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Puzzles (3 cohencoins award for each match):

Puzzle wWWYB: 999999999

Dylan1 (1213) +15
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/ZpDYTl6s"] [Date "2025.12.09"] [White "Henry5"] [Black "Dylan1"] [Result "0-1"] [UTCDate "2025.12.09"] [UTCTime "00:26:11"] [WhiteElo "1408"] [BlackElo "1213"] [WhiteRatingDiff "-212"] [BlackRatingDiff "+15"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C64"] [Opening "Ruy Lopez: Classical Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 { C64 Ruy Lopez: Classical Variation } 4. Bxc6? { (0.66 → -0.35) Mistake. c3 was best. } (4. c3 Nge7 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 d5 8. e5 a6 9. Ba4 O-O 10. h3 f6) 4... dxc6 5. O-O Nf6 6. Nxe5 Qe7? { (0.02 → 1.52) Mistake. Nxe4 was best. } (6... Nxe4 7. Qe2 Qd5 8. Nf3 O-O 9. d4 Bd6 10. c4 Qe6 11. Re1 Re8 12. Nbd2 Nf6 13. Qd1) 7. Nf3?! { (1.52 → 0.86) Inaccuracy. d4 was best. } (7. d4 Bd6 8. Nd3 Nxe4 9. Re1 O-O 10. Nd2 f5 11. c4 Qf7 12. c5 Be7 13. Nf3 Bf6) 7... O-O?? { (0.86 → 2.88) Blunder. Bg4 was best. } (7... Bg4 8. d3 O-O-O 9. Nbd2 Bh5 10. Qe1 Nd7 11. a3 Rhe8 12. b4 Bb6 13. Bb2 f5 14. exf5) 8. Nc3?? { (2.88 → -0.30) Blunder. e5 was best. } (8. e5 Nd7 9. d4 Bb6 10. Re1 Re8 11. a3 Qe6 12. Nc3 Nf8 13. Ne2 Ng6 14. h3 f6) 8... Nxe4 9. Nxe4 Qxe4 10. Ng5?! { (-0.25 → -1.07) Inaccuracy. Re1 was best. } (10. Re1 Qg6 11. d4 Bd6 12. Ne5 Qf6 13. Nc4 Be7 14. b3 Be6 15. Bb2 Bxc4 16. bxc4 Rfe8) 10... Qg6 11. Nf3?? { (-0.74 → -2.42) Blunder. d3 was best. } (11. d3 Re8 12. Bf4 Bf5 13. Nf3 Qf6 14. Bxc7 Qxb2 15. a4 Re7 16. Rb1 Qa2 17. Rxb7 Qxa4) 11... Bh3? { (-2.42 → -1.16) Mistake. Bg4 was best. } (11... Bg4 12. d3) 12. b4?? { (-1.16 → Mate in 1) Checkmate is now unavoidable. Nh4 was best. } (12. Nh4 Qe4 13. Qh5 Be7 14. d3 Qxh4 15. Qxh4 Bxh4 16. gxh3 Rfe8 17. Be3 Kf8 18. Rae1 Be7) 12... Qxg2# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting