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Puzzles (3 cohencoins award for each match):

Puzzle Ns4oz: 999999999

GM🎅 Trekker (1798) +11
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/bB5DFEzt"] [Date "2025.08.29"] [White "Trekker"] [Black "Benton"] [Result "1-0"] [UTCDate "2025.08.29"] [UTCTime "20:51:56"] [WhiteElo "1798"] [BlackElo "1996"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-12"] [WhiteTitle "GM🎅"] [BlackTitle "GM☾"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A27"] [Opening "English Opening: King's English Variation, Three Knights System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. c4 e5 2. Nc3 Nc6 3. Nf3 { A27 English Opening: King's English Variation, Three Knights System } Bc5?! { (0.30 → 0.96) Inaccuracy. Nf6 was best. } (3... Nf6 4. g3) 4. e3 d6 5. d4 exd4 6. exd4 Bb4? { (0.73 → 1.83) Mistake. Bb6 was best. } (6... Bb6 7. d5 Ne5 8. Nxe5 dxe5 9. Bd3 Nf6 10. O-O O-O 11. Qf3 Bd4 12. h3 Re8 13. Bc2) 7. d5?! { (1.83 → 0.84) Inaccuracy. Bd3 was best. } (7. Bd3 Bxc3+ 8. bxc3 Nge7 9. O-O O-O 10. Qc2 Kh8 11. h3 Ng6 12. Re1 h6 13. c5 b6) 7... Ne5?? { (0.84 → 7.53) Blunder. Bxc3+ was best. } (7... Bxc3+) 8. Qa4+ Bd7 9. Qxb4 Nxf3+ 10. gxf3 b6 11. Be3 a5 12. Qb3 Nf6 13. Qc2 c6 14. Rg1 g6 15. Bd4 Qe7+ 16. Qe2 Qxe2+ 17. Bxe2 Ke7 18. Bxf6+ Kxf6 19. dxc6 Bxc6 20. Nd5+ Kg7 21. O-O-O Rae8 22. Bd3 Bxd5 23. cxd5 Rc8+ 24. Kb1 Rhe8 25. Rge1 Red8 26. Rc1 Rb8 27. Bb5 f5 28. Re7+ Kh6 29. Rcc7 Kg5 30. Rxh7 Kf4 31. Be2 Re8 32. Rc4+ Ke5 33. Rf7 Kxd5 34. Bd3 Rh8 35. Rf6 Rbg8 36. h4 b5 37. Rf4?? { (6.28 → -1.25) Blunder. Rc1 was best. } (37. Rc1) 37... Ke5 38. R6xf5+ gxf5 39. Rxf5+ Kd4 40. Be4 Rxh4?! { (-1.13 → -0.16) Inaccuracy. Rg1+ was best. } (40... Rg1+ 41. Kc2 Rc8+ 42. Kd2 Rc5 43. Rf4 Ke5 44. Rf8 d5 45. Bd3 Rh1 46. h5 Rxh5 47. Ke3) 41. Rxb5? { (-0.16 → -1.44) Mistake. Rd5+ was best. } (41. Rd5+ Kc4 42. b3+ Kc3 43. Rd3+ Kb4 44. Kb2 Rg2 45. a3+ Kc5 46. Rd5+ Kc6 47. Rh5+ Rxe4) 41... Rh1+ 42. Kc2 Rc8+ 43. Kb3? { (-1.49 → -2.81) Mistake. Kd2 was best. } (43. Kd2 Rc5 44. Rb3 d5 45. Bg6 Rh6 46. Rd3+ Ke5 47. Re3+ Kf4 48. Bd3 Rh2 49. Ke2 Rc1) 43... Rf1?? { (-2.81 → Mate in 1) Checkmate is now unavoidable. Rc5 was best. } (43... Rc5) 44. Rd5# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting