Event: Biel International Chess Festival - Main Tournament
Site: Biel, Switzerland
Date: 2023-07-23
White: Long, Siyu
Black: Mamalis, Prokopios
Result: 1/2-1/2
ECO: B33
Opening: Sicilian Defense: Four Knights Variation, Cobra Variation
Variant: Standard
TimeControl: 90 min / 40 Z?ge + 30 Min / Rest + 30 Sek pro Zug

1. e4 { [%eval 0.36] [%clk 1:30:45] } 1... c5 { [%eval 0.32] [%clk 1:30:30] } 2. Nf3 { [%eval 0.0] [%clk 1:30:48] } 2... Nc6 { [%eval 0.0] [%clk 1:30:51] } 3. d4 { [%eval 0.33] [%clk 1:31:05] } 3... cxd4 { [%eval 0.38] [%clk 1:31:15] } 4. Nxd4 { [%eval 0.29] [%clk 1:31:30] } 4... Nf6 { [%eval 0.36] [%clk 1:31:38] } 5. Nc3 { [%eval 0.32] [%clk 1:31:41] } 5... e6 { [%eval 0.43] [%clk 1:32:01] } 6. Ndb5 { [%eval 0.32] [%clk 1:28:47] } 6... Bc5 { [%eval 0.48] [%clk 1:31:16] } 7. Bf4 { [%eval 0.13] [%clk 1:24:39] } 7... O-O { [%eval 0.4] [%clk 1:31:07] } 8. Bc7 { [%eval 0.43] [%clk 1:22:29] } 8... Qe7 { [%eval 0.54] [%clk 1:30:21] } 9. Bd6 { [%eval 0.58] [%clk 1:22:00] } 9... Bxd6 { [%eval 0.64] [%clk 1:30:41] } 10. Qxd6 { [%eval 0.71] [%clk 1:20:27] } 10... Ne8 { [%eval 0.77] [%clk 1:30:44] } 11. Qxe7 { [%eval 0.64] [%clk 1:20:22] } 11... Nxe7 { [%eval 0.75] [%clk 1:31:07] } 12. O-O-O { [%eval 0.83] [%clk 1:20:31] } 12... f5 { [%eval 0.81] [%clk 1:29:01] } 13. f3 { [%eval 0.66] [%clk 1:14:36] } 13... fxe4 { [%eval 0.73] [%clk 1:20:55] } 14. Nxe4 { [%eval 0.91] [%clk 1:08:34] } 14... d5 { [%eval 0.72] [%clk 1:18:31] } 15. Ned6 { [%eval 0.22] [%clk 1:07:07] } 15... Nxd6 { [%eval 0.65] [%clk 1:17:17] } 16. Nxd6 { [%eval 0.49] [%clk 1:07:28] } 16... Rd8 { [%eval 0.72] [%clk 1:15:51] } 17. Nxc8?! { [%eval 0.11] } { Inaccuracy. Ne4 was best. } { [%clk 1:04:41] } 17... Raxc8 { [%eval 0.04] [%clk 1:15:39] } 18. Bd3 { [%eval 0.13] [%clk 1:04:41] } 18... Nc6 { [%eval 0.36] [%clk 1:08:12] } 19. Rhe1 { [%eval 0.03] [%clk 1:02:17] } 19... Rd6 { [%eval 0.18] [%clk 1:07:50] } 20. f4 { [%eval 0.0] [%clk 1:00:08] } 20... a6 { [%eval 0.29] [%clk 1:00:03] } 21. Kb1 { [%eval 0.12] [%clk 0:51:54] } 21... b5 { [%eval 0.23] [%clk 0:54:45] } 22. Re3 { [%eval 0.03] [%clk 0:45:54] } 22... Rf8 { [%eval 0.27] [%clk 0:52:32] } 23. g3 { [%eval 0.1] [%clk 0:43:57] } 23... Rf6? { [%eval 1.53] } { Mistake. Kf7 was best. } { [%clk 0:51:03] } 24. a3?! { [%eval 0.5] } { Inaccuracy. c4 was best. } { [%clk 0:40:19] } 24... Rf8 { [%eval 0.5] [%clk 0:46:03] } 25. Rde1 { [%eval 0.66] [%clk 0:38:13] } 25... Kf7 { [%eval 0.59] [%clk 0:40:44] } 26. h4?! { [%eval 0.0] } { Inaccuracy. Bxh7 was best. } { [%clk 0:34:51] } 26... g6?! { [%eval 0.91] } { Inaccuracy. h5 was best. } { [%clk 0:34:56] } 27. h5 { [%eval 0.66] [%clk 0:33:12] } 27... Nd4 { [%eval 0.84] [%clk 0:31:41] } 1/2-1/2