[Event "Casual blitz game"] [Site "https://lichess.org/Mk9XNbSI"] [Date "2022.03.23"] [White "diegokarp1"] [Black "NateShadow"] [Result "0-1"] [UTCDate "2022.03.23"] [UTCTime "18:34:28"] [WhiteElo "2000"] [BlackElo "1986"] [Variant "Standard"] [TimeControl "300+0"] [ECO "B20"] [Opening "Sicilian Defense: Keres Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Ne2 { B20 Sicilian Defense: Keres Variation } d6 3. Nbc3 a6 4. g3 e6 5. Bg2 Nf6 6. d3 Be7 7. h3 O-O 8. f4 Nbd7 9. Be3 Qc7 10. Qd2 Rb8 11. g4 Nb6? { (0.34 → 1.54) Mistake. b5 was best. } (11... b5 12. g5) 12. O-O-O? { (1.54 → 0.20) Mistake. g5 was best. } (12. g5 Ne8 13. a4 Nd7 14. O-O b5 15. axb5 axb5 16. b4 cxb4 17. Na2 d5 18. exd5 Bb7) 12... Nfd7?? { (0.20 → 2.38) Blunder. d5 was best. } (12... d5 13. g5) 13. h4?? { (2.38 → 0.36) Blunder. g5 was best. } (13. g5) 13... Na8? { (0.36 → 1.67) Mistake. d5 was best. } (13... d5 14. exd5 exd5 15. Bxd5 Nf6 16. Be4 Bxg4 17. f5 Bxe2 18. Bf4 Bd6 19. Bxd6 Qxd6 20. Qxe2) 14. g5 b5 15. f5 Nab6? { (1.17 → 2.86) Mistake. b4 was best. } (15... b4 16. Nb1) 16. Rdf1 c4 17. d4? { (2.87 → 1.58) Mistake. f6 was best. } (17. f6 Bd8) 17... b4?! { (1.58 → 2.59) Inaccuracy. exf5 was best. } (17... exf5 18. exf5) 18. Nd1?? { (2.59 → 0.61) Blunder. f6 was best. } (18. f6 Bxf6) 18... c3 19. bxc3?? { (0.49 → -3.08) Blunder. Qd3 was best. } (19. Qd3 a5) 19... bxc3?? { (-3.08 → 0.44) Blunder. Nc4 was best. } (19... Nc4) 20. Qxc3 Nc4 21. Nf2?? { (0.40 → -6.99) Blunder. f6 was best. } (21. f6) 21... d5 22. exd5 Ba3+ 23. Kd1 Rb1+ 24. Bc1 Bb4 25. Qf3?? { (-6.30 → Mate in 1) Checkmate is now unavoidable. Qb3 was best. } (25. Qb3 Rxb3 26. axb3 exf5 27. bxc4 Qxc4 28. h5 a5 29. Nd3 Ba6 30. Rf2 Rc8 31. Nef4 Bd6) 25... Nb2# { Black wins by checkmate. } 0-1