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Puzzles (3 cohencoins award for each match):

Puzzle dlFQ4: 491

FEN
[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/iLIQjDYS"] [Date "2025.10.31"] [White "Robbie3"] [Black "Wali"] [Result "0-1"] [UTCDate "2025.10.31"] [UTCTime "23:38:33"] [WhiteElo "1172"] [BlackElo "1813"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+0"] [WhiteTitle "NM"] [BlackTitle "GM🏆"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C61"] [Opening "Ruy Lopez: Bird Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 { C61 Ruy Lopez: Bird Variation } 4. Nxd4 exd4 5. O-O c6 6. Bc4 d5 7. exd5 cxd5 8. Bb5+ Bd7 9. Re1+ Be7?? { (1.08 → 4.86) Blunder. Ne7 was best. } (9... Ne7 10. Na3) 10. Bxd7+?? { (4.86 → 1.68) Blunder. Qg4 was best. } (10. Qg4 Bxb5) 10... Qxd7 11. Rxe7+?? { (1.55 → -4.73) Blunder. d3 was best. } (11. d3) 11... Nxe7 12. d3 O-O 13. c3? { (-3.51 → -6.24) Mistake. Nd2 was best. } (13. Nd2 Nc6) 13... dxc3 14. Nxc3 d4 15. Ne4 f5 16. Nd2 Nd5 17. b3?! { (-4.31 → -7.15) Inaccuracy. Nf3 was best. } (17. Nf3 h6) 17... Nf4? { (-7.15 → -4.18) Mistake. Rfe8 was best. } (17... Rfe8 18. Ba3 Nc3 19. Qh5 h6 20. Nf3 Re6 21. h3 Ne2+ 22. Kh1 Rae8 23. Qxf5 Ng3+ 24. fxg3) 18. g3? { (-4.18 → -7.51) Mistake. Nf3 was best. } (18. Nf3) 18... Nxd3 19. Ba3 Rfe8 20. g4 fxg4 21. Nc4 Re1+ 22. Kg2 Qd5+ 23. Kg3 Rxd1 24. Rxd1 Qf3+ 25. Kh4 Qxd1?! { (Mate in 5 → -15.54) Lost forced checkmate sequence. Qh3+ was best. } (25... Qh3+ 26. Kg5 h6+ 27. Kf5 Qf3+ 28. Ke6 Qf7+ 29. Kd6 Rd8#) 26. Nb2 Qf3 27. Nc4?! { (-69.98 → Mate in 3) Checkmate is now unavoidable. Nxd3 was best. } (27. Nxd3 h6) 27... h6 28. Nd2 g5+ 29. Kh5 Qh3+ 30. Kg6 Nf4+ 31. Kf5 Rf8+?! { (Mate in 4 → -16.70) Lost forced checkmate sequence. Re8 was best. } (31... Re8 32. Be7 Rxe7 33. Ne4 g3+ 34. Kf6 Qe6#) 32. Ke5 Qd3 33. Ne4 Re8+ 34. Kf5 Qxe4+ 35. Kxg4 Qg2+ 36. Kf5 Qh3+ 37. Kf6 Qe6# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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