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Puzzles (3 cohencoins award for each match):

Puzzle aolC2: 616

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/RhRIYMPE"] [Date "2026.02.07"] [White "Eli4"] [Black "Abigail1"] [Result "0-1"] [UTCDate "2026.02.07"] [UTCTime "00:20:04"] [WhiteElo "755"] [BlackElo "1029"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 e6 { A40 Horwitz Defense } 2. e3 c5 3. Nc3?! { (0.39 → -0.34) Inaccuracy. d5 was best. } (3. d5 exd5 4. Ne2 Nf6 5. g3 Nc6 6. Nbc3 g6 7. Bg2 d6 8. O-O Bg7 9. Nxd5 Nxd5) 3... cxd4?! { (-0.34 → 0.38) Inaccuracy. d5 was best. } (3... d5) 4. Nf3?? { (0.38 → -9.10) Blunder. exd4 was best. } (4. exd4 Nf6) 4... dxc3 5. bxc3 Bc5 6. Bd3 Qf6 7. Bd2 g5?! { (-8.04 → -5.55) Inaccuracy. Qe7 was best. } (7... Qe7) 8. Qe2 g4 9. O-O?! { (-5.42 → -9.71) Inaccuracy. Nd4 was best. } (9. Nd4 Nc6) 9... gxf3 10. Qxf3 Qh6 11. e4 Bd6?? { (-13.39 → 6.53) Blunder. Qxd2 was best. } (11... Qxd2 12. Bb5 Qg5 13. Rae1 Ne7 14. Qe2 Nbc6 15. g3 O-O 16. Kg2 Qe5 17. Qd3 Bb6 18. f4) 12. e5?? { (6.53 → -9.07) Blunder. Bxh6 was best. } (12. Bxh6 Nxh6) 12... Bxe5?? { (-9.07 → 2.20) Blunder. Qxd2 was best. } (12... Qxd2 13. exd6 Qxc3 14. Rae1 Nc6 15. Re3 Qd4 16. Qg3 Kf8 17. Rfe1 e5 18. Be4 Qxd6 19. Bxc6) 13. Bb5?? { (2.20 → Mate in 1) Checkmate is now unavoidable. Bxh6 was best. } (13. Bxh6 Nxh6) 13... Qxh2# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting