[Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.1"] [White "Korobov, Anton"] [Black "Checa, Nicolas"] [Result "1/2-1/2"] [ECO "D15"] [WhiteElo "2683"] [BlackElo "2527"] [Annotator "TA"] [PlyCount "171"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,171,1,30,-34,-31,-40,-8,-11,0,-2,5,-40,-41,-53,34,61,62,62,59,63,81, 73,67,67,68,-10,1,8,3,0,17,0,0,-12,14,-10,0,0,0,0,0,-19,-24,-25,-16,-16,-16, -70,-34,-34,-34,-34,-34,-55,-34,-34,-34,-34,-34,-34,-34,-34,-34,-34,-34,-34, -34,-34,-34,-34,-34,-52,-52,-52,-57,-52,-19,-19,-19,-19,-19,-19,-19,-19,-19, -19,-19,-19,-19,-25,-25,-87,0,-25,0,-25,-25,-25,-19,-19,-19,-19,-19,-19,-19, -19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-8,-19,-19,-59,-59,-59,-59,-59,-66, -67,-19,-75,-75,-75,-75,-75,-75,-75,-75,-75,-75,-128,-128,-128,-118,-118,-118, -118,-118,-118,-75,-75,-75,-75,-75,-75,-75,-75,-75,-75,-8,-75,-75,-75,-75,-75, -75,-75]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. Qc2 dxc4 6. a4 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} (6. e4 $11) 6... Bg4 $15 7. e3 Bxf3 8. gxf3 {The position is equal.} e6 9. Bxc4 c5 {[#]} 10. O-O $146 ({ Predecessor:} 10. dxc5 Bxc5 11. Bd2 Nc6 12. Rc1 Rc8 13. f4 Nb4 14. Qb3 Nd3+ 15. Bxd3 Qxd3 16. Qc2 Qxc2 17. Rxc2 Bb4 {1/2-1/2 (17) Bulajic,R (2284)-Ratkovic,M (2267) Stari Banovci 2013}) 10... cxd4 11. exd4 Nc6 (11... Qxd4 $15 12. Qb3 Qd7 ) 12. d5 $1 $14 {[%CAl Rd5c6]} exd5 13. Rd1 {[%CAl Rc3d5]} Nb4 14. Qb3 $1 { [%CAl Rc4d5]} Bc5 15. Nxd5 Nfxd5 16. Bxd5 Qe7 17. Bf4 ({White should try} 17. Bh6 $1 $14 Nxd5 18. Re1) 17... Nxd5 18. Rxd5 O-O 19. a5 h6 20. Kg2 Rad8 21. Rc1 Bd6 22. Be3 Bb8 23. Rcd1 Rxd5 24. Rxd5 {Hoping for Bc5.} Qc7 25. f4 Qc6 { aiming for ...Rd8.} 26. Kf1 Bc7 27. Qd3 Re8 28. Kg1 ({White should play} 28. Bd2 $11) 28... Re6 29. h3 Rd6 30. Rxd6 Qxd6 31. Qf5 Qe6 32. Qc5 Qc6 33. Qf5 Qg6+ 34. Qxg6 fxg6 $15 {[%mdl 4096] Endgame KB-KB} 35. Bd2 $1 Kf7 36. Kg2 Ke6 37. Kf3 Kf5 38. Bc3 h5 39. Bd2 $1 Bd6 40. Be3 Bb4 41. Bb6 Bd2 42. Bc7 Bc1 43. Be5 g5 {Threatening ...g4+.} 44. Bxg7 Bxf4 45. Bd4 Bd6 46. Bb6 Be5 47. b3 Bc3 48. Bd8 Bd4 49. Bc7 Bc5 50. Kg3 (50. Bd8 $11 {remains equal.}) 50... Bd4 (50... Ke4 $1 $17) 51. Kf3 $1 $11 Be5 52. Bb6 Bf4 53. Bd8 g4+ 54. hxg4+ hxg4+ 55. Ke2 Ke4 56. Bb6 Bg5 57. Bc5 Bd8 58. Bb4 Kd4 59. Be1 Be7 60. Bd2 Ba3 61. Be1 $1 { Cut Off at move 61} Bb2 62. Bd2 Bc3 63. Be3+ Ke4 64. Bb6 Bb4 65. Bd8 Kd4 { White must now prevent ...Kc3.} 66. Bf6+ $1 Kd5 $1 67. Bd8 Bc3 68. f3 (68. Bb6 $11) 68... gxf3+ $1 $17 69. Kxf3 Kc5 70. Be7+ Kd4 71. Ke2 {Strongly threatening Bf6+.} Bxa5 {Threatens to win with ...Kc3.} 72. Bf6+ Ke4 73. Kd1 { [#]} (73. Be7 $142) 73... Kd3 $1 74. Kc1 Bc3 75. Be7 Bd4 {...Kc3 is the strong threat.} 76. Bb4 b6 77. Kb1 a5 78. Be7 Kc3 79. Ka2 Be3 80. Bd8 Bc5 81. Bc7 {[#] } Kb4 $1 82. Bd8 Bd4 (82... Kb5 $17) 83. Bc7 (83. Be7+ $1 $11 Kb5 84. Bd8) 83... Kb5 {Black is better.} 84. Bd8 Bc3 85. Be7 Kc6 86. Kb1 {Weighted Error Value: White=0.10/Black=0.11} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.2"] [White "Cheparinov, Ivan"] [Black "Niemann, Hans Moke"] [Result "1-0"] [ECO "D30"] [WhiteElo "2688"] [BlackElo "2472"] [Annotator "Shahid"] [PlyCount "186"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,186,16,27,27,27,27,31,24,21,26,31,31,32,26,23,26,27,25,32,20,29,22,27, 25,26,23,30,17,16,14,57,33,68,43,43,6,1,0,0,0,0,0,35,46,28,31,46,31,33,31,30, 34,77,64,83,0,0,0,56,-8,-5,-76,-87,-85,-80,-87,-85,-119,-75,-78,12,0,0,0,0,0,0, 0,29,44,279,279,271,271,295,279,295,284,278,273,303,303,345,341,357,357,357, 357,357,336,329,288,288,263,263,242,201,201,333,270,387,350,270,269,252,0,243, 248,426,406,477,445,1122,1165,1122,1131,1141,1154,1151,1143,1131,1131,1106, 1090,1111,1047,1047,1029,782,930,2367,857,592,0,2346,2291,2120,1970,1606,1157, 29964,29966,29968,29969,29969,29969,29972,29973,29974,29975,29975,29976,29973, 29977,29977,29978,29975,29974,29974,29975,29975,29976,29976,29977,29976,29977, 29977,29978,29989]} 1. d4 d5 2. c4 e6 3. Nf3 a6 4. cxd5 exd5 5. Nc3 Nf6 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4.} Be6 7. e3 Nbd7 8. h3 {White is slightly better.} Bd6 9. Bd3 c6 10. Bf4 Qb8 11. Bxd6 Qxd6 12. O-O O-O 13. Rc1 a5 14. Qc2 g6 15. Rfe1 Rfe8 16. a3 {[#]} Nb6 $146 ({Predecessor:} 16... Rac8 17. Na4 Ne4 18. Bxe4 dxe4 19. Nd2 f5 20. Nc5 Nxc5 21. Qxc5 Qxc5 22. Rxc5 b6 {0-1 (62) Giri, A (2764)-Carlsen,M (2863) chess24.com INT 2020}) 17. Ne5 Nfd7 18. f4 f6 19. Nf3 Bf7 20. f5 {[%CAl Rf5g6]} Kg7 21. Qf2 Re7 22. Ne2 g5 23. Ng3 Rae8 24. Rcd1 h6 25. h4 g4 26. Nh2 h5 27. Nhf1 c5 28. Ne2 cxd4 29. Nxd4 Nc5 30. Ng3 Nxd3 31. Rxd3 Re5 32. Nde2 (32. Ne6+ $16 Bxe6 (32... Kh7 33. Nf4) 33. Nxh5+ Kf7 (33... Kh6 $4 34. Nxf6 $18) 34. fxe6+ Qxe6) 32... Nc4 {[%CAl Re5e3]} 33. Nf4 Qc5 ({ Better is} 33... Qb6 $1 $11) 34. b3 (34. Rc1 $14) 34... Nxe3 $11 35. Ne6+ (35. Nfxh5+ $11 Bxh5 36. Nxh5+ Kf7 37. Ng3) 35... Bxe6 $17 36. Nxh5+ Kf7 37. Rexe3 Rxf5 38. Nf4 Qc1+ (38... a4 39. Kh2 (39. bxa4 Qc4 40. g3 d4 $19) 39... Bd7 $19) 39. Kh2 Rg8 (39... Qxa3 $17 40. g3 Qd6) 40. Qg3 {Rc3 is the strong threat.} Rxf4 $1 41. Rc3 $1 {[%CAl Rc3c1]} (41. Qxf4 $2 {is the wrong capture.} g3+ $1 { [%mdl 512]} 42. Qxg3 Rxg3 $19) 41... Qf1 42. Rc7+ Kg6 43. Rxe6 {And now Rc2 would win.} Rd4 44. Rxb7 Qf5 $2 (44... Qf4 $14) 45. Rbb6 $1 $18 {Black must now prevent Re5.} (45. Qc7 g3+ 46. Qxg3+ Rg4 $17) 45... Rf8 46. Re5 $1 { [%CAl Re5f5]} Qf4 47. Qxf4 $1 Rxf4 48. Rxd5 {[%mdl 4096] Endgame KRR-KRR} a4 49. Kg3 Re4 {[#]} 50. Rg5+ $1 Kh6 51. Rxg4 Re3+ 52. Kf2 Rxb3 53. Rxb3 axb3 { KR-KR} 54. Rb4 Kh5 55. Kg3 ({Not} 55. Rxb3 Kxh4 56. Kf3 Kg5 $16) 55... Ra8 56. Rxb3 Ra4 57. Rf3 Kg6 58. Kh3 f5 (58... Ra8 $142 59. g4 Ra4 60. h5+ Kg7) 59. g3 Ra5 (59... Kf6 {was worth a try.} 60. Rd3 Kf7) 60. Kg2 Ra4 61. Rb3 {Cut Off at move 61} Kh6 62. Rf3 Kg6 63. Kf2 Ra5 $2 (63... Kf6 {is a better defense.} 64. Ke1 Kg6) 64. Ke2 Kh5 65. a4 Kg4 (65... Rxa4 $142 66. Rxf5+ Kg6) 66. Ra3 f4 67. gxf4 Kxf4 68. Kd3 Ke5 69. Kc4 Kd6 70. Rd3+ Kc6 71. Kb4 Rh5 72. Rd4 Kb6 73. Kc4 Kc6 74. Kd3 Kc5 75. Rc4+ (75. Ke3 $142 Rh8 76. Rg4) 75... Kd6 76. Rd4+ (76. Kc3 $142 Ra5 77. Kb4) 76... Kc5 $1 77. Ke3 Rh8 78. a5 Kb5 79. Kf3 Kxa5 80. Kg4 { White mates.} Kb6 81. h5 Kc5 82. Rd7 Kc6 83. Rg7 Kd6 {[#]} 84. Kg5 $1 Re8 85. h6 Re5+ 86. Kg6 Re6+ 87. Kh5 Re1 88. h7 Rh1+ 89. Kg6 Ke6 90. Ra7 Rg1+ 91. Kh6 Rh1+ 92. Kg7 Rg1+ 93. Kf8 Kd5 {Weighted Error Value: White=0.08/Black=0.23} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.3"] [White "Moussard, Jules"] [Black "Nevednichy, Vladislav"] [Result "1-0"] [ECO "B42"] [WhiteElo "2626"] [BlackElo "2546"] [Annotator "Shahid"] [PlyCount "79"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,79,37,35,39,35,29,41,36,28,30,30,37,35,7,47,20,46,24,43,34,38,39,62, 81,143,175,173,145,147,159,153,91,152,140,340,331,566,360,331,331,464,443,462, 389,412,433,417,416,426,404,625,575,560,564,827,820,808,797,769,772,931,931, 4978,2185]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qe2 Nc6 8. Be3 d6 9. O-O Nf6 10. c4 {B42: Sicilian: Kan Variation: 5 Bd3.} Bxe3 11. Qxe3 e5 12. Nc3 {White is slightly better.} O-O 13. Rfd1 Be6 14. Be2 Qb8 15. Rd2 Rd8 16. Rad1 {[#]} h6 $146 ({Predecessor:} 16... b6 17. Nd5 Bxd5 18. exd5 Ne7 19. f4 exf4 20. Qxf4 Ng6 21. Qf5 Qc7 22. Nd4 Qc5 {0-1 (33) Cremer,J (2099)-Postler,R (2257) Germany 2012}) 17. h3 b6 18. Kh2 Ra7 19. g3 Kf8 20. f4 exf4 (20... b5 $142) 21. gxf4 $16 Re7 22. Qg3 (22. Rg1) 22... b5 23. Rg1 $36 { [%mdl 2048] White is on the roll.} g6 24. Qh4 ({White should try} 24. cxb5 axb5 25. Bxb5 Bxb3 26. Qh4 (26. axb3 Nxe4 27. Nxe4 Qxb5 $11) (26. Bxc6 Rc8 $16)) 24... Ng8 (24... Kg7 $142) 25. Nd5 Bxd5 $2 {Black cannot hold the game after this.} (25... bxc4 $16 {was necessary.} 26. Nxe7 (26. Bxc4 $2 Bxd5 27. exd5 Qb4 ) 26... Ncxe7) 26. cxd5 $18 Na7 $2 (26... Nb4 27. a3 Rxe4) 27. Bf3 Rde8 28. Nd4 Qd8 (28... Qb6 $142 29. f5 g5) 29. Rdg2 Rd7 30. Qxd8 Rdxd8 {[#]} 31. Ne6+ $1 { [%mdl 512]} Ke7 (31... fxe6 32. Rxg6) 32. Nxd8 (32. Rxg6 fxg6 (32... Nf6 33. Rg7) (32... fxe6 $4 33. Rg7+ Kf8 34. Bh5 $18) 33. Rxg6 Nc8 34. Rg7+ Kf6 35. Bh5 Rf8 36. Nxd8 Kxg7 37. Ne6+ Kf6 38. Nxf8 $18) 32... Kxd8 33. Rc1 h5 (33... Nf6 $142 34. Rgc2 Re7) 34. Rgc2 {White is clearly winning.} Re7 35. e5 Nh6 36. exd6 Rd7 37. Rc7 Rxc7 38. dxc7+ Kc8 39. d6 Nf5 {[#]} 40. Bb7+ $1 {[%mdl 576] Promotion. Weighted Error Value: White=0.21/Black=0.48} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.4"] [White "Fier, Alexandr"] [Black "Santos Latasa, Jaime"] [Result "1/2-1/2"] [ECO "C80"] [WhiteElo "2558"] [BlackElo "2600"] [Annotator "TA"] [PlyCount "75"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 24,75,38,27,29,34,22,28,29,22,21,23,36,7,33,0,0,8,13,14,24,14,57,27,22, 17,17,17,16,19,18,16,14,14,28,-71,-20,-20,-19,-25,-22,-27,0,-30,26,-60,56,62, 58,0,60,8,8,8]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 d4 11. Bxe6 Nxe6 12. cxd4 Ncxd4 13. a4 Bb4 {The modern move. C80: Open Ruy Lopez: Sidelines and 9 Nbd2.} 14. axb5 Nxb5 ({Much worse is} 14... axb5 $6 15. Rxa8 Qxa8 16. Nxd4 $16) 15. Nc4 O-O { White has an edge.} 16. Be3 {[#]} a5 $146 ({Predecessor:} 16... c5 17. Qb1 Nbd4 18. Qe4 f5 19. exf6 Qxf6 20. Nfe5 Qf5 21. Qxf5 Rxf5 22. g3 Nc2 {1-0 (64) Robson,N (2540)-Duliba,E (2538) ICCF email 2011}) 17. Qc2 Qd5 18. Rfc1 h6 19. Qf5 Rfd8 20. Qg4 Kh8 21. h3 Qd3 22. Kh1 Kh7 23. Kh2 (23. Rd1 $5 Qg6 24. Qxg6+ Kxg6 25. Rxd8 Rxd8 26. g4 $14) 23... Qg6 24. Qxg6+ Kxg6 25. Rd1 Rxd1 26. Rxd1 a4 27. Rd7 Rd8 28. Nh4+ Kh7 $1 29. Rxf7 (29. Rxd8 $1 $11 {was the only way to keep the balance.} Nxd8 30. f4) 29... Nbd4 (29... Kg8 $17 30. Rf3 Nbd4) 30. Nf5 $11 {[#] Strongly threatening Nxd4.} Nc2 {White must now prevent ...Kg6.} 31. Nxg7 Nxg7 32. Rxc7 Re8 33. f4 Re7 (33... Nxe3 $142 34. Nxe3 Bd2) 34. Rc8 (34. Rxe7 $11 Bxe7 35. Bb6) 34... Re8 (34... Nh5 $1 $15 35. Bc1 Be1) 35. Rxe8 $14 Nxe8 36. Bf2 (36. Bb6 $1 $14) 36... Nc7 (36... Ne1 $1 $11) 37. Nb6 ({White should play} 37. Kg3 $1 $14) 37... Ne6 $11 38. f5 {Weighted Error Value: White=0.19/Black=0.22} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.5"] [White "Narciso Dublan, Marc"] [Black "Lagarde, Maxime"] [Result "1/2-1/2"] [ECO "E92"] [WhiteElo "2492"] [BlackElo "2651"] [Annotator "TA"] [PlyCount "100"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 30,100,23,31,45,37,44,12,129,51,45,37,139,117,222,215,210,184,193,146, 177,129,131,125,104,112,110,105,101,112,113,104,115,110,103,56,64,9,22,0,0,-72, 0,0,0,0,0,0,0,-113,-7,-38,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Qe8 11. O-O Nh7 12. a3 Bd7 13. Kh1 h5 14. f3 Bh6 15. b3 Be3 16. Ra2 { is the legacy move (16.Rb1).} f5 {E92: King's Indian: Classical: 6 Be2 e5:7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} 17. exf5 gxf5 18. Qb1 {[#]} c5 $146 (18... Kh8 $11 {keeps the balance.}) ({Predecessor:} 18... Qg6 19. b4 Kh8 20. Nd1 Bh6 21. Bf2 Rg8 22. Rg1 Bf4 23. Ne3 h4 24. Bd3 Raf8 {1/2-1/2 (45) Zarnescu,M (2428)-Krzyzanowski,A (2347) ICCF email 2015}) 19. dxc6 (19. Na4 $16 ) 19... bxc6 $14 20. b4 Be6 (20... Rb8 $14) 21. Nb3 d5 (21... axb4 $16 { might work better.} 22. axb4 Qd7) 22. Nxa5 d4 23. Nd1 Bh6 24. Bd3 Nc5 25. bxc5 {Strongly threatening Nb7.} Rxa5 26. Re1 Bg7 27. Nf2 Qf7 28. Rb2 Rxa3 29. Rb7 Qg6 30. Be7 Rf7 31. Rb8+ Nf8 32. Bd6 Rfa7 33. g3 (33. Kg1 $14) 33... Ra2 $11 34. Kg2 {Hoping for Bxf8.} h4 $1 $36 {[%mdl 2048] Black has good play.} 35. Re2 (35. Rb2 $11 Rxb2 36. Qxb2) 35... Rxe2 ({Better is} 35... Ra1 $17 36. Qb2 e4 $1 {[%mdl 512]} 37. Bxf8 Bxf8 38. fxe4 f4 39. Rxf8+ {[%mdl 64] Decoy} Kxf8 40. Qb8+ Kg7 41. Qe5+ Qf6 42. Qxf6+ Kxf6 43. gxf4 Rg7+ 44. Kf3 Ra3) 36. Bxe2 hxg3 37. hxg3 {Threatens to win with Bxf8.} Rf7 38. Nd3 f4 39. Qe1 {[#]} (39. g4 $11 {remains equal.}) 39... Qg5 (39... Bf5 $1 $17 {[%CAl Rf5d3]} 40. Nxe5 Bxe5 41. Bxe5 Qh5) 40. Bf1 {[%CAl Rd3e5]} (40. Re8 {seems wilder.} Bd7 41. Ra8 fxg3 42. Qxg3 Qe3 43. Bf1) 40... Bxc4 {And now ...fxg3 would win.} (40... Ra7 {is interesting.} 41. g4 Bxg4 42. fxg4 Qxg4+ 43. Kh2 Ra2+) 41. Nxe5 {The position is equal.} Bxf1+ 42. Kxf1 Bxe5 $1 43. Qxe5 Qxe5 44. Bxe5 fxg3 45. Bxd4 Rxf3+ $15 {KRB-KRN} 46. Kg2 Rd3 47. Be5 Kf7 48. Bxg3 Ne6 49. Rc8 Rd2+ 50. Kf1 Nxc5 { Blacks defense is rewarded with a draw. Accuracy: White = 67%, Black = 69%.} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.6"] [White "Lever, Erwan"] [Black "Santos Ruiz, Miguel"] [Result "1/2-1/2"] [ECO "A62"] [WhiteElo "2200"] [BlackElo "2581"] [Annotator "TA"] [PlyCount "89"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,89,21,16,15,-16,-10,-14,31,35,58,52,46,0,0,0,42,23,18,18,19,0,0,0,0, 0,0,0,0,0,0,0,0,-40,-38,-41,-54,-78,-73,-89,-89,-79,-78,-81,-53,-207,-215,-196, -195,-341,-277,-341,-117,-135,-92,-209,-232,-1171,-114,-103,0,0,0,0,0,0,0,0,0, 0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 g6 6. Nc3 d6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Bf4 Bf5 $1 {[%mdl 4] now scores much better than the old 10...a6. A62: Modern Benoni: Fianchetto Variation without early ... Nbd7.} 11. Nd2 Nh5 12. Be3 Rxe3 13. fxe3 {[#]} Nd7 $146 {[%CAl Bb8d7,Bd7e5, Be5c4,Bc4e3][%mdl 32]} ({Predecessor:} 13... Qe7 14. e4 Bd4+ 15. Kh1 Bg4 16. Nf3 Bg7 17. Qd2 h6 18. e5 dxe5 19. d6 Qd7 {1-0 (35) Berdnyk,M (2324) -Beydullayeva,G (2263) chess.com INT 2020}) 14. e4 Bg4 $1 15. h3 Bd4+ 16. Kh2 Ne5 17. Nf3 (17. hxg4 Nxg4+ 18. Kh3 Qg5 19. Rxf7 Nf4+ $1 {[%mdl 512]} 20. gxf4 Nf2+ 21. Kh2 Qh4+ 22. Kg1 Nxd1+ 23. e3 Bxe3+ 24. Kf1 Qf2#) 17... Bxf3 18. exf3 Nc4 $1 {Threatens to win with ...Nxg3!} 19. Qc1 Ne3 {And now ...Nxg3! would win.} 20. Re1 Qg5 21. Ne2 Be5 $1 {[%CAl Re5g3]} 22. Kg1 {Threatening h4.} Nxg3 23. Nxg3 Bf4 $40 {[%mdl 128] Black is up to no good.} 24. h4 $1 {[%CAl Rh4g5]} Qh6 $1 25. Qd2 {Qe2 is the strong threat.} (25. Qc3 $5 {[%CAl Rg3e2]} Nxg2 26. Kxg2 Qxh4 27. Nf1 $11) 25... Nf1 26. Qxf4 $1 Qxf4 27. Nxf1 Qxh4 28. Ne3 Re8 { [%mdl 1024] Black has strong compensation.} 29. Nc4 Qf4 30. a4 h5 31. Kf2 $2 ( 31. Ra3 $15) 31... h4 $1 $19 32. Ke2 f5 33. Rg1 (33. Rh1 $142) 33... Qh2 (33... fxe4 34. fxe4 Qh2 35. Kd3 $19) 34. Kd3 h3 $2 (34... fxe4+ $19 {has better winning chances.} 35. fxe4 Qg3+ 36. Ne3 h3 37. Bxh3 c4+ $1 {[%mdl 512]} 38. Ke2 Qxh3 39. Rxg6+ Kf7) 35. Bh1 $17 Kf7 36. f4 (36. b3 $17 {was necessary.}) 36... Qxf4 $19 {[%CAl Rf5e4]} ({And not} 36... fxe4+ 37. Ke3 $11) 37. Raf1 $2 (37. Rgf1 Qg3+ 38. Kc2) 37... Qh2 $2 (37... h2 $19 {is more deadly.} 38. Nd2 hxg1=Q 39. Rxg1 Rxe4 $1 {[%mdl 512]} 40. Bxe4 fxe4+ 41. Nxe4 Qf3+ 42. Kd2 Qxe4 { [%mdl 64] Double Attack} 43. Rf1+ Kg7) 38. Bf3 $17 Kf6 {[#]} ({Black should try } 38... Re7 $17 {Hoping for ...Qf4.} 39. Bh5 Rxe4 40. Rxf5+ {[#]} Ke7 $1 { [%mdl 512]} 41. Rxg6 Rf4 42. Rg7+ Kd8 43. Rg8+ Ke7 44. Rg7+ Kd8 45. Rg8+ Ke7 46. Rg7+) 39. Bh5 $1 $11 {[%mdl 512] The position is equal.} Rxe4 ({Don't go for} 39... gxh5 $2 40. Rxf5+ Ke7 41. Rg7+ Kd8 42. Rff7 $18) 40. Rxg6+ Ke7 { Strongly threatening ...Rxc4!} 41. Rxf5 {Rg7+ would kill now.} Rf4 ({Don't blunder} 41... Rd4+ $2 42. Ke3 $18) 42. Rg7+ Kd8 43. Rg8+ Kc7 44. Rg7+ Kd8 ( 44... Kb8 $5 45. Rg8+ $8 Kc7 46. Rg7+ Kd8 47. Rg8+ Ke7 48. Rg7+ Kd8 $11) 45. Rg8+ {Whites escaped into a draw. Weighted Error Value: White=0.45/Black=0.28} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.7"] [White "Maze, Sebastien"] [Black "Dardha, Daniel"] [Result "1/2-1/2"] [ECO "B30"] [WhiteElo "2557"] [BlackElo "2487"] [Annotator "TA"] [PlyCount "64"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,64,24,37,33,31,0,33,28,44,3,45,43,47,10,39,23,32,42,64,47,41,41,37,57, 48,51,48,37,37,37,28,37,37,30,40,47,35,35,37,36,52,33,29,3,3,3,4,4,4,5,41,-6,7, 0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 g6 5. h3 Bg7 6. e5 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} Ng8 7. O-O Nh6 8. d4 {White is slightly better.} cxd4 {[#]} 9. Ne4 $146 ({Predecessor:} 9. Nxd4 Nxe5 10. Re1 Nc6 11. Nd5 O-O 12. Nxc6 dxc6 13. Nxe7+ Kh8 14. Nxc8 Rxc8 15. Bd3 {1-0 (58) Kriebel,T (2514)-Riha,V (2288) Ostrava 2019}) 9... O-O 10. Re1 ({Much worse is } 10. Nxd4 Nxe5 11. Ng3 d5 $15) 10... a6 11. Bf1 d6 12. exd6 $1 e5 13. c3 Nf5 14. cxd4 Ncxd4 15. Nxd4 Nxd4 16. Bg5 f6 17. Be3 Kh8 $1 18. Bxd4 exd4 19. Rc1 { [#] aiming for Rc7.} (19. Qxd4 $2 f5 $17) 19... f5 20. Ng5 Qxg5 21. Rc7 Bf6 { Hoping for ...Qf4.} 22. d7 {[#]} Bxd7 $1 23. Rxd7 b5 24. Re6 Rad8 25. Rxd8 Rxd8 26. Rxa6 d3 27. Bxd3 Bxb2 28. Qc2 Bd4 29. Bxb5 f4 30. Bc6 Kg7 {The position is equal.} 31. Ra8 Rxa8 32. Bxa8 Qa5 {Weighted Error Value: White=0.07/Black=0.08} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.8"] [White "Sochacki, Christophe"] [Black "Plat, Vojtech"] [Result "1-0"] [ECO "C41"] [WhiteElo "2469"] [BlackElo "2562"] [Annotator "TA"] [PlyCount "95"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,95,43,25,45,52,72,20,26,20,24,14,23,33,80,83,97,55,49,56,82,84,133, 133,125,143,166,162,169,171,241,98,111,110,113,104,123,132,131,137,249,252,486, 494,476,478,567,144,145,145,145,145,145,135,136,143,147,147,147,147,147,147, 147,147,147,147,147,147,147,147,147,147,29966,29967,29967,29968,29967,29968, 29970,29969,29971,29972,29972,29973,29972,29973,29968,29966]} 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 c6 {C41: Philidor Defence.} 7. Qd2 b5 {[%CAl Bb7b5,Bb5b4][%mdl 32]} 8. Bd3 (8. a3 $16) 8... O-O $11 {[#] The position is equal.} 9. O-O $146 ({Predecessor:} 9. f3 a6 10. O-O-O c5 11. Nf5 Bxf5 12. exf5 d5 13. Bg5 b4 14. Na4 c4 15. Be2 {0-1 (22) Straub,P (2086)-El Amari,K (2137) Gibraltar 2006}) 9... b4 10. Nce2 c5 11. Nf3 d5 12. exd5 Qxd5 13. c4 bxc3 14. Nxc3 Qb7 15. Rfe1 Rd8 16. Qc2 $1 Nc6 17. Ng5 Rd4 18. Bxh7+ Kf8 19. Be3 Rh4 (19... Rd8 $142 20. Nce4 Nb4) 20. Nce4 $40 {[%mdl 128] White attacks with force.} (20. Be4 $18 {and White stays clearly on top.}) 20... Nxh7 $16 21. Nxh7+ Kg8 {Threatens to win with ...Nb4.} (21... Rxh7 $2 22. Nxc5 Bf5 23. Qxf5 $18 (23. Nxb7 Bxc2 24. Rac1 Be4 $17)) 22. Nhg5 $1 Nb4 23. Qc4 Be6 {[#] } 24. Nf6+ $1 {[%mdl 576] Discovered Attack} gxf6 (24... Bxf6 $16 25. Qxh4 Bxg5 26. Qxg5 (26. Bxg5 Nc2 $16) 26... Nc2) 25. Qxh4 $18 {Qh7+ would kill now.} fxg5 $2 (25... Bf5 {might work better.} 26. Bxc5 fxg5 27. Rxe7 Qxe7) 26. Bxg5 Nd5 { and the idea ...Bf8 leaves Black hopeful.} 27. Rad1 Rb8 28. Rxd5 $2 (28. b3 $18 {has better winning chances.}) 28... Qxd5 $16 29. Bxe7 {White threatens Bf6 and mate.} Rb4 30. Qf6 {Hoping for h3.} Rg4 {[%csl Gg4][%CAl Rd5g2]} 31. g3 Rd4 {intending ...Rd1.} 32. Qg5+ ({Much worse is} 32. Qh6 $6 Rd1 $11) 32... Qxg5 33. Bxg5 Bxa2 {[%mdl 4096] Endgame KRB-KRB} 34. Be3 Rb4 35. Bxc5 Rxb2 36. Bxa7 Rb1 37. Rxb1 Bxb1 {KB-KB} 38. g4 Be4 39. h3 f5 40. Kh2 fxg4 $2 {[%mdl 8192] Black cannot hold the game after this.} (40... Kf7 $16) 41. hxg4 {White mates.} Kg7 42. Kg3 Kg6 {[#]} 43. f4 $1 Bc2 44. Bb6 Bb1 45. Bd8 Bc2 46. Kf2 Bd3 47. Ke3 Bc2 48. Kd4 {Weighted Error Value: White=0.28/Black=0.35} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.9"] [White "Flom, Gabriel"] [Black "Batsiashvili, Nino"] [Result "1/2-1/2"] [ECO "E48"] [WhiteElo "2499"] [BlackElo "2460"] [Annotator "TA"] [PlyCount "93"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,93,16,-14,0,-9,-4,-56,-15,-57,26,30,38,25,38,15,35,30,41,0,20,14,53, 14,96,87,111,106,130,128,143,130,157,119,119,118,124,100,193,197,174,107,127, 108,108,108,108,105,96,97,99,97,132,98,247,253,245,162,164,159,224,223,284,274, 283,260,277,247,245,150,165,165,150,66,66,66,80,0,66,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 Re8 8. O-O Bf8 9. f3 c5 { E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3.} 10. Kh1 Nc6 11. g4 (11. dxc5 $11 Bxc5 12. Nf4) 11... g6 {Black is slightly better.} 12. Rg1 {[#]} Bg7 $146 ({Better is} 12... h6 $15) ({Predecessor:} 12... a6 13. a4 b6 14. Qf1 Bg7 15. Qf2 Bb7 16. Bd2 Qd6 17. Rad1 Re7 18. Bc1 Rae8 {1/2-1/2 (26) Johansson,V (2188)-Welin,M (2286) Stockholm 2000}) 13. dxc5 $11 Nd7 14. Bc2 Nxc5 15. Nxd5 Be6 16. Nef4 Rc8 17. a3 a5 18. Rb1 a4 19. Nxe6 ( 19. b4 $5 {[%CAl Rb4c5]} axb3 20. Bxb3 $14) 19... Rxe6 (19... fxe6 $11 20. Nc3 Ne5) 20. e4 $16 Nd4 {[#]} 21. Rg2 $1 Rec6 22. Be3 Nxc2 23. Qxc2 Nb3 24. Qd3 Rc4 25. Rd1 b5 26. g5 Nc5 (26... Bd4 $16 27. Qe2 (27. Bxd4 $2 Rxd4 28. Qxd4 Nxd4 $19) 27... Qd6) 27. Qf1 Kh8 28. Nf6 ({White should play} 28. Bg1 $18) 28... Qe7 29. Rgd2 Bxf6 30. gxf6 $40 {[%mdl 128] White attacks with force.} Qxf6 {[#]} 31. Bd4 $1 {[%mdl 512]} Rxd4 32. Rxd4 Ne6 33. R4d2 Rc5 34. Qf2 Rh5 (34... Rc4 $16 35. Rf1 Nd4) 35. Rd5 $18 Rh4 36. Rxb5 Rxe4 37. Rb4 Re5 (37... Rf4 $16) 38. Rxa4 Rf5 39. Rf1 h5 40. Rc4 Kh7 41. b4 Ng5 {[%CAl Rf5f3]} 42. f4 {Threatens to win with b5.} Qa6 43. Qc2 Ne6 44. a4 (44. Qb3 $16) 44... Qa8+ $14 45. Kg1 { Strongly threatening b5.} Qa7+ 46. Kh1 {a5 is the strong threat.} Qa8+ 47. Kg1 {Weighted Error Value: White=0.21/Black=0.26} (47. Qe4 $14 Qxa4 48. Kg1) 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.10"] [White "Grigoryan, Karen H."] [Black "Vasquez Schroeder, Rodrigo"] [Result "1-0"] [ECO "E20"] [WhiteElo "2659"] [BlackElo "2441"] [Annotator "TA"] [PlyCount "75"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,75,25,31,14,31,32,21,26,31,13,20,16,11,5,13,0,0,-12,-24,-13,0,0,0, -24,-31,-35,0,0,0,0,24,0,0,0,35,-24,-10,-11,0,-16,-26,-7,79,91,455,466,462,361, 837,35,844,826,904,878,5365,772,752,466,29990,29991,29991,29992,29992,726]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 O-O 5. Bg2 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 { E21: Nimzo-Indian: 4 Nf3.} Bxc3 9. bxc3 Bxd5 10. Ba3 {The position is equal.} Re8 {[#]} 11. Rc1 $146 ({Predecessor:} 11. c4 Bxc4 12. Ng5 Bd5 13. e4 Bb7 14. Re1 h6 15. Nh3 Nbd7 16. Nf4 e5 17. dxe5 Nxe5 {1/2-1/2 (39) Nielsen,M (2390) -Morais,V ICCF corr 1988}) 11... Nbd7 12. c4 Be4 13. Qb3 c5 14. Rfd1 Qc7 15. d5 exd5 16. cxd5 Qd6 17. Bb2 a6 ({Don't play} 17... Bxd5 $6 18. Ne1 $14) (17... Nxd5 $2 18. Nh4 $18) 18. Nh4 Bxg2 19. Kxg2 Rxe2 {Strongly threatening ...Ng4.} 20. Nf5 Qc7 21. Kg1 Rae8 {[#]} 22. Ne7+ $1 {[%mdl 512]} Kf8 (22... R2xe7 23. d6 ) 23. d6 Qb7 24. Re1 (24. Bxf6 $14 Nxf6 25. Rxc5 $1 {[%mdl 576] Pin}) 24... Qe4 $11 25. Qc3 $1 b5 {White must now prevent ...b4.} 26. Rxe2 Qxe2 27. Re1 Qh5 ( 27... Qc4 $11 {keeps the balance.}) 28. Qe3 $1 $16 {Hoping for Bxf6.} Ra8 $2 { [%mdl 8192]} (28... Qh3 $16 {is a better chance.}) 29. Bxf6 $18 Nxf6 30. Nc6 Qh3 $2 (30... h6 31. d7 Nxd7) 31. Qe7+ $40 {[%mdl 128] White mounts an attack.} Kg8 32. Nd8 $1 {Threatening mate with Qe8+!} h6 33. Qxf7+ Kh8 {[#]} 34. Ne6 $1 {[%mdl 512]} Rg8 35. d7 Ng4 {[#]} (35... Nxd7 $18 36. Qxd7 Qf5) 36. Qxg8+ $1 { [%mdl 576] Remove Defender, Promotion. White mates.} Kxg8 37. d8=Q+ Kh7 38. Qh4 {Weighted Error Value: White=0.20/Black=0.62} (38. Nf8+ $142 Kh8 {[#]} 39. Nh7+ $1 {[%mdl 576] Decoy} Kxh7 40. Qd3+ Kg8 41. Qd5+ {[%mdl 64] Double Attack} Kf8 42. Qd8+ Kf7 43. Qe8+ Kf6 44. Re6+ {[%mdl 64] Double Attack} Kg5 45. Qg6#) 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.11"] [White "Vlachos, Anatole"] [Black "Cornette, Matthieu"] [Result "0-1"] [ECO "A03"] [WhiteElo "2413"] [BlackElo "2558"] [Annotator "TA"] [PlyCount "166"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,166,3,2,4,16,12,14,9,24,25,22,25,36,18,11,-4,-28,-17,-15,0,44,28,45, 45,45,44,37,44,47,48,36,33,52,8,3,6,10,6,10,14,20,23,23,0,15,-25,-36,-89,-32, -13,-13,-85,0,0,6,-140,-122,-169,-84,-213,-198,-247,-125,-113,-120,-114,-17, -14,0,-19,-18,-8,-6,-147,-6,-8,0,0,0,0,0,0,0,-81,-87,-93,-81,-93,-93,-93,-94, -347,-181,-440,-440,-444,-372,-392,-364,-832,-750,-735,-712,-5620,-773,-5110, -2912,-5069,-392,-5970,-627,-12845,-12851,-29946,-832,-29957,-29958,-29958, -29952,-29961,-29967,-29961,-29968,-29967,-12822,-29969,-29970,-29970,-29971, -29967,-29972,-29964,-29973,-4714,-29974,-29973,-29975,-29973,-29974,-29974, -29975,-29973,-29970,-29972,-29973,-29973,-29974,-29975,-29976,-29976,-29977, -29979,-29980,-29980,-29981,-29981,-29982,-29982,-29983]} 1. f4 d5 2. Nf3 Nh6 3. e3 g6 4. d4 Bg7 5. c4 dxc4 6. Bxc4 {A03: Bird's Opening with 1...d5.} c5 7. d5 O-O 8. O-O {The position is equal.} Nf5 {[#]} 9. e4 $146 ({Predecessor:} 9. Nc3 Nd6 10. Qe2 Nxc4 11. Qxc4 Nd7 12. Bd2 b5 13. Qxb5 Rb8 14. Qc4 Rxb2 15. Rab1 Rxb1 16. Rxb1 {1/2-1/2 (23) Greshnykh,M (2243)-Fagerstrom,B (2146) ICCF email 2008}) 9... Nd6 10. Bd3 c4 11. Bc2 Qb6+ {[%mdl 64] Double Attack} 12. Kh1 Bxb2 13. Bxb2 Qxb2 14. Nbd2 b5 (14... c3 $5 {[%CAl Rc3d2]} 15. Rb1 Qxa2 $15) 15. Rb1 Qa3 16. Nd4 Qe3 17. Nxb5 Nxb5 18. Rxb5 Ba6 19. Rf3 ({Inferior is} 19. Nxc4 Qc3 $17) 19... Qd4 20. Ra5 Rc8 21. Nb1 Qb6 22. Rfa3 Bb7 23. Nc3 a6 24. Qg1 Qc7 25. e5 Nd7 26. Qd4 Nc5 27. Qxc4 Qb6 {Threatens to win with ...Ne6.