[Event "2021 Spring Marathon"] [Site "https://lichess.org/coZXUEoP"] [Date "2021.04.10"] [White "Kredn"] [Black "GlenGratz"] [Result "0-1"] [UTCDate "2021.04.10"] [UTCTime "17:03:36"] [WhiteElo "2541"] [BlackElo "2045"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+11"] [WhiteTitle "FM"] [BlackTitle "CM"] [Variant "Standard"] [TimeControl "300+0"] [ECO "A07"] [Opening "King's Indian Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 d5 2. g3 { A07 King's Indian Attack } d4?! { (0.16 → 0.90) Inaccuracy. c6 was best. } (2... c6 3. Bg2 Bg4 4. h3 Bxf3 5. Bxf3 e5 6. d3 Bc5 7. a4) 3. Bg2 c5 4. O-O Nc6 5. c3 e5 6. cxd4 exd4 7. d3 Nf6 8. Bg5 Be7 9. Nbd2 O-O 10. Rc1 Qb6 11. Qb3 Be6 12. Qxb6 axb6 13. a3 h6 14. Bf4?? { (-0.14 → -3.35) Blunder. Bxf6 was best. } (14. Bxf6) 14... b5? { (-3.35 → -1.70) Mistake. g5 was best. } (14... g5) 15. h4 Rfc8 16. Ne5 Bd5?! { (-1.29 → -0.39) Inaccuracy. Nxe5 was best. } (16... Nxe5 17. Bxe5 Nd5 18. Rfe1 Rd8 19. Bf3 Ra6 20. Kg2 b4 21. axb4 f6 22. b5 Raa8 23. Bf4) 17. Nxc6 Rxc6 18. Nf3 Nh5 19. Bd2 Nf6 20. e4 dxe3 21. fxe3?! { (-0.34 → -1.07) Inaccuracy. Bxe3 was best. } (21. Bxe3) 21... b4? { (-1.07 → 0.29) Mistake. Rd8 was best. } (21... Rd8) 22. e4?! { (0.29 → -0.48) Inaccuracy. axb4 was best. } (22. axb4 cxb4 23. Nd4 Rcc8 24. Rxc8+ Rxc8 25. Bh3 Re8 26. Rc1 b6 27. Rc8 Rxc8 28. Bxc8 Bc5) 22... Be6 23. Ne5 bxa3?! { (-0.42 → 0.32) Inaccuracy. Rd6 was best. } (23... Rd6 24. axb4) 24. Nxc6 bxc6 25. bxa3 Rxa3 26. Rc3 Ra2 27. Be3 Ng4 28. Bf2?? { (0.07 → -4.19) Blunder. Bxc5 was best. } (28. Bxc5 Bxc5+ 29. Rxc5 Ne3 30. Bf3 Nxf1 31. Kxf1 Bd7 32. e5 Kf8 33. Bxc6 Bxc6 34. Rxc6 Ke7) 28... Bf6 29. Rcc1?! { (-4.24 → -6.01) Inaccuracy. e5 was best. } (29. e5 Bxe5 30. Rxc5 Bf6 31. Rcc1 Nxf2 32. Rxf2 Bd4 33. Rf1 Bf5 34. Bxc6 Bxd3 35. Bd5 Rd2) 29... Nxf2 30. Rxf2 Bd4 31. Rf1 c4 32. dxc4 Bxc4 33. Kh2 Bxf2 34. Rc1 Bb5 35. e5 Ra3 36. g4 Bg3+ 37. Kh1 Bxe5 38. Bxc6 Bxc6+ 39. Rxc6 Bg3 40. Kg2 Bxh4 41. Rc8+ Kh7 42. Rc7 Kg6 43. Rc6+ f6 44. Rc7 Rg3+ 45. Kh2 Rxg4 46. Rc8 Re4 47. Kh3 Bg5 48. Rb8 Re3+ 49. Kh2?! { (-11.03 → Mate in 10) Checkmate is now unavoidable. Kg2 was best. } (49. Kg2 h5) 49... f5?! { (Mate in 10 → -13.96) Lost forced checkmate sequence. Bf4+ was best. } (49... Bf4+ 50. Kg1 Bxb8 51. Kf2 Rg3 52. Kf1 h5 53. Ke1 h4 54. Ke2 h3 55. Kf2 h2 56. Ke2) 50. Kg2 f4 51. Rb7 Bf6 52. Rb6 Kg5 53. Rb7?! { (-24.73 → Mate in 23) Checkmate is now unavoidable. Rb1 was best. } (53. Rb1 Kg4) 53... Kg4 54. Rb5 Re2+ 55. Kf1 f3 56. Rb3 Kg3 57. Rb5 Bc3 58. Rc5 Re1# { Black wins by checkmate. } 0-1