Event: K-12 International Schools Chess Open 2025 G3-G5
Site: Shanghai American School Puxi, China
White: Han, Yicheng
Black: Chau, Haoze
Result: 0-1
ECO: C64
Opening: Ruy Lopez: Classical Variation
Variant: Standard
TimeControl: 20+5

1. e4 { [%eval 0.18] [%clk 0:20:09] } 1... e5 { [%eval 0.21] [%clk 0:20:10] } 2. Nf3 { [%eval 0.13] [%clk 0:20:12] } 2... Nc6 { [%eval 0.17] [%clk 0:20:15] } 3. Bb5 { [%eval 0.08] [%clk 0:20:15] } 3... Bc5 { [%eval 0.32] [%clk 0:20:06] } 4. O-O { [%eval 0.3] [%clk 0:20:13] } 4... d6 { [%eval 0.21] [%clk 0:20:10] } 5. c3 { [%eval 0.37] [%clk 0:20:01] } 5... a6 { [%eval 0.27] [%clk 0:20:07] } 6. Ba4 { [%eval 0.4] [%clk 0:20:05] } 6... b5 { [%eval 0.26] [%clk 0:20:01] } 7. Bb3 { [%eval 0.28] [%clk 0:19:51] } 7... Bg4 { [%eval 0.45] [%clk 0:19:50] } 8. d4 { [%eval 0.21] [%clk 0:19:53] } 8... exd4 { [%eval 0.29] [%clk 0:19:52] } 9. cxd4?! { [%eval -0.79] } { Inaccuracy. Bd5 was best. } { [%clk 0:19:51] } 9... Nxd4 { [%eval -0.96] [%clk 0:19:50] } 10. Bd5?? { [%eval -3.08] } { Blunder. Nbd2 was best. } { [%clk 0:19:50] } 10... Bxf3?! { [%eval -1.85] } { Inaccuracy. c6 was best. } { [%clk 0:19:24] } 11. gxf3 { [%eval -1.79] [%clk 0:19:37] } 11... Rc8?! { [%eval -1.04] } { Inaccuracy. Rb8 was best. } { [%clk 0:19:10] } 12. b4 { [%eval -1.2] [%clk 0:19:23] } 12... Bb6 { [%eval -1.31] [%clk 0:18:51] } 13. Bb2 { [%eval -1.19] [%clk 0:19:06] } 13... Qf6 { [%eval -1.19] [%clk 0:18:41] } 14. e5?? { [%eval -3.8] } { Blunder. Bc6+ was best. } { [%clk 0:18:49] } 14... dxe5 { [%eval -3.98] [%clk 0:18:07] } 15. Bxd4 { [%eval -4.98] [%clk 0:18:48] } 15... Bxd4 { [%eval -4.83] [%clk 0:18:00] } 16. Be4 { [%eval -6.13] [%clk 0:18:43] } 16... Bxa1 { [%eval -6.16] [%clk 0:17:40] } 17. Qd2 { [%eval -6.54] [%clk 0:18:44] } 17... Bd4 { [%eval -6.42] [%clk 0:17:18] } 18. Bc2 { [%eval -7.01] [%clk 0:18:26] } 18... Ne7 { [%eval -6.95] [%clk 0:16:42] } 19. Re1 { [%eval -7.29] [%clk 0:18:11] } 19... Qxf3 { [%eval -7.28] [%clk 0:16:00] } 20. Be4 { [%eval -7.39] [%clk 0:18:04] } 20... Qg4+ { [%eval -7.38] [%clk 0:15:42] } 21. Kh1 { [%eval -7.23] [%clk 0:17:56] } 21... f5 { [%eval -7.2] [%clk 0:15:16] } 22. Rg1 { [%eval -9.98] [%clk 0:17:58] } 22... Qxe4+ { [%eval -9.84] [%clk 0:15:15] } 23. Rg2 { [%eval -10.84] [%clk 0:17:42] } 23... Qxb1+ { [%eval -10.74] [%clk 0:15:11] } 24. Qd1?! { [%eval #-5] } { Checkmate is now unavoidable. Rg1 was best. } { [%clk 0:17:00] } 0-1