[Event "US Women's National Open 2023"] [Site "Las Vegas"] [Date "2023.06.15"] [Round "5.1"] [White "Zijun Zhou"] [Black "Saikhanchimeg Tsogtsaikhan"] [Result "1-0"] [Annotator "Lang,JJ"] [Variant "Standard"] [ECO "B23"] [Opening "Sicilian Defense: Closed, Traditional"] [Source "https://lichess.org/study/nvFfMnzT/PZdoyoRW"] [Orientation "white"] 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 a6 6. a4 Qc7 7. d3 Nf6 8. O-O Be7 9. f4 d6 10. Kh1 Rb8 $146 { Black has played a standard set-up against White's thematic Closed Sicilian, but her king is staying in the center for an uncomfortably long time considering the dynamics that could still emerge. } 11. Nxd4 cxd4 12. Ne2 e5?! (12... Nxe4 13. dxe4 Qxc4 14. Nxd4 e5 { would be a nice way to trade off some of White's pieces while achieving a structure that should be comfortable, as the d6-pawn is not a true vulnerability. }) 13. Bb3 { White misses a nice tactical shot with } (13. fxe5 dxe5 14. Nxd4 exd4 15. Bf4 { picking up the rook. }) 13... Bd7 14. Qe1 (14. c3! { With Black's king still in the center, playing to rip things open is more thematic. } 14... dxc3 15. Nxc3 O-O 16. f5 { and only now, White can switch gears to the kingside. }) 14... h5 15. fxe5 dxe5 16. Qg3 Bg4 17. Ng1 h4 18. Qf2 Qc8 19. Nf3 Bxf3 20. Qxf3 b6 21. Bg5 Rb7 22. Rac1 (22. h3 { would shut down any attempt at counterplay. }) 22... h3 23. g3 O-O? { Just when the center was starting to stabalize! } 24. Bxf6 Bxf6 25. Qh5 b5 26. axb5 Rxb5 27. g4 (27. Bc4 { was more precise, preventing Black from even thinking about an Exchange sac. }) 27... Qd8 (27... Rxb3 { was necessary. }) 28. g5 Rxb3 29. gxf6 Rb6 30. fxg7 Kxg7 31. Qxe5+ { and White is winning. } 31... Kh7 32. Qf5+ Rg6 33. Qxh3+ Kg7 34. Qf5 Qc7 35. Qf4 Qe7 36. Rg1 Rh8 37. Rcf1 Rh4 38. Rxg6+ fxg6 39. Qf2 Rh5 40. Qxd4+ Kh7 41. Qf6 Qxf6 42. Rxf6 Ra5 43. Kg2 Kg7 44. Rb6 Ra1 45. d4 Re1 46. Kf3 Rf1+ 47. Ke2 Rc1 48. Kd3 Rd1+ 49. Kc3 a5 50. Ra6 Rh1 51. Rxa5 Rxh2 52. Rg5 Rh3+ 53. Kc4 Rh2 54. c3 Rxb2 55. e5 Re2 56. Kd5 Ra2 57. c4 Ra8 58. c5 Rd8+ 59. Kc4 Kh6 60. Rg1 g5 61. c6 Kg6 62. Kc5 Rc8 63. d5 Kf5 64. d6 Kxe5 65. d7 Ra8 66. c7 { 1-0 White wins. } 1-0