} 28. Qd4 ({ Better is} 28. Qf1 $15) 28... Qb2 (28... Nd7 $17 29. Qxb6 Nxb6) 29. Qd1 $15 ({ Don't blunder} 29. Rxc5 $2 Qxa3 30. Ne4 Rxc5 $19) 29... Qb4 30. Qd2 (30. f5 $1 $11) 30... Rc7 (30... Rd8 $1 $17 31. Ne4 Qxd2 32. Nxd2 Rac8) 31. h3 $11 Rd8 { Hoping for ...Rxd5!} 32. d6 (32. f5 $1 $11 {was the only way to keep the balance.}) 32... exd6 $1 $17 33. exd6 Ne6 (33... Qb6 $1 $19 {and Black stays clearly on top.} 34. Ne4 Nxe4 35. Bxe4 Rxd6) 34. f5 (34. R5a4 $17 {was forced.} Qc5 35. Be4) 34... Rxd6 $19 35. Qe3 Qf4 (35... Ng7 $19 36. Be4 Nxf5 37. Bxf5 gxf5) 36. Qxf4 $17 Nxf4 37. Be4 Bxe4 ({Black should try} 37... Rd2 $17 { aiming for ...Bxe4.} 38. Bxb7 Rxb7) 38. Nxe4 $11 Rd1+ 39. Kh2 {[#]} Rc2 $1 { [%csl Gf4][%CAl Rc2g2][%mdl 512]} 40. Rg3 Re1 $36 {[%mdl 2048] White is under pressure.} 41. Ra4 (41. Rc5 $11 {remains equal.} Ree2 42. Rxc2 Rxc2 43. a3) 41... Nh5 (41... Nd5 $17 {And now ...Ne3 would win.} 42. fxg6 hxg6) 42. Rg4 Rcc1 {[%csl Gc1][%CAl Re1h1]} 43. Ng3 $1 {[%CAl Rg3h5]} Nf6 44. Rgc4 Rxc4 45. Rxc4 {[%mdl 4096] Endgame KRN-KRN} g5 46. Rc2 (46. Rc6 $11 {keeps the balance.} Kg7 47. Rxa6) 46... h5 $17 {Black converts the advantage convincingly.} 47. Re2 Ra1 48. Ne4 Nxe4 {[%mdl 64] Overworked Piece} 49. Rxe4 Rxa2 {KR-KR} 50. Rc4 $2 {[%mdl 8192]} (50. h4 $17 {is the only way for White.}) 50... Kg7 (50... h4 $142 51. Rg4 f6) 51. Rc6 $2 (51. h4) 51... h4 $19 52. Kg1 a5 53. Ra6 a4 54. Kf1 $2 (54. Ra7) 54... a3 55. Kg1 Ra1+ 56. Kh2 a2 57. Ra8 Kf6 58. Ra5 Ke7 59. Ra6 $2 (59. Ra7+ Kd6 60. f6) 59... Kd7 (59... f6 $142 60. Ra7+ Kd6 61. Ra6+ Kd5) 60. Ra3 Kd6 61. Ra5 {Cut Off at move 61} Kc6 (61... f6 $142 62. Ra6+ Ke5 63. Ra5+ Kf4 64. Ra4+ Kxf5 65. Ra7 Ke5 66. Ra4 Kf5 67. Ra6 Kg6 68. Ra8 Kf7 69. Ra7+ Ke8 70. Ra5 Kd8 71. Ra7 Kc8 72. Ra8+ Kd7 73. Ra6 f5 74. Ra8 Ke6 75. Re8+ Kd7 76. Ra8 Ke6 77. Ra7 Ke5 78. Ra3 Kd5 79. Ra4 Kc5 80. Ra8 Kb6 81. Ra4 Kb5 82. Ra7 f4 83. Ra3 Kc4 84. Ra8 Kc3 85. Rc8+ Kd4 86. Ra8 Kc5 87. Ra4 Kb5 88. Ra3 Kb4 89. Ra8 Kc3 90. Rc8+ Kd2 91. Ra8 Ke1 92. Re8+ Kf1 93. Ra8 f3 $1 {[%mdl 512]} 94. g4 Re1 95. Rxa2 Re2+ {[%mdl 64] Double Attack} 96. Kh1 Kf2 97. Ra1 Kg3 98. Kg1 Rg2+ 99. Kf1 Rh2 100. Kg1 f2+ 101. Kf1 Rh1+ 102. Ke2 Rxa1 103. Kd2 f1=Q 104. Kc3 Rc1+ 105. Kd4 Kf4 106. Kd5 Qa6 107. Kd4 Qd6#) 62. Ra7 Kd5 63. Ra5+ Ke4 64. Ra7 f6 65. Ra5 Kf4 66. Ra6 Kxf5 67. Ra4 Ke5 68. Ra5+ Kd4 69. Ra4+ Ke3 70. Ra3+ Ke2 71. Ra5 {[#]} f5 $1 72. Re5+ {Black mates.} (72. Rxf5 Rf1) 72... Kd3 73. Ra5 f4 74. Ra8 Ke3 75. Re8+ Kd4 76. Ra8 {[#]} g4 $1 77. hxg4 {[#]} h3 $1 { [%mdl 512]} 78. g5 (78. gxh3 Ke3) 78... hxg2 79. Kxg2 {[#]} f3+ $1 {[%mdl 576] Deflection, Decoy} 80. Kxf3 Rf1+ 81. Kg4 a1=Q 82. Rxa1 Rxa1 83. Kf5 {[#]} Kd5 $1 {Weighted Error Value: White=0.91/Black=0.40} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.12"] [White "Lopez Martinez, Josep Manuel"] [Black "Valenzuela Gomez, Fernando"] [Result "1-0"] [ECO "D37"] [WhiteElo "2542"] [BlackElo "2390"] [Annotator "TA"] [PlyCount "85"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,85,26,23,13,56,17,12,0,0,0,24,0,0,1,0,0,0,0,0,0,13,32,11,7,24,19,35, 29,83,45,104,97,124,108,129,125,154,111,118,112,141,141,172,127,147,151,197, 160,168,173,168,116,191,209,191,178,175,183,387,330,662,561,488,416,420,412, 844,577,5628,5600,2866,2866,29991,29992,29992,29993,29993,29994]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. cxd5 exd5 6. Qb3 {D37: Queen's Gambit Declined: 5 Bf4.} h6 7. Bf4 (7. e4 $5) 7... c5 8. dxc5 {The position is equal.} Bxc5 9. e3 Nc6 {[#]} 10. Rd1 $146 ({Predecessor:} 10. Be2 O-O 11. O-O b5 12. Rac1 { 1-0 (40) Eljanov,P (2655)-Nabaty,T (2678) Netanya 2019}) 10... Qe7 {[#] Threatens to win with ...d4.} 11. Be2 (11. Nxd5 Nxd5 12. Qxd5 Bb4+ 13. Ke2 Be6 $17) 11... Be6 {White must now prevent ...d4.} 12. Qc2 ({Much worse is} 12. Nxd5 Nxd5 13. Rxd5 Bb4+ 14. Kf1 O-O $17) 12... O-O 13. O-O Rac8 14. Ne5 Nxe5 15. Bxe5 Rfd8 16. Bf3 Ba7 17. Bd4 Bb8 18. g3 h5 (18... Ne4 $11) 19. Qb3 h4 ( 19... b5 $14) 20. Bxf6 $16 Qxf6 21. Bxd5 hxg3 22. hxg3 ({Don't take} 22. fxg3 Qh6) 22... Bh3 23. Bg2 ({Worse is} 23. Qxb7 Bxf1 24. Ne4 Qf5 $15) 23... Bxg2 24. Kxg2 Qc6+ 25. Nd5 Re8 26. Rd2 b5 27. Qd3 g6 28. e4 Qe6 29. f4 Kg7 30. Re2 ( 30. Qd4+ $18 f6 31. Rh1) 30... Rc4 (30... Rh8 $16 {keeps fighting.}) 31. Rfe1 Rh8 {[#] And now ...Qh3+ would win.} 32. f5 $1 $36 {[%CAl Rf5e6][%mdl 2048] White is on the roll.} Qe5 33. Rd1 Kg8 $2 (33... Rc6 {is a better defense.} 34. Qf3 Rh5) 34. Nf4 Rc6 $2 (34... Qe8 35. fxg6 Bxf4) 35. fxg6 Kg7 36. gxf7 Rd6 37. Qb3 {Hoping for Rd5.} Rdh6 (37... Rxd1 $142 38. Qxd1 Bd6) 38. Rd7 $18 Rh2+ 39. Kf3 Qxf4+ 40. gxf4 R8h3+ 41. Kg4 {White mates.} Rh4+ 42. Kf5 Rxf4+ 43. Kg5 { Weighted Error Value: White=0.17/Black=0.44} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.13"] [White "Mendonca, Leon Luke"] [Black "Lin, Yingrui"] [Result "1-0"] [ECO "A05"] [WhiteElo "2516"] [BlackElo "2399"] [Annotator "Shahid"] [PlyCount "143"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,142,18,14,19,15,36,22,41,31,40,29,22,18,38,49,43,35,28,31,25,32,28, 11,13,0,8,0,19,5,18,-4,15,0,14,20,37,6,22,0,28,0,25,18,47,-1,27,0,64,14,39,29, 79,93,98,91,77,-116,-128,-121,-111,-115,-109,-111,-119,-110,-87,-173,-69,-60, -50,-32,-30,-32,-52,-75,-75,-122,-127,-135,-120,-113,-97,-153,-106,-116,-116, -101,-108,-93,-11,-8,0,0,0,0,0,0,8,6,5,0,0,0,51,4,82,54,53,0,12791,9943,5539, 4133,29978,29979,29980,29981,29981,29982,29986,29987,29990,29991,29991,29992, 29997,29998,29998,29999,29999]} 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O g6 5. b3 Bg7 6. Bb2 O-O 7. c4 d6 8. d4 e6 {A15: English Opening: 1...Nf6.} 9. Qc2 Be4 10. Qc1 Nbd7 {The position is equal.} 11. Nc3 Bb7 12. Qc2 c5 {[#]} 13. e4 $146 ({Predecessor:} 13. Rad1 Qe7 14. Rfe1 cxd4 15. Nxd4 Bxg2 16. Kxg2 Rfc8 17. e3 a6 18. Qe2 Ne5 19. f3 Nc6 20. Nxc6 Rxc6 21. e4 {1/2-1/2 (34) Chigaev,M (2588) -Ponkratov,P (2631) Lichess.org INT 2020}) 13... cxd4 14. Nxd4 a6 15. Rad1 Qc7 16. Rfe1 Rfd8 17. Qe2 Nc5 18. h3 Rac8 19. Kh2 Qb8 20. Ba1 Qa8 21. Qe3 Qb8 22. Qe2 Qa8 23. Qe3 Qb8 24. Kg1 Qa8 25. f3 Qb8 26. g4 Re8 27. Qf2 Qa8 28. Nde2 Qb8 29. Ng3 e5 30. f4 Ne6 (30... exf4 $11 31. Qxf4 Nfd7) 31. f5 Nf4 $1 32. g5 N6h5 (32... Nd7) 33. Nxh5 Nxh5 34. Qxb6 Nf4 35. f6 $2 (35. Rxd6 Bf8 $15) (35. Qxd6 $16 {stays on course.} Qxd6 36. Rxd6) 35... Nxg2 $17 36. fxg7 Nxe1 37. Rxe1 Qc7 38. Qxc7 Rxc7 39. Bb2 Kxg7 40. Rf1 (40. Rd1 $17 {was necessary.}) 40... Re6 ( 40... h6 $19 41. Ba3 hxg5 42. Bxd6 Rd7) 41. Nd5 $15 Bxd5 (41... Rc6 {with more complications.} 42. Nf6 h6 43. h4 a5 44. Ba3 a4) 42. exd5 {[%mdl 4096] Endgame KRR-KRB} Re8 43. Rf6 Rd7 44. Ba3 Red8 45. Bb4 h6 46. h4 hxg5 47. hxg5 Kf8 48. a3 (48. Kf2 $142) 48... Ke7 {...Rh8 is the strong threat.} 49. c5 dxc5 { [%mdl 64] Discovered Attack} 50. Bxc5+ Ke8 51. d6 Kf8 ({Black should play} 51... Rb7 $17 52. b4 Ra8) 52. Kf2 $11 Kg7 {White must now prevent ...Rc8.} 53. Ke3 Rh8 {Strongly threatening ...Rh4.} 54. Ke4 Rh5 55. Be3 Rh3 56. b4 $1 Kf8 57. Rf1 Ke8 ({Much worse is} 57... Rxd6 $6 58. Bc5 $16) 58. Bc5 Rg3 (58... Rxa3 $11 59. Kxe5 Rd3) 59. a4 (59. Kd5 Rxg5 (59... Rxa3 60. Re1) 60. Kc6 e4 61. a4 f5 62. b5 $18) 59... Rxg5 (59... Rd8 $1 $11 {keeps the balance.}) 60. Kd5 $16 Rd8 61. Kc6 ({White should try} 61. Bb6 $1 $14 Rd7 62. b5 axb5 63. axb5) 61... Rf5 $2 {[%mdl 8192] [#]} (61... Rc8+ $11 62. Kb7 Rd8 63. Kxa6 Rf5) 62. Rxf5 $1 $18 gxf5 {[#] KR-KB} 63. Bb6 $1 {[%CAl Rb6d8]} Rd7 64. a5 {White mates.} e4 65. b5 e3 66. Bxe3 Kd8 67. Bb6+ Kc8 68. Bc7 Rxd6+ 69. Bxd6 axb5 70. a6 b4 71. a7 { [%CAl Ra7a8]} b3 72. a8=R# {Weighted Error Value: White=0.19/Black=0.18} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.14"] [White "Ayats Llobera, Gerard"] [Black "Bellahcene, Bilel"] [Result "1-0"] [ECO "B94"] [WhiteElo "2400"] [BlackElo "2510"] [Annotator "TA"] [PlyCount "37"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,37,17,20,12,20,-8,13,21,15,-27,177,18,288,288,393,398,475,354,446, 459,439,439,714,692]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qa5 8. Qd2 e6 9. Bb3 {B94: Sicilian Najdorf: 6 Bg5 Nbd7.} Be7 10. O-O-O h6 11. Bh4 {The position is equal.