[Event "2021 Summer Marathon"] [Site "https://lichess.org/eAuCGdMn"] [Date "2021.08.07"] [White "colt076"] [Black "BIZOO"] [Result "0-1"] [UTCDate "2021.08.07"] [UTCTime "23:57:56"] [WhiteElo "2506"] [BlackElo "2837"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+2"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "60+0"] [ECO "A31"] [Opening "English Opening: Symmetrical Variation, Anti-Benoni Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 c5 3. c4 { A31 English Opening: Symmetrical Variation, Anti-Benoni Variation } cxd4 4. Nc3?? { (0.29 → -6.09) Blunder. Nxd4 was best. } (4. Nxd4 e6 5. e3 Bc5 6. Be2 O-O 7. O-O Nc6 8. Nc3 d5) 4... Nc6?? { (-6.09 → 0.15) Blunder. dxc3 was best. } (4... dxc3 5. e3 cxb2 6. Bxb2 Na6 7. Be2 e6 8. O-O Be7 9. Rc1) 5. Nxd4 Qb6 6. Ndb5 a6 7. Be3?! { (0.53 → -0.24) Inaccuracy. Na4 was best. } (7. Na4 Qd8 8. Nbc3 b5 9. cxb5 axb5 10. Nxb5 d5 11. e3 Bg4) 7... Qd8 8. Nd4 e6 9. Nxc6 { White offers draw } 9... bxc6 10. Qc2 d5 11. cxd5 cxd5 12. Bd4?! { (-0.37 → -1.17) Inaccuracy. Bf4 was best. } (12. Bf4 Bd6 13. Bxd6 Qxd6 14. e3 O-O 15. Be2 Rd8 16. O-O e5 17. Rfd1 Be6 18. Rd2 a5) 12... Bd7?! { (-1.17 → -0.41) Inaccuracy. Bd6 was best. } (12... Bd6 13. Bxf6 Qxf6 14. g3 h5 15. h4 Rb8 16. Bg2 O-O 17. Qd2 a5 18. O-O Ba6 19. Rfd1) 13. e3 Be7 14. Bd3 O-O 15. Bxf6 Bxf6 16. Bxh7+ Kh8 17. Bd3 Rc8 18. O-O g6?! { (-0.01 → 0.83) Inaccuracy. a5 was best. } (18... a5 19. Rfc1) 19. Rac1?! { (0.83 → -0.14) Inaccuracy. Bxa6 was best. } (19. Bxa6 Rc5 20. Qd2 Kg7 21. Rfc1 d4 22. Ne4 dxe3 23. Qxe3 Re5 24. Qd4 Rxe4 25. Qxe4 Bxb2) 19... Kg7?! { (-0.14 → 0.41) Inaccuracy. a5 was best. } (19... a5 20. Qe2 a4 21. a3 Kg7 22. Bb5 Bxb5 23. Qxb5 Rb8 24. Qa6 Rxb2 25. Nxa4 Ra2 26. Nc5) 20. Qe2 Rh8 21. h3 Qc7?? { (0.00 → 4.07) Blunder. a5 was best. } (21... a5 22. Bb5 Rh4 23. Bxd7 Qxd7 24. Qd2 Qb7 25. b3 Qb4 26. Nb1 Rhh8 27. Rfd1 Rhd8 28. g4) 22. Nxd5?? { (4.07 → 0.61) Blunder. Bxa6 was best. } (22. Bxa6) 22... Qe5?? { (0.61 → 4.11) Blunder. Qxc1 was best. } (22... Qxc1 23. Nxf6 Qc7 24. Nxd7 Rcd8 25. Nf6 Kxf6 26. Bxa6 Rd6 27. b4 Qc3 28. b5 Rhd8 29. Bb7) 23. Rxc8 Rxc8?! { (3.85 → 5.60) Inaccuracy. Bxc8 was best. } (23... Bxc8 24. Nxf6) 24. Nxf6 Qxf6 25. b3? { (5.42 → 3.08) Mistake. Bxa6 was best. } (25. Bxa6 Ra8 26. b3 Qg5 27. Bb7 Ra7 28. Bf3 e5 29. Kh1 Bf5 30. Bd5 Rc7 31. e4 Bxh3) 25... Bc6? { (3.08 → 5.29) Mistake. a5 was best. } (25... a5 26. Rd1 Be8 27. Ba6 Rc7 28. Qd2 a4 29. Bc4 Rd7 30. Qe1 Ra7 31. b4 Rc7 32. Rd4) 26. Bc4? { (5.29 → 3.10) Mistake. Bxa6 was best. } (26. Bxa6 Ra8) 26... a5 27. f4 a4 28. e4? { (2.55 → 0.89) Mistake. Rd1 was best. } (28. Rd1 Qc3) 28... Qd4+ 29. Qf2 Qxe4?! { (0.89 → 2.00) Inaccuracy. Qxf2+ was best. } (29... Qxf2+) 30. Be2?? { (2.00 → 0.19) Blunder. f5 was best. } (30. f5 axb3) 30... axb3 31. axb3 Qb4 32. Bf3 Bb5 33. Re1 Qxb3 34. Qe3 { White offers draw } 34... Rc3 35. Qe5+ Kg8 36. Qf6 Rxf3 37. gxf3 Qxf3 38. Qd8+ Kh7 39. Qh4+ Kg7 40. Qf2 Qc3 41. Qe3 Qc4 42. Qe5+ Kg8 43. Qb8+ Kh7 44. Qe5 Bc6 45. Qe3 Qd5 46. Kh2?? { (0.00 → Mate in 1) Checkmate is now unavoidable. Qg3 was best. } (46. Qg3 Kg8 47. Kf2 Qd2+ 48. Re2 Qd5) 46... Qg2# { Black wins by checkmate. } 0-1