[Event "Rated classical game"] [Site "https://lichess.org/vjhPy5Xm"] [Date "2016.08.14"] [White "a6najdorf"] [Black "gronwelt"] [Result "0-1"] [UTCDate "2016.08.14"] [UTCTime "12:37:16"] [WhiteElo "1773"] [BlackElo "1297"] [WhiteRatingDiff "-22"] [BlackRatingDiff "+50"] [Variant "Standard"] [TimeControl "1200+90"] [ECO "B00"] [Opening "Pirc Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 d6 { B00 Pirc Defense } 2. g3 c5 3. Bg2 b5 4. Ne2 c4?! { (0.46 → 1.27) Inaccuracy. e5 was best. } (4... e5 5. d4 Nd7 6. dxc5 dxc5 7. Nbc3 Ba6 8. Nd5 Ne7 9. c4 Nxd5 10. exd5 Qb8 11. O-O) 5. c3?! { (1.27 → 0.44) Inaccuracy. O-O was best. } (5. O-O Nc6 6. d4 cxd3 7. cxd3 e5 8. Nbc3 Nf6 9. d4 Be7 10. d5 Na5 11. b4 Nc4) 5... Na6?! { (0.44 → 1.34) Inaccuracy. Nd7 was best. } (5... Nd7 6. Na3 e5 7. b4 Ba6 8. d3 Nb6 9. O-O cxd3 10. Qxd3 Qd7 11. Nc2 Be7 12. f4) 6. d4 cxd3 7. Qxd3 e5?! { (0.27 → 1.29) Inaccuracy. Nc5 was best. } (7... Nc5 8. Qc2 e5 9. b4 Na4 10. Na3 Bd7 11. Qd3 Qb6 12. Be3 Qc6 13. Rc1 Rc8 14. O-O) 8. Qxb5+ Qd7 9. Qxa6?? { (1.23 → -6.30) Blunder. c4 was best. } (9. c4 Qxb5 10. cxb5 Nc5 11. O-O Nf6 12. Bg5 Be7 13. Nbc3 Bb7 14. f3 Nd3 15. b3 d5) 9... Bxa6 10. Be3?! { (-6.31 → -10.22) Inaccuracy. b3 was best. } (10. b3 Bd3 11. Be3 Nf6 12. c4 Bxe4 13. Bxe4 Nxe4 14. Nbc3 Nf6 15. O-O Be7 16. Rad1 O-O) 10... Ne7?! { (-10.22 → -6.21) Inaccuracy. Qb5 was best. } (10... Qb5 11. O-O Qxb2 12. Nd2 Bxe2 13. Rab1 Qxc3 14. Rfe1 Qd3 15. Rxe2 Qxe2 16. Bf1 Qh5 17. Bb5+) 11. Bf3 g6 12. O-O Bg7 13. Rd1 O-O 14. Nc1 Rae8 15. c4 Bxc4 16. Nc3 Qh3 17. Rxd6?? { (-6.23 → Mate in 1) Checkmate is now unavoidable. Nb3 was best. } (17. Nb3 Qd7 18. Bc5 Nc8 19. Na5 Be6 20. Bb4 f5 21. exf5 Qf7 22. Rd2 Bh6 23. Re2 Qxf5) 17... Nc8?? { (Mate in 1 → -4.68) Lost forced checkmate sequence. Qf1# was best. } (17... Qf1#) 18. Rd2?? { (-4.68 → Mate in 1) Checkmate is now unavoidable. Bg2 was best. } (18. Bg2 Qxg2+ 19. Kxg2 Nxd6 20. Bxa7 Rc8 21. Nb3 Nb5 22. Bc5 Rfe8 23. Nxb5 Bxb5 24. Be3 Rc2) 18... Qf1# { Black wins by checkmate. } 0-1