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Puzzles (3 cohencoins award for each match):

Puzzle aiagT: 410

Puzzle 7qvR4: 592

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/w2Wq3Quv"] [Date "2025.10.20"] [White "Mark"] [Black "Walker"] [Result "1/2-1/2"] [UTCDate "2025.10.20"] [UTCTime "15:03:21"] [WhiteElo "1457"] [BlackElo "1498"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-1"] [WhiteTitle "⛳"] [BlackTitle "⚡"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C45"] [Opening "Scotch Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 { C45 Scotch Game } Nxd4?! { (0.27 → 0.99) Inaccuracy. Nf6 was best. } (4... Nf6 5. Nxc6) 5. Qxd4 Qf6 6. Qxf6 Nxf6 7. Nc3 Bc5 8. Bd3 O-O 9. Bf4 d6 10. e5?? { (0.35 → -1.93) Blunder. f3 was best. } (10. f3 a6 11. h4 h5 12. O-O-O Be6 13. Bh2 Nd7 14. Bg1 g6 15. Bxc5 Nxc5 16. Be2 Kg7) 10... dxe5 11. Bxe5? { (-2.10 → -3.78) Mistake. Bg5 was best. } (11. Bg5 Bd4 12. f3 Be6 13. Nb5 Bb6 14. O-O-O a6 15. Nc3 Nh5 16. Ne2 c6 17. Rhe1 f6) 11... Ng4?? { (-3.78 → -0.15) Blunder. Re8 was best. } (11... Re8) 12. Bg3 Re8+ 13. Be2 b6? { (-0.37 → 0.96) Mistake. Bf5 was best. } (13... Bf5 14. O-O c6 15. Rfd1 Nf6 16. Bd3 Bxd3 17. Rxd3 Rad8 18. Rxd8 Rxd8 19. Kf1 Rd2 20. Rd1) 14. O-O-O?? { (0.96 → -1.05) Blunder. O-O was best. } (14. O-O) 14... Bxf2? { (-1.05 → 0.02) Mistake. Nxf2 was best. } (14... Nxf2 15. Bxf2 Bxf2 16. Bf3 Rb8 17. Nd5 Bb7 18. Nxc7 Bxf3 19. gxf3 Re2 20. Nb5 Rc8 21. Kb1) 15. Bxf2?? { (0.02 → -5.83) Blunder. Bf3 was best. } (15. Bf3) 15... Nxf2 16. Bb5 Rf8 17. Bc6 Rb8 18. Bd7 Bxd7 19. Rxd7 Nxh1 20. Rxc7 Nf2 21. Rxa7 Rbd8 22. b3 g6 23. Kb2 Nd1+ 24. Kc1 Nxc3 25. Kb2 Nb5 26. Rb7 Rd6 27. c4 Nd4 28. Kc3 Ne2+ 29. Kb4 Nf4 30. a4 Nxg2 31. c5 bxc5+ 32. Kxc5 Rd3 33. a5 Rxb3? { (-10.74 → -4.93) Mistake. Rc8+ was best. } (33... Rc8+ 34. Kb4 Kg7 35. a6 Nf4 36. a7 Ra8 37. Kb5 Ne6 38. Kc4 Rh3 39. b4 Ra3 40. b5) 34. Rxb3 Nf4 35. Ra3 Ne6+ 36. Kb5 Nc7+ 37. Kb6 Rc8?? { (-5.75 → 0.00) Blunder. Na8+ was best. } (37... Na8+ 38. Kc5 f5 39. a6 f4 40. Kd4 f3 41. Ra1 f2 42. Rf1 Nc7 43. a7 Ra8 44. Ke3) 38. Kb7 Re8?? { (0.00 → 2.78) Blunder. Nb5 was best. } (38... Nb5 39. Kxc8 Nxa3 40. Kc7 Nb5+ 41. Kb6 Nd6 42. Kc7) 39. Kxc7 f5 40. a6 f4 41. a7 f3?! { (3.28 → 4.39) Inaccuracy. Kf7 was best. } (41... Kf7 42. a8=Q) 42. Rxf3 Ra8 43. Kb7 Rxa7+ 44. Kxa7 Kg7 45. Kb6 h5 46. h4 Kh6 47. Kc6 g5 48. Rf6+ Kg7 49. hxg5 h4 50. Rf3?! { (66.34 → 5.71) Inaccuracy. Rh6 was best. } (50. Rh6 Kf7 51. Rxh4 Kg6 52. Rg4 Kf5 53. Rg1 Kf4 54. g6 Ke3 55. g7 Kf3 56. g8=Q Kf4) 50... Kg6?! { (5.71 → 14.71) Inaccuracy. Kg6 was best. } (50... Kg6 51. Kd5 Kxg5 52. Ke4 Kg4 53. Rf8 Kg3 54. Rg8+ Kf2 55. Rh8 Ke2 56. Rxh4 Kd1 57. Rh3) 51. Rf6+?? { (14.71 → 0.00) Blunder. Kd5 was best. } (51. Kd5 Kh5 52. Ke4 Kxg5 53. Rf5+ Kg4 54. Rf8 Kg3 55. Ke3 Kg4 56. Kf2 Kh3 57. Kf3 Kh2) 51... Kxg5 52. Rf8 Kg4 53. Rg8+ Kh3?? { (0.00 → Mate in 8) Checkmate is now unavoidable. Kf3 was best. } (53... Kf3 54. Rh8 Kg3 55. Kd5 h3 56. Kd4 h2 57. Ke3 Kg2 58. Ke2 h1=Q 59. Rg8+ Kh2 60. Rh8+) 54. Kd5 Kh2 55. Ke4 h3 56. Kf3 Kh1 57. Rd8 Kh2 58. Kf2 Kh1 59. Rd1+ Kh2 60. Kf3 { Draw by stalemate. } 1/2-1/2
Computer analysisMove timesCrosstableFEN & PGN
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