} Nc5 12. Rhe1 Bd7 $2 {[#]} (12... O-O $11) 13. Kb1 $2 {[#]} ({Only move:} 13. Nf5 $1 $18 {[%CAl Rf5e7][%mdl 512]} exf5 14. exf5 Nxb3+ 15. axb3 Qa1+ 16. Nb1) 13... Rb8 $146 {[%mdl 8192] [#]} ( 13... Qc7 $11 {and Black stays safe.}) ({Predecessor:} 13... Nfxe4 14. Nxe4 Qxd2 15. Rxd2 Bxh4 16. Nxd6+ Kf8 17. Nf3 Bg5 18. Rdd1 Ke7 19. Nxf7 Kxf7 { 1-0 (35) Delchev,A (2623)-Erdogdu,M (2428) Plovdiv 2010}) 14. Nf5 $1 $18 { [%CAl Rf5e7][%mdl 576] Discovered Attack} Nxb3 (14... exf5 15. exf5) 15. axb3 exf5 16. exf5 {And now Rxe7+! would win.} O-O 17. Rxe7 {White is clearly winning.} Qxf5 18. Bxf6 {[%mdl 64] Overworked Piece} gxf6 (18... Bc6 $142 19. Bd4 Rfe8) 19. Qxh6 {Weighted Error Value: White=0.38/Black=0.91} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.15"] [White "Stefanova, Antoaneta"] [Black "Garcia Ramos, Daniel"] [Result "1-0"] [ECO "D00"] [WhiteElo "2466"] [BlackElo "2380"] [Annotator "TA"] [PlyCount "63"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,63,-9,-2,-8,-10,-8,-4,-28,-8,-33,-30,-35,-19,-44,0,0,34,20,23,7,31,16, 29,9,60,46,127,127,115,124,158,102,106,107,119,117,118,113,169,178,405,388,395, 412,785,785,747,453,610,599,593,571,29988,29989,29984,29980]} 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 Bd6 5. Bg3 O-O 6. Bd3 {D00:1 d4 d5: Unusual lines.} c5 7. c3 Nc6 {[%CAl Bb8c6,Bc6e7,Be7g6][%mdl 32] 7...Qc7 is the modern continuation.} 8. f4 {The position is equal.} b6 {[%CAl Bb7b6,Bb6b5][%mdl 32]} 9. Nh3 Bb7 {[#] } 10. Qf3 $146 ({Predecessor:} 10. Bh4 Be7 11. Bxf6 Bxf6 12. Nf3 g6 13. g4 c4 14. Bc2 b5 15. g5 Bg7 16. Nf2 {1-0 (37) Ghane Gardeh,S (2415)-Setiawan,A (2185) Parramatta 2009}) 10... Ne7 11. Bf2 b5 12. Bh4 Ng6 13. Bxf6 Qxf6 14. O-O b4 15. Qh5 bxc3 16. bxc3 cxd4 (16... Bc6 $11) 17. cxd4 $14 Rac8 (17... Bc6 $1 $14) 18. Ng5 $40 {[%csl Gg5][%CAl Rh5h7][%mdl 128] White goes for the king.} h6 { [%CAl Rd6f4] [#] And now ...Bxf4 would win.} 19. Nxf7 $1 {[%mdl 512]} Kxf7 ( 19... Qxf7 20. Bxg6) 20. Nf3 ({Better is} 20. f5 Kg8 21. fxg6) 20... Kg8 21. Bxg6 Rc3 22. Rae1 Ba6 23. Rf2 Rfc8 {[#]} (23... Qe7 $16) 24. g4 $1 $18 { [%CAl Rg4g5] g5 is the strong threat.} Rc1 $2 (24... Bd3 25. Bxd3 Rxd3) 25. Rxc1 Rxc1+ 26. Kg2 Bxf4 (26... Bb5 $142 27. g5 Qe7 28. gxh6 gxh6) 27. exf4 Qxf4 28. Qe5 Qf6 29. Bc2 {Hoping for Qb8+.} Bf1+ 30. Kg3 {Strongly threatening Qb8+. } Bc4 31. Qb8+ {[%mdl 64] Double Attack} Qf8 {[#]} 32. Bh7+ $1 {[%mdl 512] Weighted Error Value: White=0.19/Black=0.66} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.16"] [White "Jimenez Ruano, Adrian"] [Black "Maurizzi, Marc Andria"] [Result "0-1"] [ECO "E71"] [WhiteElo "2279"] [BlackElo "2445"] [Annotator "TA"] [PlyCount "134"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,134,20,33,21,58,-33,42,26,28,22,27,-1,52,43,45,29,40,51,50,69,83,65, 82,62,86,0,0,0,0,0,32,0,10,16,91,53,61,22,86,36,57,60,121,8,131,114,448,0,0,0, 0,0,0,-126,-127,-91,-83,-153,-159,-136,-86,-93,-83,-76,-75,-76,-74,-89,-75, -150,-143,-143,-151,-192,-195,-208,-197,-236,-225,-358,-358,-372,-373,-372, -347,-347,-347,-345,-344,-347,-347,-347,-319,-777,-767,-650,-580,-760,-749, -752,-745,-722,-648,-576,-576,-1036,-924,-29982,-29983,-29983,-29984,-29983, -29985,-29985,-29983,-29986,-29987,-29987,-29988]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Nf3 e5 7. d5 a5 8. g4 Na6 9. Bg5 Qe8 {9...Qe8 is better than 9...Nc5.} 10. Qc2 {[#] E90: King's Indian: Classical: Early deviations and 6 h3.} Kh8 $146 ({Predecessor:} 10... c6 11. O-O-O cxd5 12. Bxf6 Bxf6 13. Nxd5 Bd8 14. Kb1 Be6 15. g5 Bxd5 16. Rxd5 Nb4 {0-1 (30) Leitner,G (2201)-Kostic,V (2399) Vienna 2014}) 11. Ng1 (11. O-O-O $14) 11... Ng8 (11... Nd7 $15) 12. f3 $14 {White is slightly better.} f5 13. O-O-O Bd7 14. Bg2 Nc5 ( 14... fxe4 $11 15. fxe4 b5) 15. Kb1 fxe4 16. fxe4 b5 17. cxb5 Bxb5 18. Be3 Bd7 19. Nge2 h6 20. Qd2 Bf6 21. g5 (21. Ng1 $16) 21... Bxg5 $11 22. Bxg5 hxg5 23. Qxg5 Rf7 24. Rdf1 Rh7 25. h4 Rh5 (25... Qe7 $11) 26. Qe3 $16 Rh7 27. Ng3 Qd8 ( 27... Qe7 $1 $11 {keeps the balance.}) 28. h5 g5 $1 29. Nf5 g4 ({Better is} 29... Bxf5 $14 30. Rxf5 g4) 30. h6 (30. Nh4 $16) 30... Rb8 (30... Ne7 $1 $11) 31. Nh4 $1 {[%CAl Rh4g6]} Nxh6 $2 {[%mdl 8192] [#]} (31... Be8 $16 {is more resistant.}) 32. Nf5 $2 ({Less strong is} 32. Ng6+ Kg7 $16) (32. Rf8+ $1 $18 { [%mdl 512]} Qxf8 33. Ng6+ {[%mdl 64] Double Attack} Kg8 34. Nxf8 Rxf8 35. Qg5+ Kf7 36. Rxh6 Rxh6 37. Qxh6) 32... Nxf5 $11 33. Rxh7+ Kxh7 34. exf5 {f6 is the strong threat.} Qf6 {[#]} 35. Be4 (35. Ne4 $1 $11 {[%mdl 512]} Nxe4 36. Bxe4) 35... Rg8 $17 36. Bc2 Rg5 $36 {[%CAl Rd7f5][%mdl 2048] Black is on the roll.} 37. Qf2 ({White should play} 37. Qg3) 37... g3 38. Qg2 Kg8 39. Rf3 Bxf5 40. Bxf5 Rxf5 41. Rxg3+ Kf7 {aiming for ...Rf1+.} 42. a3 Rf2 $1 {[%CAl Rf2g2] [#]} 43. Qh3 (43. Rg7+ $142 $1 {[%mdl 512]} Qxg7 44. Qxf2+ Ke7 45. Qh4+ Qf6 46. Qg4) 43... Qf5+ 44. Qxf5+ Rxf5 {[%mdl 4096] Endgame KRN-KRN} 45. Nb5 Rf1+ 46. Kc2 Rf2+ 47. Kb1 e4 48. Nxc7 (48. b4 {was necessary.} axb4 49. axb4) 48... Nd3 $19 49. Re3 {[#]} Rf1+ $1 ({Weaker is} 49... Rxb2+ 50. Ka1 $17) 50. Ka2 Nc1+ 51. Kb1 Nb3+ 52. Kc2 a4 {[%csl Gb3][%CAl Rf1c1]} 53. Kc3 Rc1+ 54. Kb4 {Black must now prevent Nb5.} Rxc7 55. Kxa4 $2 {KRN-KR} (55. Rxe4 Rb7+ 56. Kc3) 55... Nc5+ 56. Kb5 Kf6 57. b4 {With the idea Kb6.} Ke5 58. Kb6 Rc8 ({Not} 58... Rb7+ 59. Kc6 $17) 59. bxc5 Rxc5 {KR-KR} 60. a4 Rxd5 61. a5 {Cut Off at move 61} Rd3 62. Rxd3 exd3 {KPP-KP. Black mates.} 63. a6 d2 64. a7 d1=Q 65. a8=Q Qd4+ 66. Kc7 Qc4+ 67. Kd7 {[#]} Qf7+ $1 {What a bad dream for White. Weighted Error Value: White=0.45/Black=0.24} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.17"] [White "Msellek, Ilyass"] [Black "Gines Esteo, Pedro Antonio"] [Result "1/2-1/2"] [ECO "B12"] [WhiteElo "2316"] [BlackElo "2437"] [Annotator "TA"] [PlyCount "81"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,81,18,24,15,14,9,30,21,20,18,35,6,52,44,54,42,58,31,64,55,87,86,92, 89,97,96,93,97,114,125,125,100,150,149,138,124,120,56,219,235,272,227,241,83, 147,147,151,159,293,279,274,268,218,58,308,312,297,279,235,208,377,365,353,0,0, 0,316,0,0,0]} 1. e4 c6 2. d4 d5 3. f3 Qb6 4. Nc3 Nf6 5. e5 Nfd7 6. f4 e6 7. Nf3 c5 8. dxc5 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} Bxc5 9. Na4 Qa5+ (9... Bf2+ $6 10. Ke2 $16) 10. c3 {And now b4 would win.White has an edge. } Be7 11. b4 Qc7 12. Bd3 {[#]} a6 $146 ({Predecessor:} 12... a5 13. Bd2 axb4 14. cxb4 Nb6 15. Nxb6 Qxb6 16. a4 O-O 17. a5 Qa7 18. b5 Nd7 19. b6 Qb8 20. Rc1 f6 21. Rc7 Bd8 22. Ng5 fxg5 23. Qh5 {1-0 (22) Muzyka,Y (2392)-Beltins,G (1857) ICCF email 2012}) 13. Bd2 b5 14. Nb2 $36 {[%mdl 2048] Black is under pressure.} Nb6 15. Qe2 Nc4 16. Nxc4 bxc4 17. Bc2 a5 {Strongly threatening ...axb4.} 18. b5 {[%CAl Bb4b5,Bb5b6][%mdl 32]} a4 19. O-O Nd7 20. Nd4 Nc5 21. Rab1 g6 22. Be3 Bd7 23. b6 $1 {[%CAl Rb6c7]} Qb7 24. g4 Ra6 25. f5 (25. Qf2 $1 $16) 25... exf5 $2 (25... Rxb6 $14 26. Nxe6 Bxe6) 26. gxf5 $18 Bxf5 27. Bxf5 (27. Nxf5 $6 gxf5 28. Qg2 (28. Rxf5 d4 $11) (28. Bxf5 Rg8+ 29. Kh1 d4+ 30. Qf3 dxe3 $17) 28... Rxb6 $18) 27... gxf5 28. Qg2 $2 (28. Nxf5 Rg8+ 29. Ng3 Rxb6 $14) (28. Qh5 $18 { has better winning chances.}) 28... Rxb6 ({Better is} 28... f4 29. Bxf4 (29. Rxf4 Rxb6 30. Rxb6 Qxb6 $14) 29... Rxb6 30. Rxb6 Qxb6) 29. Rxb6 $16 Qxb6 30. Nxf5 (30. Qxd5 $6 Qb7 $14) 30... Qc6 (30... Qb7 $16 {was necessary.} 31. Nxe7 Qxe7) 31. Qg7 $18 Rf8 32. Nxe7 (32. Qxh7 $6 Kd8 $18) 32... Kxe7 33. Bh6 $2 ({ Don't do} 33. Qxh7 $6 Qc8 $16) (33. Bg5+ $1 $18 Ke8 34. Bh6 (34. Qxh7 Qg6 $17) 34... Qg6+ 35. Qxg6 hxg6 36. Rb1 (36. Bxf8 Kxf8 37. Kf2 Ke7 $18)) 33... Qg6+ $2 (33... Re8 $1 $14) 34. Qxg6 hxg6 35. Bxf8+ Kxf8 {[%mdl 4096] Endgame [#] KR-KN} 36. Kf2 $1 Ne4+ $2 (36... Ke7 37. Ke3 Ke6) 37. Ke3 Nxc3 38. Kd4 Ne2+ 39. Ke3 $1 {[%CAl Re3e2]} ({Don't blunder} 39. Kxd5 $2 c3 $19) 39... Nc3 {[#]} 40. Kd4 $2 ({White must play} 40. e6 $1 $18) 40... Ne2+ $11 41. Ke3 $1 {Weighted Error Value: White=0.40/Black=0.36} ({Avoid the trap} 41. Kxd5 $2 c3 $19) 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.18"] [White "Martin Duque, Jesus"] [Black "Carbonell Sancho, Marc"] [Result "1-0"] [ECO "B07"] [WhiteElo "2422"] [BlackElo "2274"] [Annotator "TA"] [PlyCount "119"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,119,36,41,26,41,16,24,10,16,25,28,21,36,21,22,29,29,28,40,18,34,-56, 28,-30,0,0,0,-87,28,-60,-51,-54,-56,-55,-51,-74,-69,-63,-55,-81,-77,-88,-89, -88,-56,-92,0,-102,-111,-117,16,-13,-31,-30,29,36,104,0,940,919,811,401,388, 337,395,335,344,352,349,376,397,414,397,381,397,399,377,375,361,401,430,427, 401,395,390,365,392,336,370,278,290,304,428,374,511,496,488,441,1489,910,29982, 29983,29983,29984,29989,29989,29989,29990]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. Bd3 Nbd7 7. Nf3 Bg7 8. Ne2 {B08: Pirc Defence: Classical System.} Bb7 {[#]} 9. Ng3 $146 ({Predecessor:} 9. c3 e5 10. Bh6 O-O 11. Bxg7 Kxg7 12. Ng3 Re8 13. O-O d5 14. dxe5 Nxe4 15. Bxe4 dxe4 16. Nxe4 Nxe5 {0-1 (34) Negi,P (2631)-Gashimov,V (2756) Germany 2012}) 9... Ng4 10. Bg5 {White has an edge.} h6 11. Bh4 $1 Qc7 12. O-O e5 13. h3 Ngf6 14. a4 a6 15. axb5 cxb5 16. d5 O-O 17. b4 (17. Rfc1 $14) 17... Rac8 (17... Nh7 $1 $15) 18. Ra3 ({White should play} 18. Rfc1) 18... Kh7 19. Rfa1 Nb6 20. Qe2 (20. Bxf6 $11 Bxf6 21. Qe2) 20... Rfe8 (20... g5 21. Nxg5+ $1 {[%mdl 512]} hxg5 22. Bxg5 $16) (20... Nbxd5 $17 21. exd5 Nxd5) 21. Rxa6 (21. Bxf6 $11 Bxf6 22. c3) 21... Bxa6 $15 22. Rxa6 Ra8 $1 {[%CAl Ra8a6]} (22... g5 23. Bxg5 $1 {[%mdl 512]} hxg5 24. Qe3 $16) 23. Bxb5 Rxa6 24. Bxa6 Ra8 $1 ({Of course not} 24... g5 $6 25. Nxg5+ hxg5 26. Bxg5 $14) 25. Bd3 Qc3 ({Don't play} 25... g5 26. Nxg5+ hxg5 27. Bxg5 $14) 26. Bxf6 Bxf6 27. Qd2 Qa3 {[%mdl 1024] Black has strong compensation.} 28. Nf1 Na4 29. Ne3 Nb2 (29... Nc3 $17 30. b5 Qc5) 30. Bb5 (30. Be2 $11 {keeps the balance.}) 30... Rb8 $1 $17 {[%CAl Rb8b5]} 31. c4 Na4 (31... Nd3 $17 32. Nc2 Qb3) 32. Bxa4 (32. Nc2 $5 {[%CAl Rc2a3]} Qb3 33. Bxa4 Qxa4 34. Qd3 $11) 32... Qxa4 33. b5 Qb3 ({Black should try} 33... Bd8) 34. Qa5 $36 {[%mdl 2048] And now Qc7 would win. White is pushing.} Qb1+ 35. Kh2 (35. Nf1 $1 $16) 35... Rb7 $2 {[%mdl 8192] White leaves nothing to chance now.} (35... Qxe4 $11 36. Qc7 Ra8 37. Qxf7+ { [%mdl 64] Double Attack} Bg7) 36. Qa6 $18 Rd7 {[#]} 37. Qc6 (37. c5 $142 $1 { [%mdl 512]}) 37... Rd8 38. Ng4 Bg7 39. Qc7 {[%mdl 64] Double Attack} Rf8 40. Qxd6 Qxe4 41. Nf6+ ({Weaker is} 41. Nfxe5 Qf4+ 42. g3 Qf5 $18) 41... Bxf6 42. Qxf8 Qf4+ 43. Kh1 Bg7 44. Qc5 e4 45. Ng1 Be5 {[%csl Ge5][%CAl Rf4h2]} 46. g3 Qf6 47. Qe3 Bd4 {[#]} 48. Qf4 $1 {[%CAl Rf4f6] Threatens to win with Qxf6.} Qe7 49. Ne2 Bc5 50. Nc3 e3 51. fxe3 Bxe3 52. Qe4 Qg5 (52... Qa7 $142 53. Kg2 Bc5) 53. Kg2 {aiming for h4.} Bc5 54. Qf4 Qe7 55. Ne4 {d6 is the strong threat.} Bb4 (55... Bd4 $142 56. d6 Qa7) 56. b6 Kg7 57. d6 {White mates.} Qb7 58. Qe5+ Kg8 59. Qe8+ Kg7 60. d7 {Weighted Error Value: White=0.30/Black=0.34} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.19"] [White "Krysa, Leandro"] [Black "Boyer, Mahel"] [Result "1-0"] [ECO "D35"] [WhiteElo "2531"] [BlackElo "2307"] [Annotator "TA"] [PlyCount "81"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,81,20,44,43,48,47,45,37,34,33,45,35,31,16,32,21,18,10,31,36,20,35,25, 10,21,14,48,17,19,4,26,4,34,39,47,48,47,35,41,23,23,25,53,29,64,69,56,59,103, 59,207,216,197,216,272,272,272,266,518,466,504,501,632,625,620,564,589,539,730, 734]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Qf3 Be6 8. Bxf6 {D35: Queen's Gambit Declined: Exchange Variation.} Qxf6 9. Qxf6 gxf6 10. Nf3 {White is slightly better.} Nd7 {[%CAl Bb8d7,Bd7b6,Bb6c4][%mdl 32]} 11. Bd3 Nb6 12. Nh4 Nc4 {[#]} 13. Rb1 $146 ({Predecessor:} 13. O-O-O Nd6 14. Ne2 Rg8 15. g3 f5 16. Nf4 Bh6 17. Nhg2 a5 18. a3 Ke7 19. Kb1 {1/2-1/2 (30) Moiseenko,A (2678)-Wang,Y (2706) China 2017}) 13... Bb4 14. Kd1 a5 15. Kc2 a4 16. Bxc4 dxc4 17. a3 Be7 18. e4 O-O-O 19. Rbd1 b5 (19... f5 $5 20. Nxf5 Bxf5 21. exf5 Rhg8 $11) 20. g3 Rhe8 21. Rhe1 Kc7 22. d5 Bd7 23. dxc6 Bxc6 24. Nf5 Bc5 25. f3 Kb6 26. g4 b4 27. axb4 Bxb4 28. Nd4 Kc5 29. Nxc6 Kxc6 30. Rd5 Rb8 31. Rf5 Re6 {This move loses the game for Black.} ({Black should try} 31... Bxc3 $14 32. Kxc3 Rb3+ 33. Kxc4 Rc8) 32. Ra1 $18 Bxc3 33. Kxc3 {[%mdl 4096] Endgame KRR-KRR} ({And not} 33. bxc3 Ra8 $14) 33... Rb3+ 34. Kxc4 Rxb2 35. Rxa4 Rc2+ $2 {[#]} (35... Rd2 36. Rxf6 Rxf6 37. Ra6+ Kd7 38. Rxf6 Ke7) 36. Kd3 { White is clearly winning.} Rxh2 37. Ra7 Rh6 38. Rxf7 Kd6 39. Ke3 Kc6 40. Kf4 Kb6 41. Rh5 {Weighted Error Value: White=0.09/Black=0.36} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.20"] [White "Cuenca Jimenez, Jose Fernando"] [Black "Dalaud, Dorian"] [Result "1-0"] [ECO "E91"] [WhiteElo "2528"] [BlackElo "2291"] [Annotator "TA"] [PlyCount "75"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,75,54,38,52,45,52,45,45,36,212,102,99,22,40,40,45,41,36,42,39,39,50, 44,38,41,37,13,32,31,67,27,41,35,35,45,32,31,48,52,206,187,206,121,136,146,143, 123,314,142,241,238,358,358,379,372,459,459,1039,992,29998,29999]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Na6 7. O-O e5 8. Be3 c6 {8...Qe7 is a critical line. Played by Maxime Vachier Lagrave in November 2020.} 9. Re1 exd4 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} 10. Nxd4 Re8 11. f3 d5 {White is slightly better.} 12. cxd5 cxd5 $2 ({Black should play} 12... Nxd5 $14 13. Nxd5 (13. exd5 Rxe3 14. Qd2 Qb6 $11) 13... cxd5 ) 13. Bb5 (13. Bxa6 $1 $18 {and the rest is easy. And now Bb5 would win.} bxa6 14. e5) 13... Bd7 $16 {[%CAl Rd5e4] [#]} 14. exd5 $146 (14. Bxa6 $1 $16 bxa6 15. exd5 (15. Nxd5 Nxd5 16. exd5 Qf6 $11)) ({Predecessor:} 14. Bxa6 bxa6 15. exd5 Re5 16. Bf2 Nh5 17. Qd2 Qf8 18. Nb3 Bh6 19. Qd4 Rf5 20. Nc5 {1-0 (48) Raja,R (2364)-Kathmale,S (2326) Abu Dhabi 2019}) 14... Nc7 15. Bc4 b5 $1 { [%CAl Rb5c4]} 16. Bb3 {Threatens to win with d6.} ({Weaker is} 16. Ncxb5 Nxb5 17. Nc6 (17. Bxb5 $2 Nxd5 18. Bf2 Rxe1+ {[%mdl 64] Overworked Piece} 19. Qxe1 Bxd4 $19) (17. Nxb5 $2 Bxb5 18. Bxb5 Rxe3 $19) 17... Bxc6 $17) ({Don't go for} 16. Bxb5 $2 Nfxd5 17. Nxd5 Nxd5 $19) (16. Ndxb5 $2 Nxb5 17. Nxb5 Bxb5 $19) 16... b4 17. d6 bxc3 18. dxc7 Qxc7 19. Rc1 Qa5 20. bxc3 Nd5 21. Bd2 Qc5 22. Kh1 Rxe1+ 23. Qxe1 Re8 24. Qf1 Bxd4 25. cxd4 Qxd4 26. Be1 $36 {[%mdl 2048] Hoping for Rd1. White has the initiative.} Nf4 27. Rd1 Qb2 $2 {[#]} (27... Nd3 $1 $14) 28. Bxf7+ $1 $18 {[%mdl 576] Decoy} Kxf7 29. Qc4+ {[#]} (29. Rxd7+ $18 Re7 30. Qc4+ Ne6 31. Rxe7+ Kxe7 32. Qh4+ Kf7 33. Qxh7+ Ng7 34. h3) 29... Nd5 $1 { [%mdl 512]} 30. Qxd5+ {[%mdl 64] Double Attack} Be6 31. Qd6 Qe2 $2 (31... Kg8 $16) 32. Bg3 (32. Bc3 $18 {and White stays clearly on top.} Qe3 33. Bd4) 32... Qxa2 {[#]} (32... Bxa2 $16 {was worth a try.} 33. h3 Qe7) 33. Be5 $1 {[%CAl Re5c3] Black must now prevent Bc3.} Re7 (33... Qc2 $142 34. Ba1 g5) 34. Bc3 Qa4 {aiming for ...Rd7!} 35. Re1 Qb5 36. Qd4 Ke8 (36... Qf5 $142 37. h4 g5) 37. Bb4 Rd7 38. Qh8+ {Accuracy: White = 70%, Black = 44%.} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.21"] [White "Garriga Cazorla, Pere"] [Black "Souhardo Basak"] [Result "0-1"] [ECO "E15"] [WhiteElo "2487"] [BlackElo "2216"] [Annotator "TA"] [PlyCount "108"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,108,5,42,37,35,32,46,45,49,49,49,51,54,44,51,39,33,29,20,20,13,12,39, 0,26,16,35,34,52,52,74,75,65,66,88,16,53,0,0,0,0,-7,-4,-11,39,11,50,0,0,-10,5, 4,45,36,56,0,3,0,11,1,103,107,141,149,129,84,92,0,0,-175,-171,-464,-466,-447, -439,-457,-459,-461,-461,-423,-432,-530,-529,-530,-530,-664,-651,-630,-630, -588,-588,-672,-573,-650,-650,-29966,-29965,-29973,-29973,-29978,-29977]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 Bb4+ 6. Bd2 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} Bxd2+ 7. Nbxd2 Bb7 8. e4 { White is slightly better.} d6 9. Bg2 Qe7 10. O-O e5 {[#]} 11. a3 $146 ({ Predecessor:} 11. b4 O-O 12. c5 a5 13. a3 axb4 14. axb4 Nc6 15. cxb6 cxb6 16. Qb2 exd4 17. b5 {1/2-1/2 (28) Vidit,S (2610)-Sasikiran,K (2680) Sharjah 2014}) 11... Nbd7 {[%CAl Bb8d7,Bd7f8,Bf8e6][%mdl 32]} 12. b4 O-O 13. d5 c6 14. dxc6 Bxc6 15. Qd3 Rfd8 16. Ne1 Nf8 17. Nc2 Ne6 18. Nb1 a5 19. Nc3 Qb7 20. Rab1 axb4 21. axb4 Nc7 22. Nd5 (22. b5 $16 Be8 23. Ra1) 22... Bxd5 23. exd5 (23. cxd5 $14 Ra2 24. Ra1) 23... b5 $11 24. Ne3 bxc4 25. Qxc4 Nb5 26. Nf5 e4 27. Rbc1 ({ Much weaker is} 27. Bxe4 Rdc8 $17) 27... g6 (27... Re8 {with more complications.