[Event "87th Tata Steel Challengers 2025"] [Site "Wijk aan Zee"] [Date "2025.01.24"] [Round "6.1"] [White "Suleymanli, Aydin"] [Black "Gurel, Ediz"] [Result "1-0"] [ECO "E48"] [WhiteElo "2623"] [BlackElo "2624"] [Annotator "Stockfish 17 - Chessbase"] [PlyCount "183"] [EventDate "2025.??.??"] {[%evp 17,183,27,25,29,39,9,19,22,30,26,20,12,10,2,25,4,13,0,0,-14,12,0,0,0,0,0,51,49,85,83,86,83,103,101,107,91,104,105,103,95,102,108,111,105,113,115,113,0,120,0,111,99,105,86,122,118,134,137,125,112,118,111,118,108,117,124,138,125,135,111,115,0,114,129,152,128,136,100,110,103,118,106,123,108,104,68,75,68,71,60,101,104,94,84,109,70,80,60,99,42,46,52,43,44,135,118,111,111,114,112,114,112,120,125,124,130,131,122,130,144,169,165,183,181,230,204,252,256,256,248,490,491,407,456,538,506,502,480,533,495,348,477,518,454,369,369,335,228,1647,2225,2357,1954,1196,801,29965,29968,29981,29981,29982,29983,29984,12841,29975,29976,29985,29986,29986,29987]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 dxc4 7. Bxc4 Bd6 8. Nf3 Nc6 9. e4 e5 10. d5 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5.} Ne7 11. h3 Ng6 12. O-O {The position is equal.} a6 13. Re1 Bd7 $146 (13... h6 14. Be3 Nh5 15. Ne2 f5 16. Ng3 Nxg3 17. fxg3 f4 18. Bf2 fxg3 19. Bxg3 Nf4 20. Rf1 Bd7 21. Qd2 g5 22. Be2 Qe8 23. Nh2 h5 24. Qd1 Qg6 25. Bxf4 gxf4 26. Bxh5 Qxe4 27. Bg4 Bb5 28. Re1 {Robson,R (2700)-Theodorou,N (2619) chess.com INT 2024 1-0 (38)}) 14. Be3 Qe7 15. Rc1 b5 16. Ba2 $146 (16. Bd3 h6 17. Ne2 Nh5 18. Qd2 Qf6 19. Kh2 {½-½ Morcin,T (2115)-Van Hooff,R (2099) SA-2012-0-00313}) 16... a5 17. Nd2 b4 18. Ncb1 h6 19. axb4 axb4 20. Bc4 Rfc8 21. Qe2 Qe8 $6 {Inaccuracy. c6 was best.} (21... c6 22. dxc6) 22. Bd3 $14 Nh7 23. Nc4 Be7 24. Nbd2 Bg5 25. Nf3 Bxe3 26. Qxe3 (26. fxe3 Nf6 $14) 26... Qe7 {[#]} 27. h4 $1 {[%mdl 512]} Nf6 28. g3 Ng4 29. Qd2 Nf6 30. Nh2 Bh3 31. Rc2 Bd7 32. Rcc1 Bh3 $1 33. Rc2 Bd7 $1 34. Nf1 Ba4 35. Rcc1 Nd7 $6 {Inaccuracy. Nf8 was best.} (35... Nf8) 36. Bc2 Bxc2 37. Rxc2 Nf6 38. Qe3 Nf8 39. Rec1 N8d7 {Prevents Nb6.} 40. Nfd2 Ra6 41. Qe2 {[%CAl Yc4e5]} Rca8 42. Ne3 {[%csl Yc7] White attacks a weakness} Ne8 {[%CAl Yf6e8,Ye8d6,Yd6b5,Yb5d4,Yd4c2][%mdl 32]} 43. Qb5 Rb6 44. Qe2 {[%CAl Yd5d6]} Rba6 45. Nb3 Ndf6 46. Qe1 R6a7 (46... Nxe4 $2 47. Nf5 Qd7 48. Qxe4 $18) 47. Nc4 Nd6 48. Ncd2 (48. Qxb4 $6 Rb7 49. Qc3 Nfxe4) 48... Rb8 49. Qe3 Rba8 50. Rc6 Nfe8 51. Nc5 {White has more active pieces.} Nb5 52. Nd3 Nd4 53. R6c5 {[%CAl Yg1g2]} Ra1 {[%CAl Ye7c5] [#] and ...Qxc5! should not be overlooked} 54. Kg2 $1 b3 55. R5c3 Nc2 56. Qe2 Nd4 57. Qd1 Rxc1 58. Nxc1 (58. Qxc1 $2 Ne2 59. Qd1 (59. d6 $2 Qxd6 60. Nc4 Qd4 $19) 59... Nxc3 60. bxc3 Qa3 61. Nxb3 Nf6 $19) (58. Rxc1 $16 Nd6 59. Nxb3 Nxe4 60. Nxd4 exd4 61. Qg4) 58... Nd6 59. Ncxb3 f5 60. exf5 Qf7 $6 {Inaccuracy. N4xf5 was best. White leaves nothing to chance now.} (60... N4xf5 61. Nc5 Nb5) 61. Nxd4 exd4 62. Rf3 Qxd5 {[%CAl Yc7c5]} 63. Qb3 Qxb3 64. Nxb3 $16 {[%mdl 4096] Endgame KRN-KRN. White is a pawn up.} d3 65. Rxd3 Nxf5 66. Nc5 Rb8 67. b3 Rb5 68. Ne6 c6 69. h5 Re5 70. Nf4 Kf7 $6 {Inaccuracy. Ne7 was best.} (70... Ne7 71. Rd7 (71. Re3 Rxe3 72. fxe3 Nf5 73. Kf3 Kf7 74. Nd3 Ke6 75. g4 Nd6 76. Kf4) 71... Kf8) 71. Ng6 $18 Rd5 $6 {Inaccuracy. Re4 was best.} (71... Re4 72. Kf3 Rd4 73. Rc3 Ne7 74. Ne5+ Ke8 75. Re3 Kd8 76. Rd3 Rxd3+ 77. Nxd3) 72. Rxd5 cxd5 {KN-KN. White is a pawn up.} 73. Nf4 Ne7 $2 (73... Nd4 {was worth a try.} 74. b4 (74. Nxd5 Nxb3 75. f4 g6 $14) 74... Kf6 75. Nxd5+ Kf5) 74. b4 {[%CAl Yb3b4,Yb4b5][%mdl 32]} Ke8 75. Ne6 Kf7 76. Nd4 g6 77. hxg6+ Kxg6 78. b5 Nc8 79. f4 h5 80. Kh3 Nb6 81. Kh4 Nc4 82. Nc6 Kh6 $6 {Inaccuracy. Nb6 was best.} (82... Nb6 83. Nb4 (83. Ne5+) 83... Kh6) 83. g4 hxg4 84. Kxg4 {And now Ne5 would win.} Kg7 85. Ne5 {White wants to mate with Nxc4.} Nb6 86. Kf5 Kf8 87. Ke6 d4 88. f5 {[%CAl Yf4f5,Yf5f6][%mdl 32]} Na8 89. Kd6 (89. Nd7+ Kg8 90. b6 Kh7 91. Ke5 d3 92. Nf6+ (92. b7 d2 $18) 92... Kh6 93. b7 d2 94. bxa8=Q (94. bxa8=R d1=Q)) 89... Nb6 90. f6 {White mates.} d3 $6 {Inaccuracy. Na4 was best.} (90... Na4 91. f7 d3 92. Ke6 Nc5+ 93. Kf6 Ne4+ 94. Kg6 Nd6 95. Nd7+ Ke7 96. f8=Q+) 91. Nxd3 Kf7 92. Ne5+ {Weighted Error Value: White=0.17 (very precise) /Black=0.09 (flawless) Mistake: White=1 Black=5 Inaccurate: White=5 Black=4 OK: White=33 Black=22 Best: White=3 Black=4 Strong: White=1 Black=2 Precisão Stockfish 17: Brancas 97% Pretas 94% Precisão Chess.com: Brancas 92.8 Pretas 86.8} 1-0 [Event "87th Tata Steel Challengers 2025"] [Site "Wijk aan Zee"] [Date "2025.01.24"] [Round "6.2"] [White "Bulmaga, Irina"] [Black "Vaishali, Rameshbabu"] [Result "1/2-1/2"] [ECO "C11"] [WhiteElo "2386"] [BlackElo "2476"] [Annotator "Stockfish 17 - Chessbase"] [PlyCount "64"] [EventDate "2025.??.??"] {[%evp 16,64,13,10,12,5,20,31,47,25,12,19,30,7,15,8,52,36,25,25,33,39,24,0,0,0,21,23,26,0,0,0,0,0,0,0,0,-16,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 {[%CAl Yg1f3,Yf3d4,Yd4c6][%mdl 32]} Nc6 7. Be3 a6 8. a3 cxd4 9. Nxd4 Bc5 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} 10. Qd2 g5 $1 {[%mdl 4] is currently scoring better than 10...0-0.} 11. Nxc6 (11. fxg5 Bxd4 12. Bxd4 Nxd4 13. Qxd4 Qxg5 $15) (11. f5 Nxd4 12. Bxd4 Bxd4 13. Qxd4 Qb6 14. Qxb6 Nxb6 15. fxe6 fxe6 (15... Bxe6 16. O-O-O Rc8 17. Be2 Ke7 18. Rd4 Rc5 19. Rhd1 Rhc8 20. Bd3 h6 21. Rb4 R8c6 22. Re1 a5 23. Rb5 d4 24. Ne2 Bc4 25. Bxc4 Rxc4 {Hou Yifan (2633)-Vaishali,R (2487) London ENG 2024 1-0 (66)}) 16. h4 g4 17. Bd3 Nd7 18. O-O Ke7 19. Rae1 b5 20. Rf4 h5 21. Bg6 Rh6 22. Rf7+ Ke8 23. Rf6+ Ke7 24. Rf7+ Ke8 25. Rf6+ Ke7 {Svidler,P (2714)-Nepomniachtchi,I (2792) Paris 2021 ½-½}) 11... Bxe3 $1 {White is slightly better.} 12. Nxd8 {Excellent horsemanship.} Bxd2+ 13. Kxd2 {[%CAl Yd8f7] Black should prevent Nxf7!.} gxf4 $146 {[#]} (13... Kxd8 14. g3 b5 (14... gxf4 15. gxf4 f6 16. exf6 Nxf6 17. Bd3 Bd7 18. Rhg1 Kc7 19. Ne2 Raf8 20. Raf1 Kd6 21. Nd4 Rhg8 22. Rg3 Rxg3 23. hxg3 Rg8 24. Ne2 Be8 25. Rh1 Bh5 26. Bxh7 Rg7 27. Bd3 Bxe2 28. Kxe2 {Pichot,A (2642)-Bluebaum,M (2670) chess.com INT 2023 ½-½ (42)}) 15. Bd3 Bb7 16. Ne2 Ke7 17. Nd4 Rag8 18. Rhg1 Rg7 19. Nf3 h6 20. f5 exf5 21. Nd4 Rgg8 22. Rae1 Kd8 23. e6 fxe6 24. Nxe6+ Kc8 25. Bxf5 Kb8 26. Rgf1 Re8 27. Ng7 Rxe1 28. Rxe1 {Muzychuk,A (2525)-Agmanov,Z (2458) Almaty KAZ 2024 1-0 (60)}) 14. Nxf7 Kxf7 15. Re1 Rg8 {[#]} 16. Nxd5 $1 exd5 17. e6+ Kf6 18. exd7 Bxd7 19. Re2 Bf5 20. Rf2 {[%CAl Yf1d3]} Be4 21. Rxf4+ Ke5 22. Rf7 {[%CAl Yh1g1]} Raf8 {The position is equal.} 23. Re7+ Kd6 24. Rxb7 Rf2+ (24... Bxg2 25. Bxg2 Rxg2+ 26. Kc1 $15) 25. Ke3 Rxc2 {Threatens to win with ...Re8.} 26. Bxa6 Rgxg2 27. Bd3 $1 Bxd3 28. Kxd3 Rgd2+ (28... Rxh2 29. Rxh2 Rxh2 30. b4) 29. Ke3 Re2+ (29... Rxh2 30. Rxh2 Rxh2 31. a4) 30. Kd3 Rcd2+ (30... Rxh2 31. Rxh2 Rxh2 32. Kc3) 31. Kc3 Rc2+ (31... Rxh2 32. Rxh2 Rxh2 33. Rb5) 32. Kd3 Rcd2+ {Weighted Error Value: White=0.07 (flawless) /Black=0.05 (flawless) Inaccurate: White=1 Black=1 OK: White=9 Black=8 Best: White=2 Black=1 Strong: White=1 Black=1 Precisão Stockfish 17: Brancas 98% Pretas 98% Precisão Chess.com: Brancas 97.6 Pretas 98.1} (32... Rxh2 33. Rxh2 Rxh2 34. b3) 1/2-1/2 [Event "87th Tata Steel Challengers 2025"] [Site "Wijk aan Zee"] [Date "2025.01.24"] [Round "6.3"] [White "Bok, Benjamin"] [Black "Nogerbek, Kazybek"] [Result "1/2-1/2"] [ECO "D35"] [WhiteElo "2583"] [BlackElo "2514"] [Annotator "Stockfish 17 - Chessbase"] [PlyCount "60"] [EventDate "2025.??.??"] {[%evp 15,60,10,22,12,23,20,39,13,24,31,24,29,28,22,18,12,19,8,15,8,16,14,16,19,51,43,44,43,47,47,48,48,48,48,48,45,48,48,43,43,58,58,72,42,61,50,50]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 {[%CAl Yc1g5,Yg5h4,Yh4g3,Yg3f4,Yf4d6,Yd6e7][%mdl 32]} c6 6. e3 h6 7. Bh4 Be7 8. Bd3 O-O 9. Nge2 {9.Bg3 is the recent fashion. D35: Queen's Gambit Declined: Exchange Variation.} Ne8 10. Bg3 Nd6 11. Bf4 (11. O-O Re8 12. Qc2 Bf8 13. Rae1 a5 14. Nf4 Na6 15. a3 Qf6 16. f3 b5 17. Bf2 Nc4 18. g3 Qd8 19. e4 b4 20. exd5 Rxe1 21. Rxe1 Nd6 22. Na4 cxd5 23. Nxd5 Rb8 24. Nc5 Nb5 25. Bxb5 Rxb5 {Maghsoodloo,P (2721)-Carlsen,M (2856) Mayrhofen 2022 ½-½ (39)}) 11... Bf5 $146 (11... Re8 12. Ng3 Bf8 13. O-O Nd7 14. b3 b6 15. Rc1 Bb7 16. Qf3 Nf6 17. Be5 Nd7 18. Bxd6 Bxd6 19. e4 dxe4 20. Ncxe4 Bf8 21. Bc4 Nf6 22. Nh5 Nd5 23. Rfe1 Re6 24. Nf4 Re8 25. Nd3 b5 26. Ne5 {Caruana,F (2798)-Moussard,J (2600) chess.com INT 2024 1-0 (39)}) 12. Bxd6 Bxd3 13. Bxe7 Bxe2 14. Bxd8 Bxd1 15. Bh4 {Black is weak on the dark squares} Bh5 16. Kd2 Nd7 {[%CAl Yb8d7,Yd7b6,Yb6c4][%mdl 32]} 17. Na4 {[%CAl Yc3a4,Ya4c5,Yc5a6,Ya6b4,Yb4d3][%mdl 32]} Rfe8 18. Bg3 Bg6 19. Rac1 Nb6 $6 {Inaccuracy. f6 was best.} (19... f6 20. h4 h5 21. f3 a5 22. Bf4 Ra7 23. Rhg1 Ra6 24. Ke2 Bf5 25. Rgd1) 20. Nc5 Nc4+ 21. Kc3 b6 22. Na6 {Nc7 would now be deadly.} Rac8 23. b3 Na5 24. Kd2 Bf5 25. Rc3 Rcd8 26. Rd1 Bc8 27. Nb4 Bb7 {[%CAl Yc6c5]} 28. f3 f6 29. Nd3 g5 30. Rc2 Bc8 {Weighted Error Value: White=0.05 (flawless) /Black=0.08 (flawless) Inaccurate: White=2 Black=1 OK: White=13 Black=4 Best: White=1 Black=3 Precisão Stockfish 17: Brancas 98% Pretas 97% Precisão Chess.com: Brancas 97.9 Pretas 97.1} 1/2-1/2 [Event "87th Tata Steel Challengers 2025"] [Site "Wijk aan Zee"] [Date "2025.01.24"] [Round "6.4"] [White "Nguyen, Thai Dai Van"] [Black "L'Ami, Erwin"] [Result "1/2-1/2"] [ECO "B90"] [WhiteElo "2668"] [BlackElo "2614"] [Annotator "Stockfish 17 - Chessbase"] [PlyCount "74"] [EventDate "2025.??.??"] {[%evp 14,74,8,7,0,12,18,16,10,10,10,11,14,2,2,0,0,8,0,0,22,0,10,0,47,35,93,84,86,77,81,83,87,0,0,0,0,0,0,-20,-12,-18,-13,-37,-30,-22,-23,-60,-66,-70,-72,-77,-79,-65,0,0,0,0,0,0,0,-7,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 9. Bxf6 Bxf6 10. Nd5 {Prevents Qb6} Nd7 11. Bc4 Rc8 12. Qe2 Nb6 13. Nxf6+ Qxf6 14. Bxe6 Qxe6 15. O-O O-O 16. Rfd1 Rc6 17. b3 Nd7 18. Rd2 {Not much happening anymore} Nf6 $146 (18... Rfc8 19. Rad1 Qe7 20. g3 Nc5 21. Rd5 b5 22. axb5 axb5 23. h4 h6 24. h5 Qf6 25. R1d2 b4 26. Nh4 Ne6 27. Nf5 Nd4 28. Nxd4 exd4 29. Rb5 Rc3 30. Rxb4 d3 31. cxd3 Rc1+ 32. Kh2 Rb1 33. Rc4 {Ivanchuk,V (2611)-Donchenko,A (2633) Sant Ferran de ses Roques ESP 2024 ½-½ (54)}) 19. Rad1 $14 Qg4 $6 {Inaccuracy. Rd8 was best.} (19... Rfc8 $14) (19... Rd8) 20. Rxd6 $16 Rxd6 21. Rxd6 Nxe4 22. h3 Qf4 23. g3 $2 {Mistake. Rd7 was best.} (23. Rd7 b5 24. axb5 axb5 25. g3 Qc1+ 26. Kg2 Nf6 27. Rd1 Qb2 28. Nxe5 Re8) 23... Qc1+ 24. Qd1 Qxd1+ 25. Rxd1 {[%mdl 4096] Endgame KRN-KRN} f6 26. a5 Rc8 27. c4 Rc7 28. Kf1 Kf7 29. Rc1 Nc5 30. Rb1 Nd3 31. Nd2 Nb4 32. Ne4 f5 33. Ng5+ Kg6 (33... Ke7 $1 $15) 34. Ne6 {The position is equal.} Re7 35. Nc5 Rc7 36. Ne6 Re7 37. Nc5 Rc7 {Weighted Error Value: White=0.10 (very precise) /Black=0.07 (flawless) Mistake: White=1 Black=3 Inaccurate: White=1 --- OK: White=16 Black=14 Best: White=2 Black=1 Precisão Stockfish 17: Brancas 98% Pretas 97% Precisão Chess.com: Brancas 96.9% Pretas 97.2%} 1/2-1/2 [Event "87th Tata Steel Challengers 2025"] [Site "Wijk aan Zee"] [Date "2025.01.24"] [Round "6.5"] [White "Deshmukh, Divya"] [Black "Oro, Faustino"] [Result "0-1"] [ECO "A05"] [WhiteElo "2490"] [BlackElo "2447"] [Annotator "Stockfish 17 - Chessbase"] [PlyCount "142"] [EventDate "2025.??.??"] {[%evp 18,142,12,0,2,0,2,-5,8,0,0,0,0,-6,-12,-14,-12,-20,-18,-13,-15,-15,-14,-14,0,-10,0,-18,0,0,96,122,122,114,217,209,211,8,4,0,0,6,8,0,0,-18,-18,-29,-24,-31,0,0,0,0,0,-195,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,-12,-12,-12,-12,-11,-19,-12,-12,-12,-19,-19,-19,-19,-25,-19,-102,-19,-19,-12,-24,-11,-19,-19,-24,-24,-27,-34,-34,-27,-33,-30,-27,-22,-59,-59,-59,-60,-114,-69,-114,-114,-114,-113,-136,-141,-448,-459,-363,-297,-464,-454]} 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. a4 b4 5. O-O e6 6. d3 c5 7. e4 d6 8. Nbd2 Be7 9. Nc4 O-O 10. Re1 Nc6 {[%CAl Yb8c6,Yc6d4,Yd4f5,Yf5d6][%mdl 32] A05: Réti Opening: 1 Nf3 Nf6.} (10... Nbd7 11. Bf4 d5 12. Nd6 Bc6 13. Ng5 Nb6 14. Ndxf7 Rxf7 15. Bh3 Bd7 16. a5 e5 17. axb6 Bxh3 18. b7 Rb8 19. Bxe5 Rxb7 20. Nxh3 Qd7 21. Nf4 dxe4 22. dxe4 Ng4 23. Qd5 Nxe5 24. Qxe5 Bd6 25. Qd5 {Carlsen,M (2876)-Vachier Lagrave,M (2723) Stavanger 2015 0-1 (74)}) 11. Bf4 (11. a5 Rc8 12. e5 Nxe5 13. Nfxe5 Bxg2 14. Kxg2 dxe5 15. Nxe5 Nd5 16. Nc4) (11. e5 Ne8 12. exd6 Nxd6 13. Nfe5 Nxe5 14. Bxb7 Nxb7 15. Nxe5 Qc7 16. Bf4 Bd6 17. Qf3 Rac8 18. Re4 Na5 19. b3 Nc6 20. Nxc6 Qxc6 21. Bxd6 Qxd6 22. Rae1 h6 23. h4 Qd5 24. Qf4 Rcd8 25. Rc4 Rc8 {Wadsworth,M (2450)-Passen,B (1917) chess.com INT 2024 1-0 (43)}) 11... Rc8 $146 (11... d5 12. exd5 Nxd5 13. Be3 Qc7 14. Nfd2 Rad8 15. Qg4 Nxe3 16. fxe3 f5 17. Qe2 Ba6 18. Rad1 Ne5 19. b3 Bf6 20. Rf1 g6 21. Kh1 Kg7 22. Qf2 Ng4 23. Qf3 h5 24. Qc6 Qxc6 25. Bxc6 Bc3 26. h3 {Apryshko,G (2285)-Bukavshin,I (2539) St Petersburg 2013 0-1 (40)}) 12. h4 $146 (12. e5 dxe5 13. Nfxe5 Nd5 14. Nxc6 Bxc6 15. Be5 Bf6 16. Qe2 Bxe5 17. Qxe5 Qc7 18. f4 Nb6 19. Qxc7 {½-½ Beradze,I (2486)-Aleksandrov,A (2594) Nakhchivan op 2018 (5)}) 12... Re8 {The position is equal.} 13. e5 dxe5 14. Nfxe5 (14. Bxe5 Nxe5 15. Nfxe5 Bd5 16. Re3) 14... Nd5 15. Qg4 {[%CAl Ye5f7]} Nd4 16. c3 Nf6 17. Qd1 Bxg2 18. Kxg2 Qd5+ 19. Kh2 Nf5 (19... Nc6 {simplifies} 20. Ne3 Qd8 21. Nxc6 Rxc6 22. Qf3 Rc8) 20. Qe2 h6 21. h5 Nd6 22. Rad1 Rcd8 23. Na5 Rc8 $6 {Inaccuracy. bxc3 was best. [#] Wards off Nac6} (23... bxc3 24. bxc3 Qa8) 24. Nac6 $1 $16 bxc3 (24... Rxc6 $2 25. c4 $18) (24... Nf5 25. c4) 25. bxc3 Qb3 {[%csl Ye5] Strong Square White (e5)} (25... Rxc6 $2 26. c4 $18) (25... Nf5 $16 {is a better defense.}) 26. Rb1 $1 $18 (26. Nxa7 $6 Ra8 27. Nac6 Qxa4 $16) 26... Qxc3 27. Nxe7+ $6 {Inaccuracy. Nxa7 was best.} (27. Nxa7 Ra8 $16 (27... Rc7)) (27. Rec1 $1 $18 {[%CAl Rc1c3]} Qa3 28. Nc4 (28. Nxa7 Ra8 $16) 28... Nxc4 (28... Qxa4 $2 29. Nxe7+ Rxe7 30. Nxd6 $18) 29. Rxc4 Rxc6 30. Bc1) 27... Rxe7 {[#]} 28. Ng6 $1 fxg6 (28... Ree8 29. Be5) 29. Bxd6 Ree8 30. hxg6 Qd4 {[%csl Ya4,Yd6]} 31. Bf4 e5 32. Be3 Qxa4 33. Rb7 e4 34. Qb2 {aiming for Ra1.} Qc6 35. Ra1 a6 (35... exd3 $2 36. Raxa7 Kh8 (36... Ng4+ $2 37. Kg1 $18) 37. Rxg7 $18) 36. Rb6 $4 {Blunder. dxe4 was best.} (36. dxe4 Qxe4 37. Rxa6 Ng4+ (37... Qxg6 38. Raa7) 38. Kg1) 36... Ng4+ $4 {Blunder. Qd5 was best.} (36... Qd5 37. Rxf6 gxf6 38. Qxf6 Rc6 (38... exd3 39. Bxh6 Qb7 40. Rb1 $15)) 37. Kh3 Qd7 {Really sharp!} 38. Rb7 Nxf2+ (38... Nxe3+ $2 39. Rxd7 Nf5 40. dxe4 $18 (40. Rxa6 Rb8 $18)) 39. Kg2 Nxd3 {[%CAl Yf2d3,Yd3b2,Yb2c4][%mdl 32]} 40. Rxd7 Nxb2 41. Rxa6 Nc4 42. Bf4 {Threatening mate with Raa7.} Ra8 43. Rxa8 Rxa8 {[%mdl 4096] Endgame KRB-KRN. Black is two pawns up.} 44. Rc7 Re8 45. Rxc5 Nb6 46. Kf2 Re6 47. Ke3 Rxg6 48. Kxe4 Re6+ 49. Kf5 Rf6+ 50. Ke4 Nd7 51. Ra5 Nf8 52. Be5 Rf7 53. Bd6 Ne6 54. Bf4 {[#]} (54. g4) 54... Kh7 (54... Nxf4 $1 $17 55. gxf4 Re7+ 56. Kf3 Kf7) 55. Be3 Nf8 56. Rb5 Rf1 57. Rb7 Kg6 58. Ra7 Nh7 59. Bf4 Nf6+ 60. Ke3 Rb1 61. Kf3 Rb3+ 62. Kg2 Ng4 63. Ra6+ Kh5 64. Bd6 Rb2+ 65. Kf3 $6 {Inaccuracy. Kg1 was best.} (65. Kg1) 65... Nh2+ 66. Ke4 Re2+ 67. Kd5 g5 68. Bf8 {[#]} Ng4 $1 {Strongly threatening ...Re8.} 69. Bd6 $4 {[%mdl 8192] Blunder. Bc5 was best.} (69. Bc5 Rg2) 69... Nf6+ $19 70. Kc6 Rc2+ 71. Kb5 $6 {Inaccuracy. Kb6 was best.} (71. Kb6 Re2 72. Ka7 Re6 73. Bf8 Rxa6+ 74. Kxa6 Ne4 75. g4+ Kg6 76. Kb5 Nf2) 71... Ne8 {Never resign too early! Weighted Error Value: White=0.16 (very precise) /Black=0.18 (very precise) Loses game: White=2 --- Missed win: White=1 Black=1 Mistake: White=3 Black=3 Inaccurate: White=2 Black=2 OK: White=22 Black=25 Best: White=3 Black=4 Strong: White=1 Black=1 Brilliant: White=2 --- Precisão Stockfish 17: Brancas 91% Pretas 94% Precisão Chess.com: Brancas 90.0% Pretas 93.3.%} 0-1 [Event "87th Tata Steel Challengers 2025"] [Site "Wijk aan Zee"] [Date "2025.01.24"] [Round "6.6"] [White "Pijpers, Arthur"] [Black "Lu, Miaoyi"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "2474"] [BlackElo "2429"] [Annotator "Stockfish 17 - Chessbase"] [PlyCount "52"] [EventDate "2025.??.??"] {[%evp 16,52,26,8,22,29,27,34,21,19,35,0,0,0,0,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. h3 Be7 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 10. Nc3 Nh4 11. Nxh4 Bxh4 {White is slightly better.} 12. Be3 h5 {Black is weak on the dark squares} 13. Ne4 (13. Rad1+ Ke8 14. Ne2 Be7 15. Rfe1 a6 16. Bf4 g5 17. Bh2 Rh6 18. e6 Bxe6 19. Bxc7 Rc8 20. Ba5 c5 21. Nc3 Rc6 22. Nd5 Bxd5 23. Rxd5 Rhe6 24. Kf1 Rxe1+ 25. Bxe1 Rd6 26. Rxd6 Bxd6 27. g4 hxg4 {Vachier Lagrave,M (2779)-So,W (2780) Saint Louis 2018 ½-½ (45)}) (13. Ne2 Be7 14. a4 Ke8 15. f4 g6 16. Rad1 a6 17. c3 Be6 18. a5 h4 19. b4 Rd8 20. Rxd8+ Bxd8 21. Nd4 Bc8 22. f5 gxf5 23. Nxf5 Rg8 24. Kh2 Be6 25. Rf4 Bxf5 26. Rxf5 Rg3 27. Rf3 Rg8 {Kirk,E (2411)-Van Foreest,L (2523) Kragero NOR 2024 ½-½ (36)}) 13... Bf5 $146 {The position is equal.} (13... Be7 14. Rad1+ Ke8 15. Rfe1 Bf5 16. Bf4 Rd8 17. Nd6+ cxd6 18. exd6 Be6 19. dxe7 Kxe7 20. h4 f6 21. f3 Kf7 22. Kf2 Rhe8 23. a3 c5 24. Rd2 Rxd2+ 25. Bxd2 Rd8 26. Be3 b6 27. Rc1 Rd7 28. b4 {Ewert,H (2261)-Fakhrutdinov,T (2441) Mamaia 2017 ½-½ (56)}) 14. Rad1+ Kc8 15. f3 Re8 16. g4 Bg6 17. Bd4 {[%CAl Ye3d4,Yd4c3,Yc3e1][%mdl 32]} b6 18. Bc3 c5 19. Rd2 Kb7 20. Kg2 Rad8 21. Re2 f5 22. exf6 gxf6 23. Be1 $1 Bg5 24. Rff2 Bh4 25. Rf1 Bg5 26. Rff2 Bh4 {A rather calm draw. Weighted Error Value: White=0.03 (flawless) /Black=0.02 (flawless) Inaccurate: White=1 --- OK: White=11 Black=10 Strong: White=1 --- Precisão Stockfish 17: Brancas 99% Pretas 99% Precisão Chess.com: Brancas 99.4% Pretas 99.6%} 1/2-1/2 [Event "87th Tata Steel Challengers 2025"] [Site "Wijk aan Zee"] [Date "2025.01.24"] [Round "6.7"] [White "Yakubboev, Nodirbek"] [Black "Svane, Frederik"] [Result "1/2-1/2"] [ECO "A46"] [WhiteElo "2659"] [BlackElo "2664"] [Annotator "Stockfish 17 - Chessbase"] [PlyCount "61"] [EventDate "2025.??.??"] {[%evp 9,61,8,11,12,15,1,7,8,9,0,27,6,12,19,20,20,15,15,13,23,22,13,14,15,14,4,2,13,10,0,0,0,0,0,0,0,0,0,0,0,2,0,3,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 {[%CAl Yb1d2,Yd2c4,Yc4e5][%mdl 32]} h6 6. Nc4 (6. c3 Nh5 7. Bg3 Nxg3 8. hxg3 d5 9. Bd3 Bd6 10. Qe2 Qe7 11. dxc5 Bxc5 12. e4 d4 13. e5 dxc3 14. bxc3 Qc7 15. Rh4 b6 16. Rg4 Kf8 17. Rc4 Bb7 18. Nb3 Be7 19. Rd1 b5 20. Rf4 g5 {Gukesh,D (2744)-Caruana,F (2782) Zagreb CRO 2023 1-0 (41)}) 6... d5 7. Nce5 Bd6 $146 (7... Nh5 8. Bb5 Qa5+ {0-1 (8) Calderon,Z (2027)-Doknjas,N (2248) chess.com INT 2025}) (7... Qb6 8. Rb1 Nxe5 9. Nxe5 Bd6 10. c3 Bd7 11. Bd3 Rd8 12. a4 O-O 13. h4 cxd4 14. exd4 Ne4 15. O-O Be8 16. Qg4 Qc7 17. Bc2 Kh8 18. f3 Nf6 19. Qh3 Nh5 20. Bh2 f6 21. f4 fxe5 22. fxe5 {Abdusattorov,N (2766)-Maghsoodloo,P (2733) Tashkent UZB 2024 1-0 (32)}) 8. c3 Qc7 9. Bb5 {[#] dxc5 would now be deadly.} Nd7 10. Qa4 Ncxe5 11. Nxe5 a6 12. Nxd7 Bxd7 13. Bxd6 Qxd6 14. Bxd7+ Qxd7 15. Qxd7+ {The position is equal.} Kxd7 16. dxc5 {[%mdl 4096] Endgame. KRR-KRR} Kc6 17. b4 a5 18. a4 Ra7 $1 19. Kd2 Rha8 {And now ...axb4 would win.} 20. Rhb1 axb4 21. Rxb4 Kxc5 22. Kc2 b6 23. Kb3 Kc6 24. c4 Rd7 25. Rd1 Rad8 26. cxd5+ Rxd5 27. Rc4+ Kb7 28. Rcd4 Rxd4 29. Rxd4 Rxd4 30. exd4 h5 31. h4 {An interesting draw. Weighted Error Value: White=0.02 (flawless) /Black=0.02 (flawless) . Inaccurate: --- Black=1 OK: White=12 Black=12 Best: --- Black=1 Strong: --- Black=1 Precisão Stockfish 17: Brancas 99% Pretas 99% Precisão Chess.com: Brancas 98.9% Pretas 98.9%} 1/2-1/2