FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/pHqm0QAZ"]
[Date "2023.10.31"]
[White "Oskar"]
[Black "Nate"]
[Result "1-0"]
[UTCDate "2023.10.31"]
[UTCTime "20:35:30"]
[WhiteElo "1940"]
[BlackElo "1912"]
[WhiteRatingDiff "+12"]
[BlackRatingDiff "-8"]
[WhiteTitle "GM🦃"]
[BlackTitle "GM🥉"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "E90"]
[Opening "King's Indian Defense: Normal Variation, Rare Defenses"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 { E90 King's Indian Defense: Normal Variation, Rare Defenses } O-O 6. Bd3 Nbd7 7. Bf4?! { (1.01 → 0.06) Inaccuracy. O-O was best. } (7. O-O e5 8. Be3 Ng4 9. Bg5 f6 10. Bc1 exd4 11. Nxd4 Nc5 12. Bc2 Ne6 13. h3 Ne5) 7... Re8 8. O-O e5 9. dxe5 dxe5 10. Bg5?! { (0.02 → -0.50) Inaccuracy. Be3 was best. } (10. Be3 c6) 10... h6 11. Bh4?! { (-0.24 → -1.12) Inaccuracy. Be3 was best. } (11. Be3 c6 12. Bc2 Nh5 13. Qd6 Qa5 14. Rfd1 Nb6 15. Bb3 Be6 16. Qd2 Nxc4 17. Bxc4 Bxc4) 11... Nc5 12. Be2? { (-1.07 → -2.72) Mistake. Bc2 was best. } (12. Bc2 Qxd1) 12... Bg4? { (-2.72 → -1.05) Mistake. Qxd1 was best. } (12... Qxd1 13. Raxd1 Nfxe4 14. Nb5 Ne6 15. Nd2 N4c5 16. Rfe1 e4 17. b4 Na4 18. Nxe4 a6 19. Ned6) 13. Bxf6?! { (-1.05 → -1.73) Inaccuracy. Qxd8 was best. } (13. Qxd8 Rexd8 14. Bxf6 Bxf6 15. Nd5 Kg7 16. Nxc7 Rac8 17. Nd5 Nxe4 18. Rfe1 Be6 19. Nxf6 Kxf6) 13... Qxf6 14. b4 Rad8?? { (-1.55 → 2.21) Blunder. Ne6 was best. } (14... Ne6 15. Nd5) 15. Qc2?? { (2.21 → -1.79) Blunder. Nd5 was best. } (15. Nd5) 15... Ne6?? { (-1.79 → 2.07) Blunder. Bxf3 was best. } (15... Bxf3 16. Bxf3 Ne6 17. Nd5 Qg5 18. Bd1 c6 19. Ne3 Rd4 20. Bg4 Nf4 21. g3 h5 22. h4) 16. Nd5 Rxd5 17. cxd5 Bxf3?? { (2.19 → 6.07) Blunder. Nf4 was best. } (17... Nf4 18. Kh1 Rc8 19. Ng1 Bd7 20. b5 Bf8 21. g3 Nxe2 22. Qxe2 c6 23. bxc6 bxc6 24. dxc6) 18. dxe6 Bxe2 19. exf7+ Qxf7 20. Qxe2 Qe7 21. Qc4+ Kh7 22. Rac1 c6 23. Qc5 Qh4 24. Qxa7 Qxe4 25. Qxb7 Rd8 26. Qxc6 Qxb4 27. Rb1 Qa3 28. Qc2 Qa5 29. a4 Rd2 30. Qc6 e4 31. Qxe4 Ra2 32. Qb4 Qa7 33. h3 Rxa4 34. Qb6 Qf7 35. Qb3 Qf4 36. g3 Qe4 37. Rfe1 Qd4 38. Re7 Ra6 39. Qf7 Ra2? { (9.15 → Mate in 9) Checkmate is now unavoidable. Ra1 was best. } (39... Ra1 40. Qxg7+) 40. Rbb7? { (Mate in 9 → 9.46) Lost forced checkmate sequence. Qxa2 was best. } (40. Qxa2 h5 41. Qf7 h4 42. Rbb7 Qa1+ 43. Kg2 Qd4 44. Qxg7+ Qxg7 45. Rxg7+ Kh6 46. f4 g5) 40... Ra1+ 41. Kg2 h5?! { (56.63 → Mate in 6) Checkmate is now unavoidable. Rd1 was best. } (41... Rd1 42. Qxg7+) 42. Qxg7+?! { (Mate in 6 → 64.04) Lost forced checkmate sequence. Rb6 was best. } (42. Rb6 Qd5+ 43. Qxd5 Re1 44. Rxe1 Bf6 45. Rxf6 Kh6 46. Qf7 h4 47. Qxg6#) 42... Qxg7 43. Rxg7+ Kh6?! { (68.79 → Mate in 3) Checkmate is now unavoidable. Kh8 was best. } (43... Kh8 44. Rxg6 Ra8 45. Rh6+ Kg8 46. Rxh5 Rc8 47. Rg5+ Kf8 48. Rgg7 Rc6 49. Rgf7+ Kg8 50. Rfc7) 44. Rh7+ Kg5 45. h4+? { (Mate in 5 → 8.52) Lost forced checkmate sequence. Rbf7 was best. } (45. Rbf7 Ra4 46. f4+ Rxf4 47. Rxf4 h4 48. Kf3 hxg3 49. h4#) 45... Kg4? { (8.52 → Mate in 5) Checkmate is now unavoidable. Kf5 was best. } (45... Kf5 46. Rb5+ Ke6 47. Rb6+ Kd5 48. Rg7 Ra8 49. Rgxg6 Kc4 50. Rbc6+ Kb4 51. Rc1 Kb3) 46. f3+? { (Mate in 5 → 8.54) Lost forced checkmate sequence. Rb5 was best. } (46. Rb5 Rg1+ 47. Kxg1 Kh3 48. Rb4 g5 49. hxg5 h4 50. Rbxh4#) 46... Kf5 47. Rbf7+ Ke6 48. Re7+ Kf6? { (8.37 → Mate in 1) Checkmate is now unavoidable. Kd5 was best. } (48... Kd5 49. Rd7+ Kc4 50. Ra7 Re1 51. Rhe7 Rb1 52. Rec7+ Kd4 53. Rd7+ Ke5 54. Rdb7 Rc1 55. Ra5+) 49. Rhf7# { White wins by checkmate. } 1-0