FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/5j7plH9D"]
[Date "2026.04.13"]
[White "Masterwill"]
[Black "Sadie"]
[Result "1/2-1/2"]
[UTCDate "2026.04.13"]
[UTCTime "23:28:34"]
[WhiteElo "1475"]
[BlackElo "1287"]
[WhiteRatingDiff "-8"]
[BlackRatingDiff "+7"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C41"]
[Opening "Philidor Defense: Exchange Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 { C41 Philidor Defense: Exchange Variation } Bd7?! { (0.57 → 1.48) Inaccuracy. Nf6 was best. } (4... Nf6 5. Nc3) 5. Bb5? { (1.48 → 0.42) Mistake. Nc3 was best. } (5. Nc3 Nf6 6. Be3 a6 7. Qd2 c5 8. Nde2 b5 9. O-O-O b4 10. Nd5 Nxd5 11. Qxd5 Bc6) 5... c6?! { (0.42 → 0.98) Inaccuracy. g6 was best. } (5... g6 6. Nc3) 6. Bc4 b5 7. Bd3 c5?? { (0.65 → 3.33) Blunder. Nf6 was best. } (7... Nf6) 8. Nxb5 Bxb5? { (3.42 → 5.89) Mistake. a6 was best. } (8... a6 9. N5a3 Nf6 10. Nc3 Be7 11. Bf4 Nc6 12. O-O O-O 13. Nc4 Re8 14. Qd2 Be6 15. h3) 9. Bxb5+ Nd7 10. Bxd7+? { (6.09 → 3.40) Mistake. Nc3 was best. } (10. Nc3 Be7 11. Bf4 a6 12. Bxd7+ Qxd7 13. Qf3 Qc6 14. Nd5 Bd8 15. e5 Ne7 16. O-O-O Nxd5) 10... Qxd7 11. O-O Nf6 12. Nc3?! { (4.14 → 3.26) Inaccuracy. c4 was best. } (12. c4 Be7 13. Nc3 O-O 14. Qd3 Rae8 15. h3 Qe6 16. Bf4 Nh5 17. Bh2 Bf6 18. Rad1 Bxc3) 12... O-O-O? { (3.26 → 5.92) Mistake. Be7 was best. } (12... Be7 13. Bf4 O-O 14. Qf3 Rfe8 15. Rfe1 Bf8 16. Rad1 Re6 17. b3 Qc6 18. Qd3 c4 19. Qxc4) 13. Bg5 Be7 14. Bxf6 Bxf6 15. Qf3?! { (5.57 → 4.20) Inaccuracy. Nd5 was best. } (15. Nd5 Rhe8 16. Qd3 Re6 17. c3 Rde8 18. Rfe1 Bd8 19. Kf1 Re5 20. b3 Qc6 21. Rad1 c4) 15... Bxc3 16. Qxc3 Rhe8 17. Qxg7 Rxe4 18. Qxh7 d5 19. Rae1 Rxe1?! { (4.98 → 7.00) Inaccuracy. f5 was best. } (19... f5) 20. Rxe1 f5 21. Qxd7+ Rxd7 22. Re8+ Kc7 23. Rf8 d4 24. Rxf5 c4 25. Rc5+ Kb6 26. Rxc4 Kb5 27. b3 a5 28. Ra4 Re7 29. h3 Re1+ 30. Kh2 Re2 31. c4+?? { (8.36 → 3.32) Blunder. Rxd4 was best. } (31. Rxd4 Rxc2) 31... dxc3?? { (3.32 → 7.06) Blunder. Kb6 was best. } (31... Kb6 32. c5+) 32. Rc4 c2 33. a4+ Kb6 34. Kg3 Ka6 35. Kf3 Rd2 36. Ke3 c1=Q 37. Rxc1 Rb2 38. Rc6+ Kb7 39. Rc5 Rxb3+ 40. Ke4 Rb2 41. Rxa5 Rxf2 42. Rb5+ Kc6 43. Kd4?! { (7.44 → 4.60) Inaccuracy. Rg5 was best. } (43. Rg5) 43... Rxg2 44. Kc4?? { (4.68 → 2.32) Blunder. Ke5 was best. } (44. Ke5) 44... Rh2?! { (2.32 → 3.48) Inaccuracy. Rg8 was best. } (44... Rg8 45. a5 Rh8 46. Rb6+ Kd7 47. Rb3 Kc6 48. Kd4 Kd6 49. Ke4 Rh4+ 50. Kf5 Ra4 51. Kf6) 45. Rb3 Rc2+ 46. Kd3?? { (3.91 → 0.15) Blunder. Rc3 was best. } (46. Rc3) 46... Rc5?? { (0.15 → 56.48) Blunder. Ra2 was best. } (46... Ra2 47. Ke4 Rxa4+ 48. Kf5 Kd7 49. Re3 Rc4 50. Re4 Rxe4 51. Kxe4 Ke6 52. Kf4 Kf6 53. Kg4) 47. Rc3 Rxc3+ 48. Kxc3 Kb6 49. Kb4 Kc6 50. Ka5 Kd6 51. Kb5 Ke6 52. a5 Kf5 53. a6 Kg5 54. a7 Kh4 55. a8=Q Kxh3 56. Qe4 Kg3 57. Kc4 Kf2 58. Kd4 Kg3 59. Ke5 Kf2 60. Kf4 Kf1 61. Qe3 Kg2 62. Qf3+ Kh2 63. Ke3 Kg1 64. Ke2 Kh2 65. Qf4+ Kh3 66. Kf2?? { (Mate in 3 → 0.00) Lost forced checkmate sequence. Qg5 was best. } { Draw by stalemate. } (66. Qg5 Kh2 67. Kf3 Kh3 68. Qh5#) 1/2-1/2