Event: 2021 U.S. Open
Site: Cherry Hill, New Jersey, USA
Date: 2021-08-07
White: Akobian, Varuzhan
WhiteTitle: GM
WhiteElo: 2614
Black: Tanenbaum, Zachary
BlackTitle: NM
BlackElo: 2134
Result: 1-0
ECO: D20
Opening: Queen's Gambit Accepted: Central Variation, Rubinstein Defense
Variant: Standard
TimeControl: 40/6000+30:1800+30

1. d4 { [%eval 0.0] [%clk 1:40:55] } 1... d5 { [%eval 0.23] [%clk 1:40:55] } 2. c4 { [%eval 0.0] [%clk 1:41:17] } 2... dxc4 { [%eval 0.41] [%clk 1:41:20] } 3. e4 { [%eval 0.01] [%clk 1:41:41] } 3... c5 { [%eval 0.25] [%clk 1:41:45] } 4. d5 { [%eval 0.13] [%clk 1:42:06] } 4... e6?! { [%eval 0.68] } { Inaccuracy. Nf6 was best. } { [%clk 1:42:09] } 5. Bxc4 { [%eval 0.58] [%clk 1:42:21] } 5... Nf6 { [%eval 0.36] [%clk 1:42:31] } 6. Nc3 { [%eval 0.54] [%clk 1:42:37] } 6... exd5 { [%eval 0.48] [%clk 1:42:55] } 7. exd5 { [%eval 0.48] [%clk 1:42:57] } 7... a6 { [%eval 0.63] [%clk 1:42:57] } 8. a4 { [%eval 0.71] [%clk 1:43:17] } 8... Bd6 { [%eval 0.86] [%clk 1:43:10] } 9. Qe2+ { [%eval 0.54] [%clk 1:43:37] } 9... Qe7 { [%eval 0.55] [%clk 1:43:26] } 10. Nf3 { [%eval 0.61] [%clk 1:43:59] } 10... Qxe2+ { [%eval 0.57] [%clk 1:40:35] } 11. Bxe2 { [%eval 0.41] [%clk 1:44:25] } 11... Bf5?! { [%eval 1.3] } { Inaccuracy. O-O was best. } { [%clk 1:40:00] } 12. Nd2 { [%eval 1.42] [%clk 1:43:58] } 12... Be5 { [%eval 1.39] [%clk 1:33:47] } 13. Nc4 { [%eval 1.25] [%clk 1:44:03] } 13... Nbd7 { [%eval 1.11] [%clk 1:31:23] } 14. Nxe5 { [%eval 1.02] [%clk 1:34:57] } 14... Nxe5 { [%eval 1.03] [%clk 1:31:45] } 15. Bf4 { [%eval 1.06] [%clk 1:34:54] } 15... Nd3+ { [%eval 1.08] [%clk 1:14:32] } 16. Bxd3 { [%eval 1.3] [%clk 1:35:08] } 16... Bxd3 { [%eval 1.14] [%clk 1:14:59] } 17. O-O-O { [%eval 1.23] [%clk 1:35:18] } 17... c4 { [%eval 1.43] [%clk 1:10:38] } 18. Rhe1+ { [%eval 1.18] [%clk 1:35:20] } 18... Kd7 { [%eval 1.15] [%clk 1:10:48] } 19. a5 { [%eval 1.31] [%clk 1:35:38] } 19... Rae8 { [%eval 1.51] [%clk 1:00:52] } 20. f3 { [%eval 1.34] [%clk 1:35:15] } 20... Rxe1 { [%eval 1.36] [%clk 0:58:11] } 21. Rxe1 { [%eval 1.84] [%clk 1:35:43] } 21... Re8 { [%eval 2.14] [%clk 0:56:45] } 22. Rxe8 { [%eval 2.04] [%clk 1:26:49] } 22... Kxe8 { [%eval 1.85] [%clk 0:47:52] } 23. Kd2 { [%eval 2.2] [%clk 1:25:42] } 23... Nd7 { [%eval 2.07] [%clk 0:16:54] } 24. b4 { [%eval 1.61] [%clk 1:18:56] } 24... Ke7 { [%eval 1.66] [%clk 0:15:35] } 25. Bc7 { [%eval 1.87] [%clk 1:11:48] } 25... g5 { [%eval 2.17] [%clk 0:08:54] } 26. Ke3 { [%eval 2.13] [%clk 1:07:44] } 26... f5 { [%eval 2.22] [%clk 0:07:32] } 27. Kd4 { [%eval 2.29] [%clk 