[Event "Rated classical game"] [Site "https://lichess.org/u6sWRgAJ"] [Date "2021.02.08"] [White "Sturgeon2015"] [Black "LDiazS"] [Result "0-1"] [UTCDate "2021.02.08"] [UTCTime "00:32:27"] [WhiteElo "1970"] [BlackElo "1812"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+29"] [Variant "Standard"] [TimeControl "1500+0"] [ECO "D02"] [Opening "Queen's Pawn Game: London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 d5 3. Bf4 { D02 Queen's Pawn Game: London System } g6 4. e3 Bg7 5. Nbd2 O-O 6. Bd3?! { (0.33 → -0.29) Inaccuracy. h3 was best. } (6. h3 b6 7. c3 c5 8. Be2 Nc6 9. Qb3 c4 10. Qa4 Qe8) 6... Nbd7?! { (-0.29 → 0.44) Inaccuracy. c5 was best. } (6... c5 7. h3 Qb6 8. Rb1 cxd4 9. exd4 Nh5 10. Be3 Qc7 11. O-O) 7. c3?! { (0.44 → -0.21) Inaccuracy. h3 was best. } (7. h3 b6 8. c3 Bb7 9. Qc2 c5 10. O-O Rc8 11. a4 c4) 7... c5?! { (-0.21 → 0.36) Inaccuracy. Nh5 was best. } (7... Nh5 8. Bg5 Qe8 9. O-O e5 10. dxe5 Nxe5 11. Nxe5 Qxe5 12. Bh4) 8. Ne5?! { (0.36 → -0.62) Inaccuracy. h3 was best. } (8. h3 b6 9. O-O Bb7 10. Qb1 a6 11. a4 e6 12. b4 c4) 8... Nh5 9. Nxd7 Nxf4 10. Nxf8?? { (-0.98 → -5.82) Blunder. exf4 was best. } (10. exf4) 10... Nxd3+ 11. Kf1 Kxf8 12. dxc5 Nxb2 13. Qb3 Nd3 14. Rd1 Nxc5 15. Qb4 Nd3 16. Qa3 Bf5 17. Nf3 Qc7 18. Ke2 Qc4 19. Nd4 Bxd4 20. cxd4?! { (-17.48 → Mate in 4) Checkmate is now unavoidable. Rd2 was best. } (20. Rd2 Bc5 21. Qa5 b6 22. Qxc5 Nxc5+ 23. Kd1 Ne4 24. f3 Nxd2 25. e4 dxe4 26. Kxd2 Qxa2+) 20... Nc1+ 21. Kd2 Qc2+ 22. Ke1 Qe2# { Black wins by checkmate. } 0-1