Qe7 23. Qe3 Nfd7 (23... Nbd7 $142) 24. bxa5 (24. Rac1 $142) 24... bxa5 $16 25. Qa7 Qf6 26. Qxa5 Nc5 27. Qe1 Nbd7 28. Bc2 Rb8 29. a4 Rb7 30. Qe2 Ra8 31. Ra3 Na6 32. Rb1 Ndc5 33. Rf3 Qe7 34. Qc4 Nc7 35. Na3 N7a6 36. Rxb7 Qxb7 37. Nb5 $36 {[%mdl 2048] White is in control.} Qb6 38. Rc3 Nc7 (38... h5 $16 {keeps fighting.} 39. Bd1 g6) 39. Nxd6 $1 $18 Qxd6 $2 (39... Nxa4 40. Qxc7 Nxc3 41. Qxb6 Ra1+ 42. Bb1 Rxb1+ 43. Qxb1 Nxb1) 40. Qxc5 Qxc5 41. Rxc5 {[%mdl 4096] Endgame KRB-KRN} Ne8 42. Rc6 Rd8 $2 (42... Kf8 43. g3 Nf6) 43. a5 Kf8 44. Bd3 Ke7 45. a6 Rd7 46. Rb6 Nd6 47. Bb5 Nxb5 $2 (47... Ra7 48. Bd3 f6) 48. Rxb5 {[#] Threatens to win with Rb7. KR-KR. White is clearly winning.} Kd6 49. Rb6+ Kc5 50. Rb7 Rd6 51. Rxf7 Rxa6 {[%cal Ra6a1] [#]} 52. f3 Rg6 53. Rc7+ Kb6 54. Re7 Rg5 55. h4 Rh5 56. Rxg7 Rxh4 57. Rg5 {Precision: White = 71%, Black = 40%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.17"]
[Round "1.16"]
[White "Blanco Noguera, Yoryeth"]
[Black "Cervantes Landeiro, Thalia"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "2098"]
[Annotator "NA RC"]
[PlyCount "68"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Nf3 O-O 6. Be2 c5 7. O-O cxd4 8. exd4 dxc4 9. Bxc4 Bg4 10. Be3 Nc6 11. Be2 Nd5 12. Qb3 Nxe3 13. fxe3 Rb8 14. Rae1 Bh6 15. Nd1 Be6 16. Qa4 Qa5 17. Qxa5 Nxa5 18. b3 Bf5 19. Ne5 Rbc8 20. Nc4 Nc6 21. Bf3 b5 22. Na3 Bd3 23. Be2 Bxe2 24. Rxe2 a6 25. Nc2 e6 26. Rf3 Rc7 27. Nc3 Ne5 28. dxe5 Rxc3 29. Rg3 Bg7 30. Nb4 a5 31. Nc2 Bxe5 32. Rf3 Rfc8 33. Rff2 a4 34. bxa4 bxa4 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.1"]
[White "Llaudy Pupo, Lisandra"]
[Black "Franco Valencia, Beatriz Irene"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2302"]
[BlackElo "2191"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,111,4,4,22,0,25,13,6,8,17,0,8,17,23,25,36,31,144,34,134,122,147,118,154,63,76,92,22,28,86,50,51,18,18,-213,-118,-162,-154,-314,-331,-935,7,-13,53,0,0,-25,45,11,7,11,101,21,30,0,48,40,109,112,141,131,143,138,133,112,295,304,264,231,379,383,1283,273,2219,1993,29977,29977,29981,29982,29988,29989,29987,12821,5926,1924,29988,29989,29987,29988,29988,29989,29990,29991,29988,29989,29996,29997]} 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 (4. d4 Nc6 5. Ne5 e6 6. Bb5 Bd7 7. Nxd7 Qxd7 8. c3 Nf6 9. O-O Bd6 10. Nd2 Qc7 11. g3 O-O 12. Bd3 Rab8 {1-0 (50) Bauer,C (2629)-Berkes,F (2678) Batumi 2018}) 4... Nf6 5. d4 g6 6. c3 {B10: Caro-Kann: 2 d3 and 2 c4} Bg7 7. Bd3 O-O 8. O-O Nc6 9. f4 {LiveBook: 6 Games} Nd7 {[%cal Rd7e5]} 10. Nf3 a6 $146 ({Predecessor:} 10... Nf6 11. Nbd2 Nh5 12. Ne5 Nxe5 13. dxe5 Bh6 14. Nb3 Ng7 15. g4 {1-0 (28) Cvetanovic,U (2232)-Ratkovic,M (2132) Paracin 2011}) 11. a4 Qc7 12. Qe1 Nf6 13. Qh4 Na5 14. Nbd2 Nc4 15. Nxc4 dxc4 16. Bc2 Be6 {[#]} (16... e6 $14) 17. Ne5 (17. f5 $1 $16 {[%cal Rf5e6][%mdl 512]} Bxf5 18. Bxf5 gxf5 19. Bh6) 17... Bd5 (17... Bf5 $1 $14 18. Bxf5 gxf5) 18. f5 $16 b5 19. Rf2 b4 20. cxb4 (20. Bg5 $16) 20... c3 $1 $14 21. Ra3 cxb2 22. Bxb2 Qb7 (22... Rac8 $1 $11) 23. fxg6 fxg6 24. Rh3 {Rxf6 is the strong threat.} Nh5 {aiming for ...Rxf2.} 25. Bc3 $2 (25. Bb3 $11 {and White has nothing to worry.}) 25... Rxf2 (25... Bxe5 $19 26. dxe5 Rxf2 27. Qxf2 Rf8) 26. Qxf2 $17 Rf8 27. Qd2 $2 (27. Rf3 $17 Bxf3 28. Nxf3) 27... Nf4 $19 28. Rh4 $2 (28. Rg3 Bxg2 29. Bb3+ Bd5 30. Bd1) 28... Ne6 $2 (28... Bxe5 $1 $19 29. b5 Nxg2) 29. h3 Qc7 (29... Bxe5 $1 $11 30. dxe5 Bxg2 $1 {[%mdl 512]} 31. Qxg2 Qb6+ 32. Kh1 Rf2) 30. Rg4 ({White should play} 30. Be4 $14 Bxe5 31. dxe5 Bxe4 32. Rxe4) 30... Rc8 $11 31. Rg3 Rf8 ({Better is} 31... Nxd4 $11 32. Qxd4 Qxe5 33. Qxe5 Bxe5 34. Bxe5 Rxc2) 32. Bb1 Nf4 33. Ba2 Qb7 {[#]} (33... e6 $11 {remains equal.}) 34. Bxd5+ (34. Rf3 $1 $16 {[%cal Rf3f4]} Bxa2 35. Qxa2+ (35. Rxf4 Rxf4 36. Qxf4 Bd5 $14) 35... e6 36. Nd3) 34... Nxd5 35. Rf3 (35. Kh2 {seems wilder.} Rf4 36. Nd3 Rf5 37. Nc5 Qb6 38. Qd3) 35... Rxf3 (35... Bxe5 $5 36. Rxf8+ (36. dxe5 Rxf3 37. gxf3 e6 $11) 36... Kxf8 37. dxe5 Kf7 $14) 36. Nxf3 Qc6 (36... Kf8 $14) 37. Qa2 $16 e6 38. Bd2 Bf8 39. Qb3 Bd6 40. Ng5 Bc7 $2 (40... Bxb4 $16 41. Qf3 (41. Bxb4 Qc1+ 42. Be1 Qxe1+ 43. Kh2 Qe3 $16) 41... Qd7 42. Bxb4 Nxb4) 41. Qf3 $18 {White wants to mate with Qf7+.} Qd7 42. Qe4 e5 (42... Bd6 $142 43. b5 (43. Nxe6 Qxa4 44. Nc5 Qd1+ 45. Qe1 Qxe1+ 46. Bxe1 Bxc5 $16) (43. Qxe6+ Qxe6 44. Nxe6 Bxb4 $16) 43... axb5) 43. dxe5 {[%cal Bd4e5,Be5e6][%mdl 32]} Nb6 $2 (43... Bb6+ 44. Kh1 Ne7) 44. Nf3 $2 (44. e6 Qe7 45. Nf7) 44... Nxa4 $2 (44... Qd5 45. Qe1 Nc4) 45. e6 Qe8 46. Bh6 Bb6+ 47. Kh1 Qe7 48. Bg5 Nc3 49. Qa8+ ({Not} 49. Bxe7 Nxe4 50. g4 Bc7 $16) (49. Qc6 $142 Ne2 50. Qxb6 (50. Bxe7 Ng3+ 51. Kh2 Nf1+ 52. Kh1 Ng3+ 53. Kh2 Nf1+ 54. Kh1 Ng3+ $11) 50... Qe8 51. e7 Ng3+ 52. Kh2 Nf5 53. Qd8 Kf7 54. Ne5+ Ke6 55. Qxe8) 49... Qf8 50. Qb7 (50. Qc6 $142 Ne2 51. Qxb6 Ng3+ 52. Kg1) 50... Bf2 51. e7 {White mates.} Qe8 52. Qxa6 h6 53. Bf6 Nb5 54. Qe6+ Kh7 55. Be5 Ba7 56. Qf6 {Precision: White = 37%, Black = 30%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.2"]
[White "Rodriguez Rueda, Paula Andrea"]
[Black "Rivera, Ingris"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2275"]
[BlackElo "2188"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,104,-16,-25,-26,-39,-36,-22,0,-2,31,-19,-15,-15,-18,-50,-48,-60,-6,-46,-7,-297,-306,-306,-323,-318,-312,-297,-308,-326,-320,-325,-323,-325,-318,-300,-310,-280,-208,-302,-255,-275,0,-419,-407,-393,-231,-222,-223,-232,-228,-223,-213,-228,-215,-434,-254,-255,-255,-255,-249,-268,-250,-276,-260,-366,-364,-354,-282,-535,-268,-6642,-6576,-29972,-29974,-29973,-29975,-29975,-29976,-29976,-29976,-29977,-29977,-29980,-29981,-29981,-29982]} 1. d4 Nf6 2. c4 c5 3. e3 cxd4 4. exd4 d5 5. Nc3 e6 6. Nf3 Nc6 7. Be2 Be7 8. O-O O-O 9. Re1 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6} a6 10. Bf4 dxc4 11. Bxc4 {LiveBook: 4 Games. The position is equal.} b5 12. Bd3 (12. Bb3 Na5 13. Bc2 Bb7 14. Ne5 Rc8 15. Bg5 Nc4 16. Qd3 Nxb2 17. Qh3 g6 18. Bb3 Nc4 19. Bh6 Qxd4 20. Rad1 {½-½ (23) Zvjaginsev,V (2660)-Svidler,P (2734) Sochi 2015}) 12... Bb7 13. Rc1 Qa5 $146 ({Predecessor:} 13... Rc8 14. Bb1 Re8 15. Ne4 Nb4 16. Rxc8 Bxc8 17. Ne5 g6 18. a3 Nbd5 19. Nc6 Qd7 20. Nxe7+ Qxe7 {0-1 (47) Perez,M (1982)-Balzano,I Villa Ballester 2005}) 14. a3 b4 15. axb4 Nxb4 16. Bb1 Rfd8 17. Be5 Rac8 18. Ng5 g6 ({Black should play} 18... h6 $15 19. Nf3 Qb6) 19. Qe2 Nc6 20. Nxf7 $2 {[%mdl 8192]} (20. Nxe6 $1 $11 fxe6 21. Ba2 Nxe5 22. Bxe6+ {[%mdl 64] Double Attack} Kg7 23. Bxc8 Rxc8 24. Qxe5 Qxe5 25. dxe5) 20... Kxf7 $19 21. Bxf6 Bxf6 22. Qxe6+ Kg7 23. Ba2 {Qf7+ is the strong threat.} Bxd4 24. Qf7+ Kh8 25. Qxb7 Rc7 26. Qb3 {[#]} Bxf2+ $1 {[%mdl 576] Double Attack} 27. Kh1 (27. Kxf2 Qc5+) 27... Bxe1 28. Rxe1 Qf5 29. Ne4 (29. Qb6 $142 Rf8 30. Rg1 (30. Qxc7 $2 {leads to mate.} Qf1+ {[%mdl 64] Back Rank} 31. Rxf1 Rxf1#)) 29... Ne5 30. Qb6 Rcd7 $2 (30... Rdc8 $19 31. Nc3 Rc5) 31. Bb3 $2 {[%mdl 8192]} (31. Be6 $11 {and White has nothing to worry.} Rd1 32. Qxd8+ $1 {[%mdl 512]} Rxd8 33. Bxf5) 31... Nd3 32. Be6 Qb5 (32... Qf8 $142 33. Bxd7 Nxe1) 33. Qxb5 axb5 34. Bxd7 Nxe1 35. Bxb5 {[%mdl 4096] Endgame KRN-KBN} Rd4 36. Nc3 Rb4 37. h3 $2 {[#]} (37. Bf1) 37... Rxb2 (37... Nxg2 $142 $1 {[%mdl 512] Strongly threatening ...Nf4.} 38. Kxg2 Rxb2+ 39. Kf3 Rb3) 38. Bf1 Nc2 39. Nd5 Kg7 40. Bd3 Nd4 41. Kg1 Rd2 42. Be4 (42. Ba6 $142) 42... Ne2+ 43. Kh2 h5 44. Ne7 $2 (44. Ne3 {was necessary.}) 44... Rd6 45. Nxg6 $2 (45. Nd5) 45... Rxg6 46. Bxg6 Kxg6 {KN-KPP. Black mates.} 47. g3 Kf6 48. Kg2 Ke5 49. Kf2 Nd4 50. Kg2 Ne6 51. h4 Kf5 52. Kf3 Ng7 {Accuracy: White = 32%, Black = 60%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.3"]
[White "Chirivi C, Jenny Astrid"]
[Black "Arribas Robaina, Maritza"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2118"]
[BlackElo "2257"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,63,-6,-8,0,3,8,7,12,0,14,20,19,0,1,0,0,-18,28,0,23,0,30,22,25,22,27,23,26,27,37,31,25,20,17,5,28,5,14,19,42,0,0,0,4,0,0,-20,-16,-43,0,0,0,0]} 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nge7 6. O-O O-O 7. d3 Nd4 {A25: English Opening vs King's Indian with ...Nc6 but without early d3} (7... d6 8. Rb1 a5 9. b3 h6 10. Bb2 Be6 11. e3 d5 12. cxd5 Nxd5 13. Ne4 b6 14. Rc1 Ndb4 15. a3 Nxd3 16. Rxc6 Nxb2 {1-0 (65) Artemiev,V (2682)-Predke,A (2566) Sochi 2017}) 8. e3 Nxf3+ 9. Bxf3 $146 ({Predecessor:} 9. Qxf3 Rb8 10. Qe2 b6 11. Bd2 Bb7 12. Nd5 c6 13. Nxe7+ Qxe7 14. Bc3 d5 15. b3 Rbd8 16. Rae1 Rfe8 17. e4 {½-½ (17) Thorsteinsson,T (2332)-Westerinen,H (2412) Reykjavik 2002}) 9... c6 10. d4 d6 11. dxe5 dxe5 12. Qe2 Nf5 13. Ne4 Qe7 14. b3 Rd8 15. Bb2 Be6 16. Rfd1 Rxd1+ 17. Rxd1 Rd8 18. Rd2 b6 19. Qd1 Rxd2 20. Qxd2 Qd7 21. Qxd7 Bxd7 22. Kf1 f6 23. Ba3 Kf7 24. h4 h5 25. Ke2 Ne7 26. Kd2 c5 27. Nc3 Bc6 28. Bxc6 Nxc6 29. Nd5 e4 30. Bb2 f5 31. Bxg7 Kxg7 32. Ke2 {Accuracy: White = 39%, Black = 53%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.4"]
[White "Marrero Lopez, Yaniet"]
[Black "Roca Rojas, Ana Flavia"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2253"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,117,10,19,4,13,6,6,-4,-31,-65,18,-39,0,4,61,43,80,39,68,66,108,120,133,147,151,120,120,78,88,0,89,89,89,90,106,93,104,57,121,93,108,115,127,110,121,125,180,188,175,175,148,149,148,95,104,69,117,97,188,183,265,261,175,79,93,100,98,62,74,0,0,0,0,0,9,0,22,0,28,62,74,-5,0,-83,-39,-50,-58,-46,0,0,0,-76,0,-12,0,-54,0,-8,-17,-28,-17,-21,-27,-128]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nf3 {B91: Sicilian Najdorf: 6 g3} (7. Nb3 Be7 8. Bg2 O-O 9. a4 Nc6 10. O-O Nb4 11. a5 Be6 12. Bg5 h6 13. Bxf6 Bxf6 14. Ra4 Nc6 15. Nd5 Rc8 16. c3 g6 17. Nxf6+ Qxf6 18. Qxd6 {½-½ (68) Duda,J (2737)-Grischuk,A (2766) chess.com INT 2018}) 7... Be7 8. Bg2 O-O {LiveBook: 13 Games} 9. a4 {The position is equal.} h6 $146 ({Predecessor:} 9... Nc6 10. O-O Be6 11. Nh4 Nb4 12. Nf5 Bxf5 13. exf5 d5 14. Bg5 e4 {½-½ (68) Ponkratov,P (2601)-Sarana,A (2587) Sochi 2018}) 10. O-O Nc6 11. h3 Be6 12. Nh4 Re8 (12... Nb4 $15) 13. Be3 (13. Nd5 $11) 13... Bf8 14. Nd5 Nd7 (14... Bxd5 $1 $11 15. exd5 Ne7) 15. Nf5 $14 Rc8 16. Qd2 (16. h4 {keeps more tension.} Kh7 17. Bd2 g6 18. Nfe3 h5 19. b3) 16... Bxd5 17. exd5 Na5 18. b3 b6 19. Qe2 Kh8 20. Rac1 Ra8 21. Qg4 Nb7 22. f4 (22. Qf3 $16) 22... Nbc5 (22... g6 $11 {remains equal.}) 23. fxe5 $16 Nxe5 24. Qf4 a5 25. Bd4 Qg5 26. Rce1 Ncd7 (26... g6 $14) 27. Qf2 Rab8 28. Be3 Qd8 29. Nd4 Qc7 30. Nc6 Nxc6 (30... Rbc8 $16 {was called for.} 31. Nxe5 Nxe5) 31. dxc6 $18 Ne5 32. Bd4 $36 {[%mdl 2048] White is on the roll.} Re7 33. Re3 g6 34. Rfe1 (34. h4 $142) 34... Bg7 $16 35. c3 {[%cal Bc2c3,Bc3b4][%mdl 32]} Kg8 36. Bd5 Kh7 (36... b5 $16 {might work better.}) 37. b4 $18 axb4 (37... b5 {was worth a try.}) 38. cxb4 Ra8 39. Rxe5 (39. Ra1 $18) 39... Bxe5 $16 40. Bxb6 Qc8 41. a5 ({Inferior is} 41. Bxf7 Qxh3 42. Bd5 Rxa4 $17) 41... Qxh3 42. Bg2 (42. Re4 $16) 42... Qg4 $1 $11 ({Wrong is} 42... Bxg3 $2 43. Bxh3 Rxe1+ 44. Qxe1 $18) 43. Re4 Qd1+ 44. Kh2 Qh5+ 45. Kg1 Qd1+ 46. Qf1 Qb3 47. Qf3 Qc2 {[#]} 48. c7 (48. b5 $1 $16) 48... Rc8 {Threatens to win with ...f5.} 49. Qf2 (49. Bf1 $11) 49... Qb1+ 50. Qf1 Qb3 {aiming for ...f5.} 51. Qf3 $1 {[%cal Rf3b3]} Qb1+ 52. Qf1 Qb3 (52... Qb2 $11) 53. Qf3 $1 $17 {[%cal Rf3b3]} Qb1+ ({Better is} 53... Qb2 $17 {White should prevent ...f5.} 54. Qe2 Qc1+ 55. Kh2 Rexc7 56. Bxc7 Qxc7) 54. Qf1 $11 Qb3 {And now ...f5 would win.} 55. Qf3 $1 {[%cal Rf3b3]} Qb1+ (55... Qb2 $15) 56. Kh2 Rcxc7 57. Bxc7 Rxc7 58. a6 $1 f5 59. Re3 {Accuracy: White = 41%, Black = 31%.} (59. Rxe5 $11 dxe5 60. Qa3) 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.5"]
[White "Cervantes Landeiro, Thalia"]
[Black "Miranda Rodriguez, Tania"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2098"]
[BlackElo "2246"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,60,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,7,13,13,10,7,8,7,13,7,7,7,7,7,8,7,7,0,0]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. Nf3 Bxa6 8. g3 d6 9. Bg2 Nbd7 10. O-O Nb6 11. Rb1 Bc4 {A58: Benko/Volga Gambit: Lines with 5 bxa6} 12. Nd2 Bxa2 13. Nxa2 Rxa2 14. Qb3 Ra8 {[#] LiveBook: 7 Games. The position is equal.} 15. Qd3 $146 ({Predecessor:} 15. Qb5+ Nfd7 16. b4 Na4 17. Rb3 Nc3 18. Qd3 cxb4 19. Rxb4 {0-1 (36) Stojanovic,M (2601)-Perunovic,M (2589) Belgrade 2007}) 15... Qc7 16. Nc4 O-O 17. b4 Nxc4 18. Qxc4 Rfb8 19. Bd2 Nd7 20. bxc5 Nxc5 21. Be3 Rxb1 (21... Ra4 {is interesting.} 22. Qc2 Bd4 23. Bh6 Rba8 24. Bf3 Ra2) 22. Rxb1 Ra1 23. Rxa1 Bxa1 24. Be4 Bf6 25. Bc2 Qa5 26. Bxc5 dxc5 27. Bb3 Qc7 28. Kg2 Kg7 29. Ba2 h5 30. h4 Qa7 {Accuracy: White = 74%, Black = 72%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.6"]
[White "Perez Rodriguez, Jennifer"]
[Black "Ortiz Verdesoto, Anahi"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2203"]
[BlackElo "2115"]
[Annotator "TA"]
[PlyCount "232"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,232,43,38,19,41,41,42,30,40,35,60,38,57,13,22,7,15,18,17,13,30,25,27,27,19,0,6,11,50,68,54,47,81,79,75,63,62,61,56,42,52,52,61,60,58,66,61,36,62,57,53,35,34,34,31,35,37,32,59,58,58,50,85,87,117,116,85,114,397,392,367,188,177,94,95,95,89,69,58,0,0,0,0,0,0,0,0,0,1,3,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,324,313,324,324,324,284,277,251,277,279,324,324,341,340,339,339,332,332,331,69,66,0,350,0,324,324,331,321,331,331,324,324,324,80,80,9,9,9,46,46,46,46,46,39,80,80,80,80,80,80,80,80,80,80,80,80,80,0,79,58,80,80,80,80,81,81,81,81,81,81,81,81,81,81,81,81,81,81,81,80,81,80,80,80,80,80,80,74,74,0,58,0,43,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. g3 O-O 7. Bg2 {C41: Philidor Defence} Re8 8. O-O Bf8 9. h3 c6 (9... Nbd7 10. Re1 c5 11. Nf5 Ne5 12. Bg5 h6 13. Bxf6 Qxf6 14. Nd5 Qd8 {½-½ (32) Oparin,G (2602)-Mamedyarov,S (2799) Moscow 2017}) 10. a4 Na6 {LiveBook: 3 Games} 11. Bf4 Nc5 $146 {[%cal Rf6e4]} ({Predecessor:} 11... g6 12. Qd2 Nd7 13. Rad1 Nac5 14. Bg5 Qb6 {0-1 (57) Van Meegen,R (2110)-Schroeder,J (2508) Maastricht 2016}) 12. Re1 $1 Ne6 13. Nxe6 Bxe6 14. Qd4 Qd7 15. Kh2 b6 16. Rad1 {[%cal Rf4d6]} Rad8 17. Qd3 Qc8 18. Qf1 h6 19. Rd2 d5 20. exd5 Nxd5 21. Nxd5 cxd5 22. Be5 Bd7 23. a5 Bc6 24. axb6 axb6 25. Bd4 Qb7 26. Rxe8 Rxe8 27. Qd3 b5 28. Be3 {[%cal Rg2d5]} Rd8 29. Qd4 Be7 30. Qg4 Qd7 31. Qxd7 Rxd7 32. c3 Bf6 33. Bd4 Be7 34. Rd1 b4 35. Ra1 bxc3 36. bxc3 Bb5 37. Ra8+ Kh7 38. Bf3 Bd3 39. Ra5 Bc4 40. h4 g6 41. Ra8 {[%csl Gd4][%cal Ra8h8] [#]} Bd8 42. Bg4 f5 43. Bd1 {Ba4 is the strong threat.} Bb5 $2 {[%mdl 8192]} (43... Rd6 $16 {keeps fighting.}) 44. h5 gxh5 45. Bxh5 (45. Rb8 $142) 45... Rd6 $18 46. Be5 (46. Kg2 $18) 46... Re6 $16 47. f4 Bf6 48. Bf7 Re7 49. Bxd5 (49. Bg8+ $14 Kg6 50. Bxf6 (50. Bxd5 Bxe5 51. c4 Be8 $11) 50... Kxf6 51. Bxd5) 49... Bxe5 $11 50. fxe5 (50. Ra5 {looks sharper.} Bxf4 51. gxf4 Bd3 52. c4 Re2+ 53. Kg3) 50... Rxe5 $14 {[%mdl 4096] Endgame KRB-KRB} 51. c4 {[#] And now Ra7+ would win.} Be8 52. Rd8 Bh5 53. c5 Re2+ 54. Kg1 Be8 $2 {[%mdl 8192]} (54... Re1+ $11 {and Black is okay.} 55. Kg2 Re2+ 56. Kg1 Re1+ 57. Kf2 Re2+ 58. Kf1 Rc2) 55. c6 $18 Bxc6 56. Bxc6 {KRB-KR} Kg6 57. Rd4 Kg5 58. Rf4 Rd2 59. Bf3 Rb2 60. Kf1 Ra2 61. Be2 Ra1+ 62. Kf2 Ra3 63. Bc4 Ra4 64. Ke2 Ra5 65. Bd3 Re5+ 66. Kf2 Rd5 67. Be2 Ra5 68. Rb4 Ra3 69. Rb5 Kf6 70. Bf1 Ra2+ 71. Ke3 Kg5 72. Be2 $2 (72. Bc4 $18 Ra4 73. Bb3) 72... Ra3+ $14 73. Kf2 (73. Bd3 $14 Kg4 74. Rb6) 73... Kg6 $2 {[%mdl 8192]} (73... Kf6 $1 $11 74. Rb8 Kg5 75. Rg8+ Kf6) 74. Rb4 Kg5 $1 75. Rb8 Rc3 76. Rg8+ Kf6 77. Bh5 Rc2+ 78. Kg1 Ke5 79. Rg6 $2 (79. Rf8 $18) 79... f4 $16 80. g4 (80. gxf4+ $16 Kxf4 81. Rd6) 80... f3 $1 $11 81. g5 hxg5 82. Bxf3 Kf4 83. Bd1 Rd2 84. Bh5 Rb2 85. Kf1 Rh2 86. Be2 Rh3 87. Kg2 Ra3 88. Kf2 Ra2 89. Rb6 Ra4 90. Rf6+ Ke5 91. Rb6 Kf4 92. Rb3 Ra2 93. Rb4+ Kf5 94. Ke3 Kf6 95. Bd3 Rg2 96. Rb6+ Ke5 97. Rb5+ Kf6 98. Kd4 g4 99. Rf5+ Ke6 100. Rf4 g3 101. Rg4 Rg1 102. Be4 Kf6 103. Ke3 Ke5 104. Rg5+ Kf6 105. Rb5 Rf1 106. Rb2 Kg5 107. Rb5+ (107. Rb7 $16) 107... Kg4 (107... Kf6 $1 $11) 108. Rb2 (108. Bg2 $14 Re1+ 109. Kd3) 108... Re1+ 109. Kd4 Kf4 {The position is equal.} 110. Bc6 Rd1+ 111. Kc5 Kg4 112. Bg2 Kf4 113. Kc4 Ke3 114. Bb7 Rd4+ 115. Kc3 Rd3+ 116. Kc4 Rd4+ {Precision: White = 59%, Black = 63%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.7"]
[White "Gonzalez Ochoa, Yoana"]
[Black "Fernandez, Maria Florencia"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2058"]
[BlackElo "2198"]
[Annotator "TA"]
[PlyCount "177"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,177,33,27,49,28,29,32,21,23,31,38,43,30,45,31,31,14,30,27,80,69,91,0,8,0,0,-27,-34,-28,-37,-41,67,68,33,20,17,-232,-234,-215,-8,-7,-4,-7,0,0,8,-22,-7,-14,-6,-138,-147,-132,-57,-49,-77,-147,-134,-127,-135,-157,-141,-140,-36,-36,0,-21,-6,-80,-86,-87,-90,-172,-168,-203,-212,-211,-116,-116,-12,-12,0,-12,0,-12,-12,-32,0,-32,-14,-15,331,-12,-12,-12,-10,-137,-87,-87,-45,-87,-45,-87,-87,-87,-87,-87,-45,-87,-87,-87,0,-87,-87,-87,-87,-87,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-16,-45,-45,-45,-45,-45,-45,-45,-45,-45,0,-13,-11,-11,0,-45]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 O-O 6. Be3 c6 7. a4 a5 8. Bd3 {B08: Pirc Defence: Classical System} Na6 (8... Qc7 9. O-O e5 10. Re1 Re8 11. Bc4 exd4 12. Bxd4 Nbd7 13. Ng5 Re7 14. Ba2 h6 15. Nf3 Re8 {½-½ (87) Zhigalko,S (2641)-Andriasian,Z (2585) Riadh 2017}) 9. O-O Nb4 10. Be2 {LiveBook: 6 Games. White is slightly better.} Re8 $146 ({Predecessor:} 10... Qc7 11. Nd2 Nd7 12. f4 Nb6 13. Kh1 f5 14. e5 Be6 15. Bg1 Rad8 {0-1 (66) Khalesi,V (2217)-Stopa,J (2528) Sowme'eh Sara 2015}) 11. Nd2 e5 12. dxe5 $1 dxe5 13. Ncb1 Be6 14. Na3 Qe7 15. c3 Na6 16. Qc2 Nc5 17. Rfb1 Nfd7 18. Nac4 Bxc4 (18... Bf8 $11) 19. Nxc4 $16 Ne6 20. b4 ({White should try} 20. Rd1 $16) 20... axb4 $11 21. Rxb4 b5 22. Nb6 Nxb6 23. Bxb6 Nd4 24. Qb2 c5 (24... Bf8 $15) 25. Rxb5 $1 $14 Nxb5 26. Bxb5 Reb8 27. Bc6 $2 {[#]} (27. a5 $11) 27... Ra5 $1 $19 {[%mdl 576] Pin} 28. Rb1 (28. Bxa5 Rxb2) 28... Qf6 $2 (28... Qd6 $19 29. Bd5 Rxa4 30. Bxf7+ {[%mdl 64] Decoy} Kxf7 31. Qb3+ Kf6 32. Qxa4 Rxb6) 29. Bd5 $1 $11 Rxa4 {aiming for ...Ra6.} 30. Qc2 $1 {[%cal Rc2a4]} Ra6 31. Bxc5 Qd8 32. Rd1 Qc7 $36 {[%mdl 2048] Black fights for an advantage.} 33. Qe2 Rf6 34. Bb4 (34. Be3 $1 $11 {was the only way to keep the balance.}) 34... Bf8 $17 35. Bxf8 Rxf8 (35... Kxf8 $17 36. Qd2 Kg7) 36. c4 $15 Rb8 37. Ra1 (37. Qe3 $142) 37... Kg7 38. Qe3 {[#]} Rb2 $1 39. Ra7 Qb8 40. f3 Rb3 (40... Qb4 $17 41. Rb7 Qa4 42. Rxb2 Qa1+ {[%mdl 64] Double Attack} 43. Kh2 Qxb2) 41. Qc5 Rc3 42. Kh2 Rc2 43. Ra8 (43. Rb7 $11 Qf8 44. Qe3) 43... Qd6 $17 44. Qxd6 Rxd6 {[%mdl 4096] Endgame KRR-KRB} 45. Ra7 (45. Re8 $17) 45... Rf6 $19 46. Kg1 h5 47. h4 {[#]} Kh6 (47... Rf4 $1 $19 48. Rb7 Rxh4 49. Bxf7 Kf6) 48. Rxf7 $17 Ra6 ({Black should play} 48... Rb6 $17 {Strongly threatening ...Rb1+.} 49. f4 Rb1+ 50. Kh2 exf4 51. Rxf4 Re1) 49. c5 $1 $11 Ra1+ 50. Kh2 Re1 {White must now prevent ...Ree2.} 51. Be6 Rxc5 (51... Ree2 {feels hotter.} 52. Bh3 Rxc5 53. Re7 Rec2 54. Kg3 R2c3) 52. Kg3 Rd1 53. Bh3 Rd6 54. Re7 g5 $2 {[%mdl 8192]} (54... Rdc6 $11) 55. hxg5+ $2 (55. Bf5 $18 {[%csl Gf5][%cal Re7h7]} Rg6 56. Bxg6 gxh4+ 57. Kxh4 Kxg6 58. Re6+ Kf7 59. Rh6) 55... Kxg5 {...h4+ is the strong threat.} 56. Rg7+ Rg6 57. Rxg6+ (57. Rf7 $11 {remains equal.}) 57... Kxg6 {KR-KB} 58. Kh4 Rc3 59. Bd7 Kh6 60. Be6 Rc6 61. Bf5 Rc1 62. Bh3 Rf1 63. Bf5 Rh1+ 64. Bh3 Rf1 65. Bf5 Rf2 66. Bh3 Rc2 67. g4 Rc3 68. g5+ Kg6 69. Bf5+ Kg7 70. Kxh5 Rxf3 71. Kg4 Rf1 72. Kh5 Rf4 73. Bg6 Kf8 74. Bf5 Kf7 75. Bg6+ Kg7 76. Bf5 Rf2 77. Kg4 Re2 78. Kh5 Rg2 79. Kh4 Rh2+ 80. Kg4 Rh1 81. Bd7 Rd1 82. Be6 Kg6 {Threatens to win with ...Rg1+.} 83. Bf5+ Kf7 84. Kh5 Rg1 85. Kh4 Rf1 86. Kh5 Rf4 87. Bg6+ {The position is equal.} Kg8 88. Bf5 Kg7 89. Bg6 {Accuracy: White = 52%, Black = 42%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.8"]
[White "Aliaga Fernandez, Ingrid Y"]
[Black "Cori T., Deysi"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2194"]
[BlackElo "2406"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,55,17,29,0,0,0,17,0,0,0,0,0,0,0,0,0,0,-9,-5,0,0,-21,-16,-19,-17,-22,-10,-24,0,-14]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. c4 Nb4 9. Be2 O-O 10. Nc3 Bf5 11. a3 Nxc3 12. bxc3 Nc6 13. cxd5 Qxd5 14. Bf4 Rac8 {LiveBook: 47 Games. C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} 15. c4 (15. Re1 Rfe8 16. h3 h6 17. Nd2 Na5 18. Bf3 Qd7 19. Nb3 Nxb3 20. Qxb3 c6 21. Be5 b5 22. a4 {½-½ (33) Ni,H (2646)-Wang,Y (2706) China 2013}) 15... Qe4 16. Be3 Bf6 17. Ra2 Na5 $146 ({Predecessor:} 17... Rfd8 18. d5 Na5 19. Qa4 b6 20. Nd2 Qe7 21. Re1 c6 22. Bf3 {½-½ (22) Stachanczyk,J (2306)-Tukubayev,K (2165) Albena 2015}) 18. Qa4 b6 19. Rd2 Rfe8 20. Rfd1 h6 21. h3 Rcd8 22. Qb4 Qb7 23. d5 Qc8 24. Nh2 c5 25. dxc6 Rxd2 26. Rxd2 Nxc6 27. Qa4 $1 Bc3 28. Rd1 {Accuracy: White = 64%, Black = 69%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.9"]
[White "Cordero, Daniela"]
[Black "Cosme Contreras, Trilce"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2085"]
[BlackElo "1829"]
[Annotator "NA RC"]
[PlyCount "91"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. d5 Na5 8. Nfd2 c5 9. a3 b6 10. b4 Nb7 11. Bb2 a6 12. Nc3 Bd7 13. h3 b5 14. Re1 Rc8 15. cxb5 axb5 16. Rc1 Qb6 17. Qb3 Nh5 18. e3 f5 19. Ne2 Nf6 20. Nf4 Kh8 21. e4 g5 22. Ne6 Bxe6 23. dxe6 c4 24. Qc2 fxe4 25. Nxe4 Nxe4 26. Bxg7+ Kxg7 27. Bxe4 h6 28. Qc3+ Rf6 29. Re2 Rcf8 30. Bd5 Nd8 31. Rcc2 Nc6 32. Bxc6 Qxc6 33. Re3 Kh7 34. Qd4 Qb7 35. a4 bxa4 36. Qxc4 Qb6 37. Qe4+ Kg7 38. Ra2 d5 39. Qe5 d4 40. Rf3 Qxb4 41. Raa3 Rc8 42. Rxf6 exf6 43. Qd5 Rc7 44. Qd8 Ra7 45. Rf3 Re7 46. Qd5 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.10"]
[White "Gomez Guardo, Laura Meli"]
[Black "Castrillon Gomez, Melissa"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1842"]
[BlackElo "2301"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,91,58,85,75,110,89,180,179,179,47,139,151,241,191,218,218,221,214,234,229,251,158,175,126,135,125,125,109,115,118,133,145,128,55,100,106,244,264,256,236,386,373,400,388,393,189,531,535,629,629,623,612,1361,1311,1627,1601,1576,1437,1637,1567,1582,1559,1908,1972,2516,1451,1303,875,932,714,747,0,821,739]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 {A58: Benko/Volga Gambit: Lines with 5 bxa6} Bg7 7. a7 Rxa7 8. e4 O-O 9. Nf3 d6 10. Be2 Ba6 {LiveBook: 23 Games} 11. O-O Nfd7 {[%cal Bf6d7,Bd7e5,Be5d3][%mdl 32]} 12. a4 c4 $146 (12... Bxe2 $16 13. Qxe2 Na6) ({Predecessor:} 12... Nb6 13. Bxa6 Nxa6 {0-1 (37) Sychev,K (2414)-Dubov,D (2661) Moscow 2015}) 13. Nd4 $18 Rb7 14. Nc6 ({White should play} 14. Ncb5 $18) 14... Qe8 (14... Qb6 $1 $14) 15. Na5 $16 Rc7 (15... Rb6 $16 {was called for.} 16. Nb5 (16. Nxc4 Rb4 $16) (16. Bxc4 Bxc4 17. Nxc4 Rb4 $16) 16... Bxb5) 16. Be3 Ne5 17. Qd2 Nd3 18. Ra3 f5 19. exf5 gxf5 20. Bxd3 cxd3 21. Rc1 Qf7 22. b4 f4 23. Bb6 Rxc3 24. Raxc3 Bxc3 25. Rxc3 {Threatens to win with b5.} Nd7 26. Ba7 (26. Bd4 $16 {Black must now prevent b5.} Qxd5 27. Nc6) 26... Qxd5 {[#]} 27. Nc6 $1 $36 {[%cal Rc6e7][%mdl 2048] White has strong initiative.} Rf7 (27... Qe6 $16) 28. b5 $18 {[%cal Bb4b5,Bb5c6,Bc6c7][%mdl 32]} Bb7 {...Ne5 is the strong threat.} 29. Qxd3 Qe6 (29... Nf6 {is a better defense.} 30. Qc2 Qg5) 30. Qf1 Rf8 {Black hopes to continue with ...Ra8.} 31. a5 Ne5 32. a6 (32. Nxe5 $142 Qxe5 33. Rc7) 32... Bxc6 $2 (32... Nxc6 33. axb7 (33. bxc6 Bxa6 34. Qc1 f3 $16) 33... Nxa7) 33. bxc6 d5 34. c7 Nc4 35. Qa1 Ra8 36. Rb3 {[#] Strongly threatening Rb8+.} Kf7 37. Rb8 Qc6 38. Rxa8 Qxa8 39. Bb8 Nb6 40. h3 Qc6 41. Qb1 f3 42. Qxh7+ Ke8 43. Qg8+ Kd7 44. Qd8+ Ke6 45. Qg8+ Kd7 46. Qg4+ {[%mdl 32768] Precision: White = 64%, Black = 26%. . An unexpected result.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.11"]
[White "Moncada Correa, Sara"]
[Black "Besso, Guadalupe"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1792"]
[BlackElo "2069"]
[Annotator "NA RC"]
[PlyCount "140"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. Nc3 d5 7. cxd5 Nxd5 8. O-O Nxc3 9. bxc3 Nd7 10. e4 c5 11. Qe2 cxd4 12. cxd4 Nb6 13. Be3 Bd7 14. Rac1 a6 15. Rfe1 Bb5 16. Qb2 Nc4 17. Qb3 Nxe3 18. Qxe3 Qa5 19. Rc2 Rac8 20. Rec1 Rxc2 21. Rxc2 Rd8 22. Bf1 Bxf1 23. Kxf1 Qa4 24. Qb3 Qd7 25. Kg2 b5 26. Rc5 e6 27. d5 Qe7 28. Rc6 exd5 29. exd5 Qe4 30. Rxa6 Rxd5 31. Ra8+ Bf8 32. Qe3 Qxe3 33. fxe3 Kg7 34. Kf2 Rd3 35. Ke2 Rc3 36. Nd4 b4 37. Ra7 Kf6 38. Kf3 Bc5 39. Ra6+ Kg7 40. Ke4 h5 41. Ra4 Bf8 42. Ra7 Kf6 43. Ra5 Bh6 44. Ra6+ Kg7 45. Rb6 Rxe3+ 46. Kd5 Ra3 47. Rxb4 Rxa2 48. Nf3 Re2 49. Rb3 Bc1 50. Rc3 Bb2 51. Rb3 Kh6 52. Rb7 f6 53. Rb3 g5 54. h3 g4 55. hxg4 hxg4 56. Nh4 Be5 57. Nf5+ Kg5 58. Ng7 Rg2 59. Ne6+ Kg6 60. Nf4+ Bxf4 61. gxf4 Kf5 62. Rb6 Rf2 63. Kd4 Rxf4+ 64. Ke3 Rf3+ 65. Ke2 Kg5 66. Rb8 f5 67. Rh8 Kf4 68. Rf8 Kg3 69. Rg8 Ra3 70. Rf8 f4 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.12"]
[White "Ocampo, Cristina"]
[Black "Munoz Monroy, Cinthya Carolina"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1771"]
[BlackElo "2032"]
[Annotator "NA RC"]
[PlyCount "80"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. Bg5 Bc5 7. O-O d6 8. Nc3 O-O 9. Na4 Bb6 10. Nxb6 axb6 11. c3 Qe8 12. Nd2 Qg6 13. Bxf6 Rxf6 14. f3 Ne7 15. Qe1 Qg5 16. Rd1 Ng6 17. Rf2 Nf4 18. Kh1 Rh6 19. Nf1 Be6 20. b3 Rf8 21. Rfd2 Rff6 22. Qe3 Rfg6 23. Qf2 Nh5 24. Be8 Bf7 25. Bxf7+ Kxf7 26. Rc2 Qf4 27. g4 Nf6 28. Qe3 Nd7 29. Qxf4+ exf4 30. Rf2 Ne5 31. Rd4 Rh4 32. Nd2 h5 33. gxh5 Rxh5 34. Nc4 Nc6 35. Rd1 b5 36. Nb2 Ne5 37. Nd3 Nxd3 38. Rxd3 Rhg5 39. Rd1 Ke6 40. Rfd2 Rh6 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.13"]
[White "Caballero Quijano, Mitzy Mishell"]
[Black "Hoyos Garces, Rosana"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1992"]
[BlackElo "1586"]
[Annotator "NA RC"]
[PlyCount "63"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 d5 2. Nf3 e6 3. c4 Be7 4. g3 Nf6 5. Bg2 O-O 6. O-O Nbd7 7. b3 b6 8. cxd5 exd5 9. Bb2 Bb7 10. Nc3 Re8 11. Rc1 Ne4 12. Nd2 Bg5 13. Ncxe4 dxe4 14. e3 c5 15. Nc4 Qe7 16. Qe2 Ba6 17. Rfd1 Bf6 18. Ba3 Qe6 19. dxc5 Nxc5 20. Bxc5 bxc5 21. Qh5 Be7 22. Bh3 Qf6 23. Qf5 Qh6 24. Ne5 Rf8 25. Bg2 Bb7 26. Bxe4 g6 27. Qf3 Bxe4 28. Qxe4 Rfe8 29. Qd5 Qg7 30. Nc6 Bf8 31. e4 a5 32. Rc4 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.14"]
[White "Zapata, Olga Maria"]
[Black "Barria Baker, Raisa Melissa"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1695"]
[BlackElo "1941"]
[Annotator "NA RC"]
[PlyCount "86"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c6 4. e3 Qb6 5. b3 Bf5 6. Bd3 Bxd3 7. Qxd3 Nbd7 8. h3 e6 9. O-O Be7 10. Nbd2 O-O 11. c4 a5 12. c5 Qd8 13. Rac1 b6 14. cxb6 Qxb6 15. Ne5 Nxe5 16. Bxe5 Nd7 17. Bg3 Rac8 18. Nf3 Ba3 19. Rc2 Nb8 20. Ne5 f6 21. Nf3 Na6 22. Qe2 Rfe8 23. Rd1 c5 24. dxc5 Nxc5 25. Nd4 Ne4 26. Rxc8 Rxc8 27. Qf3 Bb2 28. Qg4 Bxd4 29. Rxd4 Rc2 30. a4 Rc3 31. Rd1 Rxb3 32. Rc1 Rb1 33. Rxb1 Qxb1+ 34. Kh2 Qb6 35. Qe2 Nc5 36. Qc2 h6 37. f3 Kf7 38. Bf2 Qb4 39. h4 Qc4 40. Qb1 Qxa4 41. Qb6 Qb4 42. Qc7+ Kg8 43. h5 Kh7 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.15"]
[White "Toro Castaneda, Elizabeht"]
[Black "Blanco Noguera, Yoryeth"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1932"]
[Annotator "NA RC"]
[PlyCount "49"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. Bxc6 bxc6 7. Nc3 Nf6 8. Qf3 c5 9. Nf5 g6 10. Nh6 Be6 11. Bg5 Be7 12. Nd5 Bxd5 13. exd5 Rf8 14. O-O Ng8 15. Rae1 Nxh6 16. Rxe7+ Qxe7 17. Bxe7 Kxe7 18. Qe3+ Kd7 19. Qxh6 Rh8 20. Qg7 Raf8 21. Re1 h5 22. h3 Rhg8 23. Qf6 Kc8 24. Re7 Rd8 25. Qxf7 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "2.16"]
[White "Caballero Marrugo, Maria Jose"]
[Black "Prado, Alexandra"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1338"]
[BlackElo "1873"]
[Annotator "NA RC"]
[PlyCount "132"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. Bd2 Nxc3 10. bxc3 Bc5 11. O-O h6 12. Re1 Qf6 13. Be3 Bxe3 14. Rxe3 O-O 15. Bb5 Bg4 16. h3 Rad8 17. Qe2 Bxf3 18. Rxf3 Qd6 19. Bxc6 bxc6 20. Rd3 Qe6 21. Qe3 a5 22. a4 Rd5 23. c4 Rxd3 24. cxd3 Qd6 25. Rd1 Rb8 26. d4 exd4 27. Qxd4 Qxd4 28. Rxd4 Rb4 29. Rd8+ Kh7 30. c5 Rc4 31. Rd7 Rc1+ 32. Kh2 f6 33. g4 Rxc5 34. Ra7 Kg6 35. f4 f5 36. Kg3 Rc3+ 37. Kh4 Rc5 38. Ra6 Kf6 39. Kg3 Rc3+ 40. Kg2 Rc5 41. Kg3 g5 42. fxg5+ hxg5 43. gxf5 Kxf5 44. Kf3 Ke5 45. Kg4 Kf6 46. Kf3 Kf5 47. Kg3 Kg6 48. Kg4 Kh6 49. Kf3 Kh5 50. Kg3 Kh6 51. Kg4 Rc4+ 52. Kg3 Rxa4 53. Rxc6+ Kh5 54. Rc3 Rb4 55. Rd3 a4 56. Kg2 Rb2+ 57. Kf1 Rb3 58. Rd4 a3 59. Ra4 Rxh3 60. Ra5 Kh4 61. Ra4+ g4 62. Kg2 Rb3 63. Kf1 Rb1+ 64. Ke2 Rb2+ 65. Kd1 a2 66. Kc1 Rb1+ 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.1"]
[White "Rivera, Ingris"]
[Black "Llaudy Pupo, Lisandra"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2188"]
[BlackElo "2302"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,121,58,64,22,42,32,75,46,52,60,69,52,63,61,70,22,64,37,47,0,0,0,12,0,31,0,6,0,0,-10,0,0,-13,-8,-17,-37,-34,-36,-19,-73,-75,-104,-104,-129,-131,-138,-137,-130,-115,-117,-119,-140,-99,-127,-120,-123,-104,-143,-143,-143,-143,-160,-162,-172,-170,-163,-173,-167,-162,-158,-166,-168,-153,-161,-143,-147,-144,-173,-170,-175,-163,-169,-169,-197,-183,-193,-64,-119,0,0,-7,-21,-22,-18,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Nc6 6. e3 d5 {E00: Catalan Bogo-Indian (3 g3 Bb4+)} (6... O-O 7. Ne2 d5 8. O-O dxc4 9. Qc2 Bd6 10. Qxc4 e5 11. d5 Nb8 12. Nbc3 a6 13. a4 Re8 14. e4 {0-1 (64) Socko,B (2593)-Wang,Y (2690) Riadh 2017}) 7. a3 Bxd2+ 8. Nxd2 O-O 9. Ne2 Rd8 {LiveBook: 4 Games} 10. Nc3 Rb8 $146 ({Predecessor:} 10... dxc4 11. f4 {0-1 (63) Lonnee,G (1722)-Thys,H (1880) ICCF email 2013}) 11. O-O a6 12. Qe2 dxc4 13. Nxc4 Bd7 14. Rfc1 Be8 15. b4 Nd5 16. Nd2 {[%cal Bc4d2,Bd2e4,Be4c5][%mdl 32]} Na7 17. Nde4 Nb5 18. Nxb5 axb5 19. Nc5 c6 20. Qb2 Nb6 21. Bf1 Ra8 22. Be2 Ra7 23. Rc3 e5 24. dxe5 Qxe5 25. f4 Qf6 26. Rc2 Qxb2 27. Rxb2 Nc4 28. Rb3 (28. Bxc4 $1 $11 {remains equal.} bxc4 29. a4) 28... b6 $17 29. Nd3 Nxe3 30. Ne5 Nf5 $36 {[%mdl 2048] Black has strong initiative.} 31. Kf2 f6 32. Nf3 Bf7 33. Rc3 Bd5 34. Rd1 Rad7 35. Rdc1 Nd6 {...Ne4+ is the strong threat.} 36. Nd2 Ra7 37. Bf3 Bxf3 38. Rxf3 Nf5 39. Nb1 Ne7 40. Re3 Kf7 41. Rec3 Rad7 42. Ke2 Rd4 43. R1c2 h5 44. Nd2 R4d5 45. Nf3 Re8 46. Kf2 Rc8 47. Nd2 c5 48. bxc5 bxc5 49. Ne4 {[%cal Rc3c5]} c4 50. Rb2 Nf5 51. Rc1 Nd4 (51... h4 $19 {White must now prevent ...hxg3+.} 52. g4 Nd6 53. Nxd6+ Rxd6) 52. Nc3 {[#]} ({White should try} 52. Rd2 $1 $15) 52... Rdc5 (52... Nb3 $1 $17 {[%cal Rb3c1]} 53. Nxd5 Nxc1) 53. Rd1 $11 {The position is equal.} Nf5 54. Rd7+ Kg6 55. h3 Ra8 56. Rxb5 Rxb5 57. Nxb5 Ra5 58. Rb7 {[#]} c3 $1 {[%mdl 512]} 59. Nxc3 Rxa3 60. Ne2 Nd6 61. Re7 {Accuracy: White = 44%, Black = 57%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.2"]
[White "Arribas Robaina, Maritza"]
[Black "Cervantes Landeiro, Thalia"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2257"]
[BlackElo "2098"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,56,22,25,12,29,14,15,8,47,38,56,36,29,-271,-271,-268,-270,-281,-283,-277,-273,-268,-266,-296,-289,-288,-283,-280,-283,-320,-320,-416,-285,-431,-434,-401,-396,-956,-926,-940,-960,-892,-639,-639,-636,-625,-625]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. c3 a6 6. O-O O-O {LiveBook: 104 Games. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (6... d6 7. a4 h6 8. Re1 Ba7 9. Nbd2 O-O 10. h3 Re8 11. b4 Be6 12. Bxe6 Rxe6 13. Qc2 Qd7 14. Nf1 Rd8 15. b5 Ne7 {½-½ (30) Bacrot,E (2678)-Nguyen,N (2620) Batumi 2018}) 7. Bg5 Be7 8. Nbd2 d6 {The position is equal.} 9. Bb3 Kh8 $146 ({Predecessor:} 9... h6 10. Bxf6 Bxf6 11. h3 Ne7 12. Nc4 Ng6 13. Ne3 c6 14. Nh2 {½-½ (56) Thjomoe,H (1896)-Ralphs,N (2058) Hersonissos 2017}) 10. Nc4 Nh5 11. Bxe7 Qxe7 12. Nfxe5 $2 {[%mdl 8192]} (12. Ne3 $11 {and White stays safe.}) 12... Nxe5 $19 13. Nxe5 Qxe5 14. d4 Qg5 ({Weaker is} 14... Qxe4 15. Qxh5 Bg4 16. Qa5 $14) 15. Kh1 Bg4 16. f3 Be6 17. g3 Qh6 18. Kg1 Bh3 19. Rf2 Rae8 20. Re2 Qg6 {[#] And now ...Nxg3! would win.} 21. Kh1 Bd7 22. Qe1 (22. Qf1 $142) 22... f5 {[%cal Bf7f5,Bf5f4,Bf4g3][%mdl 32]} 23. e5 dxe5 24. dxe5 $2 (24. Rxe5 f4 25. g4) 24... Bc6 {Black is clearly winning.} 25. Qf2 f4 26. Bc2 fxg3 27. Bxg6 gxf2 {[%cal Rc6f3]} 28. Bxh5 {[#]} Rxf3 $1 {[%mdl 512] Accuracy: White = 37%, Black = 70%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.3"]
[White "Ortiz Verdesoto, Anahi"]
[Black "Marrero Lopez, Yaniet"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2115"]
[BlackElo "2253"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,127,3,20,1,15,15,24,0,0,0,23,-4,9,0,0,0,35,-13,0,0,39,45,34,12,16,-8,-13,-14,0,0,159,157,154,150,142,97,104,98,116,110,108,101,120,127,156,162,184,144,155,111,151,141,308,319,444,460,541,378,389,285,271,244,385,378,378,370,509,470,441,384,369,359,1229,1062,29974,29973,29975,29976,29975,29976,29976,29978,29978,29979,29967,1889,2413,2397,29970,29973,29973,29974,29984,29985,29985,29982,29982,29972,29984,29985,29987,29988,29989,29990,29991,29981,29981,29982,29983,29984,29989,29983,29983,29984,29985,29983,29988,29988]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. e3 b6 6. Be2 {E11: Bogo-Indian} (6. Bd3 Bb7 7. O-O O-O 8. Nc3 d6 9. Rc1 Nbd7 10. Qe2 Bxc3 11. Bxc3 Ne4 12. Nd2 f5 13. Bxe4 fxe4 14. Qg4 Rf6 15. Nxe4 Rg6 16. Qf3 {1-0 (35) Anton Guijarro,D (2652)-Forcen Esteban,D (2569) Linares 2018}) 6... Bb7 {LiveBook: 3 Games} 7. O-O Ne4 8. Qc2 $146 {The position is equal.} ({Predecessor:} 8. a3 Be7 9. Nc3 O-O 10. Rc1 d6 11. Ne1 Nd7 12. Nxe4 Bxe4 13. f3 Bb7 {½-½ (21) Vagner,L (2016)-Hujo,J (2138) Tatranske Zruby 2009}) 8... O-O 9. Bxb4 (9. a3 {feels hotter.} Be7 10. Rd1 f5 11. Nc3 Bf6 12. Bd3) 9... axb4 10. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3d4][%mdl 32]} f5 11. Rfd1 d6 12. d5 Nc5 13. dxe6 Nxe6 14. Nb3 Be4 15. Qd2 Na6 16. Nbd4 $36 {[%mdl 2048] White is pushing.} Nec5 17. a3 b3 18. Qc3 Qf6 19. Rdc1 Bc2 20. Qe1 Na4 $2 (20... Be4 $11) 21. Nxc2 $16 bxc2 22. b4 $1 ({But not} 22. Rxc2 $6 Nxb2 23. Nd4 Na4 $11) 22... Nc3 23. Nd4 ({Stronger than} 23. Rxc2 Nxe2+ 24. Rxe2 Nxb4 $15) 23... Nxe2+ 24. Qxe2 f4 25. Nxc2 fxe3 26. Qxe3 Rae8 27. Qd2 Re5 28. Re1 {[%cal Bc1e1,Be1e2,Be2e4][%mdl 32]} Rf5 {[%cal Rf5f2]} 29. Re2 Nb8 30. Rae1 Nd7 {[#]} 31. Nd4 $1 {[%cal Rd4f5,Bc2d4,Bd4e6,Be6f4,Bf4d5][%mdl 32]} Rh5 $2 {[#]} (31... Re5 $16) 32. Ne6 $1 $18 {[%cal Re6f8]} Qh4 33. h3 Rc8 34. Re4 Qf6 35. Nf4 Re5 36. Nd5 Qf7 (36... Qd8 $142 37. Qd4 Kh8 38. Rxe5 dxe5) 37. f4 Rxe4 38. Rxe4 {Threatens to win with Ne7+.} Kh8 39. Re7 Qf5 40. Qe1 Nf6 41. Rf7 Qd3 $2 (41... Rb8 42. Nxf6 (42. Rxc7 Nxd5 43. cxd5 Qxd5 $18) 42... gxf6) 42. Nxf6 gxf6 {[%mdl 4096] Endgame KQR-KQR} 43. Qe7 Qg6 44. Rf8+ Rxf8 45. Qxf8+ {KQ-KQ} Qg8 46. Qxf6+ Qg7 47. Qd8+ Qg8 48. Qxc7 (48. Qxg8+ $142 Kxg8 49. a4 Kg7 50. a5 bxa5 51. bxa5 Kg6 52. a6 Kf5 53. a7) 48... Qf8 49. Qxb6 Qxf4 50. Qf2 {White mates.} Qc1+ 51. Kh2 {[%cal Rf2f8]} Qh6 52. Qf7 d5 53. Qe8+ Kg7 54. Qe5+ Kf8 55. cxd5 {[%cal Bc4d5,Bd5d6][%mdl 32]} Qc1 56. d6 Qd2 57. b5 h5 58. Qh8+ Kf7 59. Qxh5+ Kf6 60. Qh4+ Kf5 61. Qg4+ Kf6 62. Qg3 Ke6 63. a4 Qb4 64. Qg4+ {Accuracy: White = 63%, Black = 30%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.4"]
[White "Miranda Rodriguez, Tania"]
[Black "Gonzalez Ochoa, Yoana"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2246"]
[BlackElo "2058"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,149,0,35,-20,-10,-24,36,40,49,49,87,49,56,46,59,49,54,35,55,28,29,18,15,0,77,65,76,37,35,31,34,-100,-27,-27,-16,-127,-108,-136,-104,-98,-86,-85,-9,-18,79,-10,-20,-11,2,5,8,0,0,-126,-113,-113,-113,-114,-114,-114,-114,-114,-114,-114,-111,-114,-115,-115,-118,-135,-132,-164,-160,-160,-160,-160,-169,-277,-233,-230,-31,-31,-31,-27,-22,-22,0,0,0,0,0,-8,-6,-20,-8,-8,-8,-64,-64,-228,-64,-64,-64,-64,-64,-64,-8,-54,-8,-8,-8,-8,-8,-8,-8,-8,-8,-253,-253,-256,-8,-8,-8,-8,-8,-8]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 c5 12. Nf1 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} Re8 13. Bc2 Bf8 {[#] LiveBook: 4 Games} (13... Bb7 14. d5 c4 15. b3 Qc7 16. Bb2 a5 17. Qe2 Ba6 18. bxc4 bxc4 19. Ba4 Rec8 {1-0 (60) Miranda Rodriguez,T (2187)-Gonzalez Ochoa,Y (2090) Santa Clara 2018}) 14. b3 $146 ({White should try} 14. d5 $14) ({Predecessor:} 14. Ng3 cxd4 15. cxd4 exd4 16. Nxd4 d5 17. exd5 Rxe1+ 18. Qxe1 Bb7 19. Ngf5 Bxd5 {½-½ (64) Granda Zuniga,J (2699)-Schroeder,J (2507) Helsingor 2016}) 14... cxd4 $11 15. cxd4 Bb7 (15... exd4 $11 16. Ng3 (16. Nxd4 Bb7 $11) (16. Qxd4 Ne5 $11) 16... Bb7) 16. d5 $14 Rc8 17. Bd2 Nc5 18. Ng3 g6 19. Rc1 Be7 20. Re3 h5 21. Qe1 Bf8 22. Ba5 Qe7 23. Rc3 Bh6 24. Nd2 {[#]} h4 (24... Bxd5 $1 $11 {[%mdl 512]} 25. exd5 Nxd5) 25. Ngf1 $16 Nh5 26. b4 Nd7 27. Bd1 Nf4 $1 {[%cal Rf4d3] Hoping for ...Nd3!} 28. Bg4 {[#]} (28. Bf3 $14) 28... Rxc3 (28... f5 $1 $17 {[%cal Rf5g4][%mdl 512]} 29. exf5 Rxc3 30. Rxc3 Nxd5) 29. Rxc3 $11 {Strongly threatening Rc7.} f5 $1 {[%cal Rf5g4]} 30. exf5 (30. Bf3 $11) 30... Nxd5 $17 31. Rc2 N7f6 $1 32. fxg6 Nxg4 33. hxg4 Qg5 (33... Qg7 $17) 34. Qe4 $11 Ba8 (34... Rf8 $11 35. Nf3 Qf4 36. Qxf4 Rxf4 37. Nxh4 Rc4 38. Rxc4 bxc4) 35. Qf5 (35. Nf3 $16 Nf6 36. Nxg5 Bxe4 37. Nxe4 Nxe4 38. f3) 35... Qxf5 36. gxf5 Nf4 37. Ne3 Ne2+ 38. Kf1 Nd4 39. f6 (39. Rc7 $1 $11 {keeps the balance.} Rf8 40. f6 {[%mdl 64] Decoy} Rxf6 41. Ng4 Bxg2+ 42. Kg1 Rxg6 43. Nxh6+ Kh8 44. Nf7+ Kg8 45. Nh6+ Kh8 46. Nf7+ Kg8 47. Nh6+) 39... Nxc2 $17 {[%mdl 64] Pin} 40. f7+ Kf8 41. fxe8=Q+ Kxe8 42. Nxc2 {Threatens to win with Ne3.} Bxd2 {[%mdl 4096] Endgame KBB-KBN} 43. Ne3 {[#]} Be4 $1 44. Ke2 Bc3 45. g7 Kf7 {And now ...Bxg2! would win.} 46. f3 Bb1 47. Nd5 Bd4 48. Nf6 Kxg7 49. Ne8+ Kf7 50. Nxd6+ {[#]} Ke6 $1 {[%cal Re6d6]} 51. Ne8 (51. Ne4 {keeps fighting.}) 51... Bxa2 52. Nc7+ Kd7 $2 ({Black should play} 52... Kf5 $19 53. Nxa6 Bc4+ 54. Kd1 Kf4) 53. Nxa6 $15 Bc4+ 54. Ke1 $1 Ke7 55. Nc5 Kf7 56. Ne4 Kg6 57. Bd8 Bd3 58. Be7 Kf5 59. Kd2 Bxe4 60. fxe4+ $11 {KB-KB} Kg4 {Threatening ...Kg3.} 61. Ke2 (61. Bc5 $1 $11 Bb2 62. Bf2) 61... Kg3 $15 62. Kf1 $2 (62. Bf6 $15) 62... Bc3 $2 (62... Bb2 $19 63. Ke2 Bc3) 63. Ke2 $1 Kxg2 {...h3 is the strong threat.} 64. Bxh4 Bxb4 65. Bf2 Bc3 (65... Be7 $15) 66. Bb6 b4 {[%cal Bb5b4,Bb4b3][%mdl 32]} 67. Kd3 Kf3 68. Bc5 Be1 69. Bd6 Kf4 70. Bf8 b3 {aiming for ...b2.} 71. Bh6+ $2 (71. Ba3 $11 {and White stays safe.}) 71... Kf3 $19 72. Bc1 Bb4 $2 (72... Bf2 $19 73. Kc4 Kxe4) 73. Kc4 $11 {[#]The position is equal.} Bd2 $1 {[%mdl 512]} 74. Bb2 (74. Bxd2 b2) 74... Kxe4 75. Kxb3 {Accuracy: White = 34%, Black = 39%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.5"]
[White "Roca Rojas, Ana Flavia"]
[Black "Perez Rodriguez, Jennifer"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2132"]
[BlackElo "2203"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,153,8,10,22,6,0,2,0,43,4,20,-6,-5,0,0,-2,2,-31,-32,-71,-72,-69,-68,-87,-57,-74,-84,-116,-116,-112,-104,-183,-183,-179,-159,-149,-138,-148,-146,-136,-138,-152,-139,-174,-182,-198,-192,-188,-166,-170,-174,-155,-121,-121,-121,-102,-102,-102,-100,-183,-175,-208,-200,-220,-220,-137,-136,-229,-229,-322,-322,-322,-322,-873,-795,-732,-322,-924,-322,-322,-322,-322,-322,-322,-322,-322,-322,-3686,-3608,-2755,-1963,-29964,-29965,-29965,-29965,-29966,-29967,-29967,-29967,-29970,-29971,-29971,-29972,-29984,-29972,-29985,-29973,-29985,-29976,-29978,-29979,-29978,-29979,-29977,-171,-171,-170,-170,-170,-170,-170,-211,-211,-211,-162,-162,-162,-162,-162,-162,-162,-211,-211,-211,-162,-211,-211,-211,-211,-211,-211,-211,-189,-189]} 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Na5 5. Nge2 Nxc4 6. dxc4 d6 {LiveBook: 64 Games} 7. h3 {C28: Vienna Game: 2...Nf6 3 Bc4 Nc6} Be6 8. Qd3 (8. b3 Be7 9. O-O a6 10. f4 b5 11. Qd3 bxc4 12. bxc4 c6 13. f5 Bc8 14. g4 a5 {½-½ (38) Jaracz,P (2558)-Naiditsch,A (2707) Germany 2011}) 8... Nd7 9. b3 {The position is equal.} Nc5 $146 ({Predecessor:} 9... g6 10. Be3 Bg7 11. Qd2 O-O 12. g4 Re8 13. O-O-O Nc5 14. f3 a5 15. a4 Re7 16. Bxc5 {1-0 (16) Van de Wynkele,H (1985)-Appelt,G (2011) Radebeul 2016}) 10. Qf3 g6 11. Bb2 Bg7 12. O-O-O Qg5+ 13. Kb1 O-O-O 14. g4 h5 {[%cal Rh5g4]} 15. Rhg1 hxg4 16. hxg4 Rh2 17. Rg3 Rdh8 18. Bc1 Qf6 19. Qxf6 Bxf6 20. g5 Bd8 21. f3 (21. Be3 $17) 21... R8h3 $19 22. Rdg1 Rxg3 23. Rxg3 Rh3 24. Nd5 Rxg3 25. Nxg3 Bh3 26. f4 Bg2 27. fxe5 dxe5 28. Bb2 Bxg5 29. Bxe5 c6 30. Nc3 Bd2 31. Kb2 Bxc3+ 32. Kxc3 Nxe4+ 33. Kd4 Nxg3 34. Bxg3 $17 {[%mdl 4096] Endgame KB-KB} f6 $1 35. b4 (35. Kc5 $17) 35... Kd7 36. b5 g5 37. a4 {[#]} Bf1 $1 38. Bb8 a6 39. bxa6 (39. b6 $17) 39... bxa6 $19 40. a5 (40. Ba7 $142) 40... Ke6 41. Bc7 Kf5 42. Bd8 $2 (42. Kc5 Kg4 43. Kxc6) 42... Kg6 43. Kc5 f5 44. Kxc6 $2 (44. Kd4) 44... Bxc4 $2 (44... f4 45. Bc7 Bxc4) 45. Kc5 Be2 46. Kd4 f4 47. Ke5 Kh5 48. Kf5 Bg4+ 49. Ke4 $2 (49. Kf6) 49... Bd7 50. Be7 Kg4 51. Kd3 Kf5 52. Ke2 g4 {[%cal Bg5g4,Bg4g3][%mdl 32]} 53. Bh4 Bc6 54. Kf2 Kg6 55. c3 Kh5 56. Be7 g3+ 57. Kg1 Kg4 58. Bc5 f3 59. Bb6 Kf5 60. c4 Ke4 61. Ba7 Kd3 62. Kf1 Kxc4 $2 (62... Bd7 {mates} 63. Ke1 Kxc4 64. Kf1 Kb4 65. Bb6 f2 66. Bxf2 gxf2 67. Kg2 Kxa5 68. Kxf2 Kb4 69. Ke2 a5 70. Kd2 Kb3 71. Kc1 Bf5 72. Kd2 a4 73. Ke3 a3 74. Kf4 Bc8 75. Kg5 a2 76. Kf6 a1=Q+ 77. Kf7 Qe5 78. Kg6 Be6 79. Kh6 Qf6+ 80. Kh7 Qg5 81. Kh8 Qh6#) 63. Bb8 {Black is clearly better.} Kb5 64. Bxg3 Kxa5 65. Ke1 Kb4 {...a5 is the strong threat.} 66. Bd6+ Ka4 67. Kd2 Kb3 {Hoping for ...a5.} 68. Bc7 Bb5 {( -> ...f2)} 69. Ke3 {[#]} Be2 $1 70. Kd2 Kb4 71. Bb6 a5 {[%cal Ba6a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 72. Kc2 Ka3 73. Kb1 a4 74. Ka1 Kb3 75. Ba7 a3 76. Bb6 a2 77. Ba7 {Accuracy: White = 34%, Black = 80%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.6"]
[White "Fernandez, Maria Florencia"]
[Black "Chirivi C, Jenny Astrid"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2198"]
[BlackElo "2118"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,83,12,0,61,61,54,52,51,47,62,45,83,74,77,-37,-42,-35,-35,-43,-39,-35,-55,-33,0,0,0,-25,-14,-54,81,67,56,53,179,214,190,149,233,228,236,235,262,255,285,121,403,406,405,402,402,402,404,397,609,609,564,416,662,648,797,685,3239,2803,29979,29980]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Nbd7 9. Qe2 Bg6 10. Rd1 O-O 11. Bd3 Re8 {D19: Slav Defence: 5 a4 Bf5 6 e3: Main line with 9 Qe2} (11... Bxd3 $11 12. Qxd3 Qe7) (11... Bxd3 12. Rxd3 Qe7 13. e4 e5 14. Bg5 exd4 15. Rxd4 Bc5 16. Rd2 Ne5 17. Rad1 Rae8 18. Nd4 h6 19. Nf5 Qe6 20. Be3 Bxe3 21. Nxe3 {½-½ (45) Melkumyan,H (2678)-Bluebaum,M (2530) Bad Wiessee 2014}) 12. Bxg6 $14 hxg6 13. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Qa5 {White is slightly better.} 14. e5 Nd5 $146 ({Predecessor:} 14... Ng4 15. Ne4 Bf8 16. Bd2 Qc7 17. b4 f6 18. h3 Nh6 19. Bxh6 gxh6 20. exf6 {1-0 (42) Nakagori,K (2136)-Kimende,R (2179) Turin 2006}) 15. Ne4 Re7 16. Bg5 f6 17. Nh4 (17. Be3 $16) 17... fxg5 $15 18. Nxg6 Nf4 19. Nxe7+ Bxe7 20. Qg4 $1 {Black must now prevent g3.} Qd5 21. Nc3 $1 {[%cal Rc3d5]} Qb3 22. g3 Ng6 23. h4 {[%cal Bh2h4,Bh4h5,Bh5h6][%mdl 32]} Rf8 24. h5 Ngxe5 (24... Nh8 $1 $15) 25. dxe5 $16 Nxe5 26. Qe2 $1 {[%cal Re2e5]} Nf3+ {[#]} (26... Rf5 $1 $14) 27. Kg2 $1 $18 {Rd3 is the strong threat.} g4 {[#]} 28. h6 $1 $36 {[%mdl 2560] White has strong initiative.} e5 (28... gxh6 $16 29. Rd7 Rf7) 29. Rd7 Qe6 30. Rxb7 gxh6 31. Rd1 ({Not} 31. Rxa7 Bc5 $16) 31... Rf7 32. b3 (32. Qd3 $18 {and White stays clearly on top.}) 32... h5 $2 {[%mdl 8192]} (32... Qf5 $16 {was worth a try.}) 33. Qc4 Qxc4 34. bxc4 Bc5 35. Rdd7 Rxd7 36. Rxd7 {[%mdl 4096] Endgame KRN-KBN} h4 (36... Bb4 $142 37. Ne4 Ne1+ 38. Kf1 a5 39. Nf6+ Kf8 40. Nxh5 e4) 37. gxh4 Nxh4+ 38. Kf1 Bd4 (38... Bb4 $142 39. Ne4 (39. Rxa7 Bxc3 40. a5 Nf3 $18) 39... a5 40. Nf6+ Kf8 41. Nxg4 Ng6) 39. Ne4 Nf3 40. c5 Kf8 41. Rxa7 Ba1 42. a5 {Accuracy: White = 62%, Black = 22%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.7"]
[White "Cosme Contreras, Trilce"]
[Black "Rodriguez Rueda, Paula Andrea"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1829"]
[BlackElo "2275"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,88,-10,-20,-12,-54,-32,-68,-62,-41,-61,-83,-77,-71,0,-62,-56,-71,-59,-56,2,0,0,-15,-22,-77,-75,-71,-59,-89,-79,-81,-122,-149,-80,-76,-79,-76,-61,-45,-52,-52,38,0,0,0,0,-22,-38,-75,-12,-17,0,-297,-283,-294,-287,-222,-153,-153,-147,-155,-154,-163,-148,-392,-469,-454,-460,-454,-450,-1038,-1038,-29992,-29993,-29997,-29998,-29998,-29999]} 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c6 5. Bg5 h6 6. Bh4 dxc4 7. e3 b5 {D43: Semi-Slav: 5 Bg5 h6} 8. Be2 a6 $146 ({Predecessor:} 8... Bb7 9. O-O Be7 10. Ne5 Nbd7 11. Bg3 Nxe5 12. Bxe5 O-O 13. Bf3 Qb6 14. a4 Rad8 15. Qc2 {0-1 (32) Cruz,F (2345)-Granda Zuniga,J (2623) Arequipa 2003}) 9. h3 Be7 {Black is slightly better.} 10. O-O O-O 11. Ne5 Bb7 12. Bf3 Nd5 (12... Nfd7 $1 $17 13. Bg3 Nxe5 14. Bxe5 Nd7) 13. Bg3 (13. Bxe7 $11 Qxe7 14. Ne4) 13... Nd7 $15 14. Nxd7 Qxd7 15. Ne4 Rad8 (15... Rfe8 $15) 16. Nc5 Qc8 {...Bxc5 is the strong threat.} 17. Qe2 Rfe8 18. a3 (18. b3 $11) 18... Bxc5 $17 19. dxc5 e5 {[%cal Be6e5,Be5f4][%mdl 32]} 20. e4 Nf4 21. Bxf4 exf4 22. Rad1 {[#]} Qc7 ({Black should try} 22... Rd5 $1 {[%mdl 512]} 23. Qe1 (23. Rxd5 cxd5) 23... Rxc5) 23. Rxd8 Qxd8 24. Rd1 Qe7 25. Rd6 Qe5 26. Qd2 $1 a5 ({Better is} 26... Kf8 $15) 27. Rd7 Bc8 28. Rd8 a4 29. Qd6 Qxd6 30. Rxd6 $11 {[%mdl 4096] Endgame KRB-KRB} Bb7 (30... Kf8 $1 $17) 31. Rd7 Bc8 32. Rc7 $2 {[%mdl 8192]} (32. Rd6 $1 $11 {and White has nothing to worry.}) 32... b4 33. axb4 a3 $1 {[%cal Ra3b2]} 34. bxa3 Rd8 $1 35. e5 Bf5 {Strongly threatening ...c3.} 36. Bxc6 ({Avoid the trap} 36. Rxc6 $2 c3 $19) 36... c3 37. Ba4 {[#] And now b5 would win.} Ra8 $1 {[%cal Ra8a4]} 38. Bd1 $2 ({Don't go for} 38. Bb3 $2 Rxa3 39. Rc8+ Bxc8 $19) (38. e6 $17 {was forced.} Bxe6 39. Bc2 Rxa3 40. Rb7 Ra1+ 41. Kh2) 38... Rxa3 $19 39. Kh2 Ra1 40. Bb3 {[#]} Rb1 $1 {[%cal Rb1b3]} 41. Bxf7+ (41. Ba4 $142 Rxb4 42. Ra7) 41... Kh7 {aiming for ...c2.} 42. e6 c2 {Black mates.} 43. e7 c1=Q {[%csl Gb1][%cal Rc1h1]} 44. Bg8+ Kh8 {Accuracy: White = 36%, Black = 58%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.8"]
[White "Cori T., Deysi"]
[Black "Caballero Quijano, Mitzy Mishell"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2406"]
[BlackElo "1992"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,89,25,27,16,45,27,47,39,50,43,52,45,49,47,39,34,74,76,81,80,81,25,0,0,91,70,69,75,91,91,314,304,425,439,417,423,492,490,472,411,630,624,930,914,902,520,1243,1187,839,806,762,394,697,691,705,388,1050,381,859,852,1141,644,1168,1058,5318,4374,29982,29977]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 c6 5. Bg2 Bd6 6. O-O Nbd7 7. Nbd2 O-O 8. Qc2 Qe7 9. Rd1 {E01: Catalan: Early deviations} (9. Re1 e5 10. dxe5 Nxe5 11. cxd5 Nxd5 12. Nxe5 Bxe5 13. Nc4 Bf6 14. Bd2 Qc5 15. Rac1 Be6 16. Na5 Qb6 17. a3 Qxb2 {0-1 (65) Jumabayev,R (2545)-Timofeev,A (2631) St Petersburg 2012}) 9... b6 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Bb7 {LiveBook: 3 Games} 13. Bg5 Nf6 14. Qe2 h6 15. Bxf6 Qxf6 16. Ne5 Rfc8 $146 ({Predecessor:} 16... Bxe5 17. dxe5 Qe7 18. Rd6 c5 19. Bxb7 Qxb7 20. Rad1 {1-0 (69) Doner,M (1879)-Akkok,D (1730) Konya 2017}) 17. Rac1 Rc7 18. Rd3 Qe7 19. Rcd1 Rd8 20. c5 Bxe5 21. dxe5 Rcd7 22. cxb6 (22. Rd6 $16) 22... axb6 $11 23. h4 Kf8 (23... c5 $11 {keeps the balance.}) 24. b4 {[%cal Bb2b4,Bb4b5,Bb5c6][%mdl 32]} Rxd3 25. Rxd3 Rxd3 26. Qxd3 {Hoping for b5.} Qc7 $2 {[#]} (26... Ke8 $16) 27. b5 $1 $18 Ke8 28. Qe4 Kd7 29. Qf3 Ke8 30. bxc6 Bc8 31. Qc3 h5 (31... Ba6 $142 32. f4 Qe7) 32. Bf3 g6 33. Qd4 Ba6 34. a4 Ke7 (34... b5 $142 35. Qd3 Qd8) 35. Qb4+ Ke8 36. Kg2 Bc8 37. Qb5 Ke7 $2 {[#]} (37... Kf8 38. Kh2 Kg7) 38. Be4 Ke8 39. f4 Ke7 $2 (39... Qa7 40. c7+ Kf8) 40. Kf3 $2 (40. Qb4+ Ke8 41. Qd6 Qxd6 42. exd6) 40... Ke8 $2 (40... Kf8 41. Bd3 Kg7) 41. Qb4 Ba6 42. Ke3 Qe7 43. Qd6 Qxd6 44. exd6 Kd8 45. Kd4 {Accuracy: White = 56%, Black = 25%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.9"]
[White "Besso, Guadalupe"]
[Black "Aliaga Fernandez, Ingrid Y"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2069"]
[BlackElo "2194"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,55,-37,-38,-45,-41,-47,-41,-46,-26,-40,-32,-52,-17,-40,-22,-21,0,0,-2,-13,0,-20,11,0,50,0,80,-98,-116,-768,-672,-1657,-1134,-1204]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O b5 7. Bb3 Bb7 8. Qe2 Nbd7 9. Rd1 c5 10. dxc5 Bxc5 11. Nc3 Qc7 12. h3 O-O 13. Bd2 {D29: Queen's Gambit Accepted: Classical main line: 7 Qe2 with early ...Nbd7} (13. a3 Rfd8 14. Bd2 Ne5 15. Ne1 Qc6 16. Bc2 Nc4 17. Bc1 Be7 18. Na2 Rxd1 19. Qxd1 Rd8 20. Qe2 Ne4 21. Bxe4 Qxe4 {0-1 (38) Gyokbulut,J (2098)-Yildiz,B (2296) Kocaeli 2014}) 13... Rac8 14. Rac1 Qb8 15. Be1 $146 {Black is slightly better.} ({Predecessor:} 15. a3 b4 16. axb4 Bxb4 17. Bc2 Bxc3 18. Bxc3 Ne4 {½-½ (18) Siegmund,R (2187)-Hostalet Ferrer,P (2092) Benidorm 2007}) 15... Ne5 16. Nd4 Rfe8 17. a3 Qa8 18. Qf1 Ng6 19. f3 Qa7 20. Bf2 Qb8 21. Nce2 Ba8 22. e4 Ba7 23. Qe1 h5 24. Qa5 Qb7 {[#]} (24... Rxc1 $11 25. Rxc1 Ne5) 25. Be3 $2 (25. Rxc8 $1 $16 {stays on course.} Rxc8 26. Nxe6) 25... Nxe4 26. fxe4 $2 {[%mdl 8192]} (26. Rxc8 $17 Rxc8 27. Kh1) 26... Qxe4 $19 {[%csl Ga8][%cal Re4g2][%mdl 64] Double Attack} 27. Nf3 Bxe3+ 28. Kh2 {[%mdl 32768] Accuracy: White = 17%, Black = 20%. . Sensor Board Error (Ke4/e5)?} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.10"]
[White "Franco Valencia, Beatriz Irene"]
[Black "Toro Castaneda, Elizabeht"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2191"]
[BlackElo "1932"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,83,35,26,35,35,47,52,54,36,48,37,39,24,39,41,41,32,40,0,0,-18,0,-11,0,-27,-13,-29,14,8,8,0,206,198,203,210,214,176,225,73,257,237,250,21,219,0,0,0,0,0,0,0,0,0,0,-161,-163,-154,-154,-137,-154,-137,-111,-139,-138,-363,-341,-285,-85,-85,-85,-85,-100,-117]} 1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 d6 5. Nc3 Na6 (5... O-O 6. Nge2 e5 7. O-O Nc6 8. dxe5 dxe5 9. b3 a5 10. Bb2 b6 11. Nd5 Bb7 12. Re1 Re8 13. Qd2 Nb4 14. Rad1 c6 15. Ne3 Qxd2 16. Rxd2 Bh6 {1-0 (54) Vachier Lagrave,M (2796)-Ivanchuk,V (2738) Leuven 2017}) 6. Nge2 {B07: Pirc Defence: Miscellaneous Systems} c5 7. d5 {LiveBook: 4 Games} Nc7 8. a4 {White is slightly better.} Bd7 9. O-O O-O 10. h3 b6 $146 ({Predecessor:} 10... b5 11. axb5 Nxb5 12. f4 Ne8 13. Nxb5 Bxb5 14. Re1 Nc7 15. Nc3 Bd7 16. e5 Nb5 17. Nxb5 Bxb5 18. Bd2 a5 19. Bc3 a4 20. Qd2 Qb6 21. g4 {½-½ (21) Juranic,B (2184)-Fradkin,B (2426) Opatija 2013}) 11. f4 Rb8 12. g4 a6 13. Ng3 b5 14. axb5 axb5 15. e5 (15. g5 $14) 15... Nfe8 $11 16. Nce4 b4 17. exd6 exd6 18. f5 {[%cal Bf4f5,Bf5f6][%mdl 32] And now f6! would win.} Bd4+ 19. Kh1 Bb5 20. Rf3 $36 {[%mdl 2048] White is more active.} Bc4 21. Bh6 (21. c3 {with more complications.} bxc3 22. bxc3 Bg7 23. Bg5 f6 24. Bd2) 21... Bg7 $2 (21... Bxb2 $11 22. Bxf8 Kxf8) 22. Bxg7 $18 Kxg7 23. f6+ $1 Kg8 24. Qd2 {Strongly threatening Qh6.} Bxd5 {[#]} 25. Raf1 $2 (25. Qh6 $1 $18 {and the rest is easy. Intending Ng5! and mate.} Ne6 26. Re1) 25... Bb7 $2 (25... Bxe4 $16 26. Nxe4 d5 27. Nxc5 Rb5) 26. Qh6 {White threatens Ng5! and mate.} Ne6 27. R3f2 $2 (27. h4 $18) 27... Qc7 $2 (27... d5 $11 {and Black has nothing to worry.} 28. Ng5 Nxg5 29. Qxg5 b3) 28. Nf5 $2 (28. Re2 $18) 28... Bxe4 $1 $11 ({Don't go for} 28... gxf5 $2 29. gxf5 Kh8 30. fxe6 $18) 29. Ne7+ $1 Kh8 30. Bxe4 Nxf6 $1 {[#]} 31. Nxg6+ $1 {[%mdl 512]} fxg6 {[%cal Bf7g6,Bg6g5][%mdl 32]} 32. Rxf6 Qg7 33. Qh4 $2 {[#]} (33. g5 $1 $11 {and White is okay.}) 33... g5 $1 $19 {[%cal Rg5h4]} 34. Rxf8+ Rxf8 35. Rxf8+ Nxf8 36. Qf2 Ng6 37. Bxg6 hxg6 38. b3 $2 (38. c3 $17 {is a better defense.}) 38... Qa1+ 39. Kg2 Qe5 $2 (39... Kg7 $19 {is more deadly.} 40. Qe2 Qe5) 40. Qf8+ $17 {Black is better.} Kh7 41. Qf7+ Qg7 42. Qe6 {Accuracy: White = 52%, Black = 51%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.11"]
[White "Prado, Alexandra"]
[Black "Cordero, Daniela"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1873"]
[BlackElo "2085"]
[Annotator "NA RC"]
[PlyCount "94"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 dxe4 5. dxe4 Nc6 6. Bg2 e5 7. Ngf3 Bc5 8. O-O O-O 9. c3 a5 10. a4 b6 11. h3 Ba6 12. Re1 Qe7 13. Nh4 g6 14. Qb3 Nh5 15. Nf1 Nxg3 16. Nf5 Nxf5 17. exf5 Qf6 18. Be3 gxf5 19. Bxc5 bxc5 20. Qd5 e4 21. Qxc5 Ne5 22. Re3 Kh8 23. Ng3 f4 24. Rxe4 fxg3 25. Qxe5 gxf2+ 26. Kh2 Qxe5+ 27. Rxe5 Rae8 28. Rxa5 Re1 29. Rxa6 Rxa1 30. Rf6 Rxa4 31. Rxf2 Kg7 32. Bd5 Ra1 33. b4 f5 34. b5 Kf6 35. c4 Ke5 36. Re2+ Kd4 37. Kg2 f4 38. Kf2 Ra3 39. Re4+ Kd3 40. Re7 Ra2+ 41. Kf3 Ra3 42. Rxh7 Kd4+ 43. Kf2 f3 44. Rf7 Rxf7 45. Bxf7 Ke5 46. Bd5 Kf4 47. Bxf3 Rxf3+ 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.12"]
[White "Castrillon Gomez, Melissa"]
[Black "Ocampo, Cristina"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2301"]
[BlackElo "1771"]
[Annotator "RC"]
[PlyCount "89"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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 Be7 7. Re1 O-O 8. h3 d6 9. c3 Be6 10. Bc2 d5 11. d4 Nxe4 12. dxe5 Bc5 13. Be3 Bxe3 14. Rxe3 Re8 15. Nbd2 Nxd2 16. Qxd2 Ne7 17. Nd4 Qd7 18. g4 c5 19. Ne2 Nc6 20. f4 d4 21. cxd4 Nxd4 22. Nxd4 Qxd4 23. Qxd4 cxd4 24. Rd3 Rac8 25. Rd2 h5 26. Bd1 hxg4 27. hxg4 Rcd8 28. b3 Re7 29. Bf3 d3 30. Rad1 Rd4 31. Kf2 Rxf4 32. Kg3 Rd4 33. Rxd3 Rxd3 34. Rxd3 a5 35. Rd8+ Kh7 36. Ra8 a4 37. bxa4 b4 38. Be4+ g6 39. Kf4 Bxa2 40. a5 b3 41. a6 b2 42. a7 Bd5 43. Rb8 Bxe4 44. Kxe4 Rxa7 45. Rxb2 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.13"]
[White "Munoz Monroy, Cinthya Carolina"]
[Black "Zapata, Olga Maria"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2032"]
[BlackElo "1695"]
[Annotator "NA RC"]
[PlyCount "125"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 Nf6 8. Bc4 e6 9. Bd2 Qb6 10. Qd3 Nbd7 11. O-O Bd6 12. Rfe1 O-O 13. Ne4 Nxe4 14. Rxe4 Nf6 15. Rh4 g6 16. Re1 Rfe8 17. Qf3 Nd5 18. Bxd5 exd5 19. Rxe8+ Rxe8 20. Rxh7 Qc7 21. Rh4 Qe7 22. g3 f5 23. Rh6 Kg7 24. Be3 Qe4 25. Qxe4 Rxe4 26. Rh4 Rxh4 27. gxh4 f4 28. Bd2 Kf6 29. Kg2 Kf5 30. Kf3 b5 31. a3 a6 32. Bb4 Bc7 33. Be7 Bb8 34. Bf8 Bc7 35. Bh6 Bd6 36. Bg7 Bc7 37. Be5 Bd8 38. Bxf4 Bxh4 39. Be3 Be7 40. Bd2 Bh4 41. Bb4 Bf6 42. c3 Bd8 43. Bd6 Bg5 44. b3 Bd8 45. Ke3 Bg5+ 46. Kd3 Bf6 47. c4 Bd8 48. a4 bxa4 49. bxa4 Bg5 50. f3 Ke6 51. Bg3 Bd8 52. cxd5+ Kxd5 53. Be1 Bf6 54. Bc3 Bg7 55. f4 Bf6 56. a5 Bg7 57. h4 Bf6 58. f5 gxf5 59. h5 Bg7 60. Bd2 f4 61. Bxf4 Bxd4 62. h6 Ba1 63. Bd2 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.14"]
[White "Barria Baker, Raisa Melissa"]
[Black "Gomez Guardo, Laura Meli"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1941"]
[BlackElo "1842"]
[Annotator "NA RC"]
[PlyCount "60"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. h3 Nbd7 6. e4 e5 7. d5 Nc5 8. Qc2 a5 9. Be3 Qe7 10. Be2 O-O 11. Nd2 Ne8 12. Nb3 Nxb3 13. axb3 f5 14. exf5 Bxf5 15. Bd3 Qf7 16. O-O Qd7 17. f3 Nf6 18. Ne4 Nh5 19. Qd2 b6 20. g4 Bxe4 21. fxe4 Nf4 22. Bxf4 exf4 23. Rxf4 Bd4+ 24. Kh1 Rxf4 25. Qxf4 Rf8 26. Qg3 Qf7 27. Rd1 Be5 28. Qg2 Qf3 29. Rd2 Qe3 30. Bc2 Qe1+ 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.15"]
[White "Blanco Noguera, Yoryeth"]
[Black "Moncada Correa, Sara"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1792"]
[Annotator "NA RC"]
[PlyCount "100"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. e3 c5 5. Nc3 a6 6. Be2 dxc4 7. Bxc4 b5 8. Be2 Bb7 9. O-O Nbd7 10. a3 cxd4 11. Nxd4 Be7 12. Bf3 Qc7 13. Bxb7 Qxb7 14. Qf3 Qxf3 15. Nxf3 O-O 16. b4 Nb6 17. Ne5 Rac8 18. Bb2 Bd6 19. f4 Bxe5 20. fxe5 Ng4 21. Nd1 Nc4 22. Bd4 Ngxe5 23. Rf2 Rfd8 24. Nb2 Nxb2 25. Rxb2 Nc4 26. Rf2 f6 27. h3 Rd5 28. Bc5 Rd3 29. a4 Rcd8 30. Kh2 e5 31. Rf3 Nd2 32. Rg3 Nb3 33. Ra2 Nxc5 34. bxc5 b4 35. a5 Rc8 36. Rb2 b3 37. e4 Rxg3 38. Kxg3 Rxc5 39. Rxb3 Rxa5 40. Kf3 Kf7 41. Rb7+ Kg6 42. Rb3 Ra1 43. Re3 a5 44. Kg3 a4 45. Rf3 Rb1 46. Kh4 Rb3 47. Rf2 a3 48. g4 Rb2 49. Rf1 Rg2 50. Ra1 Kh6 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.18"]
[Round "3.16"]
[White "Hoyos Garces, Rosana"]
[Black "Caballero Marrugo, Maria Jose"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1586"]
[BlackElo "1338"]
[Annotator "NA RC"]
[PlyCount "58"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Qxe7+ Bxe7 8. Be2 O-O 9. Be3 Nc6 10. O-O Be6 11. Nd4 Nxd4 12. Bxd4 Nd5 13. Nc3 Nxc3 14. Bxc3 Rad8 15. a3 d5 16. Be5 Bd6 17. Bxd6 Rxd6 18. Rfe1 Re8 19. Bf3 Kf8 20. Kf1 b6 21. Re2 Rd7 22. Rae1 Rde7 23. g3 d4 24. Kg2 c5 25. a4 Bd7 26. Rxe7 Rxe7 27. Rxe7 Kxe7 28. b3 Kd6 29. h4 Ke5 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.1"]
[White "Llaudy Pupo, Lisandra"]
[Black "Ortiz Verdesoto, Anahi"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2302"]
[BlackElo "2115"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,97,120,123,121,25,33,37,54,56,58,54,76,77,85,72,120,123,117,95,115,114,137,141,162,132,127,127,194,176,179,202,223,230,234,239,278,194,194,193,182,197,190,198,196,184,225,229,223,241,241,114,181,189,178,183,341,301,475,465,472,474,517,487,629,629,620,599,589,593,620,620,1616,1603,29970,29967,29975,29976,29980,29981,29981,29982,29982,29983,29983,29984,29985,29986]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 g6 5. d4 exd4 6. Nd5 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6} Nxd5 (6... Bg7 7. Bg5 h6 8. Bf6 Bxf6 9. Nxf6+ Kf8 10. Qd2 a6 11. Bc4 Nf5 12. Nd5 Nd6 13. Bd3 Kg7 14. O-O-O Re8 {1-0 (47) Navara,D (2726)-Movsesian,S (2653) Prague 2016}) 7. exd5 {LiveBook: 21 Games} Qe7+ 8. Be2 (8. Kf1 $16) 8... Ne5 $11 9. Nxd4 d6 10. O-O Bg7 11. Bb5+ c6 12. dxc6 O-O 13. Re1 $146 ({Predecessor:} 13. c3) 13... Qc7 {[%cal Rb7c6]} 14. cxb7 Bxb7 15. c3 Rab8 16. Bf1 Ba8 17. a4 d5 18. Nb5 Qd7 19. Bf4 f6 (19... Rbe8 $16 20. Qd2 a6) 20. b3 Qf7 21. Rc1 g5 22. Be3 a6 23. Nd4 f5 24. f4 (24. Bxa6 $6 f4 $18) 24... Ng4 25. fxg5 Qc7 {[%csl Gg4][%cal Rc7h2] [#]} 26. g3 ({Avoid the trap} 26. Bxa6 $2 Rbe8 $19) 26... Nxe3 27. Rxe3 f4 28. Rf3 fxg3 29. Rxg3 Qf4 {intending ...Rbc8.} 30. Rc2 ({Stronger than} 30. Bxa6 Rxb3 31. Kh1 Bxd4 $11) 30... Rbe8 31. Re2 (31. Bxa6 $18 {has better winning chances. g6 is the strong threat.} Re3 32. Rg4 Re1+ 33. Qxe1 Qxg4+ 34. Kh1) 31... Bxd4+ (31... Re4 $16) 32. cxd4 $18 Rxe2 33. Bxe2 ({Don't play} 33. Qxe2 Qxd4+ 34. Qe3 Qa1 $16) 33... Rc8 $2 (33... Bb7 {keeps fighting.} 34. g6 h6) 34. Qd3 Rf8 (34... Bb7 {was necessary.} 35. g6 Re8 36. gxh7+ Kh8) 35. g6 h5 36. Qe3 {White wants to mate with Qe6+.} Qxe3+ 37. Rxe3 {[%mdl 4096] Endgame KRB-KRB} Kg7 38. Bxh5 Kh6 39. Be2 Kxg6 40. Bxa6 Kg5 41. Bb5 Kf4 42. Re8 Rxe8 43. Bxe8 {KB-KB. White mates.} Ke3 44. h4 {[%cal Bh2h4,Bh4h5,Bh5h6,Bh6h7][%mdl 32]} Kxd4 45. h5 Ke5 46. h6 Kf6 47. h7 Kg7 {[#]} 48. Bg6 $1 {[%mdl 512]} d4 (48... Kxg6 49. h8=Q) 49. Bd3 {Accuracy: White = 66%, Black = 32%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.2"]
[White "Rivera, Ingris"]
[Black "Fernandez, Maria Florencia"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2188"]
[BlackElo "2198"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,40,25,27,25,29,34,31,23,68,0,0,0,15,0,4,14,15,0,-14,-6,0,-7,-12,-12,-12]} 1. d4 d6 2. c4 e5 3. d5 f5 4. Nc3 Nf6 5. e4 fxe4 (5... g6 6. Bd3 Bg7 7. exf5 gxf5 8. Qc2 Qd7 9. Nh3 Na6 10. a3 Nc5 11. Be2 a5 12. Be3 h6 13. O-O {0-1 (27) Flom,G (2448)-Onischuk,V (2623) Bastia 2017}) 6. Nge2 {[%cal Bg1e2,Be2g3,Bg3e4][%mdl 32] A41: 1 d4 d6: Tartakower System and Modern Defence} Be7 7. Ng3 O-O 8. Ncxe4 Nxe4 9. Nxe4 Bf5 {LiveBook: 3 Games} 10. Bd3 Nd7 11. Qc2 Kh8 $146 ({Predecessor:} 11... h6 12. Be3 Bxe4 13. Bxe4 {1-0 (56) Shmeliov,D (2258)-Kovytev,N (2197) Kharkov 2004}) 12. O-O g6 13. Be3 (13. Bh6 $14) 13... Bxe4 $11 {The position is equal.} 14. Bxe4 Bg5 15. Rae1 {[%cal Ba1e1,Be1e3,Be3h3][%mdl 32]} Bxe3 16. Rxe3 Nf6 17. Rh3 {[#] Strongly threatening Bxg6.} Nxe4 18. Qxe4 Qg5 19. Qh4 Qxh4 20. Rxh4 Rf5 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.3"]
[White "Cervantes Landeiro, Thalia"]
[Black "Cori T., Deysi"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2098"]
[BlackElo "2406"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,86,25,5,35,1,37,-8,-22,-119,-112,-116,-101,-100,-116,-95,-96,-95,-93,-91,-89,-86,-75,-112,-99,-116,-117,-122,-115,-156,-165,-155,-158,-177,-167,-237,-245,-245,-244,-245,-239,-341,-341,-343,-321,-342,-338,-345,-343,-341,-333,-395,-387,-389,-366,-329,-281,-379,-384,-385,-383,-365,-365,-570,-566,-673,-654,-625,-608,-5218,-5218,-5206,-5206,-5173,-4133]} 1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. Nf3 Bb4 5. e3 f5 6. Bd3 Nf6 7. O-O {A85: Dutch Defence: 2 c4 Nf6 3 Nc3} O-O 8. Nd2 {LiveBook: 6 Games} (8. Bd2 a5 9. d5 Na6 10. a3 Bxc3 11. Bxc3 Nc5 12. Bc2 exd5 13. cxd5 Nxd5 14. Bd4 Kh8 {0-1 (29) Mindlin,A (2472)-Sutovsky,E (2633) Ramat Gan 2018}) 8... d6 9. Qc2 $146 {White is slightly better.} ({Predecessor:} 9. Qb3 c5 10. Re1 a6 11. e4 Nc6 12. d5 Nd4 13. Qd1 fxe4 14. Ndxe4 Nxe4 15. Rxe4 Bxc3 16. bxc3 exd5 17. cxd5 Nf5 18. Rf4 Qd7 19. Rb1 b5 20. c4 b4 {0-1 (20) Kose,S-Wiltenburg,F IECG email 1999}) 9... Qe7 10. e4 Nc6 {[%cal Bb8c6,Bc6e5,Be5d3][%mdl 32]} 11. d5 {[#]} (11. Ne2 $11 {remains equal.}) 11... Ne5 $1 $17 12. exf5 Bxc3 13. Qxc3 Nxd3 14. Qxd3 exd5 15. Nf3 Qe4 $36 {[%mdl 2048] Black is on the roll.} 16. Qxe4 Nxe4 17. cxd5 Rxf5 18. Nd4 Rxd5 19. Be3 Re8 20. Rfc1 Re7 21. Nc6 Bxc6 $1 22. Rxc6 Nc5 23. b4 Nd3 24. Rc4 (24. a3 {might work better.}) 24... b5 $19 {[%cal Bb6b5,Bb5b4,Bb4b3][%mdl 32]} 25. Rh4 c5 26. bxc5 dxc5 27. a4 (27. Kf1 $142) 27... b4 28. Rc4 a5 29. Kf1 Rc7 30. Rd1 b3 31. Rb1 Ne5 32. Rc3 c4 33. Ke2 Re7 34. h3 Rd3 35. Rxd3 Nxd3 {[%mdl 4096] Endgame KRB-KRN} ({Stronger than} 35... cxd3+ 36. Kd2 $11) 36. Kd2 Rb7 37. Bd4 Rb4 38. Ra1 (38. Ke3 $142) 38... b2 {Black is clearly winning.} 39. Rb1 Rxa4 40. Bxb2 Rb4 41. Kc2 Rxb2+ 42. Rxb2 Nxb2 43. Kxb2 a4 {Accuracy: White = 37%, Black = 83%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.4"]
[White "Rodriguez Rueda, Paula Andrea"]
[Black "Besso, Guadalupe"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2275"]
[BlackElo "2069"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,74,0,33,-41,-34,-69,-25,-23,-11,-25,-43,-131,-119,-225,-201,-226,-108,-116,-112,-104,-110,-108,-108,-134,-132,-161,-156,-157,-157,-156,-160,-161,-160,-161,-156,-275,-275,-367,-367,-359,-352,-356,-353,-383,-383,-464,-459,-457,-450,-510,-463,-577,-576,-575,-564,-534,-488]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 8. Be2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 9. Qb3 c5 10. dxc5 Bb7 {LiveBook: 143 Games} 11. a4 {D97: Grünfeld: Russian System: 7 e4, replies other than 7...Bg4} ({Better is} 11. e5 $14 Nfd7 12. Be3 Nxe5 13. Nxe5 Bxe5 14. Rd1) (11. e5 Nfd7 12. Be3 e6 13. O-O Qc7 14. Rad1 Nxc5 15. Qa3 Ne4 16. Nxe4 Bxe4 17. Ng5 Bc6 18. f4 Qb7 {½-½ (42) Navara,D (2730)-Giri,A (2798) Wijk aan Zee 2016}) 11... Nbd7 $15 {[%mdl 1024] Black has compensation.} 12. Be3 Qa5 $146 ({Predecessor:} 12... Ng4 13. c6 Bxc6 14. Bf4 Nc5 15. Qc2 Ne6 16. Bg3 b4 17. Nd1 Rc8 {0-1 (17) Zivanic,M-Roiz,M (2200) Tallinn 1997}) 13. O-O {Black has an edge.} b4 $1 14. e5 Ng4 15. Bd4 (15. c6 $15 Bxc6 16. Nd4 Ndxe5 17. Nxc6 Nxc6 18. Bxg4 bxc3 19. bxc3) 15... Nxc5 $17 {[%cal Bd7c5,Bc5e6,Be6d4,Bd4b3][%mdl 32]} 16. Qc4 (16. Bxc5 $17 Qxc5 {[%mdl 64] Double Attack} 17. Rac1) 16... Ne6 $19 17. Na2 Rac8 (17... Nxe5 18. Bxe5 Bxe5 19. Qxb4) (17... Bxe5 18. Bxe5 Bxf3 19. Bg3 $17) (17... Rfd8 $19 {and Black stays clearly on top.} 18. Rfd1 Bxf3 19. Bxf3 Nxd4 20. Rxd4 Nxe5 21. Qxb4 Nxf3+ 22. gxf3 Qg5+ 23. Rg4 Qf6) 18. Qxb4 $17 Qxb4 19. Nxb4 Bxf3 20. Bxf3 Nxh2 $1 ({Much worse is} 20... Bxe5 $6 21. Bc3 $11) (20... Nxe5 $6 21. Bxe5 Bxe5 22. Rab1 $11) 21. Kxh2 {[#] Black must now prevent Bc3.} Nxd4 22. Be4 Rc4 23. Nd5 Bxe5+ 24. g3 e6 25. Nb6 Rb4 $36 {[%mdl 2048] Black is in control.} 26. Nd7 Nb3 {[%mdl 64] [#] Discovered Attack} 27. Rad1 (27. Rae1 $17) 27... Rxe4 $19 28. Nxf8 Kxf8 29. Rfe1 Rxe1 ({And not} 29... Rxa4 30. Rxe5 Ke7 31. Kg2 $11) 30. Rxe1 Bd4 ({Not} 30... Bxb2 31. Rb1 $11) 31. Kg2 a5 32. f4 h5 {Black is clearly winning.} 33. Rd1 {intending Rd3.} Bc5 34. Kf3 Bb4 35. g4 hxg4+ 36. Kxg4 Nc5 37. Ra1 Kg7 {Accuracy: White = 22%, Black = 82%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.5"]
[White "Perez Rodriguez, Jennifer"]
[Black "Miranda Rodriguez, Tania"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2203"]
[BlackElo "2246"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,81,25,10,43,12,16,8,5,-28,-17,8,50,52,99,62,137,161,188,188,188,184,180,172,178,169,168,151,172,135,245,229,270,185,303,272,314,297,302,319,303,315,428,479,717,704,1289,1253,1152,1085,1374,1347,1501,1469,1442,1447,1465,1438,29990,29991,29993,29994]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. O-O O-O 8. a4 b4 9. a5 d6 10. Nbd2 Rb8 11. Re1 h6 12. Bc4 Re8 {C88: Closed Ruy Lopez: Anti-Marshall Systems} (12... Be6 13. Bxa6 Ra8 14. Bc4 Rxa5 15. Rxa5 Nxa5 16. Bxe6 fxe6 17. c3 bxc3 18. bxc3 Qd7 19. d4 exd4 20. cxd4 {½-½ (84) Movsesian,S (2660)-Inarkiev,E (2686) Cheliabinsk 2016}) 13. Nf1 Bf8 14. Ne3 Ne7 {The position is equal.} 15. c3 bxc3 16. bxc3 c5 $146 ({Predecessor:} 16... c6 17. Qa4 Bb7 18. Ba2 Ng6 19. Nc4 Qc7 20. Be3 {1-0 (58) Escobar Forero,A (2460)-Vega Gutierrez,B (2187) Linares 2014}) 17. Bd2 Qc7 18. Qc2 Ng4 {[#]} (18... Be6 $14) 19. Qa2 $1 $16 Ng6 20. Nd5 Qd8 21. h3 Nf6 22. Rab1 $36 {[%mdl 2048] White is in control.} Rxb1 23. Rxb1 Nxd5 24. Bxd5 Qf6 25. Rb8 Nf4 (25... Rd8 $16) 26. Bxf4 $1 $18 Qxf4 27. Qd2 {Black must now prevent Qxf4.} Qf6 (27... Bd7 $142 28. Qxf4 exf4) 28. Bb7 Qe6 {[#]} 29. Qb2 $1 Bxb7 30. Rxe8 ({Inferior is} 30. Qxb7 Rxb8 31. Qxb8 Qa2 $11) ({Less strong is} 30. Rxb7 c4 $14) 30... Qxe8 31. Qxb7 Qa4 32. Qxa6 Qa1+ (32... d5 $142 33. exd5 c4 34. Qxc4 Qa1+ 35. Kh2 Qxa5 36. Nxe5 Qd8) 33. Kh2 Qc1 34. Qc8 Qf4+ 35. Kh1 Qc1+ 36. Ng1 Qxc3 37. a6 Qa3 38. Qb7 Qxd3 39. a7 c4 40. a8=Q c3 41. Qe7 {Accuracy: White = 75%, Black = 26%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.6"]
[White "Gonzalez Ochoa, Yoana"]
[Black "Roca Rojas, Ana Flavia"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2058"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,53,60,68,35,47,16,23,8,96,52,62,20,15,0,0,0,0,-26,-11,-21,-23,-72,-65,-63,-68,-70,-72,-81,-79,-83,-92,-75,0,0,0,0,0,-40,-42,-56,-35,-22]} 1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 e6 6. Nc3 Bb4 7. Nxc6 bxc6 {LiveBook: 8 Games. B41: Sicilian: Kan Variation: 5 c4} 8. Bd2 (8. Bd3 e5 9. O-O Ne7 10. Na4 d6 11. c5 d5 12. Qe2 dxe4 13. Bxe4 Be6 14. Rd1 Qb8 15. Rd6 {1-0 (32) Ramirez,A (2579)-Shulman,Y (2627) Wheeling 2011}) 8... e5 9. a3 Bc5 {The position is equal.} 10. Qf3 $146 (10. Na4 {is more complex.} Bd4 11. Bc3 c5 12. Bd3 Ne7 13. O-O) ({Predecessor:} 10. Be2 Nf6 11. O-O O-O 12. b4 Bd4 13. Rb1 d5 14. exd5 cxd5 15. Nxd5 Nxd5 16. cxd5 {0-1 (37) Santopietro,G (2006)-Fiori,A (2159) Mar del Plata 2012}) 10... Qf6 (10... d6 $11 {keeps the balance.}) 11. Be2 Qxf3 12. Bxf3 (12. gxf3 {with more complications.} d6 13. Be3 Bd4 14. O-O-O c5 15. Rhg1) 12... d6 13. O-O Be6 14. Na4 Bd4 15. Rac1 Nf6 16. b4 O-O 17. Be3 {[#]} Bxe3 $1 18. fxe3 a5 {And now ...axb4 would win.} 19. Nb6 Ra6 20. c5 {Threatening Be2.} axb4 21. axb4 dxc5 22. bxc5 Nd7 ({Black should play} 22... Rd8 $17) 23. Nxd7 $11 Bxd7 24. Rfd1 Be6 25. Rd6 Rc8 26. Be2 Ra5 27. Kf2 {Accuracy: White = 23%, Black = 66%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.7"]
[White "Cordero, Daniela"]
[Black "Arribas Robaina, Maritza"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2085"]
[BlackElo "2257"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,64,30,56,49,55,58,92,41,95,86,82,38,39,39,34,39,47,54,45,32,86,67,61,72,91,-8,0,0,125,-105,-121,-113,-112,-921,-881,-1121,-1101,-5360,-5356,-5127,-5106,-4882,-2044,-29998,-29997,-29997,-29996]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Re8 10. Be3 a6 {LiveBook: 33 Games} 11. Rc1 {E69: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4 c6 9 h3} (11. d5 c5 12. a4 a5 13. Ne1 Nb8 14. Nc2 Na6 15. Na3 b6 16. Kh2 h5 17. Kh1 Nh7 18. Nab5 Nc7 19. Nxc7 Qxc7 {1-0 (52) Xiong,J (2658)-Petrosian,T (2595) Philadelphia 2017}) 11... Qe7 12. Re1 Nh5 $146 ({Predecessor:} 12... b5 13. cxb5 axb5 14. a3 Bb7 15. Qc2 exd4 16. Nxd4 Ne5 17. Rcd1 Nc4 18. Bc1 Rec8 19. f4 {0-1 (59) Wexler,B-Najdorf,M Mar del Plata 1953}) 13. Qd2 (13. d5 $16) 13... Nf8 ({Black should try} 13... b5 $14) 14. Bg5 Qc7 15. b4 exd4 16. Nxd4 Bxd4 17. Qxd4 Ne6 18. Qd2 $36 {[%mdl 2048] Threatens to win with Nd5! White has good play.} Nxg5 19. Qxg5 Qb6 (19... Be6 $14) 20. c5 Qxb4 21. e5 d5 ({Don't play} 21... dxc5 $6 22. Ne4 $16) 22. Bxd5 ({Better is} 22. Bf3 $16) 22... cxd5 $11 23. Nxd5 Qa5 {[#]} (23... Qd4 $11 {remains equal.} 24. Rcd1 Qxc5) 24. Red1 $2 (24. Qh6 $1 $16 {White wants to mate with Nf6+.} f6 25. Nb6) 24... Bxh3 $17 {Strongly threatening ...Qa4.} 25. g4 {[#]} Bxg4 $1 26. Nf6+ $2 {[%mdl 8192]} (26. Qxg4 $17 Rxe5 27. Nb6) 26... Nxf6 $19 27. exf6 Bxd1 28. Qh6 Qe1+ 29. Kg2 Qe4+ 30. Kg1 Qg4+ 31. Kf1 Be2+ 32. Ke1 Qb4+ {Accuracy: White = 19%, Black = 34%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.8"]
[White "Marrero Lopez, Yaniet"]
[Black "Munoz Monroy, Cinthya Carolina"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2253"]
[BlackElo "2032"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,61,37,38,95,91,121,83,89,87,93,81,85,8,0,-8,-12,-148,-54,-45,-25,-115,-127,-179,-47,-39,-41,-112,-99,-101,-104,-85,-87,-77,-111,-381,-354,-442,-431,-423,-420,-492,-479,-486,-473,-615,-641,-640,-629,-572]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 f6 7. Bd3 cxd4 {C02: French: Advance Variation} (7... Qc7 8. O-O O-O-O 9. Qe2 Nge7 10. b4 c4 11. Bc2 Ng6 12. Re1 Be7 13. a4 fxe5 14. dxe5 Rdf8 15. Na3 Nf4 16. Qd1 Be8 {1-0 (37) Grischuk,A (2737)-Morozevich,A (2676) Doha 2016}) 8. cxd4 {LiveBook: 10 Games} Qb6 (8... fxe5 $14 9. dxe5 Nh6) 9. O-O f5 {White is better.} 10. Bc2 Nge7 11. Nc3 Ng6 $146 ({Predecessor:} 11... h6 12. Nh4 Qxd4 {1-0 (24) Musial,T (1689)-Dolezal,R (1787) Marianske Lazne 2016}) 12. h4 Be7 13. Bxf5 (13. Na4 $16 Qc7 14. g3) 13... exf5 $11 14. Nxd5 Qa5 15. Ne3 (15. Nc3 $1 $11 {keeps the balance.}) 15... O-O-O (15... f4 $17 16. Bd2 Qd8) 16. b4 Qa6 {...Nxb4! is the strong threat.} 17. Qb3 (17. Rb1 $11 b5 18. h5) 17... Kb8 $17 18. Bb2 (18. Qb2 $17 {is a better defense.} Qd3 19. Rd1) 18... Qb5 ({Stronger than} 18... Nxh4 19. Nxh4 Bxh4 20. e6 $15) (18... f4 $1 $19 {[%cal Rf4e3]} 19. Nc4 Qb5) 19. d5 $15 {[#]} Na5 $1 {[%cal Ra5b3][%mdl 512]} 20. Qa2 (20. Qc2 $15 f4 21. e6 (21. Nd4 Qa6 $15)) (20. bxa5 Qxb3) 20... f4 $17 21. Nd4 {[#]} Qa6 $1 22. Nef5 Bxf5 23. Nxf5 Nc4 24. h5 $2 {[%mdl 8192]} (24. d6 $17 {was called for.} Bxh4 25. Bd4) 24... Ngxe5 $19 25. Nxe7 Nxb2 26. Qxb2 {[#]} Qf6 $1 27. Qc3 Qxe7 {Black is clearly winning.} 28. Rfe1 Rxd5 29. Re4 Qg5 30. Rae1 {[%cal Re4e5]} Re8 31. Qh3 {[%mdl 32768] Precision: White = 21%, Black = 55%. . Loss on Time!?} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.9"]
[White "Gomez Guardo, Laura Meli"]
[Black "Franco Valencia, Beatriz Irene"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1842"]
[BlackElo "2191"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,64,17,18,-11,0,0,27,-153,40,-125,-74,-97,-96,-95,-100,-148,-141,-135,-147,-170,-153,-159,-148,-137,-110,-85,-77,-206,-146,-149,-142,-146,-149,-214,-164,-162,-154,-170,-137,-231,-162,-201,-185,-201,-168,-5473,-689,-1968,-1913,-29993,-1631,-29995,-29996]} 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. d3 Bg7 5. Nc3 d6 6. e4 Be6 7. Nge2 Qd7 8. a3 {A26: English Opening vs King's Indian with ...Nc6 and d3} (8. Nd5 Nd8 9. d4 c6 10. Ne3 exd4 11. Nxd4 Bh3 12. Ndf5 Bxf5 13. exf5 Ne7 14. Bh3 Nxf5 15. O-O Ne6 16. Nxf5 gxf5 17. Bxf5 {1-0 (26) Grischuk,A (2771)-Svidler,P (2722) Moscow 2010}) 8... Bh3 9. O-O h5 10. f4 $2 (10. Bxh3 $11 Qxh3 11. f3) 10... exf4 $2 (10... h4 $17 11. Qe1 Nge7) 11. Bxf4 $146 (11. Bxh3 $14 {stays ahead.} Qxh3 12. Nxf4 (12. Bxf4 Nf6 $17)) ({Predecessor:} 11. Nxf4 Bxg2 12. Kxg2 h4 13. g4 h3+ 14. Nxh3 O-O-O 15. Nf2 Be5 {0-1 (60) Marechal,C-Hohelj,S (2310) Paris 1994}) 11... h4 ({Better is} 11... Bxg2 12. Kxg2 h4) 12. Rf2 hxg3 13. Bxg3 Nd4 14. Qf1 Nc2 15. Bxh3 Rxh3 16. Rb1 Ne3 17. Qc1 Ng4 18. Rg2 N8f6 19. Nf4 Rh7 20. Nce2 (20. Qd2 $17 {might work better.}) 20... Nh5 21. Nxh5 Rxh5 22. b4 O-O-O 23. b5 (23. Qd2 $17) 23... Be5 24. d4 Bxg3 25. Nxg3 Rh3 26. Qe1 (26. Qg5 $17) 26... Rdh8 {[%cal Rg4h2]} 27. Rbb2 Qe7 {[#] Hoping for ...Qh4.} 28. Rbe2 Qh4 29. Qa5 $2 (29. Nf1) 29... Nxh2 (29... Rxh2 $142 30. Rxh2 Qxg3+ 31. Rhg2 Qh3 32. Kf1 Qf3+ 33. Ke1 Rh1+ 34. Kd2 Qb3 35. Re3 Nxe3 36. Qb4 Nf1+ 37. Ke1 Ng3+ 38. Rg1 Rxg1+ 39. Kf2 Rf1+ 40. Kg2 Qf3+ {[%mdl 64] Double Attack} 41. Kh3 Rh1#) 30. Qxa7 Rxg3 31. Qa8+ Kd7 {[#] ( -> ...Rc3)} 32. Qa5 Ng4 {Accuracy: White = 29%, Black = 47%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.10"]
[White "Chirivi C, Jenny Astrid"]
[Black "Cosme Contreras, Trilce"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2118"]
[BlackElo "1829"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,121,26,21,-14,0,-8,0,1,14,0,41,13,58,35,45,37,44,43,92,46,140,111,116,106,130,84,166,135,159,136,138,132,137,131,129,161,375,254,211,208,622,597,443,289,426,187,258,250,235,227,303,157,157,135,275,99,99,96,103,46,101,43,134,9,27,0,45,0,0,0,0,0,22,22,37,24,51,51,65,65,79,3,77,76,75,69,200,200,160,45,45,45,75,12,12,12,20,8,8,8,8,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Nc6 7. O-O a6 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 e5 {LiveBook: 19 Games} 11. dxe5 {E63: King's Indian: Fianchetto: Panno Variation with 7...a6} (11. d5 $5 {[%cal Rd5c6]} Nd4 12. Be3 $11) (11. d5 Nd4 12. Bg2 c5 13. dxc6 bxc6 14. b4 Qe7 15. Be3 Nd7 16. Qd3 Rfb8 17. Rab1 Rb7 18. Rb2 a5 19. b5 Qe6 20. Rfb1 {½-½ (74) Berkes,F (2602)-Motylev,A (2640) Moscow 2004}) 11... dxe5 12. Bg5 Nd4 13. Bg2 h6 14. Be3 Nd7 15. f4 Kh7 $146 ({Predecessor:} 15... c6 16. Ne2 c5 17. Nc3 h5 18. f5 Kh7 {0-1 (42) Evstratov,O-Weetik,V (2290) St Petersburg 2001}) 16. Rc1 c6 17. Ne2 c5 18. Nc3 Nb6 19. b3 f6 (19... a5 $14) 20. Nd5 Nxd5 21. cxd5 Qa5 22. Rf2 Rac8 (22... f5 $16) 23. Kh2 b5 24. fxe5 fxe5 25. Rxf8 Rxf8 26. Rxc5 {Threatens to win with d6.} Qxa2 27. Rc7 Qxb3 $2 (27... Qb2 28. h4 h5) 28. Qc1 Rg8 29. Bxh6 Ne2 $2 (29... b4 30. d6 Ne2) 30. Qg5 $18 Qd1 {[%csl Ge2][%cal Rd1g1] [#]} 31. Qe3 b4 (31... Nd4 $142 32. g4 Qe2 33. Qxe2 Nxe2) 32. Rb7 (32. Bxg7 $142 Rxg7 33. Rxg7+ Kxg7 34. Bf3) 32... b3 (32... Nd4 {was necessary.} 33. d6 Ne6) 33. Bxg7 Rxg7 34. Rxb3 Qc2 35. Qd3 (35. Rb6 $18 Nd4 36. Rf6 (36. Rxa6 Rf7 $11)) 35... Qxd3 $16 36. Rxd3 {[%mdl 4096] Endgame KRB-KRN} a5 (36... Nd4 $16 {might work better.} 37. h4 a5) 37. Bf1 $2 (37. Bf3 $18 {and White stays clearly on top.} Nd4 38. Bg4) 37... Nd4 38. Ra3 Ra7 39. Kg2 (39. Ra4 $16) 39... Kg7 {[#]} (39... a4 $14) 40. h4 (40. Ra4 $1 $16) 40... Kf6 (40... a4 $14) 41. Kf2 (41. Kh3 $16) 41... Ke7 42. Bd3 Kd6 43. g4 a4 44. h5 gxh5 45. gxh5 Rh7 46. Rxa4 Rxh5 47. Ra6+ Kd7 48. Bf1 Rh4 49. Bg2 Rf4+ 50. Kg3 ({White should try} 50. Ke3 $16) 50... Rf8 (50... Ne2+ $11 51. Kh3 Nc3) 51. Bh3+ Kc7 52. Bg4 Rh8 (52... Kb7 $14 53. Ra3 Rg8) 53. Rg6 $18 Rf8 54. d6+ (54. Rh6 $16) 54... Kb7 55. d7 Nc6 56. Be6 (56. Re6 $16 {Hoping for Re8.} Rd8 57. Re8) 56... Kc7 $11 {The position is equal.} 57. Rg7 Rd8 58. Kh4 Nb8 59. Kg5 Nxd7 60. Bxd7 Rxd7 61. Rxd7+ {[%mdl 32768] Accuracy: White = 40%, Black = 24%. . Loss on time!?} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.11"]
[White "Toro Castaneda, Elizabeht"]
[Black "Castrillon Gomez, Melissa"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1932"]
[BlackElo "2301"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,95,27,28,18,23,14,10,6,46,33,53,50,62,41,42,44,75,-190,-189,-179,-180,-182,-184,-154,-156,-168,-83,-80,132,132,151,137,172,180,203,189,524,75,79,78,72,56,60,70,44,59,14,0,35,0,0,0,0,0,31,55,196,189,204,32,179,0,174,0,64,0,0,0,10,0,0,0,0,0,0,0,0,0]} 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 d5 5. O-O Bd6 6. b3 Nbd7 7. Ba3 Bxa3 8. Nxa3 c6 9. c4 Qe7 10. Nc2 O-O {LiveBook: 20 Games} 11. cxd5 {A94: Classical Dutch: Classical Stonewall: 7 b3 c6 8 Ba3} (11. Nce1 b6 12. Nd3 Bb7 13. Nfe5 Nxe5 14. dxe5 Ne4 15. Qc2 c5 16. e3 Rad8 17. Rad1 d4 18. exd4 cxd4 {0-1 (43) Tang,A (2466)-Tarjan,J (2406) chess.com INT 2017}) 11... exd5 12. e3 Ne4 13. Nce1 Ndf6 14. Nd3 Bd7 $146 ({Predecessor:} 14... Be6 15. Nfe5 Nd7 16. f3 Nxe5 17. Nxe5 {½-½ (26) Wagner,G (1809)-Bridges,P (1776) Cardiff 2017}) 15. Qc2 Be8 16. Nfe5 Ng4 17. Rac1 h5 18. f3 $2 {[%mdl 8192]} (18. Nf3 $16) 18... Nxe3 $19 19. Qe2 Nxf1 20. fxe4 fxe4 21. Nf4 Qb4 22. Rd1 {[#]} Nxh2 ({Inferior is} 22... g5 23. Ne6 $16) (22... Nxg3 $1 $19 {is more deadly.} 23. hxg3 Qc3) 23. Kxh2 $17 h4 $2 (23... Rf6 $17 {stays on course.} 24. Qe3 Qe7) 24. Qg4 $16 hxg3+ 25. Qxg3 Qd6 {Threatens to win with ...Qh6+.} 26. Bh3 $1 {[%cal Rh3e6]} Qh6 27. Ne6 Bf7 $2 {[#]} (27... Rf7 {is tougher.}) 28. Nxf8 $2 (28. Nxg7 $1 $18 {[%mdl 512] is the precise move to win. Nf5+ would kill now.} Qxg7 29. Qh4) 28... Rxf8 29. Ng4 Qg5 30. Rg1 Bh5 31. Ne5 $40 {[%mdl 128] White attacks.} Qh6 $1 32. Nd7 Rf4 $1 ({Not} 32... Rf3 $2 33. Qb8+ Kh7 34. Nf8+ Rxf8 35. Qxf8 $18) 33. Ne5 Kh7 34. Rf1 Rxf1 35. Bxf1 Qd2+ 36. Bg2 g6 37. Qh4 {Black must now prevent Qe7+.} Qh6 (37... Qxd4 $14 38. Qe7+ Kh6) 38. Qe7+ $18 Qg7 39. Qg5 $2 (39. Qd6 $18) 39... Qh6 (39... Qf8 $1 $14) 40. Qe7+ Qg7 41. Qg5 $2 (41. Qd8 $18) 41... Qf8 ({Black should try} 41... Qh6 $1 $11 42. Qe7+) 42. Nd7 (42. a3 $14) 42... Qd6+ $11 {The position is equal.} 43. Ne5 Kg7 44. Qg3 b6 45. b4 c5 $1 {[%cal Rc5d4]} 46. bxc5 bxc5 47. dxc5 Qxc5 48. Nd7 {Precision: White = 32%, Black = 23%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.12"]
[White "Aliaga Fernandez, Ingrid Y"]
[Black "Prado, Alexandra"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2194"]
[BlackElo "1873"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,45,7,3,18,11,3,15,67,67,56,-7,39,0,66,-10,-7,-9]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 O-O 12. Nc2 Bg5 13. Nce3 Bxe3 14. Nxe3 Ne7 {B33: Sicilian: Pelikan and Sveshnikov Variations} 15. Be2 Bb7 16. Bf3 {LiveBook: 6 Games} Qb6 (16... g6 17. O-O f5 18. exf5 Bxf3 19. Qxf3 gxf5 20. Rad1 f4 21. Nd5 {1-0 (43) Kamsky,G (2714)-Shirov,A (2739) Moscow 2007}) 17. O-O Rad8 18. a4 Kh8 (18... bxa4 $11 19. Rxa4 (19. Qxa4 f5 $11) 19... Bc6) 19. axb5 $14 axb5 20. Ra3 $146 (20. Qe2 $14) ({Predecessor:} 20. Re1 f5 21. exf5 d5 22. Nc2 {½-½ (66) Lee,V (2245)-Reeve,J (2345) Edmonton 2006}) 20... g6 (20... d5 $5 21. exd5 f5 $11) 21. Rb3 f5 (21... d5 $11 22. exd5 Nxd5 23. Bxd5 Bxd5 24. Nxd5 Qc5) 22. Nd5 ({Better is} 22. exf5 $1 $14 Bxf3 23. Qxf3 Nxf5 24. Nxf5 Rxf5 25. Qe3) 22... Bxd5 $11 23. exd5 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.13"]
[White "Caballero Quijano, Mitzy Mishell"]
[Black "Ocampo, Cristina"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1992"]
[BlackElo "1771"]
[Annotator "NA RC"]
[PlyCount "60"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. b3 Nbd7 6. Bb2 Bd6 7. Bd3 O-O 8. Nbd2 Re8 9. O-O e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Bxe5 Rxe5 13. Qc2 Bg4 14. Rfe1 Qe7 15. cxd5 Rxd5 16. Nf1 Rad8 17. Bc4 R5d7 18. e4 Qe5 19. f3 Bh5 20. Qf2 Bg6 21. Rac1 Nh5 22. g3 Nf6 23. h3 Qa5 24. Rb1 b5 25. b4 Qa3 26. Bb3 a5 27. Re3 Rd3 28. Rxd3 Rxd3 29. Qb6 h5 30. bxa5 Nd7 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.14"]
[White "Moncada Correa, Sara"]
[Black "Barria Baker, Raisa Melissa"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1792"]
[BlackElo "1941"]
[Annotator "NA RC"]
[PlyCount "94"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 g6 5. Bf4 Bf5 6. Qb3 Qb6 7. Nbd2 Nbd7 8. e3 Bg7 9. Be2 O-O 10. h3 Rac8 11. c5 Qxb3 12. axb3 a6 13. b4 Ne4 14. Nb3 f6 15. g4 e5 16. gxf5 exf4 17. fxg6 hxg6 18. exf4 Kf7 19. Na5 Rc7 20. Nh4 Rh8 21. Ng2 f5 22. Nb3 Nf8 23. h4 Ne6 24. Rd1 Re7 25. h5 Kf6 26. Rh3 g5 27. f3 g4 28. fxg4 fxg4 29. Bxg4 Bh6 30. Bxe6 Rxe6 31. Kf1 Rg8 32. Rdd3 Rg4 33. Rdf3 Re8 34. Rh4 Rg7 35. Rhh3 Reg8 36. Rh2 Rg4 37. Rd3 Ke6 38. Rf3 Kf6 39. Rd3 Re8 40. Rhh3 Reg8 41. Rh2 Ke6 42. Rf3 Kd7 43. f5 Ke7 44. Nh4 Rg1+ 45. Ke2 Kf6 46. Ng6 Re8 47. Ne5 Reg8 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.15"]
[White "Zapata, Olga Maria"]
[Black "Hoyos Garces, Rosana"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1695"]
[BlackElo "1586"]
[Annotator "NA RC"]
[PlyCount "60"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nf6 5. Nc3 e6 6. a3 Be7 7. Nf3 O-O 8. Bc4 c5 9. O-O Nc6 10. dxc5 Bxc5 11. b4 Bd6 12. Bb2 Ne5 13. Nxe5 Bxe5 14. Qxd8 Rxd8 15. Rad1 Bd7 16. f3 Rac8 17. Na4 Bxh2+ 18. Kxh2 Bxa4 19. Rxd8+ Rxd8 20. Rf2 Nh5 21. g3 b5 22. Bf1 Nf6 23. g4 Ne8 24. Be5 f6 25. Bb2 Nc7 26. Kg3 Na8 27. Bc1 a6 28. Be3 Nc7 29. Bb6 Rd7 30. Bd3 Ne8 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.19"]
[Round "4.16"]
[White "Caballero Marrugo, Maria Jose"]
[Black "Blanco Noguera, Yoryeth"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1338"]
[Annotator "NA RC"]
[PlyCount "90"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 Nc6 2. Nf3 e5 3. Bb5 d6 4. d4 Bd7 5. dxe5 Nxe5 6. Nxe5 Bxb5 7. Qd5 Qe7 8. Qxb5+ c6 9. Nxc6 Qxe4+ 10. Be3 Qxc6 11. Qxc6+ bxc6 12. O-O g6 13. Bd4 f6 14. Re1+ Be7 15. Nd2 c5 16. Bc3 Kf7 17. Re3 d5 18. Re2 d4 19. Ba5 Nh6 20. Rae1 Rhe8 21. Nc4 Nf5 22. c3 Rac8 23. g3 Rc6 24. b3 Rcc8 25. Kg2 Rb8 26. cxd4 Nxd4 27. Rd2 Rbc8 28. Re3 Rb8 29. Bc7 Nf5 30. Bxb8 Nxe3+ 31. Nxe3 Rxb8 32. Rd7 Kf8 33. Rxa7 Rd8 34. Nc4 Rb8 35. Kf3 h6 36. Ke4 Re8 37. Kf3 Rb8 38. h4 h5 39. Ne3 Rd8 40. Ke2 Ke8 41. Rb7 Kf8 42. a4 Ra8 43. Nd5 Bd8 44. Kd3 Rc8 45. Kc4 Ke8 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.1"]
[White "Fernandez, Maria Florencia"]
[Black "Llaudy Pupo, Lisandra"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2198"]
[BlackElo "2302"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,84,26,41,19,47,22,32,23,21,29,53,58,51,43,51,0,61,54,62,59,60,58,54,34,55,55,56,44,54,46,70,67,95,83,126,102,102,102,104,116,147,144,245,233,245,164,164,164,206,174,568,556,1498,958,29988,29989,29989,29990,29991,29992,29999]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 d6 8. Be2 Nbd7 9. O-O a5 10. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} O-O 11. Bb2 Qe7 12. b4 {E14: Queen's Indian: Classical Variation (4 e3)} (12. Qc2 c5 13. Rfd1 Rfd8 14. Qc3 Ne4 15. Qe1 h6 16. Nd2 Nef6 17. Nb1 cxd4 18. exd4 e5 19. Bf1 e4 {1-0 (64) Wojtaszek,R (2742)-Moiseenko,A (2698) Germany 2015}) 12... Ne4 13. Qc2 f5 {LiveBook: 21 Games} 14. Bd3 {White is slightly better.} Ndf6 15. Nd2 (15. Rac1 {looks sharper.} axb4 16. axb4 Qf7 17. Nd2 Nxd2 18. Qxd2 h5 19. f3) 15... axb4 $146 ({Predecessor:} 15... Nxd2 16. Qxd2 {0-1 (36) Chaude de Silans,C-Balanel,I Bucharest 1955}) 16. axb4 Rxa1 17. Bxa1 Nxd2 18. Qxd2 Ra8 19. f3 Qd7 20. d5 ({Better is} 20. b5 $14) 20... e5 ({Black should try} 20... exd5 $11 21. Bxf6 gxf6) 21. Qc2 Bc8 22. Bb2 Qa4 23. Qc3 ({Worse is} 23. Bxf5 Bxf5 24. Qxf5 Qb3 $17) 23... Qe8 24. Bc2 Kh8 25. f4 {[%cal Rf4e5]} e4 26. Bb3 Qe7 27. Rc1 Nd7 28. Qd2 Bb7 29. Bd4 h6 30. Qc3 Kh7 31. Ra1 Rxa1+ 32. Qxa1 {Qa7 is the strong threat.} Qf8 33. Ba4 Nb8 {[#]} (33... Bc8 $16 {is a better defense.} 34. Bb5 Kg8) 34. Bb5 $1 $18 Qg8 35. Qa7 Qc8 36. c5 bxc5 37. bxc5 {aiming for c6.} dxc5 $2 (37... c6) 38. Qxc5 Qd8 39. d6 {[%mdl 64] [#] Discovered Attack} Qxd6 40. Qxf5+ {White mates.} Qg6 41. Qf8 Nc6 42. Bc4 {[%csl Gc4][%cal Rf8g8]} Nb8 {Accuracy: White = 63%, Black = 25%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.2"]
[White "Cori T., Deysi"]
[Black "Rivera, Ingris"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2406"]
[BlackElo "2188"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,83,-39,-16,-13,-22,-15,-18,43,0,0,-22,137,124,128,125,127,134,127,133,129,132,185,198,210,201,325,350,329,203,350,184,167,193,213,206,533,596,616,601,602,610,609,609,592,593,603,599,578,575,750,727,737,731,731,724,837,831,848,817,820,815,963,955,944,936,966,963]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. b3 e5 7. dxe5 dxe5 8. Bb2 e4 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} 9. Ng5 (9. Qxd8 Rxd8 10. Ng5 Re8 11. Nc3 h6 12. Nh3 g5 13. Rfd1 Na6 14. Nb5 Bf5 15. Nd4 Bg6 16. e3 c6 17. Rd2 Rad8 18. Rad1 Bh5 19. f3 exf3 20. Nxf3 Rxd2 21. Rxd2 Ne4 22. Bxg7 {0-1 (22) Kovalev,V (2639)-Onischuk,V (2637) Riadh 2017}) 9... Qe7 10. Nc3 {[%cal Rg5e4] LiveBook: 3 Games} Rd8 {The position is equal.} 11. Qc1 {[%cal Rg5e4]} Bf5 12. h3 $146 ({Predecessor:} 12. Bh3 Bh6 13. Bxf5 gxf5 14. h4 Ng4 15. Qf4 e3 16. f3 {1-0 (46) Tsifanskaya,L (2092)-Bartos,J (2233) Teplice 2015}) 12... Bh6 ({Black should try} 12... h5 $11) 13. Qe3 (13. g4 $5 {[%cal Rg4f5]}) 13... Nc6 14. g4 Ne8 $2 (14... Be6 $11) 15. gxf5 $16 gxf5 16. f4 Bg7 {Strongly threatening ...Bd4.} 17. Kh1 h6 18. Ngxe4 $1 fxe4 19. Qxe4 Qf8 (19... Qxe4 $16 {was worth a try.} 20. Bxe4 Nd6) 20. Rg1 $18 Kh8 21. Bf3 Rd4 (21... f5 $142 22. Qe3 Qe7 23. Qxe7 Nxe7 24. Bxb7 Rab8) 22. Qf5 Ne7 23. Qc5 b6 (23... Rxf4 $142 24. Bxb7 Rd8) 24. Qa3 (24. Qh5 $142 Rad8 25. Rxg7 $1 {[%mdl 512]} Qxg7 26. Rg1) 24... Rad8 25. Ne4 f5 26. Nf2 {Threatens to win with Rxg7.} Rxf4 $2 {[#]} (26... R4d6 27. Be5 Re6 28. Bxg7+ (28. Qxa7 Bxe5 29. fxe5 Ng6 $16) 28... Nxg7 29. Qxa7 Ne8) 27. Rxg7 $1 {[%mdl 512] White is clearly winning.} Nxg7 28. Rg1 Rfd4 29. e3 {[%mdl 64] Pin} R4d6 30. Bxg7+ Qxg7 31. Rxg7 Kxg7 32. Qxa7 R8d7 33. Nd3 c5 34. Qa4 Ng6 35. Kg2 Re7 36. Kf2 Rf7 37. Bh5 Re7 38. Bxg6 Rxg6 39. Qa8 Rge6 40. Nf4 Rd6 41. Kf3 Rd1 42. Qc6 {Accuracy: White = 78%, Black = 35%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.3"]
[White "Besso, Guadalupe"]
[Black "Perez Rodriguez, Jennifer"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2069"]
[BlackElo "2203"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,45,14,8,0,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. Nxe5 Nxe5 14. dxe5 Qxe5 {The position is equal.} 15. Re1 {D69: Queen's Gambit Declined: Classical Main Line with 9...Nd5 and 12...e5 13 dxe5} (15. Qc2 Bf5 16. Bd3 Bxd3 17. Rxd3 Rad8 18. b3 Qa5 {½-½ (18) Sunye Neto,J (2488)-Garcia Palermo,C (2390) Caioba 2018}) 15... Be6 16. Qb3 $146 ({Predecessor:} 16. Bxe6 Qxe6 17. a3 Rfd8 18. Qc2 Rd5 19. Rd1 Rad8 20. Rcd3 h5 21. Rxd5 Rxd5 22. Rxd5 Qxd5 {0-1 (41) Caporali,D (1668)-Gatto,L (2071) Napoli 2017}) 16... Bxc4 17. Rxc4 Qc7 18. Rd4 Rad8 19. Red1 Rxd4 20. Rxd4 Rd8 21. Qc3 h6 22. g3 Rxd4 23. Qxd4 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.4"]
[White "Arribas Robaina, Maritza"]
[Black "Ortiz Verdesoto, Anahi"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2257"]
[BlackElo "2115"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,90,0,0,0,0,0,0,0,13,3,31,22,25,33,31,19,38,8,13,19,21,16,13,2,26,6,26,26,35,30,30,30,37,37,44,28,33,14,17,31,18,12,38,34,55,56,39,11,59,24,49,24,30,10,10,10,3,3,10,7,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. Nxe5 {C85: Closed Ruy Lopez: Deferred Exchange Variation} (7. d3 Nd7 8. Nbd2 O-O 9. Nc4 Bd6 10. d4 Qe7 11. Re1 Re8 12. b3 c5 13. dxe5 Nxe5 14. Nxd6 cxd6 15. Nd2 Ng4 16. Nf3 Ne5 17. Nd2 Ng4 18. Nf3 {½-½ (18) Andreikin,D (2702)-Kovalev,V (2650) Minsk 2018}) 7... Nxe4 {LiveBook: 5 Games} 8. d3 Nf6 9. Nc3 O-O 10. h3 Bd6 $146 ({Predecessor:} 10... Re8 11. Re1 Bc5 12. Nf3 h6 13. Rxe8+ Qxe8 14. Bf4 {1-0 (60) Ilkovic,F (1975)-Kekely,L (2116) Slovakia 2011}) 11. Nc4 h6 12. Qf3 Be6 13. Nxd6 cxd6 14. Bf4 Bd5 15. Qg3 {And now Bxh6 would win.} Nh5 16. Qh2 Nxf4 17. Qxf4 Be6 18. Ne4 d5 (18... Qb6 {is interesting.} 19. b4 Rfd8 20. Rfb1 Qc7 21. a4 a5) 19. Nc5 b6 (19... Bc8 {keeps more tension.} 20. Na4 b6 21. d4 Re8 22. Rae1 Be6) 20. Nxe6 fxe6 21. Qe5 Qd7 22. Rae1 Rae8 23. Qg3 Rf5 24. Re5 Ref8 25. Rxf5 exf5 $14 {[%mdl 4096] Endgame KQR-KQR} 26. Re1 Re8 27. Re5 Rxe5 28. Qxe5 $11 {KQ-KQ} b5 29. b4 Kf7 30. Kf1 Qc8 31. f4 g6 32. Kf2 Qd8 33. Ke3 a5 {The position is equal.} 34. a3 axb4 35. axb4 Qb6+ 36. Kf3 Qd8 37. g4 fxg4+ 38. hxg4 Qf6 39. Qc7+ Kg8 40. Qd7 Kf8 41. Kg3 Qe7 42. Qxc6 {[#] Threatens to win with Qc5.} Qe3+ 43. Kg2 {Hoping for Qf6+.} Qe2+ 44. Kg3 Qe3+ 45. Kg2 {aiming for Qf6+.} Qe2+ {Precision: White = 52%, Black = 58%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.5"]
[White "Cosme Contreras, Trilce"]
[Black "Marrero Lopez, Yaniet"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1829"]
[BlackElo "2253"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,60,23,27,22,34,5,19,-61,-68,-63,-49,-67,-77,-71,-54,-54,-54,-54,-56,-50,-56,-147,-140,-154,-108,-168,-174,-150,-107,-152,-151,-116,-98,-94,-92,-152,-152,-144,-144,-148,-149,-715,-701]} 1. c4 e5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Ne7 6. e3 O-O 7. Nge2 Nd7 8. O-O f5 9. Rb1 Nf6 10. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} c6 11. b5 {A25: English Opening vs King's Indian with ...Nc6 but without early d3} c5 12. d4 $146 ({Predecessor:} 12. Qb3 g5 13. f4 gxf4 14. gxf4 Ng6 15. Nd5 Kh8 16. Nec3 Nh4 17. Bh3 Be6 18. Bd2 Bf7 {½-½ (26) Kirschner,A (2201)-Bukacek,E (2259) Austria 2005}) 12... e4 13. Kh1 (13. f3 $11) 13... Be6 $15 14. d5 Bf7 15. f3 exf3 16. Bxf3 Nd7 17. Bg2 Ne5 18. Qb3 g5 19. e4 h6 20. Be3 ({White should play} 20. exf5 $15 Bh5 21. f6 Rxf6 22. Rxf6 Bxf6 23. h3) 20... Bg6 $17 21. Bg1 Rf7 22. a4 (22. Rbd1 $17 {keeps fighting.}) 22... Qd7 $19 23. exf5 Bxf5 24. Ne4 Raf8 {[#] White must now prevent ...Bxe4.} 25. Qc2 Kh8 26. Rbe1 Ng8 27. Nc1 {[#]} (27. Rc1 $142) 27... Nf6 $1 $17 {[%cal Rf6e4]} 28. Nxf6 Bxc2 29. Nxd7 Rxf1 30. Bxf1 $4 {[%mdl 8192]} (30. Rxf1 $17 Nxd7 31. Rxf8+ Bxf8 32. Bf1) 30... Rxf1 {Accuracy: White = 28%, Black = 72%.} ({Weaker is} 30... Nxd7 31. Bd3 $17) 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.6"]
[White "Franco Valencia, Beatriz Irene"]
[Black "Gonzalez Ochoa, Yoana"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2191"]
[BlackElo "2058"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,69,25,29,4,8,14,18,-25,-31,-16,0,0,12,16,11,-32,-25,-96,-75,-72,-89,-106,-104,-104,-17,-8,-18,-26,0,0,17,-31,-13,-29,0,-37,0,-127,-104,-129,-77,-152,0,-116,0,-160]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 a6 7. Bd3 Bg4 8. Nge2 e6 9. O-O Be7 10. Rc1 O-O {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} 11. Na4 Nd7 12. f3 (12. Qb3 Nb4 13. Ng3 b5 14. Nc5 Bxc5 15. dxc5 Nxd3 16. Qxd3 e5 17. c6 exf4 18. exf4 {0-1 (37) Tregubov,P (2575)-Movsesian,S (2647) Riadh 2017}) 12... Bh5 13. Qb3 Ra7 {LiveBook: 27 Games} 14. a3 Bg6 15. Bxg6 hxg6 16. Nc5 $146 ({Predecessor:} 16. Qd3 Nb6 17. Nxb6 Qxb6 18. b4 {½-½ (18) Doric,D (2482)-Ruck,R (2534) Vogosca 2007}) 16... Nxc5 17. dxc5 Qa5 18. Qc2 g5 19. Bg3 $1 Rc8 20. Be1 Qd8 21. Nd4 (21. f4 $11) 21... Raa8 {Hoping for ...Bxc5!} 22. b4 b6 23. Qa4 {[#]} Ne5 $1 {[%cal Rb6c5]} 24. Bg3 {[#]} b5 (24... Nc4 $1 $17 25. e4 bxc5) 25. Qb3 $36 {[%mdl 2048] Black is under pressure.} Nc4 26. Rfd1 Bf6 27. e4 e5 28. Nc2 d4 29. a4 Qe8 30. Ra1 Qc6 (30... g4 $5) 31. Rd3 {[#]} (31. h3 $11 {remains equal.}) 31... g4 $1 {[%mdl 512]} 32. Na3 (32. fxg4 Qxe4) 32... Ne3 (32... gxf3 $142 33. gxf3 Nxa3 34. Rxa3 a5 35. axb5 Qxb5 36. bxa5 Qxc5) 33. Nc2 (33. a5 $142) 33... Nc4 34. Na3 $1 Ne3 35. Nc2 {Accuracy: White = 41%, Black = 37%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.7"]
[White "Roca Rojas, Ana Flavia"]
[Black "Cervantes Landeiro, Thalia"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2132"]
[BlackElo "2098"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,120,-15,-29,-14,0,2,-9,0,-11,0,-11,8,2,11,10,14,0,0,-6,0,0,11,0,15,7,4,11,32,40,30,16,34,25,33,6,23,0,52,30,54,42,42,55,45,17,75,75,131,131,116,131,113,16,15,0,0,0,0,0,0,0,0,-71,-77,-94,-87,-87,-80,-96,-71,-86,-86,-114,-114,-208,-177,-164,-12,-263,-189,-215,-135,-135,-135,-414,-381,-372,-351,-520,-347,-625,-617,-650,-659,-606,-555,-899,-773,-1502,-1455,-4630,-4602,-29974,-29975,-29970,-29970,-29968,-29972]} 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Na5 5. Nf3 Nxc4 6. dxc4 Bb4 7. Bd2 {C28: Vienna Game: 2...Nf6 3 Bc4 Nc6} (7. Qd3 d6 8. Bd2 Nd7 9. a3 Nc5 10. Qe3 Bxc3 11. Bxc3 Qe7 12. O-O-O a5 13. Nd2 Na4 14. Nb3 Nxc3 15. Qxc3 {1-0 (71) Jerez Perez,A (2405)-Valsecchi,A (2506) Escaldes 2017}) 7... d6 8. Qe2 {LiveBook: 6 Games} Be6 9. O-O-O {The position is equal.} Nd7 $146 ({Predecessor:} 9... h6 10. Nd5 Bxd2+ 11. Rxd2 b6 12. h3 Bxd5 13. cxd5 Qd7 14. Kb1 a5 {1-0 (57) Ljubarskij,J (2341)-Schulz,W (2161) Davos 2006}) 10. Kb1 Bxc3 11. Bxc3 Qe7 12. Nd2 {[%cal Bf3d2,Bd2f1,Bf1e3][%mdl 32]} O-O-O 13. Nf1 f5 14. exf5 Bxf5 15. Ne3 Be6 16. Rhe1 Rdf8 17. f3 Qg5 18. b3 h5 19. Nd5 Bxd5 20. Rxd5 h4 21. h3 Kb8 22. Bd2 Qg3 23. Be3 Nf6 24. Rdd1 e4 25. Rf1 exf3 (25... b6 $11) 26. Qxf3 Qg6 27. Bd4 Nd7 28. Qd3 Qg5 29. Qc3 Ne5 (29... b6 $11) 30. c5 $16 Qxg2 {[#]} (30... Rxf1 $142 31. Rxf1 Re8) 31. Rg1 $1 {[%cal Rg1g2]} Qe2 32. Rde1 Qf3 33. Bxe5 (33. Rxg7 $16 Qxc3 34. Bxc3) 33... dxe5 $11 34. Qxe5 Qxh3 35. Rxg7 Qc8 {And now ...Re8 would win.} 36. Qh2 Qd8 37. a4 {next Ree7 is good for White.} Re8 38. Reg1 (38. Rxe8 $11 {keeps the balance.} Rxe8 39. a5) 38... Re7 $17 39. Ka2 Rxg7 40. Rxg7 {[%mdl 4096] Endgame KQR-KQR} h3 41. Rf7 a6 42. Rg7 Rh5 43. Rg3 Qh8 ({Don't play} 43... Rxc5 $6 44. Rxh3 Qf6 45. Re3 $11) 44. c3 (44. Re3 $17 {was necessary.}) 44... Ka7 {[#] White must now prevent ...Qe5.} 45. Rf3 c6 $2 ({Black should try} 45... Qc8 $19 46. Kb2 Rh7) 46. Rd3 $2 {[%mdl 8192]} (46. Qd6 $1 $11 {and White has nothing to worry.}) 46... Qb8 47. Rd2 Qxh2 48. Rxh2 $19 {KR-KR} Kb8 ({Of course not} 48... Rxc5 $6 49. Rxh3 Rg5 50. Ka3 $11) 49. Kb2 $2 {[%mdl 8192]} (49. Ka3 $17) 49... Kc7 50. Kc2 Kd7 51. Kd2 (51. Kd3 $142 Ke6 52. Ke4) 51... Ke6 52. Ke2 $2 (52. b4) 52... Kd5 53. Kf3 Kxc5 54. Kg4 Rh8 55. Kf4 a5 56. Kg4 b5 57. axb5 cxb5 {[%cal Bc6b5,Bb5a4][%mdl 32]} 58. Rh1 h2 {Black mates.} 59. Kf4 a4 60. bxa4 bxa4 {Accuracy: White = 41%, Black = 47%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.8"]
[White "Miranda Rodriguez, Tania"]
[Black "Rodriguez Rueda, Paula Andrea"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2246"]
[BlackElo "2275"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,82,52,56,7,47,10,39,0,12,-31,18,0,103,96,96,44,22,-22,-25,-22,-29,-52,10,-29,35,-39,0,-72,0,-53,-8,-8,-8,-8,-8,-10,-12,-21,0,-159,-163,-174,-160,-198,-197,-185,-118,-291,-285,-464,-463,-441,-418,-409,-391]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Qd2 O-O 10. O-O-O Nbd7 11. g4 b5 12. g5 Nh5 13. Kb1 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (13. Nd5 Bxd5 14. exd5 f6 15. gxf6 Bxf6 16. Kb1 Nf4 17. Na5 Nb6 18. Nc6 Qc7 19. Bxf4 exf4 20. c3 Rae8 21. Rg1 {½-½ (88) So,W (2776)-Wojtaszek,R (2727) Batumi 2018}) 13... b4 14. Nd5 Bxd5 15. exd5 a5 {LiveBook: 19 Games} 16. Nc1 Nb6 $146 ({Predecessor:} 16... Qb8 17. Ne2 f5 18. Ng3 Nxg3 19. hxg3 g6 20. Bd3 Rf7 {½-½ (79) Van Lishout,F (2065)-Spaan,N (2098) Belgium 2017}) 17. b3 Qc7 18. Qf2 Rfb8 19. h4 a4 20. Bb5 a3 (20... Ra5 $11 21. Bc6 f5) 21. Bc6 $16 {aiming for Bxb6.} Ra5 22. Rhg1 (22. f4 $16) 22... f5 $14 {[%cal Bf7f5,Bf5f4][%mdl 32]} 23. Ne2 f4 24. Bxb6 Rxb6 25. Rc1 Rc5 (25... Rb8 $15) 26. c3 Qb8 (26... Qc8 $11) 27. Qe1 (27. c4 $14) 27... g6 28. Qd2 {[#]} (28. c4 $11) 28... Ng7 (28... Qc8 $1 $17) 29. Qd3 ({White should play} 29. cxb4 $11 Rxb4 30. Bd7) 29... Qc8 (29... Qa7 {with more complications.} 30. Rgf1 Rb8 31. Rg1 Nh5 32. cxb4 Rxc1+ 33. Rxc1 Ng3) 30. cxb4 Rxb4 31. Rxc5 dxc5 32. d6 Qxc6 33. dxe7 c4 34. Qd8+ $2 (34. Qc3 $1 $11 Qd6 35. Re1) 34... Ne8 $17 35. Rc1 Kf7 36. Qa5 Qd6 $40 {[%mdl 128] Black is out for blood.} 37. Rc3 {[#]} cxb3 ({Resist} 37... Qxe7 38. Qxa3 Qb7 39. Kc1 $15) (37... Rb7 $1 $19 38. Rxc4 Qd3+ 39. Rc2 Rc7) 38. Qxa3 $2 (38. axb3 $17 Rb7 39. Qd8) 38... bxa2+ $19 ({Stronger than} 38... Kxe7 39. Rxb3 Rc4 40. Rb7+ Rc7 41. Qb3 $11) 39. Kxa2 $2 (39. Ka1) 39... Qd2+ 40. Ka1 Qd1+ 41. Rc1 Ra4 {Accuracy: White = 22%, Black = 35%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.9"]
[White "Aliaga Fernandez, Ingrid Y"]
[Black "Toro Castaneda, Elizabeht"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2194"]
[BlackElo "1932"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,89,72,53,62,56,69,69,64,64,72,60,68,63,58,49,76,42,68,35,45,25,34,19,26,8,23,16,23,16,23,0,33,24,32,15,16,0,0,0,0,0,0,0,122,131,132,119,157,130,148,156,460,444,477,511,503,493,608,588,1065,1173,1115,1121,1007,767,1199,852,5220,5214]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 O-O 9. O-O Bd7 10. Nb3 a5 11. Nd2 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0} Ne5 (11... Bc8 12. Rc1 Nd7 13. Nb3 a4 14. Nd4 Nxd4 15. Bxd4 Bxd4 16. Qxd4 Qb6 17. Qxb6 Nxb6 18. f4 Be6 {½-½ (31) Zherebukh,Y (2633)-Edouard,R (2612) Saint Louis 2018}) 12. f3 {LiveBook: 3 Games} Bc6 13. Rc1 {White is slightly better.} Ned7 14. Nb3 a4 15. Nd4 Qa5 16. Qd2 $146 ({Predecessor:} 16. Qe1 Rfc8 17. Qf2 Nc5 18. Rc2 Nfd7 {½-½ (30) Nikolenko,O (2450)-Bojczuk,Z (2295) Moscow 1991}) 16... Rfc8 17. Rfd1 Nc5 18. Bf1 Qd8 19. Nxc6 Rxc6 20. Nd5 (20. Qf2 {seems wilder.} Nfd7 21. Nb5 Qa5 22. h4 Ne6 23. h5) 20... Nxd5 21. exd5 Rcc8 22. Re1 Qb6 23. Rc2 Bf6 24. Qf2 Qa5 25. Bd2 Qb6 26. Bc3 (26. Bf4 {looks sharper.} Qc7 27. Rcc1 Re8 28. Rcd1 Rad8 29. g3) 26... Bxc3 27. Rxc3 Re8 28. Rce3 Qc7 29. Qh4 {[%cal Re3e7]} e5 30. f4 f5 31. g4 fxg4 $1 32. Qxg4 Qd7 (32... Qb6 $11) 33. Qxd7 $16 Nxd7 34. Bh3 $36 {[%mdl 2048] Keeping Black busy.} Nb6 35. b3 {[%cal Rf4e5]} axb3 36. axb3 Ra3 $2 (36... e4 $16 37. Be6+ (37. Rxe4 Rxe4 38. Rxe4 Kf8 $16) 37... Kg7) 37. Be6+ $18 {White is clearly winning.} Kg7 38. fxe5 {[%mdl 64] [#] Overworked Piece} dxe5 39. c5 Na8 40. Rf1 Rf8 41. Rxf8 Kxf8 42. d6 Ra1+ 43. Kg2 Rd1 44. Rxe5 b6 45. Rd5 {Accuracy: White = 46%, Black = 52%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.10"]
[White "Castrillon Gomez, Melissa"]
[Black "Moncada Correa, Sara"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2301"]
[BlackElo "1792"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,81,26,19,60,27,30,22,161,156,199,152,170,183,225,234,233,198,223,214,264,266,341,204,279,146,331,222,418,420,374,286,310,315,341,0,0,-123,282,288,254,172,405,394,400,363,377,0,747,739,1054,1053,961,903,1221,1123,29976,29977,29978,29979,29979,29980,29979,29980,29979,29974]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Nxc6 dxc6 8. f4 {B43: Sicilian: Kan Variation: 5 Nc3} (8. O-O e5 9. f4 Nf6 10. Kh1 Bd6 11. f5 b5 12. a4 Bb7 13. axb5 axb5 14. Rxa8+ Bxa8 15. Bxb5 cxb5 16. Nxb5 Qc6 17. Qxd6 Qxb5 18. Rd1 {1-0 (53) Guseinov,G (2646)-Bortnyk,O (2552) Minsk 2015}) 8... e5 9. Qf3 Nf6 10. f5 {LiveBook: 11 Games. White has an edge.} Bd7 11. g4 $146 {[%cal Bg2g4,Bg4g5][%mdl 32]} ({Predecessor:} 11. a3 Bc5 12. Bd2 O-O-O 13. O-O-O Kb8 14. Rhe1 Bc8 15. Kb1 h6 {1-0 (61) Valak,A (2388)-Rimkus,B (1947) ICCF email 2009}) 11... h6 12. h4 Be7 (12... h5 $11 {and Black has nothing to worry.}) 13. g5 $18 Ng8 14. Bc4 {[%cal Bd3c4,Bc4f7,Bf7b3][%mdl 32]} O-O-O 15. Bxf7 Qb6 16. Bb3 $1 hxg5 17. hxg5 Rxh1+ 18. Qxh1 Bc5 19. Qf3 Bb4 20. Kf1 (20. Be3 $142 Bc5 21. Bxc5 Qxc5 22. O-O-O) 20... Bxc3 21. bxc3 (21. Qxc3 $18 Bxf5 22. Be3 (22. exf5 Rd1+ 23. Ke2 Qg1 $18) 22... Bh3+ 23. Kg1) 21... Qc5 $2 (21... c5 $16 22. Be3 Qc7) 22. Qe3 Qb5+ $2 (22... Qd6 23. Bb2 c5) 23. c4 Qb4 24. a4 Qf8 25. Ba3 Qe8 26. g6 $2 (26. Rd1 $18) 26... Nf6 $11 27. Kg2 {[#]} (27. Rd1 $11 {remains equal.} Qh8 28. Qf3) 27... Nh5 $2 {[%mdl 8192] [#]} (27... c5 $1 $17 {Hoping for ...Bc6.} 28. Bxc5 (28. Qxc5+ Bc6 $15) 28... Bc6) 28. Rh1 $1 $18 {[%cal Rh1h5]} Nf4+ 29. Kf3 Nxg6 $2 (29... c5 {was worth a try.} 30. a5 (30. Qxc5+ Bc6 $16) 30... Bc6) 30. Qg5 Bxf5 31. Qxf5+ ({Much less strong is} 31. exf5 e4+ 32. Ke2 Qe5 $18) 31... Kb8 32. c5 $2 (32. Rh7 $18) 32... Nf4 $2 {[%mdl 8192]} (32... Rd1 $11 33. Rxd1 Nh4+ 34. Kg4 Nxf5 35. exf5 g6) 33. Bb2 Ka7 34. Bxe5 Ng6 35. Bd6 Nh8 36. e5 {[%cal Be4e5,Be5e6,Be6e7][%mdl 32]} g6 37. Qf6 {White mates.} g5 {[#]} 38. Rxh8 $1 Qxh8 39. Qxh8 Rxh8 40. e6 Rg8 41. e7 {Accuracy: White = 65%, Black = 16%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.11"]
[White "Prado, Alexandra"]
[Black "Chirivi C, Jenny Astrid"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1873"]
[BlackElo "2118"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,48,32,34,-61,-62,-88,-66,-54,-52,-62,-48,-58,-37,-149,0,-256,-243,-308,-170,-176,-176,-155,-150,-248,-255,-405,-395,-671,-659,-652,-644]} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nh3 Nge7 8. O-O O-O 9. f5 gxf5 10. Qh5 {B25: Closed Sicilian: 3 g3, lines without early Be3} f6 {LiveBook: 5 Games} 11. Bh6 ({White should try} 11. exf5 $14 d5 12. g4) 11... Nd4 $15 12. Rf2 {Black is slightly better.} Qe8 13. Qxe8 Rxe8 14. Bxg7 Kxg7 15. Raf1 {[#]} Rb8 $146 ({Predecessor:} 15... Rf8 16. exf5 Ndxf5 {0-1 (52) Cifuentes Parada,R (2500)-Nijboer,F (2530) Wijk aan Zee 1994}) 16. exf5 (16. Nd1 $15) 16... Bxf5 ({Much weaker is} 16... Nexf5 $6 17. Nd5 $11) (16... Ndxf5 $17 17. Ne4 d5 18. Nxf6 Kxf6) 17. g4 $2 {[%mdl 8192] [#]} (17. Ne4 $1 $11 {and White stays safe.}) 17... Bxg4 $19 18. Rxf6 Nef5 $36 {[%mdl 2048] Black is really pushing.} (18... Ndf5 $142 19. Re6 Ne3 20. Rxd6 Nxf1 21. Bxf1 Red8 22. Rxd8 Rxd8) 19. Nd5 Rf8 20. Rxf8 Rxf8 ({Don't play} 20... Kxf8 $6 21. Ng5 $11) 21. Nf2 (21. Rf2 $17 {is a better defense.}) 21... Be2 22. Re1 (22. Rc1 {might work better.}) 22... Nh4 23. Rc1 $2 {[#]} (23. Ne4) 23... Nxg2 24. c3 Ne6 {Precision: White = 10%, Black = 80%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.12"]
[White "Ocampo, Cristina"]
[Black "Cordero, Daniela"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1771"]
[BlackElo "2085"]
[Annotator "NA RC"]
[PlyCount "95"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. exf6 hxg5 7. fxg7 Rg8 8. h4 gxh4 9. Qh5 Qf6 10. Qxh4 Qxg7 11. O-O-O Bd7 12. Nf3 a6 13. Ne5 Nc6 14. Nxc6 Bxc6 15. Rd3 Be7 16. Qh7 O-O-O 17. Rf3 Qg5+ 18. Kb1 Rg7 19. Qd3 Bd6 20. Rh7 Rxh7 21. Qxh7 Qd2 22. Qd3 Qe1+ 23. Qd1 Qxd1+ 24. Nxd1 Rf8 25. Ne3 Kd7 26. c3 f6 27. Ng4 Be7 28. Rh3 Rg8 29. f3 Kd6 30. Rh7 Be8 31. Kc1 Bg6 32. Rh1 e5 33. Kd2 Ke6 34. Bd3 c5 35. Bxg6 Rxg6 36. dxe5 fxe5 37. Ke2 b5 38. Rh6 Rxh6 39. Nxh6 Bg5 40. Ng4 a5 41. Nf2 b4 42. Kd1 Bh4 43. Nh3 Bg3 44. Ng5+ Kf5 45. Nf7 e4 46. fxe4+ Kxe4 47. Ng5+ Kd3 48. Ne6 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.13"]
[White "Munoz Monroy, Cinthya Carolina"]
[Black "Gomez Guardo, Laura Meli"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2032"]
[BlackElo "1842"]
[Annotator "NA RC"]
[PlyCount "65"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Bg4 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Qa5 9. O-O Nf6 10. a3 a6 11. Bf4 Be7 12. Qb3 Ra7 13. Rfd1 Nd5 14. Nxd5 Qxd5 15. Qb6 O-O 16. Rac1 Bd8 17. Bc7 Bxc7 18. Qxc7 Rfa8 19. h3 Bxf3 20. Bxf3 Qd8 21. Qf4 Ne7 22. Rc7 b5 23. Rdc1 Rxc7 24. Rxc7 Rc8 25. Ra7 Nf5 26. d5 g5 27. Qe5 Qb6 28. dxe6 fxe6 29. Rd7 Rc1+ 30. Kh2 Rc5 31. Qf6 Qb8+ 32. g3 Qf8 33. Rd8 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.14"]
[White "Caballero Marrugo, Maria Jose"]
[Black "Caballero Quijano, Mitzy Mishell"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1338"]
[BlackElo "1992"]
[Annotator "NA RC"]
[PlyCount "114"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5 exd5 5. Nf3 Be7 6. Bd3 Bg4 7. Bf4 c6 8. O-O O-O 9. Re1 Nbd7 10. Be2 Re8 11. Qd3 Nh5 12. Qd2 Bb4 13. h3 Bf5 14. Bh2 Nhf6 15. a3 Ne4 16. Qf4 Nxc3 17. Qxf5 Nxe2+ 18. Rxe2 Rxe2 19. axb4 g6 20. Qd3 Re8 21. Qd2 a6 22. Qh6 f6 23. h4 Qe7 24. Qd2 Qf7 25. Bf4 Re4 26. c3 Rae8 27. Be3 Qe7 28. Re1 Nb6 29. b3 Nc8 30. g3 Nd6 31. Qd3 Nf5 32. Nd2 Rxe3 33. fxe3 Nxg3 34. Kf2 Nf5 35. h5 Qd6 36. Nf1 Kg7 37. hxg6 hxg6 38. Ke2 Nh4 39. Kd1 f5 40. Qe2 Rh8 41. Qf2 g5 42. Ng3 Kg6 43. Rf1 Qe6 44. Rg1 Re8 45. Kd2 g4 46. Kd3 Nf3 47. Rh1 Re7 48. Rh5 Rh7 49. Rxh7 Kxh7 50. Qf1 Qh6 51. Qh1 Qxh1 52. Nxh1 Kg6 53. c4 Kg5 54. Ke2 Kh4 55. Kf2 Nd2 56. Ng3 Ne4+ 57. Nxe4 fxe4 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.15"]
[White "Barria Baker, Raisa Melissa"]
[Black "Hoyos Garces, Rosana"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1941"]
[BlackElo "1586"]
[Annotator "NA RC"]
[PlyCount "83"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. h3 Nbd7 6. e4 e5 7. d5 Nc5 8. Nd2 a5 9. Be2 O-O 10. Qc2 Ne8 11. Nb3 Nxb3 12. Qxb3 f5 13. Be3 b6 14. O-O-O Bd7 15. f3 Nf6 16. g4 f4 17. Bf2 Be8 18. Bh4 Qb8 19. Bxf6 Bxf6 20. h4 Qa7 21. a4 Rc8 22. Kb1 c6 23. g5 Be7 24. Rdg1 Kg7 25. Bf1 Bd7 26. h5 Rh8 27. Qc2 cxd5 28. Nxd5 Bc6 29. Rh2 b5 30. Qg2 Be8 31. hxg6 Bxg6 32. axb5 Qd4 33. Be2 Bd8 34. Rd1 Qc5 35. Qg4 Rf8 36. Qe6 Ra8 37. Nc3 Bc7 38. Rdh1 a4 39. Qe7+ Kg8 40. Rxh7 Rf7 41. Rxf7 Bxf7 42. Qf6 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "5.16"]
[White "Blanco Noguera, Yoryeth"]
[Black "Zapata, Olga Maria"]
[Result "1-0"]
[ECO "A00"]
[BlackElo "1695"]
[Annotator "NA RC"]
[PlyCount "123"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 e6 5. Nc3 Nbd7 6. cxd5 exd5 7. Be2 Bd6 8. O-O O-O 9. h3 Re8 10. Bd2 c6 11. a3 h6 12. Qb3 Rb8 13. Rfe1 Ne4 14. Bc1 Qf6 15. Rd1 g5 16. Nh2 Bc7 17. Nxe4 Bxe4 18. Bg4 Qd6 19. Nf1 Nf6 20. Be2 Bg6 21. Re1 Ne4 22. Qd1 Qf6 23. Bf3 Re7 24. Nd2 Qd6 25. Nf1 Rbe8 26. Bd2 Qf6 27. Rc1 Bf5 28. Bxe4 Bxe4 29. Bb4 Re6 30. Bd2 Qg7 31. Nh2 Bg6 32. Rf1 Bd3 33. Re1 Ba6 34. Bc3 f5 35. Rc2 Qg6 36. Qc1 f4 37. Bd2 Bd3 38. Rc3 fxe3 39. Rxe3 Rxe3 40. Bxe3 Bf5 41. Nf3 Be6 42. Qd1 Qf6 43. Nd2 Bf5 44. Qf3 Qg6 45. Qe2 Bd7 46. f3 Bf4 47. Qf2 Bc7 48. Nf1 Rf8 49. b4 a6 50. Nd2 Rf7 51. Nf1 g4 52. hxg4 Bxg4 53. Bd2 Bd7 54. Qh4 Kg7 55. Re3 Bd6 56. Rc3 Be7 57. Qh2 Bd6 58. Qh4 Re7 59. f4 Bf5 60. Rg3 Re6 61. Rxg6+ Rxg6 62. Ne3 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.1"]
[White "Fernandez, Maria Florencia"]
[Black "Cori T., Deysi"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2198"]
[BlackElo "2406"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,70,12,0,23,5,26,16,52,19,18,19,12,0,0,0,12,14,10,12,24,24,24,24,24,12,16,0,107,77,106,91,91,91,80,80,56,10,10,5,8,8,107,0,0,0,0,0,0,0,1]} 1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Bb4 5. Qc2 b6 6. a3 Bxc3+ 7. Qxc3 Bb7 8. g3 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} O-O 9. Bg2 d6 10. O-O Qe7 (10... Nbd7 11. b4 Qe8 12. a4 a5 13. b5 Qh5 14. Qc2 Rae8 15. Ba3 f4 {0-1 (68) Fedoseev,V (2548)-Khismatullin,D (2656) Plovdiv 2012}) 11. b4 Nbd7 12. Bb2 {LiveBook: 22 Games} Rac8 13. Qb3 $146 ({Predecessor:} 13. Rfd1 Be4 {1-0 (40) Cori Tello,D (2415)-Pasiev,R (2312) Moscow 2012}) 13... Kh8 14. a4 c5 15. a5 (15. bxc5 {looks sharper.} dxc5 16. e3 Rb8 17. Qc2 Rfc8 18. Rfd1) 15... cxd4 16. axb6 axb6 17. Nxd4 Bxg2 18. Kxg2 Ne5 19. Rfc1 f4 20. Nf3 Ng6 21. Bxf6 Qxf6 22. Qd3 fxg3 23. hxg3 Ne5 24. Nxe5 Qxe5 (24... Qxf2+ $11 25. Kh3 dxe5) 25. f4 Qb2 26. Rh1 {[%csl Gh1][%cal Rd3h7] [#]} h6 27. Ra7 {White threatens Rxh6+! and mate.} Qf6 28. Rd7 $40 {[%mdl 128] Black is in trouble.} Rfd8 29. Rxd6 Rxd6 30. Qxd6 {Rh5 is the strong threat.} Rxc4 31. Qxb6 $14 {aiming for Rh5. KQR-KQR} Kh7 {[#]} (31... Qf5 $11 {remains equal.} 32. Kf2 Qe4) 32. Qd6 (32. Rh5 $1 $16) 32... Qf5 $11 {And now ...Qe4+ would win.The position is equal.} 33. Rd1 Qe4+ 34. Kf2 Rxb4 35. Qd3 Qf5 {Precision: White = 68%, Black = 45%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.2"]
[White "Llaudy Pupo, Lisandra"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2302"]
[BlackElo "2098"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,131,15,15,7,32,18,36,3,16,15,58,29,63,51,60,45,56,42,34,43,22,0,0,0,25,19,15,19,81,75,72,72,76,76,76,76,79,79,79,81,72,83,79,54,54,54,61,47,53,47,47,46,47,46,46,31,47,47,47,0,47,0,47,45,47,47,59,54,58,59,569,696,326,641,685,637,993,147,147,0,875,395,859,40,40,40,147,147,560,560,560,541,383,8,3823,3640,2268,1516,29968,29970,29972,29972,29970,29971,29971,29971,29969,29971,29981,29982,29987,29988,29988,29989]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 O-O 6. O-O d6 7. h3 a6 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} 8. Ba4 Ba7 9. Re1 Ne7 10. d4 Ng6 {LiveBook: 7 Games} 11. Bc2 c5 $146 ({Predecessor:} 11... Re8 12. Nbd2 c5 13. d5 b5 14. b3 Bd7 15. Nf1 Qc7 16. Ne3 Bb6 17. a4 Nf4 18. Nh2 c4 19. bxc4 Ba5 20. Bd2 bxc4 {½-½ (54) Hou,Y (2673)-So,W (2773) Wijk aan Zee 2016}) 12. Be3 b5 13. Nbd2 Bb7 14. a4 Re8 15. dxe5 dxe5 16. axb5 axb5 17. Qe2 Bc6 18. b4 Nf4 19. Qf1 Qc7 20. bxc5 (20. c4 {seems wilder.} cxb4 21. cxb5 Bxe3 22. fxe3 Rxa1 23. Rxa1 Bb7 24. Nc4) 20... Ne6 21. Bd3 Bxc5 (21... Reb8 {looks sharper.} 22. Rab1 Bxc5 23. Bxc5 Nxc5 24. Bxb5 Bxe4 25. Nxe4 Nfxe4 26. Bd3 Rxb1 27. Bxb1 Nxc3 28. Rxe5 Nxb1 29. Qxb1 Ne6) 22. Rxa8 Rxa8 23. Bxb5 Bxe4 (23... Bxb5 $11 24. Qxb5 Rc8) 24. Nxe4 $16 Nxe4 25. Bc4 {aiming for Bxe6.} Bxe3 26. Rxe3 Nd6 27. Bxe6 fxe6 28. Rxe5 Qxc3 29. Rxe6 Ra1 30. Re1 Rxe1 31. Qxe1 (31. Nxe1 {with more complications.} h6 32. Qe2 Qd4 33. Nd3 Qe4 34. Qxe4 Nxe4 35. f3) 31... Qxe1+ 32. Nxe1 {[%mdl 4096] Endgame KN-KN} Kf7 33. Kf1 Kf6 34. Ke2 g5 35. Nd3 h5 36. Ke3 Kf5 37. Kd4 Ne8 38. Nb4 Nc7 39. Nd3 Ne8 40. Nb4 Nc7 41. Ke3 Ne6 42. g3 Nc7 43. Nc2 Nd5+ 44. Kd4 Nf6 $2 {[%mdl 8192]} ({Black should play} 44... Nc7 $14) 45. Ne3+ $18 Kg6 46. f4 $1 gxf4 47. gxf4 Nd7 48. Ke4 $2 (48. h4 $1 $18 {and the rest is easy.} Kf6 49. f5) 48... Nc5+ $16 49. Kd4 $2 {[%mdl 8192]} (49. Kf3 $16) 49... Nd7 $18 50. Kd5 (50. h4 $142 Kf6 51. f5) 50... Kf6 $2 (50... h4 51. Kd4 Nf6) 51. Ke4 $2 (51. h4 $18 {Black must now prevent f5.} Nf8 52. f5) 51... Nc5+ $1 $14 52. Kf3 Nd3 (52... Nb3 $1 $14) 53. Nf1 $1 $16 Kf5 $2 {[%mdl 8192]} (53... Nb2 $16 {is tougher.} 54. Ng3 Kg6) 54. Ng3+ $18 Kg6 {[#]} 55. Ke3 $1 {[%cal Re3d3]} Nb4 {[#]} 56. h4 $2 (56. Ke4 $1 $18) 56... Nd5+ $2 {[%mdl 8192]} (56... Nc2+ $11 57. Ke2 Nd4+ 58. Ke3 Nc2+ 59. Kf2 Nd4) 57. Ke4 Nf6+ 58. Ke5 Ng4+ 59. Ke6 {White mates.} Nf6 60. Ne2 Ne8 61. f5+ {[%cal Bf4f5,Bf5f6][%mdl 32]} Kg7 62. Nf4 Nf6 63. Nd5 Ne4 64. Ke7 Ng3 65. f6+ Kg6 66. Ne3 {Accuracy: White = 57%, Black = 31%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.3"]
[White "Marrero Lopez, Yaniet"]
[Black "Besso, Guadalupe"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2253"]
[BlackElo "2069"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,108,31,45,64,22,29,14,24,29,27,27,32,0,21,12,15,0,0,0,0,0,0,0,89,91,94,93,85,90,138,129,136,0,94,0,0,-21,-26,-23,57,53,59,59,61,58,79,82,99,64,89,0,0,0,0,-4,0,0,0,0,0,0,0,0,0,-162,-162,-142,-7,-7,-7,-9,-8,-18,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. Bb5 Bg7 5. O-O a6 6. Bxc6 dxc6 7. h3 Nf6 8. d3 b6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} (8... O-O 9. Be3 Nd7 10. Bf4 Re8 11. Qd2 Nf8 12. a3 Ne6 13. Bh2 a5 14. Rad1 Nd4 15. Nxd4 cxd4 16. Ne2 {0-1 (91) Ruch,E (2479)-Matei,C (2576) ICCF email 2009}) 9. Be3 O-O 10. Qd2 {LiveBook: 3 Games} e5 {White is slightly better.} 11. Bh6 {next Bxg7 is good for White.} Re8 12. a3 $146 ({Predecessor:} 12. Nh2 Be6 13. Bxg7 Kxg7 14. f4 exf4 15. Qxf4 Nh5 16. Qf3 {1-0 (42) Boidman,Y (2315)-Ehmann,T (2283) Wiesbaden 2016}) 12... a5 13. Bxg7 Kxg7 14. Ne2 Ba6 15. Rfd1 Qe7 16. Ng3 Nd7 17. a4 Nf8 18. Qc3 Qf6 19. Nf1 Bc8 20. N1d2 Ne6 (20... Ba6 $11 {keeps the balance.}) 21. Qxe5 $16 Qxe5 22. Nxe5 Nd4 23. c3 Ne2+ 24. Kf1 Nf4 25. Ndf3 ({And not} 25. Nxc6 Ba6 $17) ({White must play} 25. Ndc4 $16) 25... Be6 (25... Ba6 $1 $11) 26. Kg1 (26. d4 $16) 26... f6 $1 $11 {[%cal Rf6e5]} 27. Ng4 Rad8 28. d4 cxd4 ({Black should try} 28... Ne2+ $11 29. Kf1 Bc4) 29. Nxd4 $14 Bxg4 30. hxg4 c5 31. Nb5 Rxd1+ 32. Rxd1 Rxe4 {[%mdl 4096] Endgame KRN-KRN} 33. Rd7+ Kg8 34. Rd6 (34. g3 $16) 34... Rxa4 $11 35. Rxf6 Nd3 36. Rxb6 Ra1+ 37. Kh2 Nxf2 38. Kg3 Nd3 39. Nd6 Rb1 40. Nc4 a4 41. Rd6 $2 (41. Ra6 $11 {and White is okay.}) 41... Nxb2 $19 42. Rb6 a3 ({Black should play} 42... Rc1 $17 43. Rb8+ Kf7 44. Rb7+ Kf6 45. Rb6+ Ke7 46. Rb7+ Kf6 47. Rb6+ Kg7 48. Rb7+ Kf6) 43. Nxa3 $11 {The position is equal.} Rc1 44. Nb5 Nd1 45. Rb8+ Kg7 46. g5 Nxc3 47. Rb7+ Kg8 48. Nxc3 Rxc3+ {KR-KR} 49. Kf4 Rc1 50. Ke5 c4 {[#] aiming for ...c3.} 51. Rc7 Re1+ 52. Kf6 $1 {White wants to mate with Rc8+.} Rf1+ 53. Ke6 Re1+ 54. Kf6 {[#] Rc8+ would kill now.} Rf1+ {Accuracy: White = 55%, Black = 50%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.4"]
[White "Perez Rodriguez, Jennifer"]
[Black "Rodriguez Rueda, Paula Andrea"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2203"]
[BlackElo "2275"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,92,20,6,10,16,16,12,28,33,44,44,48,28,55,53,35,0,2,-23,10,-24,0,0,0,-19,-25,-22,7,-76,6,-3,27,18,48,35,48,27,60,66,54,58,58,57,74,80,74,75,78,54,73,35,64,54,97,99,93,39,56,58,93,87,126,120,127,127,122,121,129,117,122,99,100,95,101,61,45,83,89,-147,-150,-2703,-417]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Bd7 5. d3 e6 (5... g6 6. O-O Bg7 7. Be3 O-O 8. Nbd2 Nc6 9. h3 e5 10. a3 b6 11. b4 Nh5 12. Re1 Nf4 13. Bf1 Ne6 {0-1 (45) Aronian,L (2764)-Vachier Lagrave,M (2789) Stavanger 2018}) 6. O-O {B50: Sicilian: 2...d6, Miscellaneous} Be7 7. Re1 {LiveBook: 4 Games} O-O 8. Bf1 {The position is equal.} Bc6 9. Nbd2 d5 $146 ({Predecessor:} 9... Qc7 10. a3 Nbd7 11. b3 Rfe8 12. Bb2 b6 13. d4 {½-½ (89) Flores,D (2442)-Felgaer,R (2509) Pinamar 2002}) 10. e5 Ne8 11. d4 c4 12. Re3 Nd7 13. Ne1 g6 14. Qg4 Ng7 15. f4 f6 16. Nc2 b5 17. exf6 Nxf6 18. Qe2 Bd7 19. g3 Bd6 20. Bh3 (20. Qe1 $11 {keeps the balance.}) 20... Kh8 ({Black should try} 20... e5 $17 21. Bxd7 exd4 22. Be6+ Nxe6 23. Nxd4 (23. Rxe6 d3 $17 {[%mdl 64] Double Attack}) 23... Nxd4 24. cxd4 b4) 21. Qg2 Nfh5 22. Nf3 Qb6 23. Bd2 a5 24. a3 b4 25. axb4 axb4 26. Rxa8 Rxa8 27. Nxb4 Ra1+ 28. Re1 Rxe1+ 29. Bxe1 {Threatens to win with Nxd5!} Nf6 30. Kh1 Nf5 31. Qg1 Qa7 32. g4 Ng7 33. Ne5 {And now Nf7+ would win.} Be8 {[#]} 34. Bg3 (34. Bh4 $1 $16 {[%cal Rh4f6]} Ne4 35. Bg2) 34... Ne4 35. Nc2 Qa2 36. Qc1 Qa7 37. Bg2 Nxg3+ 38. hxg3 Bxe5 39. fxe5 ({Of course not} 39. dxe5 $6 Qf2 $11) 39... Qe7 40. Qf4 Bf7 41. Ne3 g5 42. Qf1 Qa7 43. Qf6 {[#] Black must now prevent Bxd5!} Qa1+ $1 44. Kh2 Bg8 45. Nxd5 $2 ({Much weaker is} 45. Qxg5 $6 Qxb2 46. Kh3 Qc1 $11) (45. Qf2 $16 {keeps the pressure on.}) 45... exd5 $17 46. Qf5 $2 (46. Qf2 $17) 46... Qxb2 {[%mdl 32768] Accuracy: White = 29%, Black = 39%. . Loss on time!?} (46... Nxf5 $142 47. gxf5 Qxb2) 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.5"]
[White "Rivera, Ingris"]
[Black "Arribas Robaina, Maritza"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2188"]
[BlackElo "2257"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,97,42,39,75,31,16,2,7,0,0,0,0,-11,0,-9,0,0,36,31,44,-10,161,136,161,161,162,161,164,157,147,166,177,82,76,62,89,21,150,162,140,152,191,208,374,373,441,255,247,245,314,270,295,193,277,153,217,208,483,483,483,476,476,473,641,637,563,422,526,508,509,508,510,520,631,637,686,690,735,729,685,629,715,710]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 c6 6. Nf3 O-O 7. Bd3 e5 8. d5 {E90: King's Indian: Classical: Early deviations and 6 h3} Nbd7 9. O-O {LiveBook: 8 Games} Nh5 10. dxc6 {White is better.} bxc6 11. Bc2 Nc5 12. Be3 $146 ({Predecessor:} 12. b4 Ne6 13. b5 Bb7 14. bxc6 Bxc6 15. Nb5 Qd7 16. Nxd6 {0-1 (26) Cvek,R (2461)-Jakubiec,A (2565) Czechia 2005}) 12... Ne6 13. Qd2 c5 14. Nd5 Rb8 15. b3 Bb7 16. Rae1 f5 17. exf5 gxf5 18. Ng5 ({Better is} 18. Qd1 $14) 18... Qd7 $2 (18... Nhf4 $11 {and Black has nothing to worry.} 19. Nxe6 (19. Nxf4 Nxg5 20. Ng6 Nxh3+ 21. gxh3 hxg6 $17) 19... Nxe6) 19. Qd1 $1 $18 {[%cal Rd1h5]} Nhf4 20. Bxf4 $1 Nxf4 21. Nxf4 exf4 22. Ne6 $40 {[%mdl 128] White attacks with force.} f3 23. g3 Rf7 {[#]} 24. Ng5 (24. Qd2 $1 $18) 24... Rf6 $16 25. Qd3 Rg6 26. h4 (26. Nxf3 $16 {And now Nh4 would win.} Qc6 27. Qd5+ Qxd5 28. cxd5) 26... f4 (26... Rf8 $11 {remains equal.}) 27. Qf5 Qxf5 28. Bxf5 fxg3 {aiming for ...g2.} 29. Bxg6 hxg6 $2 (29... g2) 30. fxg3 $18 Be5 31. Kh2 (31. Nxf3 $142 Bxf3 32. Rxf3) 31... Rf8 32. Re3 Rf6 33. a3 a5 34. Rd3 f2 {[#]} (34... Bb2 {was worth a try.} 35. Re3 (35. Nxf3 Bd4 $18) 35... Bc6 36. Nxf3 Bxa3) 35. Rd2 (35. Re3 $1 $18) 35... Bd4 (35... a4 $16) 36. Re2 {Strongly threatening Re8+.} Bc6 $2 (36... Bc8 {is a better defense.} 37. Re8+ {[%mdl 64] Double Attack} Rf8 38. Rxf8+ Kxf8) 37. Ne6 {White is clearly winning.} Be5 38. Nd8 Bd7 39. Rexf2 Bf5 40. Nc6 Re6 41. Nxa5 Bd4 42. Rxf5 gxf5 43. Rxf5 {[%mdl 4096] Endgame KRB-KRN} Re3 44. Kg2 Be5 45. Rf3 Re2+ 46. Kh3 Kg7 47. Nc6 Bf6 48. a4 Re8 49. Rd3 {Accuracy: White = 54%, Black = 27%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.6"]
[White "Ortiz Verdesoto, Anahi"]
[Black "Franco Valencia, Beatriz Irene"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2115"]
[BlackElo "2191"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,89,25,34,9,14,0,21,0,-1,-30,22,10,9,15,33,12,35,32,18,12,23,17,47,0,90,95,98,59,112,69,160,163,157,157,256,250,345,334,337,327,322,305,328,347,416,348,369,347,407,413,512,510,494,492,506,501,822,843,1129,1118,1089,1085,29980,29981,29981,29982,29980,5414,29984,29985,29985,29986,29986,29987,29987,29988,29988,29988]} 1. d4 d6 2. c4 Nd7 3. Nc3 e5 4. Nf3 g6 5. e4 Bg7 6. d5 Ne7 7. Be2 O-O 8. Rb1 {A42: Modern Defence: Averbakh Variation} (8. h4 h6 9. h5 g5 10. g4 c5 11. Be3 a6 12. Nd2 Bf6 13. a3 Kg7 14. b4 b6 15. Rb1 Ng8 16. Qa4 {1-0 (43) Chatalbashev,B (2560)-Sanduleac,V (2414) Albena 2013}) 8... a5 $146 ({Predecessor:} 8... f5 9. Ng5 Nf6 10. O-O h6 11. Nf3 fxe4 12. Ne1 Kh7 13. Be3 Nf5 14. Nc2 g5 {1-0 (37) Weaver,P-Plesko,J Seattle 1986}) 9. a3 f5 10. exf5 {The position is equal.} Nxf5 11. O-O h6 (11... Nc5 $142) 12. b4 axb4 13. axb4 b6 14. Bd3 Nf6 15. Qc2 Bd7 16. Bd2 Qe7 17. Rbe1 Qd8 18. c5 Nd4 {[#]} (18... Be8 $11) 19. Nxd4 $1 $16 exd4 20. Nb5 $36 {[%mdl 2048] White is pushing.} Ng4 (20... bxc5 $14 21. bxc5 dxc5) 21. h3 Ne5 (21... Nxf2 $1 $14 22. Rxf2 Rxf2 23. Kxf2 Qh4+ 24. Kg1 Bxh3) 22. cxd6 cxd6 23. Nxd4 Qh4 (23... Qf6 $16 {was necessary.}) 24. Re4 $18 Qd8 25. Nc6 Bxc6 26. dxc6 d5 27. Re3 Qd6 28. b5 g5 29. Rg3 Kh8 30. Qb3 Qe6 31. Be3 Nc4 32. Bxc4 dxc4 33. Qb4 Rf5 34. Bxb6 Rb8 (34... Qd5 $142 35. Rg4 Qxb5 36. Rxc4 Rc8) 35. Re3 Qd5 36. c7 Rc8 37. Rfe1 Re5 38. Rxe5 Bxe5 39. Qe7 Bg7 40. Qd8+ Qg8 41. Rd1 {White mates.} c3 {[#]} 42. Qxc8 $1 {[%mdl 576] Remove Defender, Decoy} Qxc8 43. Rd8+ {[%mdl 64] Double Attack} Kh7 44. Rxc8 c2 45. Be3 {Accuracy: White = 73%, Black = 29%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.7"]
[White "Gonzalez Ochoa, Yoana"]
[Black "Munoz Monroy, Cinthya Carolina"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2058"]
[BlackElo "2032"]
[Annotator "NA RC"]
[PlyCount "63"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nf3 g6 5. d4 Bg7 6. Be2 O-O 7. O-O Nxc3 8. bxc3 c5 9. Ba3 b6 10. Ne5 Bb7 11. Bf3 Qc7 12. Re1 Rd8 13. Bxb7 Qxb7 14. Rb1 Qd5 15. c4 Qxd4 16. Qf3 Bxe5 17. Qxa8 Qf4 18. g3 Qf6 19. Rbd1 Bd4 20. Qg2 Nc6 21. Kh1 Rd6 22. f4 Bc3 23. Rxd6 Qxd6 24. Rf1 Qe6 25. Qd5 Qh3 26. Rd1 Nd4 27. Qe4 Qg4 28. Rd3 h5 29. Kg2 Ba5 30. Bb2 b5 31. Bxd4 bxc4 32. Qa8+ 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.8"]
[White "Chirivi C, Jenny Astrid"]
[Black "Castrillon Gomez, Melissa"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2118"]
[BlackElo "2301"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,38,35,38,16,28,0,0,0,0,0,0,0,0,0,0,-45,-56,-38,-40,-45,-51,-39,-27]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 g6 5. Qc2 Bg7 6. e4 bxc4 7. Bxc4 d6 8. O-O O-O 9. h3 Nfd7 {LiveBook: 12 Games. A57: Benko/Volga Gambit} (9... Ba6 10. Nbd2 Nfd7 11. Rb1 Nb6 12. b3 Nxc4 13. bxc4 Qa5 14. Rb3 Qa4 15. Bb2 Bxb2 16. Rxb2 Qxc2 17. Rxc2 Nd7 {0-1 (36) Mamedyarov,S (2764)-Ivanchuk,V (2766) Beijing 2012}) 10. Bd3 $146 ({Predecessor:} 10. Na3 Nb6 11. Bd2 Nxc4 12. Nxc4 Ba6 13. Rfe1 Nd7 14. Bc3 Bxc3 15. Qxc3 Bxc4 16. Qxc4 Rb8 17. b3 {½-½ (35) Hirneise,T (2466)-Turov,M (2595) Teplice 2017}) 10... Ba6 11. Nbd2 Nb6 {The position is equal.} 12. Rb1 Qc8 13. b3 Bxd3 14. Qxd3 Na6 15. Nc4 f5 16. a3 fxe4 {Black is slightly better.} 17. Qxe4 Qf5 18. Qxf5 Rxf5 19. Ne3 Rff8 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.9"]
[White "Caballero Quijano, Mitzy Mishell"]
[Black "Aliaga Fernandez, Ingrid Y"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1992"]
[BlackElo "2194"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,71,11,11,-7,0,-25,0,0,0,0,0,0,0,-6,22,-20,11,-1,0,0,0,0,0,-8,-9,-39,-35,-45,0,0,0,0,0,0,0,-6,-2,-12,-7,-11,0,-69,0,0,0,0,0,0,0,-114,-112,-129,-47,-113]} 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O b5 7. Be2 Nbd7 {D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines} 8. a3 c5 9. dxc5 Bxc5 10. b4 Be7 {LiveBook: 4 Games} 11. Nd4 $146 ({Predecessor:} 11. Nbd2 O-O 12. Nb3 Nb6 13. Nfd4 e5 14. Nc6 {0-1 (37) Turov,M (2628)-Van den Doel,E (2591) Haarlem 2010}) 11... Bb7 12. Bf3 Qb6 13. Bb2 O-O 14. Nb3 Rac8 15. N1d2 Bxf3 16. Nxf3 Rfd8 17. Qe2 Ne4 18. Bd4 Qb8 19. Rac1 Rxc1 20. Rxc1 Rc8 21. Rxc8+ (21. Qb2 {is more complex.} Rxc1+ 22. Qxc1 Qb7 23. h3 Bd6 24. Nfd2) 21... Qxc8 22. Ne5 Nxe5 23. Bxe5 Nd6 24. Bxd6 $1 Bxd6 25. Qd2 Qc7 26. h3 h6 27. Na5 Be5 28. Kf1 g6 29. Ke2 Bf6 30. g3 ({White should play} 30. Nb3 $11) 30... Kg7 ({Better is} 30... Qe5 $15 31. h4 Qa1) 31. Nb3 $11 Qc4+ 32. Qd3 Qc6 33. e4 h5 34. f3 {[#]} (34. Nc5 $11 {keeps the balance.}) 34... h4 $1 $17 35. gxh4 Bxh4 (35... Qc7 $17 {...Qh2+ is the strong threat.} 36. Qe3 Qh2+ 37. Qf2 Qxh3) 36. Kd2 {Precision: White = 39%, Black = 44%.} (36. Qd4+ $15 e5 37. Qxe5+ Bf6 38. Qc5) 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.10"]
[White "Cosme Contreras, Trilce"]
[Black "Roca Rojas, Ana Flavia"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1829"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,82,15,0,54,30,34,27,38,38,40,27,37,33,27,19,21,0,-7,-2,0,-25,-15,-26,0,2,45,-16,120,-5,0,-20,-9,-30,268,0,287,-16,279,-18,84,-19,76,-37,60,-78,-76,-86,-88,-134,-130,-132,-96,-97,-94,-94,-90,-94,-76,-143,-131,-106,-76,-76,-51,-61,-64,-110,-97,-81,-82,-151,-144,-133,-119]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Bg5 d5 6. e3 {LiveBook: 11 Games} a6 $146 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} (6... h6 $11 7. Bxf6 Qxf6) ({Predecessor:} 6... Nbd7 7. cxd5 exd5 8. Bd3 h6 9. Bh4 c6 10. Nge2 Re8 11. O-O a6 12. Rad1 Bd6 13. Kh1 Nf8 14. h3 Bd7 15. Na4 Qe7 16. a3 Rad8 17. b4 Bc8 18. Nc5 Ne6 {1-0 (54) Gareyev,T (2592)-Taher,Y (2375) Surakarta 2018}) 7. Bh4 Be7 8. Nf3 b6 {White has an edge.} 9. cxd5 exd5 10. Be2 Bb7 11. O-O Nbd7 12. Rfd1 Ne4 13. Bg3 Nxg3 14. hxg3 Re8 15. a3 c6 16. Rac1 Bd6 17. Bd3 Nf6 18. Na4 (18. e4 $14 dxe4 19. Nxe4) 18... Qe7 (18... g6 $11 {keeps the balance.}) 19. Nh4 (19. Nxb6 $16 Ra7 20. Na4) 19... Qc7 20. Nf5 Bf8 $1 21. b4 Qd7 $2 {[%mdl 8192] [#]} (21... Re6 $11 {and Black stays safe.}) 22. Nh4 $2 (22. Nxb6 $18 Qe6 23. Nxa8 Rxa8 24. Nh4) 22... g6 $2 {[%mdl 8192]} (22... Qc7 $11) 23. Nf3 $2 (23. Nxb6 $18 Qe6 24. Nxa8 Rxa8 25. Nf3) 23... Bd6 $2 {[%mdl 8192]} (23... Qc7 $11) 24. Qe2 $2 ({White must play} 24. Nxb6 $18 Qe7 25. Nxa8 Rxa8 26. Qc3) 24... Rab8 (24... Qc7 $11 {remains equal.}) 25. Rc2 ({Wrong is} 25. Bxa6 $2 Bxa6 26. Qxa6 Ra8 $17) (25. Nxb6 $16 Qd8 26. Na4) 25... Qe7 (25... Qc7 $11) 26. Nh2 ({Inferior is} 26. Bxa6 Bxa6 27. Qxa6 Ra8 $17) (26. Nxb6 $16 {Na4 is the strong threat.} Qd8 27. Na4) 26... Kg7 (26... Bc8 $15) 27. Nc3 (27. Nxb6 $14 {stays ahead.} Bc7 28. Na4) 27... b5 $17 28. Na2 Ra8 29. Nf1 a5 30. Rb1 axb4 31. Nxb4 Rec8 32. Rc3 Ra4 33. Qb2 Nd7 {[%cal Bf6d7,Bd7b6,Bb6c4][%mdl 32]} 34. Rcc1 ({White should play} 34. Qc1) 34... Nb6 35. Nd2 Bxb4 36. axb4 Rca8 {[#] Hoping for ...Ra2.} 37. Qc3 Nc4 38. Bxc4 bxc4 39. b5 Ra3 40. Qb4 (40. Qc2 $142) 40... Qxb4 41. Rxb4 Ra1 {Precision: White = 13%, Black = 34%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.11"]
[White "Cordero, Daniela"]
[Black "Miranda Rodriguez, Tania"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2085"]
[BlackElo "2246"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,76,60,57,66,53,62,47,54,50,44,43,84,81,85,85,99,60,71,56,77,72,64,46,61,58,50,0,0,0,31,33,21,3,76,5,62,35,48,0,1,0,106,64,118,-25,-65,-352,-342,-336,-331,-29992,-29993,-29993,-29994,-29994,-29995,-29995,-29996,-29996,-29997,-29997,-29998]} 1. d4 Nf6 2. Nf3 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Bb5+ Nbd7 7. a4 O-O 8. O-O {A43: Schmid Benoni} Ne8 {[%cal Bf6e8,Be8c7,Bc7b5,Bb5d4][%mdl 32]} (8... a6 9. Bc4 Nb6 10. Be2 Bg4 11. Nd2 Bxe2 12. Qxe2 e6 13. dxe6 fxe6 14. Nf3 Qe7 15. Bg5 h6 {1-0 (48) Sargissian,G (2680)-El Taher,F (2483) Sharjah 2018}) 9. Bf4 {LiveBook: 5 Games} a6 10. Bc4 {White is slightly better.} Nb6 $146 ({Predecessor:} 10... Nc7 11. Re1 Rb8 12. Qd3 Nb6 13. b3 Bg4 14. e5 Bxf3 15. Qxf3 dxe5 16. Bxe5 Bxe5 17. Rxe5 {½-½ (40) Eljanov,P (2447)-Brodsky,M (2512) Polanica Zdroj 1999}) 11. Be2 Bg4 12. Nd2 Bxe2 13. Qxe2 Nc7 14. a5 Nd7 15. Nc4 Nb5 16. Qd2 b6 17. Nd1 Nd4 18. axb6 Nxb6 19. Na5 e5 20. dxe6 fxe6 {White must now prevent ...Rxf4!} 21. c3 {[#]} (21. Bg5 $5 {[%cal Rg5d8]} Qd7 22. c3 $11) 21... Rxf4 $1 {[%mdl 512]} 22. cxd4 (22. Qxf4 Ne2+) 22... Qf8 23. dxc5 dxc5 24. Nc3 Ra7 (24... Rc8 $11) 25. f3 ({White should play} 25. g3 $16 Rff7 26. e5) 25... Raf7 (25... Rc7 $11) 26. Qe2 c4 27. Kh1 Qc5 28. Rfd1 Bd4 {[#]} (28... Be5 $11 {keeps the balance.}) 29. b4 $1 {[%mdl 512]} Qd6 (29... Qxb4 $14 30. Nc6 Qxc3 31. Nxd4 Rd7) 30. Nxc4 (30. Qe1 $16) 30... Nxc4 $40 {[%mdl 128] Black is up to no good.} 31. Qxc4 $4 {[%mdl 8192]} (31. g3 $1 $15 Nb2 32. Qxb2 Rxf3 33. Nb5) 31... Rh4 $19 {[%csl Gd6][%cal Rh4h2]} 32. h3 {[#]} Rxf3 $1 {[%mdl 512]} 33. Qxd4 $2 {[#]} (33. Rxd4 {[#] gets mated.} Rhxh3+ $1 {[%mdl 512]} 34. gxh3 Rxh3+ 35. Kg1 Qg3+ 36. Kf1 Rh1+ 37. Ke2 Rh2+ 38. Kd1 Qg1+ 39. Qf1 Qxf1#) (33. Qc8+ $19 Kg7 34. Qb7+ (34. Rxd4 Rhxh3+ {[%mdl 64] Demolition} 35. gxh3 Rxh3+ 36. Kg2 Qg3+ {[%mdl 64] Double Attack} 37. Kf1 Rh1+ 38. Ke2 Rh2+ 39. Kf1 Qf2#) 34... Rf7 35. Qxa6 Qxa6 36. Rxa6 Bxc3 37. Rxe6) (33. gxf3 Rxh3+) 33... Rhxh3+ $1 {[%mdl 576] Demolition. Black mates.} 34. gxh3 Rxh3+ 35. Kg1 Qg3+ {[%mdl 64] Double Attack} 36. Kf1 Rh1+ 37. Ke2 Rh2+ 38. Kf1 Qg2+ {Accuracy: White = 36%, Black = 43%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.12"]
[White "Toro Castaneda, Elizabeht"]
[Black "Barria Baker, Raisa Melissa"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1932"]
[BlackElo "1941"]
[Annotator "NA RC"]
[PlyCount "48"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. Bf4 Be7 8. Qe2 Ngf6 9. O-O-O Bxe4 10. Bxe4 Nxe4 11. Qxe4 c6 12. Rhe1 Nf6 13. Qd3 O-O 14. Ng5 h6 15. Ne4 Nd5 16. Bd2 b5 17. Qg3 Qc7 18. Qxc7 Nxc7 19. Bf4 Nd5 20. Bd6 Bxd6 21. Nxd6 a5 22. c3 Ra7 23. Ne4 Rb8 24. Kc2 Kf8 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.13"]
[White "Gomez Guardo, Laura Meli"]
[Black "Ocampo, Cristina"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1842"]
[BlackElo "1771"]
[Annotator "NA RC"]
[PlyCount "87"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Qc2 Nxc3 9. Qxc3 Nd7 10. Bd3 O-O 11. e4 dxc4 12. Bxc4 c5 13. O-O cxd4 14. Nxd4 b6 15. Rfd1 Bb7 16. Qe3 Ne5 17. Bb3 Rfd8 18. h3 Qh4 19. Re1 Nd7 20. Nb5 Nc5 21. Bc2 e5 22. b4 Ne6 23. Rad1 Qe7 24. a3 a6 25. Nc3 Nd4 26. Bb1 Rac8 27. Rd3 Rd6 28. Red1 Rcd8 29. Ne2 Nxe2+ 30. Qxe2 Qc7 31. Rxd6 Rxd6 32. Rxd6 Qxd6 33. Qd3 Qxd3 34. Bxd3 Kf8 35. Kf1 Ke7 36. Ke2 a5 37. Ke3 f5 38. g3 fxe4 39. Bc4 Kf6 40. h4 axb4 41. axb4 Ba8 42. Bb3 Bc6 43. Bc4 Bb7 44. Bb3 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.14"]
[White "Moncada Correa, Sara"]
[Black "Caballero Marrugo, Maria Jose"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1792"]
[BlackElo "1338"]
[Annotator "NA RC"]
[PlyCount "85"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. Qc2 Nbd7 10. Rac1 c5 11. Rfd1 Qe7 12. e4 h6 13. d5 e5 14. Re1 Nh7 15. Nf1 Ng5 16. Nxg5 Qxg5 17. Ne3 Nf6 18. Bf3 Bc8 19. h4 Qg6 20. Nf5 Bxf5 21. exf5 Qh7 22. Re3 g5 23. fxg6 fxg6 24. Qa4 Qd7 25. Qxd7 Nxd7 26. Bg4 Rad8 27. Ra3 a5 28. Rb3 Nf6 29. Be6+ Kh8 30. Rxb6 Ne4 31. Rc2 g5 32. hxg5 Nxg5 33. Bg4 Nf3+ 34. Bxf3 Rxf3 35. Kg2 Rf7 36. Ra6 h5 37. Rxa5 Rg7 38. Rc3 Rdg8 39. Ra6 Rg6 40. a3 Kh7 41. b4 cxb4 42. axb4 Kh6 43. c5 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.15"]
[White "Zapata, Olga Maria"]
[Black "Prado, Alexandra"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1695"]
[BlackElo "1873"]
[Annotator "NA RC"]
[PlyCount "88"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Qd2 a6 8. Nge2 Rb8 9. Ng3 Bd7 10. Be2 e6 11. O-O Re8 12. Rad1 e5 13. d5 Nd4 14. Bd3 c5 15. dxc6 bxc6 16. Nge2 c5 17. Rb1 h5 18. Bg5 Qc7 19. b3 Nh7 20. Be3 h4 21. Nd5 h3 22. g3 Qd8 23. f4 Bg4 24. Bxd4 exd4 25. Rbe1 Bh6 26. Qc2 Rb7 27. e5 dxe5 28. Bxg6 fxg6 29. Qxg6+ Rg7 30. Qxh6 d3 31. Nec3 Re6 32. Qh4 Qxh4 33. gxh4 Be2+ 34. Kh1 Bxf1 35. Rxf1 exf4 36. Nxf4 Rf6 37. Ncd5 Rf8 38. Rd1 Re8 39. Nxd3 Re4 40. N3f4 Rf7 41. Rg1+ Kf8 42. Ng6+ Ke8 43. Nh8 Rf2 44. Ng6 Ree2 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.20"]
[Round "6.16"]
[White "Hoyos Garces, Rosana"]
[Black "Blanco Noguera, Yoryeth"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1586"]
[Annotator "NA RC"]
[PlyCount "104"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. e3 c5 5. Nc3 Nc6 6. dxc5 Bxc5 7. cxd5 exd5 8. Bb5 O-O 9. O-O Bb6 10. Qe2 Qe7 11. Rd1 Rd8 12. Ba4 a6 13. Bb3 Be6 14. Ng5 Bc7 15. h3 h6 16. Nf3 Rd6 17. Na4 Rad8 18. Nc5 Bb6 19. Nd3 Bc8 20. Re1 Re8 21. Nd2 Nd4 22. Qd1 Nxb3 23. Qxb3 Ba7 24. Nf4 Be6 25. Nxe6 Rxe6 26. Nf1 d4 27. Bd2 dxe3 28. Bxe3 Bb8 29. Red1 b5 30. Rac1 Qb7 31. Qd3 Be5 32. Rc2 Bb8 33. Rdc1 Nh7 34. Nd2 Rg6 35. f3 Rxe3 36. Qxe3 Ba7 37. Rc5 Bxc5 38. Rxc5 Qd7 39. Kf2 Re6 40. Qc3 Qa7 41. Kf1 Re8 42. Rc7 Qb6 43. Rc6 Qb7 44. Ne4 b4 45. Qc5 Qb5+ 46. Qxb5 axb5 47. Nd6 Ra8 48. Rc8+ Rxc8 49. Nxc8 Nf6 50. Nd6 Kf8 51. Nxb5 Nd5 52. Ke2 Ke7 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.22"]
[Round "7"]
[White "Cori T., Deysi"]
[Black "Llaudy Pupo, Lisandra"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2406"]
[BlackElo "2302"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,68,0,27,-43,-41,-39,-35,-38,-27,-31,-18,0,115,89,97,42,31,0,0,0,19,0,91,66,89,80,345,195,516,550,510,380,274,86,724,708,1781,1724,29987,29988,29993,92,29999]} 1. d4 Nf6 2. g3 e6 {[%cal Be7e6,Be6e5][%mdl 32]} 3. Bg2 c5 4. Nf3 cxd4 5. Nxd4 d5 6. c4 e5 7. Nf3 d4 8. O-O Nc6 9. e3 Bc5 10. exd4 exd4 11. Nbd2 O-O 12. Nb3 {E01: Catalan: Early deviations} Qb6 13. Bg5 Ne4 14. Bf4 Re8 {LiveBook: 10 Games} 15. Ne1 (15. a3 $11) (15. Re1 Bg4 16. h3 Bh5 17. g4 Bg6 18. Nh4 d3 19. Nxc5 Nxc5 {0-1 (46) Smirnov,P (2564)-Grischuk,A (2752) Cheliabinsk 2016}) 15... Bf5 $15 16. Nd3 {Bxe4 is the strong threat.} Bf8 17. Rc1 $146 ({Predecessor:} 17. h4 h6 18. Re1 Rad8 19. Rc1 a5 {0-1 (32) Long,P (2260)-King,D (2505) Kolkata 1992}) 17... a5 {And now ...a4 would win.} 18. a4 Rad8 19. Re1 f6 (19... Nc5 $11 {keeps the balance.} 20. Ndxc5 Bxc5 21. Rxe8+ Rxe8) 20. c5 $16 Qa6 21. Bf1 (21. Bc7 $16 Rd7 22. Bb6) 21... Qa8 $1 $14 22. g4 (22. h4 $5 {[%cal Rf2f3]} g5 23. hxg5 $14) 22... Bg6 23. h4 {[%cal Bh2h4,Bh4g5][%mdl 32]} f5 $1 24. g5 h6 (24... Qc8 $11) 25. f3 $36 {[%mdl 2112] [#] Trapped Piece. White is pushing.} hxg5 26. hxg5 Bh5 $2 {[%mdl 8192]} (26... Qc8 $16 {was worth a try.}) 27. Qc2 (27. Rc2 $142) 27... Bxf3 $2 (27... Qc8 {is more resistant.}) 28. Qc4+ $18 Kh7 29. Rc2 Kg6 {[#]} 30. Rh2 $2 (30. Nd2 $1 $18 {[%cal Rd2f3] and the rest is easy.} Nxd2 31. Bxd2 Rxe1 32. Bxe1) 30... Qc8 $2 {[%mdl 8192]} (30... Nxg5 $16 31. Bg2 Rxe1+ 32. Nxe1 Bg4) 31. Nd2 Bg4 32. Nxe4 {Intending Qg8 and mate.} fxe4 33. Qg8 Bh5 34. Bh3 $2 (34. Be2 {mates} Qc7 35. Bxh5+ Kf5 36. Bxc7 Ne5 37. Nxe5 Re7 38. Rf1+ Kxg5 39. Qh7 Rxc7 40. Qg6#) 34... Ne7 $2 {[%mdl 8192]} (34... Bd6 $16 35. Bxc8 (35. Qxe8+ Rxe8 36. Bxc8 Rxc8 $16) 35... Rxg8 36. Bxb7 (36. cxd6 Rxc8 37. Rxe4 Bf3 $11) (36. Bxd6 exd3 37. Bxb7 Rge8 $14) 36... exd3 37. cxd6 (37. Bxd6 Rde8 $11) 37... Rgf8) 35. Ne5# {Accuracy: White = 37%, Black = 23%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.22"]
[Round "7"]
[White "Castrillon Gomez, Melissa"]
[Black "Franco Valencia, Beatriz Irene"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2301"]
[BlackElo "2191"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,36,58,53,55,62,55,61,60,47,47,61,62,76,48,47,52,50,33,19,0,40,0,50,0,50]} 1. d4 d6 2. e4 Nf6 3. Nc3 c6 4. Nf3 g6 5. h3 Bg7 6. Be3 b5 7. Bd3 {B08: Pirc Defence: Classical System} Bb7 {LiveBook: 4 Games} (7... O-O 8. O-O b4 9. Ne2 a5 10. Ng3 Nbd7 11. Qd2 Bb7 12. c4 bxc3 13. bxc3 Ba6 14. Rab1 Qc7 15. Bxa6 Rxa6 16. Bh6 {½-½ (44) Harikrishna,P (2744)-Andreikin,D (2712) Huaian 2017}) 8. O-O O-O 9. e5 {White is slightly better.} dxe5 10. dxe5 Nd5 11. Nxd5 Qxd5 12. Re1 Na6 $146 ({Predecessor:} 12... Nd7 13. Be4 Qxe4 14. Qxd7 Bc8 15. Qxe7 Qxc2 16. b4 {1-0 (32) Unver,C (2060)-Sahin,O (2106) Konya 2015}) 13. Qe2 Nb4 14. Red1 {aiming for Bxg6!} Qe6 15. Bc5 Na6 16. Be3 Nb4 17. Bc5 Na6 $1 {[%cal Ra6c5]} 18. Be3 Nb4 $1 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.22"]
[Round "7"]
[White "Rodriguez Rueda, Paula Andrea"]
[Black "Roca Rojas, Ana Flavia"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2275"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,129,31,46,29,43,54,58,45,64,60,64,33,107,95,107,100,107,109,171,139,147,129,131,124,135,28,148,146,191,139,122,55,62,14,25,0,0,0,131,131,131,136,209,98,191,178,572,562,438,-37,-71,-51,0,0,-17,-72,-89,-68,52,57,60,-56,0,0,108,102,102,102,105,102,102,104,102,102,103,106,110,106,162,162,188,162,202,162,162,162,162,162,162,162,162,162,162,162,162,162,162,103,162,162,162,104,162,162,162,87,162,77,83,66,86,0,86,0,88,0]} 1. d4 c5 2. e3 e6 3. Nf3 Nf6 4. c4 Be7 5. Nc3 O-O 6. Bd3 a6 7. O-O d6 8. b3 b6 9. Bb2 {E14: Queen's Indian: Classical Variation (4 e3)} Bb7 10. d5 exd5 11. cxd5 {White is slightly better.} Nbd7 12. a4 Re8 13. e4 Nf8 (13... Ng4 $14) 14. Nd2 $16 Ng6 15. Nc4 Nd7 16. f4 Bf8 $146 (16... Qb8 $16 {was worth a try.}) ({Predecessor:} 16... Qc7 17. e5 Bf8 {1-0 (33) Prusikin,M (2460)-Pfretzschner,R (2295) Heringsdorf 2000}) 17. Qd2 Rb8 18. Qf2 Nf6 19. Qc2 Bc8 20. e5 (20. Ne3 $16) 20... Ng4 (20... dxe5 $11 21. Bxg6 hxg6) 21. h3 (21. Nxd6 Bxd6 22. exd6 Ne3 $15) 21... Nh6 22. Rae1 (22. e6 $18) 22... dxe5 23. fxe5 (23. Nxe5 $16 {aiming for Nc6.} Bb7 24. Bc4 (24. Bxg6 fxg6 25. Nc6 Bxc6 $11)) 23... b5 $1 $14 {[%cal Rb5c4]} 24. axb5 axb5 25. Nxb5 Rxb5 26. Nd6 Rb6 (26... Bxd6 $11 {remains equal.} 27. Bxb5 Rxe5) 27. Nxe8 $16 Qxe8 28. Bc4 {Strongly threatening e6.} Kh8 (28... Ba6 $16) 29. Kh1 (29. Qd2 $18) 29... Bb7 (29... Be7 $16) 30. Qd2 $18 {[%mdl 1024] White has strong compensation.} Qc8 $2 (30... Nh4 31. e6 N4f5) 31. e6 {Black must now prevent Qxh6.} f6 {[#]} 32. Qa5 $2 (32. Rxf6 $1 $18 {[%mdl 512]} gxf6 33. Bxf6+ Bg7 34. Bxg7+ Kxg7 35. e7) 32... Rd6 $1 $15 33. Rd1 Be7 (33... Ng8 $15) 34. Ba3 Rd8 $1 35. Rd2 (35. Rf2 $11) 35... Bd6 36. Bb5 {next Bxc5 is good for White.} Ne5 (36... Bc7 $15 37. Qa7 Rxd5) 37. Qb6 $1 $36 {[%mdl 2048] White has some pressure.} Ng8 38. Bd7 (38. Rfd1 $1 $14) 38... Nxd7 (38... Qb8 $1 $15) 39. Qxd6 $11 Ne5 (39... Nf8 $1 $11 {keeps the balance.} 40. Qxc5 Qxc5 41. Bxc5 Nxe6 {[%mdl 64] Pin}) 40. Qxc5 $16 Qxc5 41. Bxc5 Rxd5 42. Rxd5 Bxd5 43. e7 Nxe7 44. Bxe7 Bxb3 {[%mdl 4096] Endgame KRB-KBN} 45. Rb1 Bg8 46. Rb7 Nf7 (46... Be6 $16 47. Rb8+ Bg8) 47. Bf8 $18 h6 48. Kh2 Kh7 49. Kg3 Kg6 50. Kf4 h5 51. Ke3 Kh7 52. h4 Kg6 53. g3 Kh7 54. Re7 Kg6 55. Kd4 Kh7 {[#]} 56. Kc5 (56. Ke4 $1 $18) 56... Kg6 (56... g5 $16 57. Rb7 Kg6) 57. Kb6 Kh7 58. Ra7 ({White should try} 58. Ka7 $18) 58... Kg6 (58... g5 $16 59. hxg5 fxg5) 59. Rd7 Kh7 60. Re7 ({White should play} 60. Rc7 $18) 60... Kg6 (60... g5 $16 61. hxg5 fxg5) 61. Kc7 (61. Kc5 $18) 61... Kh7 $16 62. Kd7 Kg6 63. Kc7 Kh7 $1 64. Kd7 Kg6 65. Kc7 {Accuracy: White = 43%, Black = 48%.} ({Better is} 65. Kc6 $16) 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.22"]
[Round "7"]
[White "Perez Rodriguez, Jennifer"]
[Black "Fernandez, Maria Florencia"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2203"]
[BlackElo "2198"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,22,18,12,0,20,26,-23,-26,-16,-22,-27,-21,-33,-41,-69,-50,-66,-30,-37,-21,-21,-35,-37,-20,-38,-39,-27,-7,-29,-6,-6,-6,-61,-31,-29,-2,-43,-29,-27,-23,-15,5,0,0,0,-2,-1,0,0,12,10,6,6,8,13,13,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Bd3 c5 4. exd5 exd5 5. Nf3 Nc6 (5... Nf6 6. O-O c4 7. Re1+ Be7 8. Be2 O-O 9. b3 cxb3 10. axb3 Nc6 11. c3 Re8 12. Nbd2 Bd6 13. Bd3 Bg4 14. Rxe8+ Qxe8 {0-1 (52) Fontaine,R (2563)-Carlsen,M (2834) chess.com INT 2018}) 6. Qe2+ {C01: French: Exchange Variation} Be7 {[#] And now ...c4 would win.} 7. dxc5 Nf6 8. c3 {White has an edge.} O-O 9. O-O Bxc5 10. Bg5 h6 11. Bh4 g5 12. Bg3 Re8 13. Qc2 Ne4 14. b4 $146 ({Predecessor:} 14. Nbd2 f5 15. Nb3 Bb6 16. Nfd4 f4 {0-1 (33) Al Tamimi,H (2214)-Neelotpal,D (2437) Caleta 2015}) 14... Nxg3 15. hxg3 Bb6 16. b5 Ne5 17. Nxe5 Rxe5 18. Nd2 Bg4 19. Nf3 Bxf3 20. gxf3 Rc8 21. Qb3 (21. Rac1 $11) 21... Qf6 22. Kg2 Kg7 (22... h5 $5 {[%cal Rh5h4]} 23. Rac1 Kg7 $15) 23. Rac1 h5 24. Rh1 Rh8 {Threatens to win with ...h4.} 25. Qb4 Qe7 {The position is equal.} (25... Re6 {is interesting.} 26. a4 Ree8 27. f4 Rc8 28. Rc2 gxf4 29. Qxf4 Qxf4 30. gxf4 Kf6) 26. Qxe7 Rxe7 27. c4 dxc4 28. Bxc4 Rd7 29. Rcd1 Rc7 30. Bb3 Re7 31. Rd5 f6 32. Bc4 h4 33. gxh4 gxh4 34. Bd3 Kf8 35. f4 Rg7+ 36. Kf3 h3 {White must now prevent ...h2.} 37. Rh2 $1 Rh4 38. Bf5 Rg2 39. Rxg2 hxg2 40. Kxg2 Rxf4 41. f3 Ra4 {Accuracy: White = 61%, Black = 71%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.22"]
[Round "7"]
[White "Cervantes Landeiro, Thalia"]
[Black "Ortiz Verdesoto, Anahi"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "2098"]
[BlackElo "2115"]
[Annotator "TA"]
[PlyCount "194"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,194,39,20,24,0,0,-1,-8,-6,-1,0,14,8,19,20,19,20,62,64,70,65,102,91,104,68,60,69,75,68,102,95,129,88,96,0,16,-4,-16,-16,0,-29,0,-11,7,-87,-82,-82,-108,-160,-88,-156,-162,-221,-221,-212,-208,-208,-218,-264,-254,-259,-259,-340,-259,-259,-208,-237,-174,-177,-92,-112,-64,-59,-19,-55,-35,-41,-8,-17,0,-109,-9,-112,-14,-120,-112,-128,-128,-135,-135,-154,-112,-123,-112,-112,-41,-112,-112,-112,-112,-174,-112,-112,-112,-112,-112,-174,-112,-112,-112,-174,-173,-173,-173,-173,-173,-173,-173,-173,-120,-120,-120,-173,-173,-173,-120,-120,-120,-120,-120,-120,-120,-120,0,-120,-120,-120,-120,-120,-120,-120,-120,-120,-41,-120,-120,-120,-8,-120,-120,-120,0,-120,-120,-120,-120,-120,-120,-120,0,-120,-8,-8,-8,-120,-120,-12797,-12792,-9592,-6752,-29977,-29978,-29982,-29983,-29983,-29984,-29988,-29988,-29988,-29989,-29989,-29989]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 d6 7. e3 Nbd7 8. Be2 {LiveBook: 5 Games} b6 {E21: Nimzo-Indian: 4 Nf3} (8... e5 9. Nd2 Bxc3 10. bxc3 Qe8 11. O-O b6 12. Qc2 Bb7 13. Rae1 Qe7 14. f4 Rae8 15. Bd3 e4 16. Be2 {0-1 (35) Real de Azua,E (2448)-Mareco,S (2599) Buenos Aires 2015}) 9. O-O Bxc3 10. bxc3 g5 {The position is equal.} 11. Bg3 Ne4 12. Bd3 $146 ({Predecessor:} 12. Rc1 f5 13. Nd2 Nxd2 14. Qxd2 Bb7 15. f3 e5 16. Bd3 {0-1 (67) Zilberman,Y (2481)-Axelrod,A (2386) Haifa 2010}) 12... Ndf6 13. Nd2 Nxd2 14. Qxd2 Nh5 15. Qe2 $36 {[%mdl 2048] Black is under pressure.} Ng7 16. e4 f5 17. f4 Bd7 18. Rad1 Be8 19. Qc2 Bg6 20. c5 Qd7 21. exf5 exf5 22. a4 Qe7 23. Rfe1 Qf6 24. c6 (24. Qf2 $16) 24... Bf7 25. Qb2 Nh5 26. Rf1 g4 27. Qb5 Nxg3 (27... a6 {seems wilder.} 28. Qxf5 Qxf5 29. Bxf5 Bb3 30. Bxg4 Bxd1 31. Bxd1 Nxg3 32. hxg3 b5) 28. hxg3 a6 29. Qb4 (29. Qxf5 $11 Qxf5 30. Bxf5) 29... h5 $17 30. Qb1 Bd5 31. Bc2 (31. Kf2 $142) 31... Bxc6 (31... Kg7 $142 {Strongly threatening ...h4.} 32. Bb3 Be4) 32. Bb3+ (32. Qa2+ $142 Kg7 33. Qc4) 32... Kg7 33. Rfe1 (33. d5 $142 Bd7 34. Rfe1) 33... Be4 $19 34. Bc2 d5 35. Bxe4 dxe4 36. Qc1 h4 37. Qe3 Rh8 38. Kf2 hxg3+ 39. Qxg3 Qc6 40. d5 Qc5+ 41. Qe3 Qxe3+ (41... Qd6 $19 42. Qd4+ Kg6) 42. Rxe3 {[%mdl 4096] Endgame KRR-KRR} Rh6 43. c4 Kf7 44. Rc3 Rd8 {[#]} 45. a5 $1 {[%mdl 512]} Ke7 (45... bxa5 46. Ra1) 46. Ra1 Rb8 47. Rb3 (47. Ke3 $11) 47... Kd7 (47... Kd6 $1 $17 48. Rb2 Kc5) 48. Ra2 (48. Ke3 $11) 48... Rd6 (48... b5 $17 {...Kd6 is the strong threat.} 49. Ke3 b4) 49. c5 (49. Ra1 $11 {remains equal.}) 49... Rxd5 $17 {And now ...b5 would win.} 50. cxb6 cxb6 51. axb6 Rb5 52. Rba3 R5xb6 53. Rxa6 Rxa6 54. Rxa6 {KR-KR} Rb5 (54... Rb3 $17 55. g3 Rf3+ 56. Ke2 Rc3) 55. Rf6 (55. Kg3 $1 $15) 55... Ke7 56. Ra6 Rd5 57. Ke2 (57. g3 $17 {might work better.}) 57... Rd6 (57... Rd3 $1 $19 58. Ra7+ Ke6 59. Ra6+ Rd6) 58. Ra5 Ke6 59. Re5+ Kf6 60. Ra5 (60. g3 $17 {is a better defense.}) 60... Rb6 (60... Rd3 $1 $19 61. Ra6+ Ke7) 61. Kf2 Rb2+ 62. Kf1 (62. Kg3 $17) 62... g3 63. Ra6+ Kf7 64. Ra3 Rf2+ 65. Kg1 Rxf4 {aiming for ...Rg4.} 66. Rxg3 Kf6 (66... Rg4 $19 67. Ra3 Kf6 68. Ra6+ Kg5) 67. Ra3 Kg5 68. Rb3 (68. g3 $17 Rg4 69. Kf2) 68... Rh4 $19 69. Kf2 Rh7 ({Better is} 69... Rh8 $19 70. Rb7 Kf4 71. g3+ Kg5) 70. Rb8 $17 Rd7 71. Rg8+ Kf4 72. g3+ Ke5 73. Re8+ Kf6 {[#]} ({Black should play} 73... Kd4 $17 {Threatens to win with ...Rd5.} 74. Rg8 Rd5) 74. Rf8+ (74. g4 $1 $11 {[%mdl 512]}) 74... Rf7 75. Ra8 Rc7 76. Rf8+ Kg6 77. Rg8+ Kf7 78. Ra8 Rc3 (78... Rc2+ $17 79. Ke3 Rc3+ 80. Kf2 Rc2+ 81. Ke3 Rc3+ 82. Kf2 Rf3+ 83. Kg2 Ke6) 79. Ra6 (79. Ra4 $15) 79... Rf3+ 80. Kg2 Ke7 {[#]} (80... Rb3 $17 81. Ra4 Rb6) 81. Rb6 (81. g4 $1 $11 {[%mdl 512] keeps the balance.}) 81... Rd3 82. Kf2 Rd6 (82... Ra3 $1 $17 83. Kg2 Re3) 83. Rb8 (83. Rb5 $11 {was the only way to keep the balance.}) 83... Rd2+ 84. Ke3 Rd3+ 85. Kf2 Ke6 86. Re8+ Kd5 ({Black should try} 86... Kf7 $1 $17 {[%cal Rf7e8]} 87. Rc8 Rf3+ 88. Kg2 Ke6 89. Re8+ Kd5) 87. Rf8 (87. Rd8+ $1 $11 Kc5 88. Rc8+ Kd5 89. Rd8+ Kc4 90. Rg8) 87... Ke5 (87... Rf3+ $1 $17 88. Kg2 Kd4) 88. Re8+ $11 Kd4 {Hoping for ...Rd2+.} 89. Rf8 {[#]} (89. Rd8+ $11 Kc3 90. Ra8) 89... Rf3+ $1 $17 90. Kg2 $2 {[%mdl 8192] [#]} (90. Ke2 $17) 90... Ke3 $1 $19 91. Ra8 Rf2+ 92. Kg1 Kf3 {Black mates.} 93. Ra3+ e3 {[%cal Be4e3,Be3e2][%mdl 32]} 94. Rb3 Rd2 95. Rb5 Rd1+ 96. Kh2 e2 97. Rxf5+ Ke4 {Accuracy: White = 43%, Black = 41%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.22"]
[Round "7"]
[White "Besso, Guadalupe"]
[Black "Rivera, Ingris"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2069"]
[BlackElo "2188"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,91,42,67,48,37,27,14,24,25,33,38,31,47,51,82,83,70,62,70,39,134,94,82,31,160,162,153,160,248,151,159,116,104,103,122,116,102,100,96,105,105,105,94,100,106,37,37,45,45,25,45,14,45,45,45,45,45,45,45,45,45,45,45,45,52,52,59,59,59,42,42,42,42,36]} 1. d4 d6 2. Nf3 Nd7 3. c4 e5 4. Nc3 g6 5. e4 Bg7 6. Be2 Ngf6 7. O-O O-O 8. Be3 h6 9. dxe5 dxe5 10. h3 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} (10. Qc1 Ng4 11. Bd2 h5 12. h3 Ngf6 13. Rd1 Nh7 14. b4 c6 15. c5 Qe7 16. Be3 Rd8 17. Qd2 Bf6 18. Bc4 {1-0 (42) Kosteniuk,A (2559)-Paehtz,E (2513) Batumi 2018}) 10... c6 {LiveBook: 11 Games} 11. b4 Nh5 12. Qd2 $146 ({Predecessor:} 12. g3 Re8 13. Kg2 Qc7 14. Rc1 Nf8 15. Nd2 Nf6 16. Nb3 Rd8 17. Qc2 Ne6 {0-1 (53) Basencyan,M (2170)-Zeynalov,R (2093) Poti 2014}) 12... Nf4 13. Rfd1 Qe7 14. Rab1 Re8 15. Bf1 Kh7 16. c5 Nf8 17. Qd6 N4e6 18. Qxe7 Rxe7 19. b5 f5 (19... Bd7 $14) 20. bxc6 {[#] exf5 is the strong threat.} f4 21. cxb7 (21. Bc1 $16) 21... Bxb7 ({Black should play} 21... Rxb7 $14 22. Bc1 Rxb1 23. Nxb1 Nxc5) 22. Bc1 $16 {[%cal Be3c1,Bc1a3,Ba3c5][%mdl 32]} Nxc5 23. Ba3 Nfe6 (23... Rc7 $16 24. Bxc5 Rxc5) 24. Rb5 Rc8 25. Nd5 Rd7 26. Bxc5 {[#] Hoping for Nf6+!} Bxd5 27. Ba3 Bc6 28. Rxd7 Bxd7 29. Rb7 Rc7 30. Rxc7 Nxc7 31. Bd6 Nb5 32. Bxb5 ({Much worse is} 32. Nxe5 $6 Nxd6 33. Nxd7 Nxe4 $11) (32. Bxe5 $16 g5 33. Bc4) 32... Bxb5 $14 33. Nxe5 $16 {[%mdl 4096] Endgame KBB-KBN} g5 34. h4 a6 35. a3 Bxe5 36. Bxe5 $11 {KB-KB. White is slightly better.} Bd3 37. hxg5 hxg5 38. f3 Kg6 39. Kf2 Bb5 40. Bc7 Bc4 41. g3 fxg3+ 42. Kxg3 Bb5 43. Bd8 Bc6 44. Kf2 g4 45. fxg4 Bxe4 46. g5 {Accuracy: White = 56%, Black = 49%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.22"]
[Round "7"]
[White "Gonzalez Ochoa, Yoana"]
[Black "Marrero Lopez, Yaniet"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2058"]
[BlackElo "2253"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,56,23,22,0,0,0,0,-11,0,0,0,0,0,0,0,0,0,0,1,-9,-12,-28,-23,-15,0,-80,-72,-310,-314,-435,-432,-463,-457,-676,-452,-1558,-1565]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 O-O 9. d4 Bb6 10. Bg5 h6 11. Bh4 d6 {LiveBook: 35 Games} 12. dxe5 {C78: Ruy Lopez: Archangelsk and Möller Defences} (12. a4 g5 13. Nxg5 hxg5 14. Bxg5 exd4 15. cxd4 Nxd4 16. Bd5 Ne6 17. Bh4 c6 18. Qf3 Bd4 19. e5 Nxd5 20. Qg4+ {1-0 (29) Sutovsky,E (2620)-Bosiocic,M (2607) Austria 2016}) 12... Nxe5 13. Nxe5 dxe5 14. Nd2 {The position is equal.} Qe7 15. Qf3 $146 ({Predecessor:} 15. Qe2 Rad8 16. Nf3 Rfe8 17. h3 g5 18. Bg3 Qc5 19. Nh2 Qc6 {½-½ (33) Cacko,J (2161)-Uberos Fernandez,A (2217) ICCF email 2010}) 15... Rad8 16. Nf1 g5 17. Bg3 Rd6 18. Qf5 Nd7 19. Rad1 {aiming for Rxd6.} Kg7 20. Rxd6 cxd6 21. Ne3 Bxe3 22. Rxe3 Nf6 23. Qf3 (23. h3 $1 $11 {remains equal.}) 23... Nxe4 $17 24. Qh5 $2 (24. Rxe4 $17 f5 {[%mdl 64] Pin} 25. Bxe5+ dxe5 26. Rxe5 Qxe5 27. Qxb7+ Kg6 28. h3) 24... f5 $19 {[%cal Bf7f5,Bf5f4][%mdl 32]} 25. Bc2 Nf6 {Black is clearly winning.} 26. Qh3 f4 {[%mdl 64] [#] Double Attack, Trapped Piece} 27. Qf5 (27. Bxf4 $142 gxf4 28. Re1) 27... Qf7 (27... fxg3 $2 28. Qg6+ Kh8 29. Qxh6+ Nh7 30. Rxg3 $19) 28. Rd3 (28. Bxf4 $142 gxf4 29. Re1) 28... Bc8 {[%mdl 64] Trapped Piece. Accuracy: White = 15%, Black = 69%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.23"]
[Round "8"]
[White "Llaudy Pupo, Lisandra"]
[Black "Arribas Robaina, Maritza"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2302"]
[BlackElo "2257"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,44,8,-6,29,19,14,12,40,-2,10,-27,11,11,0,15,15,26,21,21,36,-14,-5,0,-4,-17,-26]} 1. e4 e5 2. Nf3 Nc6 {[%cal Bb8c6,Bc6e7,Be7g6][%mdl 32]} 3. Bb5 Nf6 4. d3 Bc5 5. c3 d6 6. O-O O-O 7. h3 Ne7 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} 8. Re1 (8. d4 Bb6 9. Re1 Ng6 10. Nbd2 exd4 11. cxd4 d5 12. e5 Nh5 13. a4 c6 14. Bf1 f6 15. b4 fxe5 {½-½ (43) Fressinet,L (2649)-Kramnik,V (2779) Batumi 2018}) 8... Bb6 9. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} c6 10. Ba4 Ng6 11. Nf1 {LiveBook: 15 Games} Re8 12. Ng3 h6 13. d4 Bc7 {[#]} 14. c4 $146 ({Predecessor:} 14. Bc2 Be6 15. Be3 Qe7 16. Qd3 Rad8 17. Qf1 Qf8 18. b4 a6 19. a4 Kh8 20. c4 exd4 21. Nxd4 Ne5 22. Nxe6 fxe6 {1-0 (39) Shabalov,A (2567)-Schlosser,P (2501) Dresden 2018}) 14... Bd7 15. d5 cxd5 16. Bxd7 Qxd7 17. cxd5 Ba5 18. Bd2 Bxd2 19. Nxd2 Rac8 20. Qb3 Rc5 {The position is equal.} 21. Rac1 Rec8 22. Rxc5 Rxc5 {Accuracy: White = 49%, Black = 38%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.23"]
[Round "8"]
[White "Marrero Lopez, Yaniet"]
[Black "Perez Rodriguez, Jennifer"]
[Result "0-1"]
[ECO "C91"]
[WhiteElo "2253"]
[BlackElo "2203"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,140,0,-6,11,17,0,9,27,16,58,0,0,-14,31,13,9,-57,-52,-48,-58,-66,-59,-81,-70,-118,-103,-135,-111,-123,-121,-172,-172,-175,-163,-166,-148,-167,-140,-146,-140,-148,-130,-166,-118,-138,-115,-136,-82,-111,-33,-129,-125,-148,-134,-131,-115,-156,-124,-297,-281,-638,-627,-623,-598,-585,-588,-841,-836,-775,-534,-1034,-1042,-1046,-985,-1455,-1328,-5285,-5955,-29971,-29973,-29973,-29973,-29967,-29968,-29969,-29970,-29970,-29971,-29970,-29972,-29972,-29973,-29971,-1066,-4690,-29975,-29975,-29976,-29977,-29978,-29979,-29980,-29980,-29980,-29981,-29982,-29981,-29981,-29983,-29984,-29984,-12022]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} Bg4 10. d5 Na5 11. Bc2 Qc8 12. h3 Bd7 13. Nbd2 c6 14. dxc6 Qxc6 15. Nf1 Rfc8 {C91: Closed Ruy Lopez: 7...d6 8 c3 0-0 9 d4} 16. Ng3 {LiveBook: 5 Games} Bd8 17. Re3 $146 {[%cal Be1e3,Be3d3,Bd3d2][%mdl 32]} ({Predecessor:} 17. Nf5 Bxf5 18. exf5 Nc4 19. a4 h6 20. Qe2 Bc7 21. b3 Nb6 22. a5 Nbd5 23. c4 {0-1 (45) Espinosa Veloz,E (2495)-Karjakin,S (2762) Baku 2015}) 17... g6 {The position is equal.} 18. Rd3 Nb7 19. Bh6 Be7 20. Qe1 (20. Nf5 $14 Bxf5 21. exf5) 20... Nc5 $11 21. Rd2 Ne6 22. Rad1 a5 23. a3 (23. Bb3 $11) 23... b4 $36 {[%mdl 2048] White is under pressure.} 24. axb4 axb4 25. cxb4 Qb6 26. Bb3 Qxb4 27. Bd5 Nxd5 28. exd5 Ng7 29. Ne4 Rc4 30. Nc3 (30. Re2 $17) 30... Nf5 $19 31. Bg5 f6 32. Be3 Kg7 33. Ra1 Rcc8 34. Rxa8 Rxa8 35. Kh2 Bd8 36. g4 Ne7 37. Ng1 Ra5 38. Qd1 Be8 (38... f5 $142 {Hoping for ...f4.} 39. f3 Bb6) 39. Nge2 Bf7 ({Black should play} 39... f5 $17 40. f3 h6) 40. Nc1 (40. Ng3 $15) 40... Qc4 {[%cal Re7d5]} 41. Nb3 Ra8 42. Nc1 Ba5 43. N1a2 Rb8 44. f3 $2 {[#]} (44. Qf3 $17) 44... Nxd5 $1 {[%mdl 512]} 45. Nxd5 $2 (45. Rxd5 Bxd5 46. b4) 45... Bxd2 (45... Qxa2 46. b4 $11) 46. Nb6 Qxa2 ({Not} 46... Bxe3 47. Nxc4 Bxc4 48. Qc2 $17) 47. Qxd2 d5 {[%cal Bd6d5,Bd5d4][%mdl 32]} 48. Bc5 g5 49. Kg3 Be6 50. h4 gxh4+ 51. Kxh4 Qb3 52. Qf2 d4 53. f4 Rxb6 54. fxe5 {[#]} Bxg4 $1 55. Kxg4 {[%mdl 4096] Endgame [#] KQR-KQB} f5+ $1 56. Kf4 (56. Qxf5 Rg6+) 56... Rg6 57. Bxd4 Qd3 {[%csl Gf5][%cal Rg6g4]} 58. e6+ Kg8 {[%csl Gf5][%cal Rd3e4]} 59. Ke5 Qe4+ 60. Kd6 Qxe6+ 61. Kc5 Qc6+ 62. Kb4 Rg4 63. Qe3 {Black mates.} Qe4 64. Qxe4 Rxe4 {KR-KB} 65. Kc3 Kf7 66. b4 Ke6 67. Bf2 Kd5 68. b5 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 69. Kd3 h4 70. b6 Ke5 {Accuracy: White = 36%, Black = 55%.} (70... h3 $142 71. Bg3 Rb4 72. Ke3 {[#]} f4+ $1 {[%mdl 512]} 73. Bxf4 Rxf4 $1 {[%mdl 576] Remove Defender, Promotion} 74. Kxf4 h2 75. Kg3 h1=Q 76. b7 Qb1 77. Kf4 Qxb7 78. Kf3 Ke5+ 79. Kf2 Qe4 80. Kg3 Qe2 81. Kh4 Kf4 82. Kh3 Qb2 83. Kh4 Qh8#) 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.23"]
[Round "8"]
[White "Fernandez, Maria Florencia"]
[Black "Besso, Guadalupe"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "2198"]
[BlackElo "2069"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,127,27,22,27,21,23,29,29,36,40,36,31,37,28,29,0,32,16,31,12,37,0,0,0,0,0,21,1,65,49,49,49,49,49,107,76,68,12,39,0,127,0,0,0,0,-10,-3,-120,-10,-60,-45,-52,-56,-58,-5,-4,-4,-5,0,0,0,-8,-8,-8,0,0,13,13,13,13,63,63,63,63,63,63,63,63,63,63,63,63,496,482,482,475,475,475,467,206,29965,4602,29970,29971,29971,29973,29976,29976,29980,29977]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 8. Be2 b5 9. Qb3 c5 10. dxc5 Bb7 11. e5 {D97: Grünfeld: Russian System: 7 e4, replies other than 7...Bg4} Nfd7 12. Be3 Nxe5 13. Nxe5 Bxe5 14. Rd1 Qc7 15. Nd5 Bxd5 $1 {LiveBook: 8 Games} 16. Qxd5 Nc6 17. Bf3 Rac8 18. Qxc6 $1 Qxc6 19. Bxc6 Rxc6 {[#]} 20. Rd2 $146 f5 21. f4 Bb8 22. O-O Re6 23. Kf2 Re4 24. Kf3 e5 25. g3 exf4 26. gxf4 Rfe8 27. Rd3 Rc4 28. b3 Rc2 (28... Rce4 $11) 29. Rf2 $14 Rxf2+ 30. Bxf2 {[%mdl 4096] Endgame aiming for Rd7. KRB-KRB} Kf7 $1 31. Bh4 Rc8 (31... Ke6 $14) 32. b4 Ke6 33. Bg5 (33. Ra3 $14) 33... Bc7 34. Ke3 a5 {[#]} (34... h6 $1 $11 {keeps the balance.} 35. Bxh6 (35. Bh4 a5 $11) 35... Rh8) 35. a3 (35. Kd4 $1 $16) 35... axb4 $11 36. axb4 h6 37. Bh4 Ra8 38. Be1 (38. Bg3 $11) 38... Ra1 (38... g5 $17 39. Bg3 g4) 39. Bd2 g5 $1 40. Kf2 Ra2 41. Kf3 Rc2 ({Black should try} 41... g4+ $15 42. Kg3 Ra1) 42. fxg5 hxg5 43. Bxg5 Rxh2 44. Re3+ Kd5 45. Re7 Rh3+ 46. Ke2 Kc6 47. Rf7 f4 48. Bxf4 Bxf4 49. Rxf4 {KR-KR} Rb3 50. Rd4 Kc7 51. Kd2 Rh3 52. Kc2 Rh2+ 53. Kc3 Rh3+ 54. Rd3 Rh4 55. Rg3 {Rg7+ is the strong threat.} Rf4 $2 {[%mdl 8192]} (55... Rh6 $14) 56. Rg7+ $18 Kc8 57. Re7 Rh4 58. Re6 Rh3+ 59. Kd4 {Hoping for Rb6.} Rb3 $2 (59... Kc7 $18 60. Rb6 Rh4+ 61. Kc3 Rh3+ 62. Kb2 Rh2+ 63. Kb3 Rh3+ 64. Kc2 Rh2+ 65. Kb1 Rh1+ 66. Kb2 Rh2+ 67. Kb3 Rh3+ 68. Kc2 Rh2+ 69. Kd3 Rh3+ 70. Ke2 Rh7 71. Rxb5 Kc6) 60. Kd5 (60. c6 $142 Rxb4+ 61. Kc5 Rc4+ 62. Kb6 Kd8 63. Kb7 b4 {[#]} 64. Re4 $1 {[%mdl 576] Promotion} Rxe4 65. c7+ Ke7 66. c8=Q) 60... Rxb4 61. Kc6 {[%cal Re6e8] White mates.} Kd8 62. Kb7 Rh4 63. c6 Rh8 64. Re4 {Accuracy: White = 58%, Black = 36%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.23"]
[Round "8"]
[White "Aliaga Fernandez, Ingrid Y"]
[Black "Gonzalez Ochoa, Yoana"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2194"]
[BlackElo "2058"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,89,1,0,-7,-9,-51,-54,-51,-51,-43,-13,-14,-13,-7,12,9,66,53,31,45,20,17,22,16,22,0,0,-2,-9,-17,-15,-12,-39,-25,0,0,0,0,0,0,0,-68,-57,-37,-13,-4,-6,-28,-21,-77,-81,-76,0,0,369,-52,0,-16,59,0,108,0,162,169,29991,5310,4133,4133,29983,29975,29991,29992,29992,29993]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. b3 a5 {[%cal Ba7a5,Ba5b4][%mdl 32]} 10. Ba3 {C45: Scotch Game} Qe6 11. Qe3 $146 ({Predecessor:} 11. g3 a4 12. Bg2 axb3 13. axb3 Bxa3 14. Rxa3 Rxa3 15. Nxa3 O-O 16. O-O Re8 17. f4 f6 {1-0 (34) Nepomniachtchi,I (2714)-Bacrot,E (2718) Beijing 2014}) 11... Bb4+ 12. Bxb4 {Black is slightly better.} axb4 13. Bd3 O-O 14. O-O d5 {[%cal Rd5c4]} 15. Nd2 {[%cal Bb1d2,Bd2f3,Bf3d4][%mdl 32]} h6 16. f4 Re8 (16... Qe7 $11) 17. c5 $14 Nd7 18. Nf3 Qe7 19. Rfc1 Ra5 $1 {[%cal Rd7c5]} 20. Nd4 Bb7 21. Qg3 {aiming for Nf5.} Kh8 22. Bf5 Nxc5 23. Qh3 Ne6 24. Nxe6 $1 fxe6 25. Bc2 Rg8 26. Qh5 Qe8 $1 {[%cal Re8h5]} 27. Bg6 Qf8 $36 {[%mdl 2048] Black has the initiative.} 28. Rf1 Bc8 (28... Ba6 $5 29. Rf2 $8 Qc5 $11) 29. g4 (29. Rf2 $11) 29... Bd7 $1 $15 30. f5 {Threatens to win with f6.} exf5 31. gxf5 Be8 32. Rae1 Rxa2 {Black wants to play ...Bxg6.} 33. Kh1 (33. Bxe8 $11 Qxe8 34. Qh3) 33... Bxg6 $17 34. Qxg6 Qe8 (34... d4 $17 {Hoping for ...Rb2.} 35. Qxc6 d3) 35. Qg4 $11 {Qh3 is the strong threat.} Qe7 $2 {[%mdl 8192] [#]} (35... d4 $11 {and Black is okay.}) 36. Re3 $2 (36. Qh3 $1 $18 Qg5 37. f6) 36... c5 (36... Qd7 $15) 37. Qf4 Ra6 (37... c4 $11 38. f6 Qe6) 38. f6 $14 Qf7 (38... Qe6 $1 $11 {remains equal.}) 39. Rh3 (39. Rg3 $16 {And now fxg7+ would win.} g5 40. Qf5) 39... Kh7 $2 {[#]} (39... d4 $11) 40. Rg1 $1 $18 {[%cal Rg1g7]} Re6 $2 ({Worse is} 40... Kh8 41. Rhg3 $11) (40... g5 $18 41. Qf5+ Qg6 42. Qd7+ {[%mdl 64] Double Attack} Kh8 43. Qxd5 Ra2) 41. Rxg7+ (41. Qf5+ $142 Kh8 42. Rg6 Qxf6 43. exf6 Re1+ 44. Rg1 Rxg1+ 45. Kxg1 gxf6+ 46. Kf2) 41... Qxg7 42. fxg7 Rxg7 43. Qf5+ {White mates.} Reg6 44. Rg3 c4 45. e6 {Accuracy: White = 45%, Black = 41%.} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.23"]
[Round "8"]
[White "Rivera, Ingris"]
[Black "Miranda Rodriguez, Tania"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2188"]
[BlackElo "2246"]
[Annotator "ChessBase"]
[PlyCount "79"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} c5 {[%emt 0:00:03]} 3. d5 {[%emt 0:00:00]} b5 {[%emt 0:00:07]} 4. cxb5 {[%emt 0:00:07]} a6 {[%emt 0:00:04]} 5. bxa6 {[%emt 0:00:21]} g6 {[%emt 0:00:20]} 6. Nc3 {[%emt 0:00:29]} Bg7 {[%emt 0:00:13]} 7. a7 {[%emt 0:00:07]} Rxa7 {[%emt 0:00:43]} 8. e4 {[%emt 0:00:08]} O-O {[%emt 0:01:30]} 9. f4 {[%emt 0:02:11]} e6 {[%emt 0:04:39]} 10. dxe6 {[%emt 0:04:07]} fxe6 {[%emt 0:03:10]} 11. Nf3 {[%emt 0:07:45]} Bb7 {[%emt 0:09:36]} 12. Qc2 {[%emt 0:09:47]} Nc6 {[%emt 0:30:39]} 13. Be3 {[%emt 0:20:28]} Nb4 {[%emt 0:16:36]} 14. Qb1 {[%emt 0:03:40]} d6 {[%emt 0:01:28]} 15. Be2 {[%emt 0:06:15]} Qa8 {[%emt 0:00:59]} 16. Nd2 {[%emt 0:04:26]} Nd7 {[%emt 0:02:58]} 17. Nb5 {[%emt 0:03:19]} d5 {[%emt 0:09:45]} 18. Nxa7 {[%emt 0:06:57]} Qxa7 {[%emt 0:00:05]} 19. a3 {[%emt 0:00:38]} Nc6 {[%emt 0:01:55]} 20. Bg4 {[%emt 0:04:14]} Nd8 {[%emt 0:03:19]} 21. O-O {[%emt 0:07:48]} d4 {[%emt 0:01:45]} 22. Bf2 {[%emt 0:01:04]} Rxf4 {[%emt 0:00:15]} 23. Be2 {[%emt 0:04:07]} Qa8 {[%emt 0:02:43]} 24. Bf3 {[%emt 0:02:42]} Ba6 {[%emt 0:01:16]} 25. Bg3 {[%emt 0:00:48]} Rf7 {[%emt 0:01:19]} 26. Re1 {[%emt 0:02:38]} Bh6 {[%emt 0:00:50]} 27. Nf1 {[%emt 0:00:39]} c4 {[%emt 0:02:03]} 28. b4 {[%emt 0:04:48]} Bb5 {[%emt 0:02:51]} 29. a4 {[%emt 0:01:49]} Bxa4 {[%emt 0:00:45]} 30. Bd1 {[%emt 0:01:40]} Nb6 {[%emt 0:00:10]} 31. Bxa4 {[%emt 0:00:27]} Nxa4 {[%emt 0:00:05]} 32. Qa2 {[%emt 0:00:22]} Ra7 {[%emt 0:01:35]} 33. Qxc4 {[%emt 0:01:16]} Bg7 {[%emt 0:01:56]} 34. e5 {[%emt 0:00:25]} Qb8 {[%emt 0:00:44]} 35. Qxd4 {[%emt 0:00:39]} Nc6 {[%emt 0:00:26]} 36. Qc4 {[%emt 0:00:47]} Nxb4 {[%emt 0:00:30]} 37. Qxe6+ {[%emt 0:00:36]} Kh8 {[%emt 0:00:17]} 38. Rec1 {[%emt 0:00:27]} Nb6 {[%emt 0:00:32]} 39. Rxa7 {[%emt 0:00:23]} Qxa7 {[%emt 0:00:04]} 40. Qe8+ {[%emt 0:00:00]} 1-0

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.23"]
[Round "8"]
[White "Ortiz Verdesoto, Anahi"]
[Black "Cori T., Deysi"]
[Result "0-1"]
[ECO "E00"]
[WhiteElo "2115"]
[BlackElo "2406"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,86,-38,-37,-37,-37,-46,-30,-41,-35,-43,-30,-46,-26,-39,-35,-41,-35,-44,-20,-18,-41,-39,-30,-30,-32,-20,-27,-33,-34,-34,-12,-7,0,-37,-36,-43,-18,-17,-14,-18,-12,-41,-46,-46,-35,-34,-13,-15,-19,-21,-16,-13,-22,-39,-9,-12,-7,-27,-14,-34,-14,-146,-163,-333,-287,-283,-235,-559,-540,-741,-742,-543,-659,-1308,-1224,-29967,-6303,-29981,-29982]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Qc2 (4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Rb1 Be7 8. Nf3 O-O 9. h4 cxd4 10. cxd4 Nc6 11. Bb5 a6 12. Bxc6 bxc6 13. h5 h6 14. Ne5 Bd6 15. O-O {½-½ (30) Yu,Y (2765)-Radjabov,T (2751) Batumi 2018}) 4... c5 5. cxd5 cxd4 6. Qa4+ {D35: Queen's Gambit Declined: Exchange Variation} Qd7 $146 ({Predecessor:} 6... Nbd7 7. Qxd4 Bc5 8. Qc4 exd5 9. Nxd5 Nxd5 10. Qxd5 Qa5+ 11. Kd1 Nf6 {0-1 (21) Day,T (2013)-Klundt,K (2318) Hofheim 2018}) 7. Qxd4 {next e4 is good for White.} Nc6 {[%mdl 64] [#] Pin} 8. Qd1 {Black has an edge.} exd5 9. e3 $1 Bb4 10. Nf3 O-O 11. Bd3 Qe7 {White must now prevent ...d4.} 12. O-O Bg4 13. Nb5 Rfe8 14. Nbd4 Ne4 15. h3 Bh5 16. Qb3 Bxf3 17. Nxf3 Rad8 18. Nd4 Nxd4 19. exd4 a6 20. Bf4 h6 21. Bxe4 dxe4 22. Rad1 Bd6 23. Bxd6 Rxd6 24. Rfe1 Qd7 25. Qe3 Ree6 26. Rd2 Rd5 27. Rc1 Qd6 28. Rc8+ Kh7 29. Rc5 f5 30. Rxd5 Qxd5 $11 {[%mdl 4096] Endgame KQR-KQR} 31. Qf4 Rg6 32. b3 Rd6 33. Qe3 b5 34. f3 Re6 35. f4 (35. Re2 $11) 35... Rc6 $17 36. a3 $2 {[#]} (36. b4) 36... Rc1+ 37. Kh2 Rb1 38. Rc2 $2 (38. Qc3 {is more resistant.}) 38... Rxb3 $19 39. Rc3 Rxc3 40. Qxc3 Qc4 41. Qb2 Qd3 42. Qb4 e3 43. Kg3 Qf1 {Accuracy: White = 33%, Black = 61%.} 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.23"]
[Round "8"]
[White "Cervantes Landeiro, Thalia"]
[Black "Castrillon Gomez, Melissa"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "2098"]
[BlackElo "2301"]
[Annotator "TA"]
[PlyCount "158"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,158,29,31,-6,18,-27,-23,-21,-7,-6,-17,-68,-43,-47,-43,-71,-55,-73,-19,-43,-19,-78,-67,-75,-64,-75,-59,-71,37,36,46,45,45,43,29,37,47,44,39,45,32,35,32,15,33,36,70,13,88,13,26,21,158,158,129,0,0,-160,-147,-156,0,0,0,0,0,-116,-105,-132,-74,-64,-23,-17,-23,-23,-24,-31,-31,-17,-14,-153,-158,-292,-292,-291,-54,-59,-66,-66,-53,-62,-45,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-61,-59,-57,-68,-68,-68,-68,-69,-69,-69,-69,-69,-69,-69,-69,-69,-69,-69,-68,-68,-68,-68,-68,-68,-68,-68,-66,-66,0,-68,-68,-68,-66,-66,-66,-66,-66,-66,-66,-66,0,-66,-66]} 1. d4 d6 2. c4 e5 3. e3 Nc6 4. Nc3 g6 5. d5 (5. Nf3 Bg7 6. Be2 Nge7 7. d5 Nb8 8. h4 h6 9. h5 g5 10. Nd2 f5 11. e4 O-O 12. g4 fxg4 13. Bxg4 Bxg4 14. Qxg4 Rf4 {1-0 (60) Reinderman,D (2573)-L'Ami,E (2610) Dieren 2017}) 5... Nce7 6. Nf3 {A25: English Opening vs King's Indian with ...Nc6 but without early d3} Bg7 7. Be2 f5 {LiveBook: 4 Games} 8. Ng5 $146 {White is slightly better.} ({Predecessor:} 8. e4 Nf6 9. exf5 Nxf5 10. Ng5 O-O 11. O-O Qe7 12. Bd3 Bd7 13. f4 h6 14. fxe5 hxg5 15. e6 Nxd5 16. cxd5 Bd4+ 17. Rf2 Ng3 18. hxg3 Rxf2 {0-1 (18) Durakovic,A (2331)-Eisenbeiser,A (2366) Austria 2015}) 8... h6 9. Ne6 Bxe6 $1 10. dxe6 Qc8 11. c5 dxc5 12. Bc4 (12. e4 $11) 12... Nf6 (12... e4 {feels hotter.} 13. O-O b6 14. a4 c6 15. f3 Bxc3 16. bxc3 Nf6) 13. O-O O-O 14. a4 Rd8 15. Qc2 c6 ({Better is} 15... e4 $17) 16. f3 $11 Ne8 17. Ba2 (17. e4 $11) 17... Nc7 $17 18. e4 f4 (18... Nxe6 19. Qb3 $11) 19. Rd1 $1 {[%cal Rd1d7]} Rxd1+ 20. Nxd1 Qd8 (20... Nxe6 $6 21. Qc4 $11) (20... b6 $17) 21. Nf2 $14 Qd6 22. Bd2 Kh7 23. Rd1 Nxe6 {[#]} 24. Bb4 $1 {[%mdl 512]} Nd4 (24... cxb4 25. Rxd6) 25. Qxc5 Qxc5 26. Bxc5 Ng8 27. Nd3 $36 {[%mdl 3072] White has compensation. White has the initiative.} g5 28. a5 Bf6 29. Kf1 h5 30. Rd2 (30. a6 $14) 30... Nh6 (30... b6 $11 31. Bd6 Re8) 31. b4 ({White should play} 31. Bxd4 $16 exd4 32. h4) 31... Nb5 $11 32. Bc4 Nc3 (32... Kg6 $11 {keeps the balance.}) 33. Nb2 $1 $16 b6 34. axb6 ({White should try} 34. Rd7+ $16 Kg6 35. Bd6 (35. axb6 axb6 36. Bxb6 Ra1+ 37. Kf2 Rh1 $11)) 34... axb6 $11 35. Bxb6 $2 (35. Bf2 $11) 35... Ra1+ $17 36. Kf2 {[#]} Rb1 $2 (36... Ng4+ $1 $17 {[%mdl 512]} 37. fxg4 Nxe4+ {[%mdl 64] Double Attack} 38. Ke2 Nxd2 39. Kxd2 e4) 37. Rd7+ $11 Kg6 38. Nd3 {aiming for Rc7.} g4 {And now ...h4 would win.} 39. Bd8 (39. g3 $11 Nd1+ 40. Kg2) 39... h4 $1 $17 {( -> ...g3+)} 40. Ne1 {[#]} g3+ ({Much less strong is} 40... Rxb4 41. Bxf6 Kxf6 42. Rd6+ Kg5 43. Rxc6 $15) (40... h3 $142 $1 {Strongly threatening ...g3+!} 41. gxh3 (41. Rd6 $2 g3+ 42. hxg3 h2 $19) 41... Nd1+ 42. Rxd1 Rxd1 43. Bxf6 Kxf6 44. hxg4 Rd4) 41. hxg3 fxg3+ 42. Kf1 Bxd8 43. Rxd8 Rxb4 44. Rd6+ {[%mdl 64] Double Attack} Kg7 45. Rxc6 Rb2 46. Bd3 {[#]} (46. Nd3 $11 {remains equal.} Rd2 47. Rc7+ Kf6 48. Rh7) 46... Nd1 $1 {[%cal Rd1e3]} 47. Bc2 (47. Rc7+ $17 Kg6 48. Kg1) 47... Ne3+ $19 48. Kg1 Nxc2 $2 (48... Nf7 $19 {Hoping for ...h3!} 49. Rc7 Kf6) 49. Rxc2 {[%mdl 4096] Endgame KRN-KRN} Rb1 {[%cal Rb1e1]} 50. Kf1 Nf7 51. Rc5 Kf6 52. f4 exf4 {White must now prevent ...Ne5.} 53. Rf5+ Ke6 54. Rxf4 Ne5 55. Rxh4 Nd3 $1 {[%csl Gd3][%cal Rb1e1]} 56. Ke2 Nxe1 $15 {KRN-KR} 57. Rg4 Nxg2 58. Rxg3 Rb2+ 59. Kf3 Ne1+ 60. Kg4 Ke5 61. Re3 Rg2+ 62. Kh5 Nc2 63. Rc3 Nd4 64. Rc5+ Kf4 65. Kh6 Ne6 66. Ra5 Kxe4 67. Rb5 Nd4 68. Rg5 Nf5+ 69. Kg6 Ne7+ 70. Kf6 Nd5+ 71. Kg6 $1 Nf4+ 72. Kf6 Nd5+ 73. Kg6 $1 Ra2 74. Rg1 Nf4+ 75. Kf6 Ra6+ 76. Ke7 Kf5 77. Rf1 Ra7+ 78. Kd6 Ra6+ 79. Ke7 $1 Ke5 {Accuracy: White = 56%, Black = 62%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.24"]
[Round "9"]
[White "Cori T., Deysi"]
[Black "Perez Rodriguez, Jennifer"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2406"]
[BlackElo "2203"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,17,29,20]} 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. c4 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Ndxb4 9. O-O {Predecessor:} Rb8 $146 10. Na3 O-O 11. Qb5 b6 12. Qxc4 Ba6 13. Nb5 Qe8 14. Rfc1 Nd5 15. Qxc6 Qxc6 16. Rxc6 Bxb5 17. Rc2 Rfc8 {½-½ (33) So,W (2780)-Caruana,F (2822) Saint Louis 2018} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.24"]
[Round "9"]
[White "Llaudy Pupo, Lisandra"]
[Black "Aliaga Fernandez, Ingrid Y"]
[Result "*"]
[ECO "B84"]
[WhiteElo "2302"]
[BlackElo "2194"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,32,25,48]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Be7 8. Be3 Qc7 9. f4 Nc6 10. Qe1 Nxd4 11. Bxd4 O-O 12. Qg3 b5 13. a3 Bb7 14. Rae1 Rad8 {B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3} 15. Kh1 Rd7 16. Bd3 Re8 {[#] LiveBook: 226 Games} {Predecessor:} 17. Re2 $146 Qd8 18. Ref2 Bf8 19. Qh3 e5 20. fxe5 dxe5 21. Be3 Bc8 22. Bg5 Be7 {½-½ (83) Radjabov,T (2734)-Wang,Y (2720) Beijing 2014} *

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.24"]
[Round "9"]
[White "Castrillon Gomez, Melissa"]
[Black "Roca Rojas, Ana Flavia"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2301"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,83,-7,15,-39,-37,-31,-31,-28,-31,-30,10,6,5,4,49,61,61,48,33,17,28,17,80,58,69,61,94,79,75,77,79,62,80,80,79,68,76,79,75,42,35,40,51,24,42,34,52,45,97,110,145,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,46,0,0,0]} 1. Nf3 Nf6 2. d4 e6 3. g3 b5 4. Bg2 Bb7 5. O-O Be7 6. Nbd2 O-O {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} 7. c4 bxc4 8. Nxc4 d5 {LiveBook: 3 Games} 9. Nfe5 (9. Na5 $11 Ba6 10. Bd2) 9... c6 $15 {[%cal Bc7c6,Bc6c5][%mdl 32]} 10. Nd2 c5 $146 ({Predecessor:} 10... Nbd7 11. Ndf3 c5 12. Be3 c4 13. Qc2 Nb6 14. Ng5 {½-½ (52) Erikson,R (2181)-Krejci,J (2503) Chennai 2011}) 11. b3 Nbd7 12. Bb2 Qb6 13. Nxd7 Nxd7 14. e4 c4 15. bxc4 {[%cal Re4d5]} dxe4 16. Rb1 {aiming for Ba3!} Qc7 17. Qe2 f5 18. f3 {[%cal Rf3e4]} Nf6 (18... Bb4 $11) 19. fxe4 Nxe4 20. Nxe4 fxe4 21. Qg4 ({But not} 21. Bxe4 $6 Bxe4 22. Qxe4 Qxc4 $11) 21... Bf6 22. Qxe6+ Kh8 23. c5 Rae8 24. Qc4 {d5 is the strong threat.} Qd7 25. Rbe1 Bd5 26. Qc3 Qc6 27. Bc1 Bxa2 28. Be3 Bd5 29. Ra1 Rf7 30. Rfb1 Ref8 31. Qa5 h5 (31... Qe6 $14) 32. Qa6 $16 Qc7 33. Qd6 (33. Qe2 $16 g6 34. Ra6) 33... Qxd6 $11 34. cxd6 {Black must now prevent Rb5.} Rd7 $1 35. Rb5 Rxd6 36. Rxa7 g6 37. h4 Re8 38. Kh2 Bg8 39. Rb4 Bd5 40. Bf4 Rde6 41. Be3 Rd6 42. Bf4 {Accuracy: White = 54%, Black = 57%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.24"]
[Round "9"]
[White "Arribas Robaina, Maritza"]
[Black "Rodriguez Rueda, Paula Andrea"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2257"]
[BlackElo "2275"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,97,31,52,42,63,54,58,12,20,10,28,12,44,-15,-10,-13,-14,-28,65,0,0,0,40,35,68,59,65,59,59,59,60,60,67,61,60,41,53,0,0,0,0,0,41,49,67,86,77,59,60,28,28,0,0,0,0,0,0,-10,-7,-395,-418,-536,-205,-402,-395,-379,-237,-237,-237,-219,-226,-226,-210,-212,0,-72,0,-444,-260,-29991,734,-29994]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. h3 a6 7. Bf1 g6 8. c3 Bg7 9. d4 O-O 10. e5 {B31: Sicilian: 2...Nc6 3 Bb5 g6} dxe5 11. dxe5 Ne8 $1 12. Be3 $146 {White is slightly better.} ({Predecessor:} 12. Bf4 Nc7 13. Nbd2 Nd5 14. Bg3 Bf5 15. a4 Rc8 16. Nc4 b5 17. axb5 axb5 {½-½ (66) Vidit,S (2718)-Andriasian,Z (2591) chess.com INT 2018}) 12... b6 13. Bf4 Nc7 14. Nbd2 Bf5 15. a4 (15. Qe2 $14) 15... Bd3 16. Nc4 Bxf1 17. Kxf1 Nd5 (17... Ne6 $11 18. Bg3 Qc7) 18. Qd2 (18. Bg3 $14) 18... Nxf4 $11 19. Qxf4 b5 {And now ...Qd3+ would win.} 20. Ne3 bxa4 21. Rxa4 Qb8 {[%cal Rc6e5]} 22. Nc4 Qb5 23. Rea1 Rad8 24. Qe4 Rd1+ 25. Rxd1 Qxa4 26. Rd5 Na5 $1 {[%cal Ra5c4]} 27. Rxc5 (27. Nfd2 $14) 27... Nxc4 28. Qxc4 Qa1+ 29. Ne1 e6 30. b4 Bh6 31. Qd3 Bg5 {Threatens to win with ...Rd8.} 32. Qc2 {Black must now prevent Ra5.} Bd8 $1 33. Ke2 a5 34. bxa5 Bxa5 35. Qb3 {Strongly threatening Nc2.} Rd8 36. Nd3 Ra8 37. Qc4 Kg7 {...Bb6 is the strong threat.} 38. h4 $2 {[%mdl 8192]} (38. Kf3 $11) 38... Bb6 $19 39. Rb5 Ra4 $2 (39... Ra2+ 40. Kf3 Qf1 $1 {[%mdl 512]} 41. Rxb6 Rxf2+ $3 {[%mdl 512]} 42. Nxf2 (42. Ke3 {gets mated.} Re2+ 43. Kd4 Qg1+ 44. Nf2 Qxf2+ {[%mdl 64] Double Attack} 45. Kd3 Qe3#) 42... Qxc4) 40. Rb4 $2 (40. Qxa4 Qxa4 41. Rxb6) 40... Ra2+ 41. Kf3 Qf1 {( -> ...Qe2+)} 42. Qxa2 Qxd3+ {[%mdl 4160] Endgame Double Attack. KQR-KQB} 43. Kf4 Qf5+ 44. Kg3 Qxe5+ {[%mdl 64] Double Attack} 45. Rf4 Bc7 $2 (45... Qxc3+ $19 46. Kh2 Bc7) 46. Qd2 {[#]} (46. Qc4 $11) 46... h6 ({Black should try} 46... Qf6 $1 $17) 47. Kg4 $2 {[%mdl 8192]} (47. Kf3 $1 $11 {and White has nothing to worry.} Qh5+ 48. Rg4) 47... g5 (47... f5+ $142 48. Kf3 g5 49. hxg5 hxg5) 48. Rf3 $2 (48. hxg5 $19 hxg5 49. Rxf7+ Kxf7 50. Qxg5 Qe2+ 51. Kh3) 48... Qd5 $4 {[%mdl 8192]} (48... Qe4+ {and all is fine.} 49. Rf4 Qxg2+ 50. Kh5 gxf4 51. Qd3 f5 52. Qd4+ e5 53. Qd7+ Kf6 54. Qe7+ Kxe7 55. f3 Kf6 56. Kxh6 Qg6#) 49. Rf4 $4 {[%mdl 8192] Accuracy: White = 26%, Black = 46%.} (49. Qxd5 $18 exd5 50. hxg5) 0-1

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.24"]
[Round "9"]
[White "Marrero Lopez, Yaniet"]
[Black "Fernandez, Maria Florencia"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2253"]
[BlackElo "2198"]
[Annotator "NA"]
[PlyCount "64"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:18]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:00]} 3. e5 {[%emt 0:00:06]} c5 {[%emt 0:00:07]} 4. c3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:26]} 5. Nf3 {[%emt 0:00:13]} Bd7 {[%emt 0:00:27]} 6. a3 {[%emt 0:00:17]} f6 {[%emt 0:00:23]} 7. Bd3 {[%emt 0:00:32]} Qc7 {[%emt 0:00:21]} 8. Qe2 {[%emt 0:00:55]} c4 {[%emt 0:17:10]} 9. Bc2 {[%emt 0:00:22]} O-O-O {[%emt 0:00:05]} 10. O-O {[%emt 0:05:39]} Nh6 {[%emt 0:07:50]} 11. Bxh6 {[%emt 0:05:28]} gxh6 {[%emt 0:00:02]} 12. exf6 {[%emt 0:00:08]} Bd6 {[%emt 0:02:25]} 13. Nbd2 {[%emt 0:00:29]} Rdf8 {[%emt 0:01:15]} 14. Rae1 {[%emt 0:11:21]} Rxf6 {[%emt 0:02:09]} 15. Ne5 {[%emt 0:00:26]} Bxe5 {[%emt 0:12:25]} 16. dxe5 {[%emt 0:00:12]} Rf7 {[%emt 0:00:52]} 17. Qe3 {[%emt 0:11:24]} Rg7 {[%emt 0:09:58]} 18. f4 {[%emt 0:25:14]} Re8 {[%emt 0:07:14]} 19. Nf3 {[%emt 0:01:17]} Kb8 {[%emt 0:03:33]} 20. Nd4 {[%emt 0:00:11]} Nxd4 {[%emt 0:04:38]} 21. Qxd4 {[%emt 0:00:02]} Bc6 {[%emt 0:05:23]} 22. Re3 {[%emt 0:01:46]} Reg8 {[%emt 0:01:40]} 23. Rf2 {[%emt 0:02:00]} Rg4 {[%emt 0:00:21]} 24. Bd1 {[%emt 0:00:26]} R4g6 {[%emt 0:02:07]} 25. Bh5 {[%emt 0:01:00]} R6g7 {[%emt 0:00:03]} 26. Rh3 {[%emt 0:01:35]} Qe7 {[%emt 0:00:57]} 27. Bd1 {[%emt 0:08:16]} Rg6 {[%emt 0:02:48]} 28. Bc2 {[%emt 0:02:30]} Rg4 {[%emt 0:00:03]} 29. Bd1 {[%emt 0:00:49]} R4g6 {[%emt 0:00:04]} 30. Bc2 {[%emt 0:04:09]} Rg4 {[%emt 0:00:05]} 31. Bd1 {[%emt 0:03:15]} R4g6 32. g4 Bd7 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.24"]
[Round "9"]
[White "Ortiz Verdesoto, Anahi"]
[Black "Rivera, Ingris"]
[Result "1/2-1/2"]
[ECO "E70"]
[WhiteElo "2115"]
[BlackElo "2188"]
[Annotator "TA"]
[PlyCount "186"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,186,45,41,45,37,61,45,53,50,56,-10,36,-6,0,-7,0,-2,-2,0,8,0,27,21,69,27,74,44,60,42,46,46,46,35,54,-20,-11,-62,-32,-54,-40,-63,-83,-69,-77,-140,-142,-95,0,0,12,8,16,0,0,0,0,0,69,0,656,325,373,0,345,343,337,341,321,343,324,312,618,620,643,522,514,473,1037,651,1172,1162,1126,1102,2536,2510,2463,2235,2316,1293,2068,1899,2187,2210,1873,1765,1471,1490,1572,1488,5193,5161,5149,4976,2676,2552,2344,2643,6095,4710,6219,6671,29971,29972,29980,29981,29981,29975,29981,29944,29943,29951,29957,29956,29949,29960,29953,29954,29970,29970,29957,12172,29958,29959,29963,29960,29963,29958,12832,12763,12164,7094,6218,6013,5640,5593,5192,5167,1693,135,135,135,135,0,135,0,135,135,135,135,135,135,135,135,135,60,135,135,135,135,146]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 c5 7. d5 e6 8. Bd3 a6 {E70: King's Indian: Miscellaneous lines with 4 e4, including 5 Nge2 and 5 Bd3 0-0 6 Nge2} 9. a4 Nbd7 10. O-O {LiveBook: 3 Games} Qc7 $146 {White is slightly better.} ({Predecessor:} 10... e5 11. a5 Kh8 12. Be3 Ng8 13. Qd2 Ne7 14. Na4 f5 15. exf5 Nxf5 {1-0 (42) Moiseenko,A (2703)-Sharafiev,A (2451) Loo 2013}) 11. Be3 Rb8 12. f3 Re8 13. Qd2 exd5 14. exd5 (14. cxd5 $14 h5 15. Be2) 14... Ng4 15. Bf4 (15. Bg5 $5 {[%cal Rf3g4]} Bd4+ 16. Kh1 $14) 15... Nge5 16. Rfe1 f5 17. Bg5 {With the idea f4.} Rf8 $1 18. Bf1 Nb6 19. b3 Bd7 20. Bh6 $36 {[%mdl 2048] White is pushing.} Be8 21. Rab1 Qf7 22. Bg5 Nc8 23. Kh1 Bd7 24. b4 f4 25. Nge4 h6 26. bxc5 (26. Bh4 $14) 26... hxg5 $11 27. c6 (27. cxd6 $11 g4 28. Be2) 27... Bf5 $15 28. Nxg5 Qc7 29. Rxb7 Rxb7 30. cxb7 Qxb7 31. Qxf4 (31. Nce4 $142) 31... Bh6 $1 $17 {aiming for ...Qb2.} 32. Qh4 Qg7 (32... Bxg5 $1 $17 33. Qxg5 Qb4) 33. Nce4 $1 $11 Bxe4 34. Nxe4 g5 35. Qh3 g4 36. fxg4 Nxg4 {Hoping for ...Bd2!} 37. Be2 Ne3 ({Black should play} 37... Rf4 $11 38. Bxg4 Rxe4 39. Be6+ Kh8) 38. Bd3 (38. g4 $1 $14 Nc2 39. Rd1) 38... Qd4 $2 {[%mdl 8192]} (38... Ng4 $11) 39. Qe6+ (39. Qxh6 $142 Qxd3 40. Nf6+ Kf7 41. Nh7) 39... Kg7 $18 40. Nf2 $2 ({Only move:} 40. Nc5 $1 $18 {White wants to mate with Qg6+.} Qf6 41. Qe4) 40... Rxf2 $4 {[%mdl 8192]} (40... Rf6 $1 $11 {and Black is okay.} 41. Qe4 Qxe4 42. Nxe4 Rf7) 41. Qg6+ Kf8 42. Qxh6+ Qg7 43. Qxg7+ Kxg7 44. Rxe3 {[%mdl 4096] Endgame KRB-KRN} Ra2 $2 (44... a5 45. Be2 Nb6) 45. h4 Rxa4 46. Kh2 Nb6 47. Re6 a5 (47... Nxc4 $142 48. h5 Kf8) 48. Rxd6 Nxc4 49. Bxc4 Rxc4 {KR-KR} 50. Kh3 a4 51. Ra6 Rd4 52. g3 Kf7 53. Kg2 Rd2+ 54. Kf3 Rd3+ 55. Kf4 a3 56. g4 Rd4+ 57. Kf3 Rd3+ 58. Ke4 Rg3 59. Kf4 Rd3 60. h5 {[%cal Bh4h5,Bh5h6][%mdl 32]} Rd4+ 61. Kg3 Rd3+ 62. Kh4 Kg7 63. h6+ Kh7 64. g5 Rxd5 65. Rxa3 Rd1 66. Ra7+ Kg6 67. Rg7+ Kf5 68. Rf7+ Kg6 {[#]} 69. Rf6+ $1 Kh7 70. Kg4 Rg1+ 71. Kf5 Rf1+ {[#]} 72. Ke6 $1 Re1+ 73. Kf7 Rg1 74. Rf5 (74. g6+ $142 Kxh6 75. Rf3 Rc1 76. Rh3+ Kg5 77. g7 Rc7+ 78. Kg8 Kf6 79. Kh8 Rxg7 80. Rf3+ Ke5 81. Kxg7) 74... Rg2 75. Kf6 Rg1 76. Rf4 Rg2 77. Kf5 Rg1 78. Rf2 Ra1 79. Rf3 Rg1 80. Re3 Rf1+ 81. Kg4 Rg1+ 82. Rg3 Ra1 83. Kf5 $2 (83. Rd3 $18 {Black must now prevent Rd7+.} Rg1+ 84. Kh4 Rh1+ 85. Rh3) 83... Ra5+ $16 84. Kf4 {Threatens to win with g6+.} Ra4+ 85. Kf5 {Strongly threatening g6+.} Ra5+ 86. Kg4 (86. Kf6 $16 {White threatens g6+ and mate.} Ra6+ 87. Ke7) 86... Kg6 (86... Ra1 $1 $11 {keeps the balance.}) 87. Kf4 Ra4+ 88. Kf3 Ra3+ 89. Kg2 Ra2+ 90. Kh3 Ra1 91. Kh4 (91. Rg4 $16) 91... Ra4+ ({Better is} 91... Ra5 $1 $14) 92. Rg4 Ra1 93. Kg3 Kh7 {Precision: White = 53%, Black = 34%.} 1/2-1/2

[Event "11th American Continental Women 2018"]
[Site "Envigado"]
[Date "2018.11.24"]
[Round "9"]
[White "Besso, Guadalupe"]
[Black "Franco Valencia, Beatriz Irene"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "2069"]
[BlackElo "2191"]
[Annotator "NA"]
[PlyCount "82"]
[EventDate "2018.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Bg4 {[%emt 0:00:00]} 3. c4 {[%emt 0:00:00]} Nd7 {[%emt 0:00:07]} 4. Bg5 {[%emt 0:15:23]} h6 {[%emt 0:04:04]} 5. Bf4 {[%emt 0:04:13]} g5 {[%emt 0:03:54]} 6. Bc1 {[%emt 0:01:39]} Bg7 {[%emt 0:00:15]} 7. Nc3 {[%emt 0:01:53]} e5 {[%emt 0:06:05]} 8. dxe5 {[%emt 0:09:29]} dxe5 {[%emt 0:02:20]} 9. h4 {[%emt 0:06:23]} gxh4 {[%emt 0:14:15]} 10. Nxh4 {[%emt 0:07:32]} Ne7 {[%emt 0:05:38]} 11. Qc2 {[%emt 0:00:31]} Nc5 {[%emt 0:08:30]} 12. g3 {[%emt 0:13:33]} Qd7 {[%emt 0:03:58]} 13. Bg2 {[%emt 0:01:49]} Nf5 {[%emt 0:03:47]} 14. Nxf5 {[%emt 0:06:24]} Bxf5 {[%emt 0:00:06]} 15. Qd2 {[%emt 0:00:43]} c6 {[%emt 0:04:48]} 16. Qxd7+ {[%emt 0:00:07]} Bxd7 {[%emt 0:02:14]} 17. Be3 {[%emt 0:04:43]} Ne6 {[%emt 0:01:03]} 18. Ne4 {[%emt 0:00:08]} Ke7 {[%emt 0:01:03]} 19. Nc5 {[%emt 0:05:01]} Nd4 {[%emt 0:03:52]} 20. Bxd4 {[%emt 0:01:22]} exd4 {[%emt 0:00:04]} 21. O-O-O {[%emt 0:00:54]} Be6 {[%emt 0:07:57]} 22. b3 {[%emt 0:02:09]} Rab8 {[%emt 0:01:35]} 23. Rhe1 {[%emt 0:03:19]} Kd6 {[%emt 0:07:08]} 24. Nxe6 {[%emt 0:06:43]} fxe6 {[%emt 0:00:18]} 25. e3 {[%emt 0:00:16]} c5 {[%emt 0:01:48]} 26. exd4 {[%emt 0:00:25]} Bxd4 {[%emt 0:01:13]} 27. Bh3 Rbe8 {[%emt 0:00:44]} 28. f4 {[%emt 0:05:26]} Rhg8 {[%emt 0:01:24]} 29. g4 {[%emt 0:01:14]} e5 {[%emt 0:02:04]} 30. fxe5+ {[%emt 0:00:29]} Rxe5 {[%emt 0:00:06]} 31. Rxe5 {[%emt 0:00:05]} Kxe5 {[%emt 0:00:05]} 32. Rf1 {[%emt 0:00:07]} Be3+ {[%emt 0:01:34]} 33. Kc2 {[%emt 0:00:51]} Rg7 {[%emt 0:03:47]} 34. Rf5+ {[%emt 0:00:19]} Kd6 {[%emt 0:00:08]} 35. Kd3 {[%emt 0:01:06]} Bd4 {[%emt 0:00:37]} 36. Rh5 {[%emt 0:00:30]} Rg6 {[%emt 0:00:22]} 37. Bg2 {[%emt 0:00:13]} b6 {[%emt 0:01:06]} 38. Be4 {[%emt 0:01:18]} Rxg4 {[%emt 0:02:00]} 39. Rxh6+ {[%emt 0:00:03]} Kc7 {[%emt 0:00:56]} 40. Rh7+ {[%emt 0:00:00]} Rg7 {[%emt 0:00:00]} 41. Rxg7+ {[%emt 0:00:18]} Bxg7 {[%emt 0:00:00]} 1/2-1/2

