[Event "2023 Spring Marathon"] [Site "https://lichess.org/MIssCSyl"] [Date "2023.04.15"] [White "ShustovSe"] [Black "Aloneking10"] [Result "1-0"] [UTCDate "2023.04.15"] [UTCTime "07:15:48"] [WhiteElo "1903"] [BlackElo "2264"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "120+0"] [ECO "D91"] [Opening "Grünfeld Defense: Three Knights Variation, Petrosian System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 { D91 Grünfeld Defense: Three Knights Variation, Petrosian System } O-O?! { (0.17 → 0.85) Inaccuracy. Ne4 was best. } (5... Ne4 6. Bf4 Nxc3 7. bxc3 dxc4 8. e3 Qd5 9. Bxc7 O-O 10. Be2) 6. e3 Ne4 7. Bf4 c5 8. cxd5 Nxc3 9. bxc3 Qxd5 10. Qc2?! { (0.19 → -0.56) Inaccuracy. Be2 was best. } (10. Be2 cxd4) 10... Nc6?! { (-0.56 → 0.08) Inaccuracy. cxd4 was best. } (10... cxd4 11. exd4) 11. c4?? { (0.08 → -1.89) Blunder. e4 was best. } (11. e4 Qe6 12. d5 Qf6 13. Bd2 Ne5 14. Nxe5 Qxe5 15. f4 Qc7 16. Bc4 e6 17. a4 exd5) 11... Qh5 12. d5?? { (-1.33 → -3.86) Blunder. Rd1 was best. } (12. Rd1 cxd4) 12... Bxa1? { (-3.86 → -2.26) Mistake. Nb4 was best. } (12... Nb4 13. Qc1 Bxa1 14. a3 a5 15. Be2 Qf5 16. O-O Bg7 17. axb4 axb4 18. Qd2 Bc3 19. Qd1) 13. dxc6 Bf5? { (-2.24 → -0.80) Mistake. bxc6 was best. } (13... bxc6) 14. Qc1 bxc6?? { (-0.83 → 1.95) Blunder. Bg7 was best. } (14... Bg7 15. Be2 bxc6 16. Ng5 Bg4 17. f3 Bc8 18. h4 Bf6 19. Ne4 Qf5 20. g4 Qd7 21. Kf2) 15. Qxa1 f6 16. Be2 e5? { (2.73 → 4.83) Mistake. Bg4 was best. } (16... Bg4 17. h3 e5 18. Bh2 Bxf3 19. Bxf3 Qf5 20. O-O Qd7 21. g4 Rab8 22. Bg3 Qe6 23. g5) 17. Nxe5 Qh4 18. Nf3 Qg4 19. O-O Rad8 20. Re1?! { (5.48 → 3.99) Inaccuracy. h3 was best. } (20. h3 Qh5 21. Nd4 Bxh3 22. Bxh5 cxd4 23. Bf3 g5 24. Bg3 Be6 25. exd4 Bxc4 26. d5 Rxd5) 20... Be4 21. h3 Qd7 22. Qb2 Rfe8?! { (3.50 → 4.99) Inaccuracy. g5 was best. } (22... g5 23. Bg3 a5 24. h4 h6 25. a4 Qe7 26. Nd2 Bg6 27. Qc3 f5 28. hxg5 hxg5 29. f4) 23. Qxf6 Bxf3 24. Bxf3 Qd2 25. Rf1 Rf8 26. Qe6+ Kh8?? { (6.34 → Mate in 2) Checkmate is now unavoidable. Rf7 was best. } (26... Rf7 27. Bxc6 Qd3 28. Bd5 Qf5 29. Qxf5 gxf5 30. Rb1 Kf8 31. Bxf7 Kxf7 32. f3 Rd2 33. Rb5) 27. Be5+ { Black resigns. } 1-0