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Puzzles (3 cohencoins award for each match):

Puzzle CF83Q: 371

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/qN1gsQ4c"] [Date "2025.10.24"] [White "Wali"] [Black "Trekker"] [Result "0-1"] [UTCDate "2025.10.24"] [UTCTime "20:27:30"] [WhiteElo "1830"] [BlackElo "1851"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+6"] [WhiteTitle "GM🏆"] [BlackTitle "GM🎅"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B02"] [Opening "Alekhine Defense: Scandinavian Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 Nf6 2. Nc3?! { (0.91 → 0.15) Inaccuracy. e5 was best. } (2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nf3 Be7 7. Nc3 Nc6 8. Be3 O-O) 2... d5 { B02 Alekhine Defense: Scandinavian Variation } 3. exd5 Nxd5 4. Bc4 Nb6 5. Bb3 c5 6. d3 Nc6 7. Nf3 Bg4?? { (0.14 → 3.51) Blunder. e6 was best. } (7... e6 8. O-O Be7 9. Be3 Na5 10. h3 O-O 11. Re1 Nd7 12. Qe2 b6 13. d4 Bb7 14. dxc5) 8. Be3?? { (3.51 → 0.25) Blunder. Bxf7+ was best. } (8. Bxf7+ Kxf7) 8... e6 9. O-O?! { (0.27 → -0.58) Inaccuracy. h3 was best. } (9. h3 Bh5 10. g4 Bg6 11. Qe2 Nd4 12. Bxd4 cxd4 13. Nb5 Bb4+ 14. Kf1 O-O 15. h4 h5) 9... Qc7 10. Nb5 Qd7 11. h3 Bh5 12. g4?! { (0.29 → -0.38) Inaccuracy. Ne5 was best. } (12. Ne5) 12... Bg6 13. Nh4?! { (-0.44 → -0.99) Inaccuracy. Bf4 was best. } (13. Bf4 Rc8 14. Re1 a6 15. Nc3 Bd6 16. Qc1 O-O 17. Qe3 Nd5 18. Nxd5 exd5 19. Bxd6 Qxd6) 13... a6 14. Nxg6? { (-0.68 → -2.02) Mistake. Nc3 was best. } (14. Nc3 Be7) 14... hxg6 15. Nc3 Rxh3 16. Kg2 Rh4 17. Rh1 Rxh1 18. Qxh1 O-O-O 19. Kf1 Nd4 20. Bxd4 Qxd4 21. Re1? { (-2.76 → -4.52) Mistake. Qe4 was best. } (21. Qe4 Qf6 22. Re1 Rd4 23. Qg2 c4 24. dxc4 Nxc4 25. Ne4 Nd2+ 26. Nxd2 Rxd2 27. Re2 Rxe2) 21... Qxg4 22. Rxe6? { (-4.12 → -8.25) Mistake. Re4 was best. } (22. Re4) 22... fxe6 23. Ne4 Qd1+ 24. Kg2 Qxh1+ 25. Kxh1 Be7 26. Bxe6+ Kc7 27. Bf7 Rh8+ 28. Kg1 g5 29. Ng3 Bd6 30. Nf5 Rf8 31. Be6 Re8 32. Nxg7 Re7 33. Nf5 Rxe6 34. d4 cxd4 35. Nxd4 Re1+ 36. Kg2 Nd5 37. c3 Rb1 38. Ne6+ Kd7 39. Nxg5 Rxb2 40. Ne4 Rxa2 41. Kf3 Ra3 42. Kg2 Rxc3 43. Nxc3 Nxc3 44. Kf3 Bc5 45. Kg2 a5 46. Kf1 a4 47. Ke1 a3 48. Kd2 a2 49. Kxc3 a1=Q+ 50. Kc4 Qa3 51. Kd5 Qb4 52. Ke5 Ke7 53. f4 Qd4+ 54. Kf5 Kf7 55. Kg5 Qg1+ 56. Kf5 Qe3 57. Kg4 Bd6 58. f5 Qf4+ 59. Kh3 Qg3# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting