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Puzzles (3 cohencoins award for each match):

Puzzle OoOQ7: 432

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/lllrY1ic"] [Date "2026.04.10"] [White "Cora"] [Black "Benton"] [Result "0-1"] [UTCDate "2026.04.10"] [UTCTime "20:06:14"] [WhiteElo "1354"] [BlackElo "2008"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+0"] [WhiteTitle "🧶"] [BlackTitle "GM☾"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Mason Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Mason Variation } Nc6 3. Nf3 Bf5 4. e3 e6 5. Bd3 Bg4 6. O-O?! { (0.74 → 0.00) Inaccuracy. c4 was best. } (6. c4 dxc4) 6... Nf6?! { (0.00 → 0.67) Inaccuracy. g5 was best. } (6... g5 7. Bg3 h5 8. h3 Bxf3 9. Qxf3 g4 10. Qe2 gxh3 11. gxh3 Bd6 12. c4 Qg5 13. Kh2) 7. Nc3?! { (0.67 → 0.02) Inaccuracy. Nbd2 was best. } (7. Nbd2 Bd6 8. h3 Bh5 9. Bg5 h6 10. Bxf6 Qxf6 11. c4 O-O 12. c5 Be7 13. Qb3 Rfb8) 7... Bd6 8. Bxd6 Qxd6 9. Nb5 Qd8 10. Be2 a6 11. Nc3 O-O 12. Ne5?! { (0.12 → -0.53) Inaccuracy. Na4 was best. } (12. Na4 Ne4) 12... Bxe2 13. Qxe2 Nxe5 14. dxe5 Nd7 15. f4 f6 16. exf6 Rxf6 17. Nd1 e5 18. fxe5?! { (-0.16 → -0.91) Inaccuracy. f5 was best. } (18. f5 e4 19. c4 Ne5 20. cxd5 Qxd5 21. Nc3 Qd3 22. Rf4 Qxe2 23. Nxe2 Re8 24. Rxe4 Rxf5) 18... Nxe5 19. Rxf6 Qxf6 20. Qf2? { (-0.78 → -2.12) Mistake. e4 was best. } (20. e4) 20... Qc6? { (-2.12 → -0.72) Mistake. Qe7 was best. } (20... Qe7) 21. c3? { (-0.72 → -2.21) Mistake. Nc3 was best. } (21. Nc3 Qd6 22. Rf1 c6 23. Ne2 Rf8 24. Qxf8+ Qxf8 25. Rxf8+ Kxf8 26. e4 dxe4 27. Ng3 e3) 21... Rf8 22. Qg3?! { (-1.70 → -2.86) Inaccuracy. Qc2 was best. } (22. Qc2 Re8) 22... Nc4?! { (-2.86 → -1.72) Inaccuracy. Nd3 was best. } (22... Nd3) 23. b3?? { (-1.72 → -4.66) Blunder. Qe1 was best. } (23. Qe1) 23... Nd2 24. c4?? { (-4.90 → Mate in 1) Checkmate is now unavoidable. Nf2 was best. } (24. Nf2 Qxc3) 24... dxc4?? { (Mate in 1 → -5.69) Lost forced checkmate sequence. Rf1# was best. } (24... Rf1#) 25. bxc4?? { (-5.69 → Mate in 1) Checkmate is now unavoidable. Nf2 was best. } (25. Nf2) 25... Rf1# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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