Event: Biel International Chess Festival - Main Tournament
Site: Biel, Switzerland
Date: 2023-07-25
White: Mamalis, Prokopios
Black: Oestmann, Lukas
Result: 0-1
ECO: B23
Opening: Sicilian Defense: Closed
Variant: Standard
TimeControl: 90 min / 40 Z?ge + 30 Min / Rest + 30 Sek pro Zug

1. e4 { [%eval 0.36] [%clk 1:30:42] } 1... c5 { [%eval 0.32] [%clk 1:30:58] } 2. Nc3 { [%eval 0.24] [%clk 1:31:02] } 2... e6 { [%eval 0.45] [%clk 1:31:14] } 3. d4 { [%eval 0.0] [%clk 1:31:24] } 3... cxd4 { [%eval 0.0] [%clk 1:31:42] } 4. Qxd4 { [%eval 0.0] [%clk 1:31:44] } 4... Nc6 { [%eval 0.19] [%clk 1:32:04] } 5. Qd3 { [%eval -0.01] [%clk 1:32:06] } 5... a6 { [%eval 0.15] [%clk 1:32:22] } 6. Bf4?! { [%eval -0.4] } { Inaccuracy. Qg3 was best. } { [%clk 1:32:25] } 6... b5 { [%eval -0.32] [%clk 1:24:20] } 7. O-O-O { [%eval -0.61] [%clk 1:32:12] } 7... Be7?? { [%eval 1.21] } { Blunder. Bb7 was best. } { [%clk 1:20:22] } 8. Qg3 { [%eval 1.34] [%clk 1:27:07] } 8... Nf6?! { [%eval 2.34] } { Inaccuracy. g6 was best. } { [%clk 1:06:36] } 9. Bc7 { [%eval 2.3] [%clk 1:25:18] } 9... Nh5 { [%eval 2.25] [%clk 1:07:01] } 10. Bxd8 { [%eval 2.5] [%clk 1:25:24] } 10... Nxg3 { [%eval 2.52] [%clk 1:07:24] } 11. Bxe7 { [%eval 2.44] [%clk 1:25:46] } 11... Nxh1 { [%eval 2.41] [%clk 1:07:47] } 12. Bc5 { [%eval 2.39] [%clk 1:26:02] } 12... Bb7 { [%eval 2.31] [%clk 1:03:35] } 13. g3?! { [%eval 1.29] } { Inaccuracy. Nh3 was best. } { [%clk 1:12:41] } 13... Rc8 { [%eval 1.39] [%clk 0:59:16] } 14. Bg2?! { [%eval 0.68] } { Inaccuracy. Nh3 was best. } { [%clk 1:10:41] } 14... Ne5 { [%eval 0.72] [%clk 0:57:32] } 15. Bd4 { [%eval 0.62] [%clk 1:10:44] } 15... Nxf2 { [%eval 0.56] [%clk 0:55:02] } 16. Bxf2 { [%eval 0.52] [%clk 1:10:36] } 16... Ng4 { [%eval 0.51] [%clk 0:49:48] } 17. Bd4 { [%eval 0.43] [%clk 1:10:43] } 17... Nxh2 { [%eval 0.41] [%clk 0:40:04] } 18. Bxg7 { [%eval 0.06] [%clk 0:59:59] } 18... Rg8 { [%eval 0.1] [%clk 0:40:29] } 19. Be5 { [%eval 0.19] [%clk 1:00:14] } 19... Ng4 { [%eval 0.1] [%clk 0:40:16] } 20. Bd4 { [%eval 0.0] [%clk 0:59:03] } 20... f5 { [%eval 0.39] [%clk 0:36:26] } 21. Nge2 { [%eval 0.19] [%clk 0:52:32] } 21... b4 { [%eval 0.22] [%clk 0:31:07] } 22. Na4 { [%eval 0.05] [%clk 0:52:33] } 22... Bxe4 { [%eval 0.39] [%clk 0:30:03] } 23. Bxe4 { [%eval 0.4] [%clk 0:52:51] } 23... fxe4 { [%eval 0.43] [%clk 0:30:31] } 24. Nc5 { [%eval 0.28] [%clk 0:51:06] } 24... e3 { [%eval 0.6] [%clk 0:27:40] } 25. Nxa6?! { [%eval 0.0] } { Inaccuracy. Ne4 was best. } { [%clk 0:50:00] } 25... e5 { [%eval 0.0] [%clk 0:25:43] } 26. Ba7?? { [%eval -2.05] } { Blunder. Bb6 was best. } { [%clk 0:50:19] } 26... b3 { [%eval -2.08] [%clk 0:24:54] } 27. axb3 { [%eval -1.92] [%clk 0:50:12] } 27... Rg6 { [%eval -2.23] [%clk 0:21:49] } 28. Rd3?? { [%eval -4.93] } { Blunder. Nb4 was best. } { [%clk 0:44:46] } 28... Rxa6 { [%eval -4.85] [%clk 0:21:24] } 29. Bxe3 { [%eval -4.98] [%clk 0:45:10] } 29... e4 { [%eval -5.01] [%clk 0:21:07] } 0-1