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Puzzles (3 cohencoins award for each match):

FEN
[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/I9e6iFa6"] [Date "2025.12.21"] [White "Christian1"] [Black "Diego"] [Result "1-0"] [UTCDate "2025.12.21"] [UTCTime "18:03:01"] [WhiteElo "1728"] [BlackElo "1589"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-9"] [WhiteTitle "NM🐍"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D03"] [Opening "Queen's Pawn Game: Torre Attack"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 Nf6 3. Bg5 { D03 Queen's Pawn Game: Torre Attack } Nc6 4. c4 dxc4 5. Nc3 e6 6. e3 Bb4?! { (0.52 → 1.55) Inaccuracy. Na5 was best. } (6... Na5 7. Bxc4 Nxc4 8. Qa4+ Qd7 9. Qxc4 Nd5 10. Ne5 Qd6 11. Qb5+ c6 12. Qe2 f6 13. Qh5+) 7. Bxc4 O-O 8. Qc2 h6 9. Bxf6?! { (1.46 → 0.86) Inaccuracy. Bh4 was best. } (9. Bh4 b6 10. O-O Bb7 11. Rfd1 Bxc3 12. bxc3 Ne7 13. d5 exd5 14. Bxf6 gxf6 15. e4 Qd6) 9... Qxf6 10. Bd3?! { (0.82 → 0.00) Inaccuracy. O-O was best. } (10. O-O) 10... e5 11. O-O-O?! { (0.16 → -0.68) Inaccuracy. d5 was best. } (11. d5 Ne7 12. O-O Bxc3 13. Qxc3 Nxd5 14. Qxe5 Qxe5 15. Nxe5 Re8 16. Nf3 c6 17. Rac1 a5) 11... Re8?? { (-0.68 → 3.66) Blunder. exd4 was best. } (11... exd4 12. Nd5) 12. dxe5 Nxe5?! { (3.15 → 4.25) Inaccuracy. Qe6 was best. } (12... Qe6) 13. Nxe5?? { (4.25 → -0.54) Blunder. Bh7+ was best. } (13. Bh7+ Kh8 14. Nd5 Qe6 15. Nxe5 Qxe5 16. Nxb4 g6 17. Bxg6 fxg6 18. Qxg6 Qc5+ 19. Nc2 Qf8) 13... Qxe5 14. h3 Bxc3?! { (-0.87 → -0.31) Inaccuracy. Be6 was best. } (14... Be6 15. a3 Bf8 16. Rhe1 Qa5 17. f4 Rab8 18. f5 Bd7 19. e4 b5 20. e5 b4 21. e6) 15. Qxc3 Bf5 16. Qxe5 Rxe5 17. Bxf5 Rxf5 18. f3 Rf6 19. Rd2 Rd6?! { (0.30 → 0.82) Inaccuracy. Kf8 was best. } (19... Kf8 20. Rhd1 Rc8 21. Kb1 Ke7 22. Rd7+ Ke8 23. h4 Rf5 24. e4 Rf4 25. h5 Rh4 26. R7d5) 20. Rhd1 Rad8?! { (0.32 → 0.92) Inaccuracy. Rxd2 was best. } (20... Rxd2 21. Rxd2 Re8 22. e4 Kf8 23. Kc2 Ke7 24. b4 Rf8 25. Rd4 f5 26. Kd3 Rf6 27. a4) 21. Rxd6 Rxd6 22. Rxd6 cxd6 23. Kd2 f5 24. Kd3 Kf7 25. Kd4 Ke6 26. f4 Kd7 27. Kd5 Ke7 28. g4?? { (2.01 → 0.00) Blunder. e4 was best. } (28. e4 fxe4) 28... g6?? { (0.00 → 2.70) Blunder. fxg4 was best. } (28... fxg4 29. hxg4 g6 30. Ke4 Kf6 31. Kf3 d5 32. Kg3 a5 33. Kh4 Ke6 34. b3 Kf6 35. Kg3) 29. gxf5 gxf5 30. e4?! { (1.41 → 0.52) Inaccuracy. b4 was best. } (30. b4 h5) 30... fxe4 31. Kxe4 Ke6 32. f5+ Kf6 33. Kd5 Kxf5 34. Kxd6 Kf4 35. Kc7?! { (0.78 → 0.12) Inaccuracy. a4 was best. } (35. a4 a5 36. Kc7 Kg3 37. Kxb7 Kxh3 38. Ka6 h5 39. Kxa5 h4 40. b4 Kg2 41. b5 h3) 35... Kg3?! { (0.12 → 0.66) Inaccuracy. b5 was best. } (35... b5 36. b4 Kg3 37. Kc6 a6 38. Kb6 Kxh3 39. Kxa6 Kg4 40. Kxb5 h5 41. Ka4 Kf5 42. b5) 36. Kxb7 Kxh3 37. Kxa7 Kg3?? { (0.73 → 60.12) Blunder. h5 was best. } (37... h5 38. b4 h4 39. b5 Kg4 40. b6 h3 41. b7 h2 42. b8=Q h1=Q 43. Qb4+ Kh3 44. Qc3+) 38. b4 h5 39. b5 h4 40. b6 h3 41. b7 h2 42. b8=Q+ Kg2 43. Qg8+ Kf1 44. Qf7+ Kg2 45. Qg6+ Kf1 46. Qf5+ Kg2 47. Qg4+ Kf1 48. Qh3+ Kg1 49. Qxh2+ Kxh2 50. a4 Kg3 51. a5 Kf4 52. Kb6 Ke5 53. a6 Kd6 54. a7 Kd7 55. a8=Q Kd6 56. Qe4 Kd7 57. Qe5 Kd8 58. Qg7 Ke8 59. Kc6 Kd8 60. Qd7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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