[Event "2015 Autumn Marathon"] [Site "https://lichess.org/aw3EE932"] [Date "2015.10.24"] [White "knives"] [Black "Rochade_Augsburg"] [Result "1-0"] [UTCDate "2015.10.24"] [UTCTime "11:24:00"] [WhiteElo "1821"] [BlackElo "2180"] [WhiteRatingDiff "+21"] [BlackRatingDiff "-31"] [BlackTitle "LM"] [Variant "Standard"] [TimeControl "180+0"] [ECO "D91"] [Opening "Grünfeld Defense: Three Knights Variation, Petrosian System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. Bg5 { D91 Grünfeld Defense: Three Knights Variation, Petrosian System } Ne4 6. Bh4 Nxc3 7. bxc3 c5 8. e3 cxd4 9. cxd4 Bg4 10. Be2 dxc4 11. Qa4+ Nd7 12. Qxc4 Bxf3 13. Bxf3 Qa5+ 14. Kf1 Nb6 15. Qc2?! { (0.51 → -0.08) Inaccuracy. Qe2 was best. } (15. Qe2 Rc8 16. g4 Nd5 17. a4 a6 18. Qb2 O-O 19. Bg3 b6 20. h4 e6 21. h5 Rc4 22. Kg2 Rxa4 23. g5 gxh5) 15... Qb5+?! { (-0.08 → 0.50) Inaccuracy. Rc8 was best. } (15... Rc8 16. Qd3 Rc3 17. Qd1 Nc4 18. Kg1 Nd6 19. Bg3 O-O 20. Rb1 b6 21. h4 h5 22. Bf4 Nc4 23. a4 e5) 16. Qe2 Qd7 17. g4 O-O 18. Kg2 e5 19. dxe5 Bxe5 20. Rad1 Qc7 21. Bg3 Bxg3 22. hxg3 Rfd8 23. Rc1 Qe7 24. Qb2 Rac8?? { (1.08 → Mate in 8) Checkmate is now unavoidable. Na4 was best. } (24... Na4 25. Qxb7 Qxb7 26. Bxb7 Rab8 27. Bf3 Nb2 28. Rc7 Nd3 29. Rxa7 Rb2 30. Rf1 Ne5 31. g5 Nc4 32. Rc1 Nxe3+ 33. Kg1 Nf5 34. Rcc7) 25. Rxh7 Rd4 26. Qxd4 f6 27. Rxc8+?! { (Mate in 5 → 53.03) Lost forced checkmate sequence. Rxe7 was best. } (27. Rxe7 Rf8 28. Qd5+ Nxd5 29. Bxd5+ Rf7 30. Rxf7 f5 31. Rc8#) 27... Nxc8?! { (53.03 → Mate in 7) Checkmate is now unavoidable. Kxh7 was best. } (27... Kxh7 28. Rb8 Qg7 29. Rxb7 Qxb7 30. Bxb7 f5 31. gxf5 g5 32. Qf6 Kg8 33. Qxg5+ Kf7 34. Qd8 Kg7 35. Bd5 Nxd5 36. Qxd5 a6 37. Qb7+) 28. Rxe7 Nxe7 29. Qxf6 Nc6 30. Qxg6+ Kf8 31. Bxc6 bxc6 32. Qxc6 Ke7 33. Kf3 Kf7 34. Kf4 Ke7 35. Ke5 { Black resigns. } 1-0