Event: 35. Staufer Open 2025
Site: Schwaebisch Gmuend, Germany
Date: 2025-01-02
White: Korneev, Oleg
WhiteTitle: GM
WhiteElo: 2486
Black: Krockenberger, Martin
BlackTitle: FM
BlackElo: 2146
Result: 1-0
ECO: B44
Opening: Sicilian Defense: Taimanov Variation, Szén Variation
Variant: Standard
TimeControl: 100 Min / 40 moves + 20 Min. Rest + 30 sec per move

1. e4 { [%eval 0.18] [%clk 1:40:59] } 1... c5 { [%eval 0.25] [%clk 1:40:48] } 2. Nf3 { [%eval 0.2] [%clk 1:41:27] } 2... e6 { [%eval 0.28] [%clk 1:41:10] } 3. d4 { [%eval 0.4] [%clk 1:41:51] } 3... cxd4 { [%eval 0.29] [%clk 1:41:33] } 4. Nxd4 { [%eval 0.23] [%clk 1:42:20] } 4... Nc6 { [%eval 0.28] [%clk 1:41:54] } 5. Nb5 { [%eval 0.23] [%clk 1:41:52] } 5... d6 { [%eval 0.1] [%clk 1:41:54] } 6. Bf4 { [%eval 0.0] [%clk 1:42:20] } 6... e5 { [%eval 0.0] [%clk 1:41:26] } 7. Be3 { [%eval 0.0] [%clk 1:42:49] } 7... Nf6 { [%eval 0.04] [%clk 1:40:11] } 8. Bg5 { [%eval -0.11] [%clk 1:41:26] } 8... a6 { [%eval -0.01] [%clk 1:38:11] } 9. Bxf6 { [%eval -0.03] [%clk 1:41:40] } 9... gxf6 { [%eval 0.0] [%clk 1:38:28] } 10. N5c3 { [%eval -0.13] [%clk 1:42:09] } 10... Bg7 { [%eval 0.41] [%clk 1:29:55] } 11. Nd2 { [%eval 0.44] [%clk 1:34:00] } 11... O-O { [%eval 0.82] [%clk 1:18:31] } 12. Nc4?! { [%eval -0.08] } { Inaccuracy. Qh5 was best. } { [%clk 1:19:41] } 12... Nd4? { [%eval 1.04] } { Mistake. f5 was best. } { [%clk 1:17:46] } 13. Nd5 { [%eval 1.11] [%clk 1:19:12] } 13... b5?! { [%eval 2.0] } { Inaccuracy. f5 was best. } { [%clk 1:15:00] } 14. Ncb6 { [%eval 1.82] [%clk 1:18:05] } 14... Rb8 { [%eval 1.88] [%clk 1:14:24] } 15. Nxc8 { [%eval 1.86] [%clk 1:17:41] } 15... Rxc8 { [%eval 2.08] [%clk 1:14:46] } 16. c3 { [%eval 2.17] [%clk 1:18:04] } 16... Nc6 { [%eval 2.12] [%clk 1:10:35] } 17. a4?! { [%eval 1.04] } { Inaccuracy. Qh5 was best. } { [%clk 1:01:58] } 17... Ne7 { [%eval 1.02] [%clk 1:00:43] } 18. axb5 { [%eval 0.92] [%clk 0:53:06] } 18... axb5 { [%eval 0.96] [%clk 0:59:39] } 19. Bxb5 { [%eval 1.04] [%clk 0:38:11] } 19... Nxd5 { [%eval 0.96] [%clk 0:55:00] } 20. exd5 { [%eval 0.42] [%clk 0:38:06] } 20... f5 { [%eval 0.38] [%clk 0:45:57] } 21. Qh5 { [%eval 0.51] [%clk 0:34:56] } 21... Rc5 { [%eval 0.63] [%clk 0:45:27] } 22. c4 { [%eval 0.78] [%clk 0:34:07] } 22... Qc8?? { [%eval 2.63] } { Blunder. e4 was best. } { [%clk 0:44:08] } 23. O-O { [%eval 2.68] [%clk 0:32:12] } 23... e4 { [%eval 3.02] [%clk 0:43:21] } 24. Ra7 { [%eval 2.36] [%clk 0:26:19] } 24... f4 { [%eval 2.29] [%clk 0:38:36] } 25. Re7 { [%eval 2.13] [%clk 0:25:52] } 1-0