[Event "Rated classical game"] [Site "https://lichess.org/cb3YkVRF"] [Date "2021.12.15"] [White "QEDemonstrandum"] [Black "jessehf"] [Result "1/2-1/2"] [UTCDate "2021.12.15"] [UTCTime "22:00:40"] [WhiteElo "2151"] [BlackElo "2263"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-3"] [Variant "Standard"] [TimeControl "2700+45"] [ECO "B33"] [Opening "Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 { B33 Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation } Be7 10. Bxf6 Bxf6 11. c4 b4 12. Nc2 O-O 13. Qf3 Bg5 14. h4 Bh6 15. g4 f6 16. Be2 a5 17. a3 Be6?! { (-0.34 → 0.33) Inaccuracy. bxa3 was best. } (17... bxa3) 18. Rd1?! { (0.33 → -0.45) Inaccuracy. axb4 was best. } (18. axb4 Bxd5 19. exd5 Nxb4 20. Nxb4 axb4 21. O-O Rxa1 22. Rxa1 Qc8 23. Ra7 Bf4 24. Bd3 g6) 18... Ne7? { (-0.45 → 0.66) Mistake. bxa3 was best. } (18... bxa3 19. Qxa3 Rb8 20. b3 Kh8 21. Kf1 Qc8 22. Rg1 Bf4 23. Nxf4 exf4 24. f3 a4 25. Qxa4) 19. axb4 Bxd5 20. exd5 axb4 21. Nxb4 Qa5?! { (0.07 → 0.64) Inaccuracy. e4 was best. } (21... e4 22. Qxe4) 22. Qc3 Rfb8?! { (1.27 → 1.90) Inaccuracy. Rfc8 was best. } (22... Rfc8 23. Nc6) 23. Nc6 Qxc3+?! { (1.67 → 2.51) Inaccuracy. Nxc6 was best. } (23... Nxc6) 24. bxc3 Rb7 25. Nxe7+?! { (2.78 → 2.06) Inaccuracy. c5 was best. } (25. c5) 25... Rxe7 26. c5 dxc5 27. d6 Rea7 28. d7 Rd8 29. Bb5 Kf8?! { (1.77 → 2.43) Inaccuracy. Kf7 was best. } (29... Kf7 30. O-O) 30. c4 Ra2 31. Rd5 Ra1+ 32. Rd1 Ra2 33. Rd5?? { (1.85 → 0.00) Blunder. g5 was best. } (33. g5 fxg5) 33... Ra1+ 34. Rd1 Ra2 { The game is a draw. } 1/2-1/2