Event: Round 4: Lucas Jiang - Ruiyang Yan
Date: 2023-09-02
White: Lucas Jiang
WhiteElo: 2296
Black: Ruiyang Yan
BlackTitle: FM
BlackElo: 2200
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:58] } 1... c5 { [%eval 0.32] [%clk 1:26:49] } 2. Nf3 { [%eval 0.0] [%clk 1:31:20] } 2... d6 { [%eval 0.0] [%clk 1:27:13] } 3. d4 { [%eval 0.25] [%clk 1:31:42] } 3... cxd4 { [%eval 0.13] [%clk 1:27:41] } 4. Nxd4 { [%eval 0.27] [%clk 1:32:05] } 4... Nf6 { [%eval 0.3] [%clk 1:28:00] } 5. Nc3 { [%eval 0.21] [%clk 1:32:27] } 5... a6 { [%eval 0.39] [%clk 1:28:27] } 6. f3 { [%eval 0.33] [%clk 1:32:48] } 6... e5 { [%eval 0.39] [%clk 1:28:46] } 7. Nb3 { [%eval 0.26] [%clk 1:33:12] } 7... Be6 { [%eval 0.25] [%clk 1:29:12] } 8. Be3 { [%eval 0.31] [%clk 1:33:35] } 8... h5 { [%eval 0.29] [%clk 1:29:36] } 9. Nd5 { [%eval 0.25] [%clk 1:33:51] } 9... Bxd5 { [%eval 0.28] [%clk 1:29:58] } 10. exd5 { [%eval 0.41] [%clk 1:34:13] } 10... Nbd7 { [%eval 0.39] [%clk 1:30:24] } 11. Qd2 { [%eval 0.27] [%clk 1:34:10] } 11... g6 { [%eval 0.5] [%clk 1:30:46] } 12. O-O-O { [%eval 0.42] [%clk 1:34:10] } 12... Nb6 { [%eval 0.38] [%clk 1:31:09] } 13. Kb1 { [%eval 0.24] [%clk 1:33:58] } 13... Nbxd5 { [%eval 0.25] [%clk 1:31:22] } 14. Bg5 { [%eval 0.28] [%clk 1:34:17] } 14... Be7 { [%eval 0.33] [%clk 1:31:46] } 15. Bd3 { [%eval 0.33] [%clk 1:31:00] } 15... Qc7 { [%eval 0.29] [%clk 1:32:03] } 16. Rhe1 { [%eval 0.21] [%clk 1:26:27] } 16... Nb6 { [%eval 0.25] [%clk 1:31:35] } 17. f4 { [%eval 0.26] [%clk 1:23:10] } 17... O-O-O { [%eval 0.23] [%clk 1:24:54] } 18. c4 { [%eval 0.21] [%clk 1:15:18] } 18... Nbd7 { [%eval 0.41] [%clk 1:22:31] } 19. fxe5 { [%eval 0.46] [%clk 1:04:02] } 19... dxe5 { [%eval 0.94] [%clk 0:54:21] } 20. Qc1? { [%eval -0.18] } { Mistake. c5 was best. } { [%clk 0:52:49] } 20... Nc5 { [%eval -0.21] [%clk 0:43:29] } 21. Nxc5 { [%eval -0.12] [%clk 0:51:16] } 21... Qxc5 { [%eval -0.14] [%clk 0:42:45] } 22. Qc3 { [%eval -0.14] [%clk 0:41:22] } 22... Nd7 { [%eval 0.05] [%clk 0:28:48] } 23. Bxe7 { [%eval 0.0] [%clk 0:33:01] } 23... Qxe7 { [%eval 0.05] [%clk 0:29:14] } 24. Be4?! { [%eval -0.71] } { Inaccuracy. c5 was best. } { [%clk 0:32:25] } 24... f5 { [%eval -0.72] [%clk 0:23:54] } 25. Bd5 { [%eval -0.96] [%clk 0:30:49] } 25... e4 { [%eval -0.91] [%clk 0:23:32] } 26. c5 { [%eval -0.85] [%clk 0:28:05] } 26... Qxc5? { [%eval 0.72] } { Mistake. Ne5 was best. } { [%clk 0:12:09] } 27. Qg3 { [%eval 0.78] [%clk 0:27:42] } 27... Qb6?? { [%eval 4.92] } { Blunder. h4 was best. } { [%clk 0:11:44] } 28. Rc1+ { [%eval 4.96] [%clk 0:27:08] } 28... Nc5 { [%eval 4.98] [%clk 0:12:05] } 29. Rxc5+ { [%eval 5.05] [%clk 0:27:20] } 29... Qxc5 { [%eval 5.08] [%clk 0:12:20] } 30. Be6+ { [%eval 5.03] [%clk 0:27:45] } 30... Rd7 { [%eval 5.1] [%clk 0:12:46] } 31. Rc1 { [%eval 5.1] [%clk 0:28:08] } 1-0