Event: Stavanger Chess Challenge – Round 9: Isak Sjoberg - Mathias Unneland
Date: 2020-07-10
White: Isak Sjoberg
Black: Mathias Unneland
Result: 0-1
ECO: B33
Opening: Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation
Variant: Standard

1. e4 { [%eval 0.0] [%clk 1:30:58] } 1... c5 { [%eval 0.2] [%clk 1:30:34] } 2. Nf3 { [%eval 0.0] [%clk 1:31:22] } 2... Nc6 { [%eval 0.0] [%clk 1:30:39] } 3. d4 { [%eval 0.15] [%clk 1:31:48] } 3... cxd4 { [%eval 0.0] [%clk 1:30:59] } 4. Nxd4 { [%eval 0.08] [%clk 1:30:49] } 4... Nf6 { [%eval 0.0] [%clk 1:31:16] } 5. Nc3 { [%eval 0.23] [%clk 1:31:14] } 5... e5 { [%eval 0.38] [%clk 1:31:23] } 6. Ndb5 { [%eval 0.28] [%clk 1:31:40] } 6... d6 { [%eval 0.33] [%clk 1:31:46] } 7. Bg5 { [%eval 0.2] [%clk 1:32:05] } 7... a6 { [%eval 0.2] [%clk 1:32:04] } 8. Na3 { [%eval 0.39] [%clk 1:32:31] } 8... b5 { [%eval 0.48] [%clk 1:32:27] } 9. Nd5 { [%eval 0.48] [%clk 1:32:57] } 9... Be7 { [%eval 0.44] [%clk 1:32:43] } 10. Bxf6 { [%eval 0.43] [%clk 1:33:21] } 10... Bxf6 { [%eval 0.34] [%clk 1:33:05] } 11. c3 { [%eval 0.31] [%clk 1:33:46] } 11... O-O { [%eval 0.26] [%clk 1:33:00] } 12. Nc2 { [%eval 0.23] [%clk 1:34:11] } 12... Rb8 { [%eval 0.4] [%clk 1:33:08] } 13. h4 { [%eval 0.29] [%clk 1:33:56] } 13... g6 { [%eval 0.28] [%clk 1:33:18] } 14. g3 { [%eval 0.36] [%clk 1:18:14] } 14... Bg7 { [%eval 0.32] [%clk 1:32:59] } 15. h5 { [%eval 0.41] [%clk 1:15:57] } 15... Ne7 { [%eval 0.34] [%clk 1:29:27] } 16. hxg6 { [%eval 0.35] [%clk 1:10:23] } 16... hxg6 { [%eval 0.37] [%clk 1:28:11] } 17. Ncb4 { [%eval 0.29] [%clk 1:08:19] } 17... Bb7 { [%eval 0.26] [%clk 1:28:02] } 18. Qg4? { [%eval -1.09] } { Mistake. Be2 was best. } { [%clk 0:51:05] } 18... Nxd5 { [%eval -1.02] [%clk 1:24:26] } 19. exd5 { [%eval -1.33] [%clk 0:51:29] } 19... Re8 { [%eval -0.87] [%clk 1:21:56] } 20. Bg2 { [%eval -1.24] [%clk 0:50:53] } 20... e4 { [%eval -0.71] [%clk 1:19:39] } 21. O-O-O?? { [%eval -2.79] } { Blunder. Kf1 was best. } { [%clk 0:45:40] } 21... a5 { [%eval -2.66] [%clk 1:17:01] } 22. Nc6 { [%eval -2.69] [%clk 0:42:14] } 22... Bxc6 { [%eval -2.51] [%clk 1:16:40] } 23. dxc6 { [%eval -2.75] [%clk 0:42:39] } 23... b4 { [%eval -2.66] [%clk 1:08:56] } 24. c4?? { [%eval -7.08] } { Blunder. Bxe4 was best. } { [%clk 0:33:37] } 24... b3 { [%eval -6.79] [%clk 1:07:23] } 25. a3 { [%eval -7.44] [%clk 0:25:52] } 25... Bxb2+ { [%eval -7.05] [%clk 1:06:46] } 26. Kb1 { [%eval -6.69] [%clk 0:26:20] } 26... Bg7 { [%eval -6.51] [%clk 1:05:25] } 27. Qh4?! { [%eval -10.68] } { Inaccuracy. Qf4 was best. } { [%clk 0:26:45] } 27... Qb6 { [%eval -9.47] [%clk 1:01:56] } 28. Bxe4 { [%eval -22.33] [%clk 0:26:55] } 28... Rxe4 { [%eval -20.31] [%clk 1:00:36] } 29. c7 { [%eval -27.5] [%clk 0:25:31] } 29... Rxh4 { [%eval -20.74] [%clk 0:59:43] } 30. cxb8=Q+ { [%eval -19.08] [%clk 0:25:54] } 30... Qxb8 { [%eval -18.34] [%clk 1:00:05] } 31. Rxh4 { [%eval -17.88] [%clk 0:26:22] } 31... Qb6 { [%eval -15.06] [%clk 1:00:11] } 0-1