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[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/aUoz932H"] [Date "2026.04.26"] [White "Sydney"] [Black "Grayson"] [Result "0-1"] [UTCDate "2026.04.26"] [UTCTime "17:07:36"] [WhiteElo "1060"] [BlackElo "1248"] [WhiteRatingDiff "-13"] [BlackRatingDiff "+7"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B27"] [Opening "Sicilian Defense: Hyperaccelerated Dragon"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. Nf3 c5 2. e4 g6 { B27 Sicilian Defense: Hyperaccelerated Dragon } 3. Bc4 Bg7 4. O-O?! { (0.60 → 0.08) Inaccuracy. c3 was best. } (4. c3 e6 5. Bb3 d5 6. exd5 exd5 7. d4 c4 8. Bc2 Nc6 9. O-O b5 10. Re1+ Nge7) 4... e6?! { (0.08 → 0.80) Inaccuracy. d6 was best. } (4... d6) 5. Nc3?! { (0.80 → 0.16) Inaccuracy. d4 was best. } (5. d4) 5... Ne7?! { (0.16 → 0.73) Inaccuracy. Nc6 was best. } (5... Nc6 6. d4 cxd4 7. Nb5 d6 8. Nfxd4 Nxd4 9. Nxd4 Nf6 10. Re1 a6 11. c3 O-O 12. Bb3) 6. a4? { (0.73 → -0.32) Mistake. d4 was best. } (6. d4 cxd4 7. Nxd4 a6 8. Bg5 h6 9. Be3 b5 10. Be2 Bb7 11. Nb3 O-O 12. Qd2 b4) 6... O-O?! { (-0.32 → 0.21) Inaccuracy. Nbc6 was best. } (6... Nbc6 7. d4) 7. Ra3? { (0.21 → -1.08) Mistake. d4 was best. } (7. d4) 7... d5 8. exd5 exd5 9. Bd3?! { (-0.78 → -1.66) Inaccuracy. Ba2 was best. } (9. Ba2) 9... c4? { (-1.66 → -0.46) Mistake. Nbc6 was best. } (9... Nbc6) 10. Be2 Nbc6 11. b4?? { (-0.40 → -3.70) Blunder. d3 was best. } (11. d3 Be6 12. dxc4 dxc4 13. Ng5 Qxd1 14. Rxd1 Bf5 15. Bxc4 Bxc2 16. Rd2 Bf5 17. Nge4 Na5) 11... Bf5?! { (-3.70 → -2.37) Inaccuracy. Nxb4 was best. } (11... Nxb4 12. Nb5) 12. b5?! { (-2.37 → -3.14) Inaccuracy. Na2 was best. } (12. Na2) 12... Nb4 13. d4?! { (-3.22 → -4.42) Inaccuracy. Ne1 was best. } (13. Ne1) 13... Nxc2?! { (-4.42 → -2.95) Inaccuracy. Bxc2 was best. } (13... Bxc2 14. Qd2) 14. Qxc2?? { (-2.95 → -9.30) Blunder. g4 was best. } (14. g4 Bd3) 14... Bxc2 15. Ra2 Bf5 16. h3 Qa5 17. Ra3 Qb4 18. h4 Rfe8 19. Ne1 Bxd4 20. Nd3 Qd6 21. Na2 Qb6 22. Ne5 Bxe5 23. Bf3 Bb8 24. Bg5 Qd6 25. Re1 Qh2+ 26. Kf1 Bd3+ 27. Re2?! { (-15.68 → Mate in 1) Checkmate is now unavoidable. Rxd3 was best. } (27. Rxd3 cxd3) 27... Bxe2+?! { (Mate in 1 → -18.84) Lost forced checkmate sequence. Qh1# was best. } (27... Qh1#) 28. Kxe2 Qxh4 29. Bxh4 Nf5+ 30. Re3 Rxe3+ 31. fxe3 Nxh4 32. g3 Nf5 33. e4 Ne7 34. exd5 Bxg3 35. Nc3 h5 36. Ne4 h4 37. Nxg3 hxg3 38. b6 axb6 39. Kf1 Nf5 40. Be4 Ne3+ 41. Kg1?! { (-69.30 → Mate in 3) Checkmate is now unavoidable. Ke2 was best. } (41. Ke2 g2 42. Bxg2 Nxg2 43. Kf3 Rxa4 44. Ke4 Ra3 45. Kd4 Ne3 46. Ke4 Nxd5 47. Kxd5 c3) 41... g2?! { (Mate in 3 → -30.07) Lost forced checkmate sequence. Rxa4 was best. } (41... Rxa4 42. Bb1 Ra1 43. d6 Rxb1#) 42. Bf5?! { (-30.07 → Mate in 13) Checkmate is now unavoidable. Kf2 was best. } (42. Kf2 c3) 42... gxf5 43. Kh2 f4 44. Kg1 f3 45. Kh2 f2 46. Kh3 f1=Q 47. Kg3 g1=Q+ { Black wins on time. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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