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Puzzles (3 cohencoins award for each match):

Puzzle owzn3: 999999999

Eitan1 (1166) +8
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/tMYe7isz"] [Date "2025.10.03"] [White "Terry"] [Black "Eitan1"] [Result "0-1"] [UTCDate "2025.10.03"] [UTCTime "23:36:13"] [WhiteElo "1015"] [BlackElo "1166"] [WhiteRatingDiff "-12"] [BlackRatingDiff "+8"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C00"] [Opening "French Defense: Knight Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e6 2. Nf3 { C00 French Defense: Knight Variation } d6?! { (0.24 → 1.12) Inaccuracy. d5 was best. } (2... d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O O-O 7. Bg5 Re8 8. Nbd2 Bg4 9. Re1) 3. Bb5+?! { (1.12 → 0.19) Inaccuracy. d4 was best. } (3. d4 Nd7) 3... Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. e5?? { (0.75 → -2.02) Blunder. d4 was best. } (6. d4 Nf6 7. Re1 d5 8. e5 Ne4 9. Nbd2 Nxd2 10. Bxd2 Be7 11. c3 Na5 12. b3 b6) 6... O-O-O? { (-2.02 → -0.77) Mistake. Nxe5 was best. } (6... Nxe5 7. d4) 7. exd6 cxd6? { (-0.55 → 0.56) Mistake. Bxd6 was best. } (7... Bxd6 8. d4) 8. c3 Ne5 9. Nxe5?! { (0.85 → 0.00) Inaccuracy. a4 was best. } (9. a4 Nxf3+ 10. Qxf3 d5 11. Na3 Bxa3 12. Rxa3 f6 13. d4 Ne7 14. h3 Rhe8 15. Bf4 Nc6) 9... dxe5 10. d4 exd4 11. cxd4 e5?? { (-0.20 → 2.14) Blunder. Ne7 was best. } (11... Ne7 12. Nc3 Qxd4 13. Qh5 Qf6 14. Be3 Nc6 15. Rac1 Kb8 16. Qb5 Qf5 17. Qa4 Bc5 18. Bxc5) 12. dxe5?? { (2.14 → -9.46) Blunder. Qc2+ was best. } (12. Qc2+ Qc6 13. Qxc6+ bxc6 14. dxe5 Ne7 15. Nc3 Ng6 16. Bg5 Rd7 17. Rae1 Rb7 18. Bc1 Bb4) 12... Qxd1 13. Rxd1? { (-9.51 → Mate in 1) Checkmate is now unavoidable. Nc3 was best. } (13. Nc3 Qg4 14. Be3 b6 15. Rfd1 Rxd1+ 16. Rxd1 Qb4 17. Rd2 Ne7 18. a3 Qc4 19. Rd4 Qe6) 13... Rxd1# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting