Event: K-12 International Schools Chess Open 2025 G3-G5
Site: Shanghai American School Puxi, China
White: Jiang, Weiyuan
Black: Lv, Hongsheng
Result: 1-0
ECO: E93
Opening: King's Indian Defense: Petrosian Variation, Normal Defense
Variant: Standard
TimeControl: 20+5

1. d4 { [%eval 0.17] [%clk 0:20:09] } 1... Nf6 { [%eval 0.19] [%clk 0:20:06] } 2. c4 { [%eval 0.18] [%clk 0:20:13] } 2... g6 { [%eval 0.19] [%clk 0:20:10] } 3. Nc3 { [%eval 0.21] [%clk 0:19:49] } 3... Bg7 { [%eval 0.51] [%clk 0:20:13] } 4. e4 { [%eval 0.4] [%clk 0:19:53] } 4... O-O { [%eval 0.5] [%clk 0:20:11] } 5. Nf3 { [%eval 0.39] [%clk 0:19:57] } 5... d6 { [%eval 0.44] [%clk 0:20:15] } 6. Be2 { [%eval 0.45] [%clk 0:20:01] } 6... e5 { [%eval 0.53] [%clk 0:20:19] } 7. d5 { [%eval 0.38] [%clk 0:20:05] } 7... Nbd7 { [%eval 0.58] [%clk 0:19:43] } 8. h3 { [%eval 0.45] [%clk 0:19:55] } 8... a5 { [%eval 0.78] [%clk 0:18:47] } 9. Bg5 { [%eval 0.69] [%clk 0:19:29] } 9... h6 { [%eval 0.75] [%clk 0:18:32] } 10. Be3 { [%eval 0.68] [%clk 0:19:27] } 10... Re8 { [%eval 1.12] [%clk 0:18:05] } 11. Nd2 { [%eval 0.98] [%clk 0:19:17] } 11... b6 { [%eval 1.31] [%clk 0:17:25] } 12. Qc2 { [%eval 1.19] [%clk 0:18:57] } 12... Nc5 { [%eval 1.13] [%clk 0:17:14] } 13. g4 { [%eval 1.15] [%clk 0:18:30] } 13... Nh7 { [%eval 1.46] [%clk 0:15:26] } 14. O-O-O { [%eval 1.49] [%clk 0:18:09] } 14... Bd7 { [%eval 1.57] [%clk 0:14:20] } 15. Nf1?! { [%eval 0.88] } { Inaccuracy. h4 was best. } { [%clk 0:16:18] } 15... a4 { [%eval 1.13] [%clk 0:13:39] } 16. Qd2?! { [%eval 0.54] } { Inaccuracy. Kb1 was best. } { [%clk 0:16:08] } 16... g5?? { [%eval 2.58] } { Blunder. Qh4 was best. } { [%clk 0:12:27] } 17. Kb1?! { [%eval 1.79] } { Inaccuracy. Ng3 was best. } { [%clk 0:14:46] } 17... Qb8?! { [%eval 2.96] } { Inaccuracy. Nf8 was best. } { [%clk 0:12:08] } 18. h4 { [%eval 3.03] [%clk 0:13:53] } 18... f6 { [%eval 3.05] [%clk 0:11:56] } 19. Ng3 { [%eval 3.09] [%clk 0:13:02] } 19... Ra5 { [%eval 3.31] [%clk 0:08:39] } 20. f3 { [%eval 3.01] [%clk 0:12:18] } 20... Qa7 { [%eval 3.46] [%clk 0:07:53] } 21. Nf5 { [%eval 3.46] [%clk 0:11:09] } 21... Bxf5 { [%eval 3.53] [%clk 0:05:56] } 22. gxf5 { [%eval 3.38] [%clk 0:10:53] } 22... Qa8 { [%eval 3.29] [%clk 0:02:14] } 23. Nb5 { [%eval 3.24] [%clk 0:08:26] } 23... Re7 { [%eval 3.32] [%clk 0:01:26] } 24. hxg5 { [%eval 3.02] [%clk 0:08:17] } 24... Nxg5 { [%eval 3.22] [%clk 0:00:49] } 25. Qe1 { [%eval 3.29] [%clk 0:07:02] } 25... Kf8 { [%eval 3.26] [%clk 0:00:00] } 1-0