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Puzzles (3 cohencoins award for each match):

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/OIKFIk85"] [Date "2026.02.11"] [White "Trekker"] [Black "snakeywaters"] [Result "1-0"] [UTCDate "2026.02.11"] [UTCTime "21:38:29"] [WhiteElo "1798"] [BlackElo "1862"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-13"] [WhiteTitle "GM🎅"] [BlackTitle "㎝"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A01"] [Opening "Nimzo-Larsen Attack: English Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. b3 c5 { A01 Nimzo-Larsen Attack: English Variation } 2. Bb2 d5 3. Nf3 b6?! { (-0.19 → 0.79) Inaccuracy. f6 was best. } (3... f6 4. d4) 4. e3 Bb7 5. Be2 e6 6. O-O Nd7 7. c4 Be7?? { (0.33 → 5.03) Blunder. Ngf6 was best. } (7... Ngf6) 8. cxd5?? { (5.03 → 2.31) Blunder. Bxg7 was best. } (8. Bxg7 Bf6) 8... Bxd5?? { (2.31 → 6.83) Blunder. Bf6 was best. } (8... Bf6 9. Bxf6 Ngxf6 10. dxe6 fxe6 11. Nc3 Qe7 12. a4 e5 13. a5 e4 14. Ng5 h6 15. Nh3) 9. Bxg7 Bf6 10. Bxh8 Bxh8 11. Nc3 Bb7 12. Rc1 Qc7 13. d4 O-O-O 14. Nb5 Qb8 15. b4 a6 16. bxc5 Bc6 17. Nd6+ Kc7 18. Bxa6 bxc5 19. Nxf7 Ne7 20. Nxd8 Kxd8 21. dxc5 Qa7 22. Rb1 Qxa6 23. Rb8+ Nc8 24. Qd6 Qa7 25. Rd1 Ba4?! { (10.87 → Mate in 2) Checkmate is now unavoidable. Qxb8 was best. } (25... Qxb8 26. Qxc6 Qa7 27. Ng5 Ne7 28. Qb5 Nd5 29. Nxe6+ Ke7 30. Qc6 N7f6 31. Qd6+ Kf7 32. Ng5+) 26. Qf8+ Kc7 27. Qxc8# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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