Event: 2023 Summer Chess Classic | Group B
Site: Saint Louis, Missouri, United States
Date: 2023-08-10
White: Lomasov, Semyon
WhiteTitle: GM
WhiteElo: 2488
Black: Mikaelyan, Arman
BlackTitle: GM
BlackElo: 2509
Result: 1-0
ECO: B35
Opening: Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation
Variant: Standard
TimeControl: G/90+30

1. e4 { [%eval 0.36] [%clk 1:30:57] } 1... c5 { [%eval 0.32] [%clk 1:29:43] } 2. Nf3 { [%eval 0.0] [%clk 1:31:24] } 2... Nc6 { [%eval 0.0] [%clk 1:30:06] } 3. Nc3 { [%eval 0.23] [%clk 1:31:51] } 3... g6 { [%eval 0.27] [%clk 1:28:44] } 4. d4 { [%eval 0.25] [%clk 1:31:56] } 4... cxd4 { [%eval 0.37] [%clk 1:29:03] } 5. Nxd4 { [%eval 0.22] [%clk 1:32:23] } 5... Bg7 { [%eval 0.32] [%clk 1:29:26] } 6. Be3 { [%eval 0.0] [%clk 1:32:49] } 6... Nf6 { [%eval 0.45] [%clk 1:29:44] } 7. Bc4 { [%eval 0.42] [%clk 1:33:14] } 7... Qa5 { [%eval 0.48] [%clk 1:29:27] } 8. O-O { [%eval 0.48] [%clk 1:29:47] } 8... O-O { [%eval 0.45] [%clk 1:29:26] } 9. h3 { [%eval 0.47] [%clk 1:29:23] } 9... d6 { [%eval 0.43] [%clk 1:27:54] } 10. Re1 { [%eval 0.44] [%clk 1:29:03] } 10... Bd7 { [%eval 0.4] [%clk 1:20:00] } 11. Nb3 { [%eval 0.4] [%clk 1:29:00] } 11... Qd8 { [%eval 0.4] [%clk 1:18:54] } 12. a4 { [%eval 0.43] [%clk 1:29:06] } 12... b6 { [%eval 0.69] [%clk 1:05:25] } 13. Bf1 { [%eval 0.69] [%clk 1:21:12] } 13... Rc8 { [%eval 0.84] [%clk 0:54:10] } 14. Ba6 { [%eval 0.7] [%clk 1:15:27] } 14... Rb8 { [%eval 0.67] [%clk 0:54:14] } 15. Qd2 { [%eval 0.69] [%clk 1:14:59] } 15... Nb4 { [%eval 0.6] [%clk 0:46:43] } 16. Bf1 { [%eval 0.76] [%clk 1:14:57] } 16... Rc8 { [%eval 0.56] [%clk 0:46:38] } 17. a5 { [%eval 0.78] [%clk 1:10:27] } 17... Qc7 { [%eval 0.9] [%clk 0:42:12] } 18. axb6 { [%eval 0.97] [%clk 0:52:22] } 18... axb6 { [%eval 0.9] [%clk 0:42:34] } 19. Nd4 { [%eval 0.95] [%clk 0:51:58] } 19... Qb7 { [%eval 0.98] [%clk 0:36:48] } 20. Nd1 { [%eval 0.97] [%clk 0:42:27] } 20... Nc6 { [%eval 1.01] [%clk 0:34:28] } 21. Ba6 { [%eval 0.98] [%clk 0:42:46] } 21... Qa8 { [%eval 0.94] [%clk 0:34:10] } 22. Nc3 { [%eval 0.9] [%clk 0:42:04] } 22... Rcd8 { [%eval 1.06] [%clk 0:32:39] } 23. f3 { [%eval 0.84] [%clk 0:37:56] } 23... Qb8 { [%eval 0.9] [%clk 0:29:49] } 24. Qf2 { [%eval 0.61] [%clk 0:31:44] } 24... Nb4 { [%eval 0.73] [%clk 0:26:52] } 25. Bb5?! { [%eval 0.18] } { Inaccuracy. Bc4 was best. } { [%clk 0:31:54] } 25... e5 { [%eval 0.44] [%clk 0:18:57] } 26. Nb3 { [%eval 0.42] [%clk 0:32:22] } 26... Bxb5 { [%eval 0.14] [%clk 0:16:46] } 27. Nxb5 { [%eval 0.32] [%clk 0:32:50] } 27... Rc8?! { [%eval 1.19] } { Inaccuracy. d5 was best. } { [%clk 0:16:35] } 28. Rec1 { [%eval 1.35] [%clk 0:26:27] } 28... d5 { [%eval 1.27] [%clk 0:17:01] } 29. Qd2 { [%eval 1.34] [%clk 0:26:16] } 29... d4 { [%eval 1.58] [%clk 0:16:24] } 30. N3xd4 { [%eval 1.54] [%clk 0:25:21] } 30... exd4 { [%eval 1.68] [%clk 0:13:11] } 31. Bf4 { [%eval 1.65] [%clk 0:25:38] } 31... Qb7 { [%eval 1.48] [%clk 0:13:09] } 32. Qxb4 { [%eval 1.74] [%clk 0:25:14] } 32... Nh5 { [%eval 1.61] [%clk 0:13:29] } 33. Bd2?! { [%eval 0.73] } { Inaccuracy. Bh2 was best. } { [%clk 0:17:04] } 33... Rcd8 { [%eval 0.8] [%clk 0:13:19] } 34. Ra7?! { [%eval -0.08] } { Inaccuracy. Ra3 was best. } { [%clk 0:13:10] } 34... Qb8 { [%eval 0.0] [%clk 0:13:29] } 35. Qe7 { [%eval 0.0] [%clk 0:13:10] } 35... Nf4 { [%eval 0.0] [%clk 0:10:33] } 36. Rf1 { [%eval 0.01] [%clk 0:07:37] } 36... Ne6?! { [%eval 0.95] } { Inaccuracy. Nxh3+ was best. } { [%clk 0:03:15] } 37. f4 { [%eval 1.01] [%clk 0:07:07] } 37... Nc5?! { [%eval 1.94] } { Inaccuracy. d3 was best. } { [%clk 0:03:04] } 38. e5 { [%eval 1.72] [%clk 0:06:19] } 38... Ne4?! { [%eval 2.8] } { Inaccuracy. d3 was best. } { [%clk 0:01:11] } 39. Bb4 { [%eval 2.91] [%clk 0:06:00] } 39... Rd5 { [%eval 3.07] [%clk 0:00:37] } 40. Nd6 { [%eval 3.08] [%clk 0:05:32] } 40... Nxd6 { [%eval 2.96] [%clk 0:00:43] } 41. Bxd6 { [%eval 3.27] [%clk 0:04:32] } 41... Qc8 { [%eval 3.8] [%clk 0:30:26] } 42. e6 { [%eval 3.65] [%clk 0:25:32] } 42... d3?! { [%eval 5.56] } { Inaccuracy. Qxe6 was best. } { [%clk 0:23:31] } 43. cxd3 { [%eval 4.43] [%clk 0:25:26] } 43... Rxd3 { [%eval 5.28] [%clk 0:20:47] } 44. exf7+ { [%eval 5.12] [%clk 0:20:16] } 44... Kh8 { [%eval 5.22] [%clk 0:21:14] } 45. Be5 { [%eval 4.35] [%clk 0:20:07] } 45... Qc5+ { [%eval 4.25] [%clk 0:20:22] } 46. Qxc5 { [%eval 4.22] [%clk 0:20:31] } 46... bxc5 { [%eval 4.39] [%clk 0:20:49] } 47. Re7 { [%eval 3.93] [%clk 0:20:11] } 47... h5 { [%eval 4.4] [%clk 0:21:16] } 48. Ra1 { [%eval 4.47] [%clk 0:18:48] } 48... Kh7 { [%eval 4.99] [%clk 0:21:36] } 49. Raa7 { [%eval 4.86] [%clk 0:19:04] } 49... h4 { [%eval 5.93] [%clk 0:18:49] } 50. Re8 { [%eval 6.04] [%clk 0:18:38] } 1-0