Event: K-12 International Schools Chess Open 2025 G3-G5
Site: Shanghai American School Puxi, China
White: Chau, Haoze
Black: Weng, Weishi
Result: 1-0
ECO: C54
Opening: Italian Game: Classical Variation
Variant: Standard
TimeControl: 20+5

1. e4 { [%eval 0.18] [%clk 0:20:08] } 1... e5 { [%eval 0.21] [%clk 0:20:09] } 2. Nf3 { [%eval 0.13] [%clk 0:20:12] } 2... Nc6 { [%eval 0.17] [%clk 0:20:12] } 3. Bc4 { [%eval 0.12] [%clk 0:20:16] } 3... Bc5 { [%eval 0.2] [%clk 0:20:16] } 4. c3 { [%eval 0.09] [%clk 0:20:19] } 4... Nf6 { [%eval 0.13] [%clk 0:20:19] } 5. Qe2 { [%eval -0.15] [%clk 0:20:02] } 5... d6 { [%eval -0.04] [%clk 0:20:16] } 6. O-O { [%eval -0.06] [%clk 0:20:02] } 6... O-O { [%eval -0.05] [%clk 0:20:17] } 7. d3 { [%eval -0.08] [%clk 0:19:55] } 7... h6 { [%eval 0.0] [%clk 0:20:18] } 8. h3 { [%eval -0.06] [%clk 0:19:49] } 8... a6 { [%eval 0.06] [%clk 0:20:19] } 9. b4 { [%eval -0.04] [%clk 0:19:48] } 9... Na7?? { [%eval 4.88] } { Blunder. Ba7 was best. } { [%clk 0:20:15] } 10. bxc5 { [%eval 5.02] [%clk 0:19:44] } 10... dxc5 { [%eval 5.36] [%clk 0:20:16] } 11. a4 { [%eval 4.7] [%clk 0:19:38] } 11... Nc6 { [%eval 4.6] [%clk 0:20:17] } 12. Be3 { [%eval 4.63] [%clk 0:19:20] } 12... b6 { [%eval 4.85] [%clk 0:20:13] } 13. Nbd2 { [%eval 4.65] [%clk 0:18:43] } 13... Re8 { [%eval 4.69] [%clk 0:20:10] } 14. Nb3 { [%eval 4.55] [%clk 0:17:45] } 14... Bd7 { [%eval 4.61] [%clk 0:19:52] } 15. Qd2 { [%eval 4.23] [%clk 0:17:18] } 15... Rb8 { [%eval 4.88] [%clk 0:18:58] } 16. Bxa6 { [%eval 4.6] [%clk 0:16:58] } 16... Be6 { [%eval 4.67] [%clk 0:18:41] } 17. Qc2 { [%eval 4.77] [%clk 0:16:39] } 17... Qd6 { [%eval 4.94] [%clk 0:18:14] } 18. Bb5 { [%eval 4.9] [%clk 0:16:03] } 18... Bd7 { [%eval 5.24] [%clk 0:17:22] } 19. Rfd1 { [%eval 5.19] [%clk 0:15:50] } 19... Re7 { [%eval 5.34] [%clk 0:16:55] } 20. Nfd2 { [%eval 4.78] [%clk 0:15:00] } 20... Ra8 { [%eval 5.78] [%clk 0:16:39] } 21. Nc4 { [%eval 5.31] [%clk 0:14:39] } 21... Qe6 { [%eval 5.37] [%clk 0:16:32] } 22. f3 { [%eval 4.63] [%clk 0:14:36] } 22... Ra5?! { [%eval 6.3] } { Inaccuracy. Nh5 was best. } { [%clk 0:16:35] } 23. Ncxa5 { [%eval 6.07] [%clk 0:14:36] } 23... Nxa5 { [%eval 6.32] [%clk 0:16:30] } 24. Nxa5 { [%eval 6.25] [%clk 0:14:23] } 24... bxa5 { [%eval 6.25] [%clk 0:16:33] } 25. Bxd7 { [%eval 5.66] [%clk 0:14:24] } 25... Qxd7 { [%eval 6.19] [%clk 0:16:36] } 26. d4 { [%eval 6.31] [%clk 0:14:15] } 26... cxd4 { [%eval 6.26] [%clk 0:16:31] } 27. cxd4 { [%eval 5.98] [%clk 0:14:17] } 27... exd4 { [%eval 6.53] [%clk 0:16:33] } 28. Rxd4 { [%eval 6.62] [%clk 0:14:19] } 28... Qe6 { [%eval 6.69] [%clk 0:16:09] } 29. Rd8+ { [%eval 6.58] [%clk 0:14:18] } 29... Re8 { [%eval 6.73] [%clk 0:16:09] } 30. Rad1 { [%eval 6.67] [%clk 0:14:03] } 30... Qe7 { [%eval 7.0] [%clk 0:16:01] } 31. Rxe8+ { [%eval 7.51] [%clk 0:14:04] } 31... Nxe8 { [%eval 7.55] [%clk 0:16:03] } 32. Qc5 { [%eval 7.32] [%clk 0:13:54] } 32... Qe6 { [%eval 7.96] [%clk 0:15:55] } 33. Rd8 { [%eval 7.94] [%clk 0:13:51] } 33... Kh7 { [%eval 8.33] [%clk 0:15:06] } 34. Qf5+ { [%eval 8.31] [%clk 0:13:36] } 34... Qxf5 { [%eval 8.12] [%clk 0:15:03] } 35. exf5 { [%eval 7.79] [%clk 0:13:41] } 35... Nf6 { [%eval 7.77] [%clk 0:15:01] } 36. Ra8 { [%eval 7.41] [%clk 0:13:29] } 36... g6 { [%eval 8.18] [%clk 0:14:57] } 37. fxg6+ { [%eval 8.16] [%clk 0:13:29] } 37... Kxg6 { [%eval 8.26] [%clk 0:15:00] } 38. Rxa5 { [%eval 8.01] [%clk 0:13:31] } 38... Nd7 { [%eval 8.32] [%clk 0:15:01] } 39. Ra6+ { [%eval 8.38] [%clk 0:13:16] } 39... Nf6? { [%eval #10] } { Checkmate is now unavoidable. Kf5 was best. } { [%clk 0:14:59] } 40. Bd4 { [%eval #9] [%clk 0:13:15] } 40... Kg7 { [%eval #9] [%clk 0:14:46] } 41. Rxf6 { [%eval #8] [%clk 0:13:14] } 41... Kf8 { [%eval #8] [%clk 0:14:40] } 42. a5 { [%eval #7] [%clk 0:13:15] } 42... Ke8 { [%eval #7] [%clk 0:14:42] } 43. a6 { [%eval #6] [%clk 0:13:19] } 43... Ke7 { [%eval #6] [%clk 0:14:41] } 44. a7 { [%eval #5] [%clk 0:13:22] } 44... Kd7 { [%eval #5] [%clk 0:14:22] } 45. a8=Q { [%eval #4] [%clk 0:13:23] } 45... Ke7 { [%eval #3] [%clk 0:14:02] } 46. Qe4+ { [%eval #3] [%clk 0:13:18] } 46... Kd7 { [%eval #3] [%clk 0:14:02] } 47. Qc6+ { [%eval #3] [%clk 0:13:22] } 47... Ke7 { [%eval #3] [%clk 0:14:05] } 48. Bc5+ { [%eval #2] [%clk 0:13:25] } 48... Kd8 { [%eval #2] [%clk 0:14:05] } 49. Qd5+ { [%eval #3] [%clk 0:13:09] } 49... Kc8 { [%eval #3] [%clk 0:14:07] } 50. Ra6 { [%eval #2] [%clk 0:13:07] } 50... Kb8 { [%eval #1] [%clk 0:13:59] } 51. Ra8# { [%clk 0:13:06] } 1-0