Event: 49th Annual World Open
Site: Philadelphia, Pennsylvania, USA
Date: 2021-07-02
White: Song, Edward
WhiteElo: 2402
Black: Hakobyan, Aram
BlackElo: 2603
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:00:54] } 1... c5 { [%eval 0.32] [%clk 1:20:55] } 2. Nf3 { [%eval 0.0] [%clk 1:01:20] } 2... d6 { [%eval 0.0] [%clk 1:21:20] } 3. d4 { [%eval 0.15] [%clk 1:01:46] } 3... cxd4 { [%eval 0.13] [%clk 1:21:45] } 4. Nxd4 { [%eval 0.0] [%clk 1:02:11] } 4... Nf6 { [%eval 0.14] [%clk 1:22:12] } 5. Nc3 { [%eval 0.0] [%clk 1:02:36] } 5... a6 { [%eval 0.21] [%clk 1:22:39] } 6. a4 { [%eval 0.0] [%clk 1:02:06] } 6... e5 { [%eval 0.13] [%clk 1:22:30] } 7. Nf3 { [%eval 0.0] [%clk 1:02:18] } 7... h6 { [%eval 0.2] [%clk 1:22:51] } 8. Bc4 { [%eval 0.17] [%clk 0:59:18] } 8... Be6 { [%eval 0.05] [%clk 1:23:19] } 9. Qe2 { [%eval 0.3] [%clk 0:58:43] } 9... Qc7 { [%eval 0.23] [%clk 1:23:03] } 10. Bb3 { [%eval 0.0] [%clk 0:56:46] } 10... Be7 { [%eval 0.16] [%clk 1:21:34] } 11. O-O { [%eval 0.11] [%clk 0:56:36] } 11... Nc6?! { [%eval 0.7] } { Inaccuracy. O-O was best. } { [%clk 1:17:21] } 12. Rd1?! { [%eval 0.1] } { Inaccuracy. Nd5 was best. } { [%clk 0:48:58] } 12... Rc8 { [%eval 0.35] [%clk 1:17:37] } 13. Be3 { [%eval 0.21] [%clk 0:37:42] } 13... Na5 { [%eval 0.22] [%clk 1:17:13] } 14. Ba2?! { [%eval -0.39] } { Inaccuracy. Nd5 was best. } { [%clk 0:36:53] } 14... Nc4 { [%eval -0.47] [%clk 1:16:53] } 15. Bc1 { [%eval -0.24] [%clk 0:35:58] } 15... O-O { [%eval -0.22] [%clk 1:17:19] } 16. Nd2 { [%eval -0.15] [%clk 0:34:15] } 16... Rfd8 { [%eval 0.0] [%clk 0:59:59] } 17. Nxc4 { [%eval -0.02] [%clk 0:16:36] } 17... Bxc4 { [%eval -0.13] [%clk 1:00:17] } 18. Bxc4 { [%eval -0.22] [%clk 0:16:54] } 18... Qxc4 { [%eval -0.24] [%clk 1:00:43] } 19. Rd3 { [%eval 0.26] [%clk 0:04:53] } 19... b5 { [%eval -0.26] [%clk 0:56:29] } 20. b3 { [%eval -0.13] [%clk 0:03:12] } 20... Qc6 { [%eval -0.21] [%clk 0:50:51] } 21. Ba3 { [%eval -0.68] [%clk 0:02:58] } 21... bxa4 { [%eval -0.69] [%clk 0:50:38] } 22. bxa4 { [%eval -0.87] [%clk 0:03:21] } 22... Rd7?! { [%eval -0.13] } { Inaccuracy. Qa8 was best. } { [%clk 0:50:33] } 23. g3 { [%eval -0.54] [%clk 0:03:27] } 23... Rdc7 { [%eval -0.53] [%clk 0:50:20] } 24. Rb1 { [%eval -0.6] [%clk 0:02:21] } 24... Qd7 { [%eval -0.47] [%clk 0:46:53] } 25. Rb3 { [%eval -0.78] [%clk 0:02:32] } 25... Rc4 { [%eval -0.31] [%clk 0:47:22] } 26. f3? { [%eval -1.35] } { Mistake. a5 was best. } { [%clk 0:01:02] } 26... R8c6 { [%eval -1.37] [%clk 0:47:06] } 27. Qd2 { [%eval -0.93] [%clk 0:01:08] } 27... Kh7 { [%eval -1.74] [%clk 0:45:19] } 28. Kg2?! { [%eval -2.65] } { Inaccuracy. a5 was best. } { [%clk 0:00:47] } 28... Qc8 { [%eval -2.19] [%clk 0:45:07] } 29. g4? { [%eval -3.96] } { Mistake. Kh1 was best. } { [%clk 0:00:34] } 29... Nd7 { [%eval -3.9] [%clk 0:40:54] } 30. Qe1 { [%eval -4.25] [%clk 0:00:41] } 30... Nf8 { [%eval -4.49] [%clk 0:40:38] } 31. Nd5 { [%eval -4.9] [%clk 0:00:37] } 31... Rxc2+ { [%eval -4.59] [%clk 0:37:25] } 32. Kg3?! { [%eval -6.08] } { Inaccuracy. Kh1 was best. } { [%clk 0:00:59] } 32... Bd8 { [%eval -5.84] [%clk 0:36:01] } 33. Nb4?! { [%eval -19.98] } { Inaccuracy. Bb4 was best. } { [%clk 0:00:31] } 33... Ng6 { [%eval -8.79] [%clk 0:36:29] } 34. Nxc2 { [%eval -12.87] [%clk 0:00:31] } 34... Bh4+ { [%eval -11.06] [%clk 0:36:49] } 35. Kh3 { [%eval -9.19] [%clk 0:00:37] } 35... Bxe1 { [%eval -8.65] [%clk 0:37:10] } 36. Nxe1 { [%eval -7.69] [%clk 0:00:53] } 36... Nf4+ { [%eval -7.25] [%clk 0:37:37] } 37. Kg3 { [%eval -7.97] [%clk 0:01:20] } 37... Nxd3 { [%eval -6.67] [%clk 0:38:01] } 38. Rxd3 { [%eval -6.82] [%clk 0:01:40] } 38... Rc3 { [%eval -6.63] [%clk 0:38:21] } 0-1