Event: Round 7: Valentyn Prokofiev - Mikhail Tobak
Date: 2021-09-28
White: Valentyn Prokofiev
Black: Mikhail Tobak
Result: 1-0
ECO: E41
Opening: Nimzo-Indian Defense: Rubinstein System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:59] } 1... Nf6 { [%eval 0.27] [%clk 1:30:53] } 2. c4 { [%eval 0.11] [%clk 1:31:23] } 2... e6 { [%eval 0.39] [%clk 1:31:19] } 3. Nc3 { [%eval 0.0] [%clk 1:31:51] } 3... Bb4 { [%eval 0.25] [%clk 1:31:40] } 4. e3 { [%eval 0.02] [%clk 1:32:18] } 4... c5 { [%eval 0.25] [%clk 1:31:44] } 5. Bd3 { [%eval 0.09] [%clk 1:24:46] } 5... Bxc3+?! { [%eval 0.71] } { Inaccuracy. d5 was best. } { [%clk 1:29:36] } 6. bxc3 { [%eval 0.52] [%clk 1:25:11] } 6... d6 { [%eval 0.56] [%clk 1:29:54] } 7. Ne2 { [%eval 0.54] [%clk 1:25:09] } 7... Nc6 { [%eval 0.59] [%clk 1:30:11] } 8. O-O { [%eval 0.56] [%clk 1:23:38] } 8... O-O { [%eval 0.69] [%clk 1:30:21] } 9. Ng3 { [%eval 0.46] [%clk 1:19:04] } 9... e5?! { [%eval 1.12] } { Inaccuracy. Re8 was best. } { [%clk 1:27:01] } 10. d5 { [%eval 0.89] [%clk 1:17:13] } 10... Ne7 { [%eval 0.92] [%clk 1:25:30] } 11. f4 { [%eval 0.96] [%clk 1:17:21] } 11... exf4 { [%eval 0.73] [%clk 1:23:14] } 12. exf4 { [%eval 0.94] [%clk 1:17:46] } 12... Ng6?? { [%eval 2.79] } { Blunder. b5 was best. } { [%clk 1:20:50] } 13. f5 { [%eval 2.26] [%clk 1:18:02] } 13... Ne5 { [%eval 2.5] [%clk 1:20:49] } 14. Bg5 { [%eval 2.21] [%clk 1:18:28] } 14... h6 { [%eval 2.54] [%clk 1:12:52] } 15. Bxf6 { [%eval 2.2] [%clk 1:18:49] } 15... Qxf6 { [%eval 1.9] [%clk 1:06:12] } 16. Ne4 { [%eval 1.69] [%clk 1:19:14] } 16... Qh4 { [%eval 1.95] [%clk 1:06:01] } 17. Nxd6 { [%eval 1.75] [%clk 1:19:20] } 17... Rd8 { [%eval 1.76] [%clk 1:03:20] } 18. Ne4 { [%eval 1.59] [%clk 0:52:05] } 18... Nxc4? { [%eval 3.34] } { Mistake. Re8 was best. } { [%clk 0:55:38] } 19. g3 { [%eval 3.23] [%clk 0:52:33] } 19... Qe7 { [%eval 3.03] [%clk 0:55:58] } 20. f6 { [%eval 3.21] [%clk 0:53:02] } 20... Qe5 { [%eval 2.81] [%clk 0:55:00] } 21. fxg7? { [%eval 1.2] } { Mistake. Qf3 was best. } { [%clk 0:53:28] } 21... Nb2?? { [%eval 6.37] } { Blunder. Ne3 was best. } { [%clk 0:49:20] } 22. Qe2? { [%eval 3.86] } { Mistake. Qd2 was best. } { [%clk 0:53:05] } 22... f5 { [%eval 4.24] [%clk 0:44:33] } 23. Qxb2 { [%eval 4.43] [%clk 0:07:05] } 23... fxe4 { [%eval 4.75] [%clk 0:44:28] } 24. Rf8+? { [%eval 2.71] } { Mistake. Rae1 was best. } { [%clk 0:07:34] } 24... Rxf8 { [%eval 2.67] [%clk 0:43:37] } 25. gxf8=Q+ { [%eval 2.86] [%clk 0:07:53] } 25... Kxf8 { [%eval 2.81] [%clk 0:43:56] } 26. Rf1+ { [%eval 3.13] [%clk 0:08:20] } 26... Kg8?! { [%eval 4.07] } { Inaccuracy. Kg7 was best. } { [%clk 0:36:48] } 27. Bc4 { [%eval 4.29] [%clk 0:07:59] } 27... b6?! { [%eval 6.86] } { Inaccuracy. Kg7 was best. } { [%clk 0:31:07] } 28. d6+ { [%eval 7.17] [%clk 0:06:32] } 28... Be6 { [%eval 7.22] [%clk 0:29:58] } 29. Qb3 { [%eval 7.54] [%clk 0:07:00] } 29... Bxc4 { [%eval 7.84] [%clk 0:29:54] } 30. Qxc4+ { [%eval 7.98] [%clk 0:07:28] } 30... Kh8 { [%eval 8.07] [%clk 0:29:24] } 31. d7 { [%eval 8.22] [%clk 0:05:54] } 31... e3 { [%eval 8.48] [%clk 0:20:52] } 32. Qd3 { [%eval 8.31] [%clk 0:04:56] } 32... Qe7 { [%eval 8.61] [%clk 0:18:53] } 33. Qd5 { [%eval 8.65] [%clk 0:02:59] } 1-0