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Puzzles (3 cohencoins award for each match):

Puzzle oL0Qa: 999999999

IM Noah13 (1543) +17
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/XPlwvKAY"] [Date "2026.05.19"] [White "Noah13"] [Black "David3"] [Result "1-0"] [UTCDate "2026.05.19"] [UTCTime "20:24:06"] [WhiteElo "1543"] [BlackElo "1475"] [WhiteRatingDiff "+17"] [BlackRatingDiff "-7"] [WhiteTitle "IM"] [BlackTitle "IMšŸ”±"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B12"] [Opening "Caro-Kann Defense: Advance Variation, Short Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 { B12 Caro-Kann Defense: Advance Variation, Short Variation } e6 5. Be2 Ne7 6. Nc3 Nd7 7. Qd2? { (0.30 → -0.76) Mistake. O-O was best. } (7. O-O a6) 7... c5 8. Nb5 cxd4?? { (-0.58 → Mate in 1) Checkmate is now unavoidable. Nc6 was best. } (8... Nc6 9. O-O) 9. Qxd4?? { (Mate in 1 → -1.52) Lost forced checkmate sequence. Nd6# was best. } (9. Nd6#) 9... g6?? { (-1.52 → Mate in 1) Checkmate is now unavoidable. Nc6 was best. } (9... Nc6 10. Qa4 Be4 11. O-O Bxf3 12. Bxf3 a6 13. Nd6+ Bxd6 14. exd6 Nde5 15. Be2 Qxd6 16. c3) 10. Nd6# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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