Event: Russian Team Championship Premier League
Site: chess24.com
Date: 2021-05-04
White: Pervakov, Sergey
WhiteElo: 2056
Black: Yuffa, Daniil
BlackTitle: GM
BlackElo: 2587
Result: 0-1
ECO: B20
Opening: Sicilian Defense: Mengarini Variation
Variant: Standard

1. e4 { [%eval 0.05] [%clk 1:30:56] } 1... c5 { [%eval 0.32] [%clk 1:30:56] } 2. a3 { [%eval -0.05] [%clk 1:31:20] } 2... Nc6 { [%eval -0.09] [%clk 1:31:17] } 3. b4 { [%eval -0.55] [%clk 1:31:44] } 3... Nf6 { [%eval -0.59] [%clk 1:31:41] } 4. b5 { [%eval -0.79] [%clk 1:31:42] } 4... Nd4 { [%eval -0.31] [%clk 1:31:44] } 5. c3 { [%eval -0.48] [%clk 1:32:03] } 5... Ne6 { [%eval -0.67] [%clk 1:32:05] } 6. e5 { [%eval -0.51] [%clk 1:32:08] } 6... Nd5 { [%eval -0.58] [%clk 1:32:21] } 7. Qb3 { [%eval -0.83] [%clk 1:32:09] } 7... Ndc7 { [%eval -0.38] [%clk 1:31:18] } 8. Nf3 { [%eval -0.29] [%clk 1:30:50] } 8... b6 { [%eval -0.2] [%clk 1:25:07] } 9. d4 { [%eval -0.35] [%clk 1:20:50] } 9... Bb7 { [%eval -0.25] [%clk 1:25:16] } 10. Be3 { [%eval 0.0] [%clk 1:20:42] } 10... Bxf3 { [%eval -0.29] [%clk 1:17:12] } 11. gxf3 { [%eval 0.29] [%clk 1:20:44] } 11... g6 { [%eval 0.23] [%clk 1:17:18] } 12. d5 { [%eval 0.19] [%clk 0:57:35] } 12... Ng7 { [%eval 0.21] [%clk 1:17:05] } 13. f4 { [%eval -0.06] [%clk 0:47:10] } 13... d6 { [%eval -0.22] [%clk 1:15:54] } 14. c4 { [%eval -0.4] [%clk 0:46:05] } 14... Nf5 { [%eval -0.07] [%clk 1:12:12] } 15. Nd2 { [%eval -0.26] [%clk 0:45:10] } 15... Bg7 { [%eval -0.2] [%clk 1:09:59] } 16. Nf3 { [%eval -0.39] [%clk 0:45:06] } 16... a6?! { [%eval 0.19] } { Inaccuracy. O-O was best. } { [%clk 1:09:57] } 17. bxa6 { [%eval 0.03] [%clk 0:38:50] } 17... Rxa6 { [%eval 0.49] [%clk 1:10:15] } 18. Bd3 { [%eval 0.19] [%clk 0:38:20] } 18... Qd7?! { [%eval 1.06] } { Inaccuracy. Nxe3 was best. } { [%clk 1:09:55] } 19. Rg1?? { [%eval -0.67] } { Blunder. h4 was best. } { [%clk 0:34:34] } 19... O-O { [%eval -0.87] [%clk 1:06:34] } 20. Rg5?? { [%eval -2.64] } { Blunder. Ke2 was best. } { [%clk 0:29:46] } 20... Nxe3 { [%eval -2.59] [%clk 1:05:21] } 21. fxe3 { [%eval -2.74] [%clk 0:30:09] } 21... f6?! { [%eval -1.62] } { Inaccuracy. e6 was best. } { [%clk 1:04:37] } 22. Rg3 { [%eval -2.03] [%clk 0:24:20] } 22... fxe5 { [%eval -2.19] [%clk 1:03:59] } 23. fxe5 { [%eval -1.74] [%clk 0:24:43] } 23... dxe5 { [%eval -1.59] [%clk 1:00:52] } 24. Be4?! { [%eval -2.27] } { Inaccuracy. Ra2 was best. } { [%clk 0:22:44] } 24... Qa4?! { [%eval -1.26] } { Inaccuracy. Ne8 was best. } { [%clk 1:00:13] } 25. Qd3?? { [%eval -3.29] } { Blunder. Qxa4 was best. } { [%clk 0:18:02] } 25... b5 { [%eval -2.79] [%clk 1:00:01] } 26. Nd2 { [%eval -3.09] [%clk 0:11:53] } 26... b4 { [%eval -2.43] [%clk 0:59:24] } 27. h4 { [%eval -2.32] [%clk 0:09:51] } 27... bxa3 { [%eval -2.52] [%clk 0:59:24] } 28. h5?! { [%eval -3.62] } { Inaccuracy. Ra2 was best. } { [%clk 0:09:32] } 28... a2 { [%eval -3.56] [%clk 0:58:42] } 29. hxg6 { [%eval -3.44] [%clk 0:08:05] } 29... h6 { [%eval -3.86] [%clk 0:58:16] } 30. Qb3 { [%eval -4.06] [%clk 0:06:10] } 30... Qa5?! { [%eval -3.21] } { Inaccuracy. Ne8 was best. } { [%clk 0:53:20] } 31. Ke2 { [%eval -3.55] [%clk 0:05:56] } 31... Ne8 { [%eval -3.56] [%clk 0:53:06] } 32. Qb5? { [%eval -6.22] } { Mistake. Rf3 was best. } { [%clk 0:04:11] } 32... Qc3 { [%eval -6.33] [%clk 0:48:38] } 33. Rgg1 { [%eval -8.81] [%clk 0:03:29] } 33... Raf6 { [%eval -7.09] [%clk 0:46:44] } 34. Rxa2 { [%eval -7.28] [%clk 0:01:36] } 34... Nd6 { [%eval -7.18] [%clk 0:46:50] } 35. Qa5 { [%eval -18.54] [%clk 0:01:14] } 35... Rf2+ { [%eval -19.09] [%clk 0:46:58] } 0-1