Event: Round 1: Anders Kostrub - Hanchi Yao
Date: 2023-08-26
White: Anders Kostrub
Black: Hanchi Yao
Result: 0-1
ECO: E17
Opening: Queen's Indian Defense: Anti-Queen's Indian System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:24:11] } 1... Nf6 { [%eval 0.28] [%clk 1:30:49] } 2. c4 { [%eval 0.16] [%clk 1:24:32] } 2... e6 { [%eval 0.23] [%clk 1:31:15] } 3. Nf3 { [%eval 0.0] [%clk 1:24:53] } 3... b6 { [%eval 0.29] [%clk 1:31:43] } 4. g3 { [%eval 0.18] [%clk 1:25:14] } 4... Bb7 { [%eval 0.3] [%clk 1:32:02] } 5. Bg2 { [%eval 0.31] [%clk 1:25:34] } 5... Be7 { [%eval 0.31] [%clk 1:30:27] } 6. Nc3 { [%eval 0.17] [%clk 1:21:30] } 6... O-O { [%eval 0.31] [%clk 1:29:06] } 7. Qc2 { [%eval 0.21] [%clk 1:08:58] } 7... c5 { [%eval 0.35] [%clk 1:28:23] } 8. dxc5 { [%eval 0.0] [%clk 0:53:57] } 8... bxc5 { [%eval -0.06] [%clk 1:28:36] } 9. e4 { [%eval 0.01] [%clk 0:48:10] } 9... Nc6 { [%eval 0.0] [%clk 1:27:48] } 10. Bf4 { [%eval -0.32] [%clk 0:42:15] } 10... Nb4 { [%eval 0.22] [%clk 1:24:21] } 11. Qe2 { [%eval 0.35] [%clk 0:35:03] } 11... d5 { [%eval 0.32] [%clk 1:24:43] } 12. e5? { [%eval -0.96] } { Mistake. exd5 was best. } { [%clk 0:20:59] } 12... Nd7?! { [%eval -0.33] } { Inaccuracy. Nh5 was best. } { [%clk 1:24:12] } 13. a3 { [%eval -0.75] [%clk 0:12:01] } 13... d4 { [%eval -0.16] [%clk 1:21:34] } 14. axb4 { [%eval -0.03] [%clk 0:07:38] } 14... dxc3 { [%eval -0.34] [%clk 1:21:59] } 15. bxc3?! { [%eval -0.93] } { Inaccuracy. b5 was best. } { [%clk 0:06:37] } 15... cxb4 { [%eval -1.05] [%clk 1:20:48] } 16. Rb1 { [%eval -1.07] [%clk 0:05:42] } 16... Nc5 { [%eval -0.56] [%clk 1:15:40] } 17. Rd1? { [%eval -1.96] } { Mistake. cxb4 was best. } { [%clk 0:01:50] } 17... Qa5?! { [%eval -1.16] } { Inaccuracy. Qc7 was best. } { [%clk 1:15:23] } 18. cxb4 { [%eval -1.15] [%clk 0:01:50] } 18... Qxb4+ { [%eval -1.24] [%clk 1:15:47] } 19. Bd2 { [%eval -1.23] [%clk 0:01:43] } 19... Qb3?! { [%eval -0.46] } { Inaccuracy. Qb2 was best. } { [%clk 1:14:12] } 20. O-O { [%eval -0.46] [%clk 0:01:17] } 20... Be4?! { [%eval 0.28] } { Inaccuracy. Qb6 was best. } { [%clk 1:14:00] } 21. Nd4 { [%eval 0.12] [%clk 0:01:14] } 21... Qb7 { [%eval 0.09] [%clk 1:12:08] } 22. Bxe4 { [%eval -0.17] [%clk 0:01:03] } 22... Qxe4 { [%eval -0.2] [%clk 1:12:31] } 23. Be3?! { [%eval -1.1] } { Inaccuracy. Rfe1 was best. } { [%clk 0:00:55] } 23... Qxe5?! { [%eval -0.16] } { Inaccuracy. a5 was best. } { [%clk 1:09:48] } 24. Nc6 { [%eval -0.2] [%clk 0:01:09] } 24... Qc7 { [%eval -0.19] [%clk 1:10:14] } 25. Qf3 { [%eval -0.17] [%clk 0:01:03] } 25... Rac8 { [%eval -0.16] [%clk 1:09:26] } 26. Nxe7+ { [%eval -0.13] [%clk 0:00:55] } 26... Qxe7 { [%eval -0.17] [%clk 1:09:54] } 27. Bf4 { [%eval -0.47] [%clk 0:01:00] } 27... Rfd8 { [%eval -0.31] [%clk 1:09:35] } 28. Qa3 { [%eval -0.63] [%clk 0:01:19] } 28... Kf8?! { [%eval 0.0] } { Inaccuracy. h5 was best. } { [%clk 1:06:46] } 29. Be3 { [%eval -0.09] [%clk 0:01:31] } 29... Rxd1 { [%eval -0.06] [%clk 1:06:13] } 30. Rxd1 { [%eval -0.06] [%clk 0:01:49] } 30... Rc7 { [%eval 0.0] [%clk 1:03:41] } 31. Bxc5 { [%eval -0.22] [%clk 0:00:58] } 31... Qxc5 { [%eval -0.34] [%clk 1:00:16] } 32. Qxc5+ { [%eval -0.5] [%clk 0:01:12] } 32... Rxc5 { [%eval -0.51] [%clk 1:00:39] } 33. Rd7 { [%eval -0.55] [%clk 0:01:34] } 33... a5 { [%eval -0.56] [%clk 1:00:14] } 34. Ra7 { [%eval -0.55] [%clk 0:01:58] } 34... Rxc4 { [%eval -0.09] [%clk 1:00:40] } 35. Rxa5 { [%eval -0.1] [%clk 0:02:20] } 35... Ke7 { [%eval -0.09] [%clk 1:01:06] } 36. Kg2 { [%eval -0.06] [%clk 0:02:34] } 36... Kf6 { [%eval -0.08] [%clk 1:00:33] } 37. Ra3 { [%eval -0.1] [%clk 0:02:32] } 37... g5 { [%eval -0.1] [%clk 0:59:13] } 38. h3 { [%eval -0.11] [%clk 0:02:35] } 38... h5 { [%eval -0.16] [%clk 0:58:58] } 39. Ra5 { [%eval -0.11] [%clk 0:02:48] } 39... e5 { [%eval -0.12] [%clk 0:58:46] } 40. Ra6+ { [%eval -0.12] [%clk 0:02:57] } 40... Kg7 { [%eval -0.1] [%clk 0:57:51] } 41. Rd6 { [%eval -0.11] [%clk 0:02:00] } 41... Rd4 { [%eval -0.09] [%clk 0:55:40] } 42. Ra6 { [%eval -0.1] [%clk 0:02:16] } 42... g4 { [%eval -0.07] [%clk 0:55:25] } 43. h4 { [%eval -0.08] [%clk 0:02:21] } 43... Rd7 { [%eval -0.09] [%clk 0:54:25] } 44. Kf1 { [%eval -0.07] [%clk 0:02:24] } 44... Rd2 { [%eval -0.07] [%clk 0:52:30] } 45. Ke1 { [%eval -0.06] [%clk 0:02:03] } 45... Rb2 { [%eval -0.07] [%clk 0:52:48] } 46. Rc6 { [%eval -0.08] [%clk 0:01:53] } 46... f6 { [%eval -0.08] [%clk 0:52:28] } 47. Ra6 { [%eval -0.06] [%clk 0:01:17] } 47... Kg6 { [%eval -0.04] [%clk 0:52:21] } 48. Ra8 { [%eval -0.07] [%clk 0:01:26] } 48... Rc2 { [%eval -0.07] [%clk 0:45:29] } 49. Rb8 { [%eval -0.05] [%clk 0:01:35] } 49... Rc7 { [%eval -0.07] [%clk 0:44:18] } 50. Ke2 { [%eval -0.1] [%clk 0:01:50] } 50... Rc2+ { [%eval -0.1] [%clk 0:39:58] } 51. Ke1 { [%eval -0.09] [%clk 0:02:04] } 51... Ra2 { [%eval -0.07] [%clk 0:34:19] } 52. Rh8 { [%eval -0.08] [%clk 0:02:02] } 52... Kf5 { [%eval 0.0] [%clk 0:33:34] } 53. Rxh5+ { [%eval 0.0] [%clk 0:02:19] } 53... Ke4 { [%eval 0.0] [%clk 0:34:03] } 54. Rh6?? { [%eval -3.39] } { Blunder. Kf1 was best. } { [%clk 0:02:20] } 54... f5 { [%eval -4.64] [%clk 0:34:26] } 55. Rh5 { [%eval -5.3] [%clk 0:02:31] } 55... f4 { [%eval -5.28] [%clk 0:34:42] } 56. gxf4 { [%eval -6.05] [%clk 0:00:49] } 56... exf4 { [%eval -5.78] [%clk 0:35:01] } 57. Rb5 { [%eval -6.29] [%clk 0:00:59] } 57... Kf3 { [%eval -6.23] [%clk 0:34:56] } 58. Rf5 { [%eval -6.97] [%clk 0:00:38] } 58... Re2+ { [%eval -7.4] [%clk 0:34:42] } 59. Kf1?! { [%eval -39.46] } { Inaccuracy. Kd1 was best. } { [%clk 0:00:39] } 59... Rxf2+ { [%eval #-29] [%clk 0:35:07] } 60. Kg1 { [%eval #-6] [%clk 0:00:56] } 60... Ra2 { [%eval #-5] [%clk 0:35:00] } 61. Re5 { [%eval #-4] [%clk 0:00:37] } 61... Ra1+ { [%eval #-3] [%clk 0:35:23] } 62. Kh2 { [%eval #-2] [%clk 0:01:04] } 62... g3+ { [%clk 0:35:48] } 63. Kh3 { [%clk 0:01:19] } 63... Rh1# 0-1