CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/IitzYCvc"] [Date "2026.10.30"] [White "BENJAMIN4"] [Black "ChessMasterPlayer"] [Result "1-0"] [UTCDate "2026.10.30"] [UTCTime "23:30:32"] [WhiteElo "1615"] [BlackElo "1540"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-7"] [WhiteTitle "NM🏜"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Mason Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Mason Variation } Nf6 3. e3 Bf5 4. Nf3 Nc6?! { (0.33 → 1.01) Inaccuracy. e6 was best. } (4... e6 5. Bd3) 5. Bd3?! { (1.01 → 0.37) Inaccuracy. Bb5 was best. } (5. Bb5 Nd7 6. c4 dxc4 7. Nc3 e6 8. Bxc4 Bd6 9. Bg3 O-O 10. Rc1 Bxg3 11. hxg3 Nf6) 5... Bxd3 6. cxd3 e6 7. Nc3 Bd6 8. Bxd6 Qxd6 9. O-O O-O 10. Qb3 b6 11. Nb5 Qb4?? { (0.34 → 2.85) Blunder. Qd7 was best. } (11... Qd7 12. Rfc1 Rfc8 13. h3 a5 14. Qa4 Na7 15. Nc3 Qxa4 16. Nxa4 Ne8 17. Rc2 f6 18. Rac1) 12. Qxb4?? { (2.85 → 0.54) Blunder. Rfc1 was best. } (12. Rfc1) 12... Nxb4 13. Nxc7? { (0.63 → -0.63) Mistake. Rfd1 was best. } (13. Rfd1 c6 14. Nc3 Rfc8 15. a3 Na6 16. Kf1 Ne8 17. Rac1 f6 18. h4 Kf7 19. g4 c5) 13... Rac8 14. Nb5 Nxd3?! { (-0.97 → -0.05) Inaccuracy. a6 was best. } (14... a6 15. Nc3 Nxd3 16. Rab1 h6 17. a4 Ne4 18. Nxe4 dxe4 19. Ne5 Nxe5 20. dxe5 Rfd8 21. h4) 15. Rab1? { (-0.05 → -1.24) Mistake. Nxa7 was best. } (15. Nxa7) 15... Rc2?! { (-1.24 → -0.47) Inaccuracy. Ne4 was best. } (15... Ne4 16. Ne1 Nc1 17. Nf3 Nxa2 18. Nxa7 Rc2 19. Ne1 Rc4 20. Nf3 Ra8 21. Nb5 Rc2 22. Na3) 16. Nxa7? { (-0.47 → -1.57) Mistake. Ne1 was best. } (16. Ne1 Nxe1 17. Rfxe1 g5 18. f3 Rfc8 19. Na3 Rd2 20. Kf1 Kf8 21. Re2 Rxe2 22. Kxe2 g4) 16... Rxb2?? { (-1.57 → 0.13) Blunder. Ra8 was best. } (16... Ra8 17. Nb5) 17. Rxb2 Nxb2 18. Rb1 Nc4 19. Nc6?! { (-0.78 → -1.84) Inaccuracy. Nb5 was best. } (19. Nb5) 19... Rc8?? { (-1.84 → 8.45) Blunder. Ra8 was best. } (19... Ra8 20. Nb4 Ne4 21. Ne1 Nc3 22. Ra1 g5 23. Nec2 h5 24. h4 g4 25. Kf1 Kg7 26. f3) 20. Nce5?? { (8.45 → -1.35) Blunder. Ne7+ was best. } (20. Ne7+) 20... Nxe5?? { (-1.35 → 0.89) Blunder. Na3 was best. } (20... Na3 21. Ra1 Ne4 22. Ne1 Nc3 23. Kf1 f6 24. N5d3 Ncb1 25. g4 e5 26. dxe5 fxe5 27. Nxe5) 21. Nxe5 Ne4 22. h3?! { (0.87 → 0.00) Inaccuracy. f3 was best. } (22. f3 Nc3 23. Rxb6 Ra8 24. Rb3 Nxa2 25. Nd3 Rc8 26. Nc5 h6 27. Kf2 Nc1 28. Rb2 Ra8) 22... Rb8?? { (0.00 → 2.35) Blunder. Nd2 was best. } (22... Nd2 23. Rxb6 Rc1+ 24. Kh2 Nf1+ 25. Kh1 Nxe3+ 26. Kh2 Nf1+ 27. Kh1) 23. Nd7 Rb7 24. Nxb6?? { (2.98 → 0.93) Blunder. Rxb6 was best. } (24. Rxb6 Rxb6) 24... Nc3?! { (0.93 → 1.85) Inaccuracy. Kf8 was best. } (24... Kf8) 25. Rb3?! { (1.85 → 1.04) Inaccuracy. Rb2 was best. } (25. Rb2 Kf8 26. a4 Ke8 27. g4 Kd8 28. Kf1 Ne4 29. Nc4 Kc7 30. Rxb7+ Kxb7 31. Ne5 f6) 25... Nxa2 26. Rb2?! { (0.95 → 0.00) Inaccuracy. Ra3 was best. } (26. Ra3 h6 27. Nxd5 Rb1+ 28. Kh2 Rb2 29. Ne7+ Kh7 30. Kg3 Rc2 31. Nc6 Rxc6 32. Rxa2 g5) 26... Nc3?! { (0.00 → 0.69) Inaccuracy. h5 was best. } (26... h5 27. Na4 Rxb2 28. Nxb2 Nc3 29. Nd3 Ne4 30. Nf4 g6 31. Kf1 Kg7 32. Ke1 Nc3 33. Nd3) 27. Rb3?? { (0.69 → -5.45) Blunder. Rb4 was best. } (27. Rb4 Na2) 27... Ne4?? { (-5.45 → -0.08) Blunder. Na4 was best. } (27... Na4 28. Nxa4) 28. f3 Nd2?? { (-0.50 → 4.76) Blunder. Nd6 was best. } (28... Nd6 29. Rb2 h5 30. Na4 Ra7 31. Ra2 Kh7 32. Kf2 Kg6 33. Nc3 Rb7 34. Ne2 Kg5 35. Nc1) 29. Rb2 Nc4?! { (4.31 → 7.13) Inaccuracy. g5 was best. } (29... g5 30. Kf2 h5 31. Ke2 Ne4 32. fxe4 dxe4 33. Nc4 Rxb2+ 34. Nxb2 h4 35. Nc4 f5 36. Kf2) 30. Nxc4 Rxb2 31. Nxb2 f6 32. e4 dxe4 33. fxe4 e5 34. d5 Kf8 35. Nc4 Ke7 36. Kf2 Kd7 37. Ke3 g5 38. g4 h6 39. Nd2 Kd6 40. Kd3 Kc5 41. Nf3 Kd6 42. h4 gxh4 43. Nxh4 Kc5 44. Nf5 Kb4 45. Nxh6 Kc5 46. Ng8 Kd6 47. Nxf6 Ke7 48. Nh7 Kd6 49. g5 Ke7 50. g6 Kd6 51. g7 Ke7 52. g8=N+?! { (Mate in 8 → 79.11) Lost forced checkmate sequence. g8=Q was best. } (52. g8=Q Kd7 53. Qf8 Kc7 54. d6+ Kc6 55. Qe7 Kb6 56. d7 Kb5 57. d8=Q Ka6 58. Qe6+ Kb5) 52... Kf7 53. Ngf6 Ke7 54. Ke3 Kd6 55. Kf3 Ke7 56. Kg4 Kd6 57. Kf5 Ke7 58. Kxe5 Kf7 59. d6 Kg6 60. d7 Kf7 61. d8=N+ Ke7 62. Nc6+ Kf7 63. Ng5+ Kg6 64. Ne7+ Kxg5 65. Nh7+ Kh6 66. Ng6?! { (Mate in 13 → 58.66) Lost forced checkmate sequence. Nf6 was best. } (66. Nf6 Kg5 67. Ned5 Kh4 68. Kf4 Kh3 69. e5 Kg2 70. e6 Kg1 71. e7 Kf1 72. e8=Q Kf2) 66... Kxg6 67. Kd6 Kxh7 68. Kd7 Kg6 69. e5 Kf5 70. e6 Kf6 71. e7 Kg7 72. e8=Q Kf6 73. Qe6+ Kg5 74. Kd6 Kf4 75. Kd5 Kg5 76. Ke4 Kh5 77. Qg8 Kh4 78. Kf4 Kh5 79. Qg5# { White wins by checkmate. } 1-0