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Puzzles (3 cohencoins award for each match):

Puzzle mxHpc: 783

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/d6f2rWNH"] [Date "2026.06.15"] [White "Zayn1"] [Black "Walker"] [Result "0-1"] [UTCDate "2026.06.15"] [UTCTime "15:39:26"] [WhiteElo "1564"] [BlackElo "1610"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+8"] [WhiteTitle "GM"] [BlackTitle "⚡"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e3 { A00 Van't Kruijs Opening } e5 2. Nf3?! { (0.31 → -0.57) Inaccuracy. d4 was best. } (2. d4 exd4 3. exd4 d5 4. Bd3 Bd6 5. Nf3 h6 6. O-O Ne7 7. Re1 O-O 8. Nbd2 Nd7) 2... Nc6?! { (-0.57 → 0.31) Inaccuracy. e4 was best. } (2... e4 3. Ng1) 3. Nc3?! { (0.31 → -0.52) Inaccuracy. d4 was best. } (3. d4 e4 4. Nfd2 f5 5. c4 Nf6 6. Nc3 Bb4 7. Qb3 d6 8. Be2 O-O 9. O-O a5) 3... Bc5?? { (-0.52 → 1.48) Blunder. d5 was best. } (3... d5 4. Bb5 e4 5. Nd4 Bd7 6. d3 Nf6 7. dxe4 dxe4 8. Bxc6 bxc6 9. Nde2 Bb4 10. Qd4) 4. d4 exd4 5. exd4 Bb4 6. Bd2? { (1.81 → 0.45) Mistake. d5 was best. } (6. d5 Bxc3+ 7. bxc3 Nce7 8. d6 cxd6 9. Qxd6 Nf6 10. Bd3 O-O 11. O-O Ng6 12. Ba3 Re8) 6... Nf6 7. Bd3 d5 8. a3 Bxc3 9. Bxc3 O-O 10. Kd2?? { (0.51 → -2.24) Blunder. Ne5 was best. } (10. Ne5 Nxe5 11. dxe5 Ne4 12. Bxe4 dxe4 13. Qh5 Qd5 14. Rd1 Qb5 15. Qh4 Bf5 16. Qf4 Be6) 10... Bg4? { (-2.24 → -1.03) Mistake. Ne4+ was best. } (10... Ne4+ 11. Ke2) 11. h3 Bxf3?! { (-1.04 → -0.31) Inaccuracy. Bh5 was best. } (11... Bh5 12. Re1) 12. Qxf3 Qd6? { (-0.25 → 0.87) Mistake. Ne4+ was best. } (12... Ne4+ 13. Bxe4 dxe4 14. Qxe4 Re8 15. Qf4 g5 16. Qg4 h5 17. Qg3 Nxd4 18. Qd3 Re2+ 19. Kd1) 13. Bb4?? { (0.87 → -4.30) Blunder. Rae1 was best. } (13. Rae1 Rae8 14. Kc1 Rxe1+ 15. Rxe1 g6 16. g4 Re8 17. Rxe8+ Nxe8 18. Bd2 a6 19. c3 Nd8) 13... Nxb4 14. axb4 Qxb4+ 15. c3?! { (-4.51 → -7.70) Inaccuracy. Kc1 was best. } (15. Kc1 Qxd4) 15... Qxb2+ 16. Ke3 Rae8+ 17. Kf4 Qd2+ 18. Kg3 Qxc3 19. Kh2 Qxd4 20. Rhf1 c5 21. Kg1 c4 22. Bc2 Qd2 23. Ra2 Qd4 24. Rd1 Qe5 25. Rxa7 Qb2 26. Bb1 Ra8 27. Rxa8 Rxa8 28. Qe3 Ra1 29. Qc1 Qxc1 30. Rxc1 b5 31. Bxh7+ Kxh7 32. Rxa1 Kg6?! { (-6.36 → -4.84) Inaccuracy. b4 was best. } (32... b4 33. Kf1) 33. Ra5?! { (-4.84 → -6.55) Inaccuracy. Rb1 was best. } (33. Rb1 d4) 33... b4 34. Rb5 b3 35. Kf1 Kf5 36. Ke2 Ke4 37. Kd2 Kd4 38. Rb4 Ne4+ 39. Ke2 Nc3+ 40. Kd2 Ne4+ 41. Ke2 Kc3 42. Rb7 b2 43. Kd1 Nxf2+ 44. Ke1 Nd3+ 45. Kd1 f5 46. Rxg7?! { (-10.39 → Mate in 3) Checkmate is now unavoidable. Ke2 was best. } (46. Ke2 d4 47. Kf3 Nc5 48. Rb5 Nb3 49. Rxf5 b1=R 50. Rd5 d3 51. Ke3 Rf1 52. Rd6 Nc5) 46... b1=Q+ 47. Ke2 Qe1+ 48. Kf3 Ne5+?! { (Mate in 1 → -66.10) Lost forced checkmate sequence. Qf2# was best. } (48... Qf2#) 49. Kf4 Qe4+ 50. Kg5 Qxg2+ 51. Kf6 Nd7+ 52. Kf7 Qxg7+ 53. Kxg7 f4 54. h4 f3 55. h5 f2 56. h6 f1=Q 57. h7 Qh1 58. Kg8 Qxh7+ 59. Kxh7 d4 60. Kh6 d3 61. Kh5 d2 62. Kh4 d1=Q 63. Kh3 Ne5 64. Kh2 Kd4 65. Kg3 c3 66. Kf2 c2 67. Kg3 c1=Q 68. Kf2 Qdd2+ 69. Kg3 Qf1 70. Kh4 Qdg2 { White resigns. } 0-1
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