[Event "Chennai Women's Chess Olympiad"] [Site "chess24.com"] [Date "2022.08.02"] [Round "5.1"] [White "Tokhirjonova, Gulrukhbegim"] [Black "Cori T., Deysi"] [Result "1-0"] [WhiteElo "2329"] [WhiteTeam "United States"] [BlackElo "2371"] [BlackTeam "Peru"] [Annotator "John Watson"] [Variant "Standard"] [ECO "A15"] [Opening "English Opening: Anglo-Indian Defense, King's Knight Variation"] [Source "https://lichess.org/study/cS8lSqW7/anhNyDNU"] [Orientation "white"] 1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. e3 Bd6 5. Bb2 O-O 6. Be2 Nbd7 7. Nc3 a6 8. O-O Qe7 9. d4 b6 10. cxd5 exd5 11. Rc1 Bb7 12. Qc2 Rfe8 13. h3 Rac8 14. Rfd1 g6!? (14... Ne4 { is a little impatient, in view of } 15. Nxe4 dxe4 16. Ne5!) 15. Bd3 Ne4 16. Qe2 b5 17. Bb1!? { It's hard to find a good plan. } (17. Nb1 { (with the idea Nb1-d2) } 17... c5 18. dxc5 Ndxc5 19. Nbd2 { is balanced. }) 17... f6 (17... f5 $15) 18. Ne1 Ng5 (18... f5!) 19. Nd3 Qe6 20. Qg4!? Qf7? (20... Qxg4 21. hxg4 c6 $14) 21. Nf4?! (21. Nc5!) 21... Nf8 22. h4?! h5! { The move that White was trying to provoke, but it works out tactically for Black. } 23. Qg3 Nge6 24. Bxg6 (24. Qf3 Nxf4 25. exf4 f5 $17 { is rather depressing for White. }) 24... Nxg6 25. Qxg6+ Qxg6 26. Nxg6 Kf7 27. Nf4 Nxf4 28. exf4 Bxf4 { Black has won the pawn back and has a nice game with her two bishops. } 29. Rc2 c5!? (29... Bd6! { prevents Ba3 and keeps the advantage. }) 30. g3? { Both very weakening and losing a valuable tempo. } (30. Ne2! { was fine: } 30... Bd6 31. dxc5 Rxc5 32. Rdc1 Rxc2 33. Rxc2 { is equal, with White's better pawn structure balanced by Black's bishops. }) 30... Bd6? (30... Bh6! 31. dxc5? { but } (31. Ne2 c4! { is terrific for Black with the queenside pawns advancing }) 31... d4 32. Ne2 (32. Rxd4 Re1+) (32. Nb1 Bf3 33. Rf1 d3 $19) 32... Be4 33. Nxd4 Bxc2 34. Nxc2 Re2 { and wins }) 31. dxc5 Rxc5 32. Rcd2 Be5 33. Ne2 Rec8 34. Bd4 Rc2 35. f3! { Centralizing the king for the endgame. } 35... b4 36. Kf2 a5 37. f4!? (37. Ke3) 37... Bd6 38. Be3 Ba6 39. Nd4 Rxd2+ 40. Rxd2 Rc1 (40... Rc3! 41. Nf5 Bf8 42. Rxd5 Rc2+ 43. Rd2 Rxd2+ 44. Bxd2 Ke6 45. Nd4+ Kd5 { and even a pawn down, Black's activity gives her the slightly better chances. }) 41. Nf5 Bf8 42. Bb6 (42. Rxd5 Rf1+ 43. Kg2 Bb7 44. Kxf1 Bxd5 45. Nd4 a4!) 42... Rf1+ (42... Bb7 43. Ne3 Bc5) 43. Kg2 Rc1 44. Ne3 Ke6 (44... Bc5 45. Bxc5 Rxc5) 45. f5+ Kd7!? (45... Kd6) (45... Kf7 46. Nxd5 Bb7 47. Kf2 Bxd5 48. Rxd5 Rc2+) 46. Rxd5+ (46. g4! hxg4 47. Nxg4 $14) 46... Kc6 47. Bd4 Bh6?? (47... Rc2+! 48. Nxc2 Kxd5 49. Bxf6 Bd3 50. Ne3+ Ke4 51. Bg5 Bb1) 48. Rxa5 Bd3 49. Kf2! Rh1 (49... Bxe3+ { is the best try, but } 50. Kxe3! Bb1 51. g4! (51. Bxf6 Rf1) 51... hxg4 52. Kf4 { will win with the passed h-pawn. }) 50. Nd5 (50. Bxf6 { is also strong; White is winning now. }) 50... Be4 51. Nxf6 Rh2+ 52. Kg1 Rh1+ 53. Kf2 Rh2+ 54. Kf1 Bf3 (54... Bd3+ 55. Kg1 { doesn't help. }) 55. Nxh5 Rc2 56. Nf4 Bf8 57. Ra8 Bd6 58. Rc8+ Bc7 59. Be5 { 1-0 White wins. } 1-0