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Puzzles (3 cohencoins award for each match):

Puzzle dPbvX: 730

GM🎅 Trekker (1841) +1
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/i2MzSNwg"] [Date "2025.09.16"] [White "Trekker"] [Black "Rhys1"] [Result "1-0"] [UTCDate "2025.09.16"] [UTCTime "14:10:25"] [WhiteElo "1841"] [BlackElo "1403"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-2"] [WhiteTitle "GM🎅"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A28"] [Opening "English Opening: King's English Variation, Four Knights Variation, Quiet Line"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 { A28 English Opening: King's English Variation, Four Knights Variation, Quiet Line } d5 5. cxd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Qd7? { (0.43 → 1.62) Mistake. Bd6 was best. } (7... Bd6 8. d4) 8. Nxe5 Qd5 9. Nxc6?? { (2.20 → 0.13) Blunder. Qa4 was best. } (9. Qa4) 9... bxc6?? { (0.13 → 1.74) Blunder. Qxg2 was best. } (9... Qxg2 10. Ne5+ c6 11. Bxc6+ bxc6 12. Qf3 Qxf3 13. Nxf3 Ba6 14. Rg1 f6 15. Nd4 Kd7 16. Nb3) 10. Be2?? { (1.74 → 0.12) Blunder. Bf1 was best. } (10. Bf1 Bd6 11. Be2 Rb8 12. O-O c5 13. Re1 O-O 14. d4 Bf5 15. Ba3 cxd4 16. Bf3 Qa5) 10... Qxg2 11. Bf3 Qh3?? { (0.23 → 7.30) Blunder. Qg6 was best. } (11... Qg6 12. Qa4) 12. Bxc6+ Kd8 13. Bxa8 Bg4 14. Qa4 Bf3 15. Qd4+ Bd6 16. Bxf3 Qxf3 17. Rf1 Ke8 18. Qxg7 Rf8 19. Qd4 Bxh2 20. Ba3 Rg8 21. Rb1 c6 22. Rb7 Qf5?! { (11.53 → Mate in 7) Checkmate is now unavoidable. c5 was best. } (22... c5 23. Qa4+ Kf8 24. Bxc5+ Kg7 25. Bd4+ Kg6 26. Qa6+ Kh5 27. Qxa7 Bg1 28. Rb5+ Kh6 29. Qa6+) 23. Re7+ Kf8 24. Re5+ Kg7 25. Re6+?! { (Mate in 4 → 11.91) Lost forced checkmate sequence. Rxf5+ was best. } (25. Rxf5+ Be5 26. Qxe5+ Kh6 27. Qf6+ Rg6 28. Bf8#) 25... f6 26. Re7+ Kh6?! { (12.77 → Mate in 14) Checkmate is now unavoidable. Kg6 was best. } (26... Kg6 27. Qh4) 27. Qh4+?! { (Mate in 14 → 58.79) Lost forced checkmate sequence. Qh4+ was best. } (27. Qh4+ Kg6 28. Qxh7+ Kg5 29. Qxg8+ Kh4 30. Rh7+ Qh5 31. Rxh5+ Kxh5 32. Qh7+ Kg5 33. f4+ Kg4) 27... Qh5?! { (58.79 → Mate in 9) Checkmate is now unavoidable. Kg6 was best. } (27... Kg6 28. Qxh7+) 28. Rxh7+ Kxh7 29. Qxh5+ Kg7 30. Qxh2 Rf8 31. Rg1+ Kf7 32. Qc7+ Ke8 33. Qe7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting