CohenChessClub.com

[Event "October Chess Megatournament"] [Site "https://cohenchessclub.com/J3OIQBtQ"] [Date "2024.10.20"] [White "Matthew10"] [Black "Nikolai"] [Result "1/2-1/2"] [UTCDate "2024.10.20"] [UTCTime "19:00:00"] [WhiteElo "1595"] [BlackElo "1286"] [WhiteRatingDiff "-7"] [BlackRatingDiff "+5"] [WhiteTitle "🐍"] [Variant "Standard"] [TimeControl "600+1"] [ECO "A45"] [Opening "Indian Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nf6 { A45 Indian Defense } 2. Nc3 e6?! { (-0.06 → 0.51) Inaccuracy. d5 was best. } (2... d5) 3. Bf4?! { (0.51 → -0.03) Inaccuracy. e4 was best. } (3. e4) 3... c5?! { (-0.03 → 0.59) Inaccuracy. Bb4 was best. } (3... Bb4 4. Qd3) 4. e3?! { (0.59 → 0.02) Inaccuracy. d5 was best. } (4. d5) 4... cxd4 5. Qxd4?! { (0.25 → -0.65) Inaccuracy. exd4 was best. } (5. exd4 Be7 6. Nf3 Nc6 7. Bd3 Nb4 8. Be2 O-O 9. a3 Nbd5 10. Nxd5 Nxd5 11. Bd2 b6) 5... Be7?? { (-0.65 → 2.20) Blunder. a6 was best. } (5... a6) 6. Bd3?? { (2.20 → -1.45) Blunder. Bxb8 was best. } (6. Bxb8 Rxb8) 6... O-O?? { (-1.45 → 1.55) Blunder. Nc6 was best. } (6... Nc6 7. Qa4 d5 8. Nf3 O-O 9. e4 d4 10. Ne2 Bd7 11. O-O e5 12. Bd2 Bg4 13. Qb3) 7. Nf3?? { (1.55 → -1.12) Blunder. Bxb8 was best. } (7. Bxb8) 7... d6? { (-1.12 → -0.03) Mistake. Nc6 was best. } (7... Nc6 8. Qa4) 8. Qc4?? { (-0.03 → -4.39) Blunder. Bg5 was best. } (8. Bg5 Nbd7 9. Qh4 Re8 10. O-O-O Nc5 11. e4 e5 12. Bc4 h6 13. Bxf6 Bxf6 14. Qh5 Rf8) 8... Nbd7?? { (-4.39 → -1.32) Blunder. e5 was best. } (8... e5 9. Bg5) 9. O-O b6?? { (-1.72 → 0.95) Blunder. e5 was best. } (9... e5) 10. Ne4?? { (0.95 → -2.17) Blunder. Qc6 was best. } (10. Qc6 Rb8 11. Bxd6 Bb7 12. Qc7 Qxc7 13. Bxc7 Rbc8 14. Nb5 Ne8 15. Bg3 a6 16. Nbd4 Nef6) 10... Bb7? { (-2.17 → -1.04) Mistake. e5 was best. } (10... e5 11. Bg3) 11. Nxf6+ Nxf6 12. h3?? { (-1.10 → -5.30) Blunder. Bg5 was best. } (12. Bg5 Rc8) 12... Qd7?? { (-5.30 → -0.82) Blunder. e5 was best. } (12... e5 13. Nxe5) 13. e4?? { (-0.82 → -3.62) Blunder. Bg5 was best. } (13. Bg5 e5 14. Bxf6 Bxf6 15. e4 d5 16. Qb4 Rad8 17. Rfd1 Qc7 18. Qe1 g6 19. exd5 Bxd5) 13... h6?? { (-3.62 → -0.82) Blunder. Rac8 was best. } (13... Rac8 14. Qb4 d5 15. Qb3 dxe4 16. Ne5 Qc7 17. Ng6 Bd6 18. Bxd6 Qxd6 19. Nxf8 exd3 20. Nxe6) 14. b4?? { (-0.82 → -3.26) Blunder. Bh2 was best. } (14. Bh2 Rfc8) 14... Qc6?? { (-3.26 → -0.62) Blunder. Rfc8 was best. } (14... Rfc8 15. Qb3) 15. Qxc6 Bxc6 16. Rae1 Bb7 17. c4 d5 18. cxd5 exd5?! { (-0.56 → 0.21) Inaccuracy. Bxb4 was best. } (18... Bxb4 19. Rb1) 19. exd5?? { (0.21 → -2.41) Blunder. e5 was best. } (19. e5) 19... Bxb4 20. Rc1 Bxd5 21. Nd4?! { (-2.19 → -3.18) Inaccuracy. a4 was best. } (21. a4 Rfd8 22. Ne5 Ba3 23. Ra1 Bb2 24. Rab1 Bd4 25. Rbc1 Ne4 26. Bxe4 Bxe4 27. Rc7 Bd5) 21... Bxa2 22. Rc2?! { (-3.36 → -4.80) Inaccuracy. Nc6 was best. } (22. Nc6 a5 23. Nxb4 axb4 24. Rfd1 Rfd8 25. Bb5 Be6 26. Bc6 Rxd1+ 27. Rxd1 Ra5 28. Be3 b3) 22... Be6? { (-4.80 → -2.58) Mistake. Bd5 was best. } (22... Bd5 23. Ba6 Bc5 24. Nb5 Rad8 25. Be3 Bxe3 26. fxe3 Be4 27. Rc7 Nd5 28. Rxa7 Bxg2 29. Kxg2) 23. Nxe6 fxe6 24. Rc7?? { (-2.47 → -7.00) Blunder. Rc6 was best. } (24. Rc6 Rad8 25. Bg6 Nd5 26. Be5 Ne7 27. Rc7 a5 28. Bc2 Rf7 29. Bb3 Nd5 30. Rc6 Re7) 24... Bc5?? { (-7.00 → -2.32) Blunder. Nd5 was best. } (24... Nd5) 25. Be5 Rfc8?! { (-2.60 → -1.62) Inaccuracy. Rf7 was best. } (25... Rf7 26. Rc6 Re7 27. Bc4 Nd5 28. Re1 Rae8 29. Bd6 Bxd6 30. Rxd6 Kf8 31. Rd1 Kf7 32. Rd3) 26. Rxc8+?? { (-1.62 → -4.39) Blunder. Rb7 was best. } (26. Rb7 a5 27. Re1 Re8 28. Bb5 Re7 29. Rxe7 Bxe7 30. Bxf6 gxf6 31. Rxe6 Bc5 32. Re8+ Rxe8) 26... Rxc8 27. Bc4 Kf7 28. Bb3 Rd8 29. Rc1 Rd3 30. Bc4 Rd7?! { (-6.38 → -4.85) Inaccuracy. Rd2 was best. } (30... Rd2 31. Ba6) 31. Bb5?! { (-4.85 → -6.42) Inaccuracy. Re1 was best. } (31. Re1 Nd5 32. h4 a5 33. Bb5 Rd8 34. g3 Be7 35. Bb2 Nc7 36. Be2 a4 37. Kg2 b5) 31... Rd5 32. Bc3 a5 33. Bc6 Rf5 34. Be1 Nd5 35. Rd1 Nf6 36. g4 Rg5? { (-6.98 → -4.17) Mistake. Rf4 was best. } (36... Rf4) 37. Kg2 Bb4? { (-4.87 → -2.75) Mistake. Re5 was best. } (37... Re5 38. Kf1 Nd5 39. f4 Re3 40. f5 Ne7 41. fxe6+ Kxe6 42. Bb5 Ng6 43. Rd3 Rxd3 44. Bxd3) 38. Bxb4 axb4 39. Rb1?? { (-2.86 → -6.30) Blunder. Rd4 was best. } (39. Rd4) 39... Nd5?? { (-6.30 → -2.49) Blunder. Rc5 was best. } (39... Rc5 40. Ba4) 40. Kf3?! { (-2.49 → -3.63) Inaccuracy. Bxd5 was best. } (40. Bxd5 Rxd5) 40... Re5? { (-3.63 → -1.83) Mistake. Ne7 was best. } (40... Ne7 41. Be4 Rb5 42. Bd3 Rd5 43. Ke4 Nc6 44. Ke3 Rc5 45. Be4 Rc3+ 46. Kd2 Ne5 47. Rxb4) 41. h4? { (-1.83 → -3.78) Mistake. Bxd5 was best. } (41. Bxd5 Rxd5 42. Rxb4 b5 43. h4 Ke7 44. Ke4 Kd6 45. Rb1 g6 46. f3 Kc6 47. Rc1+ Kd7) 41... g5?? { (-3.78 → -0.61) Blunder. Ne7 was best. } (41... Ne7) 42. h5?? { (-0.61 → -5.01) Blunder. Bxd5 was best. } (42. Bxd5) 42... Kf6?? { (-5.01 → -1.65) Blunder. Re4 was best. } (42... Re4 43. Kxe4 Nc3+ 44. Kd3 Nxb1 45. Kc4 Kf6 46. Kxb4 Ke5 47. Kc4 Nd2+ 48. Kd3 Nb3 49. Ke3) 43. Be8?? { (-1.65 → -6.22) Blunder. Bxd5 was best. } (43. Bxd5 exd5) 43... Kg7?! { (-6.22 → -3.90) Inaccuracy. Ke7 was best. } (43... Ke7) 44. Bg6?! { (-3.90 → -5.75) Inaccuracy. Rb2 was best. } (44. Rb2 Nf6) 44... Kf6 45. Kg3 Re2 46. Bd3 Rd2 47. Bh7 Rd4 48. Kf3 Nc3 49. Rb3 Na4 50. Ke3 Rxg4 51. f3 Rc4 52. Kd3 Rc3+ 53. Rxc3 Nxc3 54. Kc2 Nd5 55. Kb3 Ke5 56. Be4 Kf4 57. Kc4 Kg3 58. Kd4 Kh4 59. Ke5 Kxh5 60. Kxe6 Nc3 61. Kd6 b3 62. Kc6 b2 63. Bd3 b1=Q 64. Bxb1 Nxb1 65. Kxb6 g4 66. fxg4+ Kxg4 67. Kc5 h5 68. Kd4 h4 69. Ke3?! { (-58.57 → Mate in 23) Checkmate is now unavoidable. Kd3 was best. } (69. Kd3) 69... h3 70. Kf2 Kh4 71. Kg1?! { (-55.51 → Mate in 15) Checkmate is now unavoidable. Kf3 was best. } (71. Kf3 Na3 72. Ke3 h2 73. Kd4 h1=Q 74. Kc5 Qb7 75. Kd6 Nc4+ 76. Ke6 Nb2 77. Kf6 Kg4) 71... Kg3 72. Kh1 Kg4 73. Kh2 Kh4 74. Kh1 Kg3 75. Kg1 h2+?? { (Mate in 5 → 0.00) Lost forced checkmate sequence. Nd2 was best. } (75... Nd2 76. Kh1 Ne4 77. Kg1 h2+ 78. Kf1 Kf3 79. Ke1 h1=Q#) 76. Kh1 Kh3 { Draw by stalemate. } 1/2-1/2