[Event "2022 Summer Marathon"] [Site "https://lichess.org/6P27cKXc"] [Date "2022.08.05"] [White "xiaochess"] [Black "Zhigalko_Sergei"] [Result "1-0"] [UTCDate "2022.08.05"] [UTCTime "12:50:02"] [WhiteElo "2784"] [BlackElo "3014"] [WhiteRatingDiff "+9"] [BlackRatingDiff "-9"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "60+0"] [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 a5 13. Bd3 O-O 14. O-O Bg5 15. g3 Ne7 16. Nce3 Bxe3 17. Nxe3 Be6 18. f4 f6 19. f5 Bf7 20. g4 Nc6 21. h4 Qb6 22. Qd2 h6?! { (0.31 → 1.03) Inaccuracy. a4 was best. } (22... a4) 23. g5 fxg5 24. hxg5 hxg5?! { (0.77 → 1.81) Inaccuracy. Nd4 was best. } (24... Nd4) 25. Kg2 Nd4? { (1.72 → 3.21) Mistake. Qd4 was best. } (25... Qd4 26. Rh1 b3 27. a3 Be8 28. Rad1 Ne7 29. c5 d5 30. Rh3 Rc8 31. Qe2 Rxc5 32. Rdh1) 26. Rh1 b3 27. Ng4 Qd8?! { (2.72 → 4.04) Inaccuracy. Ne6 was best. } (27... Ne6) 28. f6?? { (4.04 → -1.55) Blunder. Kg3 was best. } (28. Kg3 Be6 29. Qh2 Kf7 30. Qh7 Ke7 31. Qxg7+ Rf7 32. Qg6 Qf8 33. c5 bxa2 34. Rxa2 a4) 28... gxf6?! { (-1.55 → -0.67) Inaccuracy. Ne6 was best. } (28... Ne6) 29. Rh6 Kg7 30. Rah1 Bg6 31. Qe3?? { (-0.25 → -3.98) Blunder. Ne3 was best. } (31. Ne3 bxa2) 31... Ne6 32. Qg3? { (-3.69 → -6.31) Mistake. axb3 was best. } (32. axb3 Nf4+) 32... Nf4+ 33. Kf1?! { (-6.16 → -12.00) Inaccuracy. Kf3 was best. } (33. Kf3 bxa2 34. Bc2 a1=Q 35. Rxa1 Qb6 36. Rhh1 Rh8 37. Ne3 Bh5+ 38. Kf2 Rab8 39. Rab1 Qd4) 33... bxa2 34. Kf2 Qb6+ 35. Kf3 Qb3 36. Nf2 Nxd3 37. Qh2?! { (-17.87 → Mate in 13) Checkmate is now unavoidable. Rxg6+ was best. } (37. Rxg6+ Kxg6 38. Nxd3 Qxd3+ 39. Kg2 Qe2+ 40. Qf2 Qg4+ 41. Qg3 Qxe4+ 42. Qf3 Qxf3+ 43. Kxf3 Rfb8) 37... Nf4+?! { (Mate in 13 → -19.75) Lost forced checkmate sequence. Nxf2+ was best. } (37... Nxf2+ 38. Kxf2 Qxb2+ 39. Kf3 Qc3+ 40. Ke2 Qc2+ 41. Ke3 Qxe4+ 42. Kf2 Qd4+ 43. Ke2 Bd3+ 44. Kf3) 38. Kg4 f5+ 39. exf5 Bxf5+ 40. Kxg5 Ne6+ 41. Rxe6?! { (-21.99 → Mate in 4) Checkmate is now unavoidable. Kh4 was best. } (41. Kh4 Kxh6 42. Qg3 Qxb2 43. Qf3 a1=Q 44. Kg3+ Qxh1 45. Ng4+ Kg7 46. Qxh1 Qc3+ 47. Qf3 Qe1+) 41... Bxe6?? { (Mate in 4 → Mate in 1) Lost forced checkmate sequence. Qe3+ was best. } (41... Qe3+ 42. Qf4 Qxf4+ 43. Kh5 Rh8+ 44. Rh6 Rxh6#) 42. Qh7# { White wins by checkmate. } 1-0