Event: SixDays Budapest March 2025 GM A
Site: Budapest
Date: 2025-03-25
White: Berczes, David
WhiteTitle: GM
WhiteElo: 2408
Black: Ostrovskiy, Aleksandr
BlackTitle: IM
BlackElo: 2394
Result: 1/2-1/2
ECO: E11
Opening: Bogo-Indian Defense: Retreat Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:17:04] } 1... d5 { [%eval 0.2] [%clk 1:28:16] } 2. Nf3 { [%eval 0.08] [%clk 1:17:22] } 2... Nf6 { [%eval 0.11] [%clk 1:28:29] } 3. c4 { [%eval 0.22] [%clk 1:17:47] } 3... e6 { [%eval 0.17] [%clk 1:28:53] } 4. g3 { [%eval 0.1] [%clk 1:18:10] } 4... Bb4+ { [%eval 0.13] [%clk 1:25:57] } 5. Bd2 { [%eval 0.13] [%clk 1:15:37] } 5... Be7 { [%eval 0.22] [%clk 1:25:42] } 6. Bg2 { [%eval 0.07] [%clk 1:16:01] } 6... O-O { [%eval 0.13] [%clk 1:26:03] } 7. O-O { [%eval 0.1] [%clk 1:16:15] } 7... Nbd7 { [%eval 0.14] [%clk 1:26:00] } 8. Qb3 { [%eval 0.04] [%clk 1:06:17] } 8... a5 { [%eval 0.1] [%clk 1:23:52] } 9. Bf4 { [%eval -0.04] [%clk 1:04:27] } 9... c6 { [%eval 0.12] [%clk 1:09:37] } 10. Rd1 { [%eval 0.08] [%clk 1:01:29] } 10... a4 { [%eval 0.03] [%clk 1:01:58] } 11. Qc2 { [%eval 0.08] [%clk 1:00:23] } 11... h6 { [%eval 0.12] [%clk 1:02:16] } 12. h4 { [%eval -0.01] [%clk 0:57:48] } 12... Qa5 { [%eval 0.25] [%clk 0:49:16] } 13. Nc3?! { [%eval -0.54] } { Inaccuracy. Nbd2 was best. } { [%clk 0:31:15] } 13... dxc4 { [%eval -0.77] [%clk 0:45:25] } 14. a3 { [%eval -0.94] [%clk 0:29:25] } 14... b5 { [%eval -0.84] [%clk 0:25:09] } 15. e4 { [%eval -0.8] [%clk 0:27:20] } 15... Bb7 { [%eval -0.89] [%clk 0:23:50] } 16. Bh3 { [%eval -1.44] [%clk 0:14:07] } 16... Rfe8?! { [%eval -0.73] } { Inaccuracy. c5 was best. } { [%clk 0:14:51] } 17. Bd2? { [%eval -2.25] } { Mistake. e5 was best. } { [%clk 0:02:08] } 17... Qa6?! { [%eval -1.53] } { Inaccuracy. c5 was best. } { [%clk 0:13:32] } 18. g4 { [%eval -1.65] [%clk 0:00:36] } 18... Nh7 { [%eval -1.43] [%clk 0:08:34] } 19. g5 { [%eval -1.54] [%clk 0:00:36] } 19... hxg5 { [%eval -1.52] [%clk 0:08:55] } 20. hxg5 { [%eval -1.51] [%clk 0:01:03] } 20... Nhf8 { [%eval -1.55] [%clk 0:09:11] } 21. Be3 { [%eval -1.62] [%clk 0:01:00] } 21... Rad8 { [%eval -1.55] [%clk 0:05:19] } 22. Bf4 { [%eval -1.82] [%clk 0:00:35] } 22... Ng6 { [%eval -1.86] [%clk 0:03:23] } 23. Bc7 { [%eval -1.78] [%clk 0:00:55] } 23... Rc8 { [%eval -1.8] [%clk 0:03:42] } 24. Bg3 { [%eval -1.65] [%clk 0:01:22] } 24... Rcd8 { [%eval -1.75] [%clk 0:01:58] } 25. Bc7 { [%eval -1.81] [%clk 0:01:41] } 25... Rc8 { [%eval -1.72] [%clk 0:02:24] } 26. Bg3 { [%eval -1.73] [%clk 0:02:08] } 26... Rcd8?? { [%eval 0.0] } { Blunder. Ndf8 was best. } { [%clk 0:01:08] } 1/2-1/2