Event: 35. Staufer Open 2025
Site: Schwaebisch Gmuend, Germany
Date: 2025-01-02
White: Riehle, Marco
WhiteTitle: FM
WhiteElo: 2388
Black: Naumann, Axel
BlackElo: 2131
Result: 1-0
ECO: B33
Opening: Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation
Variant: Standard
TimeControl: 100 Min / 40 moves + 20 Min. Rest + 30 sec per move

1. e4 { [%eval 0.18] [%clk 1:40:54] } 1... c5 { [%eval 0.25] [%clk 1:40:48] } 2. Nf3 { [%eval 0.2] [%clk 1:41:19] } 2... Nc6 { [%eval 0.25] [%clk 1:41:09] } 3. d4 { [%eval 0.27] [%clk 1:41:41] } 3... cxd4 { [%eval 0.35] [%clk 1:41:35] } 4. Nxd4 { [%eval 0.21] [%clk 1:42:07] } 4... Nf6 { [%eval 0.19] [%clk 1:41:40] } 5. Nc3 { [%eval 0.26] [%clk 1:42:29] } 5... e5 { [%eval 0.34] [%clk 1:42:00] } 6. Ndb5 { [%eval 0.29] [%clk 1:42:16] } 6... d6 { [%eval 0.34] [%clk 1:42:15] } 7. Bg5 { [%eval 0.29] [%clk 1:41:55] } 7... a6 { [%eval 0.33] [%clk 1:42:39] } 8. Na3 { [%eval 0.35] [%clk 1:41:12] } 8... b5 { [%eval 0.28] [%clk 1:43:03] } 9. Nd5 { [%eval 0.2] [%clk 1:40:21] } 9... Qa5+ { [%eval 0.7] [%clk 1:42:02] } 10. Bd2 { [%eval 0.65] [%clk 1:40:01] } 10... Qd8 { [%eval 0.76] [%clk 1:43:47] } 11. Bd3 { [%eval 0.67] [%clk 1:28:17] } 11... Be6?! { [%eval 1.5] } { Inaccuracy. Rb8 was best. } { [%clk 1:36:24] } 12. c4 { [%eval 1.49] [%clk 1:20:05] } 12... Be7 { [%eval 1.94] [%clk 1:23:55] } 13. O-O? { [%eval 0.7] } { Mistake. cxb5 was best. } { [%clk 1:07:56] } 13... bxc4 { [%eval 0.72] [%clk 1:16:21] } 14. Nxc4 { [%eval 0.76] [%clk 1:05:28] } 14... Nxd5?? { [%eval 3.48] } { Blunder. O-O was best. } { [%clk 1:03:30] } 15. exd5 { [%eval 3.54] [%clk 1:02:45] } 15... Bxd5 { [%eval 3.58] [%clk 1:03:13] } 16. Qa4 { [%eval 3.21] [%clk 1:00:58] } 16... Qc7?! { [%eval 4.84] } { Inaccuracy. O-O was best. } { [%clk 0:54:12] } 17. Ba5 { [%eval 4.71] [%clk 0:58:48] } 17... Qb7 { [%eval 4.62] [%clk 0:54:12] } 18. Nb6 { [%eval 5.04] [%clk 0:59:03] } 18... Bxg2 { [%eval 5.68] [%clk 0:52:15] } 19. Kxg2 { [%eval 5.66] [%clk 0:59:24] } 19... O-O { [%eval 5.63] [%clk 0:52:37] } 20. Be4 { [%eval 5.65] [%clk 0:59:46] } 1-0