Event: 31 year Kyiv Spring ? 2023
Site: Kyiv
Date: 2023-03-30
White: Prokofyev, Valentyn
WhiteElo: 2307
Black: Andreev, Eduard
BlackElo: 2413
Result: 0-1
ECO: E11
Opening: Bogo-Indian Defense: Grünfeld Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:58] } 1... Nf6 { [%eval 0.28] [%clk 1:30:52] } 2. c4 { [%eval 0.16] [%clk 1:31:26] } 2... e6 { [%eval 0.23] [%clk 1:31:14] } 3. Nf3 { [%eval 0.0] [%clk 1:31:54] } 3... Bb4+ { [%eval 0.43] [%clk 1:31:21] } 4. Nbd2 { [%eval 0.28] [%clk 1:32:21] } 4... O-O { [%eval 0.45] [%clk 1:31:20] } 5. a3 { [%eval 0.43] [%clk 1:32:50] } 5... Be7 { [%eval 0.62] [%clk 1:31:37] } 6. e4 { [%eval 0.32] [%clk 1:33:17] } 6... d6 { [%eval 0.67] [%clk 1:31:50] } 7. Be2 { [%eval 0.33] [%clk 1:33:05] } 7... Nbd7 { [%eval 0.84] [%clk 1:30:44] } 8. Qc2 { [%eval 0.7] [%clk 1:32:39] } 8... c5 { [%eval 0.66] [%clk 1:29:03] } 9. d5 { [%eval 0.75] [%clk 1:33:04] } 9... Ng4 { [%eval 0.77] [%clk 1:26:07] } 10. O-O { [%eval 0.9] [%clk 1:30:31] } 10... Bf6 { [%eval 0.79] [%clk 1:23:32] } 11. h3 { [%eval 0.76] [%clk 1:08:51] } 11... Nge5 { [%eval 0.79] [%clk 1:22:11] } 12. Nxe5 { [%eval 0.68] [%clk 1:06:20] } 12... Nxe5 { [%eval 0.73] [%clk 1:21:40] } 13. f4 { [%eval 0.69] [%clk 1:06:22] } 13... Ng6 { [%eval 0.78] [%clk 1:20:57] } 14. Nf3 { [%eval 0.45] [%clk 1:06:45] } 14... Nh4 { [%eval 0.68] [%clk 1:03:55] } 15. Nxh4?! { [%eval -0.05] } { Inaccuracy. Bd3 was best. } { [%clk 1:03:58] } 15... Bd4+ { [%eval 0.0] [%clk 1:03:46] } 16. Kh2 { [%eval 0.0] [%clk 1:03:19] } 16... Qxh4 { [%eval -0.01] [%clk 1:04:07] } 17. dxe6 { [%eval -0.22] [%clk 0:42:28] } 17... Bxe6 { [%eval -0.22] [%clk 0:57:31] } 18. a4 { [%eval -0.36] [%clk 0:30:27] } 18... f5 { [%eval -0.23] [%clk 0:45:31] } 19. Ra3 { [%eval -0.38] [%clk 0:24:59] } 19... Rae8 { [%eval -0.38] [%clk 0:40:48] } 20. Bf3 { [%eval -0.51] [%clk 0:23:07] } 20... Kh8 { [%eval -0.45] [%clk 0:38:31] } 21. g3 { [%eval -0.88] [%clk 0:15:53] } 21... Qh6 { [%eval -0.69] [%clk 0:20:40] } 22. exf5 { [%eval -1.13] [%clk 0:15:19] } 22... Bxf5 { [%eval -0.89] [%clk 0:21:04] } 23. Qg2 { [%eval -0.79] [%clk 0:15:45] } 23... Qg6 { [%eval -0.98] [%clk 0:19:33] } 24. b3?! { [%eval -1.79] } { Inaccuracy. Bd2 was best. } { [%clk 0:11:17] } 24... Bd3 { [%eval -1.98] [%clk 0:18:14] } 25. Rh1 { [%eval -1.71] [%clk 0:10:25] } 25... Be4?! { [%eval -0.7] } { Inaccuracy. Bc2 was best. } { [%clk 0:14:44] } 26. Ra2 { [%eval -0.94] [%clk 0:08:02] } 26... Bxf3 { [%eval -0.57] [%clk 0:11:42] } 27. Qxf3 { [%eval -0.55] [%clk 0:08:29] } 27... Re7 { [%eval -0.36] [%clk 0:12:02] } 28. Rf1 { [%eval -0.43] [%clk 0:07:07] } 28... Rfe8 { [%eval -0.35] [%clk 0:10:30] } 29. f5 { [%eval -0.44] [%clk 0:04:29] } 29... Qf6 { [%eval -0.18] [%clk 0:10:56] } 30. Rg2 { [%eval -0.52] [%clk 0:04:56] } 30... b6 { [%eval -0.12] [%clk 0:10:55] } 31. Bd2 { [%eval -0.42] [%clk 0:04:41] } 31... h6 { [%eval -0.3] [%clk 0:09:42] } 32. g4?? { [%eval -3.06] } { Blunder. Qh5 was best. } { [%clk 0:02:03] } 32... Re3 { [%eval -3.01] [%clk 0:07:14] } 33. Bxe3 { [%eval -3.5] [%clk 0:00:57] } 33... Rxe3 { [%eval -4.25] [%clk 0:07:38] } 34. Qa8+ { [%eval -3.38] [%clk 0:00:38] } 34... Kh7 { [%eval -3.75] [%clk 0:08:03] } 35. Rf3?! { [%eval -4.75] } { Inaccuracy. Rgf2 was best. } { [%clk 0:00:37] } 35... Qe5+ { [%eval -5.69] [%clk 0:02:09] } 36. Rfg3 { [%eval -4.12] [%clk 0:01:05] } 36... Rxb3 { [%eval -5.63] [%clk 0:02:20] } 37. Qd5 { [%eval -5.73] [%clk 0:01:08] } 37... Qxd5 { [%eval -5.94] [%clk 0:02:28] } 0-1