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Puzzles (3 cohencoins award for each match):

Puzzle GsHFG: 936

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/BIBDlKdE"] [Date "2025.11.01"] [White "Nikolai"] [Black "David3"] [Result "0-1"] [UTCDate "2025.11.01"] [UTCTime "17:25:28"] [WhiteElo "1035"] [BlackElo "1524"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+1"] [BlackTitle "IM🔱"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. e3 { D00 Queen's Pawn Game } Bf5 3. c3 e6 4. Bd3 Nf6 5. Qe2 Bd6?! { (-0.58 → -0.07) Inaccuracy. Bxd3 was best. } (5... Bxd3 6. Qxd3) 6. f3? { (-0.07 → -1.36) Mistake. Bxf5 was best. } (6. Bxf5 exf5 7. Qb5+ Nbd7 8. Qxb7 O-O 9. Nf3 Re8 10. Qb3 c5 11. Qc2 g6 12. O-O Rc8) 6... O-O?! { (-1.36 → -0.34) Inaccuracy. Bxd3 was best. } (6... Bxd3 7. Qxd3 c5 8. e4 dxe4 9. fxe4 Nc6 10. Nf3 O-O 11. Bg5 cxd4 12. cxd4 Be5 13. Be3) 7. Bd2? { (-0.34 → -1.81) Mistake. e4 was best. } (7. e4 dxe4) 7... Bxd3 8. Qxd3 Nc6 9. Na3?! { (-1.17 → -1.93) Inaccuracy. Ne2 was best. } (9. Ne2) 9... Bxa3 10. bxa3 Qd6 11. O-O-O?? { (-1.73 → -9.16) Blunder. Ne2 was best. } (11. Ne2 e5 12. Ng3 Rfe8 13. O-O Qxa3 14. Qb5 Rab8 15. Qb3 Qxb3 16. axb3 a6 17. Rfd1 Rbd8) 11... Qxa3+ 12. Kc2 Qxa2+ 13. Kc1 Na5 14. Qc2 Nb3+ 15. Qxb3 Qxb3 16. Re1 Rad8 17. e4 Rd6 18. exd5?! { (-19.18 → Mate in 4) Checkmate is now unavoidable. Re2 was best. } (18. Re2 Rb6) 18... Ra6 19. c4 Ra1# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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