[Event "U.S. Junior Chess Championships 2024"] [Site "St. Louis"] [Date "2024.07.24"] [Round "8"] [White "Su, Jasmine Zhixin"] [Black "Atwell, Rose"] [Result "1/2-1/2"] [WhiteElo "2051"] [BlackElo "2277"] [Annotator "IM Robert Shylakhtenko"] [Variant "Standard"] [ECO "B32"] [Opening "Sicilian Defense: Kalashnikov Variation"] [StudyName "2024 National Championships (Junior/Girls' Junior/Senior) Rds 7-9"] [ChapterName "Su, Jasmine Zhixin - Atwell, Rose"] [ChapterURL "https://lichess.org/study/kt4PLoQ4/0TTTkL1d"] [Orientation "white"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be7 8. Nc4 b5 9. Ne3 Nf6 10. Bd3 O-O 11. O-O Nb4 12. a4 Nxd3 13. Qxd3 b4 14. Ncd5 Nxd5 15. Nxd5 a5 16. Rd1 Be6 17. Be3 Bxd5 18. Qxd5 Qc7 19. Rac1 Rfc8 20. c4 b3 21. Rd3 Rab8 22. Bd2 Qc6 23. Qxc6 Rxc6 24. f3 Bd8 25. Kf1 Kf8 26. Ke2 Rbc8 27. Rxb3 Rxc4 28. Rxc4 Rxc4 29. Rb8 Ke7 30. b3 Rc5 31. Kd3 d5 32. b4 Rc4 33. Bc3 axb4 34. Bxe5 f6 35. exd5 Rc5 36. Rb7+ Ke8 37. Bd4 Rxd5 38. Rxb4 Bc7 39. h3 Rg5 40. g4 h5 41. Rb5 Rxb5 42. axb5 hxg4 43. fxg4 Kd7 44. h4 Ke6 45. h5 Kd5 46. Bxf6?? { Violating a key endgame principle: do not rush! White could have improved her position a lot more before going for this sacrifice. } (46. b6! Bd6 (46... Bb8 47. b7 Kc6 48. Bxf6) 47. b7 { Now, with the pawn on b7, the bishop sacrifice is a real and unstoppable threat. } 47... Kc6 (47... Ke6 48. Ke4 { does not help. White wins by transferring the bishop to f4. }) 48. Bxf6! gxf6 49. h6 { and Black's bishop cannot stop both pawns. }) 46... gxf6 47. h6 f5! 48. h7 (48. gxf5! { would have forced Black to find a study-like defense, based on mutual zugzwang. } 48... Bf4!! { The only holding move. } (48... Be5 49. Ke3! Kc5 50. Ke4 Bh8 51. h7!! { turns out to be a zugzwang position. The key point is that after } 51... Bf6 52. b6! Kc6 53. b7! Kxb7 54. Kd5 { White will win a tempo on the bishop. }) 49. h7 Be5 50. Ke3 Kc5 51. Ke4 Bh8 { We have the same position as in the above line, but with Black's bishop on h8, not f6. Now after } 52. b6 Kxb6 53. Kd5 Kc7 54. Ke6 Kd8 55. f6 (55. Kf7 Kd7 56. Kg8 Ke8! { also draws. }) 55... Ke8! { Black is just in time. }) 48... Be5 49. gxf5 Kc5 50. Ke4 Bh8! { Reaching the same position as in the above analysis. Now Black makes a draw. } (50... Bf6? { would allow White to gain time by attacking the bishop once the king invades. }) 51. b6 Kxb6 52. Kd5 Kc7 53. Ke6 Kd8 54. Kf7 Kd7 55. Kg8 Ke8 56. Kxh8 Kf8 57. f6 Kf7 { 1/2-1/2 The game is a draw. } 1/2-1/2