Event: 2021 U.S. Open
Site: Cherry Hill, New Jersey, USA
Date: 2021-08-07
White: Matviishen, Viktor
WhiteTitle: IM
WhiteElo: 2510
Black: Bruzon Batista, Lazaro
BlackTitle: GM
BlackElo: 2645
Result: 1-0
ECO: E10
Opening: Indian Defense: Anti-Nimzo-Indian
Variant: Standard
TimeControl: 40/6000+30:1800+30

1. d4 { [%eval 0.0] [%clk 1:40:55] } 1... Nf6 { [%eval 0.19] [%clk 1:33:44] } 2. c4 { [%eval 0.11] [%clk 1:41:21] } 2... e6 { [%eval 0.39] [%clk 1:34:08] } 3. Nf3 { [%eval 0.0] [%clk 1:41:48] } 3... d5 { [%eval 0.2] [%clk 1:32:36] } 4. g3 { [%eval 0.09] [%clk 1:42:10] } 4... Bb4+ { [%eval 0.32] [%clk 1:27:37] } 5. Bd2 { [%eval 0.0] [%clk 1:42:33] } 5... Bd6 { [%eval 0.47] [%clk 1:28:03] } 6. Nc3 { [%eval 0.14] [%clk 1:42:49] } 6... O-O { [%eval 0.36] [%clk 1:28:27] } 7. Bg5 { [%eval 0.31] [%clk 1:42:02] } 7... Be7 { [%eval 0.13] [%clk 1:23:20] } 8. Bxf6 { [%eval -0.01] [%clk 1:39:23] } 8... Bxf6 { [%eval -0.04] [%clk 1:23:11] } 9. cxd5 { [%eval -0.5] [%clk 1:39:50] } 9... exd5 { [%eval -0.46] [%clk 1:23:32] } 10. Bg2 { [%eval -0.42] [%clk 1:40:18] } 10... c6 { [%eval -0.5] [%clk 1:20:06] } 11. O-O { [%eval -0.59] [%clk 1:40:28] } 11... a5 { [%eval -0.09] [%clk 1:17:46] } 12. e3 { [%eval -0.43] [%clk 1:15:55] } 12... Nd7 { [%eval -0.26] [%clk 1:10:14] } 13. Ne1 { [%eval -0.66] [%clk 1:15:32] } 13... Be7 { [%eval -0.76] [%clk 0:51:57] } 14. Nd3 { [%eval -0.71] [%clk 1:11:07] } 14... Nf6 { [%eval -0.91] [%clk 0:51:56] } 15. Na4 { [%eval -1.28] [%clk 1:02:03] } 15... Bd6 { [%eval -1.07] [%clk 0:46:39] } 16. Rc1 { [%eval -0.98] [%clk 0:59:17] } 16... Re8 { [%eval -1.09] [%clk 0:43:30] } 17. Nac5 { [%eval -0.96] [%clk 0:51:37] } 17... h5 { [%eval -1.08] [%clk 0:39:53] } 18. h4 { [%eval -0.98] [%clk 0:39:30] } 18... Re7 { [%eval -1.02] [%clk 0:36:06] } 19. a3 { [%eval -0.99] [%clk 0:36:20] } 19... Bf5 { [%eval -1.0] [%clk 0:34:52] } 20. Nf4 { [%eval -0.99] [%clk 0:32:34] } 20... g6 { [%eval -0.92] [%clk 0:31:37] } 21. b4?! { [%eval -1.59] } { Inaccuracy. Qd2 was best. } { [%clk 0:33:01] } 21... axb4 { [%eval -1.78] [%clk 0:20:41] } 22. axb4 { [%eval -1.91] [%clk 0:33:30] } 22... Ra2?! { [%eval -1.03] } { Inaccuracy. Bxf4 was best. } { [%clk 0:21:00] } 23. Qb3 { [%eval -1.26] [%clk 0:22:58] } 23... Qa8 { [%eval -1.42] [%clk 0:20:59] } 24. b5 { [%eval -1.41] [%clk 0:23:23] } 24... Bxf4 { [%eval -1.3] [%clk 0:17:30] } 25. exf4?! { [%eval -2.19] } { Inaccuracy. gxf4 was best. } { [%clk 0:22:22] } 25... cxb5 { [%eval -2.72] [%clk 0:16:42] } 26. Qxb5 { [%eval -2.88] [%clk 0:21:52] } 26... Kg7?! { [%eval -1.69] } { Inaccuracy. Qa3 was best. } { [%clk 0:17:03] } 27. Qb6?? { [%eval -4.1] } { Blunder. Nd3 was best. } { [%clk 0:19:37] } 27... Ree2?! { [%eval -3.27] } { Inaccuracy. Qa3 was best. } { [%clk 0:13:23] } 28. Rce1? { [%eval -5.38] } { Mistake. Bf3 was best. } { [%clk 0:12:23] } 28... Rxe1? { [%eval -3.37] } { Mistake. Rab2 was best. } { [%clk 0:09:27] } 29. Rxe1 { [%eval -3.5] [%clk 0:12:52] } 29... Ra1 { [%eval -3.44] [%clk 0:09:47] } 30. Rf1 { [%eval -4.12] [%clk 0:09:41] } 30... Rxf1+?? { [%eval -0.95] } { Blunder. Qa2 was best. } { [%clk 0:08:14] } 31. Bxf1 { [%eval -0.71] [%clk 0:10:10] } 31... Qa1 { [%eval -0.38] [%clk 0:07:33] } 32. Qxb7 { [%eval -0.39] [%clk 0:09:14] } 32... Qxd4 { [%eval -0.23] [%clk 0:06:58] } 33. Qb6 { [%eval -0.25] [%clk 0:08:57] } 33... Qa1 { [%eval -0.23] [%clk 0:05:08] } 34. Nb3 { [%eval -0.3] [%clk 0:08:08] } 34... Qb2 { [%eval -0.16] [%clk 0:05:08] } 35. Qe3 { [%eval -0.12] [%clk 0:08:05] } 35... Qb1 { [%eval -0.07] [%clk 0:00:52] } 36. Nd2 { [%eval -0.16] [%clk 0:04:55] } 36... Qd1 { [%eval -0.08] [%clk 0:01:05] } 37. f3 { [%eval -0.13] [%clk 0:02:48] } 37... Bh3 { [%eval 0.0] [%clk 0:00:39] } 38. Kf2 { [%eval -0.01] [%clk 0:03:16] } 38... Bxf1 { [%eval -0.02] [%clk 0:01:01] } 39. Nxf1 { [%eval 0.0] [%clk 0:03:43] } 39... d4 { [%eval 0.0] [%clk 0:00:51] } 40. Qd2 { [%eval 0.0] [%clk 0:34:11] } 40... Qa4 { [%eval 0.0] [%clk 0:30:33] } 41. f5 { [%eval 0.0] [%clk 0:34:15] } 41... Qc4 { [%eval 0.0] [%clk 0:30:18] } 42. fxg6 { [%eval 0.0] [%clk 0:34:28] } 42... fxg6 { [%eval 0.0] [%clk 0:30:45] } 43. Qe2 { [%eval 0.0] [%clk 0:34:18] } 43... Qc5 { [%eval 0.0] [%clk 0:30:16] } 44. Nd2 { [%eval 0.0] [%clk 0:33:57] } 44... d3+ { [%eval 0.1] [%clk 0:25:28] } 45. Qe3 { [%eval 0.07] [%clk 0:34:20] } 45... Qc3 { [%eval 0.11] [%clk 0:25:48] } 46. Qe7+ { [%eval 0.18] [%clk 0:32:23] } 46... Kg8 { [%eval 0.21] } 47. Qe6+ { [%eval 0.31] [%clk 0:32:23] } 47... Kg7 { [%eval 0.28] } 48. Ke3 { [%eval 0.27] [%clk 0:32:23] } 48... g5? { [%eval 1.8] } { Mistake. Qa3 was best. } 49. hxg5 { [%eval 1.07] [%clk 0:32:23] } 49... Qc5+ { [%eval 1.26] } 50. Kf4 { [%eval 1.86] [%clk 0:32:23] } 50... Nd5+ { [%eval 0.52] } 51. Ke4 { [%eval 1.52] [%clk 0:32:23] } 51... Qe3+ { [%eval 0.64] } 52. Kxd5 { [%eval 1.0] [%clk 0:32:23] } 52... Qxd2 { [%eval 1.01] } 53. Qf6+ { [%eval 0.79] [%clk 0:32:23] } 53... Kg8 { [%eval 2.21] } 54. Kd6?? { [%eval 0.0] } { Blunder. Kd4 was best. } { [%clk 0:32:23] } 54... Qb4+ { [%eval 0.0] } 1-0