Event: AGIS 2025
Site: https://lichess.org/broadcast/harrow-shanghai-international-schools-chess-open-2025/round-4/iciXTz62/uj1ZaMsq
Date: 2025-09-20
White: Lei, Yangguang
WhiteElo: 0
Black: Yin, Ningyuan
BlackElo: 0
Result: 0-1
ECO: D80
Opening: Grünfeld Defense
Variant: Standard
TimeControl: 20+5

1. d4 { [%eval 0.17] [%clk 0:20:08] } 1... Nf6 { [%eval 0.19] [%clk 0:20:08] } 2. c4 { [%eval 0.18] [%clk 0:20:13] } 2... g6 { [%eval 0.28] [%clk 0:20:11] } 3. Nc3 { [%eval 0.18] [%clk 0:20:17] } 3... d5 { [%eval 0.28] [%clk 0:20:15] } 4. e3 { [%eval 0.06] [%clk 0:20:21] } 4... Bg7 { [%eval 0.21] [%clk 0:20:17] } 5. cxd5 { [%eval 0.03] [%clk 0:20:20] } 5... Nxd5 { [%eval 0.12] [%clk 0:20:19] } 6. Bc4 { [%eval 0.11] [%clk 0:20:23] } 6... Nxc3 { [%eval 0.13] [%clk 0:20:03] } 7. bxc3 { [%eval 0.16] [%clk 0:20:26] } 7... c5 { [%eval 0.22] [%clk 0:20:03] } 8. Qb3?! { [%eval -0.34] } { Inaccuracy. Nf3 was best. } { [%clk 0:20:20] } 8... O-O { [%eval -0.32] [%clk 0:19:53] } 9. Nf3 { [%eval -0.36] [%clk 0:20:17] } 9... Qc7 { [%eval -0.08] [%clk 0:19:20] } 10. Ba3 { [%eval -0.34] [%clk 0:20:07] } 10... Nc6 { [%eval -0.44] [%clk 0:16:58] } 11. Bxc5?? { [%eval -3.73] } { Blunder. Bd3 was best. } { [%clk 0:19:58] } 11... Na5 { [%eval -3.65] [%clk 0:16:52] } 12. Qb4?! { [%eval -4.63] } { Inaccuracy. Bxf7+ was best. } { [%clk 0:19:41] } 12... Nxc4 { [%eval -4.46] [%clk 0:16:39] } 13. Qxc4 { [%eval -4.55] [%clk 0:19:41] } 13... b6 { [%eval -4.49] [%clk 0:16:31] } 14. Qd5 { [%eval -4.84] [%clk 0:19:17] } 14... Bb7 { [%eval -4.95] [%clk 0:16:15] } 15. Bxb6?! { [%eval -8.49] } { Inaccuracy. Qc4 was best. } { [%clk 0:19:03] } 15... Qxc3+ { [%eval -8.54] [%clk 0:15:53] } 16. Ke2 { [%eval -9.4] [%clk 0:19:07] } 16... Bxd5 { [%eval -9.28] [%clk 0:15:53] } 17. Rhc1? { [%eval #-12] } { Checkmate is now unavoidable. Nd2 was best. } { [%clk 0:19:01] } 17... Qb2+? { [%eval -8.56] } { Lost forced checkmate sequence. Bc4+ was best. } { [%clk 0:14:59] } 18. Nd2 { [%eval -8.84] [%clk 0:18:47] } 18... Qxb6 { [%eval -8.9] [%clk 0:14:49] } 19. Rab1 { [%eval -9.17] [%clk 0:18:51] } 19... Qa6+ { [%eval -8.88] [%clk 0:14:23] } 20. Ke1 { [%eval -8.86] [%clk 0:18:50] } 20... Rfc8 { [%eval -8.92] [%clk 0:14:06] } 21. e4 { [%eval -9.93] [%clk 0:18:44] } 21... Rxc1+ { [%eval -9.57] [%clk 0:14:01] } 22. Rxc1 { [%eval -9.64] [%clk 0:18:47] } 22... Qxa2 { [%eval -9.26] [%clk 0:13:34] } 23. exd5 { [%eval -8.97] [%clk 0:18:48] } 23... Qxd5 { [%eval -8.56] [%clk 0:13:36] } 24. f3 { [%eval -11.26] [%clk 0:18:47] } 24... Bxd4 { [%eval -10.47] [%clk 0:13:33] } 25. Rc4?! { [%eval #-8] } { Checkmate is now unavoidable. Nc4 was best. } { [%clk 0:18:46] } 25... Be3 { [%eval #-7] [%clk 0:13:05] } 26. Rc2 { [%eval #-17] [%clk 0:18:42] } 26... Bxd2+ { [%eval -11.33] [%clk 0:13:05] } 27. Rxd2 { [%eval #-19] [%clk 0:18:45] } 27... Qa5 { [%eval -12.12] [%clk 0:13:08] } 28. Kd1?! { [%eval #-15] } { Checkmate is now unavoidable. Ke2 was best. } { [%clk 0:18:44] } 28... Rd8 { [%eval #-15] [%clk 0:13:11] } 29. Rxd8+ { [%eval #-17] [%clk 0:18:48] } 29... Qxd8+ { [%eval -9.75] [%clk 0:13:14] } 30. Ke2? { [%eval #-10] } { Checkmate is now unavoidable. Kc2 was best. } { [%clk 0:18:52] } 30... a5 { [%eval #-9] [%clk 0:13:17] } 31. Kf2 { [%eval #-8] [%clk 0:18:56] } 31... a4 { [%eval #-7] [%clk 0:13:21] } 32. g4 { [%eval #-6] [%clk 0:19:00] } 32... a3 { [%eval #-5] [%clk 0:13:24] } 33. h4 { [%eval #-5] [%clk 0:19:04] } 33... f5 { [%eval #-6] [%clk 0:13:25] } 34. gxf5 { [%eval #-6] [%clk 0:19:08] } 34... gxf5 { [%eval #-5] [%clk 0:13:27] } 35. f4 { [%eval #-5] [%clk 0:19:12] } 35... Qd4+ { [%eval #-4] [%clk 0:13:30] } 36. Kf3 { [%eval #-4] [%clk 0:19:15] } 36... Qe4+ { [%eval #-4] [%clk 0:13:34] } 37. Kg3 { [%eval #-4] [%clk 0:19:17] } 37... a2 { [%eval #-3] [%clk 0:13:37] } 38. h5 { [%eval #-3] [%clk 0:19:17] } 38... a1=Q { [%eval #-2] [%clk 0:13:37] } 39. h6 { [%eval #-2] [%clk 0:19:11] } 39... Qc3+ { [%eval #-2] [%clk 0:13:35] } 40. Kh2 { [%eval #-2] [%clk 0:16:59] } 40... Qxf4+ { [%eval #-2] [%clk 0:13:36] } 41. Kg1 { [%eval #-2] [%clk 0:16:24] } 41... Qcg3+ { [%eval #-1] [%clk 0:13:27] } 42. Kh1 { [%eval #-1] [%clk 0:00:06] } 42... Qxh6# { [%clk 0:13:29] } 0-1