[Event "GM Konstantin Sakaev School 1 Arena"] [Site "https://lichess.org/TuB0h6Pd"] [Date "2020.08.01"] [White "Chessmatus"] [Black "ZhenkaZheleznii"] [Result "1-0"] [UTCDate "2020.08.01"] [UTCTime "09:23:22"] [WhiteElo "2171"] [BlackElo "2198"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-6"] [WhiteTitle "FM"] [Variant "Standard"] [TimeControl "420+3"] [ECO "B90"] [Opening "Sicilian Defense: Najdorf Variation, English Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 { B90 Sicilian Defense: Najdorf Variation, English Attack } e5 7. Nb3 Be6 8. f3 Be7 9. Qd2 O-O 10. O-O-O Nbd7 11. g4 b5 12. g5 Nh5 13. Kb1 Rc8?! { (0.34 → 0.99) Inaccuracy. Nb6 was best. } (13... Nb6) 14. Nd5 Bxd5 15. exd5 Nb6 16. Na5 Nc4?! { (0.79 → 1.79) Inaccuracy. Qc7 was best. } (16... Qc7) 17. Bxc4 bxc4 18. Nc6 Qd7 19. Qb4 Rxc6 20. dxc6 Qxc6 21. Rhf1 Re8 22. Qb6 Qc8 23. h4?! { (1.87 → 1.09) Inaccuracy. Bc1 was best. } (23. Bc1) 23... Ng3 24. Rfe1 Nf5 25. Bf2 Bd8 26. Qb4 a5?? { (0.64 → 3.23) Blunder. Qc6 was best. } (26... Qc6 27. Rf1 g6 28. b3 d5 29. Qc5 Qxc5 30. Bxc5 Nxh4 31. Rxd5 cxb3 32. axb3 Bxg5 33. Rd6) 27. Qa4 Rf8 28. Re4 Qb7 29. Qxc4 Bb6?? { (3.24 → 7.14) Blunder. Bc7 was best. } (29... Bc7 30. Qb3) 30. Bxb6? { (7.14 → 3.74) Mistake. Qb5 was best. } (30. Qb5) 30... Qxb6 31. Qd3 g6 32. f4 Rb8 33. b3 exf4 34. Rxf4 Qc5 35. h5 Rb4? { (4.20 → 6.83) Mistake. Ng7 was best. } (35... Ng7) 36. Rdf1?! { (6.83 → 4.60) Inaccuracy. Rxb4 was best. } (36. Rxb4) 36... Rxf4 37. Rxf4 Qc7? { (4.12 → 9.06) Mistake. Qg1+ was best. } (37... Qg1+ 38. Kb2 Qxg5 39. Ra4 Ng3 40. h6 Nf5 41. Rxa5 Qd8 42. Rxf5 gxf5 43. Qd4 Qf8 44. Qf6) 38. hxg6 hxg6 39. Rc4 Qe7 40. Qc3 Ng7 41. Rc8+ Kh7 42. Qxa5 Qd7 43. Qc3 Qe7 44. a4 Qxg5 45. a5 Qg1+ 46. Kb2 Qa7 47. Rc7 Qf2 48. a6 Ne6 49. Rb7 Nc5?! { (19.02 → Mate in 14) Checkmate is now unavoidable. Qg2 was best. } (49... Qg2 50. Rb8) 50. a7 Nxb7 51. a8=Q Nc5?! { (75.15 → Mate in 1) Checkmate is now unavoidable. Kh6 was best. } (51... Kh6 52. Qxb7) 52. Qah8# { White wins by checkmate. } 1-0