[Event "GM Konstantin Sakaev School"] [Site "https://lichess.org/RFRhyeGv"] [Date "2020.09.19"] [White "Chorusferam2"] [Black "Chessmatus"] [Result "1/2-1/2"] [UTCDate "2020.09.19"] [UTCTime "14:54:28"] [WhiteElo "2227"] [BlackElo "2311"] [WhiteRatingDiff "+2"] [BlackRatingDiff "-2"] [BlackTitle "FM"] [Variant "Standard"] [TimeControl "180+2"] [ECO "B54"] [Opening "Sicilian Defense: Prins Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 { B54 Sicilian Defense: Prins Variation } e5 6. Nb3 Be6 7. c4 Nbd7 8. Nc3 Rc8 9. Be3 Bxc4 10. Bxc4 Rxc4 11. Bxa7? { (0.04 → -1.53) Mistake. Nd2 was best. } (11. Nd2 Rc6 12. Bxa7 Nb6 13. O-O d5 14. exd5 Nfxd5 15. Nxd5 Bc5+ 16. Kh1 Qxd5 17. Nb3 Be7) 11... b6 12. Qd3 Rc6?! { (-0.69 → -0.03) Inaccuracy. Qc7 was best. } (12... Qc7) 13. a4? { (-0.03 → -1.37) Mistake. O-O was best. } (13. O-O) 13... Qa8 14. Nb5 d5 15. O-O dxe4 16. fxe4 Nc5 17. Nxc5 Bxc5+ 18. Kh1 O-O 19. Rac1?! { (-1.81 → -2.87) Inaccuracy. a5 was best. } (19. a5 Ng4) 19... Rd8?! { (-2.87 → -1.60) Inaccuracy. Ng4 was best. } (19... Ng4 20. Rxc5 bxc5 21. Qe2 Nf6 22. Qc4 Qb7 23. Kg1 Rfc8 24. Re1 Ra8 25. Bxc5 Nd7 26. Nd6) 20. Qf3 Re6?! { (-1.50 → -0.68) Inaccuracy. Qb7 was best. } (20... Qb7 21. h3) 21. b4?? { (-0.68 → -2.67) Blunder. a5 was best. } (21. a5 Qxe4) 21... Bxb4 22. Qb3? { (-2.46 → -4.27) Mistake. Rc4 was best. } (22. Rc4) 22... Bc5?! { (-4.27 → -2.88) Inaccuracy. Qxe4 was best. } (22... Qxe4 23. Nc7 Red6 24. Qf3 Qh4 25. Nb5 Rd3 26. Qf2 Qxf2 27. Rxf2 Nd5 28. Rfc2 Bc5 29. Re2) 23. a5 Qxe4 24. Nc7? { (-2.54 → -4.32) Mistake. axb6 was best. } (24. axb6 Bxb6 25. Nc7 Rd2 26. Qh3 Bxc7 27. Rxc7 Re8 28. Rc8 Qb7 29. Rxe8+ Nxe8 30. Bc5 h6) 24... Rd2 25. Qf3?! { (-3.98 → -5.30) Inaccuracy. Qh3 was best. } (25. Qh3 Rd3) 25... Qxf3 26. Rxf3 Red6?! { (-4.94 → -3.14) Inaccuracy. Rc6 was best. } (26... Rc6 27. Na6) 27. Rff1?? { (-3.14 → -8.84) Blunder. Nb5 was best. } (27. Nb5 Rd1+) 27... h5?? { (-8.84 → -3.04) Blunder. Ne4 was best. } (27... Ne4 28. Ne6 Rxe6 29. Rc4 Nf2+ 30. Kg1 Ng4+ 31. Rxc5 bxc5 32. Re1 f6 33. h3 Nf2 34. Rb1) 28. Nb5 Re6 29. Nc7 Red6 30. Nb5 Re6? { (-2.80 → -0.97) Mistake. Rd7 was best. } (30... Rd7) 31. Nc7 Red6?! { (-1.02 → 0.00) Inaccuracy. Rc6 was best. } { The game is a draw. } (31... Rc6 32. axb6 Rb2 33. Na6 Ne4 34. b7 Rxa6 35. b8=Q+ Rxb8 36. Bxb8 Bd4 37. g3 Nf2+ 38. Rxf2) 1/2-1/2