[Event "Princess Festival Alexandra's Kosteniuk simul"] [Site "https://lichess.org/Tt3Nx1Z9"] [Date "2023.09.16"] [White "chessqueen"] [Black "YuanShwang"] [Result "1-0"] [UTCDate "2023.09.16"] [UTCTime "15:07:46"] [WhiteElo "2500"] [BlackElo "1362"] [WhiteTitle "GM"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "B33"] [Opening "Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 c5 2. e4 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 O-O 12. cxb5 axb5?! { (0.61 → 1.19) Inaccuracy. Nd4 was best. } (12... Nd4) 13. Nxb5 Qa5+ 14. Nbc3 Ba6?? { (0.96 → 3.28) Blunder. Rb8 was best. } (14... Rb8) 15. Nxf6+?? { (3.28 → 1.31) Blunder. Bxa6 was best. } (15. Bxa6 Rxa6 16. O-O Bd8 17. a3 Ra8 18. b4 Qa7 19. a4 Rb8 20. b5 Nd4 21. Ne2 Ne6) 15... gxf6 16. h4 Nd4 17. Rh3 Bxf1?? { (0.66 → 3.23) Blunder. f5 was best. } (17... f5 18. exf5 Kh8 19. Bxa6 Qxa6 20. Ne2 Nxf5 21. Qc2 Ne7 22. Rb3 Qa4 23. Nc3 Qxh4 24. O-O-O) 18. Kxf1? { (3.23 → 1.55) Mistake. Qh5 was best. } (18. Qh5 Kh8 19. Qh6 Qd8 20. Rg3 Rg8 21. Rxg8+ Kxg8 22. Kxf1 Qf8 23. Qxf6 h6 24. Nd5 Re8) 18... Rab8?? { (1.55 → 4.01) Blunder. Kh8 was best. } (18... Kh8) 19. b3?? { (4.01 → 1.57) Blunder. Qd2 was best. } (19. Qd2 Kh8 20. Qh6 Rg8 21. Qxf6+ Rg7 22. Rg3 Rg8 23. h5 Qd8 24. Qxd8 Rxd8 25. Rxg7 Kxg7) 19... Rbc8?! { (1.57 → 2.43) Inaccuracy. f5 was best. } (19... f5 20. Ne2 Qa6 21. exf5 Nxf5 22. Qd2 f6 23. Rc1 Rf7 24. Rhc3 Ne7 25. Kg1 d5 26. Rc7) 20. Nd5 Qb5+? { (2.00 → 3.44) Mistake. Kh8 was best. } (20... Kh8 21. Rd3 f5 22. Ne7 Rcd8 23. Nxf5 Nxf5 24. exf5 d5 25. Qe1 Qc7 26. Rc1 Qd6 27. g3) 21. Kg1 Ne2+?! { (3.43 → 4.92) Inaccuracy. Kh8 was best. } (21... Kh8 22. a4) 22. Kh2 Kg7 23. Re3 Nf4 24. Qg4+ Kh8 25. Qf5 Nxd5 26. exd5 Rg8 27. Qxf6+ Rg7 28. Rg3 Rg8 29. h5 Qe2 30. h6 Qh5+ 31. Rh3?? { (Mate in 13 → 6.60) Lost forced checkmate sequence. Kg1 was best. } (31. Kg1 Qxh6 32. Qxh6 Rg6 33. Rxg6 Rxg6 34. Qf8+ Rg8 35. Qxf7 Rc8 36. Qf5 Kg7 37. Qxc8 Kg6) 31... Qg5 32. hxg7+ Rxg7 33. Qxg5 Rxg5 34. a4 Rf5 35. a5 e4 36. a6 Re5 37. a7 Re8 38. b4 Ra8 39. b5 f5?! { (12.76 → Mate in 8) Checkmate is now unavoidable. Kg7 was best. } (39... Kg7 40. b6 Kf6 41. b7 Re8 42. a8=Q Rxa8 43. Rxa8 Ke5 44. Ra5 f5 45. Rxh7 Kd4 46. Rf7) 40. b6 f4 41. b7 Re8 42. b8=Q Rxb8 43. axb8=Q+ Kg7 44. Ra7+ Kg6 45. Qg8+ Kf5 46. Qe6+ Kg5 47. Rg7# { White wins by checkmate. } 1-0