Event: Round 1.1: Tigran L Petrosian - Eric Chang Liu
Date: 2021-06-21
White: Tigran L Petrosian
WhiteTitle: GM
Black: Eric Chang Liu
Result: 0-1
ECO: E73
Opening: King's Indian Defense: Semi-Averbakh System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:44] } 1... Nf6 { [%eval 0.19] [%clk 1:30:39] } 2. c4 { [%eval 0.11] [%clk 1:30:40] } 2... g6 { [%eval 0.28] [%clk 1:30:52] } 3. Nc3 { [%eval 0.17] [%clk 1:30:18] } 3... Bg7 { [%eval 0.48] [%clk 1:31:18] } 4. e4 { [%eval 0.67] [%clk 1:30:33] } 4... d6 { [%eval 0.59] [%clk 1:31:44] } 5. Be2 { [%eval 0.13] [%clk 1:29:58] } 5... O-O { [%eval 0.45] [%clk 1:32:08] } 6. Be3 { [%eval 0.33] [%clk 1:28:33] } 6... c6 { [%eval 0.67] [%clk 1:32:31] } 7. Qd2 { [%eval 0.51] [%clk 1:22:38] } 7... e5 { [%eval 0.5] [%clk 1:32:48] } 8. O-O-O { [%eval 0.71] [%clk 1:21:29] } 8... Qe7 { [%eval 0.91] [%clk 1:27:11] } 9. d5?! { [%eval 0.19] } { Inaccuracy. f3 was best. } { [%clk 1:17:48] } 9... cxd5 { [%eval 0.06] [%clk 1:26:30] } 10. cxd5?! { [%eval -0.53] } { Inaccuracy. Nxd5 was best. } { [%clk 1:17:49] } 10... Ng4 { [%eval -0.12] [%clk 1:25:58] } 11. Bxg4 { [%eval -0.28] [%clk 1:16:02] } 11... Bxg4 { [%eval -0.06] [%clk 1:26:27] } 12. Nge2? { [%eval -1.1] } { Mistake. f3 was best. } { [%clk 1:16:17] } 12... Bd7 { [%eval -1.48] [%clk 1:25:14] } 13. Kb1 { [%eval -0.94] [%clk 1:14:43] } 13... b5 { [%eval -1.07] [%clk 1:24:18] } 14. Rc1 { [%eval -1.19] [%clk 1:14:32] } 14... b4 { [%eval -1.48] [%clk 1:19:30] } 15. Nd1 { [%eval -1.52] [%clk 1:14:40] } 15... Bb5 { [%eval -1.0] [%clk 1:19:28] } 16. g4 { [%eval -1.13] [%clk 1:05:33] } 16... Nd7 { [%eval -0.62] [%clk 1:19:04] } 17. Ng3 { [%eval -0.75] [%clk 1:05:02] } 17... a5 { [%eval -0.8] [%clk 1:19:26] } 18. Bg5? { [%eval -2.28] } { Mistake. f3 was best. } { [%clk 0:58:19] } 18... Bf6 { [%eval -2.04] [%clk 1:19:27] } 19. Be3?! { [%eval -2.74] } { Inaccuracy. Bh6 was best. } { [%clk 0:50:57] } 19... Rfc8? { [%eval -1.44] } { Mistake. Bh4 was best. } { [%clk 1:17:12] } 20. g5 { [%eval -1.43] [%clk 0:50:45] } 20... Bg7 { [%eval -1.48] [%clk 1:16:48] } 21. h4 { [%eval -1.56] [%clk 0:50:41] } 21... Rxc1+ { [%eval -1.33] [%clk 1:13:53] } 22. Qxc1 { [%eval -1.88] [%clk 0:51:05] } 22... f5 { [%eval -1.98] [%clk 1:11:17] } 23. gxf6 { [%eval -2.08] [%clk 0:50:36] } 23... Nxf6 { [%eval -1.75] [%clk 1:10:32] } 24. Qd2 { [%eval -2.0] [%clk 0:48:18] } 24... Ng4 { [%eval -2.18] [%clk 1:09:30] } 25. h5 { [%eval -2.06] [%clk 0:47:48] } 25... Qf7 { [%eval -1.99] [%clk 1:06:25] } 26. hxg6 { [%eval -1.83] [%clk 0:46:28] } 26... hxg6 { [%eval -2.29] [%clk 1:06:49] } 27. Re1?? { [%eval -5.57] } { Blunder. b3 was best. } { [%clk 0:39:45] } 27... Rc8? { [%eval -3.43] } { Mistake. Nh2 was best. } { [%clk 1:06:21] } 28. Bb6?! { [%eval -4.97] } { Inaccuracy. Rh1 was best. } { [%clk 0:39:27] } 28... Nh2 { [%eval -6.68] [%clk 1:00:38] } 29. Rh1 { [%eval -6.69] [%clk 0:38:19] } 29... Nf3 { [%eval -6.73] [%clk 1:01:04] } 30. Qe3 { [%eval -6.58] [%clk 0:38:43] } 30... Qf4 { [%eval -6.77] [%clk 1:01:29] } 0-1