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Puzzles (3 cohencoins award for each match):

Puzzle 84BJ9: 648

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/1Id1ROsX"] [Date "2025.10.12"] [White "xavi"] [Black "Nikolai"] [Result "1-0"] [UTCDate "2025.10.12"] [UTCTime "17:46:08"] [WhiteElo "1737"] [BlackElo "993"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+0"] [WhiteTitle "GM🥉"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense: Mieses-Kotroc Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5 2. exd5 Qxd5 { B01 Scandinavian Defense: Mieses-Kotroc Variation } 3. Nc3 Qd8 4. Bc4?! { (0.88 → 0.15) Inaccuracy. d4 was best. } (4. d4 g6 5. Nf3 Bg7 6. Bc4 Nf6 7. Ne5 O-O 8. O-O Nfd7 9. Qe2 Nxe5 10. dxe5 Nc6) 4... Nf6?! { (0.15 → 0.66) Inaccuracy. c5 was best. } (4... c5) 5. Qf3? { (0.66 → -0.39) Mistake. d4 was best. } (5. d4 a6) 5... Bg4?? { (-0.39 → 6.32) Blunder. Nc6 was best. } (5... Nc6) 6. Qf4?? { (6.32 → -0.36) Blunder. Qxb7 was best. } (6. Qxb7 Nbd7) 6... c6 7. h3 Bh5 8. Nf3 Bxf3 9. Qxf3 Nbd7 10. Ne4?! { (0.41 → -0.11) Inaccuracy. Bb3 was best. } (10. Bb3 Nc5) 10... Nxe4?? { (-0.11 → Mate in 1) Checkmate is now unavoidable. Ne5 was best. } (10... Ne5 11. Qe2 Nxc4 12. Qxc4 e6 13. d3 Be7 14. a4 Nd5 15. d4 Qc7 16. O-O O-O 17. Qe2) 11. Bxf7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting