Event: Round 8: Siem van Dael - Vignir Vatnar Stefansson
Date: 2021-11-03
White: Siem van Dael
WhiteTitle: FM
Black: Vignir Vatnar Stefansson
BlackTitle: IM
Result: 0-1
ECO: B33
Opening: Sicilian Defense: Open
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:29:15] } 1... c5 { [%eval 0.32] } 2. Nf3 { [%eval 0.0] } 2... Nc6 { [%eval 0.45] [%clk 1:29:02] } 3. d4 { [%eval 0.16] [%clk 1:29:39] } 3... cxd4 { [%eval 0.26] [%clk 1:29:26] } 4. Nxd4 { [%eval 0.0] } 4... Nf6 { [%eval 0.27] [%clk 1:29:48] } 5. Nc3 { [%eval 0.0] } 5... h5?! { [%eval 0.92] } { Inaccuracy. d6 was best. } 6. Bc4 { [%eval 0.64] [%clk 1:30:55] } 6... e6 { [%eval 0.8] [%clk 1:29:48] } 7. Bf4 { [%eval 0.44] [%clk 1:31:41] } 7... Bc5 { [%eval 0.89] } 8. Ndb5 { [%eval 0.88] } 8... O-O { [%eval 0.83] [%clk 1:29:47] } 9. Bc7 { [%eval 0.89] [%clk 1:32:02] } 9... Qe7 { [%eval 0.66] [%clk 1:30:12] } 10. Bd6 { [%eval 0.62] [%clk 1:31:21] } 10... Bxd6 { [%eval 1.07] [%clk 1:30:36] } 11. Nxd6 { [%eval 0.61] [%clk 1:31:17] } 11... a6?! { [%eval 1.2] } { Inaccuracy. Ne8 was best. } { [%clk 1:29:16] } 12. O-O { [%eval 0.98] [%clk 1:20:36] } 12... h4 { [%eval 1.05] } 13. Kh1?! { [%eval 0.07] } { Inaccuracy. Bb3 was best. } { [%clk 1:11:25] } 13... b5 { [%eval 0.21] [%clk 1:18:28] } 14. Bb3 { [%eval 0.28] [%clk 1:11:12] } 14... Ne8 { [%eval 0.21] [%clk 1:17:32] } 15. Nxe8 { [%eval 0.29] [%clk 1:11:11] } 15... Rxe8 { [%eval 0.01] [%clk 1:17:57] } 16. f4 { [%eval -0.48] [%clk 1:11:36] } 16... Bb7 { [%eval -0.4] [%clk 1:17:58] } 17. Qd3 { [%eval -0.83] [%clk 1:08:37] } 17... Rad8 { [%eval -0.38] [%clk 1:06:52] } 18. Rad1 { [%eval -0.44] [%clk 1:08:04] } 18... d6?! { [%eval 0.31] } { Inaccuracy. b4 was best. } { [%clk 1:05:13] } 19. a3 { [%eval -0.19] [%clk 1:06:15] } 19... Qf6?! { [%eval 0.71] } { Inaccuracy. Na5 was best. } { [%clk 1:03:17] } 20. Qh3?! { [%eval -0.29] } { Inaccuracy. f5 was best. } { [%clk 0:36:31] } 20... Qh6 { [%eval -0.18] [%clk 1:02:06] } 21. Qg4 { [%eval -0.01] [%clk 0:35:12] } 21... Na5 { [%eval -0.12] [%clk 0:50:09] } 22. Ba2 { [%eval -0.07] [%clk 0:35:23] } 22... h3 { [%eval -0.11] [%clk 0:50:10] } 23. Rf3 { [%eval 0.09] [%clk 0:27:44] } 23... hxg2+ { [%eval -0.03] [%clk 0:50:31] } 24. Kg1 { [%eval -0.5] [%clk 0:28:10] } 24... Nc4 { [%eval -0.48] [%clk 0:47:40] } 25. b3?? { [%eval -3.71] } { Blunder. Bxc4 was best. } { [%clk 0:17:27] } 25... Nxa3 { [%eval -3.57] [%clk 0:43:32] } 26. Qxg2? { [%eval -5.88] } { Mistake. Rh3 was best. } { [%clk 0:16:35] } 26... b4 { [%eval -5.53] [%clk 0:41:46] } 27. Rh3 { [%eval -6.15] [%clk 0:15:41] } 27... Qxf4 { [%eval -6.14] [%clk 0:41:41] } 28. Rf1 { [%eval -6.16] [%clk 0:16:04] } 28... Qe5 { [%eval -6.07] [%clk 0:41:40] } 29. Qf2 { [%eval -6.25] [%clk 0:15:17] } 29... f6 { [%eval -6.46] [%clk 0:39:58] } 0-1