[Event "≤1700 Classical Arena"] [Site "https://lichess.org/z38bMmvl"] [Date "2017.09.02"] [White "nitshe"] [Black "os1107"] [Result "0-1"] [UTCDate "2017.09.02"] [UTCTime "06:28:42"] [WhiteElo "1659"] [BlackElo "1423"] [WhiteRatingDiff "-24"] [BlackRatingDiff "+17"] [Variant "Standard"] [TimeControl "600+0"] [ECO "D90"] [Opening "Grünfeld Defense: Three Knights Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 { D90 Grünfeld Defense: Three Knights Variation } 5. cxd5 Nxd5 6. Nxd5?! { (0.47 → -0.29) Inaccuracy. e4 was best. } (6. e4 Nxc3 7. bxc3 c5 8. Be3 Bg4 9. Rc1 Bxf3 10. gxf3 O-O 11. d5 Nd7 12. Be2 e6) 6... Qxd5 7. e3 c5 8. Qc2 b6 9. Bb5+ Nd7?! { (-0.14 → 0.54) Inaccuracy. Bd7 was best. } (9... Bd7 10. e4 Qb7 11. Bxd7+ Nxd7 12. d5 Qa6 13. h4 Ne5 14. Nxe5 Bxe5 15. Bg5 Bd4 16. Be3) 10. Bc4?! { (0.54 → -0.17) Inaccuracy. e4 was best. } (10. e4) 10... Qc6 11. O-O O-O 12. dxc5? { (0.45 → -0.67) Mistake. e4 was best. } (12. e4 Qc7) 12... Nxc5?! { (-0.67 → -0.12) Inaccuracy. Bb7 was best. } (12... Bb7) 13. Bd3? { (-0.12 → -1.44) Mistake. Nd4 was best. } (13. Nd4 Qf6 14. b4 Ne6 15. Bb2 Nxd4 16. Bxd4 e5 17. Bb2 Be6 18. Qb3 Bxc4 19. Qxc4 Rac8) 13... Bb7 14. Rb1?? { (-1.39 → -4.80) Blunder. Be2 was best. } (14. Be2 Qf6 15. Bd2 Qxb2 16. Qxb2 Bxb2 17. Rab1 Bf6 18. Bb4 Rfc8 19. Rfd1 Rc7 20. Rbc1 Rac8) 14... e5?? { (-4.80 → -1.14) Blunder. Qd6 was best. } (14... Qd6 15. Nd4 Nxd3 16. Qxd3 e5 17. Bd2 exd4 18. exd4 Bxd4 19. Qh3 Rfd8 20. Bg5 Re8 21. Be3) 15. Nd2?? { (-1.14 → Mate in 1) Checkmate is now unavoidable. Be2 was best. } (15. Be2 Qd7 16. Rd1 Be4 17. Qc4 Qf5 18. Ra1 Rac8 19. Qb4 Rfd8 20. Bd2 Bd3 21. Bxd3 Qxd3) 15... Qxg2# { Black wins by checkmate. } 0-1