[Event "87th Tata Steel Challengers 2025"] [Site "Wijk aan Zee"] [Date "2025.01.25"] [Round "7.1"] [White "Svane, Frederik"] [Black "Bulmaga, Irina"] [Result "1-0"] [ECO "C50"] [WhiteElo "2664"] [BlackElo "2386"] [Annotator "Stockfish 17 - Chessbase"] [PlyCount "181"] [EventDate "2025.??.??"] {[%evp 10,181,13,4,6,0,3,0,0,0,0,-6,41,22,72,18,39,34,42,35,46,28,41,24,25,19,0,0,39,43,45,41,34,27,147,158,161,158,172,150,278,272,273,169,135,138,150,155,155,151,215,74,151,165,159,158,162,161,160,133,143,132,143,129,136,140,188,168,185,192,191,145,182,187,179,177,170,152,191,211,342,345,396,387,482,452,552,414,302,0,548,574,532,0,0,0,173,150,165,195,102,131,175,0,172,0,195,166,117,61,76,33,33,73,58,0,45,0,64,69,139,176,170,0,0,0,188,208,194,187,172,0,0,0,65,73,42,84,201,235,288,360,353,245,333,260,347,339,344,337,232,190,213,159,167,178,172,102,97,121,279,0,70,0,346,327,304,250,29984,29986,29985,29986,29985,29981]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 h6 6. h3 a6 {is currently scoring better than 6...d6. C50: Hungarian Defence and Giuoco Pianissimo.} 7. Be3 Bxe3 8. fxe3 d6 {The position is equal.} 9. a3 (9. Qe2 Na5 10. Bb3 Nxb3 11. axb3 Bd7 12. O-O O-O 13. Qf2 Qe7 14. Nh4 c6 15. Ne2 d5 16. exd5 cxd5 17. Ng3 Ne8 18. Nhf5 Bxf5 19. Nxf5 Qe6 20. Ra5 Kh7 21. e4 dxe4 22. dxe4 g6 23. Ne3 Nd6 {Urazayev,A (2448)-Mohammadi,M (2181) chess.com INT 2025 1-0 (40)}) 9... Be6 10. Nd2 $5 {[%mdl 4] Exploring less charted territory.} O-O (10... Bxc4 {should be considered.} 11. dxc4 Ne7) 11. Qe2 Re8 $6 $146 {Inaccuracy. b5 was best.} (11... Bd7) (11... Bxc4 12. dxc4 Nb8 13. g4 Ne8 14. h4 g6 15. O-O-O Nd7 16. h5 g5 17. Nf1 Ng7 18. Ng3 f6 19. Rhf1 Rf7 20. Kd2 Qf8 21. Ke1 Rd8 22. Kf2 c6 23. a4 a5 24. Kg2 Nc5 25. Rd2 Rfd7 26. b3 {Kollars,D (2648)-Dominguez Perez,L (2748) chess.com INT 2024 1-0 (68)}) (11... d5 12. exd5 Nxd5 13. Nce4 Qe7 14. Bxd5 Bxd5 15. g4 Qh4+ 16. Qf2 Qxf2+ 17. Kxf2 f5 18. gxf5 Rxf5+ 19. Ke2 Raf8 20. c4 Bxe4 21. Nxe4 Nd8 22. Rag1 Kh7 23. Rg3 Ne6 24. Rhg1 R8f7 25. h4 a5 26. b4 {Kollars,D (2648)-Dominguez Perez,L (2748) chess.com INT 2024 ½-½ (32)}) (11... b5 12. Bxe6) 12. Rf1 $6 {Inaccuracy. g4 was best.} (12. Bxe6 $16 Rxe6 13. Rf1) (12. g4) 12... Nb8 13. O-O-O Bxc4 14. dxc4 Nbd7 15. g4 Nh7 16. Rf2 Nc5 $6 {Inaccuracy. c6 was best.} (16... c6 17. Qf3 Qe7 18. Qg3 g6 19. Nb3 Nb6 20. Nd2) 17. Rh1 c6 18. h4 {[%CAl Yg4g5]} Ne6 {[#]} 19. g5 $1 hxg5 {Space Advantage White} 20. Qh5 g6 21. Qh6 {[%CAl Yf2f7]} Nef8 $6 {Inaccuracy. gxh4 was best.} (21... gxh4 22. Rxh4 Nef8) 22. Rhf1 $1 $16 {White is much more active.} f6 23. hxg5 (23. h5 gxh5 24. Qxh5 Re7) 23... Re6 24. Nf3 $1 {[%CAl Yd2f3,Yf3h2,Yh2g4][%mdl 32]} Qe7 $6 {Inaccuracy. Qd7 was best. [#]} (24... Qd7 25. gxf6 (25. Nd1 Rae8 26. Rh2 fxg5 27. Nxg5 R6e7 28. Nf2 Rg7 29. Qh4 Qe7 30. Ng4) 25... Rxf6) 25. Nd5 $1 $18 {[%mdl 512]} Qf7 (25... cxd5 26. cxd5 Qg7 27. Qxg7+ (27. dxe6 Qxh6 28. gxh6 Re8 $18) 27... Kxg7 28. dxe6 $18) 26. Nh2 $6 {Inaccuracy. Nh4 was best.} (26. Nh4 Qg7 27. Qxg7+ Kxg7 28. gxf6+ Kf7 29. Nc7 Rd8 30. Nxe6 Nxe6 31. Nf3 Rg8) 26... cxd5 27. cxd5 Re7 28. Ng4 $1 {[%CAl Rf2f6]} (28. gxf6 Rc7 $14) 28... Rc7 29. Qh4 (29. gxf6 $6 Kh8 $14) (29. Nxf6+ Nxf6 30. gxf6 (30. Rxf6 Qg7) 30... Qh7) 29... Qe8 (29... Qd7 $16) 30. gxf6 (30. Nxf6+ Nxf6 31. Rxf6 (31. gxf6 Rh7 $17) 31... Qe7) (30. Rh1 $1 $18 {and the rest is easy.} Kh8 (30... fxg5 $2 31. Nf6+ Kh8 32. Nxe8 $18) 31. Nxf6 (31. Rxf6 Qe7 $16)) 30... Kh8 (30... Rf7) 31. f7 $16 Qd8 32. Qh3 {The board is on fire.} (32. Rf6 Rxf7 33. Rh1 Qc7 $17) 32... Qg5 33. Nf6 Rxf7 34. Nxh7 Rxh7 35. Rxf8+ Rxf8 36. Rxf8+ $18 {[%mdl 4096] Endgame KQR-KQR. White is a pawn up. White attacks} Kg7 37. Qf3 $40 {[%mdl 128] White goes for the king.} Rh1+ (37... Qe7 $16 {was called for.} 38. Ra8 Rh8 39. Rxh8 Kxh8) 38. Kd2 $1 (38. Qxh1 Qxe3+ 39. Kb1 Kxf8 $16) 38... Rh2+ 39. Kd3 $1 Qe7 {Inhibits Qf7+.} 40. Rc8 Rh8 41. Rxh8 Kxh8 {KQ-KQ. White is a pawn up.} 42. Qh3+ Kg7 43. Qc8 {Prevents Qe8} Kh6 44. b4 Kg7 $6 {Inaccuracy. Kg5 was best.} (44... Kg5 45. Kd2 (45. c4) 45... Qg7) 45. a4 {[%CAl Ya3a4,Ya4a5][%mdl 32]} Qf7 46. Ke2 Qe7 47. a5 Kh7 48. Kd3 Qf7 49. Ke2 {Wards off Qf1+} (49. Kc3) 49... Qe7 $1 50. c4 Qh4 51. Qc7+ $4 {Blunder. Qxb7+ was best.} (51. Qxb7+ Kh6 52. Qxa6) 51... Kh6 52. Qxd6 Qh2+ $2 {Mistake. Qg4+ was best.} (52... Qg4+ 53. Kd2 Qg2+ 54. Kc3 Qf1 55. b5 Qe1+ 56. Kc2 Qe2+ 57. Kb3 Qd3+ 58. Kb4) 53. Kd3 $18 Qf2 {Against Qf8+} 54. Qxe5 Qf1+ 55. Kd2 Qf2+ 56. Kd3 Qf1+ 57. Kd2 Qf2+ 58. Kd1 $1 Qf1+ 59. Kc2 $1 (59. Kd2 Qf2+ $18) 59... Qe2+ $1 60. Kb3 Qd1+ 61. Kb2 Qd2+ 62. Kb3 Qd1+ 63. Kb2 Qd2+ 64. Ka3 Qd3+ 65. Ka2 $1 Qc2+ 66. Ka3 Qd3+ $1 67. Ka2 Qc2+ $1 68. Qb2 $1 (68. Ka3 $6 Qd3+ $16) 68... Qa4+ (68... Qxc4+ 69. Ka3 Qd3+ 70. Qb3) 69. Kb1 (69. Qa3 $6 Qc2+ 70. Qb2 Qa4+ (70... Qxc4+ 71. Ka1 $14) 71. Kb1 Qd1+ 72. Ka2 Qa4+ $14) 69... Qd1+ 70. Ka2 $2 (70. Qc1 $1 $18 {[%CAl Rc1d1]} Qb3+ 71. Ka1 (71. Qb2 Qd1+ 72. Ka2 Qa4+ 73. Qa3 Qc2+ 74. Ka1 Qd1+ 75. Kb2 Qe2+ 76. Kb1 Qd1+ 77. Qc1 Qb3+ 78. Ka1 Qa4+ 79. Kb2 Qxb4+ 80. Kc2 Qxc4+ 81. Kd2 Qxe4 $14) 71... Qa4+ 72. Kb2 Qxb4+ 73. Kc2 Qxc4+ 74. Kd2 Qxe4 75. Qc5) 70... Qa4+ 71. Kb1 (71. Qa3 Qc2+ 72. Qb2 Qa4+ (72... Qxc4+ $2 73. Ka1 $18)) 71... Qd1+ $14 72. Qc1 $1 Qb3+ 73. Ka1 Qa4+ $6 {Inaccuracy. Qxb4 was best.} (73... Qxb4 74. Qb2 (74. Ka2 g5 75. Qf1 Qc3 76. e5 Qxe5 77. Qd3 Kg7 78. Kb3 Kf8 79. Qc3) 74... Qxa5+ 75. Kb1 Qe1+ 76. Kc2 Qe2+ 77. Kb3 Qxe3+ 78. Qc3 Qxe4) 74. Kb2 $1 $18 Qxb4+ 75. Kc2 $1 Qxc4+ {[#]} 76. Kd2 $1 Qxe4 77. Qc5 Qf5 78. Qd4 Qf2+ {[#]} 79. Kc3 $1 Qe1+ 80. Qd2 Qa1+ 81. Kb4 Qb1+ 82. Kc5 b6+ 83. Kd4 $6 {Inaccuracy. Kd6 was best.} (83. axb6 Qb5+ 84. Kd6 Qxb6+ 85. Kd7 Qb7+ 86. Kd8 Qb8+ 87. Kd7 Qb7+ 88. Kd8 Qb8+ 89. Kd7 Qb7+ $14) (83. Kc6 $18 Qb5+ 84. Kc7 Qc5+ 85. Kd7 bxa5 86. e4+ Kh7 87. d6) (83. Kd6) 83... Qa1+ $16 84. Ke4 Qb1+ $6 {Inaccuracy. bxa5 was best.} (84... bxa5 85. d6 Qa4+ 86. Qd4 Qd7) 85. Kd4 $6 {Inaccuracy. Ke5 was best.} (85. Ke5 Qf5+ 86. Kd6 Qf6+ 87. Kc7 Qe7+ 88. Kxb6 Qd6+ 89. Kb7 g5 90. e4 Kh5) 85... Qa1+ $14 86. Ke4 $2 {[%mdl 8192]} (86. Qc3 $1 $14 Qa4+ (86... Qxc3+ $2 87. Kxc3 bxa5 88. d6 $18) 87. Qc4 Qd1+ (87... Qxc4+ $2 88. Kxc4 b5+ 89. Kc5 $18) 88. Ke5 Qh5+ 89. Ke6 Qf5+ 90. Ke7 Qe5+ 91. Kd7) 86... Qb1+ $6 $18 {Inaccuracy. bxa5 was best.} (86... bxa5) 87. Ke5 {and e4+ would now be decisive} Qf5+ 88. Kd6 {White wants to mate with e4+.} bxa5 $4 {Blunder. Qf6+ was best.} (88... Qf6+ 89. Kc7 Qe7+ 90. Kxb6 Qd6+ 91. Ka7 (91. Kb7 g5 92. e4 Kh5 93. Qf2 Qb4+ 94. Kxa6) 91... g5) 89. e4+ {White mates.} Qg5 90. Qxg5+ (90. Qxa5 Qf6+ 91. Kd7 Qf7+ 92. Kc6 Qe8+ 93. Kb6 Qd8+ 94. Kxa6 Qa8+ 95. Kb5 Qe8+ 96. Kc5 Qxe4 $14) 90... Kxg5 91. Kc7 $6 {Inaccuracy. Ke5 was best. Weighted Error Value: White=0.28 (precise) /Black=0.24 (precise) Loses game: --- Black=1 Missed win: White=3 --- Mistake: White=6 Black=11 Inaccurate: White=2 Black=2 OK: White=20 Black=34 Best: White=17 Black=15 Strong: White=12 Black=5 Brilliant: White=1 --- Precisão Stockfish 17: Brancas 94% Pretas 91% Precisão Chess.com: Brancas 89.5% Pretas 75.5%} (91. Ke5 a4 92. d6 a5 93. d7 Kg4 94. d8=Q g5 95. Kf6 a3 96. Qxa5 Kf4) 1-0 [Event "87th Tata Steel Challengers 2025"] [Site "Wijk aan Zee"] [Date "2025.01.25"] [Round "7.2"] [White "Lu, Miaoyi"] [Black "Deshmukh, Divya"] [Result "1-0"] [ECO "B30"] [WhiteElo "2429"] [BlackElo "2490"] [Annotator "Stockfish 17 - Chessbase"] [PlyCount "79"] [EventDate "2025.??.??"] {[%evp 20,79,8,12,18,-7,11,0,54,0,66,72,71,59,78,68,86,80,96,71,82,75,100,89,102,94,143,128,131,124,100,77,80,74,65,43,100,36,37,29,106,62,118,115,183,175,511,497,625,633,593,505,1163,548,827,290,805,671,29959,6519,29994,29995]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 {[%CAl Yg8f6,Yf6d5,Yd5c7,Yc7e6][%mdl 32]} 4. e5 Nd5 5. Nc3 Nc7 6. Bxc6 dxc6 7. d3 g6 8. h3 Bg7 9. O-O O-O 10. Re1 Ne6 11. a4 $1 {[%mdl 4] is currently scoring better than 11.Ne4.} a5 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} 12. Ne2 (12. Be3 Nd4 13. Bf4 Ne6 14. Bg3 b6 15. Qd2 f5 16. exf6 exf6 17. Re2 Ra7 18. Rae1 Re7 19. Ne4 f5 20. Neg5 Rfe8 21. Be5 Nxg5 22. Qxg5 Qd5 23. Qf4 b5 24. Re3 Bf8 25. b3 h6 26. h4 Re6 {Bochnicka,V (2347)-Ponizil,C (2465) Slovakia SVK 2025 1-0 (37)}) 12... b6 13. Nf4 Ra7 (13... Nd4) 14. b3 $6 $146 {Inaccuracy. Nxe6 was best.} (14. Nxe6 Bxe6 15. b3 (15. Qe2 h6 16. b3 Bd5 17. Nh2 Rd7 18. f4 Kh7 19. Rf1 f5) 15... Rd7 16. Qe2 Bd5 17. Nd2 f5 18. f4 h6 19. Nf3 Be6 {½-½ (19) Opacic,A (2063)-Isonzo,D (2340) Lido degli Estensi 2003}) 14... h6 $6 {Inaccuracy. Nd4 was best.} (14... Nd4 15. c3 Nxf3+ 16. Qxf3 Bf5 17. Qxc6 Rd7 18. d4 cxd4 19. g4 Bc2 20. cxd4) 15. Nxe6 $14 Bxe6 16. Bb2 Qc8 17. Qe2 Rd8 $146 (17... Bd5 18. Nd2 Kh7 19. Rad1 Rb7 20. c4 Be6 21. Nf3 Re8 22. d4 cxd4 23. Nxd4 Rd8 24. Nxe6 Rxd1 {½-½ Gholami,A (2541)-Ameir,M (2342) Mumbai Wealth op 5th 2019 (7)}) 18. Bc3 Rad7 19. Nh2 Rd5 20. f4 h5 21. Nf1 Bh6 22. Qf2 Rf8 (22... R5d7) 23. Ne3 $16 Rdd8 24. Qh4 Rde8 25. Rf1 f5 26. exf6 {White attacks White is more active.} exf6 27. g4 Qc7 (27... Bxb3 $6 28. Rae1 $18) (27... Qd7 $1 $14) 28. Ng2 (28. Bxf6 Bxf4 29. Rae1 Bxb3 30. cxb3 Bxe3+ (30... Rxe3 $2 31. Rxe3 Bxe3+ 32. Kg2 $19) 31. Kg2 Qd7 32. gxh5 Qd5+ 33. Kh2 (33. Rf3 $2 Bg5 $19) 33... g5 $19 (33... gxh5 $2 34. Qg3+ $18)) (28. gxh5 $16 g5 29. Qg3) 28... Bd5 $1 $14 29. gxh5 (29. Bxf6 $2 Bxg2 30. Rf2 (30. Kxg2 $2 Re2+ 31. Rf2 Rxf2+ 32. Qxf2 Rxf6 $19) 30... Bg7 31. Bxg7 Qxg7 $19) 29... g5 $6 {Inaccuracy. gxh5 was best.} (29... gxh5 30. Rf2 (30. Bxf6 $2 Rxf6 31. Qxf6 Re6 $19) (30. Qxh5 Qg7 $16) 30... Qf7) 30. Qg3 $6 {Inaccuracy. Qg4 was best. Rae1 would now be deadly.} (30. Qg4) 30... Kh7 $6 {Inaccuracy. Rf7 was best. [#]} (30... Rf7 31. Rfe1 Rd8) 31. Rae1 $1 $16 Rxe1 $6 {Inaccuracy. f5 was best.} (31... f5 32. Rxe8 (32. Nh4) 32... Rxe8) 32. Rxe1 $18 (32. Bxe1 Rg8 33. f5 Qxg3 34. Bxg3 g4 $15) 32... Rg8 $4 {Blunder. b5 was best.} (32... b5 33. Kh2 (33. Kf2) 33... b4) 33. Qg4 {Threatening mate with Qf5+.} (33. Bxf6 gxf4 34. Re7+ Qxe7) 33... Rf8 34. Qf5+ Kg8 35. Bxf6 Qf7 (35... Bg7 36. fxg5 Bxg2 37. Kxg2 Qf7) 36. fxg5 (36. Re7 Qxe7 37. Qg6+ (37. fxg5 $2 Qf7 $19) 37... Qg7 38. Bxg7 Bxg7 39. h6 (39. fxg5 Kh8 $18) (39. Qxg5 Kh7 $18)) 36... Bg7 37. Nf4 $6 {Inaccuracy. Qg4 was best. [#]} (37. Re7 Qxe7 $17) (37. Qg4 c4 38. h6 Bf3 39. Qxf3 Bxf6 40. gxf6 cxb3 41. cxb3 Qxf6 42. Qxf6 Rxf6) 37... Bf3 $6 {Inaccuracy. Bxf6 was best.} (37... Bxf6 38. gxf6 (38. Qxf6 Qxf6 39. gxf6 Rxf6 40. Nxd5 cxd5 41. Re5 Rd6 42. Rg5+ Kf7 43. Rg6) 38... Qxf6 39. Qxf6 Rxf6) 38. Ne6 {[%CAl Ye6f8]} (38. Re7 $2 Qxe7 39. Kf2 Bd1 $19 (39... Bxf6 40. gxf6 Qxf6 41. Qxf6 $15)) 38... Qxh5 $6 {Inaccuracy. Bxf6 was best.} (38... Bxf6 39. Qxf3 Bd4+ 40. Nxd4 Qh7 41. Qg4 cxd4 42. Qe6+ Kh8 43. h6 b5 44. Qe5+) 39. Nxf8 $6 {Inaccuracy. Nxg7 was best.} (39. Nxg7 Rxf6 40. gxf6 Qxf5 41. Nxf5 Kf7 42. Rf1 Be2 43. Rf2 Bd1 44. Nd6+ Kf8) 39... Qh4 $4 {Checkmate is now unavoidable. Bxf8 was best.} (39... Bxf8 40. Qe6+ Qf7 41. Qxf7+ Kxf7 42. Rf1 Bd5 43. c4 Be6 44. Bd8+ Kg8 45. Kg2) 40. Qe6+ {Weighted Error Value: White=0.54/Black=1.37 Mistake: White=3 Black=9 Inaccurate: White=1 Black=2 OK: White=7 Black=3 Best: White=2 --- Strong: White=1 Black=1 Precisão Stockfish 17: Brancas 96% Pretas 87% Precisão Chess.com: Brancas 89.0% Pretas 76.4%} 1-0 [Event "87th Tata Steel Challengers 2025"] [Site "Wijk aan Zee"] [Date "2025.01.25"] [Round "7.3"] [White "Oro, Faustino"] [Black "Nguyen, Thai Dai Van"] [Result "0-1"] [ECO "B23"] [WhiteElo "2447"] [BlackElo "2668"] [Annotator "Stockfish 17 - Chessbase"] [PlyCount "100"] [EventDate "2025.??.??"] {[%evp 9,100,0,0,0,14,15,16,9,16,10,15,15,29,25,33,0,0,7,19,12,50,0,0,0,0,0,0,-8,-8,-8,0,0,0,0,0,2,0,-44,-44,-118,-120,-125,-119,-126,-125,-143,-116,-157,-141,-139,-138,-137,-133,-172,-182,-177,-173,-194,-174,-188,0,-184,0,-185,-181,-195,-192,-191,-191,-195,-195,-216,-210,-229,-218,-221,-224,-287,-173,-172,-174,-185,-179,-168,-170,-240,-242,-247,-247,-250,-250,-257,-257]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 a6 5. a4 e6 6. Nge2 {B23: Closed Sicilian: Lines without g3.} Ne7 7. Nxd4 cxd4 8. Ne2 {The position is equal.} Nc6 9. O-O Bc5 10. d3 O-O 11. Ng3 b6 $146 (11... d5 12. exd5 exd5 13. Bb3 Be6 14. Qh5 Qd7 15. f4 f5 16. Bd2 Rf6 17. a5 Bf7 {0-1 Bauer,T (2151)-Samani,Y (2357) EU-ch 23rd Vrnjacka Banja 2023 (5)}) (11... Ne7 12. Bb3 Kh8 13. f4 f5 14. exf5 exf5 15. Kh1 b6 16. Ne2 Bb7 17. c3 Qc7 18. cxd4 Bb4 19. Bd2 Bxd2 20. Qxd2 Qd6 21. Rae1 Ng6 22. Nc3 Qxd4 23. Qe3 Qxe3 24. Rxe3 Rae8 25. Rxe8 Rxe8 26. Kg1 {Nuber,K (2317)-Deglmann,L (2324) Augsburg 2012 1-0 (60)}) 12. Qh5 g6 13. Qe2 d5 $6 {Inaccuracy. Qh4 was best.} (13... Qh4 14. e5 f5 15. exf6 d5 16. Bb3 Qxf6 17. Qg4 Ne5 18. Qe2 Nc6) 14. Bb3 Re8 15. Re1 (15. exd5 $14 exd5 16. Bg5) 15... Bb7 16. Bd2 dxe4 17. Nxe4 Be7 18. Qf3 Rc8 19. Rac1 Ba8 20. Qg3 Na5 21. Ba2 Qd7 22. Qe5 $6 {Inaccuracy. Ng5 was best. [#] Hoping for Bh6.} (22. Ng5 Qxa4) 22... Bxe4 23. Qxe4 $6 {Inaccuracy. Rxe4 was best.} (23. Rxe4) 23... Qxa4 24. Bxa5 $6 {Inaccuracy. Ra1 was best.} (24. Bxe6 fxe6 25. Qxe6+ Kg7 26. Qxb6 Nc6 $17) (24. Ra1 Qd7 (24... Rxc2 25. Bxe6 Qb5 26. Bxa5) (24... Qxc2 25. Bxe6 fxe6 26. Qxe6+ Kg7 27. Rac1) 25. Qg4) 24... Qxa5 $17 25. Bb3 {[%CAl Yc1a1]} Qc5 {Black is more active.} 26. Ra1 a5 27. Ra4 Bf6 28. g3 Qd6 29. Rea1 Rc5 {White is weak on the dark squares} 30. Rc4 Rxc4 31. Bxc4 Rb8 32. Bb3 Qc7 33. Qe1 Be7 34. Qe4 Bf6 35. Qe1 $1 Be7 36. Qe4 b5 37. Rc1 a4 38. Ba2 Bg5 39. Re1 Bf6 (39... Qxc2 40. Qe5 Rf8 41. Qxg5 Qxb2 (41... Qxd3 $2 {too greedy.} 42. Rxe6 a3 43. Rb6 $18) 42. Bb1) 40. Qe2 Rc8 41. Rc1 Bg5 42. f4 Bf6 43. Qe4 Qc6 44. Qxc6 Rxc6 $19 {[%mdl 4096] Endgame KRB-KRB. Black is a pawn up.} 45. Kf1 g5 46. Ke2 Rc5 47. Kd2 $6 {Inaccuracy. h3 was best.} (47. Kf3) (47. h3 Kg7 48. Kf3 h5 49. Bb1 b4 50. Rg1 Kh6 51. Re1 Kg6 52. Re2) 47... gxf4 48. gxf4 Rf5 49. Rf1 {[#]} Rxf4 $3 {[%mdl 512]} 50. Rxf4 (50. Ke1 Bh4+) 50... Bg5 {Weighted Error Value: White=0.12 (very precise) /Black=0.13 (very precise) Mistake: White=3 --- Inaccurate: White=3 Black=2 OK: White=16 Black=26 Best: White=2 Black=3 Strong: White=1 --- Precisão Stockfish 17: Brancas 93% Pretas 97% Precisão Chess.com: Brancas 89.7% Pretas 94.8%} 0-1 [Event "87th Tata Steel Challengers 2025"] [Site "Wijk aan Zee"] [Date "2025.01.25"] [Round "7.4"] [White "L'Ami, Erwin"] [Black "Suleymanli, Aydin"] [Result "1/2-1/2"] [ECO "C50"] [WhiteElo "2614"] [BlackElo "2623"] [Annotator "Stockfish 17 - Chessbase"] [PlyCount "82"] [EventDate "2025.??.??"] {[%evp 10,82,12,0,21,11,26,19,28,6,10,3,3,1,2,4,13,14,30,21,35,23,29,21,23,24,44,41,44,57,61,41,41,35,30,28,31,0,0,0,34,12,16,15,9,16,8,18,12,0,11,0,0,0,0,0,0,0,13,14,13,9,11,8,10,11,46,46,46,46,46,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 h6 6. Be3 Bb4 {C50: Hungarian Defence and Giuoco Pianissimo.} 7. Nd2 Ne7 $146 (7... Bxc3 8. bxc3 O-O 9. Qf3 d6 10. h3 Be6 11. Bb3 a5 12. Ba4 Rb8 13. Qg3 Nh5 14. Qf3 Nf6 15. Rb1 Bxa2 16. Rb2 Be6 17. g4 Nh7 18. h4 f6 19. Qg3 g5 20. hxg5 hxg5 21. d4 Ne7 22. Rh6 {Nepomniachtchi,I (2755)-Durarbayli,V (2622) New York USA 2024 ½-½ (60)}) (7... O-O 8. Nd5 Nxd5 9. Bxd5 Bxd2+ 10. Qxd2 d6 11. O-O Be6 12. Bxc6 bxc6 13. f4 exf4 14. Rxf4 f5 15. exf5 Rxf5 16. Rxf5 Bxf5 17. Rf1 Qd7 18. Qf2 Bg6 19. Qg3 Kh7 20. h3 Qe7 21. b3 Re8 22. Bd2 {Mamedov,R (2646)-Suleymanli,A (2560) Baku AZE 2023 ½-½ (53)}) 8. Bb3 c6 9. d4 d6 10. a3 Bxc3 11. bxc3 O-O 12. O-O Ng6 13. f3 Qe7 14. Re1 Be6 15. dxe5 dxe5 16. Bxe6 Qxe6 17. Qb1 b5 18. Qb3 Qc8 19. c4 a6 20. cxb5 cxb5 21. c4 Rb8 22. Rac1 {[#] Hoping for cxb5.} Qd7 23. Red1 Nf4 24. Bxf4 bxc4 25. Qxc4 exf4 26. Nb3 {[%CAl Yd2b3,Yb3d4,Yd4e2,Ye2f4][%mdl 32]} Rfc8 {[#]} 27. Qxc8+ $1 Qxc8 28. Rxc8+ Rxc8 {[%mdl 4096] Endgame KRN-KRN} 29. Nd4 Rc3 30. Ne2 {[%csl Yc3,Yf4]} Rxa3 31. Nxf4 g5 32. Ne2 Nh5 33. Rd6 Nf4 34. Nxf4 {KRN-KR} Ra1+ 35. Kf2 gxf4 {KR-KR} 36. h4 Kg7 37. Rd5 Rb1 38. Ra5 $1 Rb6 39. Kg1 f6 40. h5 (40. Ra2 $14) 40... Rb1+ 41. Kh2 Rb5 {Weighted Error Value: White=0.07 (flawless) /Black=0.07 (flawless) Mistake: White=1 --- Inaccurate: White=1 Black=2 OK: White=9 Black=13 Best: White=1 Black=2 Strong: White=1 --- Precisão Stockfish 17: Brancas 98% Pretas 98% Precisão Chess.com: Brancas 98.0% Pretas 97.9%} 1/2-1/2 [Event "87th Tata Steel Challengers 2025"] [Site "Wijk aan Zee"] [Date "2025.01.25"] [Round "7.5"] [White "Vaishali, Rameshbabu"] [Black "Bok, Benjamin"] [Result "1/2-1/2"] [ECO "B22"] [WhiteElo "2476"] [BlackElo "2583"] [Annotator "Stockfish 17 - Chessbase"] [PlyCount "108"] [EventDate "2025.??.??"] {[%evp 0,87,28,28,55,0,17,31,1,1,1,-13,-4,-12,18,-5,-5,0,13,-17,12,6,25,14,59,15,65,61,45,45,45,47,48,43,38,35,29,19,29,31,27,16,29,0,0,0,0,-11,-24,-21,-14,-18,-24,-24,-23,-60,-35,-28,-38,-32,-37,-40,-35,-37,-35,-31,-33,-19,-41,-45,-46,-40,-32,-40,-37,-49,-30,-40,-47,-55,-28,-25,-11,-49,0,-49,-9,-22,-19,-20]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Bc4 Nb6 5. Bb3 c4 6. Bc2 d5 7. exd6 Qxd6 8. Na3 Nc6 (8... g6 9. b3 cxb3 10. axb3 Bg7 11. Nf3 Nc6 12. O-O O-O 13. Nc4 Qc7 14. Nxb6 Qxb6 15. d4 Qc7 16. Re1 b5 17. Bg5 e6 18. Be4 Bb7 19. Qd3 f5 20. Bxc6 Qxc6 21. h4 a5 22. c4 bxc4 23. bxc4 {Giri,A (2764)-Gelfand,B (2676) chess24.com INT 2020 ½-½}) 9. b3 (9. Nf3 Ne5 10. O-O Bg4 11. Be4 Nxf3+ 12. Bxf3 Bxf3 13. Qxf3 Qc6 14. Qxc6+ bxc6 15. b3 O-O-O 16. f4 Rd3 17. Nc2 e6 18. Kf2 Rd7 19. Ke2 Bd6 20. g3 e5 21. f5 h5 22. Ba3 h4 23. Rh1 Bxa3 {Aravindh,C (2670)-Neiksans,A (2575) Chartres FRA 2024 1-0 (52)}) 9... Ne5 $146 (9... cxb3 10. axb3 g6 11. Ne2 Bg7 12. d4 O-O 13. O-O Rd8 14. Nc4 Nxc4 15. bxc4 b6 16. Ng3 Bb7 17. Re1 Qc7 18. Qg4 e5 19. d5 Na5 20. Ra4 f5 21. Nxf5 Bc8 22. d6 Rxd6 23. c5 Rd8 24. Rxa5 {Polivanov,A (2420)-Shevchenko,K (2553) Seville 2020 0-1 (50)}) 10. Nxc4 Nbxc4 11. d4 Nb6 12. dxe5 Qxe5+ 13. Ne2 Bg4 14. Bf4 Qxf4 15. Nxf4 Bxd1 16. Rxd1 Rc8 17. Be4 Rxc3 18. Bxb7 e6 19. O-O Ba3 20. Rfe1 Ke7 21. Ne2 Rc7 22. Bf3 Bb4 23. Rc1 Rd7 24. Red1 Rhd8 25. Rxd7+ Rxd7 26. g3 f5 27. Rc2 e5 28. Bc6 Rd2 29. Rxd2 Bxd2 30. a3 Kd6 31. Bb5 Kc5 32. Be8 a5 33. Kg2 Nd5 34. h3 Nf6 35. Bf7 Kd6 36. Bc4 g5 37. Ba6 Nd5 38. Bc8 Ne7 39. Bb7 Kc7 40. Ba6 Kd6 41. Bb7 Nd5 42. Bc8 f4 43. Kf3 Nf6 44. gxf4 gxf4 45. Bb7 h6 46. Ba8 Kc5 47. Bb7 Kb5 48. Kg2 a4 49. bxa4+ Kxa4 50. Ng1 Bc1 51. Nf3 e4 52. Ne5 Bxa3 53. Ng4 Nxg4 54. hxg4 e3 {1/2-1/2 wins. Precisão Stockfish 17: Brancas 99% Pretas 99% Precisão Chess.com: Brancas 98.4% Pretas 98.6%} 1/2-1/2 [Event "87th Tata Steel Challengers 2025"] [Site "Wijk aan Zee"] [Date "2025.01.25"] [Round "7.6"] [White "Gurel, Ediz"] [Black "Yakubboev, Nodirbek"] [Result "1-0"] [ECO "C65"] [WhiteElo "2624"] [BlackElo "2659"] [Annotator "Stockfish 17 - Chessbase"] [PlyCount "75"] [EventDate "2025.??.??"] {[%evp 9,75,13,18,10,12,5,10,13,6,0,0,-8,18,-6,20,17,19,19,4,10,5,14,12,15,13,17,39,50,23,32,78,41,26,29,20,11,8,0,165,161,169,161,167,149,133,0,0,0,28,0,0,0,0,0,25,0,2,-10,-34,-27,388,384,868,839,29982,29983,29996,29997]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 {[%CAl Yd2c4] C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} (6. Nxe5 $2 Qd4 7. Be3 Qxe5 $19) 6... Nd7 7. O-O O-O 8. Nc4 {The position is equal.} Re8 9. a4 a5 {The main line 9...a5 scores better than 9...f6.} 10. Kh1 Bf8 11. Be3 b6 12. Nfd2 Nc5 13. f4 exf4 14. Bxf4 f6 15. Qf3 (15. Nf3 Be6 16. b3 Bxc4 17. bxc4 Qd7 18. Qe1 Ne6 19. Bd2 Nd4 20. Nxd4 Qxd4 21. Bc3 Qd7 22. Qh4 Re6 23. Rf5 Rae8 24. Raf1 Bd6 25. Rh5 h6 26. Qg4 Kh7 27. Bd2 Qf7 28. Qh3 Re5 29. Rhf5 Rxf5 {Robson,R (2700)-Zou,C (2449) chess.com INT 2024 0-1 (68)}) 15... Be6 16. Ne3 $146 (16. Qg3 Rc8 17. b3 Na6 18. Ne3 Nb4 19. Nf3 Kh8 20. h4 c5 21. Rac1 Nc6 22. h5 Bd6 23. Bxd6 Qxd6 24. Qxd6 cxd6 25. h6 Rcd8 26. Nd2 Ne5 27. Ndc4 Nxc4 28. bxc4 Rb8 29. Rf3 Rf8 30. Rcf1 Bd7 {Givon,A (2415)-Drenchev,P (2485) Albena 2013 ½-½ (96)}) 16... Qd7 17. Qg3 Re7 18. e5 f5 {NOTEXT-51077 White (e5)} 19. Nf3 Bd5 (19... Qe8 $14) 20. Nh4 Rf7 21. Bg5 {[%CAl Ya1e1]} Be6 22. Rf4 g6 $1 23. Bf6 Rg7 $2 {Mistake. Bg7 was best.} (23... Bg7) 24. Raf1 $18 g5 25. Bxg5 {[%csl Yf5,Yh7] Black has weak pawns. White has strong rooks and is better} h6 {[#]} 26. Nhxf5 $1 Rxg5 27. Qh4 $2 {Mistake. Rg4 was best.} (27. Rg4 Qd8 (27... Bxf5) 28. d4 Rxg4 29. Qxg4+ (29. Nxg4 Kh8 $16) 29... Qg5 30. Qf3 (30. dxc5 Qxg4 31. Nxg4 Bxc5 $18)) 27... Bxf5 $1 28. Nxf5 Qh7 29. R4f3 {[%mdl 1024] and Qc4+ should not be overlooked White has compensation.} (29. Nd4 $5) 29... Qg6 $1 30. Qf2 Ne6 31. d4 $36 {[%mdl 2048] White fights for an advantage.} Kh8 32. Nh4 $6 {Inaccuracy. c3 was best.} (32. c3 Qh7) 32... Qg8 $6 {Inaccuracy. Qe4 was best.} (32... Qe4 33. c3 Re8 34. Re1 Qh7 35. Rf7 Bg7 36. Rf3 Rg4 37. h3 Re4 38. Rxe4) 33. Nf5 Rd8 34. Qh4 Kh7 $4 {[%mdl 8192] Blunder. Qh7 was best. [#] Loses the game.} (34... Rg6) (34... Qh7 35. Ne3) 35. Nxh6 $1 $18 Bxh6 {[#]} (35... Qg6) 36. Rf7+ $1 Ng7 $2 {Mistake. Qg7 was best.} (36... Qg7 37. Rxg7+ Nxg7 38. Rf6 Rh5 39. Rxh6+ Rxh6 40. Qxd8 b5 41. Kg1 Ne6 42. Qd7+) 37. R1f6 {[%csl Gh4][%CAl Rf6h6]} Rg6 $2 {Checkmate is now unavoidable. Qf8 was best.} (37... Qf8 38. Qxh6+ Kg8 39. Rxf8+ Rxf8 40. Qxg5 Rf7 41. h4 Kf8 42. Kh2 Rxf6 43. Qxf6+) 38. Rxg6 {Weighted Error Value: White=0.12 (very precise) /Black=0.55 Loses game: --- Black=2 Mistake: White=1 Black=2 Inaccurate: White=2 Black=4 OK: White=11 Black=8 Best: --- Black=3 Strong: White=2 Black=3 Precisão Stockfish 17: Brancas 94% Pretas 82% Precisão Chess.com: Brancas 93.0% Pretas 83.9%} (38. Rxc7 $2 {too greedy.} Rf8 39. Qe4 Rfxf6 40. exf6 Qf8 41. Rxc6 Bg5 $19) 1-0 [Event "87th Tata Steel Challengers 2025"] [Site "Wijk aan Zee"] [Date "2025.01.25"] [Round "7.7"] [White "Nogerbek, Kazybek"] [Black "Pijpers, Arthur"] [Result "1/2-1/2"] [ECO "B50"] [WhiteElo "2514"] [BlackElo "2474"] [Annotator "Stockfish 17 - Chessbase"] [PlyCount "93"] [EventDate "2025.??.??"] {[%evp 9,93,16,20,15,17,0,20,0,0,0,0,0,15,15,15,22,36,44,60,43,37,47,81,82,87,60,89,46,81,33,35,25,30,-15,-19,-79,-88,-86,-73,-82,-78,-81,-81,-74,-72,-72,-78,-97,-92,-98,-100,-106,-54,-50,-33,-53,0,0,0,-12,-14,-7,-16,-50,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-6,-8,-8,-11,0,-8,0,-15,0,-8] Precisão Stockfish 17: Brancas 96% Pretas 96% Precisão Chess.com: Brancas 94.4% Pretas 94.5%} 1. e4 c5 2. Nf3 d6 3. Nc3 Nc6 4. Bb5 e5 5. d3 Nf6 6. a4 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} (6. O-O Be7 7. h3 O-O 8. a4 h6 9. Bc4 Be6 10. Re1 Qd7 11. Bd2 Rae8 12. Nd5 Bd8 13. c3 a6 14. a5 Bxd5 15. exd5 Ne7 16. Qb3 Ng6 17. Qa2 Nh5 18. Bb3 Nhf4 19. Ba4 Qf5 20. Bxe8 Rxe8 {Praggnanandhaa,R (2757)-Shankland,S (2683) Biel SUI 2024 0-1 (51)}) 6... Be7 7. h3 (7. O-O O-O 8. Bc4 h6 9. Re1 Be6 10. Nd2 d5 11. exd5 Nxd5 12. Bxd5 Bxd5 13. Nc4 f6 14. Be3 f5 15. f3 b6 16. Bf2 Bf6 17. Nxd5 Qxd5 18. a5 b5 19. Ne3 Qe6 20. c4 bxc4 21. Nxc4 Qd5 {Peng,X (2521)-Zhang,D (2362) Fuling CHN 2024 0-1 (48)}) 7... O-O 8. Bc4 $146 (8. Bg5 Ne8 9. Bxe7 Nxe7 10. Bc4 Nc7 11. a5 Rb8 12. Qd2 h6 13. Nh2 Ng6 14. Ng4 Kh7 15. g3 f5 16. exf5 Bxf5 17. Ne3 Bd7 18. Ncd5 Ne6 19. Ng4 Nd4 20. O-O-O Ba4 21. b3 Bc6 22. h4 b5 {Burnett,A (2140)-Wells,P (2440) Edinburgh 2002 0-1}) 8... Be6 $146 {[%CAl Yf6e4]} (8... Nd7 9. O-O Nb6 10. Ba2 Be6 11. Nd5 Bxd5 12. Bxd5 Nxd5 13. exd5 Nb4 14. c4 f5 {0-1 Punin,A (2289)-Karttunen,M (2489) Titled Tuesday intern op 01st Feb-B blitz 2022 (8)}) 9. Ng5 Qd7 10. O-O Bxc4 11. dxc4 h6 12. Nf3 Nd4 13. Be3 Qc6 14. Re1 Bd8 15. Nd2 Nh7 16. Nd5 Qd7 17. Ra3 Ne6 {[%csl Yd5] Strong Square White (d5)} 18. Qh5 Kh8 19. h4 {White is much more active.} (19. Nf1 $16) 19... Nd4 20. Bxd4 cxd4 21. Rf3 Qxa4 22. Rxf7 $6 {Inaccuracy. Rc1 was best.} (22. b3 Qd7 23. Nf1) (22. Rc1) 22... Rxf7 $17 (22... Qxc2 23. Rxf8+ Nxf8 24. Qe8) 23. Qxf7 Bxh4 24. b3 {[#]} Qa5 25. Nf3 {[%CAl Yf3h4]} (25. Qxb7 $2 Rf8 (25... Bxf2+ $2 26. Kh2 $19) 26. Re2 Qa1+ 27. Nf1 Qd1 $19) 25... Ng5 26. b4 {aiming for Nxg5.} Nxf7 27. bxa5 Bf6 28. Rb1 Nd8 29. c5 $6 {Inaccuracy. c3 was best.} (29. c3 dxc3) 29... dxc5 30. Nd2 Rc8 $2 {Mistake. c4 was best.} (30... c4 31. Nxc4 Rc8) 31. Nc4 $15 Rc6 32. g3 g5 (32... Re6 $15) 33. Nxf6 Rxf6 {[%mdl 4096] Endgame KRN-KRN. Black is two pawns up.} 34. Rb5 Rc6 {...a6 poses a challenge} 35. Nxe5 Rc7 36. Kg2 Kg7 (36... Ne6 $15) 37. f4 {The position is equal.} gxf4 38. gxf4 Ne6 39. Kf3 c4 (39... d3 $5 40. c3 c4 (40... d2 41. Rb1 $16)) 40. Rb4 {[#]} d3 $1 41. c3 (41. cxd3 $2 {perishes.} c3 42. Rb1 c2 43. Rg1+ Kf8 $19) 41... d2 42. Rb1 Nc5 $1 43. Ke3 Nb3 {[%CAl Yh6h5]} 44. Ke2 Nc5 45. Ke3 Nb3 {[%CAl Yg7f6]} 46. Ke2 Nc5 (46... Nxa5 47. Kxd2 Nb3+ 48. Ke3) 47. Ke3 {Weighted Error Value: White=0.11 (very precise) /Black=0.09 (flawless) Mistake: White=2 Black=3 Inaccurate: White=4 Black=3 OK: White=17 Black=15 Best: White=6 Black=2 Strong: --- Black=1} 1/2-1/2