Event: Las Vegas National Open 2023
Date: 2023-06-18
White: Andrew Hong
WhiteTitle: GM
Black: Zaven Andriasian
BlackTitle: GM
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Freak Attack
Variant: Standard
TimeControl: G/90 +30 sec inc

1. e4 { [%eval 0.36] [%clk 1:25:32] } 1... c5 { [%eval 0.32] [%clk 1:30:49] } 2. Nf3 { [%eval 0.0] [%clk 1:25:32] } 2... d6 { [%eval 0.0] [%clk 1:31:11] } 3. d4 { [%eval 0.25] [%clk 1:25:39] } 3... cxd4 { [%eval 0.13] [%clk 1:31:35] } 4. Nxd4 { [%eval 0.27] [%clk 1:26:01] } 4... Nf6 { [%eval 0.3] [%clk 1:32:00] } 5. Nc3 { [%eval 0.21] [%clk 1:26:21] } 5... a6 { [%eval 0.39] [%clk 1:32:25] } 6. Rg1 { [%eval 0.0] [%clk 1:26:04] } 6... h5 { [%eval 0.15] [%clk 1:29:18] } 7. h3 { [%eval 0.23] [%clk 1:25:02] } 7... g6 { [%eval 0.29] [%clk 1:25:12] } 8. Be3 { [%eval 0.34] [%clk 1:24:44] } 8... Bg7 { [%eval 0.24] [%clk 1:25:13] } 9. Qe2 { [%eval 0.14] [%clk 1:24:47] } 9... b5 { [%eval 0.37] [%clk 1:16:37] } 10. O-O-O { [%eval 0.32] [%clk 1:24:40] } 10... Nbd7 { [%eval 0.2] [%clk 1:14:34] } 11. g4 { [%eval 0.11] [%clk 1:17:30] } 11... Bb7 { [%eval 0.06] [%clk 1:08:07] } 12. gxh5 { [%eval -0.25] [%clk 1:01:23] } 12... Nxh5 { [%eval -0.28] [%clk 1:06:03] } 13. Kb1 { [%eval -0.34] [%clk 0:56:26] } 13... Rc8 { [%eval -0.38] [%clk 1:03:16] } 14. Nd5 { [%eval -0.41] [%clk 0:50:16] } 14... e6 { [%eval -0.28] [%clk 0:54:48] } 15. Bg5 { [%eval -0.37] [%clk 0:43:55] } 15... Ndf6?! { [%eval 0.26] } { Inaccuracy. Nhf6 was best. } { [%clk 0:53:48] } 16. Nxe6 { [%eval 0.32] [%clk 0:36:55] } 16... fxe6 { [%eval 0.35] [%clk 0:53:12] } 17. e5 { [%eval 0.4] [%clk 0:37:19] } 17... Nxd5 { [%eval 0.26] [%clk 0:37:22] } 18. Bxd8 { [%eval 0.29] [%clk 0:37:25] } 18... Rxd8 { [%eval 0.24] [%clk 0:37:47] } 19. Qg4?! { [%eval -0.47] } { Inaccuracy. Rxg6 was best. } { [%clk 0:32:24] } 19... Bxe5 { [%eval -0.49] [%clk 0:34:33] } 20. Qxe6+ { [%eval -0.75] [%clk 0:30:07] } 20... Ne7 { [%eval -0.61] [%clk 0:35:00] } 21. Qb3 { [%eval -0.63] [%clk 0:28:41] } 21... Nf4 { [%eval -0.66] [%clk 0:33:14] } 22. Re1 { [%eval -0.73] [%clk 0:24:14] } 22... Bd5 { [%eval -0.94] [%clk 0:30:34] } 23. Qa3 { [%eval -0.81] [%clk 0:21:19] } 23... Kf7 { [%eval -0.69] [%clk 0:30:33] } 24. Rg4 { [%eval -0.76] [%clk 0:21:34] } 24... Be6 { [%eval -0.72] [%clk 0:27:50] } 25. Rg5 { [%eval -1.19] [%clk 0:20:28] } 25... Bf5?! { [%eval -0.63] } { Inaccuracy. Bc8 was best. } { [%clk 0:26:57] } 26. Qxa6 { [%eval -0.8] [%clk 0:18:31] } 26... Rc8?! { [%eval 0.0] } { Inaccuracy. Ra8 was best. } { [%clk 0:23:15] } 27. Rc1? { [%eval -1.22] } { Mistake. Rxf5+ was best. } { [%clk 0:13:58] } 27... Ne6 { [%eval -1.05] [%clk 0:23:37] } 28. Rg1?! { [%eval -2.09] } { Inaccuracy. Rxf5+ was best. } 28... Nc5 { [%eval -1.99] [%clk 0:19:16] } 29. Qa3 { [%eval -2.05] [%clk 0:09:35] } 29... Rh4 { [%eval -2.15] [%clk 0:17:30] } 30. Rg4 { [%eval -2.06] [%clk 0:07:59] } 30... Bxg4 { [%eval -2.18] [%clk 0:16:37] } 31. hxg4 { [%eval -2.07] [%clk 0:08:22] } 31... Rxg4 { [%eval -1.9] [%clk 0:16:23] } 32. Bxb5 { [%eval -2.3] [%clk 0:06:26] } 32... Rb8 { [%eval -2.21] [%clk 0:16:38] } 33. c4 { [%eval -2.66] [%clk 0:06:26] } 33... Rf4 { [%eval -2.05] [%clk 0:15:59] } 34. Re1 { [%eval -2.35] [%clk 0:03:40] } 34... Ne4?! { [%eval -1.19] } { Inaccuracy. Rh8 was best. } { [%clk 0:13:06] } 35. Re2? { [%eval -2.79] } { Mistake. Qa7 was best. } { [%clk 0:02:24] } 35... Rh8 { [%eval -2.93] [%clk 0:12:08] } 36. c5 { [%eval -2.92] [%clk 0:02:23] } 36... Rh1+ { [%eval -3.06] [%clk 0:11:29] } 37. Kc2 { [%eval -3.09] [%clk 0:02:51] } 37... Nf5 { [%eval -3.11] [%clk 0:11:42] } 38. Rxe4 { [%eval -3.09] [%clk 0:00:54] } 38... Rxe4 { [%eval -3.2] [%clk 0:12:05] } 39. Qf3 { [%eval -3.58] [%clk 0:01:11] } 39... Rhh4 { [%eval -3.74] [%clk 0:11:40] } 40. c6 { [%eval -3.71] [%clk 0:00:43] } 40... Rhf4 { [%eval -3.99] [%clk 0:10:42] } 41. Qb3+ { [%eval -4.33] [%clk 0:00:33] } 41... Kg7 { [%eval -4.87] [%clk 0:11:10] } 42. Kd3 { [%eval -5.31] [%clk 0:00:43] } 42... d5 { [%eval -5.36] [%clk 0:10:49] } 43. c7 { [%eval -5.15] [%clk 0:00:33] } 43... Rf3+ { [%eval -5.74] [%clk 0:08:51] } 44. Kd2 { [%eval -5.35] [%clk 0:00:55] } 44... Rxf2+ { [%eval -5.72] [%clk 0:08:48] } 45. Kd1 { [%eval -5.47] [%clk 0:01:14] } 45... Bxc7 { [%eval -5.86] [%clk 0:08:43] } 46. Bd3 { [%eval -6.06] [%clk 0:01:43] } 46... Rd4 { [%eval -5.36] [%clk 0:07:39] } 47. Kc1 { [%eval -5.14] [%clk 0:00:36] } 47... Be5 { [%eval -5.73] [%clk 0:06:11] } 48. Qa3 { [%eval -5.87] [%clk 0:00:45] } 48... Rf3 { [%eval -6.57] [%clk 0:03:59] } 49. Qa7+ { [%eval -6.67] [%clk 0:00:55] } 49... Kh6 { [%eval -6.91] [%clk 0:04:27] } 50. Bb5?? { [%eval #-8] } { Checkmate is now unavoidable. Be2 was best. } { [%clk 0:00:32] } 50... Ne3? { [%eval -7.35] } { Lost forced checkmate sequence. Bf4+ was best. } { [%clk 0:04:16] } 51. Be2? { [%eval #-2] } { Checkmate is now unavoidable. Qxd4 was best. } { [%clk 0:00:36] } 51... Rf1+ { [%eval #-1] [%clk 0:04:39] } 0-1