[Event "Rated classical game"] [Site "https://lichess.org/GjS2w5Ic"] [Date "2019.11.12"] [White "niksitnikow2015"] [Black "QEDemonstrandum"] [Result "1-0"] [UTCDate "2019.11.12"] [UTCTime "19:26:58"] [WhiteElo "1968"] [BlackElo "2013"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-8"] [Variant "Standard"] [TimeControl "900+15"] [ECO "D45"] [Opening "Semi-Slav Defense: Main Line"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Nf3 { D45 Semi-Slav Defense: Main Line } Bd6 6. Bd3 dxc4 7. Bxc4 b5 8. Be2 Bb7 9. O-O O-O 10. a3 a6?! { (0.41 → 1.03) Inaccuracy. a5 was best. } (10... a5 11. e4) 11. b4?! { (1.03 → 0.20) Inaccuracy. e4 was best. } (11. e4) 11... Nbd7 12. Bb2 a5 13. Qc2?! { (0.07 → -0.77) Inaccuracy. bxa5 was best. } (13. bxa5 Qe7 14. Qd2 e5 15. e4 Bc7 16. Rad1 Bxa5 17. Qc2 Bb6 18. dxe5 Ng4 19. Nd4 Ndxe5) 13... Qe7 14. bxa5 Rxa5 15. a4?! { (-0.27 → -1.02) Inaccuracy. e4 was best. } (15. e4 e5) 15... bxa4? { (-1.02 → 0.33) Mistake. b4 was best. } (15... b4 16. Nb1 c5 17. Nbd2 cxd4 18. Bxd4 e5 19. Bb2 Rc8 20. Qb1 Bd5 21. e4 Bb7 22. Bb5) 16. Rxa4 Rfa8?! { (0.00 → 0.71) Inaccuracy. Rxa4 was best. } (16... Rxa4 17. Nxa4 Rc8 18. Qb3 Rb8 19. Qc2) 17. Rfa1?! { (0.71 → 0.09) Inaccuracy. Rxa5 was best. } (17. Rxa5 Rxa5) 17... Qd8 18. h3 c5 19. dxc5 Nxc5 20. Rxa5 Rxa5 21. Rxa5 Qxa5 22. Nb5 Be7 23. Nbd4 h6 24. Ne5 Qe1+ 25. Bf1 Ba6 26. Nc4 Nce4 27. Nf3 Qxf2+?? { (0.14 → 2.82) Blunder. Qb4 was best. } (27... Qb4 28. Nfe5 Bxc4 29. Nxc4 Qe1 30. Bxf6 Nxf6 31. Ne5 Qa5 32. Nc6 Qc5 33. Nxe7+ Qxe7 34. Qc4) 28. Qxf2 Nxf2 29. Kxf2 Ne4+ 30. Kg1 Bh4?? { (2.73 → 8.35) Blunder. Bb4 was best. } (30... Bb4 31. Nce5) 31. Nxh4 { Black resigns. } 1-0