[Event "FIDE Women's Candidates Chess Tournament"] [Site "Toronto"] [Date "2024.04.07"] [Round "4"] [White "Lagno, Kateryna"] [Black "Tan, Zhongyi"] [Result "1/2-1/2"] [WhiteElo "2542"] [BlackElo "2521"] [Annotator "WGM Gulrukhbegim Tokhirjonova"] [Variant "Standard"] [ECO "B92"] [Opening "Sicilian Defense: Najdorf Variation, Opocensky Variation"] [StudyName "2024 FIDE Candidates and Women's Candidates Annotations"] [ChapterName "Lagno, Kateryna - Tan, Zhongyi"] [ChapterURL "https://lichess.org/study/Mez4h4WA/2GbHo9xd"] [Orientation "white"] { Annotations by WGM Gulrukhbegim Tokhirjonova. } 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. O-O O-O 10. Re1 Nbd7 11. a4 b6 12. h3 Qc7 13. Qd3 Rfc8 14. Rec1 Qb7 15. Bf3 Rc7 16. Nd2 Nc5 17. Qe2 h6 18. b4 Ncd7 19. Qd3 Rac8 20. Ra3 Bc4 21. Nxc4 Rxc4 22. Rb3 Qc7 23. Bd2 d5 24. Nxd5 Nxd5 25. exd5 Nf6 26. Qf1 Qd7 27. c3 Qxa4 28. Rbb1 Qa2 29. Rd1 R4c7 30. Ra1 Qc2 31. Be3 (31. Qxa6 { is crushing! } 31... e4 32. Bg4 Nxg4 33. hxg4 Qb3 34. Be3 Rxc3 35. d6 $18) 31... Rd7 32. Rdc1 Qb2 33. Rab1 (33. Bd1! { is very strong } 33... Nxd5 34. Rcb1 Qxc3 35. Rc1 $18) 33... Qa3 34. Ra1 Qb2 35. Qd3 e4? 36. Bxe4 Nxe4 37. Qxe4 Rxc3 38. Rxc3 Qxa1+ 39. Rc1 Qf6 40. Rc6 Qa1+ 41. Kh2 Bf8 42. Rxb6 Rd8 43. Bf4 Qa2 44. d6 a5 45. Ra6 Qxf2 46. bxa5 g5 47. Bg3 Qf6 48. Qd5 h5 49. Qf3 Qg6 50. Ra8 Rxa8 51. Qxa8 h4 52. Be5? { A huge blunder by Lagno, who was winning the whole game! } (52. Bf2!! Qxd6+ 53. Kh1 Kg7 54. Qa7 $18) 52... Qe6! 53. Qe4 Bxd6 54. Qa8+ Kh7 55. Bxd6 Qxd6+ 56. Kh1 Qd1+ { 1/2-1/2 The game is a draw. } 1/2-1/2