CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/xvNw4vrY"] [Date "2026.09.09"] [White "Mason6"] [Black "Luke"] [Result "0-1"] [UTCDate "2026.09.09"] [UTCTime "14:10:26"] [WhiteElo "1247"] [BlackElo "1774"] [WhiteRatingDiff "-62"] [BlackRatingDiff "+58"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Pirc Defense"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. e4 d6 { B00 Pirc Defense } 2. f3 Nf6 3. Nh3?? { (0.62 → -1.23) Blunder. d4 was best. } (3. d4 e6 4. Be3 a6 5. c4 c5 6. Ne2 cxd4 7. Nxd4 d5 8. e5 Nfd7 9. f4 dxc4) 3... h5?? { (-1.23 → 0.46) Blunder. Bxh3 was best. } (3... Bxh3 4. gxh3 Nh5 5. Bg2 Nf4 6. O-O g6 7. d4 Nxg2 8. Kxg2 Nd7 9. Nc3 Bg7 10. Bg5) 4. Be2? { (0.46 → -0.71) Mistake. Ng5 was best. } (4. Ng5 c5) 4... Rh6?? { (-0.71 → 2.10) Blunder. Bxh3 was best. } (4... Bxh3 5. gxh3) 5. O-O?? { (2.10 → -0.29) Blunder. d4 was best. } (5. d4 Rh8 6. Ng5 e6 7. Be3 Be7 8. Qd2 a6 9. O-O h4 10. f4 d5 11. e5 Ng8) 5... Rg6?? { (-0.29 → 2.28) Blunder. Bxh3 was best. } (5... Bxh3 6. gxh3) 6. Nf4 Rh6 7. d4 Nxe4?? { (2.42 → 9.38) Blunder. Nc6 was best. } (7... Nc6 8. Nd5) 8. fxe4 Re6 9. Bf3 Nc6 10. c3 a5 11. a3 Ra6 12. c4 f5 13. exf5 Re3 14. Bxe3 e5 15. Nd2 Rb6 16. Qc1 exd4 17. b3 dxe3 18. a4 exd2 19. Qxd2 Qe7 20. Rad1 Qg5 21. Bg4?? { (11.50 → 1.47) Blunder. Bxh5+ was best. } (21. Bxh5+) 21... Qxg4?? { (1.47 → 3.74) Blunder. hxg4 was best. } (21... hxg4 22. Rde1+) 22. Ne2?? { (3.74 → 0.00) Blunder. Qe3+ was best. } (22. Qe3+ Kf7 23. Nd5 Rb4 24. h3 Qh4 25. f6 g5 26. Qd3 Qd4+ 27. Qxd4 Nxd4 28. Rxd4 Rxb3) 22... Rxb3?? { (0.00 → 5.45) Blunder. Be7 was best. } (22... Be7 23. Qd5 Qxe2 24. Rfe1 Qg4 25. Qg8+ Kd7 26. Qe6+ Kd8 27. Qg8+) 23. Rc1?? { (5.45 → -5.15) Blunder. Rf4 was best. } (23. Rf4) 23... Ra3?? { (-5.15 → 5.56) Blunder. Ne5 was best. } (23... Ne5 24. Nc3 Be7 25. Nd5 Bxf5 26. Nxc7+ Kd7 27. Nd5 Bg5 28. Qxa5 Bd8 29. Qd2 Be4 30. Qf2) 24. Rb1?? { (5.56 → -5.47) Blunder. Rf4 was best. } (24. Rf4 Be7) 24... Rxa4?? { (-5.47 → 2.95) Blunder. Qxc4 was best. } (24... Qxc4) 25. Rb2?? { (2.95 → -6.72) Blunder. Rf4 was best. } (25. Rf4) 25... Rxc4 26. Nc1?! { (-5.75 → -8.37) Inaccuracy. Rb3 was best. } (26. Rb3 Kd8 27. Nf4 Rxf4 28. Rxf4 Qg5 29. h4 Qf6 30. Re3 Be7) 26... a4 27. Qd3 Rf4 28. g3 Rxf5 29. h3 Qxh3 30. Rff2 Rxf2 31. Kxf2 Qh1 32. Ne2 a3 33. Ra2 Nb4 34. Qxa3 Nxa2 35. Qxa2 Bh3 36. Nf4 h4 37. Qg8 Qa1 38. Qh7 Qa2+ 39. Kf3 b5 40. Qxh4 b4?! { (-8.71 → -5.78) Inaccuracy. Bd7 was best. } (40... Bd7 41. Ke3 Qa3+ 42. Ke2 Qb2+ 43. Kf3 Qc3+ 44. Kf2 Qc5+ 45. Kf3 b4 46. Qh5+ Qxh5+ 47. Nxh5) 41. Qxh3 b3?? { (-5.02 → 0.13) Blunder. Qc4 was best. } (41... Qc4 42. Qh5+ Kd8 43. Qg5+ Be7 44. Qxg7 b3 45. g4 Kd7 46. Kg3 Qf1 47. Qf7 Qe1+ 48. Kf3) 42. Qf1?? { (0.13 → -9.53) Blunder. Qc8+ was best. } (42. Qc8+ Ke7 43. Qxc7+ Ke8 44. Qc8+ Ke7 45. Qe6+ Kd8 46. Qf7 Be7 47. Nd5 Qa7 48. Qg8+ Kd7) 42... b2 43. Qd1 b1=Q 44. Qd4 Qf1+ 45. Kg4 c5 46. Qe4+ Kd8 47. Nh3 Qfa6 48. Qh7?! { (-12.93 → Mate in 4) Checkmate is now unavoidable. Nf4 was best. } (48. Nf4 Be7) 48... Qb1?? { (Mate in 4 → -5.07) Lost forced checkmate sequence. Qe6+ was best. } (48... Qe6+ 49. Kh4 Qae2 50. Qxg7 Bxg7 51. Nf4 Q2g4#) 49. Qg8?? { (-5.07 → Mate in 4) Checkmate is now unavoidable. Qxb1 was best. } (49. Qxb1 Qc8+ 50. Qf5 Be7 51. Nf4 Qxf5+ 52. Kxf5 Kd7 53. Nd5 Bd8 54. Ne3 Bf6 55. g4 Bd4) 49... Qd1+ 50. Kh4 c4 51. Qxf8+ Kd7 52. Qxg7+ Kc6 53. g4 c3?! { (-17.60 → -5.94) Inaccuracy. Qe1+ was best. } (53... Qe1+) 54. Qxc3+ Kd7 55. Nf2 Qd5 { Black wins on time. } 0-1