[Event "2023 Spring Marathon"] [Site "https://lichess.org/iJPSOdtG"] [Date "2023.04.15"] [White "pawn_34na"] [Black "matveis"] [Result "1-0"] [UTCDate "2023.04.15"] [UTCTime "12:57:01"] [WhiteElo "1829"] [BlackElo "2401"] [WhiteRatingDiff "+12"] [BlackRatingDiff "-11"] [Variant "Standard"] [TimeControl "120+0"] [ECO "E81"] [Opening "King's Indian Defense: Steiner Attack"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 O-O 5. f3?! { (0.35 → -0.51) Inaccuracy. e4 was best. } (5. e4 d6 6. h3 c5 7. d5 e6 8. Nf3 exd5 9. cxd5 Re8) 5... d6?! { (-0.51 → 0.50) Inaccuracy. d5 was best. } (5... d5 6. e3 c5 7. dxc5 Qa5 8. Qa4 Qxc5 9. Qb5 Qxb5 10. Nxb5) 6. e4 { E81 King's Indian Defense: Steiner Attack } Nc6 7. Be3 a6 8. Bd3 Na5 9. Nge2 b5?! { (0.42 → 1.34) Inaccuracy. Nd7 was best. } (9... Nd7 10. O-O c5 11. dxc5 Nxc5 12. b3 Nc6 13. Rc1 a5 14. Nd5 e6 15. Ndc3 a4 16. Nb5) 10. cxb5 axb5 11. Nxb5 Ba6 12. a4 c6 13. b4 cxb5 14. bxa5?? { (1.72 → -0.23) Blunder. axb5 was best. } (14. axb5 Bxb5 15. Bxb5 Qb6 16. bxa5 Qxb5 17. Qa4 Qa6 18. Kf2 Rfb8 19. Rab1 h5 20. Rhc1 Rxb1) 14... bxa4 15. Bxa6? { (0.00 → -1.24) Mistake. Rxa4 was best. } (15. Rxa4 Bxd3 16. Qxd3 Rxa5 17. Rxa5 Qxa5+ 18. Kf2 Rb8 19. Qc2 h5 20. Rc1 Ne8 21. Rb1 Rxb1) 15... Rxa6?? { (-1.24 → 1.23) Blunder. Qxa5+ was best. } (15... Qxa5+ 16. Kf2) 16. O-O?? { (1.23 → -1.53) Blunder. Qxa4 was best. } (16. Qxa4) 16... Rxa5? { (-1.53 → 0.00) Mistake. Qxa5 was best. } (16... Qxa5 17. Qd3 Rfa8 18. Nc3 Qd8 19. Ra2 Nd7 20. Rfa1 Nb6 21. Qb5 Ra5 22. Qb4 d5 23. exd5) 17. Rxa4 Rxa4 18. Qxa4 Nd7 19. Bg5 h6 20. Bh4 g5 21. Bg3 Nf6 22. e5 Nh5 23. exd6 Nxg3 24. Nxg3 exd6 25. Nf5 Qf6 26. Qb5 d5?! { (0.20 → 1.21) Inaccuracy. Qe6 was best. } (26... Qe6 27. Qd3 Rb8 28. f4 Rb3 29. Qc2 Rb4 30. fxg5 Bxd4+ 31. Nxd4 Rxd4 32. Qf2 Rd5 33. gxh6) 27. Qxd5 Rd8 28. Ne7+?? { (1.28 → -4.85) Blunder. Qe4 was best. } (28. Qe4 Bf8 29. Rb1 Qe6 30. Re1 Qf6 31. h3 Rb8 32. Qd5 Rd8 33. Qe5 Qxe5 34. Rxe5 Bg7) 28... Qxe7 29. Qxf7+?? { (-5.07 → Mate in 8) Checkmate is now unavoidable. Qxd8+ was best. } { White wins on time. } (29. Qxd8+ Qxd8 30. Rd1 Qxd4+ 31. Rxd4 Bxd4+ 32. Kf1 Kg7 33. Ke2 Kf6 34. g3 Kf5 35. Kf1 g4) 1-0