[Event "RANEPA Chess Arena"] [Site "https://lichess.org/WuONy95x"] [Date "2022.09.20"] [White "Sayapin_L_Che_branch"] [Black "Siverin_Anton_DV"] [Result "0-1"] [UTCDate "2022.09.20"] [UTCTime "09:29:24"] [WhiteElo "1242"] [BlackElo "1818"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+20"] [Variant "Standard"] [TimeControl "600+5"] [ECO "B20"] [Opening "Sicilian Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 { B20 Sicilian Defense } 2. d3 d6 3. Nf3 Nc6 4. Ng5?! { (0.00 → -0.64) Inaccuracy. Be2 was best. } (4. Be2 e5 5. O-O Be7 6. c4 f5 7. exf5 Bxf5 8. Nc3 Nf6) 4... e5 5. Qf3?! { (-0.63 → -1.36) Inaccuracy. g3 was best. } (5. g3 g6 6. Bg2 Nge7 7. O-O Bg7 8. c4 O-O 9. Nc3 a6) 5... Qf6? { (-1.36 → -0.20) Mistake. f6 was best. } (5... f6 6. Nh3) 6. Nc3 Nd4 7. Qd1 h6 8. Nd5 Qd8 9. Nf3 Nf6 10. Nxd4 cxd4 11. Qf3? { (0.15 → -1.16) Mistake. Nxf6+ was best. } (11. Nxf6+ Qxf6 12. Be2 Be7 13. c3 dxc3 14. bxc3 O-O 15. O-O Be6 16. Rb1 Bd8 17. Rxb7 Bb6) 11... Nxd5 12. exd5 Qa5+ 13. Bd2 Qc7?! { (-0.85 → -0.10) Inaccuracy. Qb6 was best. } (13... Qb6 14. c4) 14. O-O-O? { (-0.10 → -1.29) Mistake. c4 was best. } (14. c4) 14... a5? { (-1.29 → 0.00) Mistake. h5 was best. } (14... h5) 15. a3?? { (0.00 → -2.02) Blunder. g4 was best. } (15. g4 g6 16. Qg3 Bg7 17. f4 h5 18. gxh5 Rxh5 19. Kb1 Bf5 20. Bg2 O-O-O 21. h4 Kb8) 15... b5 16. Kb1 Bd7 17. Rc1 Qb6?! { (-2.38 → -1.65) Inaccuracy. b4 was best. } (17... b4 18. g4 g6 19. b3 bxa3 20. Qf6 Rh7 21. Qf3 h5 22. g5 f5 23. gxf6 Bh6 24. Qe2) 18. c3?! { (-1.65 → -2.76) Inaccuracy. b3 was best. } (18. b3) 18... dxc3 19. Bxc3?? { (-2.86 → -6.62) Blunder. Be3 was best. } (19. Be3 Qb7) 19... b4 20. a4?! { (-5.84 → -8.90) Inaccuracy. Be1 was best. } (20. Be1 bxa3 21. Rc2 Rb8 22. d4 Qxd4 23. b3 Be7 24. Ka2 O-O 25. Bc3 Qb6 26. Bc4 Rfc8) 20... bxc3 21. Rxc3 Bxa4 22. d4 Qxd4?! { (-9.23 → -6.29) Inaccuracy. Rb8 was best. } (22... Rb8 23. Qe2 Be7 24. dxe5 O-O 25. f4 Rfd8 26. Ra3 Qb4 27. Rxa4 Qxa4 28. Qc2 Qxc2+ 29. Kxc2) 23. Bc4?! { (-6.29 → -8.74) Inaccuracy. Bd3 was best. } (23. Bd3 Rb8 24. Rhc1 Bd7 25. Bf5 Bxf5+ 26. Qxf5 Be7 27. Rc8+ Rxc8 28. Qxc8+ Bd8 29. Qc6+ Ke7) 23... Be7 24. Bb3 Rb8 25. Bxa4+ Qxa4 26. Qe2 O-O 27. Rhc1 Qb5 28. R1c2 Qxd5 29. Rc7 Bf6 30. R7c3 e4 31. Rd2 Qe6 32. Rcc2 Rb7 33. Qa6 Rfb8 34. Qe2 a4 35. Kc1 a3 36. bxa3?! { (-14.78 → Mate in 1) Checkmate is now unavoidable. Qa6 was best. } (36. Qa6 Bxb2+ 37. Kd1 Qg4+ 38. Re2 Qxg2 39. Kd2 Qg5+ 40. Re3 Bc3+ 41. Kxc3 Qd5 42. Qxb7 Rxb7) 36... Rb1# { Black wins by checkmate. } 0-1