CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/rL8Qnrkj"] [Date "2026.06.28"] [White "Rishi"] [Black "Grayson"] [Result "1-0"] [UTCDate "2026.06.28"] [UTCTime "17:03:52"] [WhiteElo "1447"] [BlackElo "1283"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-8"] [WhiteTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B20"] [Opening "Sicilian Defense: Lasker-Dunne Attack"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. g3 { B20 Sicilian Defense: Lasker-Dunne Attack } Nc6 3. Bg2 g6 4. Nf3 Bg7 5. O-O e6?! { (-0.06 → 0.46) Inaccuracy. d6 was best. } (5... d6 6. a4 e5 7. d3 Nge7 8. Nc3 O-O 9. Nd5 f5 10. Nxe7+ Qxe7 11. exf5 gxf5 12. Ng5) 6. Nc3 Nge7 7. d3 O-O 8. Bg5 d5 9. exd5 exd5 10. Bxe7 Qxe7?! { (-0.57 → 0.18) Inaccuracy. Nxe7 was best. } (10... Nxe7 11. d4 cxd4 12. Nxd4 Nc6 13. Nde2 d4 14. Nd5 h5 15. Nef4 Bg4 16. Qd2 Ne5 17. Rae1) 11. Qe1? { (0.18 → -1.34) Mistake. Nxd5 was best. } (11. Nxd5 Qd8) 11... Qd8 12. Nh4 Re8 13. Qd1?! { (-1.08 → -1.68) Inaccuracy. Qd2 was best. } (13. Qd2 Be6 14. Nf3 b5 15. Ng5 b4 16. Nxe6 fxe6 17. Nd1 Qd6 18. c3 a5 19. a3 a4) 13... a6?! { (-1.68 → -0.90) Inaccuracy. Be6 was best. } (13... Be6 14. Qd2 h6 15. Ne2 g5 16. Nf3 Qa5 17. Qxa5 Nxa5 18. Rab1 Nc6 19. h4 g4) 14. Nxd5?? { (-0.90 → -4.13) Blunder. Bxd5 was best. } (14. Bxd5 Nd4) 14... Bxb2?? { (-4.13 → 0.09) Blunder. g5 was best. } (14... g5) 15. Rb1 Bg7 16. Nb6 Ra7 17. Nxc8?! { (0.16 → -0.78) Inaccuracy. Bxc6 was best. } (17. Bxc6 bxc6) 17... Qxc8 18. Bxc6 bxc6? { (-0.81 → 0.24) Mistake. Qxc6 was best. } (18... Qxc6 19. Qf3) 19. Qf3 Ra8?! { (-0.24 → 0.37) Inaccuracy. Rae7 was best. } (19... Rae7 20. Ng2 Qe6 21. Nf4 Qxa2 22. Qxc6 Qxc2 23. Rfc1 Qa2 24. Qxc5 Rd7 25. Qc6 Rdd8 26. Re1) 20. Rb6 Qc7 21. Rxc6 Qb7?? { (0.71 → 2.57) Blunder. Qa5 was best. } (21... Qa5 22. Qd5 Red8 23. Qb3 Rdb8 24. Qc4 Rb4 25. Rxc5 Rxc4 26. Rxa5 Rxc2 27. Nf3 Bf8 28. Rb1) 22. Rxc5 Qxf3?! { (3.25 → 4.74) Inaccuracy. Qe7 was best. } (22... Qe7 23. Rc6) 23. Nxf3 Bf8 24. Rc3?! { (5.30 → 3.40) Inaccuracy. Rc4 was best. } (24. Rc4 Rab8 25. a4 Rb2 26. Re1 Reb8 27. Ree4 Ra2 28. Kg2 Rbb2 29. Nd4 Bb4 30. Re8+ Kg7) 24... Bg7? { (3.40 → 5.51) Mistake. Rab8 was best. } (24... Rab8) 25. Rc4 Re7 26. Re1 Rxe1+ 27. Nxe1 Rb8 28. Nf3 Rb1+ 29. Kg2 Ra1 30. a4 Rb1 31. Rc8+ Bf8 32. Ne5 Ra1 33. Nd7 Kg7 34. Nxf8 Rxa4 35. Nd7 Rd4 36. Ne5 f6 37. Rc7+ Kh6 38. Nf7+ Kg7 39. Ng5+ Kh6 40. Nf3 Rd5 41. g4 a5 42. h4 a4 43. Ra7 Rc5 44. Kg3 Rxc2? { (9.38 → Mate in 3) Checkmate is now unavoidable. g5 was best. } (44... g5 45. hxg5+ fxg5 46. c4 Rc6 47. Rxa4 Kg7 48. d4 Kf6 49. c5 Ke6 50. Ra7 h6 51. Ra8) 45. g5+ fxg5 46. hxg5+ Kh5 47. Rxa4 Rc3 48. d4?! { (Mate in 1 → 66.94) Lost forced checkmate sequence. Rh4# was best. } (48. Rh4#) 48... Rd3?! { (66.94 → Mate in 11) Checkmate is now unavoidable. h6 was best. } (48... h6 49. Ra1 Rxf3+ 50. Kxf3 Kxg5 51. d5 Kf5 52. Re1 g5 53. d6 g4+ 54. Kg3 h5 55. d7) 49. Kf4?! { (Mate in 11 → 55.25) Lost forced checkmate sequence. d5 was best. } (49. d5 Rxf3+ 50. Kxf3 Kxg5 51. d6 Kf6 52. Re4 g5 53. d7 Kf5 54. d8=Q g4+ 55. Ke3 h5) 49... h6 50. gxh6 Kxh6 51. Ne5 g5+ 52. Kg4 Rd2 53. f3 Rg2+ 54. Kh3 Rc2 55. Kg4 Rc3 56. d5 Rc2 57. Ra6+ Kg7 58. Kxg5 Rd2?! { (58.97 → Mate in 8) Checkmate is now unavoidable. Rb2 was best. } (58... Rb2 59. Ra7+ Kf8 60. d6 Rd2 61. Ra8+ Kg7 62. d7 Rxd7 63. Nxd7 Kf7 64. Nb6 Ke7 65. f4) 59. d6 Kf8 60. d7?! { (Mate in 5 → 66.37) Lost forced checkmate sequence. Kf6 was best. } (60. Kf6 Kg8 61. Kg6 Rxd6+ 62. Rxd6 Kf8 63. Re6 Kg8 64. Re8#) 60... Ke7 61. f4 Kd8?! { (65.05 → Mate in 13) Checkmate is now unavoidable. Rg2+ was best. } (61... Rg2+ 62. Kf5 Rg8 63. d8=Q+ Rxd8 64. Nc6+ Kd7 65. Nxd8 Kxd8 66. Kg6 Kc7 67. f5 Kb7 68. Re6) 62. Ra7 Rf2 63. Nf7+ Ke7 64. Ne5?! { (Mate in 2 → 70.02) Lost forced checkmate sequence. d8=Q+ was best. } (64. d8=Q+ Ke6 65. Re7#) 64... Kd8?! { (70.02 → Mate in 1) Checkmate is now unavoidable. Rg2+ was best. } (64... Rg2+ 65. Kf5 Rg8 66. Nc6+ Kd6 67. d8=Q+ Rxd8 68. Nxd8 Kd5 69. Kg6 Kc4 70. f5 Kc3 71. f6) 65. f5 Rf1 66. f6? { (Mate in 1 → 7.40) Lost forced checkmate sequence. Nc6# was best. } (66. Nc6#) 66... Rf2? { (7.40 → Mate in 1) Checkmate is now unavoidable. Rf5+ was best. } (66... Rf5+ 67. Kg6) 67. f7 Rf1 68. Nc6# { White wins by checkmate. } 1-0