Event: Round 8: Heider, Martin - Ollenberger, Roland
Date: 2025-06-15
White: Heider, Martin
WhiteElo: 2427
Black: Ollenberger, Roland
BlackTitle: FM
BlackElo: 2264
Result: 1-0
ECO: A04
Opening: Zukertort Opening: Sicilian Invitation
Variant: Standard
TimeControl: 15+10

1. Nf3 { [%eval 0.1] [%clk 0:15:19] } 1... c5 { [%eval 0.25] [%clk 0:15:18] } 2. b3 { [%eval -0.03] [%clk 0:15:28] } 2... Nc6 { [%eval 0.0] [%clk 0:15:23] } 3. Bb2 { [%eval 0.02] [%clk 0:15:38] } 3... e6 { [%eval 0.13] [%clk 0:15:26] } 4. g3 { [%eval 0.0] [%clk 0:15:33] } 4... f5?! { [%eval 0.9] } { Inaccuracy. Nf6 was best. } { [%clk 0:14:32] } 5. Bg2 { [%eval 0.64] [%clk 0:15:40] } 5... Nf6 { [%eval 0.79] [%clk 0:14:41] } 6. c4 { [%eval 0.85] [%clk 0:15:43] } 6... Be7 { [%eval 0.72] [%clk 0:14:21] } 7. O-O { [%eval 0.82] [%clk 0:15:48] } 7... O-O { [%eval 0.81] [%clk 0:14:23] } 8. d4 { [%eval 0.86] [%clk 0:15:57] } 8... cxd4 { [%eval 0.92] [%clk 0:13:34] } 9. Nxd4 { [%eval 0.8] [%clk 0:16:06] } 9... a6 { [%eval 0.93] [%clk 0:13:23] } 10. Nc3 { [%eval 0.97] [%clk 0:16:12] } 10... Qc7 { [%eval 1.15] [%clk 0:13:25] } 11. Rc1 { [%eval 1.25] [%clk 0:16:10] } 11... Bc5 { [%eval 1.55] [%clk 0:12:16] } 12. Na4 { [%eval 1.53] [%clk 0:13:28] } 12... Be7?! { [%eval 2.49] } { Inaccuracy. Nxd4 was best. } { [%clk 0:12:08] } 13. c5 { [%eval 2.57] [%clk 0:13:22] } 13... Nb4 { [%eval 3.04] [%clk 0:11:57] } 14. a3 { [%eval 2.9] [%clk 0:13:05] } 14... Nbd5? { [%eval 4.79] } { Mistake. Nc6 was best. } { [%clk 0:12:04] } 15. Nxf5 { [%eval 4.82] [%clk 0:12:54] } 15... exf5 { [%eval 4.78] [%clk 0:11:47] } 16. Bxd5+ { [%eval 4.74] [%clk 0:13:02] } 16... Nxd5 { [%eval 5.51] [%clk 0:11:24] } 17. Qxd5+ { [%eval 5.55] [%clk 0:13:07] } 17... Kh8 { [%eval 5.4] [%clk 0:11:33] } 18. Nb6 { [%eval 5.48] [%clk 0:12:42] } 18... Rb8 { [%eval 6.69] [%clk 0:11:41] } 19. Be5 { [%clk 0:12:40] } 19... Ra8 { [%clk 0:11:39] } 1-0