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Puzzles (3 cohencoins award for each match):

Puzzle p77y8: 669

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/lgj1CPm6"] [Date "2026.05.18"] [White "Cohen"] [Black "ay136416"] [Result "0-1"] [UTCDate "2026.05.18"] [UTCTime "23:35:43"] [WhiteElo "1283"] [BlackElo "1470"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+6"] [WhiteTitle "IM"] [BlackTitle "NM🙂"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C47"] [Opening "Four Knights Game: Scotch Variation Accepted"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 { C47 Four Knights Game: Scotch Variation Accepted } 5. Nxd4 Bc5?! { (0.11 → 0.70) Inaccuracy. Bb4 was best. } (5... Bb4 6. Nxc6) 6. Nxc6 bxc6 7. Bg5 O-O 8. Na4?? { (0.09 → -6.83) Blunder. Bd3 was best. } (8. Bd3 h6 9. Bh4 Rb8 10. O-O Re8 11. Re1 Bd4 12. Rb1 Rxb2 13. Rxb2 Bxc3 14. Rb8 Bxe1) 8... d6?? { (-6.83 → 2.94) Blunder. Bxf2+ was best. } (8... Bxf2+ 9. Kxf2 Nxe4+ 10. Kg1 Qxg5 11. Qd4 d5 12. Nc3 f5 13. h4 Qe7 14. Rh3 Bd7 15. Re1) 9. Nxc5 dxc5 10. Qxd8 Rxd8 11. Bc4? { (3.05 → 1.46) Mistake. f3 was best. } (11. f3 Be6) 11... Be6? { (1.46 → 2.79) Mistake. Re8 was best. } (11... Re8 12. O-O-O Nxe4 13. Be3 Bg4 14. f3 Nd6 15. Bxc5 Nxc4 16. fxg4 Re5 17. Bd4 Re2 18. Rhe1) 12. Bxe6 fxe6 13. e5? { (2.92 → 1.41) Mistake. f3 was best. } (13. f3 a5) 13... Rd5 14. exf6?! { (1.43 → 0.62) Inaccuracy. Bxf6 was best. } (14. Bxf6 gxf6 15. exf6 Kf7 16. O-O a5 17. Rfe1 Rb8 18. b3 Rd2 19. Rac1 a4 20. g3 c4) 14... Rxg5 15. O-O-O gxf6 16. c4?? { (0.49 → -1.38) Blunder. Rhe1 was best. } (16. Rhe1 Rxg2 17. Rxe6 Rxf2 18. Rxc6 f5 19. Rxc7 Rxh2 20. Rg1+ Kh8 21. Rf1 Re8 22. b3 Ree2) 16... Rxg2 17. Rhg1?! { (-0.92 → -1.56) Inaccuracy. Rd7 was best. } (17. Rd7 Rxf2) 17... Rxg1 18. Rxg1+ Kf7 19. Rd1 a5 20. Rd7+ Kg8?? { (-1.17 → 1.37) Blunder. Kg6 was best. } (20... Kg6) 21. Rxc7 Ra6 22. a4 Rb6 23. Re7? { (1.16 → -0.11) Mistake. Kc2 was best. } (23. Kc2 Ra6 24. f4 h5 25. Re7 Kf8 26. Rxe6 Kf7 27. f5 Rb6 28. b3 Ra6 29. Kb2 Rb6) 23... e5? { (-0.11 → 0.98) Mistake. Rb4 was best. } (23... Rb4 24. Kc2 Rxc4+ 25. Kb3 Re4 26. Ra7 c4+ 27. Kc3 Re5 28. Kxc4 Rf5 29. b4 Rf4+ 30. Kc5) 24. Re6?? { (0.98 → -2.50) Blunder. Kc2 was best. } (24. Kc2 Ra6 25. h4 h5 26. Kc3 Kf8 27. Rh7 Ke8 28. Rc7 Kf8 29. b3 Ke8 30. Rh7 Kf8) 24... Kf7 25. Rd6 Ke7?! { (-3.72 → -2.68) Inaccuracy. Rb4 was best. } (25... Rb4 26. Rxc6 Rxc4+ 27. Kd2 Rxa4 28. Rxc5 Rd4+ 29. Kc3 a4 30. Rc4 Rxc4+ 31. Kxc4 f5 32. Kd5) 26. Rd2?? { (-2.68 → -6.55) Blunder. Rd3 was best. } { White offers draw } (26. Rd3 Rb7) 26... Rb4 27. h4 Rxc4+ 28. Rc2 Rxa4 29. Rxc5 Rxh4 30. Rxc6 Rh2 31. Rc7+ Ke6 32. Rc6+ Kf5 33. Rc2 e4 34. Kb1 Rh1+ 35. Ka2 Kf4 36. Rc3 f5 37. Ra3 h5 38. Rxa5 h4 39. b4 Rg1 40. b5 Rc1 41. b6 Rc8 42. Ra6 Rb8 43. Kb3 h3 44. Kb4 h2 45. Ra1 Rxb6+ 46. Kc5 Rh6 47. Rh1 Kf3 48. Kd5 { White offers draw } 48... Kg2 49. Re1 h1=Q 50. Rxh1 Kxh1 51. f4 e3 52. Kd4 e2 53. Kd3 e1=Q 54. Kd4 Rd6+ 55. Kc5 Rd2 56. Kc4 Qc1+ 57. Kb3 Rb2+ { White resigns. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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