[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Iturrizaga Bonelli, Eduardo"]
[Black "Fier, Alexandr"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "2663"]
[BlackElo "2576"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,39,10,12,0,0,0,-2,27,21,31,21,29,22,37,26,27,26,35,31,31,26,54,42,54,43,65,60,64,44,41,23]} 1. c4 Nf6 2. g3 c5 3. Bg2 g6 4. Nc3 Bg7 5. Nh3 Nc6 6. Nf4 {LiveBook: 6 Games. A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} a6 $146 ({Predecessor:} 6... O-O 7. O-O d6 8. b3 Rb8 9. Bb2 a6 {½-½ (9) Akopian,V (2654)-Minasian,A (2554) Ohrid 2001}) 7. e3 d6 8. d4 {The position is equal.} Nd7 {[%cal Rc5d4]} 9. Nfe2 O-O 10. O-O Rb8 11. b3 Na5 12. a4 e6 13. Rb1 b6 14. Qc2 Qe7 15. Rd1 Bb7 16. d5 {White is slightly better.} e5 17. e4 {[%cal Be3e4,Be4f5][%mdl 32]} Rbe8 18. Re1 Bc8 19. Nd1 f5 20. exf5 {Precision: White = 77%, Black = 60%.} 1/2-1/2

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Cordova, Emilio"]
[Black "Flores, Diego"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2651"]
[BlackElo "2567"]
[Annotator "TA"]
[PlyCount "174"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,174,-37,20,14,12,10,0,0,0,0,39,22,47,41,50,43,60,23,43,41,67,6,78,74,78,77,67,61,69,66,77,59,64,62,59,48,70,62,98,93,87,63,79,89,80,45,41,49,55,42,41,43,70,70,76,68,74,57,48,36,72,52,75,78,100,99,148,114,102,47,47,39,63,75,89,90,90,69,89,88,90,93,91,67,64,64,250,229,331,316,466,441,424,443,551,539,521,368,424,452,385,-25,-25,-322,-258,-903,-880,-820,-822,-1150,-1136,-996,-872,-776,-337,-199,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-3,-3,-10,-21,-21,-29,-28,-110,-118,-125,-127,-173,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. c4 g6 3. d4 cxd4 4. Nxd4 Nc6 5. g3 Bg7 6. Nb3 {A30: Symmetrical English: Double Fianchetto and Hedgehog} (6. e3 d5 7. Nb5 a6 8. cxd5 axb5 9. dxc6 Qxd1+ 10. Kxd1 bxc6 11. Bg2 Bb7 12. Kc2 Nf6 13. Bd2 Nd5 {½-½ (41) Ponkratov,P (2589)-Alekseev,E (2636) Sochi 2016}) 6... a5 {LiveBook: 6 Games} (6... d6 $15) 7. Nc5 $11 d6 8. Na4 Be6 9. Na3 Nf6 10. Bg2 O-O $146 ({Predecessor:} 10... Nd7 11. Be3 O-O 12. O-O Rb8 13. Rc1 Nb4 {0-1 (59) Bykov,O (2332)-Esenov,A (2302) Moscow 2017}) 11. O-O Rc8 12. Be3 Nd7 13. Qd2 b6 14. Rac1 Nc5 15. Nc3 Nb4 16. b3 (16. Bh6 $14) 16... Bd7 (16... Bxc3 $1 $11 17. Rxc3 Qd7) 17. Nab5 $16 Bc6 18. Bxc6 Nxc6 19. Nd5 Rb8 20. Rfd1 Rb7 21. Bh6 Bxh6 22. Qxh6 Rd7 23. Qh4 (23. Ndc3 {with more complications.} Ne5 24. f3 e6 25. Rd2 Qe7 26. Kg2) 23... f5 24. Rb1 Ne4 25. f3 Nf6 26. Nf4 {Strongly threatening Ne6.} Qc8 27. Ne6 Rf7 28. a3 Nd8 29. Nf4 Kg7 30. b4 axb4 31. axb4 h6 {Hoping for ...g5.} 32. Nd5 Rb7 33. Qd4 $36 {[%mdl 2048] Black is under pressure.} Nc6 34. Qc3 ({Not} 34. Nxb6 $2 Qb8 $19) 34... Ne5 35. Rbc1 Kh7 36. Qd4 Nc6 37. Qe3 Qd8 38. Ra1 Rb8 39. Qc3 Rc8 40. Na7 ({White should play} 40. Qb3 $16) 40... Nxd5 $14 41. Rxd5 Nxa7 42. Rxa7 Rc7 43. Rxc7 Qxc7 $16 {[%mdl 4096] Endgame KQR-KQR} 44. Rb5 Rf8 45. Qe3 Qxc4 46. Rxb6 Qc7 47. b5 Qa7 48. Kf2 g5 $2 (48... Kg8 $14) 49. Ra6 $18 Qxe3+ (49... Qc5 $142 50. Qxc5 dxc5) 50. Kxe3 {KR-KR} Rc8 (50... f4+ {might work better.} 51. gxf4 Rxf4) 51. Rc6 $1 {[%cal Rc6c8]} Rb8 52. b6 Kg7 53. Kd4 Kf6 54. Kc4 Ke5 55. Kb5 Kd4 56. e4 $2 (56. Ka6 $18) 56... g4 $1 $11 {[%cal Rg4f3]} 57. fxg4 $2 {[%mdl 8192]} (57. f4 $11 {and White stays safe.} fxe4 58. Rc7) 57... fxe4 $19 58. Rc7 $2 (58. Ka6 e3 59. Rc7) 58... e5 59. Rc4+ Kd3 60. Ra4 e3 61. Kc6 e2 62. Ra1 {[#]} Kd2 (62... d5 $142 $1 {[%mdl 512]} 63. Kc7 (63. Kxd5 Rxb6) 63... Rf8) 63. Kc7 {[#]} (63. h4 {only move.} d5 64. Kc7) 63... Rg8 $2 ({Black should try} 63... Re8 $1 $19 64. h4 e1=Q 65. Rxe1 Kxe1) 64. b7 $11 Rg7+ 65. Kc6 $1 Rg8 66. h4 e1=Q ({And not} 66... e1=R 67. Ra8 $18) 67. Rxe1 Kxe1 68. g5 $1 {[%cal Rg5h6]} hxg5 69. hxg5 {KR-K3P} Kf2 70. Kc7 e4 {Threatens to win with ...e3.} 71. b8=Q Rxb8 72. Kxb8 {KPP-KPP} e3 {And now ...e2 would win.} 73. g6 e2 74. g7 e1=Q 75. g8=Q {KQ-KQ} Qe5 {...d5+ is the strong threat.} 76. g4 (76. Qf7+ $11 {keeps the balance.} Kxg3 77. Qb3+ Kf4 78. Qf7+ Qf5 79. Qc4+ Qe4 80. Qc1+ Qe3 81. Qc4+ Ke5 82. Qg4) 76... d5+ $17 77. Kb7 {[#]} d4 $1 {[%cal Rd4d3] White must now prevent ...d3.} 78. Qc4 Qe3 $2 (78... Qe4+ $19 79. Kb6 Qe3 80. Qc2+ Kg3 81. Qc7+ Kxg4 82. Qd7+ Kg3 83. Qc7+ Kf3 84. Qc6+ Qe4) 79. g5 $11 {The position is equal.} d3 80. Qh4+ Ke2 81. Qg4+ Ke1 {aiming for ...d2.} (81... Kf1 $5 82. g6 $8 d2 $11) 82. Qh4+ Ke2 83. Qg4+ Qf3+ 84. Qxf3+ Kxf3 85. g6 d2 86. g7 d1=Q {( -> ...Qd7+)} 87. g8=Q Ke4 {Precision: White = 52%, Black = 45%.} 1/2-1/2

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Bruzon Batista, Lazaro"]
[Black "Erenburg, Sergey"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2650"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,99,23,13,23,28,31,20,25,17,27,18,22,2,32,17,30,26,18,-19,-33,-45,82,48,103,93,109,100,108,95,93,77,64,66,67,66,77,81,78,71,93,77,76,83,88,86,105,72,69,61,76,0,62,53,100,86,129,138,134,120,243,229,452,447,431,325,325,297,300,262,431,431,431,431,442,438,393,426,416,417,504,509,504,504,588,590,581,555,983,978]} 1. c4 c6 2. d4 d5 3. cxd5 cxd5 4. Bg5 (4. Nf3 Nc6 5. Nc3 Nf6 6. Bf4 Nh5 7. Bd2 g6 8. e3 e6 9. Bb5 Bd7 10. Ne5 Nxe5 11. dxe5 Bxb5 12. Nxb5 a6 13. Nd4 Bc5 14. Nb3 Be7 {0-1 (60) Shimanov,A (2642)-Fedoseev,V (2690) Minsk 2017}) 4... Nc6 5. Nc3 Qb6 6. Qd2 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} e6 7. e3 {LiveBook: 3 Games} Nge7 $146 {[%cal Bg8e7,Be7f5,Bf5h4][%mdl 32]} (7... h6 $5 {[%cal Rh6g5]} 8. Bf4 Nf6 $11) ({Predecessor:} 7... h6 8. Bh4 Bd7 9. Nf3 Nf6 10. Bxf6 gxf6 11. Bd3 f5 {1-0 (64) Nabaty,T (2586)-Cerveny,M (2357) Pardubice 2013}) 8. Bf4 {White has an edge.} Nf5 9. Bd3 Nh4 10. Bg3 Be7 11. f3 (11. Bxh4 $5 Bxh4 12. Nf3 $14) 11... O-O 12. Qf2 $36 {[%mdl 2048] Black is under pressure.} g6 (12... Nb4 $5 {[%cal Rb4d3]} 13. Bb1 Ng6 $11) 13. Rd1 Nf5 14. Bxf5 exf5 15. Nxd5 Qa5+ 16. Nc3 Nb4 (16... b5 $1 $15 {keeps the upper hand.} 17. a3 Ba6) 17. Nge2 Nc2+ {[#]} (17... Be6 $14) 18. Kf1 $1 $16 {[%cal Be1f1,Bf1g1,Bg1h2][%mdl 32]} Be6 19. Nf4 Bc4+ 20. Kg1 Nb4 21. a3 Na2 22. Nxa2 Bxa2 23. h4 Bb3 24. Rc1 Rac8 25. Kh2 Rfe8 26. Rhe1 Bf8 27. Nd3 Qb5 28. Qd2 a5 29. Nf4 a4 30. Ne2 Qd7 31. Nf4 Qb5 32. Nd3 b6 33. Nb4 Bh6 34. Rxc8 Rxc8 35. d5 Qc4 (35... Qc5 $16 36. Bf4 Bg7) 36. d6 $18 Qe6 $2 {[#]} (36... f6 {might work better.} 37. h5 gxh5) 37. Nc6 $1 {[%mdl 512] Ne7+ is the strong threat.} Bf8 (37... Rxc6 38. d7) 38. d7 Qxc6 39. dxc8=Q Qxc8 40. Rc1 Bc4 $2 {[#]} (40... Bc5 {keeps fighting.} 41. Qd4 Qe6 42. Qd8+ Kg7) 41. Qd5 $1 {[%mdl 512]} Bxd5 42. Rxc8 {[%mdl 4096] Endgame KRB-KB} Kg7 43. Be5+ f6 {[#]} 44. Bxf6+ $1 {[%mdl 512]} Kf7 (44... Kxf6 45. Rxf8+) 45. Bd4 b5 46. Rc7+ {White is clearly winning.} Kg8 {And now ...Bd6+ would win.} 47. Kg1 h5 48. Kf2 Bc4 49. Rc6 Kh7 50. Rc8 {Precision: White = 55%, Black = 39%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Kovalyov, Anton"]
[Black "Fernandez, Fernando"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2643"]
[BlackElo "2416"]
[Annotator "TA"]
[PlyCount "165"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,165,18,8,31,16,22,0,16,0,99,72,71,71,70,70,91,93,134,145,141,172,226,143,121,59,79,62,67,72,75,70,70,0,0,-7,0,0,0,-160,-162,-253,-151,-178,0,-97,-30,-85,-81,-58,0,0,2,0,0,0,46,57,51,51,54,43,51,53,59,30,60,60,57,57,58,60,58,35,103,16,68,43,36,35,38,5,7,9,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,37,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,12845,12845,12847,12847,12850,12850,12851,29976,29976,29977]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. Rd1 Nbd7 9. b3 h6 {E08: Closed Catalan: Main Line: 7 Qc2} 10. Nc3 (10. Bb2 Bb7 11. Nc3 Qc7 12. Rac1 Rac8 13. e4 dxe4 14. Nxe4 c5 15. Nxf6+ Nxf6 16. dxc5 Bxc5 17. Ne5 Bxg2 18. Kxg2 {0-1 (45) Cheparinov,I (2677)-Harikrishna,P (2752) Monzon 2016}) 10... Ba6 11. Nd2 Rc8 {The position is equal.} 12. e4 $146 ({Predecessor:} 12. a4 Bb4 13. e4 e5 14. dxe5 Nxe5 15. exd5 cxd5 16. Nxd5 Nxd5 {1-0 (31) Kopsa,P-Van Gool,J (2057) ICCF email 2007}) 12... dxc4 (12... c5 $1 $11 13. exd5 cxd4 14. dxe6 fxe6) 13. Nxc4 b5 14. Ne3 $1 Qb6 15. a3 c5 16. d5 c4 17. bxc4 $1 bxc4 18. Rb1 Qc5 (18... Qc7 $142 19. Bh3 Nc5) 19. Qa4 Qd6 {intending ...Nc5.} 20. dxe6 (20. f4 $16) 20... Qxe6 $14 21. Ned5 (21. Nf5 $5 {[%cal Rf5e7]} Nc5 22. Qc2 $16) 21... Nc5 $1 {[%cal Rc5a4]} 22. Nxe7+ Qxe7 23. Qa5 Bb7 {[%cal Rf6e4]} 24. Bf4 (24. f3 $1 $14) 24... Bxe4 25. Re1 Rfe8 26. Nxe4 Ncxe4 27. Rb5 $2 (27. Bxe4 $11 Nxe4 28. f3 Qc5+ 29. Qxc5 Nxc5 30. Rxe8+ Rxe8 31. Rc1) 27... Qd7 $17 28. Rbb1 {[#]} (28. Bxe4 {is a better defense.} Nxe4 29. Rd5) 28... c3 (28... Nxf2 $1 $19 {[%mdl 512]} 29. Kxf2 Qd4+ 30. Kf3 g5) 29. Rbd1 {[#]} Qe7 $2 (29... Nd2 $1 $19 {[%mdl 512]} 30. Rxe8+ (30. Bxd2 Rxe1+) 30... Qxe8) 30. Be3 (30. Rd4 $11 {remains equal.}) 30... Qc7 ({Better is} 30... c2 $17 31. Rc1 Qb7 32. Qxa7 Qb3) 31. Qxa7 (31. Qxc7 $11 {was the only way to keep the balance.} Rxc7 32. Bf4) 31... Qxa7 32. Bxa7 Ra8 ({Black should play} 32... Nd2 $1 $15 33. Rxe8+ Rxe8) 33. Bd4 $11 Rxa3 34. Rc1 Rd8 35. Be5 Nc5 {next ...Nd3 is good for Black.} 36. Bxc3 Ne6 37. h4 Ra6 38. Bh3 Rad6 39. Be5 Ra6 40. Rb1 Nc5 41. Rb5 Ne6 42. Kg2 Nd7 43. Bc3 Ndc5 44. h5 Ra2 (44... Nd3 $14) 45. Re3 (45. Ba5 $16 Rf8 46. Bb6) 45... Ra3 (45... Nd3 $11 46. Ba5 Ra8 47. Bxe6 (47. Rxd3 R2xa5 48. Rdd5 Rxb5 $14) 47... fxe6 48. Rxd3 R2xa5) 46. Ba5 Rxe3 47. Bxd8 Re5 48. f4 Re2+ 49. Kf1 {aiming for Rxc5.} Re3 $132 {[%mdl 2048] Black is not keeping still} 50. Bh4 (50. Bxe6 $5 Nxe6 51. Kf2 $11) 50... g5 51. hxg6 fxg6 52. Kf2 Rc3 53. Bxe6+ Nxe6 {[%mdl 4096] Endgame KRB-KRN} 54. Bf6 Rc5 55. Rb7 Rc7 56. Rb8+ Kf7 57. Be5 Rc2+ 58. Ke3 h5 59. Rb7+ Ke8 60. Bd6 Kd8 61. Re7 Nc7 {Strongly threatening ...Nd5+.