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Puzzles (3 cohencoins award for each match):

Puzzle liHai: 999999999

Puzzle 39Dx1: 999999999

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/qvNMfuTk"] [Date "2026.03.24"] [White "Ezra1"] [Black "Tavin"] [Result "1-0"] [UTCDate "2026.03.24"] [UTCTime "20:02:47"] [WhiteElo "1500"] [BlackElo "885"] [WhiteRatingDiff "+0"] [BlackRatingDiff "-2"] [WhiteTitle "😼"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C25"] [Opening "Vienna Game: Max Lange Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nc3 Nc6 { C25 Vienna Game: Max Lange Defense } 3. Bc4 Bc5 4. Qg4 h5? { (0.39 → 1.66) Mistake. Kf8 was best. } (4... Kf8 5. Qf3 Nf6 6. Nge2 Na5 7. Bb3 c6 8. d3 d5 9. exd5 cxd5 10. Bg5 d4 11. Ne4) 5. Qxg7 Qf6 6. Bxf7+?? { (1.80 → -4.14) Blunder. Qxf6 was best. } (6. Qxf6 Nxf6 7. Nf3 Nd4 8. Nxd4 exd4 9. Nd5 Nxd5 10. exd5 b5 11. Bxb5 Bb7 12. Bc4 d3) 6... Qxf7 7. Qxh8?? { (-4.26 → Mate in 2) Checkmate is now unavoidable. Qxf7+ was best. } (7. Qxf7+ Kxf7 8. Nf3 Nge7 9. d3 Nd4 10. Nxd4 exd4 11. Ne2 d5 12. f3 h4 13. Bf4 Rg8) 7... Nd4?? { (Mate in 2 → 6.69) Lost forced checkmate sequence. Qxf2+ was best. } (7... Qxf2+ 8. Kd1 Qf1#) 8. Kd1?? { (6.69 → 1.23) Blunder. Qxe5+ was best. } (8. Qxe5+ Ne7 9. Qxc5 Nxc2+ 10. Ke2 b6 11. Qxc7 Ba6+ 12. d3 Nb4 13. Be3 Nxd3 14. Kd2 Nxb2) 8... Qxf2?? { (1.23 → 8.66) Blunder. d6 was best. } (8... d6 9. Nge2) 9. Qxh5+ Ke7 10. Qg5+ Qf6 11. Qxg8?? { (11.38 → Mate in 1) Checkmate is now unavoidable. Nd5+ was best. } (11. Nd5+ Kf7 12. Nxf6 Nxf6 13. c3 Ne6 14. Qxe5 Be7 15. d3 d6 16. Qf5 Nc5 17. Qf1 Bg4+) 11... Qf2?? { (Mate in 1 → 10.12) Lost forced checkmate sequence. Qf1# was best. } (11... Qf1#) 12. Qg5+ Ke6 13. Qg4+ Kd6 14. Qg6+ Ne6 15. Nb5+ Kc6 16. Nf3 a6 17. Nxe5+ Kxb5 18. a4+ Kb4 19. c3+ Kb3 20. d4 Nf8 21. Qg8+ Ne6 22. dxc5 Qc2+ 23. Ke1 d6? { (8.37 → Mate in 1) Checkmate is now unavoidable. Qxe4+ was best. } (23... Qxe4+ 24. Kf2 Qxe5 25. Qg4 Qf6+ 26. Kg1 Qe5 27. h4 d6 28. Qd1+ Kc4 29. Rh3 Kxc5 30. Re3) 24. Ra3# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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