Event: Round 9: Cao, Qingfeng - Kourkoulos-Arditis, Stamatis
Date: 2025-07-19
White: Cao, Qingfeng
WhiteElo: 2394
Black: Kourkoulos-Arditis, Stamatis
BlackTitle: GM
BlackElo: 2580
Result: 1/2-1/2
ECO: E11
Opening: Bogo-Indian Defense: Retreat Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... Nf6 { [%eval 0.19] [%clk 1:30:56] } 2. c4 { [%eval 0.18] [%clk 1:31:12] } 2... e6 { [%eval 0.14] [%clk 1:31:22] } 3. g3 { [%eval 0.13] [%clk 1:29:33] } 3... d5 { [%eval 0.12] [%clk 1:31:39] } 4. Bg2 { [%eval 0.14] [%clk 1:29:54] } 4... Bb4+ { [%eval 0.18] [%clk 1:32:00] } 5. Bd2 { [%eval 0.07] [%clk 1:29:36] } 5... Be7 { [%eval 0.12] [%clk 1:32:23] } 6. Nf3 { [%eval 0.07] [%clk 1:29:51] } 6... O-O { [%eval 0.13] [%clk 1:32:45] } 7. O-O { [%eval 0.1] [%clk 1:29:46] } 7... c6 { [%eval 0.15] [%clk 1:32:12] } 8. Qc2 { [%eval 0.08] [%clk 1:28:38] } 8... Nbd7 { [%eval 0.09] [%clk 1:32:28] } 9. Rd1 { [%eval 0.07] [%clk 1:27:50] } 9... b6 { [%eval 0.06] [%clk 1:31:53] } 10. b3 { [%eval 0.07] [%clk 1:27:15] } 10... a5 { [%eval 0.08] [%clk 1:31:40] } 11. Bc3 { [%eval 0.16] [%clk 1:25:34] } 11... Ne4 { [%eval 0.16] [%clk 1:30:53] } 12. Bb2 { [%eval 0.11] [%clk 1:25:40] } 12... f5 { [%eval 0.19] [%clk 1:30:27] } 13. Nbd2 { [%eval 0.0] [%clk 1:16:52] } 13... Ba6 { [%eval -0.03] [%clk 1:29:25] } 14. Ne1 { [%eval -0.06] [%clk 1:11:22] } 14... b5 { [%eval 0.07] [%clk 1:20:13] } 15. Nxe4?! { [%eval -0.57] } { Inaccuracy. c5 was best. } { [%clk 1:01:12] } 15... fxe4 { [%eval -0.42] [%clk 1:19:27] } 16. cxd5 { [%eval -0.62] [%clk 1:00:38] } 16... cxd5 { [%eval -0.68] [%clk 1:18:57] } 17. Qc6 { [%eval -0.71] [%clk 1:00:10] } 17... Nf6 { [%eval -0.68] [%clk 1:07:32] } 18. f3?! { [%eval -1.46] } { Inaccuracy. Bh3 was best. } { [%clk 0:53:51] } 18... Qd6?! { [%eval -0.64] } { Inaccuracy. b4 was best. } { [%clk 0:48:09] } 19. Rac1 { [%eval -0.57] [%clk 0:47:20] } 19... Rac8 { [%eval -0.18] [%clk 0:47:45] } 20. Qxd6 { [%eval -0.28] [%clk 0:47:07] } 20... Bxd6 { [%eval -0.19] [%clk 0:47:42] } 21. Rxc8 { [%eval -0.23] [%clk 0:36:19] } 21... Rxc8 { [%eval -0.13] [%clk 0:47:27] } 22. Rc1 { [%eval -0.15] [%clk 0:35:49] } 22... Rxc1 { [%eval -0.15] [%clk 0:46:34] } 23. Bxc1 { [%eval -0.12] [%clk 0:35:47] } 23... b4 { [%eval -0.1] [%clk 0:45:10] } 24. Kf2 { [%eval -0.09] [%clk 0:35:29] } 24... Kf7 { [%eval -0.02] [%clk 0:40:59] } 25. Bg5 { [%eval -0.11] [%clk 0:34:57] } 25... exf3 { [%eval 0.0] [%clk 0:39:19] } 26. exf3 { [%eval 0.0] [%clk 0:31:46] } 26... Ne8 { [%eval -0.1] [%clk 0:35:06] } 1/2-1/2