} 28. Rfe1 Rab8 29. Qc6 g6 30. Nxd6 Qxc6 31. Rxc6 Nxd6 32. Rxd6 Kg7) 28. Ne3 Rac8 29. Qb3 Rxc1 30. Rxc1 Rc8 31. Rc4 Re8 32. Rc1 ({White should play} 32. Qb2 $14 Qe7 33. Bf1) 32... Rc8 33. Qb2 {[#] Black must now prevent Rxc8+.} Rxc1+ 34. Qxc1 Qc7 (34... Qa7 $11) 35. Qc6 $16 Qxc6 36. dxc6 {[%mdl 4096] Endgame KBN-KNN} d5 37. f3 {aiming for Bf1.} (37. g4 h6 38. Bf1 Nc7 39. h4 g5 40. b5 Na8 41. h5 d4 42. Nc4 Nd5) 37... d4 {[#]} 38. Bf1 (38. Nc2 $1 $16) 38... Na7 $11 39. c7 $2 {Black continues to play with concentration.} (39. Nc4 $11 {and White stays safe.} Nxc6 40. b5) 39... dxe3 $19 40. fxe4 $2 (40. b5 Nd7 41. fxe4) 40... Nxe4 41. Kg2 Kf8 42. Bd3 Nd6 43. Kf3 Ke7 44. Kxe3 Kd7 45. Kf4 f6 46. h4 Nc6 47. b5 Nb4 48. Bb1 Nd5+ 49. Kg4 Kxc7 50. h5 Ne7 51. hxg6 hxg6 52. Kh4 Nxb5 {Black mates.} 53. g4 g5+ 54. Kh5 Kd6 {Weighted Error Value: White=0. 48/Black=0.16} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.22"] [White "Esplugas Esteve, Vicenc"] [Black "Asis Gargatagli, Hipolito"] [Result "1-0"] [ECO "B51"] [WhiteElo "2319"] [BlackElo "2470"] [Annotator "TA"] [PlyCount "41"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,40,15,27,35,29,20,48,48,40,59,55,47,77,82,209,216,220,224,316,166,385, 418,487,10,471,472,484,469,473,468,29998,29999,29999]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} b5 7. c4 g5 8. Nxg5 {White is slightly better.} Ne5 9. Bf1 bxc4 10. d4 cxd4 11. f4 {[#]} Nc6 $146 (11... Nd3 $16) ({Predecessor:} 11... Neg4 12. Bxc4 d5 13. exd5 Qb6 14. Qf3 h6 15. Nh3 Bb7 16. Na3 Rc8 17. b3 Rg8 { 1/2-1/2 (68) Vaibhav,S (2558)-Moussard,J (2573) Paris 2017}) 12. Bxc4 $18 ({ Worse is} 12. Qa4 Bd7 $11) 12... e6 {[#]} 13. e5 $1 {[%CAl Re5f6]} d5 (13... dxe5 {might work better.} 14. fxe5 Nd5) 14. Bd3 (14. exf6 $142 dxc4 15. f5) 14... Nd7 $2 {[#]} (14... h6) 15. Nxe6 $1 {[%mdl 512]} fxe6 16. Qh5+ {[%mdl 64] Double Attack} Ke7 {Hoping for ...Nc5.} 17. f5 h6 {[#]} 18. Bg5+ $1 {[%mdl 576] Skewer} hxg5 19. Qxg5+ {[#]} Ke8 (19... Nf6 $1 $18) 20. Qg6+ {[%mdl 64] Double Attack} Ke7 21. Qxe6# {White took control after the opening. Weighted Error Value: White=0.15/Black=0.74} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.23"] [White "Siebrecht, Sebastian"] [Black "Ortega Serra, Marc"] [Result "1/2-1/2"] [ECO "A08"] [WhiteElo "2429"] [BlackElo "2288"] [Annotator "TA"] [PlyCount "80"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,80,0,10,-37,-45,-58,-41,-40,-40,-38,-25,-49,-14,-14,-14,-23,31,28,35, -12,0,0,7,-20,0,0,0,-41,165,155,140,10,10,18,20,0,0,0,0,0,6,0,0,0,0,-44,-41, -40,-43,-127,-178,-179,-44,-49,-8,-8,-8,-8,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. Re1 b5 9. c3 a5 { [%CAl Ba7a5,Ba5a4][%mdl 32]} 10. e5 {C00: French: Unusual White 2nd moves.} Nd7 $1 11. h4 a4 12. a3 {[#] Black is slightly better.} Nb6 $146 ({Predecessor:} 12... Ba6 13. Nf1 Nb6 14. N1h2 Qc7 15. Bg5 Na5 16. Ng4 Nb3 17. Rb1 Rac8 18. Nd2 Na5 {1-0 (28) Claverie,R (2525)-Naumkin,I (2441) Moscow 2015}) 13. Nf1 Bb7 14. d4 cxd4 15. Nxd4 Nxd4 16. Qxd4 Rc8 ({Black should try} 16... Qc7 $11) 17. Qg4 $14 Kh8 18. Nd2 Nc4 19. Nf3 Bc5 20. Ng5 {White wants to play Qh5!} Qb6 21. Re2 $1 h6 22. Qh5 (22. Nf3 {looks sharper.} d4 23. cxd4 Bxf3 24. Bxf3 Bxd4 25. Bxh6 gxh6 26. Qf4) 22... d4 $2 (22... f6 $15 {keeps the upper hand.} 23. Nf3 Bc6 24. exf6 Rxf6) 23. cxd4 $1 $18 ({Inferior is} 23. Nxf7+ Rxf7 $1 {[%mdl 512]} 24. Qxf7 Bxg2 $11) 23... Bxd4 {[#]} 24. Nxf7+ (24. Bxb7 $1 $16 Qxb7 25. Nf3) 24... Rxf7 $11 25. Qxf7 Bxg2 26. Kxg2 {Qh5 is the strong threat.} Nxe5 27. Qh5 $1 Qc6+ 28. f3 Rf8 $1 {[%CAl Re5f3]} 29. Rxe5 Bxe5 30. Bxh6 $1 ({But not} 30. Qxe5 $2 Qxf3+ 31. Kh2 Qf2+ 32. Kh3 Qf1+ 33. Kg4 Rf5 $19) 30... Bxb2 31. Bc1+ Kg8 32. Bxb2 Qc2+ {[%mdl 64] Double Attack} 33. Kg1 (33. Kh3 $15 Qxb2 34. Re1) 33... Qxb2 $17 {[%mdl 4096] Endgame KQR-KQR} 34. Rf1 Qxa3 (34... e5 $19 {Strongly threatening ...b4.} 35. Rf2 Qxa3 36. Qxe5 Qb3) 35. Qxb5 $15 Qe3+ 36. Kg2 { The position is equal.} a3 37. Rf2 Rd8 38. Re2 Rd2 39. Qe8+ {[%mdl 64] Double Attack} Kh7 40. Qh5+ Kg8 {White used his chance. Accuracy: White = 71%, Black = 68%.} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.24"] [White "Hernando Rodrigo, Julio Antonio"] [Black "Bulmaga, Irina"] [Result "0-1"] [ECO "E04"] [WhiteElo "2275"] [BlackElo "2424"] [Annotator "TA"] [PlyCount "78"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,78,-39,-47,-49,-41,-29,-29,-53,0,0,0,-4,0,0,1,0,1,-33,-18,-26,0,-101, -95,-142,0,-38,-7,-61,-52,-95,-47,-52,-48,-81,-30,-33,-29,-33,-2,-6,0,-42,22, 11,67,54,49,8,0,0,0,-246,-236,-29984,-29965,-29985,-29986,-29986,-29987,-29987, -29988,-29988,-29989]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. a4 Nc6 7. O-O Rb8 8. Nc3 Be7 {8...Bb4 is vanishing.} 9. e4 O-O 10. Be3 {E04: Open Catalan: 5 Nf3.} b5 11. axb5 axb5 12. d5 {Black has an edge.} b4 (12... exd5 { is interesting.} 13. exd5 Nb4 14. Ba7 Rb7 15. Nd4 Qd7) 13. dxc6 {aiming for Ne2.} bxc3 14. bxc3 {And now Ne5 would win.} Nxe4 {[#]} 15. Bd4 $146 ({ Predecessor:} 15. Qc2 Qd3 16. Rfc1 Bf6 17. Bd4 Rd8 18. Ne5 Qxc2 19. Rxc2 Nc5 20. Nxc4 Bxd4 21. cxd4 Rxd4 {1-0 (54) Metpally,J (2076)-Turgut,A (2195) Grapevine 2019}) 15... f6 16. Qe2 Nd6 $1 17. Rfd1 (17. Ba7 $5 {[%CAl Ra7b8]} Ra8 18. Bc5 Rxa1 19. Rxa1 $11) 17... e5 18. Bc5 Qe8 19. Ra7 {[#]} (19. Nd2 $11) 19... Nb5 $1 $17 {White must now prevent ...Be6.} ({Don't play} 19... Qxc6 $6 20. Bxd6 Bxd6 21. Nxe5 $14) 20. Qxc4+ Kh8 (20... Qf7 $17 21. Qxf7+ Kxf7 22. Bxe7 Kxe7) 21. Raa1 Nd6 ({Not} 21... Qxc6 $2 22. Nxe5 Qxc5 23. Nf7+ Rxf7 24. Qxf7 $18) 22. Bxd6 (22. Qa2 $11) 22... Bxd6 $15 23. Nh4 Be6 24. Bd5 Bxd5 25. Rxd5 {next Nf5 is good for White.} Rb6 (25... f5 $17) 26. Ra6 $11 Rxa6 27. Qxa6 g6 28. c4 {Black should prevent c5.} Qe6 29. Qa2 g5 (29... Rb8 $15) 30. Ng2 e4 (30... f5 $11) 31. Ne3 Be5 $1 32. Qb1 f5 33. g4 fxg4 34. Kg2 $2 (34. Qd1 $11) 34... Qf6 $19 35. Qg1 $2 {[#]} (35. Qe1 $19) 35... Qf3+ {Black mates.} 36. Kf1 Qxe3 37. Rxe5 Qd3+ {[%mdl 64] Double Attack} 38. Kg2 Qf3+ 39. Kf1 Ra8 { Weighted Error Value: White=0.62/Black=0.20} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.25"] [White "Gatineau, Yovann"] [Black "Exposito Amaro, Josue"] [Result "1-0"] [ECO "A83"] [WhiteElo "2423"] [BlackElo "2334"] [Annotator "TA"] [PlyCount "47"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,47,75,94,103,103,102,119,109,121,129,125,120,162,155,318,311,326,298, 345,352,320,276,364,365,350,346,506,515,632,619,626,628,599,615,611,467]} 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 d5 5. Bxf6 exf6 6. Qh5+ g6 7. Qxd5 Bb4 8. Qxe4+ {A83: Dutch Defence: Staunton Gambit with 3 Nc3 Nf6 4 Bg5.} Kf7 9. Bc4+ Kg7 10. Nge2 {White is better.} Bxc3+ 11. bxc3 {[#]} ({Don't go for} 11. Nxc3 $2 Re8 $19) 11... Nc6 $146 ({Predecessor:} 11... Re8 12. Qf3 Nd7 13. O-O Nb6 14. Bd3 Be6 15. Nf4 Bf7 16. h4 c6 17. h5 Nd5 18. hxg6 hxg6 19. Nxd5 Qxd5 20. Qxd5 cxd5 {1-0 (40) Timerkhanov,A (2360)-Kobalia,M (2628) Tallinn 2016}) 12. O-O Bf5 13. Qf3 Bxc2 $2 (13... Qd7 $16 {was called for.} 14. Nf4 Rae8) 14. Nf4 $18 { [#] aiming for Ne6+.} Bf5 15. Be6 {Strongly threatening Bxf5.} Qd6 16. Bxf5 gxf5 17. Rae1 {Black must now prevent Re6.} Rae8 18. Nh5+ {[%mdl 64] [#] Discovered Attack} Kf7 19. Ng3 {Intending Qh5+ and mate.} ({Don't take} 19. Qxf5 Ne7) 19... Ne7 (19... h5 $142 20. Nxf5 Qd7 21. Rxe8 Kxe8) 20. Nxf5 { White is clearly winning.} Nxf5 21. Qh5+ ({Weaker is} 21. Qxf5 Re6 $18) 21... Kg7 {...Ne7 is the strong threat.} 22. Rxe8 Rxe8 23. Qxe8 Qd5 24. Qe2 {Black got outplayed after the opening. Weighted Error Value: White=0.05/Black=0.51} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.26"] [White "Garcia Jimenez, Francisco Javier"] [Black "Svoboda, Vaclav"] [Result "1-0"] [ECO "B26"] [WhiteElo "2288"] [BlackElo "2407"] [Annotator "TA"] [PlyCount "81"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,81,-11,-12,-21,0,-52,0,-50,45,47,58,31,144,53,88,0,64,64,63,74,69,72, 70,62,85,0,0,-100,0,-113,-93,-169,-52,-72,61,56,32,0,77,53,53,43,44,28,26,38, 28,24,18,0,0,0,22,0,54,52,604,684,840,840,831,812,742,707,29997,29998]} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e5 7. Qd2 Nge7 8. Bh6 Bxh6 9. Qxh6 Nd4 10. O-O-O {B26: Closed Sicilian: 3 g3, lines with early Be3.} Bg4 11. Rf1 (11. f3 $11 Be6 12. f4) 11... Qa5 (11... b5 $1 $15 12. Qg7 Rg8 13. Qxh7 Rf8 ) 12. f4 {The position is equal.} Be6 (12... b5 $1 $15 13. fxe5 b4) 13. fxe5 $14 {[#]} dxe5 $146 ({Predecessor:} 13... O-O-O 14. Bh3 dxe5 15. Rxf7 Nec6 16. Nf3 Bxh3 17. Qxh3+ Kb8 18. Ne1 b5 19. Kb1 b4 {1-0 (28) Ludbrook,M (2050)-Fegan, C (2115) West Bromwich 2006}) 14. Bh3 Bxa2 (14... f5 $1 $14) 15. Qg7 (15. Nf3 $1 $16) 15... Rf8 16. Qxe5 (16. Nf3 $16 {Strongly threatening Ng5.} Be6 17. Nxd4 Bxh3 18. Ndb5 (18. Nb3 Qc7 $14) 18... Bxf1 19. Qxe5) 16... Be6 (16... Bb3 $1 $11 17. cxb3 Qa1+ 18. Nb1 Nxb3+ 19. Kc2 Nd4+ 20. Kc1 Nb3+ 21. Kc2 Nd4+ 22. Kc1 Nb3+) 17. Bxe6 Qa1+ 18. Nb1 Nxe6 19. Ne2 Nc6 20. Qf6 Rd8 21. Nec3 ({ White should play} 21. Nf4 $16 Nxf4 22. Rxf4) 21... Kd7 $11 22. Qh4 (22. Nd5 $11) 22... h5 (22... Kc8 $1 $17) 23. Rf6 (23. g4 $11 {remains equal.}) 23... Kc8 $17 24. Rhf1 {[#]} (24. Qh3 $17) 24... Ne5 (24... c4 $1 $19 {[%CAl Rc4d3] [%mdl 512]} 25. dxc4 Ne5) 25. g4 $1 $15 {[%CAl Rg4h5]} hxg4 ({Black should try } 25... Rfe8 $17 {aiming for ...c4.} 26. Rxf7 c4) 26. Qg3 $14 Nf3 {White should prevent ...c4!} 27. h3 {[#]} (27. Rf2 $5 {[%CAl Rg3g4]}) 27... Rd7 {[#]} (27... c4 $1 $11 {[%mdl 512] keeps the balance.} 28. hxg4 (28. dxc4 Nd2) 28... cxd3 29. R6xf3 dxc2 30. Kxc2 Nd4+ {[%mdl 64] Double Attack} 31. Kc1 Nb3+ 32. Kc2 Nd4+ {[%mdl 64] Double Attack} 33. Kc1 Nb3+ 34. Kc2 Nd4+ {[%mdl 64] Double Attack}) 28. Rxe6 $1 {[%mdl 512]} fxe6 29. Qxg4 Rdf7 {White must now prevent .. .Nd4.} 30. Qxe6+ Kb8 31. Qd6+ Ka8 32. Nd5 Qa5 $1 33. Nbc3 Qa1+ 34. Nb1 Qa5 $1 35. Nbc3 $40 {[%mdl 128] White is up to no good.} Qd8 (35... Rd8 $11 36. Qg3 Rdf8) 36. Qxc5 {Hoping for Nb5.} Qg5+ $2 {[%mdl 8192] [#] A mistake that costs the game.} (36... b6 $14 37. Qe3 Qh4) 37. Kb1 $1 $18 {Nb5 is the strong threat. } Nd2+ 38. Ka2 Qd8 {[#]} 39. Nc7+ $1 {[%mdl 512]} Kb8 (39... Qxc7 40. Qxc7) 40. Ne6 {[%mdl 64] Rxf7 would kill now. Double Attack} Qb6 41. Qxf8+ {[%mdl 64] Back Rank. Weighted Error Value: White=0.34/Black=0.81} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.27"] [White "Romanishin, Oleg M"] [Black "Antova, Gabriela"] [Result "1-0"] [ECO "A06"] [WhiteElo "2402"] [BlackElo "2247"] [Annotator "TA"] [PlyCount "123"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,123,16,18,0,0,0,24,0,2,0,24,22,33,5,0,0,2,-22,-18,-25,-33,-27,-27,-23, 0,-13,0,-24,-15,-4,0,-1,25,12,16,12,50,50,29,14,31,12,22,16,22,16,22,8,37,37, 39,37,41,46,55,45,46,5,45,45,45,46,50,46,46,41,32,35,34,8,8,8,8,8,135,135,141, 142,157,81,81,77,214,200,376,376,376,313,313,313,312,312,303,303,1391,1593, 1294,726,1860,1835,1962,1539,2008,2041,1844,1733,1696,1442,5281,2653,29955, 29952,29984,29978,29979,29979]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bg4 4. c4 c6 5. Qb3 Qb6 6. d3 {A11: English Opening: 1...c6.} Nbd7 7. Be3 {[#]} Qc7 $146 ({ Predecessor:} 7... Qa6 8. cxd5 Nxd5 9. Bd4 Bxf3 10. Bxf3 e5 11. Bc3 Nxc3 12. Nxc3 Be7 13. O-O O-O {1-0 (43) Kozhuharov,S (2424)-Rusev,K (2508) Primorsko 2020}) 8. cxd5 {White has an edge.} Nxd5 9. Bd2 e6 10. O-O Be7 11. Nc3 (11. e4 $5 {[%CAl Re4d5]} N5b6 12. Be3 $11) 11... O-O 12. h3 Bh5 13. e4 Nc5 {[%CAl Bd7c5,Bc5e6,Be6d4][%mdl 32]} 14. Nxd5 exd5 15. Qc2 dxe4 16. dxe4 Bxf3 17. Bxf3 Ne6 18. Be3 Rfd8 19. Rad1 Bf6 20. Bg4 Nd4 21. Qc4 {[%CAl Re3d4]} Qe5 22. Rfe1 Qb5 23. Qxb5 Nxb5 24. Bc1 Rxd1 (24... g6 {feels hotter.} 25. Kg2 Nd4 26. e5 Be7 27. Bf3 f6) 25. Bxd1 Rd8 26. Kg2 g6 27. e5 Be7 28. Bf3 Bb4 29. Rd1 Rxd1 30. Bxd1 $14 {[%mdl 4096] Endgame KBB-KBN} Nd4 31. Be3 c5 32. a3 Ba5 33. Bf3 Bc7 ( 33... Nc2 $5 {[%CAl Rc2e1]} 34. Bxb7 Nxe3+ 35. fxe3 Bc7 $11) 34. Bxb7 Bxe5 35. f4 Bg7 36. g4 h6 37. Bd5 Nc2 38. Bxc5 Bxb2 39. a4 (39. Bxa7 {keeps more tension.} Nxa3 40. Kf3 Kg7 41. Bb8 Nb5 42. Bc4) 39... Bd4 40. Bxd4 Nxd4 $11 { KB-KN} 41. Kf2 Nc2 (41... Ne6 $1 $11 {keeps the balance.}) 42. Kf3 $1 $16 Nb4 43. Ke4 $1 Kf8 44. Bc4 (44. Kd4 $142 $1) 44... Ke7 45. Kd4 Nc6+ {Black cannot hold the game after this.} (45... Nc2+ $16 46. Kc5 Ne3) 46. Kc5 $18 Nd8 $2 {[#] } (46... Nb8 47. Kd5 g5) 47. Kb5 $1 {[%CAl Rb5a6]} Kd6 {[#]} 48. Ka6 $1 { [%CAl Ra6a7]} Kc5 49. Ba2 f6 50. Kxa7 Nc6+ 51. Kb7 g5 $2 (51... f5 52. gxf5 gxf5) 52. f5 Nb4 53. Bf7 Nc6 54. Be8 Na5+ 55. Kc7 Nc4 56. Kd7 Nb6+ 57. Ke6 Nd5 58. a5 Nf4+ 59. Kxf6 Nxh3 60. Kg7 {White mates.} Nf2 61. Bh5 Ne4 62. f6 { Accuracy: White = 88%, Black = 58%.} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.28"] [White "Peycheva, Gergana"] [Black "Yu, Jennifer"] [Result "0-1"] [ECO "D12"] [WhiteElo "2257"] [BlackElo "2315"] [Annotator "TA"] [PlyCount "74"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,74,19,20,20,25,17,25,18,18,19,20,3,50,39,68,68,69,0,0,0,0,0,-3,-36, -27,-72,-75,-60,-40,-41,-29,-109,-26,-36,-33,-77,-74,-76,-72,-101,-101,-84,-92, -109,0,-166,-163,-352,-357,-336,-316,-356,-375,-29971,-29972,-6395,-6295, -29985,-1076,-29986,-29987]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qc7 9. Bd2 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} Be7 10. Nxg6 hxg6 11. O-O-O {White has an edge.} dxc4 12. Bxc4 b5 13. Be2 a5 14. Kb1 Nbd7 {[#]} 15. Rc1 $146 ({Predecessor:} 15. Qc2 Qb7 16. e4 Nb6 17. Bg5 a4 18. e5 Nfd5 19. Bxe7 Nxc3+ 20. Qxc3 Nd5 21. Qc1 Nxe7 {1-0 (46) Reimanis,R (2421)-Stefanova,A (2462) chess.com INT 2020}) 15... b4 16. Ne4 (16. Na4 $1 $14 ) 16... Rxh2 $11 17. Nxf6+ gxf6 18. Rxh2 Qxh2 19. Rxc6 Qxg2 20. Qc4 Kf8 21. Bc1 Kg7 22. Qc2 {Strongly threatening Rc7.} Bd8 23. Qd2 {[#]} (23. e4 $11 {keeps the balance.}) 23... Nb6 (23... f5 $1 $17) 24. e4 Rc8 25. d5 {Black must now prevent Rxc8.} Rxc6 26. dxc6 Bc7 27. Qh6+ Kg8 28. Qe3 g5 29. Bd1 Nc4 ({Black should try} 29... Qh1 $17 30. Qd4 Kg7) 30. Qd4 $2 (30. Qa7 $1 $11 Qh1 31. Qxc7 Qxd1 32. Qd7 Qxf3 33. Qd4) 30... Qf1 $19 31. Qd7 $2 (31. Qxf6 {might work better.} Nd2+ 32. Kc2 Qc4+ 33. Kxd2 Bf4+ 34. Ke1 Qxc1 35. Qd8+ Kh7 36. Qd7) 31... Kg7 32. Qxc7 {Threatens to win with Qd8.} Qxd1 33. Qd7 {[#]} Nd6 $1 ({ Weaker is} 33... Qxf3 34. Qd4 $17) 34. b3 $2 (34. Qa7 $19 Qd3+ 35. Ka1) 34... Qd3+ 35. Kb2 a4 {[%mdl 64] ( -> ...a3+). Deflection} 36. bxa4 Nc4+ 37. Ka1 Qc2 {[%mdl 64] Double Attack. Weighted Error Value: White=0.71/Black=0.15} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.21"] [Round "8.29"] [White "Dragnev, Valentin"] [Black "Csiki, Endre"] [Result "1-0"] [ECO "C96"] [WhiteElo "2564"] [BlackElo "2231"] [Annotator "TA"] [PlyCount "77"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,77,31,12,19,22,38,32,31,40,23,27,38,38,67,34,109,114,104,106,96,93, 100,100,100,93,100,102,105,102,150,157,228,104,270,279,262,231,220,195,286,283, 396,414,394,375,1143,1060,12820,5576,29980,29981,29991,29992,29996,29997,29998, 29999]} 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 Na5 10. Bc2 c5 11. d4 Nd7 12. a4 Bb7 {The old main line. C96: Closed Ruy Lopez: Chigorin Defence: 11 d4, replies other than 11...Qc7.} 13. d5 Kh8 {[#]} 14. b3 $146 ({Predecessor:} 14. Na3 c4 15. axb5 axb5 16. Nxb5 Ba6 17. Na3 Nc5 18. Rb1 Nab3 19. Be3 Rb8 20. Bxb3 cxb3 21. Bxc5 dxc5 22. Nxe5 {1-0 (28) Fier,A (2560)-Perez Candelario,M (2612) chess24.com INT 2020}) 14... c4 { White is slightly better.} 15. bxc4 Nxc4 16. Na3 Nxa3 17. Bxa3 Nb6 18. Qd3 f5 ( {Better is} 18... Nxa4 $14 19. c4 Qc7) 19. exf5 $16 ({Don't play} 19. axb5 fxe4 20. Rxe4 (20. Qxe4 g6 $14) 20... g6 $14) 19... Nxd5 20. f6 {[%mdl 64] Discovered Attack} Nxf6 {[#]} 21. Nxe5 $1 {[%mdl 512]} dxe5 22. Qxd8 Rfxd8 23. Bxe7 Rd2 24. Bf5 bxa4 25. Rxa4 Nd5 26. Bg5 Rb2 (26... Nxc3 $16 {was worth a try.} 27. Bxd2 Nxa4 28. Rxe5 Rd8) 27. Rae4 (27. Rxe5 $18 {has better winning chances. Strongly threatening Rh4.} Nxc3 {[#]} 28. Rh4 $1 {[%mdl 512]}) 27... Nf6 $2 (27... g6 $16 {was necessary.}) 28. Rxe5 Rb6 29. Re7 Bd5 30. Be3 Rc6 ( 30... Rb7 {keeps fighting.} 31. Rxb7 Bxb7) 31. Bd4 $18 a5 32. g4 h6 33. h4 Bg8 $2 (33... Rg8 34. g5 Nh5) 34. g5 hxg5 35. hxg5 Nh5 36. R1e4 {White mates.} Bh7 {[#]} 37. Rh4 $1 Bxf5 38. Rxh5+ Bh7 39. Rxg7 {Black did not feel at home in the position after the opening. Weighted Error Value: White=0.09/Black=0.53} 1-0