[Event "Нас 7000 Arena"] [Site "https://lichess.org/GwBdsEFd"] [Date "2023.05.17"] [White "Lebedevms"] [Black "R_Ov"] [Result "0-1"] [UTCDate "2023.05.17"] [UTCTime "16:46:12"] [WhiteElo "2291"] [BlackElo "2571"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+4"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "180+2"] [ECO "A46"] [Opening "Indian Defense: London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 e6 3. Bf4 { A46 Indian Defense: London System } b6 4. e3 Bb7 5. Nbd2 Be7 6. Be2 O-O 7. Rg1?! { (0.21 → -0.66) Inaccuracy. h3 was best. } (7. h3 c5 8. O-O d5 9. c3 Bd6 10. Re1 Nc6 11. Bxd6 Qxd6) 7... c5 8. g4 cxd4 9. Nxd4 d6 10. g5 Nfd7 11. Nb5 e5 12. Bg3 a6 13. Na3? { (-0.77 → -1.95) Mistake. Nc3 was best. } (13. Nc3 b5 14. Bf3 Nc6 15. Bh4 Rc8 16. Nde4 Na5 17. Nf6+ Nxf6 18. Bxb7 Nxb7 19. gxf6 Bxf6) 13... b5 14. c3?! { (-2.05 → -2.78) Inaccuracy. h4 was best. } (14. h4 Nc5 15. Nab1 Nbd7 16. Bf3 e4 17. Bg2 f5 18. Nc3 Ne5 19. Nb3 Nc4 20. Rb1 d5) 14... Bxg5?! { (-2.78 → -1.86) Inaccuracy. Nc5 was best. } (14... Nc5 15. f4) 15. Bf3 Ra7 16. Bxb7 Rxb7 17. Ne4 Be7 18. Nxd6 Rb6 19. Nf5 Bxa3?? { (-1.37 → 1.66) Blunder. g6 was best. } (19... g6 20. Qg4 Bxa3 21. bxa3 Kh8 22. Rd1 Qc7 23. Ne7 Qxc3+ 24. Kf1 Qc4+ 25. Qxc4 bxc4 26. Rc1) 20. bxa3?? { (1.66 → -1.18) Blunder. Bh4 was best. } (20. Bh4 g5 21. Rxg5+ Kh8 22. bxa3 Qc7 23. Rc1 Rg6 24. Ne7 Rxg5 25. Bxg5 f6 26. Bh6 Re8) 20... Rg6 21. Qf3 Re8 22. O-O-O? { (-1.27 → -2.63) Mistake. Rd1 was best. } (22. Rd1 Qc7) 22... Qc7 23. e4 Nb6 24. h4?! { (-2.30 → -3.31) Inaccuracy. Bh4 was best. } (24. Bh4 Na4) 24... Nc4? { (-3.31 → -1.66) Mistake. h5 was best. } (24... h5 25. Bh2 Na4 26. Rd3 Nd7 27. Rg5 Nf8 28. Kd2 Qc5 29. Ke1 Qxa3 30. Rxh5 Nb2 31. Rd5) 25. h5 Qc5 26. hxg6?? { (-1.61 → -7.70) Blunder. Rd5 was best. } (26. Rd5) 26... Qxa3+ 27. Kc2 Qb2+ 28. Kd3 Rd8+ 29. Nd4 hxg6 30. Qe2? { (-8.42 → Mate in 6) Checkmate is now unavoidable. Qe3 was best. } (30. Qe3 exd4) 30... Rxd4+ 31. cxd4 Qxd4+ 32. Kc2 Qb2+ 33. Kd3 Qa3+ 34. Kc2 Qxa2+ 35. Kc1 Qa1+ 36. Kc2 Qb2+ 37. Kd3 Qb3# { Black wins by checkmate. } 0-1