Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/haEt9t6N"]
[Date "2025.07.14"]
[White "xavi"]
[Black "Drew"]
[Result "0-1"]
[UTCDate "2025.07.14"]
[UTCTime "23:43:26"]
[WhiteElo "1731"]
[BlackElo "1528"]
[WhiteRatingDiff "-11"]
[BlackRatingDiff "+18"]
[WhiteTitle "GM🥉"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "A07"]
[Opening "King's Indian Attack"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. Nf3 d5 2. g3 { A07 King's Indian Attack } Bf5 3. Bg2 Nf6 4. O-O e6 5. d3 Bd6 6. Nc3 O-O 7. Re1 h6?? { (0.30 → 5.61) Blunder. Bc5 was best. } (7... Bc5) 8. e4 dxe4?! { (5.54 → 7.63) Inaccuracy. Bg4 was best. } (8... Bg4 9. e5) 9. dxe4 Bg4 10. h3?? { (7.42 → 0.42) Blunder. e5 was best. } (10. e5 Nc6) 10... Bh5?? { (0.42 → 7.73) Blunder. Bxf3 was best. } (10... Bxf3 11. Qxf3 Nc6 12. Qe2 Nd4 13. Qd3 e5 14. Be3 c5 15. Nb5 a6 16. Nxd6 Qxd6 17. Qd1) 11. Qd3?? { (7.73 → 0.66) Blunder. e5 was best. } (11. e5) 11... e5?! { (0.66 → 1.18) Inaccuracy. Nc6 was best. } (11... Nc6 12. e5) 12. Be3 Nc6 13. Rad1 Nb4 14. a3?? { (0.99 → -7.32) Blunder. Qd2 was best. } (14. Qd2 Bxf3) 14... Nxd3 15. Rxd3 c5?! { (-7.46 → -5.38) Inaccuracy. Bxf3 was best. } (15... Bxf3 16. Bxf3 Qe8 17. Nd5 Nh7 18. c4 b6 19. Red1 Ng5 20. Bg2 Ne6 21. h4 Nc5) 16. Nxe5 Nd5?? { (-6.57 → 0.23) Blunder. Bxe5 was best. } (16... Bxe5) 17. exd5?? { (0.23 → -5.51) Blunder. Rxd5 was best. } (17. Rxd5 Bxe5 18. Rxe5 Bg6 19. Rxc5 Rc8 20. Rd5 Qc7 21. h4 Kh8 22. Rd2 Qa5 23. Rd7 Rfd8) 17... Bxe5 18. Bxc5 Re8 19. Rde3 Bxc3?? { (-6.38 → -2.18) Blunder. f6 was best. } (19... f6) 20. Rxe8+ Qxe8 21. Rxe8+ Rxe8 22. bxc3 Re1+? { (-1.72 → -0.56) Mistake. b6 was best. } (22... b6 23. Be3) 23. Bf1?? { (-0.56 → -6.15) Blunder. Kh2 was best. } (23. Kh2) 23... Be2 24. Bxa7 Rxf1+ 25. Kg2 Ra1 26. Bc5 Bf1+ 27. Kf3 Bxh3 28. Kf4 g5+ 29. Ke5 Re1+ 30. Be3 Re2?! { (-6.78 → -5.15) Inaccuracy. h5 was best. } (30... h5 31. c4 h4 32. gxh4 gxh4 33. Kd6 Rxe3 34. fxe3 Bg4 35. Ke5 h3 36. Kf4 h2 37. Kxg4) 31. Kd4 { White offers draw } 31... Rxc2 32. Kd3 Bf5+ 33. Kd4 Ra2 34. Ke5 Rxa3 35. Kxf5 Rxc3 36. Ke4 b5 37. Bd4 Rc4 38. Kd3 Kf8 39. f4 gxf4 40. gxf4 f5 41. d6 Ke8 42. Be5 h5 43. Ke3 h4 44. Kf3 b4 45. Kg2 Rc3 46. Kh2 Re3 47. Bf6 b3 48. Kg2 h3+ 49. Kh2 Kf7 50. d7 Re2+ 51. Kxh3 Rd2 52. Bc3 Rd3+ 53. Kh4 Ke7 54. d8=Q+ Kxd8 55. Bf6+ Kd7 56. Kg5 Ke6 57. Bh8 Rg3+ 58. Kh4 Rg4+ 59. Kh3 Rxf4 60. Kg3 Rg4+ 61. Kf3 Kf7 62. Ke3 f4+ 63. Kf3 Rg7 64. Kxf4 b2 65. Bxg7?! { (-55.87 → Mate in 12) Checkmate is now unavoidable. Bxg7 was best. } (65. Bxg7 Kxg7 66. Ke4 b1=Q+ 67. Kd4 Qc2 68. Kd5 Qc7 69. Kd4 Qc6 70. Kd3 Qc5 71. Kd2 Qc4) 65... Kxg7 66. Ke5 b1=Q 67. Kd4 Qb5 68. Ke4 Kf6 69. Kd4 Ke6 70. Ke4 Qb4+ 71. Kd3 Kd5 72. Ke3 Ke5 73. Kf3 Qf4+ 74. Ke2 Ke4 75. Kd1 Qf2 76. Kc1 Kd3 77. Kb1 Kc3 78. Ka1 Kb3 79. Kb1 { White offers draw } 79... Qf1# { Black wins by checkmate. } 0-1