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Puzzles (3 cohencoins award for each match):

Puzzle MdcyX: 723

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/wzZWgpFB"] [Date "2025.11.03"] [White "colton1"] [Black "Mark"] [Result "1-0"] [UTCDate "2025.11.03"] [UTCTime "16:33:37"] [WhiteElo "1375"] [BlackElo "1506"] [WhiteRatingDiff "+25"] [BlackRatingDiff "-13"] [WhiteTitle "IM🤔"] [BlackTitle "⛳"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B10"] [Opening "Caro-Kann Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c6 { B10 Caro-Kann Defense } 2. Nf3 d5 3. e5 e6?! { (0.27 → 0.86) Inaccuracy. Bg4 was best. } (3... Bg4 4. d4 e6 5. Be2 c5 6. c4 Nc6 7. cxd5 Qxd5 8. Nc3 Qd7 9. Be3 cxd4 10. Nxd4) 4. d4 c5 5. c3 Nc6 6. Be3 f5?? { (0.36 → 2.01) Blunder. Qb6 was best. } (6... Qb6) 7. g3? { (2.01 → 0.84) Mistake. dxc5 was best. } (7. dxc5 Nge7) 7... Nge7 8. Nbd2 Ng6 9. h4 Nge7? { (1.77 → 3.43) Mistake. Be7 was best. } (9... Be7 10. h5 cxd4 11. cxd4 Nf8 12. a3 h6 13. b4 Nh7 14. Bd3 Bd7 15. Rc1 O-O 16. Nb3) 10. Bg5? { (3.43 → 1.72) Mistake. dxc5 was best. } (10. dxc5 a6 11. b4 Ng6 12. Bd4 Qc7 13. Qe2 Nxd4 14. cxd4 Ne7 15. a3 Nc6 16. Qe3 Be7) 10... g6?? { (1.72 → 4.09) Blunder. cxd4 was best. } (10... cxd4 11. cxd4) 11. Bf6 Rg8 12. h5?! { (4.25 → 3.17) Inaccuracy. dxc5 was best. } (12. dxc5) 12... Bg7? { (3.17 → 5.21) Mistake. g5 was best. } (12... g5 13. Nxg5 h6 14. Nh7 cxd4 15. cxd4 Qb6 16. Nb3 a5 17. Nxf8 Rxf8 18. Qd2 a4 19. Nc5) 13. hxg6 Bxf6?! { (5.19 → 8.42) Inaccuracy. h6 was best. } (13... h6 14. Bxg7) 14. exf6?? { (8.42 → 1.87) Blunder. gxh7 was best. } (14. gxh7 Bg7) 14... Nxg6 15. Rxh7 Qxf6 16. Qe2?! { (1.23 → 0.40) Inaccuracy. Bb5 was best. } (16. Bb5 Bd7) 16... cxd4 17. cxd4 Nxd4 18. Nxd4 Qxd4 19. Qb5+ Kd8 20. Rc1 Qe5+?? { (0.57 → 5.06) Blunder. Rg7 was best. } (20... Rg7 21. Rxg7 Qxg7 22. Nf3 Ne5 23. Nxe5 Qxe5+ 24. Be2 Bd7 25. Qb4 Qf6 26. Qxb7 Rc8 27. Rxc8+) 21. Be2 a6?? { (4.71 → Mate in 3) Checkmate is now unavoidable. Rg7 was best. } (21... Rg7 22. Nc4 Qc7 23. Rxg7 Qxg7 24. Qa5+ Ke7 25. Nb6 axb6 26. Qxa8 Bd7 27. Qa3+ Kd8 28. Qb4) 22. Rxc8+ Kxc8 23. Qd7+ Kb8 24. Qxb7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting