[Event "2018 Autumn Marathon"] [Site "https://lichess.org/cOKYOlzB"] [Date "2018.10.06"] [White "papasi"] [Black "blitzkibitz"] [Result "0-1"] [UTCDate "2018.10.06"] [UTCTime "08:10:31"] [WhiteElo "2450"] [BlackElo "1517"] [WhiteRatingDiff "-22"] [BlackRatingDiff "+24"] [WhiteTitle "FM"] [Variant "Standard"] [TimeControl "300+0"] [ECO "A42"] [Opening "Modern Defense: Kotov Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 Nc6 { A42 Modern Defense: Kotov Variation } 5. Nge2 e5 6. Be3 Nh6 7. f3 f5 8. Qd2 Nf7 9. exf5 gxf5 10. O-O-O O-O 11. Kb1? { (1.21 → -0.25) Mistake. f4 was best. } (11. f4 exd4 12. Nxd4 Re8 13. Kb1 Bd7 14. Bf2 a5 15. Be2 a4 16. Bh5 a3 17. b3 Nb4) 11... Re8?? { (-0.25 → 1.50) Blunder. f4 was best. } (11... f4 12. Bf2 Bf5+ 13. Ka1 Nb4 14. a3 a5 15. h4 Nc2+ 16. Ka2 c6 17. dxe5 Nxe5 18. Nd4) 12. dxe5 dxe5 13. Nd5?! { (1.41 → 0.78) Inaccuracy. Qc1 was best. } (13. Qc1 Nd4 14. f4 Be6 15. Nb5 c5 16. fxe5 Nxe2 17. Bxe2 Qb6 18. Nd6 Red8 19. Nxf7 Kxf7) 13... f4 14. Bf2 Bf5+ 15. Ka1 Nd6 16. Nec3? { (1.26 → 0.08) Mistake. c5 was best. } (16. c5 Nf7 17. Qc1 Bh6 18. h4 Be6 19. Nec3 Nd4 20. Bxd4 exd4 21. Nxf4 c6 22. g4 Qa5) 16... Nd4 17. Bd3?! { (0.24 → -0.59) Inaccuracy. c5 was best. } (17. c5 Nc2+) 17... Bxd3?? { (-0.59 → 1.48) Blunder. c6 was best. } (17... c6 18. c5 cxd5 19. cxd6 Bxd3 20. Qxd3 Qxd6 21. g3 Qc6 22. Rhe1 fxg3 23. hxg3 Qg6 24. Qxg6) 18. Qxd3 c6 19. Nxf4 Qa5 20. Nh5 Bh8?! { (1.73 → 2.61) Inaccuracy. e4 was best. } (20... e4 21. fxe4 Nb3+ 22. Kb1 Qxh5 23. Qxd6 Na5 24. Qb4 Qf7 25. Qxa5 Qxf2 26. Rhf1 Qh4 27. Rd7) 21. Kb1 Rad8 22. Ne4 b5?? { (2.62 → 7.26) Blunder. Nxe4 was best. } (22... Nxe4 23. fxe4 Rd6 24. Rhf1 Qc5 25. Bxd4 exd4 26. Rf5 Be5 27. g4 b5 28. cxb5 Qxb5 29. Qd2) 23. cxb5?! { (7.26 → 4.49) Inaccuracy. Nef6+ was best. } (23. Nef6+ Bxf6 24. Nxf6+ Kg7 25. f4 N6f5 26. Nxe8+ Rxe8 27. c5 Qb4 28. fxe5 Rxe5 29. g4 Re2) 23... N6xb5?! { (4.49 → 6.05) Inaccuracy. Nxe4 was best. } (23... Nxe4 24. fxe4 Rd6 25. Bxd4 exd4 26. Qg3+ Rg6 27. Qb3+ Rge6 28. Nf4 Qxb5 29. Qg3+ Bg7 30. Nxe6) 24. Nef6+ Bxf6?! { (5.06 → 6.64) Inaccuracy. Kf8 was best. } (24... Kf8 25. Nxh7+ Ke7 26. Bh4+ Kd6 27. N5f6 Kc7 28. Nxe8+ Rxe8 29. Nf6 Bxf6 30. Bxf6 Re6 31. Bg5) 25. Nxf6+ Kf7 26. Nxe8 Kxe8 27. Qxh7?? { (7.07 → Mate in 4) Checkmate is now unavoidable. Rhe1 was best. } (27. Rhe1 Ne6) 27... Nc3+ 28. bxc3 Rb8+ 29. Kc1 Qa3+ 30. Kd2 Qb2+ 31. Kd3 Qe2# { Black wins by checkmate. } 0-1