[Event "FIDE Grand Swiss 2023"] [Site "Douglas"] [Date "2023.10.29"] [Round "5.1"] [White "Tan, Zhongyi"] [Black "Assaubayeva, Bibisara"] [Result "0-1"] [WhiteElo "2517"] [BlackElo "2469"] [Annotator "Lang,JJ"] [Variant "Standard"] [ECO "E92"] [Opening "King's Indian Defense: Petrosian Variation, Stein Defense"] [Source "https://lichess.org/study/uDXLUcuQ/lYl4BFAD"] [Orientation "white"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 a5 8. h3 Nh5 9. Ng1 Nf6 10. Be3 Na6 11. Nf3 Bd7 12. Nd2 Nc5 13. g4 Ne8 14. h4 c6 15. g5 f5 16. Bxc5 dxc5 17. Qc2 a4 18. a3 Nd6 19. f3 cxd5 20. Nxd5 Bc6 21. Qd3 Ne8 22. O-O-O Nc7 23. h5 Ne6 24. exf5 gxf5 25. h6 Bh8 26. Rhg1 Nd4 27. g6 hxg6 28. Rxg6+ Kh7 29. Rdg1 Bxd5 30. cxd5 Qxd5 { A sharp King's Indian saw White crash through on the g-file only for Black to shrug it off, and now it is genuinely unclear whose king is safer. That said, White has no obvious way to repel Black's forces on the queenside, whereas Black is about to play ...Rf8-g8 and neutralize White's "attack" on the spot. } 31. Kb1? { Given the above considerations, it was necessary to play } (31. Qe3! { with the point that } 31... Rg8 32. Bc4! { forces an imbalanced position with } 32... Rxg6 33. Rxg6! (33. Bxd5?? Rxg1+ 34. Qxg1 Ne2+ $19) 33... Nb3+ (33... Kxg6?? 34. Bxd5 $18) 34. Bxb3 axb3 35. Qg1 $15) 31... Rg8! 32. Rxg8 Rxg8 33. Rc1 Rg3 { with a powerful attack: } 34. Nf1 e4! 35. Qd1 Rg1 36. fxe4 fxe4 37. Bc4 Qf5?! 38. Ka1?? (38. Qxa4 e3+ 39. Ka2 e2 40. Qa8 Qe5 { keeps things complicated, to put it mildly: } 41. Ne3 Rxc1 42. Qg8+ Kxh6 43. Ng4+ Kh5 44. Nxe5 Ra1+ 45. Kxa1 e1=Q+ 46. Ka2 Qxe5 $16) 38... b5! 39. Ba2 c4 40. Qe1 Nc2+ { 0-1 Black wins. } 0-1