1:00:03] } 27... h6 { [%eval 2.25] [%clk 0:05:16] } 28. g3 { [%eval 2.33] [%clk 0:59:13] } 28... Bf1 { [%eval 2.73] [%clk 0:03:21] } 29. Nd1 { [%eval 2.39] [%clk 0:57:28] } 29... Kf6?! { [%eval 3.8] } { Inaccuracy. Bg2 was best. } { [%clk 0:00:36] } 30. Ne3 { [%eval 3.82] [%clk 0:50:07] } 30... Be2 { [%eval 3.85] [%clk 0:00:58] } 31. Bd8+ { [%eval 3.89] [%clk 0:35:27] } 31... Kf7 { [%eval 4.17] [%clk 0:01:13] } 32. Nxf5?! { [%eval 2.64] } { Inaccuracy. Nxc4 was best. } { [%clk 0:35:18] } 32... Ke8 { [%eval 2.3] [%clk 0:00:52] } 33. Bb6 { [%eval 1.87] [%clk 0:24:18] } 33... Nf6?! { [%eval 2.75] } { Inaccuracy. Bxf3 was best. } { [%clk 0:00:39] } 34. Nd6+ { [%eval 2.41] [%clk 0:23:18] } 34... Ke7 { [%eval 2.74] [%clk 0:00:36] } 35. Nf5+ { [%eval 2.77] [%clk 0:13:44] } 35... Kd7 { [%eval 2.8] [%clk 0:00:53] } 36. Ke5 { [%eval 2.5] [%clk 0:14:04] } 36... Ng8?! { [%eval 3.97] } { Inaccuracy. Ne8 was best. } { [%clk 0:00:34] } 37. f4? { [%eval 2.48] } { Mistake. Nd4 was best. } { [%clk 0:06:44] } 37... c3? { [%eval 4.24] } { Mistake. gxf4 was best. } { [%clk 0:00:54] } 38. Be3 { [%eval 3.75] [%clk 0:06:39] } 38... gxf4 { [%eval 4.04] [%clk 0:01:11] } 39. Bxf4 { [%eval 4.07] [%clk 0:07:04] } 39... h5 { [%eval 3.76] [%clk 0:01:25] } 40. Nd4 { [%eval 3.8] [%clk 0:34:15] } 40... Bc4 { [%eval 4.3] [%clk 0:31:36] } 41. d6 { [%eval 3.85] [%clk 0:32:57] } 41... Bf7?! { [%eval 5.24] } { Inaccuracy. Bf1 was best. } { [%clk 0:31:20] } 42. h3 { [%eval 5.31] [%clk 0:32:12] } 42... Bc4 { [%eval 5.22] [%clk 0:31:13] } 43. g4 { [%eval 4.91] [%clk 0:28:06] } 43... hxg4 { [%eval 5.28] [%clk 0:30:51] } 44. hxg4 { [%eval 5.32] [%clk 0:28:22] } 44... Ba2 { [%eval 6.48] [%clk 0:30:36] } 45. g5 { [%eval 5.75] [%clk 0:28:35] } 45... Bf7 { [%eval 6.07] [%clk 0:30:44] } 46. Ne2 { [%eval 6.19] [%clk 0:23:49] } 46... c2 { [%eval 6.1] [%clk 0:31:01] } 47. Nd4 { [%eval 6.05] [%clk 0:24:13] } 47... Bg6 { [%eval 6.6] [%clk 0:31:04] } 48. Ne6 { [%eval 6.2] [%clk 0:23:55] } 48... Bf7?! { [%eval 9.6] } { Inaccuracy. Ke8 was best. } { [%clk 0:30:32] } 49. Nc5+ { [%eval 10.16] [%clk 0:19:46] } 49... Kc6 { [%eval 14.15] [%clk 0:30:34] } 50. d7 { [%eval 18.98] [%clk 0:19:49] } 50... Kc7 { [%eval 20.45] [%clk 0:30:47] } 51. g6 { [%eval 13.49] [%clk 0:19:21] } 51... Ne7?! { [%eval #7] } { Checkmate is now unavoidable. c1=R was best. } { [%clk 0:28:57] } 52. gxf7 { [%eval #6] [%clk 0:18:41] } 52... Ng6+ { [%eval #5] [%clk 0:29:10] } 53. Kf6+ { [%eval #5] [%clk 0:18:28] } 53... Nxf4 { [%eval #5] [%clk 0:29:29] } 54. d8=Q+ { [%eval #4] [%clk 0:18:11] } 1-0