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Puzzles (3 cohencoins award for each match):

Puzzle OO984: 744

 Maria (1162) −3
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/7z1vu3bK"] [Date "2025.09.24"] [White "Maria"] [Black "Walker"] [Result "0-1"] [UTCDate "2025.09.24"] [UTCTime "20:09:46"] [WhiteElo "1162"] [BlackElo "1460"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+1"] [WhiteTitle "❦"] [BlackTitle "⚡"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e3 { A00 Van't Kruijs Opening } e5 2. Bc4?! { (0.31 → -0.69) Inaccuracy. d4 was best. } (2. d4 exd4 3. exd4 d5 4. Bd3 Bd6 5. Nf3 h6 6. O-O Ne7 7. Re1 O-O 8. Nbd2 Nd7) 2... Nf6 3. Nf3?! { (-0.33 → -1.35) Inaccuracy. d4 was best. } (3. d4 exd4 4. exd4 d5 5. Bb3 a5 6. c3 Bd6 7. Nf3 O-O 8. O-O h6 9. Re1 Bf5) 3... Bc5?? { (-1.35 → 1.36) Blunder. d5 was best. } (3... d5 4. Be2 e4 5. Ne5 Bd6 6. d4 Nbd7 7. f4 exf3 8. Nxf3 c6 9. c4 Ne4 10. Nc3) 4. Nxe5 d6?? { (1.27 → 7.99) Blunder. d5 was best. } (4... d5 5. Be2 Bd6 6. d4 c5 7. O-O O-O 8. c4 cxd4 9. exd4 Nc6 10. Bf4 dxc4 11. Nxc6) 5. Nxf7 Qe7 6. Nxh8 Be6 7. b3 Ne4?! { (6.48 → 9.97) Inaccuracy. d5 was best. } (7... d5 8. Be2) 8. Qh5+ g6 9. Qf3 d5 10. Bb5+ c6 11. Qf7+?? { (6.95 → -8.48) Blunder. Bd3 was best. } (11. Bd3) 11... Bxf7 12. Nxf7 Qxf7 13. Bd3 Qxf2+ 14. Kd1 Qxg2 15. Rf1 Bb4 16. c3 Bd6 17. b4 Nf2+ 18. Ke2 Nxd3+ 19. Kxd3 Qxf1+ 20. Kc2 Nd7 21. Na3 a5 22. bxa5 Bxa3 23. h4 Rxa5 24. Rb1 Bxc1 25. Rxc1 Rxa2+ 26. Kb1 Qa6 27. Re1 Ra1+ 28. Kc2 Qa2+ 29. Kd3 Ne5+ 30. Kd4 Rxe1 31. Kxe5 Rxe3+?! { (Mate in 5 → -64.41) Lost forced checkmate sequence. Ke7 was best. } (31... Ke7 32. Kf4 Qxd2 33. Kg3 Rxe3+ 34. Kg4 Qg2+ 35. Kf4 Qg3#) 32. Kd4?! { (-64.41 → Mate in 1) Checkmate is now unavoidable. dxe3 was best. } (32. dxe3 Qc4 33. Kd6 Qxh4 34. Kc7 Qe7+ 35. Kc8 Qxe3 36. Kb8 Qxc3 37. Kxb7 g5 38. Kc7 g4) 32... Qxd2+ 33. Kc5 Qxc3+ 34. Kd6 Qb4+ 35. Kc7 Re7+ 36. Kc8 Qa5 37. h5 Qd8# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting