Event: Round 1: Andy Wang - Lefan Yang
Date: 2023-04-21
White: Andy Wang
Black: Lefan Yang
Result: 1-0
ECO: B33
Opening: Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:56] } 1... c5 { [%eval 0.32] [%clk 1:30:51] } 2. Nf3 { [%eval 0.0] [%clk 1:31:15] } 2... Nc6 { [%eval 0.0] [%clk 1:31:17] } 3. d4 { [%eval 0.33] [%clk 1:31:29] } 3... cxd4 { [%eval 0.38] [%clk 1:31:40] } 4. Nxd4 { [%eval 0.29] [%clk 1:31:52] } 4... Nf6 { [%eval 0.36] [%clk 1:32:05] } 5. Nc3 { [%eval 0.32] [%clk 1:31:56] } 5... e5 { [%eval 0.13] [%clk 1:32:28] } 6. Ndb5 { [%eval 0.38] [%clk 1:32:01] } 6... d6 { [%eval 0.35] [%clk 1:32:39] } 7. Bg5 { [%eval 0.0] [%clk 1:32:09] } 7... a6 { [%eval 0.25] [%clk 1:33:03] } 8. Na3 { [%eval 0.33] [%clk 1:32:28] } 8... b5 { [%eval 0.22] [%clk 1:33:14] } 9. Bxf6 { [%eval 0.19] [%clk 1:30:18] } 9... gxf6 { [%eval 0.17] [%clk 1:33:33] } 10. Nd5 { [%eval 0.36] [%clk 1:30:17] } 10... f5 { [%eval 0.29] [%clk 1:33:32] } 11. exf5 { [%eval 0.28] [%clk 1:26:58] } 11... Bxf5 { [%eval 0.21] [%clk 1:33:42] } 12. c3 { [%eval 0.25] [%clk 1:27:10] } 12... Bg7 { [%eval 0.35] [%clk 1:31:39] } 13. Nc2 { [%eval 0.24] [%clk 1:26:25] } 13... O-O { [%eval 0.43] [%clk 1:29:37] } 14. Nce3 { [%eval 0.33] [%clk 1:23:52] } 14... Be6 { [%eval 0.21] [%clk 1:28:51] } 15. a4 { [%eval -0.04] [%clk 1:21:45] } 15... b4 { [%eval 0.06] [%clk 1:25:45] } 16. cxb4 { [%eval -0.32] [%clk 1:12:11] } 16... Nd4 { [%eval 0.01] [%clk 1:25:01] } 17. Bc4 { [%eval 0.05] [%clk 1:10:47] } 17... Qb8?! { [%eval 1.14] } { Inaccuracy. Kh8 was best. } { [%clk 1:09:15] } 18. Rc1 { [%eval 1.13] [%clk 1:04:54] } 18... Qb7 { [%eval 1.06] [%clk 1:05:47] } 19. O-O { [%eval 1.21] [%clk 0:56:24] } 19... Rac8 { [%eval 1.32] [%clk 1:05:05] } 20. b3 { [%eval 1.2] [%clk 0:52:25] } 20... Kh8 { [%eval 1.42] [%clk 0:57:36] } 21. Qd3 { [%eval 1.34] [%clk 0:46:34] } 21... Rc6 { [%eval 1.52] [%clk 0:48:19] } 22. f4 { [%eval 1.57] [%clk 0:40:52] } 22... f5 { [%eval 1.5] [%clk 0:46:40] } 23. Kh1 { [%eval 1.54] [%clk 0:29:48] } 23... e4 { [%eval 1.8] [%clk 0:42:33] } 24. Qd2 { [%eval 2.02] [%clk 0:29:26] } 24... Rcc8 { [%eval 2.02] [%clk 0:38:54] } 25. Rfd1 { [%eval 2.03] [%clk 0:27:41] } 25... h6 { [%eval 2.31] [%clk 0:34:04] } 26. Qf2 { [%eval 2.44] [%clk 0:25:59] } 26... Kh7 { [%eval 2.36] [%clk 0:27:37] } 27. Qf1 { [%eval 2.37] [%clk 0:25:16] } 27... Qa7 { [%eval 2.14] [%clk 0:24:49] } 28. Nc2? { [%eval 0.74] } { Mistake. h3 was best. } { [%clk 0:23:24] } 28... Bxd5 { [%eval 0.47] [%clk 0:19:27] } 29. Nxd4 { [%eval 0.52] [%clk 0:23:25] } 29... Bxc4 { [%eval 0.64] [%clk 0:15:13] } 30. Rxc4 { [%eval 0.72] [%clk 0:23:43] } 30... Rxc4 { [%eval 0.73] [%clk 0:15:38] } 31. Qxc4 { [%eval 0.76] [%clk 0:24:05] } 31... Bxd4 { [%eval 0.77] [%clk 0:14:52] } 32. Qxd4 { [%eval 0.78] [%clk 0:23:02] } 32... Qf7? { [%eval 2.21] } { Mistake. Qxd4 was best. } { [%clk 0:09:29] } 33. Qd5?! { [%eval 1.09] } { Inaccuracy. Qxd6 was best. } { [%clk 0:20:16] } 33... Qxd5 { [%eval 0.94] [%clk 0:03:16] } 34. Rxd5 { [%eval 0.71] [%clk 0:20:40] } 34... Rb8? { [%eval 2.02] } { Mistake. Rc8 was best. } { [%clk 0:03:30] } 35. Rd4? { [%eval 0.32] } { Mistake. b5 was best. } { [%clk 0:20:18] } 35... Rb6?! { [%eval 1.38] } { Inaccuracy. Kg7 was best. } { [%clk 0:03:34] } 36. Kg1 { [%eval 1.77] [%clk 0:19:29] } 36... Kg6? { [%eval 3.87] } { Mistake. Rc6 was best. } { [%clk 0:03:55] } 37. Kf2?? { [%eval 0.24] } { Blunder. a5 was best. } { [%clk 0:19:29] } 37... Kf6?? { [%eval 5.16] } { Blunder. d5 was best. } { [%clk 0:03:49] } 38. h3?? { [%eval 0.77] } { Blunder. a5 was best. } { [%clk 0:19:32] } 38... h5?? { [%eval 4.25] } { Blunder. Ke6 was best. } { [%clk 0:01:18] } 39. a5 { [%eval 4.25] [%clk 0:16:55] } 39... Rb5 { [%eval 4.83] [%clk 0:00:36] } 40. Rxd6+ { [%eval 5.0] [%clk 0:17:16] } 40... Ke7 { [%eval 4.96] [%clk 0:00:58] } 41. Rxa6 { [%eval 4.93] [%clk 0:16:47] } 41... Rxb4 { [%eval 4.93] [%clk 0:01:18] } 42. Rb6 { [%eval 5.11] [%clk 0:17:07] } 42... Rd4 { [%eval 5.06] [%clk 0:01:06] } 43. Ke2 { [%eval 5.3] [%clk 0:16:55] } 43... Rd5 { [%eval 5.48] [%clk 0:01:00] } 44. b4 { [%eval 5.48] [%clk 0:17:09] } 44... Kd7 { [%eval 5.74] [%clk 0:01:24] } 45. a6 { [%eval 5.72] [%clk 0:17:21] } 45... Rd3 { [%eval 5.53] [%clk 0:01:13] } 46. b5 { [%eval 6.32] [%clk 0:16:38] } 46... Rb3 { [%eval 7.49] [%clk 0:01:23] } 47. a7 { [%eval 7.3] [%clk 0:16:46] } 1-0