[Event "2023 Summer Marathon"] [Site "https://lichess.org/1nKbX8Qo"] [Date "2023.08.05"] [White "BlunderPandaZz"] [Black "Bubeliang"] [Result "0-1"] [UTCDate "2023.08.05"] [UTCTime "10:11:09"] [WhiteElo "2934"] [BlackElo "2872"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+6"] [WhiteTitle "GM"] [BlackTitle "FM"] [Variant "Standard"] [TimeControl "60+0"] [ECO "A05"] [Opening "Zukertort Opening: Nimzo-Larsen Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nf6 2. b3 { A05 Zukertort Opening: Nimzo-Larsen Variation } g6 3. Bb2 Bg7 4. e3 O-O 5. d4 d5 6. Nbd2 c5 7. c4?! { (0.25 → -0.33) Inaccuracy. dxc5 was best. } (7. dxc5 Qa5 8. a3 Qxc5 9. c4 dxc4 10. Bxc4 Qd6 11. O-O Be6) 7... cxd4 8. Bxd4 Nc6 9. Bb2 e6 10. cxd5 Nxd5 11. Bxg7 Kxg7 12. Rc1 Qe7 13. Bb5 Rd8 14. Bxc6 bxc6 15. O-O Ba6 16. Re1 Nb4 17. Rc3 Qf6?! { (-0.52 → 0.25) Inaccuracy. Nd3 was best. } (17... Nd3 18. Rf1) 18. Qa1 Rd3?? { (0.22 → 4.94) Blunder. Bd3 was best. } (18... Bd3 19. Rec1 Nc2 20. Qb2 Nb4 21. Ne1 Rd7 22. Qa3 a5 23. h3 g5 24. Ndf3 h5 25. Rc5) 19. Rxd3?? { (4.94 → 0.00) Blunder. Ne4 was best. } (19. Ne4 Qf5 20. Rc4+ f6 21. Rxb4 c5 22. Ra4 Bb5 23. Nh4 Qe5 24. Qxe5 fxe5 25. Ra5 Bc6) 19... Nxd3 20. Qxf6+ Kxf6 21. Rd1 c5 22. Ne1 Nxe1 23. Rxe1 Rc8 24. Rc1 Ke7 25. f3 f5 26. Kf2 Kd6 27. e4 Ke5 28. g3 Kd4 29. Rd1 Kc3 30. Ke3?? { (-0.27 → -2.52) Blunder. Nc4 was best. } (30. Nc4) 30... Kc2 31. Rg1 Rd8 32. Rg2?? { (-2.45 → -5.30) Blunder. Nc4 was best. } (32. Nc4 Bxc4) 32... Rd3+ 33. Kf4 Rxd2 34. Rxd2+ Kxd2 35. Ke5 fxe4 36. fxe4 Bd3 37. Kxe6 Bxe4 38. Kd6 Bb1 39. Kxc5 Bxa2 40. b4 a6 41. b5 axb5 42. Kxb5 Ke2 43. Kc5 Kf2 44. h4 Kg2 45. h5? { (-7.91 → Mate in 56) Checkmate is now unavoidable. g4 was best. } (45. g4 g5 46. h5 Kf3 47. Kd4 Bb1 48. Kc4 Kxg4 49. Kc3 Kf4 50. Kb2 Bf5 51. Kc3 Kf3) 45... Kxg3 46. hxg6 hxg6 47. Kd4 g5 48. Ke3 g4 49. Ke2 Bc4+ 50. Ke1? { (-8.39 → Mate in 10) Checkmate is now unavoidable. Ke3 was best. } (50. Ke3 Bb5 51. Ke4 Kf2 52. Kf4 g3 53. Kg4 Be2+ 54. Kf4 Bd3 55. Kg4 Bb1 56. Kf4 g2) 50... Kf3 51. Kd2 g3 52. Kc3 g2 53. Kd4 g1=Q+ 54. Kc3 Qe3+ 55. Kb4 Bb5 56. Ka5 Ba6 57. Kb4 Qd4+ 58. Ka5 Qc5+ 59. Ka4 Qb5+ 60. Ka3 Ke3 61. Ka2 Kd3 62. Ka3 Kc2 63. Ka2 Qa5# { Black wins by checkmate. } 0-1