Event: Grand Swiss
Site: Riga, Latvia
Date: 2021-10-29
White: Oparin Grigoriy  (RUS)
WhiteElo: 2654
Black: Petrosyan Manuel  (ARM)
BlackElo: 2605
Result: 1/2-1/2
ECO: B48
Opening: Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:40:57] } 1... c5 { [%eval 0.32] [%clk 1:36:13] } 2. Nf3 { [%eval 0.0] [%clk 1:41:21] } 2... e6?! { [%eval 0.54] } { Inaccuracy. d6 was best. } { [%clk 1:36:18] } 3. d4 { [%eval 0.42] [%clk 1:41:46] } 3... cxd4 { [%eval 0.55] [%clk 1:36:41] } 4. Nxd4 { [%eval 0.23] [%clk 1:42:12] } 4... Nc6 { [%eval 0.17] [%clk 1:36:43] } 5. Nc3 { [%eval 0.33] [%clk 1:42:37] } 5... Qc7 { [%eval 0.47] [%clk 1:36:54] } 6. Be3 { [%eval 0.33] [%clk 1:43:01] } 6... a6 { [%eval 0.57] [%clk 1:35:52] } 7. g4 { [%eval 0.39] [%clk 1:43:22] } 7... b5 { [%eval 0.24] [%clk 1:29:22] } 8. Nxc6 { [%eval 0.27] [%clk 1:43:45] } 8... Qxc6 { [%eval 0.16] [%clk 1:29:50] } 9. Qd2 { [%eval 0.37] [%clk 1:44:04] } 9... b4 { [%eval 0.45] [%clk 1:27:46] } 10. Ne2 { [%eval 0.51] [%clk 1:44:29] } 10... Qxe4 { [%eval 0.46] [%clk 1:28:11] } 11. Rg1 { [%eval 0.4] [%clk 1:44:56] } 11... d5? { [%eval 1.62] } { Mistake. Qc4 was best. } { [%clk 1:25:12] } 12. Bd4 { [%eval 1.28] [%clk 1:33:17] } 12... Ne7?! { [%eval 2.13] } { Inaccuracy. h5 was best. } { [%clk 1:14:56] } 13. O-O-O { [%eval 2.19] [%clk 1:19:59] } 13... h5 { [%eval 1.62] [%clk 1:01:05] } 14. Bg2 { [%eval 1.6] [%clk 1:07:18] } 14... Qh7 { [%eval 2.08] [%clk 0:58:11] } 15. g5 { [%eval 1.84] [%clk 1:07:24] } 15... Ng6 { [%eval 2.29] [%clk 0:49:02] } 16. f4?! { [%eval 1.62] } { Inaccuracy. Nf4 was best. } { [%clk 0:27:30] } 16... Nh4? { [%eval 3.11] } { Mistake. Bd6 was best. } { [%clk 0:44:37] } 17. Bxd5 { [%eval 3.21] [%clk 0:27:31] } 17... exd5 { [%eval 3.08] [%clk 0:43:21] } 18. Bf2 { [%eval 3.21] [%clk 0:27:58] } 18... Bf5?? { [%eval 7.68] } { Blunder. Qe4 was best. } { [%clk 0:36:15] } 19. Bxh4?? { [%eval -0.7] } { Blunder. g6 was best. } { [%clk 0:27:09] } 19... Bc5 { [%eval -0.68] [%clk 0:36:13] } 20. g6 { [%eval -1.05] [%clk 0:15:31] } 20... Bxg6 { [%eval -1.38] [%clk 0:32:31] } 21. Nd4 { [%eval -1.64] [%clk 0:15:54] } 21... O-O?! { [%eval -0.87] } { Inaccuracy. Be4 was best. } { [%clk 0:27:32] } 22. Bf6? { [%eval -2.46] } { Mistake. Rdf1 was best. } { [%clk 0:03:27] } 22... gxf6 { [%eval -2.82] [%clk 0:21:19] } 23. f5 { [%eval -2.41] [%clk 0:03:54] } 23... Rae8 { [%eval -2.83] [%clk 0:21:35] } 24. Kb1 { [%eval -2.79] [%clk 0:02:03] } 24... Kh8?! { [%eval -2.01] } { Inaccuracy. Re4 was best. } { [%clk 0:14:56] } 25. Rgf1 { [%eval -2.19] [%clk 0:01:57] } 25... Re5? { [%eval -0.7] } { Mistake. a5 was best. } { [%clk 0:11:49] } 26. fxg6 { [%eval -0.7] [%clk 0:02:07] } 26... fxg6?! { [%eval 0.0] } { Inaccuracy. Qxg6 was best. } { [%clk 0:12:15] } 27. Nc6 { [%eval 0.45] [%clk 0:02:18] } 27... Ree8 { [%eval 0.0] [%clk 0:08:18] } 28. Qxd5 { [%eval 0.14] [%clk 0:02:44] } 28... Be3 { [%eval 0.47] [%clk 0:08:42] } 29. Nxb4 { [%eval 0.23] [%clk 0:02:27] } 29... Qe7 { [%eval 0.5] [%clk 0:07:16] } 30. Qc4?! { [%eval -0.36] } { Inaccuracy. a3 was best. } { [%clk 0:01:47] } 30... Rc8?? { [%eval 1.23] } { Blunder. Qe4 was best. } { [%clk 0:06:00] } 31. Qd3 { [%eval 0.89] [%clk 0:01:26] } 31... Qxb4 { [%eval 0.95] [%clk 0:02:48] } 32. Qxe3 { [%eval 1.35] [%clk 0:01:52] } 32... g5 { [%eval 1.81] [%clk 0:03:14] } 33. Qe2 { [%eval 1.27] [%clk 0:01:20] } 33... Qg4 { [%eval 1.7] [%clk 0:02:40] } 34. Qxa6 { [%eval 1.66] [%clk 0:01:23] } 34... Kg7 { [%eval 1.56] [%clk 0:01:49] } 35. Qd3?? { [%eval -0.61] } { Blunder. b3 was best. } { [%clk 0:01:04] } 35... Rfd8 { [%eval 0.0] [%clk 0:01:07] } 36. Qxd8 { [%eval -0.46] [%clk 0:01:25] } 36... Rxd8 { [%eval 0.0] [%clk 0:01:33] } 37. Rxd8 { [%eval 0.0] [%clk 0:01:51] } 37... Qg2 { [%eval -0.33] [%clk 0:01:49] } 38. Rfd1 { [%eval 0.0] [%clk 0:01:26] } 38... Qxh2 { [%eval 0.0] [%clk 0:02:06] } 39. a4 { [%eval 0.0] [%clk 0:01:43] } 39... Qe2 { [%eval -0.08] [%clk 0:01:24] } 40. R8d6 { [%eval 0.0] [%clk 0:00:55] } 40... h4 { [%eval 0.14] [%clk 0:00:34] } 41. a5 { [%eval 0.5] [%clk 0:47:35] } 41... h3?? { [%eval 2.85] } { Blunder. Qf3 was best. } { [%clk 0:41:50] } 42. a6 { [%eval 2.06] [%clk 0:47:26] } 42... h2 { [%eval 3.7] [%clk 0:41:37] } 43. a7 { [%eval 3.46] [%clk 0:46:55] } 43... Qe8 { [%eval 3.4] [%clk 0:40:56] } 44. Rh1 { [%eval 3.97] [%clk 0:37:51] } 44... Qe4 { [%eval 4.38] [%clk 0:37:59] } 45. Rdd1 { [%eval 4.2] [%clk 0:33:44] } 45... Qf3 { [%eval 4.42] [%clk 0:36:22] } 46. Rd7+?? { [%eval 0.0] } { Blunder. b3 was best. } { [%clk 0:28:40] } 46... Kg6 { [%eval 0.0] [%clk 0:36:34] } 47. Rxh2 { [%eval 0.0] [%clk 0:29:05] } 1/2-1/2