Event: Round 4: Yichen Han - Jonah B Willow
Date: 2022-08-28
White: Yichen Han
Black: Jonah B Willow
Result: 1/2-1/2
ECO: B28
Opening: Sicilian Defense: O'Kelly Variation, Normal System
Variant: Standard

1. e4 { [%eval 0.33] [%clk 1:30:56] } 1... c5 { [%eval 0.32] [%clk 1:30:55] } 2. Nf3 { [%eval 0.0] [%clk 1:31:21] } 2... a6?! { [%eval 0.67] } { Inaccuracy. d6 was best. } { [%clk 1:30:58] } 3. d4 { [%eval 0.26] [%clk 1:27:57] } 3... cxd4 { [%eval 0.35] [%clk 1:31:07] } 4. Nxd4 { [%eval 0.13] [%clk 1:28:17] } 4... Nf6 { [%eval 0.0] [%clk 1:31:09] } 5. Nc3 { [%eval -0.13] [%clk 1:25:22] } 5... e5 { [%eval 0.0] [%clk 1:31:32] } 6. Nf3 { [%eval -0.07] [%clk 1:22:51] } 6... Bb4 { [%eval -0.08] [%clk 1:31:43] } 7. Bd2 { [%eval -0.35] [%clk 1:18:19] } 7... d6 { [%eval -0.25] [%clk 1:30:07] } 8. Bd3 { [%eval -0.25] [%clk 1:17:21] } 8... O-O { [%eval -0.32] [%clk 1:29:29] } 9. O-O { [%eval -0.3] [%clk 1:08:08] } 9... Bg4 { [%eval -0.62] [%clk 1:28:44] } 10. a3 { [%eval -0.78] [%clk 1:05:57] } 10... Bc5?! { [%eval 0.12] } { Inaccuracy. Bxc3 was best. } { [%clk 1:21:04] } 11. h3 { [%eval 0.12] [%clk 1:02:49] } 11... Be6 { [%eval 0.09] [%clk 1:10:50] } 12. Qe2 { [%eval 0.04] [%clk 0:51:51] } 12... Nc6 { [%eval -0.34] [%clk 1:08:31] } 13. Nd5 { [%eval -0.08] [%clk 0:41:27] } 13... h6 { [%eval 0.14] [%clk 0:51:57] } 14. c4 { [%eval 0.03] [%clk 0:41:18] } 14... Bxd5 { [%eval 0.34] [%clk 0:47:40] } 15. cxd5 { [%eval 0.16] [%clk 0:36:34] } 15... Nd4 { [%eval 0.31] [%clk 0:47:53] } 16. Nxd4 { [%eval 0.16] [%clk 0:33:34] } 16... Bxd4 { [%eval 0.21] [%clk 0:48:12] } 17. Be3 { [%eval -0.03] [%clk 0:33:06] } 17... Qb6 { [%eval 0.0] [%clk 0:46:26] } 18. Bxd4 { [%eval -0.36] [%clk 0:32:49] } 18... Qxd4 { [%eval -0.38] [%clk 0:46:34] } 19. Rfd1 { [%eval -0.29] [%clk 0:32:16] } 19... Qb6 { [%eval -0.12] [%clk 0:46:00] } 20. Rac1 { [%eval -0.27] [%clk 0:31:13] } 20... Rfc8 { [%eval -0.25] [%clk 0:44:20] } 21. Qd2 { [%eval -0.4] [%clk 0:30:36] } 21... Qd4 { [%eval -0.11] [%clk 0:41:29] } 22. Qe2 { [%eval -0.42] [%clk 0:30:40] } 22... Qa4 { [%eval -0.43] [%clk 0:35:34] } 23. Bc2 { [%eval -0.59] [%clk 0:26:08] } 23... Qd7 { [%eval -0.51] [%clk 0:31:12] } 24. Bd3 { [%eval -0.63] [%clk 0:24:26] } 24... Rc7 { [%eval -0.4] [%clk 0:29:43] } 25. Rxc7 { [%eval -0.41] [%clk 0:22:34] } 25... Qxc7 { [%eval -0.09] [%clk 0:30:08] } 26. Rd2 { [%eval -0.37] [%clk 0:22:54] } 26... Qc1+ { [%eval -0.25] [%clk 0:30:07] } 27. Rd1 { [%eval -0.4] [%clk 0:23:06] } 27... Qc7 { [%eval -0.36] [%clk 0:23:05] } 28. Rd2 { [%eval -0.39] [%clk 0:23:00] } 28... Qc1+ { [%eval -0.29] [%clk 0:17:33] } 29. Rd1 { [%eval -0.45] [%clk 0:23:10] } 1/2-1/2