[Event "World Cup 2023"] [Site "Baku, Azerbaijan"] [Date "2023.08.19"] [Round "41.2"] [White "Muzychuk Anna (UKR)"] [Black "Tan Zhongyi (CHN)"] [Result "1-0"] [WhiteElo "2504"] [WhiteFideId "14111330"] [BlackElo "2523"] [BlackFideId "8603642"] [Annotator "https://lichess.org/@/cFlour"] [Variant "Standard"] [ECO "A23"] [Opening "English Opening: King's English Variation, Two Knights Variation, Keres Variation"] [Source "https://lichess.org/study/QLPThvQV/LWYxToei"] [Orientation "white"] 1. c4 { [%eval 0.23] [%clk 1:30:57] } 1... Nf6 { [%eval 0.29] [%clk 1:28:45] } 2. Nc3 { [%eval 0.1] [%clk 1:31:14] } 2... e5 { [%eval 0.32] [%clk 1:25:48] } 3. g3 { [%eval 0.0] [%clk 1:30:45] } 3... c6 { [%eval 0.4] [%clk 1:22:00] } 4. Nf3 { [%eval 0.21] [%clk 1:29:30] } 4... e4 { [%eval 0.2] [%clk 1:21:00] } 5. Nd4 { [%eval 0.26] [%clk 1:29:52] } 5... Bc5 { [%eval 0.43] [%clk 1:21:00] } 6. Nb3 { [%eval 0.09] [%clk 1:28:10] } 6... Be7 { [%eval 0.76] [%clk 1:20:43] } 7. Bg2 { [%eval 0.8] [%clk 1:25:10] } 7... d5 { [%eval 0.89] [%clk 1:16:28] } 8. cxd5 { [%eval 0.73] [%clk 1:25:29] } 8... cxd5 { [%eval 0.75] [%clk 1:16:53] } 9. d3 { [%eval 0.71] [%clk 1:24:48] } 9... exd3 { [%eval 0.89] [%clk 1:10:52] } 10. Qxd3 { [%eval 0.91] [%clk 1:25:11] } 10... Nc6 { [%eval 0.85] [%clk 1:08:38] } 11. O-O { [%eval 0.82] [%clk 1:12:23] } 11... O-O { [%eval 0.83] [%clk 1:01:52] } 12. Nxd5 { [%eval 0.41] [%clk 0:47:55] } 12... Nxd5 { [%eval 0.48] [%clk 1:02:14] } 13. Qxd5 { [%eval 0.45] [%clk 0:48:21] } 13... Bf6 { [%eval 0.89] [%clk 0:56:27] } 14. Be3 { [%eval 0.24] [%clk 0:42:06] } 14... Qxd5 { [%eval 0.25] [%clk 0:43:45] } 15. Bxd5 { [%eval 0.26] [%clk 0:42:34] } 15... Nb4 { [%eval 0.22] [%clk 0:44:04] } 16. Be4 { [%eval 0.25] [%clk 0:39:23] } 16... Bh3 { [%eval 0.56] [%clk 0:42:14] } 17. Rfd1 { [%eval 0.21] [%clk 0:27:23] } 17... Rae8 { [%eval 1.34] [%clk 0:42:18] } 18. f3 { [%eval 0.23] [%clk 0:22:33] } 18... Rxe4 { [%eval 0.32] [%clk 0:28:56] } 19. fxe4 { [%eval 0.17] [%clk 0:22:56] } 19... Nc2 { [%eval 0.2] [%clk 0:29:21] } 20. Bxa7 { [%eval 0.1] [%clk 0:17:04] } 20... Nxa1 { [%eval 0.14] [%clk 0:29:44] } 21. Rxa1 { [%eval 0.2] [%clk 0:16:45] } 21... Ra8 { [%eval 0.33] [%clk 0:13:33] } 22. Bd4 { [%eval 0.29] [%clk 0:15:39] } 22... Be6 { [%eval 0.35] [%clk 0:13:56] } 23. Bxf6 { [%eval 0.07] [%clk 0:14:57] } 23... Bxb3 { [%eval 0.1] [%clk 0:14:17] } 24. Bd4 { [%eval 0.09] [%clk 0:15:00] } 24... Rxa2 { [%eval 0.25] [%clk 0:14:37] } 25. Rc1 { [%eval 0.28] [%clk 0:15:26] } 25... Ra8 { [%eval 0.24] [%clk 0:10:59] } 26. Rc7 { [%eval 0.16] [%clk 0:12:25] } 26... b5 { [%eval 0.19] [%clk 0:10:37] } 27. Rc5 { [%eval 0.17] [%clk 0:12:42] } 27... Bc4 { [%eval 0.17] [%clk 0:10:36] } 28. Rg5 { [%eval 0.16] [%clk 0:13:06] } 28... g6 { [%eval 