Event: Round 2: Jianchao Zhou - Aaron Jacobson
Site: https://lichess.org/study/I7JP15nr/QvlevStS
Date: 2022-10-27
White: Jianchao Zhou
WhiteTitle: GM
Black: Aaron Jacobson
BlackTitle: FM
Result: 1/2-1/2
ECO: C42
Opening: Petrov's Defense
Variant: Standard

1. e4 { [%eval 0.0] [%clk 1:30:45] } 1... e5 { [%eval 0.12] [%clk 1:19:12] } 2. Nf3 { [%eval 0.19] [%clk 1:30:55] } 2... Nf6 { [%eval 0.5] [%clk 1:19:38] } 3. d3?! { [%eval -0.12] } { Inaccuracy. Nxe5 was best. } { [%clk 1:29:27] } 3... Nc6 { [%eval 0.0] [%clk 1:19:28] } 4. g3 { [%eval 0.0] [%clk 1:29:39] } 4... d5 { [%eval -0.03] [%clk 1:19:21] } 5. exd5 { [%eval 0.13] [%clk 1:29:32] } 5... Nxd5 { [%eval 0.0] [%clk 1:17:40] } 6. Bg2 { [%eval 0.0] [%clk 1:30:00] } 6... Bc5 { [%eval 0.0] [%clk 1:17:53] } 7. O-O { [%eval 0.0] [%clk 1:30:27] } 7... O-O { [%eval 0.13] [%clk 1:18:17] } 8. Nbd2 { [%eval -0.16] [%clk 1:30:54] } 8... Re8 { [%eval -0.39] [%clk 1:16:20] } 9. Re1 { [%eval -0.29] [%clk 1:31:20] } 9... Bg4 { [%eval 0.05] [%clk 1:15:38] } 10. h3 { [%eval -0.32] [%clk 1:31:43] } 10... Bh5 { [%eval 0.05] [%clk 1:15:49] } 11. c3 { [%eval 0.0] [%clk 1:32:11] } 11... a5 { [%eval 0.08] [%clk 0:59:00] } 12. a4?! { [%eval -0.6] } { Inaccuracy. Qb3 was best. } { [%clk 1:32:31] } 12... Nf6?! { [%eval 0.16] } { Inaccuracy. f6 was best. } { [%clk 0:57:47] } 13. Qe2 { [%eval -0.06] [%clk 1:28:23] } 13... Qd7 { [%eval 0.09] [%clk 0:54:17] } 14. Ne4 { [%eval -0.13] [%clk 1:27:23] } 14... Be7 { [%eval -0.1] [%clk 0:49:18] } 15. Be3 { [%eval -0.57] [%clk 1:24:30] } 15... Nd5 { [%eval -0.38] [%clk 0:48:12] } 16. Nxe5 { [%eval -0.24] [%clk 1:01:40] } 16... Bxe2 { [%eval -0.2] [%clk 0:35:38] } 17. Nxd7 { [%eval -0.44] [%clk 1:01:58] } 17... Nxe3 { [%eval -0.48] [%clk 0:35:56] } 18. Rxe2 { [%eval -0.6] [%clk 1:01:09] } 18... Nxg2 { [%eval -0.71] [%clk 0:35:42] } 19. d4 { [%eval -0.59] [%clk 1:00:47] } 19... Rad8 { [%eval -0.32] [%clk 0:24:39] } 20. Ne5 { [%eval -0.44] [%clk 1:01:01] } 20... Nxe5 { [%eval -0.42] [%clk 0:24:55] } 21. dxe5 { [%eval -0.55] [%clk 1:01:25] } 21... Nh4 { [%eval -0.32] [%clk 0:25:18] } 22. gxh4 { [%eval -0.32] [%clk 1:01:51] } 22... Bxh4 { [%eval -0.47] [%clk 0:25:44] } 23. Nd2 { [%eval -0.33] [%clk 1:01:19] } 23... Rd3 { [%eval -0.44] [%clk 0:21:56] } 24. Nc4 { [%eval -0.4] [%clk 0:59:09] } 24... b6 { [%eval -0.37] [%clk 0:21:05] } 25. Kg2 { [%eval -0.6] [%clk 0:56:55] } 25... Red8 { [%eval -0.25] [%clk 0:19:23] } 26. Rae1 { [%eval -0.29] [%clk 0:52:58] } 26... h6 { [%eval 0.0] [%clk 0:16:05] } 27. Re3 { [%eval -0.09] [%clk 0:52:44] } 27... R3d5 { [%eval -0.17] [%clk 0:15:50] } 28. Re4 { [%eval -0.22] [%clk 0:49:29] } 28... Be7 { [%eval -0.23] [%clk 0:16:10] } 29. f4 { [%eval -0.31] [%clk 0:49:16] } 29... f5 { [%eval -0.13] [%clk 0:13:06] } 30. exf6 { [%eval -0.16] [%clk 0:47:59] } 30... Bxf6 { [%eval -0.18] [%clk 0:13:11] } 31. Re8+ { [%eval -0.09] [%clk 0:47:49] } 31... Kf7 { [%eval 0.0] [%clk 0:12:52] } 32. Rxd8 { [%eval 0.0] [%clk 0:48:10] } 32... Rxd8 { [%eval 0.0] [%clk 0:13:11] } 33. Kf3 { [%eval -0.13] [%clk 0:48:12] } 33... Rd3+ { [%eval 0.0] [%clk 0:12:21] } 34. Re3 { [%eval -0.54] [%clk 0:48:10] } 34... Rd1 { [%eval -0.27] [%clk 0:12:35] } 35. Na3 { [%eval -0.36] [%clk 0:41:17] } 35... Be7 { [%eval -0.36] [%clk 0:08:52] } 36. Nc4 { [%eval -0.24] [%clk 0:39:02] } 36... Bf6 { [%eval -0.26] [%clk 0:09:08] } 37. Na3 { [%eval -0.21] [%clk 0:38:24] } 37... Be7 { [%eval -0.25] [%clk 0:09:08] } 38. Nc4 { [%eval -0.15] [%clk 0:38:50] } 1/2-1/2