Event: Round 4: Jianchao Zhou - Joshua Posthuma
Date: 2022-01-15
White: Jianchao Zhou
WhiteTitle: GM
Black: Joshua Posthuma
BlackTitle: FM
Result: 1-0
ECO: E12
Opening: Queen's Indian Defense: Petrosian Variation
Variant: Standard

1. d4 { [%eval 0.3] [%clk 1:30:47] } 1... Nf6 { [%eval 0.0] [%clk 1:30:55] } 2. c4 { [%eval 0.23] [%clk 1:31:13] } 2... e6 { [%eval 0.28] [%clk 1:31:19] } 3. Nf3 { [%eval 0.0] [%clk 1:31:40] } 3... b6 { [%eval 0.29] [%clk 1:31:34] } 4. a3 { [%eval 0.09] [%clk 1:32:07] } 4... Bb7 { [%eval 0.2] [%clk 1:31:35] } 5. Bf4 { [%eval 0.16] [%clk 1:32:26] } 5... Be7 { [%eval 0.39] [%clk 1:31:31] } 6. Nc3 { [%eval 0.26] [%clk 1:32:09] } 6... O-O { [%eval 0.36] [%clk 1:31:00] } 7. d5 { [%eval 0.24] [%clk 1:31:21] } 7... Re8 { [%eval 0.6] [%clk 1:29:37] } 8. g3 { [%eval 0.35] [%clk 1:28:27] } 8... Nh5 { [%eval 0.07] [%clk 1:23:13] } 9. Bd2 { [%eval 0.44] [%clk 1:25:00] } 9... Bf6 { [%eval 0.64] [%clk 1:20:36] } 10. Bg2 { [%eval 0.62] [%clk 1:24:35] } 10... exd5 { [%eval 0.86] [%clk 1:19:59] } 11. cxd5 { [%eval 0.85] [%clk 1:18:00] } 11... Ba6 { [%eval 0.81] [%clk 0:45:55] } 12. e3 { [%eval 0.53] [%clk 1:09:04] } 12... c5 { [%eval 1.12] [%clk 0:36:15] } 13. dxc6? { [%eval -0.15] } { Mistake. h4 was best. } { [%clk 0:38:04] } 13... Nxc6?! { [%eval 0.38] } { Inaccuracy. dxc6 was best. } { [%clk 0:29:40] } 14. Qa4 { [%eval 0.56] [%clk 0:37:31] } 14... Bd3 { [%eval 0.62] [%clk 0:28:15] } 15. Bf1?! { [%eval -0.09] } { Inaccuracy. Qb3 was best. } { [%clk 0:35:27] } 15... Bxf1 { [%eval -0.14] [%clk 0:24:19] } 16. Kxf1 { [%eval -0.04] [%clk 0:32:41] } 16... Ne5 { [%eval 0.0] [%clk 0:23:41] } 17. Nxe5 { [%eval -0.13] [%clk 0:31:53] } 17... Bxe5 { [%eval -0.1] [%clk 0:23:59] } 18. Kg2 { [%eval -0.02] [%clk 0:32:03] } 18... d5 { [%eval 0.32] [%clk 0:22:30] } 19. Rhd1 { [%eval 0.15] [%clk 0:29:43] } 19... d4?! { [%eval 1.0] } { Inaccuracy. Nf6 was best. } { [%clk 0:17:27] } 20. Bc1 { [%eval 0.54] [%clk 0:27:29] } 20... d3 { [%eval 0.63] [%clk 0:12:24] } 21. Qb5 { [%eval 0.9] [%clk 0:18:04] } 21... Nf6 { [%eval 0.88] [%clk 0:11:49] } 22. Rxd3 { [%eval 1.04] [%clk 0:17:21] } 22... Qe7 { [%eval 1.11] [%clk 0:12:18] } 23. Bd2 { [%eval 1.05] [%clk 0:16:27] } 23... Rad8 { [%eval 1.22] [%clk 0:12:11] } 24. Rxd8 { [%eval 1.18] [%clk 0:16:20] } 24... Rxd8 { [%eval 1.59] [%clk 0:12:35] } 25. Be1 { [%eval 1.64] [%clk 0:16:38] } 25... h5 { [%eval 1.5] [%clk 0:06:08] } 26. Rd1 { [%eval 1.49] [%clk 0:15:47] } 26... Rxd1 { [%eval 1.68] [%clk 0:05:55] } 27. Nxd1 { [%eval 1.59] [%clk 0:15:47] } 27... Qb7+ { [%eval 1.99] [%clk 0:05:28] } 28. f3 { [%eval 1.96] [%clk 0:15:28] } 28... Bd6?! { [%eval 3.15] } { Inaccuracy. Qc7 was best. } { [%clk 0:04:19] } 29. Bc3 { [%eval 2.89] [%clk 0:14:49] } 29... h4?! { [%eval 3.82] } { Inaccuracy. Bc5 was best. } { [%clk 0:02:31] } 30. gxh4 { [%eval 3.87] [%clk 0:14:21] } 30... Be7 { [%eval 3.87] [%clk 0:02:10] } 31. Qe5?! { [%eval 2.83] } { Inaccuracy. e4 was best. } { [%clk 0:13:14] } 31... Qd7 { [%eval 3.12] [%clk 0:02:02] } 32. Nf2 { [%eval 3.18] [%clk 0:10:54] } 32... Bf8?! { [%eval 4.6] } { Inaccuracy. Ne8 was best. } { [%clk 0:02:31] } 33. e4 { [%eval 4.46] [%clk 0:08:23] } 33... Bc5?! { [%eval 6.18] } { Inaccuracy. Qa4 was best. } { [%clk 0:03:00] } 34. Ng4 { [%eval 6.2] [%clk 0:07:31] } 34... Ne8 { [%eval 7.99] [%clk 0:03:10] } 35. Qxg7+ { [%eval 8.03] [%clk 0:07:43] } 1-0