0.13] [%clk 0:10:29] } 29. Rc5 { [%eval 0.09] [%clk 0:03:56] } 29... Bxe2 { [%eval 0.25] [%clk 0:09:35] } 30. Kf2 { [%eval 0.2] [%clk 0:04:15] } 30... Bc4 { [%eval 0.23] [%clk 0:09:56] } 31. Bf6 { [%eval 0.15] [%clk 0:04:35] } 31... h6 { [%eval 0.11] [%clk 0:04:59] } 32. g4 { [%eval 0.05] [%clk 0:03:37] } 32... Be6 { [%eval 0.57] [%clk 0:04:42] } 33. Rxb5 { [%eval 0.13] [%clk 0:02:34] } 33... Bxg4 { [%eval 0.11] [%clk 0:05:05] } 34. h4 { [%eval 0.08] [%clk 0:02:44] } 34... Kf8 { [%eval 0.11] [%clk 0:04:49] } 35. Rb7 { [%eval 0.06] [%clk 0:01:46] } 35... Ke8 { [%eval 0.2] [%clk 0:03:59] } 36. Re7+ { [%eval 0.11] [%clk 0:02:09] } 36... Kf8 { [%eval 0.08] [%clk 0:04:25] } 37. Rb7 { [%eval 0.13] [%clk 0:01:59] } 37... Ke8 { [%eval 0.13] [%clk 0:04:48] } 38. Ke3 { [%eval 0.11] [%clk 0:01:30] } 38... Ra6 { [%eval 0.14] [%clk 0:03:19] } 39. e5 { [%eval 0.14] [%clk 0:01:37] } 39... Be6? { [%eval 1.26] [%clk 0:03:21] } (39... Bc8 { Passive defense could work fine, as eventually Black can reroute the king to the kingside. } 40. Re7+ Kf8 41. Rc7 Be6 42. Rb7 Ra8 43. b4 g5! 44. hxg5 hxg5 45. Bxg5 (45. b5 g4 46. Kf4 Kg8 $10) 45... Kg7! 46. b5 Kg6 { when Black is holding. }) 40. b4 { [%eval 1.32] [%clk 0:01:04] } 40... Ra1?! { [%eval 2.1] [%clk 0:02:20] } (40... Ra3+ 41. Kd4 g5 42. hxg5 hxg5 43. Bxg5 Kf8! { was again Black's best resource. }) 41. b5 { [%eval 1.65] [%clk 0:23:35] } 41... g5? { [%eval 3.11] } { With the pawn already on b5, this is too slow: } { [%clk 0:32:14] } (41... Ra3+ { is better, but ultimately still too late. } 42. Kd4 Ra4+ 43. Kc5 Rc4+ 44. Kb6 Rc8 45. Re7+ Kf8 46. Rc7 Rb8+ 47. Kc6 Bg4 48. b6 Bf3+ 49. Kb5 { when it's hard to believe Black can hold. }) 42. hxg5 { [%eval 3.13] [%clk 0:17:44] } 42... hxg5 { [%eval 3.08] [%clk 0:32:39] } 43. b6! { [%eval 3.14] [%clk 0:17:19] } 43... Ra8 { [%eval 3.3] [%clk 0:28:07] } (43... g4 44. Re7+ Kf8 45. b7 Rb1 46. Rc7 $18 { illustrates the difference of the b-pawn's one extra tempo compared to previous positions. }) 44. Kd4 { [%eval 3.06] [%clk 0:12:38] } 44... Bh3 { [%eval 3.99] [%clk 0:21:28] } 45. Bxg5 { [%eval 3.27] [%clk 0:09:17] } 45... Bg2 { [%eval 3.16] [%clk 0:18:59] } 46. Rc7 { [%eval 3.12] [%clk 0:06:35] } 46... Rb8 { [%eval 3.08] [%clk 0:16:49] } 47. Kc5 { [%eval 3.11] [%clk 0:05:09] } 47... Rb7 { [%eval 35.0] [%clk 0:16:55] } 48. Rc6 { [%eval 3.21] [%clk 0:04:48] } (48. Rxb7 { also won: } 48... Bxb7 49. Kd6 Be4 50. Kc7 $18) 48... Kf8 { [%eval 7.0] [%clk 0:15:41] } 49. Rc8+ { [%eval 6.92] [%clk 0:04:49] } 49... Kg7 { [%eval 6.95] [%clk 0:16:06] } 50. Bf6+ { [%eval 6.97] [%clk 0:05:17] } 50... Kh7 { [%eval 6.93] [%clk 0:15:04] } 51. Rh8+ { [%eval 6.86] [%clk 0:05:41] } 51... Kg6 { [%eval 6.86] [%clk 0:15:30] } 52. Rg8+ { [%eval 6.98] [%clk 0:06:08] } 1-0