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Puzzles (3 cohencoins award for each match):

Puzzle 0fO8u: 999999999

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/DeFDxYXB"] [Date "2026.04.29"] [White "LuNa"] [Black "Maria"] [Result "1-0"] [UTCDate "2026.04.29"] [UTCTime "20:32:15"] [WhiteElo "843"] [BlackElo "1186"] [WhiteRatingDiff "+26"] [BlackRatingDiff "-16"] [BlackTitle "❦"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C00"] [Opening "French Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e6 { C00 French Defense } 2. Qh5? { (0.59 → -0.74) Mistake. d4 was best. } (2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 a6 6. Nf3 c5 7. Be3 Nc6 8. a3 cxd4) 2... g6 3. Qe5 Nc6?? { (-0.91 → 8.25) Blunder. Nf6 was best. } (3... Nf6 4. Nf3 Bg7 5. Qf4 c5 6. c3 Nc6 7. d4 cxd4 8. cxd4 O-O 9. Nc3 d5 10. e5) 4. Qxh8 Nge7 5. Qxh7 Nd4 6. Ne2? { (8.92 → 4.03) Mistake. Na3 was best. } (6. Na3 Nec6) 6... Nxc2+ 7. Kd1 Nxa1 8. Nf4?? { (3.60 → 1.21) Blunder. b3 was best. } (8. b3 e5) 8... Nc6?? { (1.21 → 5.06) Blunder. d5 was best. } (8... d5) 9. h4?? { (5.06 → 1.14) Blunder. Nxg6 was best. } (9. Nxg6) 9... Qe7?? { (1.14 → 3.34) Blunder. Qf6 was best. } (9... Qf6 10. d3 b5 11. h5 g5 12. Nh3 Bb7 13. Nxg5 Qxf2 14. Bd2 Ne5 15. h6 O-O-O 16. Qh8) 10. Nxg6? { (3.34 → 1.64) Mistake. h5 was best. } (10. h5 Qf6) 10... Qc5?? { (1.64 → 5.31) Blunder. fxg6 was best. } (10... fxg6 11. Qxg6+) 11. Nxf8?? { (5.31 → 0.24) Blunder. Nc3 was best. } (11. Nc3) 11... Nb3?? { (0.24 → 9.74) Blunder. Qc2+ was best. } (11... Qc2+ 12. Ke2 Kxf8 13. Qh8+ Ke7 14. Na3 Qxc1 15. Qc3 Qxc3 16. bxc3 d5 17. Ke3 dxe4 18. Be2) 12. Ng6?? { (9.74 → -4.07) Blunder. axb3 was best. } (12. axb3 Nd4) 12... Qxc1+?! { (-4.07 → -2.96) Inaccuracy. Qxc1+ was best. } (12... Qxc1+) 13. Ke2?! { (-2.96 → -4.04) Inaccuracy. Ke2 was best. } (13. Ke2 Nbd4+) 13... Qxb1?? { (-4.04 → Mate in 1) Checkmate is now unavoidable. Nbd4+ was best. } (13... Nbd4+) 14. Qh8# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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