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Puzzles (3 cohencoins award for each match):

Puzzle S8ami: 494

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/LGesn3Ov"] [Date "2026.01.25"] [White "BENJAMIN4"] [Black "Rishi"] [Result "1-0"] [UTCDate "2026.01.25"] [UTCTime "18:11:19"] [WhiteElo "1629"] [BlackElo "1406"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-5"] [WhiteTitle "🌊"] [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 } Nf6 3. e3 e6 4. Bd3 Bd6 5. Bg3 Bxg3 6. hxg3 O-O?? { (0.20 → 5.33) Blunder. c5 was best. } (6... c5 7. c3 Qb6 8. Qc2 Nc6 9. Nf3 Bd7 10. Nbd2 Rc8 11. Be2 h6 12. O-O O-O 13. Nb3) 7. Nf3?? { (5.33 → 0.23) Blunder. Bxh7+ was best. } (7. Bxh7+) 7... Nc6?! { (0.23 → 1.22) Inaccuracy. c5 was best. } (7... c5) 8. c3?! { (1.22 → 0.39) Inaccuracy. Ne5 was best. } (8. Ne5 h6 9. f4 Nd7 10. g4 f6 11. Ng6 Re8 12. Nc3 e5 13. Nxd5 exd4 14. Qf3 Nc5) 8... Bd7? { (0.39 → 1.48) Mistake. h6 was best. } (8... h6 9. Nbd2) 9. Qc2? { (1.48 → 0.10) Mistake. Nbd2 was best. } (9. Nbd2 g6) 9... Qe7?? { (0.10 → 4.44) Blunder. h6 was best. } (9... h6 10. e4 dxe4 11. Bxe4 Nxe4 12. Qxe4 Qe7 13. O-O f6 14. Re1 Qf7 15. c4 e5 16. dxe5) 10. Bxh7+ Kh8 11. Ng5 Nxh7?? { (3.77 → Mate in 1) Checkmate is now unavoidable. e5 was best. } (11... e5 12. Bf5+ Kg8 13. Bxd7 Qxd7 14. Nh7 Rfe8 15. Nxf6+ gxf6 16. Nd2 e4 17. f3 Kg7 18. fxe4) 12. Qxh7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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