} 62. Rg7 (62. Rf7 {seems wilder.} Rc3+ 63. Kf2 Rc2+ 64. Kf3 Rc3+ 65. Kg2) 62... Ne8 63. Rxg6 (63. Rg8 {keeps more tension.} Kd7 64. Bb4 Rb2 65. Ba5 Nd6 66. Kf3) 63... Nxd6 64. Rxd6+ {KR-KR} Ke7 65. Rd5 (65. Rh6 {is interesting.} Rg2 66. Kf3 Rh2 67. Ke4 Rg2 68. Kf3) 65... Rh2 66. Rf5 Ke6 67. Rf8 Ke7 68. Rh8 Kf6 69. Rh6+ (69. g4 $5 Rh3+ 70. Kf2 hxg4 71. Rxh3 gxh3 72. Kg3 $11) 69... Kg7 70. Rd6 (70. Rb6 {is more complex.} Ra2 71. Rb3 Kg6 72. Rd3 Rb2 73. Ra3) 70... Rh1 71. f5 Rf1 72. Ke4 (72. g4 $5) 72... Rf2 73. Rg6+ (73. g4 $5 hxg4 74. Rg6+ Kf7 75. Rxg4 $11) 73... Kf7 74. Rh6 Rh2 75. Ra6 {Rh6 is the strong threat.} (75. g4 $5 Rh4 76. Ke5 (76. Rxh5 Rxg4+ 77. Ke5 Rb4 $11) 76... Rxg4 77. Rh7+ (77. Rxh5 Rb4 $11) 77... Kg8 78. Rxh5 $16) 75... Rf2 76. Rb6 (76. g4 $5 hxg4 77. Rb6 $11) 76... Rf1 77. Ke5 {Hoping for Rb7+.} (77. g4 $5 hxg4 78. Ke5 $11) 77... Re1+ 78. Kf4 {Black must now prevent Kg5.} Rf1+ $2 {[%mdl 8192]} (78... Rg1 $11) 79. Kg5 $18 Rf3 80. Rb7+ Kg8 81. g4 hxg4 82. Kg6 (82. f6 $18 Kf8 83. Kg6) 82... Kf8 83. f6 {Precision: White = 42%, Black = 68%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Cori, Jorge"]
[Black "Sevian, Samuel"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2618"]
[BlackElo "2601"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,85,0,0,0,0,0,25,16,15,0,0,7,7,27,31,27,13,0,87,88,93,91,96,40,60,41,42,37,76,20,102,11,22,11,11,11,14,11,14,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. d3 Be7 7. Be3 O-O 8. Rc1 Re8 9. a3 Bf8 10. Nf3 Nc6 11. O-O Nd4 {A29: English Opening: Four Knights Variation with 4 g3} 12. Ne4 a5 {LiveBook: 6 Games} (12... c6 13. Bg5 f6 14. Nxd4 exd4 15. Bd2 Be6 16. Re1 Bd5 17. Qc2 Qd7 18. b4 Rad8 19. Qb2 {0-1 (73) Nepomniachtchi,I (2767)-Karjakin,S (2785) Doha 2016}) 13. Bg5 f6 14. Bd2 a4 15. Nxd4 exd4 16. Nc5 c6 17. Re1 Re5 $146 ({Predecessor:} 17... Kh8 18. b4 axb3 19. Qxb3 Bxc5 20. Rxc5 {½-½ (26) Meyers,M (2074)-Torres Kuckel,R (2191) Dortmund 2016}) 18. Bb4 Kh8 19. e3 dxe3 20. Rxe3 Qe8 (20... Bxc5 $11 {keeps the balance.} 21. Bxc5 (21. Rxc5 Rxe3 22. fxe3 Nd5 $14) 21... Rxe3 22. fxe3 Be6) 21. Rxe5 $16 Qxe5 22. d4 Qe8 23. Qc2 (23. Qe1 $16 Qf7 24. Qc3) 23... Qf7 $14 24. Re1 Nd5 25. Bd2 b5 26. h4 (26. Qe4 $16) 26... Bxc5 (26... Bg4 $11) 27. Qxc5 ({White should try} 27. Bxd5 $1 $16 cxd5 28. dxc5 (28. Qxc5 Be6 $16)) 27... Bd7 $11 {The position is equal.} 28. Bxd5 (28. Bb4 $5) 28... Qxd5 29. Qxd5 cxd5 {[%mdl 4096] Endgame KRB-KRB} 30. Re7 Bf5 31. h5 h6 32. f3 Rc8 33. g4 Rc2 34. Bb4 Bd3 35. Rd7 Be2 36. Bf8 Kg8 37. Bxg7 Bxf3 38. Bxf6 Rg2+ 39. Kf1 {[#] And now g5 would win.} Rxg4 40. Kf2 Rf4 41. Be5 Bg4+ 42. Bxf4 Bxd7 43. Bxh6 {Precision: White = 52%, Black = 73%.} 1/2-1/2

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Delgado Ramirez, Neuris"]
[Black "Cuartas, Jaime Alexander"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2613"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,81,-52,-57,-47,-30,-44,-62,-32,-35,0,0,7,39,39,-1,166,168,292,312,300,295,429,435,431,435,428,422,417,408,571,565,585,588,621,636,662,640,667,670,745,744,835,683,766,766,832,827,809,782,858,839,956,947,1062,1040,1987,1935,1805,2381,29987,1602,29988,29989,29989,29990]} 1. e4 c5 2. b3 d6 3. Bb2 Nc6 4. f4 Nf6 5. Nc3 g6 6. Bb5 {B20: Sicilian: Unusual White 2nd moves} Bd7 7. Bxc6 Bxc6 8. Qe2 Bg7 9. O-O-O O-O 10. Nf3 {[#] LiveBook: 3 Games} b5 $1 {[%mdl 512]} 11. e5 (11. Nxb5 Nxe4) 11... Nh5 12. g3 $146 ({Predecessor:} 12. Qe3 Bh6 13. Ne2 Qd7 {1-0 (27) Velickovic,S (2399)-Wojtkiewicz,A (2535) FIDE.com 2002}) 12... b4 (12... c4 $5) 13. Ne4 a5 14. d4 {[%cal Bd2d4,Bd4d5,Bd5c6][%mdl 32]} c4 {[#] White must now prevent ...c3.} 15. d5 c3 16. Bxc3 bxc3 $2 (16... Bd7 $11 {and Black stays safe.} 17. Bd4 Bg4) 17. dxc6 $18 a4 (17... Qb6 $142 18. Nxc3 (18. exd6 Qb4 $16) 18... Qxc6) 18. b4 ({Don't play} 18. Nxc3 $6 axb3 19. cxb3 Qb6 $18) 18... Qb6 19. b5 ({Less strong is} 19. Nxc3 Qxb4 20. Rd3 (20. Nd5 Qa3+ 21. Kd2 dxe5 $17) 20... Qa3+ 21. Kd2 Qc5 $14) 19... Rab8 (19... dxe5 {might work better.} 20. Nxe5 Bxe5) 20. Nxc3 Qc5 21. Rd3 Rfc8 22. Qe4 dxe5 23. Nxe5 Nf6 24. Qxa4 e6 25. Qc4 Qa3+ 26. Kd2 Qa5 27. Ke2 h5 28. Rb1 h4 29. Qb4 Qb6 30. Nc4 Qc7 31. Qd6 hxg3 32. Qxc7 Rxc7 33. hxg3 Ne8 34. Ne5 Bxe5 35. fxe5 Kf8 36. Rbd1 Ra7 37. Rd8 Rxd8 38. Rxd8 Ke7 39. Rxe8+ Kxe8 40. b6 {[%cal Bb5b6,Bb6b7][%mdl 32]} Ra6 41. b7 {Precision: White = 95%, Black = 26%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Pichot, Alan"]
[Black "Bachmann, Axel"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2577"]
[BlackElo "2653"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,54,15,19,0,0,0,22,0,0,0,0,0,-6,0,-14,0,0,0,0,0,0,-151,-144,-261,-169,-204,-173,-170,-187,-260,-257,-333,-297,-379,-326,-422,-426,-635,-468,-1259,-1258]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 {[%cal Bf3d4,Bd4c2,Bc2e3][%mdl 32]} Qf6 5. Be3 Bc5 6. c3 Nge7 7. Bc4 O-O 8. O-O b6 9. Nc2 {C45: Scotch Game} Bb7 (9... Ne5 10. Be2 Bb7 11. f4 N5g6 12. e5 Qe6 13. b4 Bxe3+ 14. Nxe3 Nh4 15. Bg4 f5 16. Be2 Kh8 {0-1 (34) Kasparov,G (2812)-Caruana,F (2795) Saint Louis 2016}) 10. Nd2 Ne5 {[%cal Bc6e5,Be5g6,Bg6h4][%mdl 32]} 11. Be2 {The position is equal.} Bxe3 12. Nxe3 N5g6 13. Bf3 $146 {Black must now prevent e5!} ({Predecessor:} 13. Re1 d5 14. Qc2 Nf4 {½-½ (25) Markus,R (2221)-Janosi,E (2069) LSS email 2009}) 13... Nh4 14. Bg4 d5 15. g3 {e5 is the strong threat.} dxe4 16. gxh4 Rad8 $1 17. Qe2 Qxh4 18. Rfd1 $2 {[#]} (18. Rad1 $11 f5 19. Qc4+ Bd5 20. Qxc7 fxg4 21. Nxe4 $1 {[%mdl 512]}) 18... f5 $1 $17 {[%cal Bf7f5,Bf5g4][%mdl 32]} 19. Qc4+ (19. Nf3 $17 exf3 20. Bxf3 Qg5+ 21. Ng2 Bxf3 22. Qxf3) 19... Bd5 $1 $19 {[%cal Rd5c4]} 20. Qxc7 {aiming for Be2.} fxg4 21. Qg3 Qf6 22. Ndf1 (22. Nxg4 $142 Qe6 23. Ne3) 22... h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 23. Rd2 {intending Rad1.} Be6 24. Rad1 Rxd2 25. Rxd2 Ng6 {Black is clearly winning.} 26. Rd6 (26. Ng2 $142 Ne5 27. Kh1) 26... h4 27. Qg2 (27. Rxe6 $142 Qxe6 28. Qxg4) 27... Nf4 {Precision: White = 36%, Black = 88%.} 0-1

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Peralta, Fernando"]
[Black "Barrientos, Sergio E"]
[Result "1/2-1/2"]
[ECO "E47"]
[WhiteElo "2569"]
[BlackElo "2463"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,99,29,25,42,37,36,38,45,39,50,38,52,60,72,52,80,80,80,72,84,83,89,87,83,83,85,80,75,56,72,56,58,58,86,88,83,83,89,85,82,66,54,54,57,64,60,56,52,58,58,44,56,44,60,47,58,47,56,59,22,0,0,0,0,0,0,-422,-404,-716,-686,-599,-317,-729,-658,-620,-495,-703,-708,-469,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d6 7. O-O {LiveBook: 19 Games} h6 {E50: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3} (7... Re8 8. Ne2 Nbd7 9. e4 cxd4 10. a3 Ba5 11. b4 Bc7 12. Nexd4 Nf8 13. Nb5 e5 14. h3 Ne6 15. Nxc7 Qxc7 {1-0 (44) Bellaiche,A (2443)-Kogan,A (2524) France 2010}) 8. Bd2 Nc6 9. a3 $146 ({Predecessor:} 9. d5 Bxc3 10. dxc6 Bxd2 11. cxb7 Bxb7 12. Qxd2 Qb6 13. Qc2 Rfd8 14. Rac1 a5 15. Rfd1 a4 16. a3 {0-1 (60) Kremsner,A (2214)-Mochalov,E (2419) Fuegen 2006}) 9... Ba5 {White is slightly better.} 10. Qc2 Qe7 11. Rfe1 Re8 12. Rad1 b6 13. h3 Bxc3 14. Bxc3 ({Much weaker is} 14. bxc3 $6 e5 $15) 14... e5 15. d5 Nb8 {Threatens to win with ...e4.} 16. Nd2 {[%cal Bf3d2,Bd2f1,Bf1g3,Bg3h1,Bh1f2][%mdl 32]} Nbd7 17. f3 a6 18. b3 Rb8 19. Rb1 b5 20. Ba5 Nf8 21. Nf1 Bd7 22. Ng3 Rb7 23. Bc3 h5 24. f4 e4 25. Be2 h4 26. Nh1 Reb8 27. Nf2 Bf5 28. Kh2 Ng6 29. Bg4 Nxg4+ 30. hxg4 Bd7 31. Rbc1 ({Of course not} 31. Nxe4 bxc4 32. bxc4 Rxb1 $15) 31... f5 32. gxf5 Bxf5 33. Qe2 bxc4 34. bxc4 Rb3 35. Qh5 Rf8 36. g4 hxg3+ $1 37. Kxg3 {[#]} Ne5 $1 {[%mdl 512]} 38. fxe5 Rxc3 $1 39. e6 $2 {[%mdl 8192] [#]} (39. Ng4 $1 $11 Rxc1 40. Rxc1) 39... Qf6 $1 $19 40. Rxc3 (40. e7 $142 Qxe7 41. Nh3) 40... Bg6 41. Qe2 Qxc3 42. Ng4 $2 {[#]} (42. Rh1 Rf3+ 43. Kg2) 42... Rf3+ $1 43. Kh2 Bh5 44. Rg1 (44. e7 $142 Kf7 45. Rg1) 44... Bxg4 $1 45. Rxg4 Rxe3 $2 {[#]} ({Black should try} 45... Qe5+ $19 46. Kg1 Rh3) 46. Rxg7+ $1 $11 {[%mdl 512] The position is equal.} Kxg7 (46... Qxg7 47. Qxe3) 47. Qg4+ Kf6 48. Qf4+ Kg6 49. Qg4+ Kh6 {( -> ...Qd2+)} 50. Qh4+ {Precision: White = 68%, Black = 64%.} 1/2-1/2

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Bacallao Alonso, Yusnel"]
[Black "Terry, Renato"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2554"]
[BlackElo "2454"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,131,5,3,14,0,0,0,0,0,0,0,5,-5,0,-55,0,-29,-25,-22,-16,-22,0,-12,0,-18,-18,-12,-11,-29,-29,-17,-4,0,0,-23,0,0,0,0,11,-16,0,-8,0,0,20,10,66,66,66,67,135,135,152,145,145,145,164,163,164,157,158,157,157,157,157,157,156,156,258,197,258,141,415,258,258,258,258,258,340,258,311,164,164,164,415,415,415,415,415,415,415,164,415,415,415,415,415,0,415,258,415,415,29976,29977,29979,29978,29978,29977,29976,29955,29986,29987]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. b3 Bg4 5. Bb2 Nbd7 6. O-O e6 7. d3 Bd6 8. Nbd2 O-O 9. h3 Bxf3 10. Nxf3 Qe7 11. a3 e5 {A07: Réti Opening: New York and Capablanca Systems} (11... Rfd8 12. c4 Rac8 13. Qc2 a6 14. Rfe1 e5 15. e4 dxe4 16. dxe4 Nf8 17. c5 Bxc5 18. Bxe5 Ne6 19. Qb2 {0-1 (60) Adly,A (2684)-Vladimirov,Y (2589) Pavlodar 2015}) 12. Nh4 (12. e4 $5) 12... g6 13. e4 dxe4 {The position is equal.} 14. dxe4 Rad8 15. Qe2 Rfe8 16. b4 $146 ({Predecessor:} 16. a4 Nf8 17. Nf3 Nh5 18. Kh2 f6 19. Nd2 {1-0 (56) Ledger,A (2452)-Gordon,S (2338) Scarborough 2004}) 16... Nb6 (16... a5 $5) 17. Rad1 (17. Bc1 $11) 17... Qe6 (17... c5 $15) 18. Rd3 Nc4 19. Bc1 b5 20. Rfd1 Bc7 21. Nf3 a5 22. Nd2 (22. Rxd8 {keeps more tension.} Bxd8 23. Nd2 Nb6 24. Nb3 axb4 25. axb4 Be7 26. Bd2) 22... axb4 23. axb4 Rxd3 24. cxd3 (24. Qxd3 $5 {[%cal Rd2c4]} Rd8 25. Qf3 $11) 24... Nxd2 25. Bxd2 Ra8 26. Be3 Ra2 27. Qf3 Nd7 28. d4 $1 {[%cal Rd4d5]} exd4 29. Bxd4 Be5 (29... h5 {is more complex.} 30. Qe3 Ne5 31. Bc5 Nd7 32. Bd4) 30. Be3 Ra1 31. Kh2 Rxd1 32. Qxd1 Qd6 33. Qc2 {White wants to play f4.} Qxb4 (33... Bg7 $11) 34. Qxc6 $14 Nf8 35. Qd5 $1 {[%cal Rd5e5]} Qb2 ({Black should play} 35... Qc3 $14) 36. Bf1 $16 Ne6 37. Qxb5 ({And not} 37. Bxb5 Bd4 $11) 37... Qxb5 38. Bxb5 Bd4 39. Bxd4 Nxd4 $18 {[%mdl 4096] Endgame KB-KN} 40. Bc4 g5 41. Kg2 Kg7 42. f4 gxf4 43. gxf4 Nc6 44. Kf3 Ne7 (44... f6 $16 45. Bd5 Nb4) 45. Ke3 Ng6 (45... Kf8 {was necessary.} 46. h4 Kg7) 46. Bb3 (46. Bb5 $18) 46... Kf6 $2 {[%mdl 8192]} (46... f6 $16 {keeps fighting.} 47. Be6 Nh4) 47. Bd1 Kg7 48. Bh5 {[#] Bxg6 is the strong threat.} Ne7 49. Kd4 Kf6 50. Bg4 Kg7 51. Bd7 (51. f5 $142) 51... Ng6 52. Ke3 Ne7 $2 {[#]} (52... Nh4 {might work better.} 53. Bb5 Ng6) 53. f5 Kf6 54. Kf4 Ng8 55. Bc6 Kg7 56. Kg5 $2 (56. Ke5) 56... h6+ $2 (56... f6+ 57. Kf4 Ne7) 57. Kf4 Ne7 58. Bd7 Ng8 59. Bc6 Ne7 60. Bd5 Nc8 $2 (60... f6 {was called for.} 61. Bb7 Kf8) 61. Ke5 f6+ (61... Nb6 $18 62. Bb3 Kf8) 62. Ke6 {White mates.} Na7 63. Ke7 Nc8+ 64. Kd7 Nb6+ 65. Ke6 Na4 66. Ke7 {Precision: White = 54%, Black = 35%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Ramirez, Alejandro"]
[Black "Pulvett Marin, Daniel"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2552"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,91,34,31,36,19,18,23,26,24,44,34,41,37,35,25,32,21,15,7,34,33,35,28,33,37,46,39,66,56,40,27,87,82,101,67,161,173,162,117,311,304,335,223,411,411,440,453,440,415,562,556,609,629,717,729,696,638,763,755,803,780,787,758,748,787,790,769,782,758,723,723,854,795,843,825]} 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O c5 6. b3 d6 7. Bb2 {A30: Symmetrical English: Double Fianchetto and Hedgehog} Be7 (7... a6 8. d4 cxd4 9. Qxd4 Nbd7 10. Nc3 Be7 11. Rac1 O-O 12. Rfd1 Rc8 13. Qd2 Qc7 14. Ne1 Bxg2 15. Nxg2 Qb7 16. Qd3 Rfd8 17. Nf4 Ne5 18. Qd2 b5 19. cxb5 axb5 20. Nd3 {0-1 (70) Mamedov,R (2678)-Cordova,E (2637) Atlantic City 2016}) 8. e3 Nbd7 9. Qe2 O-O 10. Rd1 {LiveBook: 15 Games} Rc8 11. d3 {[%cal Bd2d3,Bd3d4][%mdl 32]} Qc7 12. Nc3 Qb8 $146 ({Predecessor:} 12... Rfd8 13. Rac1 Qb8 14. h3 Nf8 15. Qf1 Ng6 16. Nd2 d5 17. cxd5 exd5 {0-1 (47) Lehmitz,G-Goldberg,A (2365) Dresden 1993}) 13. Ne1 d5 14. cxd5 exd5 15. d4 Qa8 16. Rac1 Rfe8 17. Qd3 c4 18. Qb1 cxb3 19. axb3 Bc6 20. Nd3 Bd6 21. Qa2 a5 22. Ba3 Bxa3 23. Qxa3 b5 {[#] Threatens to win with ...b4.} 24. Qa2 Ne4 (24... b4 $11 25. Na4 Ne4) 25. Bh3 Ng5 26. Bg4 Nf6 (26... Rcd8 $14) 27. Bxc8 $18 Qxc8 28. Qe2 {Black must now prevent Ne5.} Nh3+ $2 (28... b4 $16 {might work better.}) 29. Kg2 Ng5 30. Nf4 Bd7 $2 {[#]} (30... Qb7 31. h4 Ne6 32. Nxe6 fxe6) 31. Ne4 $1 {[%mdl 512]} dxe4 32. Rxc8 Rxc8 33. Qb2 Bg4 34. Rc1 {White is clearly winning.} Bf3+ 35. Kg1 Rf8 36. Rc5 h6 37. h3 Bd1 38. Qb1 Bh5 39. Qc1 a4 40. bxa4 bxa4 41. Rc8 Rxc8 42. Qxc8+ Kh7 43. Qc2 a3 44. Qb3 Nf3+ 45. Kh1 Nd2 46. Qa2 {Precision: White = 70%, Black = 40%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Kaidanov, Gregory S"]
[Black "Umetsubo, Cesar Hidemitsu"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2550"]
[BlackElo "2381"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,59,15,10,0,0,0,0,17,10,57,56,0,43,47,41,39,22,29,16,242,230,204,221,235,191,172,173,177,170,153,126,352,340,350,346,343,333,325,319,367,357,730,255]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. e3 d5 5. d4 Nc6 6. cxd5 exd5 7. Bb5 cxd4 8. Nxd4 Bd7 9. O-O Bd6 {D32: Tarrasch Defence: Sidelines and lines without g3} 10. Be2 {LiveBook: 7 Games} O-O 11. Ndb5 Be5 {The position is equal.} (11... Bf5 12. Nxd6 Qxd6 13. Nb5 Qe5 14. Nd4 Nxd4 15. exd4 Qd6 16. Qb3 Rfe8 17. Be3 {½-½ (40) Jakovenko,D (2742)-Dominguez Perez,L (2729) Sochi 2015}) 12. Nxd5 Be6 $146 ({Predecessor:} 12... Nxd5 13. Qxd5 Be6 14. Qc5 Qa5 15. Qc2 Rfd8 16. Nc3 Nb4 17. Qb1 Rac8 18. a3 Nd5 19. Bd2 Nxc3 20. Bxc3 Bxc3 21. bxc3 Rxc3 22. Qxb7 {½-½ (22) Baumegger,S (2434)-Hoelzl,F (2353) Tweng 2007}) 13. Nf4 Qb8 14. Nxe6 Bxh2+ 15. Kh1 fxe6 16. f4 Bg3 17. Bc4 $36 {[%mdl 2048] Threatens to win with Qf3. Black is under pressure.} Qe8 $1 {aiming for ...Ne4.} 18. Nc7 Qg6 $2 (18... Qe7 $1 $11 {and Black is okay.} 19. Nxa8 Na5) 19. Bxe6+ $18 Kh8 {Hoping for ...Rad8.} 20. Nxa8 Rxa8 21. Bh3 Rd8 {[#]} 22. Qf3 $1 Ne4 {intending ...Nb4.} 23. f5 Qe8 24. f6 gxf6 $2 (24... Qg6 $16 {was worth a try.}) 25. Bf5 Ne5 26. Qxe4 Rd1 {[%cal Rd1f1]} 27. Bd2 $1 Rxd2 28. Qxb7 {[%csl Gf5][%cal Rb7h7]} Qh5+ 29. Bh3 Nd3 $2 (29... Qf7 30. Qxf7 Nxf7 31. Rxf6 Ng5 32. Rf8+ Kg7) 30. Qc8+ $2 {Precision: White = 88%, Black = 31%.} (30. Qe7 {[%cal Re7f8]} Qg6 {[#]} 31. Rac1 $1 {[%mdl 512]} Nxc1 32. Rxc1) 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Morovic Fernandez, Ivan"]
[Black "Alzate, Dario"]
[Result "1-0"]
[ECO "C97"]
[WhiteElo "2537"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,75,62,0,27,27,37,37,37,39,105,99,88,89,102,100,223,227,291,285,281,284,287,276,412,370,623,621,650,649,650,652,640,635,625,623,706,704,725,716,670,680,1518,1280,2527,2337,29985,29986]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 cxd4 14. cxd4 Rac8 15. Ne3 Nc6 16. Bb3 (16. d5 $1 $14 Nb4 17. Bb1) 16... Na5 {C99: Closed Ruy Lopez: Chigorin Defence: 11 d4 Qc7 12 Nbd2 cxd4} 17. Nd5 Nxd5 18. Bxd5 Bc6 {White is slightly better.} (18... exd4 19. b3 Nc6 20. Bb2 Bf6 21. Rc1 Qd8 22. Bxc6 Rxc6 23. Bxd4 Re8 24. Qd3 Bxd4 25. Qxd4 {1-0 (51) Bologan,V (2689)-Howell,D (2614) Kallithea 2009}) 19. b3 exd4 $146 (19... Bxd5 $14 20. exd5 f6) ({Predecessor:} 19... Bxd5 20. exd5 f6 21. Bd2 Nb7 22. Qe2 Qd7 23. a4 Rc2 24. axb5 axb5 {1-0 (55) Shyam,S (2424)-Thakur,A (2308) Mumbai 2009}) 20. Nxd4 $16 Bxd5 21. exd5 Bf6 22. Be3 Qb7 {[#]} (22... Nb7 $16) 23. Nf5 $1 $18 {[%cal Rf5d6]} Bxa1 24. Qxa1 {[%csl Gf5][%cal Ra1g7]} (24. Nxd6 Qc7 $11) 24... f6 {With the idea ...Qd7.} 25. Bd2 ({Not} 25. Nxd6 Qxd5 26. Rd1 (26. Nxc8 Rxc8 27. Rd1 Qe4 $14) 26... Qe5 $14) 25... b4 26. Qd4 (26. Nxd6 Qxd5 27. Nxc8 Qxd2 $16) 26... Rc7 (26... Qd7 $142) 27. Nxd6 Qa8 $2 (27... Qb8 28. Nf5 (28. Bxb4 Nc4 $18) 28... Rb7) 28. Bxb4 Rd7 29. Nf5 Nc6 30. Qg4 ({Stronger than} 30. dxc6 Rxd4 31. Nxd4 Rc8 $15) 30... Nxb4 31. Ne7+ ({Weaker is} 31. Qxb4 Qb8 $16) 31... Kh8 {[#] And now ...Qb7 would win.} 32. Qxd7 Rd8 33. Qe6 Nd3 34. Re4 {Intending Ng6+! and mate.} Ne5 35. f4 Nd7 {intending ...Nc5.} 36. Nc6 Nc5 37. Qe7 Nxe4 38. Nxd8 {Precision: White = 100%, Black = 18%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Vera Siguenas, Deivy"]
[Black "Prasca Sosa, Rafael Felipe"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2526"]
[BlackElo "2400"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,69,14,16,63,58,74,73,68,64,63,63,79,73,69,73,79,58,75,75,76,81,77,76,89,49,87,74,107,95,111,64,73,74,77,86,87,82,118,104,108,66,155,151,140,141,152,-40,1055,989,29987,29988,29991,29992,29996,29997]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5][%mdl 32]} Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O Bc5 9. Nxc6 bxc6 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} (9... dxc6 10. Na4 Ba7 11. c4 e5 12. c5 Be6 13. Qc2 Rd8 14. Be3 Ng4 15. Bg5 Rd4 16. b3 f6 17. Bc1 h5 18. h3 {½-½ (71) Demchenko,A (2639)-Vitiugov,N (2734) Ekaterinburg 2013}) 10. Na4 Ba7 11. c4 d6 {White is better.} 12. c5 dxc5 13. Be3 O-O 14. Bxc5 Bxc5 15. Nxc5 e5 $146 ({Predecessor:} 15... Nd7 16. Rc1 Rb8 17. b3 {0-1 (39) Enders,P (2443)-Zwanzger,J (2353) Germany 2006}) 16. Rc1 Rd8 17. Qc2 Bg4 18. h3 Bh5 19. Qc3 a5 20. Rfe1 {[%cal Bf1e1,Be1e3,Be3d3,Bd3d6,Bd6d7][%mdl 32]} Re8 21. Re3 Bg6 22. Rd3 h5 23. Rcd1 h4 24. g4 Qb6 25. a3 a4 26. Rd6 Qb5 27. Bf1 Qb8 28. Bc4 {And now Qf3 would win.} Nxe4 (28... Kh7 $1 $14) 29. Nxe4 $16 Bxe4 30. Rd7 $36 {[%mdl 2048] Black is under strong pressure.} Bg6 {[#]} 31. R1d6 $2 (31. Qe3 $1 $16 {[%cal Re3g5]} e4 32. R7d6) 31... Kh7 $2 {[%mdl 8192]} (31... Ra7 $15) 32. Qd2 $18 {White wants to mate with Rxg6!} Ra7 {[#]} 33. Rxg6 $1 {[%mdl 512] White mates.} Rxd7 {[#]} (33... fxg6 34. Qg5) 34. Qg5 $1 {[%mdl 512]} Rd6 35. Bxf7 {Precision: White = 72%, Black = 21%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Hungaski, Robert Andrew"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2492"]
[BlackElo "2395"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,77,22,18,33,38,29,18,14,10,34,27,22,26,28,25,50,41,46,33,57,44,52,37,65,61,62,66,70,62,84,79,111,70,93,66,79,73,62,75,64,28,76,56,210,184,215,171,239,212,335,341,322,237,403,390,375,393,389,393,29986,29987,29988,29989,29988,1505,29990,29991,29994,29995]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. g3 Nf6 5. Bg2 Be7 (5... d6 6. O-O Be7 7. e3 O-O 8. d4 cxd4 9. exd4 Bg4 10. Ne2 e4 11. Nd2 Nxd4 12. f3 exf3 13. Nxf3 Nxf3+ 14. Bxf3 Bxf3 15. Rxf3 Rc8 {0-1 (33) Ruck,R (2561)-Saric,I (2652) Tallinn 2016}) 6. d3 {LiveBook: 4 Games. A34: Symmetrical English: 2 Nc3, lines with ...d5} h6 7. Nd2 d6 8. a3 {White has an edge.} O-O 9. Rb1 a5 10. O-O Bg4 11. h3 $146 ({Predecessor:} 11. b3 Qd7 12. Nde4 Rab8 13. Nxf6+ Bxf6 14. Qd2 h5 15. f3 Be6 16. Qe1 {½-½ (47) Tseng,W (2399)-Pecka,J (2398) ICCF email 2013}) 11... Bh5 12. Qa4 Qc8 13. e3 Nd7 14. Nd5 $36 {[%mdl 2048] White has some pressure.} Bd8 {Black wants to play ...Be2.} 15. Qc2 f5 16. f4 Nf6 17. b3 Bf7 18. Bb2 Rb8 19. Kh2 Be6 20. Rbe1 b5 21. Ba1 Kh8 22. Qd1 a4 23. bxa4 bxc4 24. dxc4 e4 25. Nc3 (25. g4 $5) 25... Qa6 26. Nb5 Ra8 $2 {[#]} (26... Na5 $14) 27. g4 $1 $18 {[%cal Rg4f5] gxf5 is the strong threat.} (27. Nxd6 Na5 $14) 27... fxg4 28. Nxe4 ({Stronger than} 28. Nxd6 gxh3 29. Bxh3 Bxh3 $14) 28... Bxc4 (28... gxh3 $142 29. Bf3 (29. Qxd6 hxg2 30. Rg1 Bg8 $17) 29... Bxc4) 29. Rg1 {Hoping for Nxf6.} g3+ (29... gxh3 {was necessary.} 30. Bxh3 Qxa4) 30. Nxg3 d5 31. Nd6 Ne7 $2 (31... Ra7 32. Nxc4 Qxc4) 32. Nxc4 Qxc4 33. Nh5 Qxa4 {[#]} 34. Nxg7 $1 {[%mdl 512]} Kxg7 $2 (34... Qxd1 $18 35. Rxd1 Kh7) 35. Bxd5+ Kh7 36. Qd3+ Kh8 37. Bxa8 (37. Rg6 $142 Qd4 38. exd4 Neg8 39. dxc5 Rxa3 40. Qxa3 Kh7 {[#]} 41. Rg7+ $3 {[%mdl 512]} Kh8 42. Qg3 Ng4+ 43. Rxg4+ Nf6 44. Rg8+ Rxg8 45. Qxg8#) 37... Qxa8 38. Qd6 Qc6 39. Bxf6+ {Precision: White = 84%, Black = 39%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Tang, Andrew"]
[Black "Valenzuela Gomez, Fernando"]
[Result "1-0"]
[ECO "E83"]
[WhiteElo "2461"]
[BlackElo "2377"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,99,43,42,58,16,33,22,32,32,26,0,0,-8,76,74,78,68,55,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,39,22,41,48,29,42,25,48,27,41,68,0,8,8,35,46,32,23,65,51,152,145,152,152,154,152,197,199,193,158,158,158,158,167,160,160,29982,29983,29983,29984,29984,29981,29981,29982,29982,29983,29979,29978,29975,583]} 1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 O-O 6. Nge2 Nc6 7. Be3 a6 8. Rb1 Bd7 {E83: King's Indian: Sämisch Panno (6...Nc6): Lines without either Nge2 or Qd2} 9. Qd2 {LiveBook: 4 Games} e6 $146 ({Predecessor:} 9... b5 10. cxb5 axb5 11. b4 Qb8 12. d5 Ne5 13. Nd4 c6 14. dxc6 Nxc6 15. Ndxb5 Rc8 16. Be2 Ne5 {0-1 (56) Sethuraman,S (2640)-Guseinov,G (2634) Berlin 2015}) 10. g4 h5 {The position is equal.} 11. g5 Nh7 12. h4 f6 13. Bg2 fxg5 14. hxg5 b5 (14... e5 $11) 15. cxb5 $16 axb5 16. Nxb5 e5 17. dxe5 ({Better is} 17. d5 $1 $14 Na5 18. Na3) 17... Nxe5 $11 18. f4 $1 {[%cal Rf4e5]} Bxb5 19. Qd5+ Kh8 20. Qxb5 Rb8 21. Qd5 c6 $1 {[%cal Rc6d5]} 22. Qd1 Qa5+ 23. b4 Rxb4 24. O-O Ng4 25. Rxb4 Nxe3 26. Qa4 $1 {[%cal Ra4a5]} Qc5 {[#] White must now prevent ...Nc2+.} 27. Rc1 Nc2+ $1 28. Kh1 Qxb4 29. Qxc2 Qb6 30. Rf1 $36 {[%mdl 2048] And now e5 would win. White is more active.} ({Inferior is} 30. Qxc6 Qf2 $17) 30... Nxg5 31. Qd3 (31. e5 $14 Qe3 32. fxg5 Rxf1+ 33. Bxf1) 31... Nf7 32. e5 Nxe5 33. fxe5 {aiming for Rxf8+.} Rxf1+ 34. Bxf1 {Nf4 is the strong threat.} Qf2 35. Ng1 $1 {[%cal Rg1h3] Strongly threatening Nh3.} dxe5 (35... Bxe5 $14 36. Nf3 Kg7) 36. Bg2 $16 Qxa2 37. Qxg6 Qf2 38. Nf3 ({Don't do} 38. Qxc6 Qh4+ 39. Nh3 Bf6) (38. Qxh5+ Kg8 $18) 38... Kg8 39. Qe6+ (39. Qxh5 Qe3 $18) 39... Kf8 40. Qf5+ ({Don't play} 40. Qxc6 Qg3 $18) 40... Ke7 41. Bh3 {White threatens Qe6+ and mate.} Qe3 42. Qd7+ Kf8 43. Qd6+ Kg8 $2 {[#]} (43... Kf7 $16) 44. Be6+ {White mates.} Kh7 45. Bf5+ Kg8 46. Qe6+ Kf8 47. Qc8+ Kf7 48. Qd7+ Kf8 49. Qd8+ Kf7 50. Ng5+ {Precision: White = 75%, Black = 56%.} 1-0

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Valderrama Quiceno, Esteban Alb"]
[Black "Garcia Pantoja, Roberto"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2413"]
[BlackElo "2500"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,88,22,27,33,17,0,12,-6,14,-10,-3,-23,-7,-10,6,5,13,-17,5,5,5,5,5,0,20,11,7,10,25,0,0,0,0,1,12,2,2,0,0,0,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Ne5 Qd6 8. Nxc4 {E05: Open Catalan: 5 Nf3 Be7} (8. Na3 Nbd7 9. Naxc4 Qa6 10. b3 Nd5 11. Bb2 Rd8 12. Qc2 Nb4 13. Qe4 Rb8 14. a3 Nd5 15. Qc2 N5b6 {1-0 (36) Khismatullin,D (2609)-Alekseenko,K (2570) Sochi 2016}) 8... Qa6 9. Qb3 Nc6 10. e3 b5 11. Nca3 Rb8 12. Bd2 $146 ({Predecessor:} 12. Qc2 Bb7 13. Bd2 Rfc8 14. Rc1 Nd8 15. Bf1 Ba8 {0-1 (30) Zwaneveld,A (1838)-Dibley,E (2026) IECG email 2002}) 12... Bd7 13. Rc1 Rfc8 14. Qd3 Qb6 15. Be1 Nb4 16. Bxb4 Bxb4 17. Nc2 Bd6 18. b4 e5 19. Nd2 exd4 20. exd4 Bc6 21. Bxc6 Qxc6 {The position is equal.} 22. a3 Re8 23. Ne3 Qd7 24. Kg2 g6 25. Qc2 Ra8 26. Nb3 Ng4 27. Re1 Nxe3+ 28. fxe3 f5 29. Na5 a6 30. Rac1 Re4 31. Qc6 Qxc6 32. Rxc6 Rae8 33. Nb7 Rxe3 34. Rxe3 Rxe3 35. Nxd6 cxd6 36. Rxa6 $11 {[%mdl 4096] Endgame KR-KR} Kf7 37. Rxd6 Rxa3 38. Rb6 Rd3 39. Rxb5 Rd2+ 40. Kg1 Kf6 41. Rb7 h5 42. Rb6+ Kf7 43. Rb7+ Ke6 44. Rb6+ Kf7 {Precision: White = 75%, Black = 74%.} 1/2-1/2

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Valdes Romero, Leonardo"]
[Black "Ortiz Suarez, Isan Reynaldo"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2407"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,20,25,38,31,30]} 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O c5 5. c4 g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 O-O 9. Qh4 d6 10. Rd1 {A30: Symmetrical English: Double Fianchetto and Hedgehog} (10. Bh6 Nbd7 11. Rfd1 Rc8 12. b3 Rc5 13. Ng5 Bxg2 14. Kxg2 Re8 15. Bxg7 Kxg7 16. Nge4 Qa8 {½-½ (16) So,W (2674)-Svidler,P (2734) Amsterdam 2010}) 10... Nbd7 {Predecessor:} 11. Bh6 $146 Re8 12. Bxg7 Kxg7 13. Rac1 Rc8 14. b3 Rc5 15. Qd4 Qa8 16. h3 Rec8 17. Qe3 Ne5 18. Ne1 Bxg2 19. Nxg2 Qb7 20. Nf4 a6 21. a4 {0-1 (34) Haria,R (2382)-Hjartarson,J (2540) chess.com INT 2017} 1/2-1/2

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Fernandez Reyes, Lisandro"]
[Black "Arenas, David"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "2402"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,91,45,50,51,55,66,35,41,32,34,24,20,21,54,54,54,52,53,43,43,47,54,33,35,17,47,8,52,47,93,68,95,95,89,89,83,86,99,9,9,9,13,16,49,0,16,16,16,16,18,5,9,12,57,67,59,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,-8,0,-8,0,0,0,-8,-8,-12,0,-533,0,-119]} 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. d5 Nd7 6. Bd3 Nc5 {A42: Modern Defence: Averbakh Variation} 7. Bc2 a5 8. h3 Ne7 {White is slightly better.} 9. Be3 $146 ({Predecessor:} 9. Nge2 f5 10. exf5 Nxf5 11. O-O O-O 12. Ne4 Nxe4 13. Bxe4 Qh4 14. Qd3 {½-½ (44) Parkhov,Y (2162)-Kobo,O (2497) Kiryat Ono 2016}) 9... b6 10. Nf3 O-O 11. g4 f5 12. gxf5 gxf5 13. Rg1 f4 14. Bxc5 $1 bxc5 15. Ba4 Rf6 16. h4 Rg6 17. Kd2 Rb8 18. b3 (18. h5 $5 {[%cal Rh5g6]} Rh6 19. Kc2 $15) 18... Bf6 19. Ng5 (19. h5 $5 {[%cal Rh5g6]} Rxg1 20. Qxg1+ Kh8 21. Qh1 $14) 19... Bxg5 20. hxg5 Rg7 21. Qh5 Ng6 22. f3 Bd7 23. Bxd7 Qxd7 24. Qg4 (24. Rh1 $16) 24... Qxg4 $11 25. Rxg4 Kf7 26. Nb5 Ke8 27. a3 Ra8 28. Kc3 Kd7 29. Rh1 Rag8 30. b4 axb4+ 31. axb4 Nh8 32. bxc5 dxc5 33. Rgh4 ({White should try} 33. Na7 $14) 33... Nf7 34. Ra1 Nxg5 35. Ra7 Rc8 36. Rh6 Rg6 37. Rxg6 hxg6 {[%mdl 4096] Endgame KRN-KRN} 38. Ra6 Nxf3 {Hoping for ...g5.} 39. Rxg6 {[#] Black must now prevent Rg7+.} Re8 40. Rc6 Rc8 41. Rg6 {And now Rg7+ would win.} Re8 42. Rc6 Rc8 43. Rxc5 Ng5 44. Kd3 Nf7 (44... f3 $5 45. Rc6 $8 Rf8 46. Rxc7+ Kd8 $11) 45. Kc3 $2 {[%mdl 8192] [#]} (45. Rc6 $11) 45... Ng5 $2 (45... f3 $1 $19 {[%cal Rf3f2]} 46. Rc6 Nd6 47. Nxd6 f2 48. Nxc8 f1=Q) 46. Rc6 {Precision: White = 55%, Black = 58%.} (46. Kd3 $11 {was the only way to keep the balance.}) 1/2-1/2

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Garcia, Gildardo"]
[Black "Vasquez Schroeder, Rodrigo"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "2396"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,56,26,29,-37,-5,-24,-35,-25,-34,-79,-67,-65,0,0,0,-14,0,-8,0,0,0,0,0,-212,-229,-251,-218,-256,-166,-211,-209,-723,-714,-689,-726]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. O-O-O b5 10. Bd3 Bb7 11. Rhe1 Qb6 12. Bxf6 Nxf6 {LiveBook: 8 Games} 13. g4 {B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7} ({White should try} 13. f5 $11) (13. f5 b4 14. Nce2 e5 15. Nb3 h5 16. Kb1 Be7 17. Nd2 Rc8 18. Nc4 Rxc4 19. Bxc4 Bxe4 20. Qb3 O-O {½-½ (39) Jakovenko,D (2735)-Gelfand,B (2731) Ashdod 2015}) 13... O-O-O {[#]} (13... Nd7 $5 {[%cal Rb6d4]} 14. Nce2 g6 $15) 14. g5 $146 {[%cal Rd3b5]} ({Predecessor:} 14. Nb3 d5 15. g5 dxe4 16. Bxe4 Rxd1+ 17. Rxd1 Nxe4 18. Nxe4 Bd5 19. Qd3 Qc7 20. Qe3 Be7 {0-1 (45) Li,S (2552)-Xiu,D (2289) Shandong 2007}) 14... Qxd4 15. gxf6 {Black is slightly better.} Qxf6 16. a4 {[#]} b4 $1 {[%cal Rb4c3]} 17. Ne2 g6 (17... g5 $15 18. Bxa6 Bxa6) 18. Qe3 $11 {And now Qa7 would win.} Bg7 19. c3 bxc3 20. bxc3 {aiming for Qa7.} Rd7 $36 {[%mdl 2048] Black has some pressure.} 21. Qa7 {[#]} Bxe4 $1 {[%mdl 512]} 22. Bxa6+ (22. Bxe4 Rxa7) 22... Kd8 23. Qb6+ $2 (23. Qe3 $1 $11 {and White has nothing to worry.} Bd5 24. a5) 23... Ke7 $19 24. Rd4 Qf5 25. Rc4 Ra8 26. Bc8 Qd5 27. Qb5 $2 (27. Rc7 Rxc8 28. Rxc8) 27... Rda7 {Hoping for ...Qxb5.} 28. Ba6 Qd3 {Precision: White = 29%, Black = 53%.} 0-1

[Event "XII Americas Continental-ch 2017"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Mendoza, Rafael"]
[Black "Shabalov, Alexander"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "2293"]
[BlackElo "2556"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "COL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,86,6,8,4,8,8,4,26,4,9,8,12,0,20,16,14,24,18,4,4,4,8,8,16,10,18,22,15,13,9,13,9,8,10,10,17,0,14,0,60,60,54,16,16,16,16,16,18,7,21,2,12,9,38,17,39,12,12,13,15,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Nc6 7. Bg2 Nxd4 8. Qxd4 Bg7 9. h3 O-O 10. Qd1 Be6 11. O-O Rc8 {B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3)} 12. Nd5 {LiveBook: 3 Games} b5 13. c3 {[#]} a5 $146 ({Predecessor:} 13... Nxd5 14. exd5 {½-½ (14) Sax,G (2506)-Balogh,C (2624) Nyiregyhaza 2008}) 14. Re1 Nd7 15. Qe2 Rb8 16. Bg5 Re8 17. Rad1 b4 18. cxb4 axb4 19. b3 Kf8 20. Rc1 Qa5 21. Be3 Bxd5 22. exd5 Bc3 23. Red1 Nf6 24. Rc2 Rbc8 25. Qd3 Rc7 26. Rdc1 Rec8 27. Kh2 Nd7 28. Qe2 Nf6 29. Qd3 h5 30. Kg1 Be5 (30... Ra8 $11) 31. Rxc7 $14 Rxc7 32. Rxc7 (32. Rc6 {keeps more tension.} Rb7 33. Rc8+ Kg7 34. Qc4 Qb5 35. Qc6) 32... Qxc7 33. Qc4 Qxc4 34. bxc4 $11 {[%mdl 4096] Endgame KBB-KBN} Nd7 35. Kf1 Bc3 36. f4 Ke8 37. Ke2 Kd8 38. Bf3 Kc7 39. g4 hxg4 {The position is equal.} 40. hxg4 Nc5 41. Bxc5 dxc5 42. Kd3 Bb2 43. Ke4 Kd6 {Precision: White = 55%, Black = 48%.} 1/2-1/2

