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Puzzles (3 cohencoins award for each match):

Puzzle 7xZzj: 370

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/xYD11Cwn"] [Date "2025.08.15"] [White "Joseph4"] [Black "Ayaan"] [Result "0-1"] [UTCDate "2025.08.15"] [UTCTime "23:31:58"] [WhiteElo "1354"] [BlackElo "1562"] [WhiteRatingDiff "-56"] [BlackRatingDiff "+37"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C44"] [Opening "King's Pawn Game: Dresden Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. c4? { (0.49 → -0.59) Mistake. Nf3 was best. } (2. Nf3 Nc6) 2... Nc6 3. Nf3 { C44 King's Pawn Game: Dresden Opening } f5?! { (-0.57 → 0.14) Inaccuracy. Bc5 was best. } (3... Bc5 4. d3 d6 5. Nc3 Nge7 6. g3 Bg4 7. h3 Bxf3 8. Qxf3 O-O 9. Qg4 f5 10. exf5) 4. exf5 Nge7? { (-0.03 → 1.23) Mistake. e4 was best. } (4... e4 5. Ng1) 5. Nh4 Nd4?? { (0.75 → 4.81) Blunder. Ng6 was best. } (5... Ng6 6. Nf3) 6. f3?? { (4.81 → -4.26) Blunder. Qh5+ was best. } (6. Qh5+) 6... Ndxf5?? { (-4.26 → -1.82) Blunder. d5 was best. } (6... d5 7. f4 Bxf5 8. d3 dxc4 9. Nc3 cxd3 10. Bxd3 Bxd3 11. Qxd3 Nec6 12. Nf3 Bc5 13. Nxd4) 7. Bd3?? { (-1.82 → -7.83) Blunder. Nxf5 was best. } (7. Nxf5) 7... Nxh4 8. g4 d5 9. b3 dxc4 10. bxc4 Qxd3 11. c5 Ng2+ 12. Kf2 Qd4+ 13. Kxg2 Qxa1 14. Qc2 Qd4 15. Nc3 Be6 16. Ne4 O-O-O 17. g5 Bf5 18. Re1 Bxe4 19. Rxe4 Qd5 20. f4 exf4 21. Kf3 Qxg5 22. Qd3 Rxd3+ 23. Re3?! { (-27.49 → Mate in 7) Checkmate is now unavoidable. Ke2 was best. } (23. Ke2 Rh3) 23... Rxe3+ 24. Kf2 Qxc5 25. Bb2 Nf5 26. dxe3 Nxe3 27. Ba3 Nc2+?! { (Mate in 3 → -21.26) Lost forced checkmate sequence. Qc2+ was best. } (27... Qc2+ 28. Kf3 g5 29. Bxf8 Qg2#) 28. Bxc5 Bxc5+ 29. Kf3 Rf8 30. h4 Ne1+ 31. Kg4 f3 32. h5 f2 33. Kg3 f1=Q 34. Kg4 Qf4+ 35. Kh3 Bd6 36. a4 Qg3# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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