Event: Round 5: Cao, Qingfeng - Xu, Ziyuan
Date: 2025-06-19
White: Cao, Qingfeng
WhiteElo: 2410
Black: Xu, Ziyuan
BlackElo: 2117
Result: 1-0
ECO: E81
Opening: King's Indian Defense: Sämisch Variation, Sämisch Gambit
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... Nf6 { [%eval 0.19] [%clk 1:30:56] } 2. c4 { [%eval 0.18] [%clk 1:31:07] } 2... g6 { [%eval 0.28] [%clk 1:31:24] } 3. Nc3 { [%eval 0.18] [%clk 1:31:10] } 3... Bg7 { [%eval 0.51] [%clk 1:31:51] } 4. e4 { [%eval 0.4] [%clk 1:31:25] } 4... d6 { [%eval 0.55] [%clk 1:32:18] } 5. f3 { [%eval 0.26] [%clk 1:31:44] } 5... O-O { [%eval 0.29] [%clk 1:32:31] } 6. Be3 { [%eval 0.25] [%clk 1:32:05] } 6... c5 { [%eval 0.29] [%clk 1:32:42] } 7. Nge2 { [%eval 0.31] [%clk 1:29:38] } 7... Nc6 { [%eval 0.42] [%clk 1:33:04] } 8. Qd2 { [%eval 0.09] [%clk 1:24:19] } 8... Qa5 { [%eval 0.15] [%clk 1:32:36] } 9. d5 { [%eval 0.14] [%clk 1:23:55] } 9... Ne5 { [%eval 0.13] [%clk 1:32:35] } 10. Ng3 { [%eval 0.1] [%clk 1:23:09] } 10... h5 { [%eval 0.15] [%clk 1:22:28] } 11. Be2 { [%eval 0.13] [%clk 1:21:13] } 11... Qb4 { [%eval 0.13] [%clk 1:19:40] } 12. a3 { [%eval 0.05] [%clk 1:19:15] } 12... Qb3 { [%eval 0.08] [%clk 1:17:41] } 13. Qd1 { [%eval 0.22] [%clk 1:18:29] } 13... Qxd1+ { [%eval 0.06] [%clk 1:12:53] } 14. Rxd1 { [%eval -0.13] [%clk 1:17:56] } 14... e6 { [%eval 0.28] [%clk 1:12:08] } 15. h3 { [%eval 0.29] [%clk 1:09:46] } 15... exd5 { [%eval 0.43] [%clk 1:12:13] } 16. cxd5 { [%eval 0.16] [%clk 1:09:56] } 16... a6 { [%eval 0.11] [%clk 1:04:23] } 17. a4 { [%eval 0.1] [%clk 1:09:51] } 17... Rb8 { [%eval 0.11] [%clk 0:56:08] } 18. Kf2 { [%eval -0.26] [%clk 0:46:02] } 18... b5 { [%eval -0.17] [%clk 0:55:13] } 19. axb5 { [%eval -0.25] [%clk 0:46:14] } 19... axb5 { [%eval -0.13] [%clk 0:55:38] } 20. Nxb5 { [%eval -0.18] [%clk 0:45:42] } 20... h4 { [%eval 0.0] [%clk 0:55:25] } 21. Nf1 { [%eval 0.0] [%clk 0:45:39] } 21... Ne8 { [%eval -0.02] [%clk 0:50:18] } 22. Na7 { [%eval -0.05] [%clk 0:38:35] } 22... Nc7?! { [%eval 0.77] } { Inaccuracy. f5 was best. } { [%clk 0:41:32] } 23. f4 { [%eval 0.89] [%clk 0:36:56] } 23... Nd7 { [%eval 0.84] [%clk 0:41:56] } 24. Nd2 { [%eval 0.9] [%clk 0:36:35] } 24... Rxb2 { [%eval 1.44] [%clk 0:41:56] } 25. Nxc8 { [%eval 1.55] [%clk 0:36:21] } 25... Rxc8 { [%eval 1.46] [%clk 0:39:35] } 26. Nc4 { [%eval 1.43] [%clk 0:36:43] } 26... Ra2 { [%eval 1.68] [%clk 0:28:49] } 27. Nxd6 { [%eval 1.26] [%clk 0:36:51] } 27... Rb8? { [%eval 2.62] } { Mistake. Rca8 was best. } { [%clk 0:29:06] } 28. Rb1 { [%eval 2.57] [%clk 0:30:18] } 28... Rb4 { [%eval 2.72] [%clk 0:29:26] } 29. Rhc1 { [%eval 2.69] [%clk 0:28:36] } 29... Na6 { [%eval 3.22] [%clk 0:25:41] } 30. Kf3?! { [%eval 2.46] } { Inaccuracy. e5 was best. } { [%clk 0:26:46] } 30... Rxb1?! { [%eval 3.63] } { Inaccuracy. g5 was best. } { [%clk 0:22:06] } 31. Rxb1 { [%eval 3.73] [%clk 0:27:08] } 31... Nb4 { [%eval 3.66] [%clk 0:22:33] } 32. Bc4 { [%eval 3.73] [%clk 0:22:32] } 32... Rc2 { [%eval 4.36] [%clk 0:20:56] } 33. Rc1?! { [%eval 3.34] } { Inaccuracy. Bb3 was best. } { [%clk 0:21:08] } 33... Bf8 { [%eval 3.79] [%clk 0:14:51] } 34. Ne8 { [%eval 3.93] [%clk 0:18:13] } 34... Nb6 { [%eval 3.86] [%clk 0:14:23] } 35. Rxc2 { [%eval 3.94] [%clk 0:18:08] } 35... Nxc2 { [%eval 3.43] [%clk 0:14:51] } 36. Bb5?! { [%eval 2.26] } { Inaccuracy. Ba2 was best. } { [%clk 0:17:54] } 36... Na3?? { [%eval 4.7] } { Blunder. Nxe3 was best. } { [%clk 0:14:26] } 37. Ba6 { [%eval 4.55] [%clk 0:16:20] } 37... f5 { [%eval 5.03] [%clk 0:09:27] } 38. d6 { [%eval 5.01] [%clk 0:16:22] } 1-0