Event: Round 7: Longson, Alexander - Udovenko, Daniel
Date: 2025-04-05
White: Longson, Alexander
WhiteTitle: FM
WhiteElo: 2233
Black: Udovenko, Daniel
BlackElo: 2090
Result: 1/2-1/2
ECO: B54
Opening: Sicilian Defense: Modern Variations, Main Line
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:54] } 1... c5 { [%eval 0.25] [%clk 1:30:57] } 2. Nf3 { [%eval 0.2] [%clk 1:31:09] } 2... d6 { [%eval 0.25] [%clk 1:31:25] } 3. d4 { [%eval 0.22] [%clk 1:31:16] } 3... cxd4 { [%eval 0.19] [%clk 1:31:51] } 4. Nxd4 { [%eval 0.18] [%clk 1:31:38] } 4... Nf6 { [%eval 0.25] [%clk 1:32:18] } 5. Bd3 { [%eval 0.03] [%clk 1:31:58] } 5... a6 { [%eval 0.16] [%clk 1:31:27] } 6. c4 { [%eval 0.28] [%clk 1:31:27] } 6... g6 { [%eval 0.24] [%clk 1:29:15] } 7. Nc3 { [%eval 0.32] [%clk 1:29:08] } 7... Bg7 { [%eval 0.41] [%clk 1:29:31] } 8. O-O { [%eval 0.3] [%clk 1:27:00] } 8... O-O { [%eval 0.43] [%clk 1:29:35] } 9. h3 { [%eval 0.13] [%clk 1:24:55] } 9... Nc6 { [%eval 0.45] [%clk 1:26:38] } 10. Nde2 { [%eval 0.0] [%clk 1:24:30] } 10... Bd7 { [%eval 0.48] [%clk 1:03:29] } 11. Be3 { [%eval 0.0] [%clk 1:19:49] } 11... Ne5 { [%eval 0.0] [%clk 1:01:31] } 12. f4 { [%eval -0.05] [%clk 1:00:15] } 12... Nxd3 { [%eval -0.05] [%clk 1:01:00] } 13. Qxd3 { [%eval -0.08] [%clk 1:00:38] } 13... b5 { [%eval -0.09] [%clk 0:59:58] } 14. Nd4 { [%eval -0.36] [%clk 0:48:30] } 14... e5 { [%eval 0.09] [%clk 0:35:25] } 15. fxe5 { [%eval 0.16] [%clk 0:30:47] } 15... dxe5 { [%eval 0.15] [%clk 0:35:07] } 16. Nf3?! { [%eval -0.48] } { Inaccuracy. Nb3 was best. } { [%clk 0:28:59] } 16... bxc4 { [%eval -0.48] [%clk 0:22:04] } 17. Qxc4 { [%eval -0.49] [%clk 0:27:18] } 17... Qb8 { [%eval -0.29] [%clk 0:19:42] } 18. Rf2 { [%eval -0.25] [%clk 0:24:57] } 18... Rc8 { [%eval -0.3] [%clk 0:16:04] } 1/2-1/2