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Puzzles (3 cohencoins award for each match):

Puzzle 1e5n4: 999999999

Eitan1 (1160) +17
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/CwScXXVJ"] [Date "2025.09.26"] [White "Eitan1"] [Black "Robbie3"] [Result "1-0"] [UTCDate "2025.09.26"] [UTCTime "23:10:07"] [WhiteElo "1160"] [BlackElo "1152"] [WhiteRatingDiff "+17"] [BlackRatingDiff "-11"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C46"] [Opening "Four Knights Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 { C46 Four Knights Game } 4. b4?? { (0.14 → -2.17) Blunder. Bb5 was best. } (4. Bb5 Bb4) 4... Bxb4 5. Nb5?? { (-2.28 → -6.06) Blunder. Nd5 was best. } (5. Nd5 Nxd5 6. exd5 e4 7. dxc6 exf3 8. Qxf3 dxc6 9. Qe3+ Qe7 10. Bb2 O-O 11. Bd3 Re8) 5... O-O?! { (-6.06 → -4.26) Inaccuracy. Nxe4 was best. } (5... Nxe4 6. c3) 6. Ng5?! { (-4.26 → -6.60) Inaccuracy. Bd3 was best. } (6. Bd3 d5) 6... Nxe4?? { (-6.60 → -1.98) Blunder. d5 was best. } (6... d5) 7. Qh5?? { (-1.98 → -9.95) Blunder. Nxe4 was best. } (7. Nxe4 d5) 7... g6?? { (-9.95 → Mate in 1) Checkmate is now unavoidable. Nxg5 was best. } (7... Nxg5 8. c3 Ba5 9. Bd3 e4 10. h4 Ne6 11. Bxe4 h6 12. O-O a6 13. Nd4 Ncxd4 14. cxd4) 8. Qxh7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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