CohenChessClub.com

[Event "May Megatournament"] [Site "https://cohenchessclub.com/85yKURtc"] [Date "2026.05.10"] [White "Sasha"] [Black "Matthew12"] [Result "1-0"] [UTCDate "2026.05.10"] [UTCTime "20:08:16"] [WhiteElo "1573"] [BlackElo "1418"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-12"] [WhiteTitle "IM🧁"] [BlackTitle "NM⍩"] [Variant "Standard"] [TimeControl "600+1"] [ECO "D02"] [Opening "Queen's Pawn Game: London System"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 Nf6 3. Bf4 { D02 Queen's Pawn Game: London System } Nc6 4. e3 Bf5 5. c3?! { (0.90 → 0.20) Inaccuracy. Bb5 was best. } (5. Bb5) 5... e6 6. Bd3 Ne4 7. Bxe4 Bxe4 8. Nbd2 Bf5 9. O-O Bd6 10. Bg3 Bd3 11. Re1 Bxg3 12. hxg3 O-O 13. Nb3 Qf6?? { (0.50 → 9.89) Blunder. Bf5 was best. } (13... Bf5 14. Nh4 Ne7 15. Nxf5 Nxf5 16. e4 dxe4 17. Rxe4 Nd6 18. Re2 c6 19. Nd2 Qc7 20. Re5) 14. Qxd3 Nb4 15. Qd2 Nc6 16. Qd3 Rfe8 17. Nbd2 Qh6 18. Nh4 g5 19. Nhf3 g4 20. Nh4 e5 21. dxe5 Rxe5 22. e4 Rd8 23. exd5? { (8.35 → 4.60) Mistake. Nf1 was best. } (23. Nf1 Qe6) 23... Rexd5 24. Qc2?? { (4.88 → 1.00) Blunder. Re8+ was best. } (24. Re8+ Rxe8) 24... Rxd2?! { (1.00 → 1.67) Inaccuracy. Qxd2 was best. } (24... Qxd2 25. Qa4) 25. Qf5 Rxb2 26. Qxg4+ Qg7?! { (1.73 → 2.85) Inaccuracy. Kf8 was best. } (26... Kf8 27. Re4 Rb5 28. Rae1 Qf6 29. Nf3 Rbd5 30. Qh3 h6 31. Rf4 Qxc3 32. Qxh6+ Qg7 33. Qe6) 27. Qe4? { (2.85 → 1.22) Mistake. Qf4 was best. } (27. Qf4) 27... Rdd2?? { (1.22 → 7.85) Blunder. Qf6 was best. } (27... Qf6) 28. Nf5 Qf8? { (7.81 → Mate in 5) Checkmate is now unavoidable. Rxf2 was best. } (28... Rxf2 29. Nxg7) 29. Qe8?? { (Mate in 5 → -1.27) Lost forced checkmate sequence. Qg4+ was best. } (29. Qg4+ Kh8 30. Re8 Rb1+ 31. Rxb1 Rd1+ 32. Rxd1 Qxe8 33. Qg7#) 29... Rxf2 30. Nh6+?? { (-1.19 → -7.36) Blunder. Nh4 was best. } (30. Nh4 Qxe8) 30... Kg7 31. Ng4 Rxg2+ 32. Kh1?! { (-14.26 → Mate in 11) Checkmate is now unavoidable. Kh1 was best. } (32. Kh1 Qc5) 32... Rxg3? { (Mate in 11 → -7.22) Lost forced checkmate sequence. Qc5 was best. } (32... Qc5 33. Re5 Rh2+ 34. Nxh2 Nxe5 35. c4 Qe3 36. Rf1 Qe4+ 37. Nf3 Nxf3 38. Qg8+ Kxg8 39. Rf2) 33. Nf2? { (-7.22 → Mate in 6) Checkmate is now unavoidable. Qxf8+ was best. } (33. Qxf8+) 33... Rxf2? { (Mate in 6 → -9.09) Lost forced checkmate sequence. Qc5 was best. } (33... Qc5 34. Qf8+ Kxf8 35. Re8+ Kg7 36. Re5 Qxe5 37. Rg1 Qh5+ 38. Nh3 Qxh3#) 34. Qe4? { (-9.09 → Mate in 5) Checkmate is now unavoidable. Qxf8+ was best. } (34. Qxf8+) 34... Rh3+?! { (Mate in 5 → -11.83) Lost forced checkmate sequence. Qc5 was best. } (34... Qc5 35. Qf3 Rfxf3 36. Re2 Rf2 37. Rxf2 Qxf2 38. Rg1 Qxg1#) 35. Kg1 Rd2?? { (-11.78 → -1.33) Blunder. Rf6 was best. } (35... Rf6 36. Kg2) 36. Qg4+ Kh8 37. Qxh3 Qc5+ 38. Kh1 Qd5+ 39. Kg1 Qg5+ 40. Kf1?? { (-2.07 → -7.25) Blunder. Kh1 was best. } (40. Kh1 Qd5+ 41. Kg1 Ne5 42. Re3 Qc5 43. Re1 Rd6 44. Qf5 Rg6+ 45. Kh1 f6 46. Rh3 Kg7) 40... Qf4+?? { (-7.25 → -3.29) Blunder. Ne5 was best. } (40... Ne5 41. Re3) 41. Kg1 Qf2+?? { (-3.24 → 0.00) Blunder. Ne5 was best. } (41... Ne5 42. Re3 Ng4 43. Rg3 Rh2 44. Qxh2 Nxh2 45. Kxh2 h5 46. Kh3 Kh7 47. Rag1 Kh6 48. Rg8) 42. Kh1 Qf4? { (0.00 → 1.05) Mistake. Rd6 was best. } (42... Rd6 43. Re8+ Kg7 44. Rg1+ Rg6 45. Rxg6+ fxg6 46. Qd7+ Kh6 47. Qxc7 Qf1+ 48. Kh2 Qf2+) 43. Qc8+?? { (1.05 → -0.96) Blunder. Re8+ was best. } (43. Re8+ Kg7) 43... Kg7?! { (-0.96 → 0.00) Inaccuracy. Nd8 was best. } (43... Nd8 44. Re8+ Kg7 45. Rg1+ Kf6 46. Qh3 Ne6 47. Re1 Kg7 48. Rg1+ Ng5 49. Qg3 Qxg3 50. Rxg3) 44. Rg1+ Kf6 45. Qh8+?? { (0.00 → -2.99) Blunder. Rgf1 was best. } (45. Rgf1 Rf2 46. Rxf2 Qxf2 47. Qxc7 Qf3+ 48. Kg1 Qe3+ 49. Kh1 Qe4+ 50. Kg1) 45... Ke7 46. Rae1+ Kd6 47. Rd1?? { (-3.90 → Mate in 1) Checkmate is now unavoidable. Qf8+ was best. } { White wins on time. } (47. Qf8+ Kd5) 1-0