Event: Tata Steel Chess Qualifiers
Site: Wijk aan Zee, Netherlands
Date: 2020-01-18
White: Slingerland, Fred
Black: Vogel, Roven
Result: 0-1
ECO: B92
Opening: Sicilian Defense: Najdorf Variation, Opocensky Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:40:59] } 1... c5 { [%eval 0.2] [%clk 1:40:32] } 2. Nf3 { [%eval 0.21] [%clk 1:41:22] } 2... d6 { [%eval 0.26] [%clk 1:40:53] } 3. d4 { [%eval 0.17] [%clk 1:41:47] } 3... cxd4 { [%eval 0.16] [%clk 1:41:17] } 4. Nxd4 { [%eval 0.11] [%clk 1:42:13] } 4... Nf6 { [%eval 0.37] [%clk 1:41:36] } 5. Nc3 { [%eval 0.25] [%clk 1:42:37] } 5... a6 { [%eval 0.29] [%clk 1:41:57] } 6. Be2 { [%eval 0.0] [%clk 1:43:00] } 6... Nbd7 { [%eval 0.34] [%clk 1:41:40] } 7. Nb3?! { [%eval -0.17] } { Inaccuracy. Best move was O-O. } { [%clk 1:42:04] } 7... e6 { [%eval 0.14] [%clk 1:39:34] } 8. a4 { [%eval 0.14] [%clk 1:41:33] } 8... b6 { [%eval 0.38] [%clk 1:38:10] } 9. f4 { [%eval 0.0] [%clk 1:40:56] } 9... Bb7 { [%eval -0.1] [%clk 1:37:52] } 10. Bf3 { [%eval -0.1] [%clk 1:36:57] } 10... Be7 { [%eval -0.08] [%clk 1:35:16] } 11. O-O { [%eval -0.18] [%clk 1:36:22] } 11... Qc7 { [%eval -0.01] [%clk 1:31:43] } 12. Qd3 { [%eval -0.51] [%clk 1:35:17] } 12... h6 { [%eval -0.21] [%clk 1:24:24] } 13. Re1 { [%eval -0.26] [%clk 1:29:26] } 13... Rd8 { [%eval -0.25] [%clk 1:15:10] } 14. Qe2 { [%eval -0.29] [%clk 1:22:16] } 14... O-O { [%eval -0.25] [%clk 1:08:00] } 15. Be3 { [%eval -0.14] [%clk 1:11:30] } 15... d5 { [%eval 0.13] [%clk 1:06:02] } 16. exd5 { [%eval -0.37] [%clk 1:06:41] } 16... exd5 { [%eval -0.23] [%clk 1:06:01] } 17. Rad1?! { [%eval -0.98] } { Inaccuracy. Best move was Red1. } { [%clk 1:05:34] } 17... Bb4 { [%eval -1.03] [%clk 1:04:09] } 18. Qd3 { [%eval -1.32] [%clk 1:00:36] } 18... Nc5 { [%eval -1.05] [%clk 1:01:59] } 19. Nxc5? { [%eval -2.44] } { Mistake. Best move was Qd4. } { [%clk 0:56:01] } 19... bxc5 { [%eval -2.55] [%clk 1:01:41] } 20. Bd2 { [%eval -2.3] [%clk 0:53:47] } 20... d4 { [%eval -2.72] [%clk 0:45:22] } 21. Ne4 { [%eval -3.23] [%clk 0:51:46] } 21... Bxe4 { [%eval -3.41] [%clk 0:45:24] } 22. Bxe4 { [%eval -3.16] [%clk 0:52:01] } 22... c4 { [%eval -3.08] [%clk 0:45:45] } 23. Qe2? { [%eval -5.3] } { Mistake. Best move was Qf3. } { [%clk 0:38:56] } 23... Rfe8 { [%eval -4.27] [%clk 0:43:19] } 24. Bxb4 { [%eval -4.02] [%clk 0:31:47] } 24... Nxe4 { [%eval -3.44] [%clk 0:43:11] } 25. Qf3 { [%eval -4.24] [%clk 0:23:01] } 25... f5 { [%eval -3.72] [%clk 0:42:00] } 26. a5 { [%eval -4.02] [%clk 0:19:25] } 26... Rb8?! { [%eval -2.96] } { Inaccuracy. Best move was Qa7. } { [%clk 0:35:49] } 27. c3? { [%eval -5.86] } { Mistake. Best move was Ba3. } { [%clk 0:16:31] } 27... Qa7 { [%eval -5.69] [%clk 0:33:59] } 28. Kf1 { [%eval -5.72] [%clk 0:13:41] } 28... d3 { [%eval -5.34] [%clk 0:28:28] } 29. g3?! { [%eval -13.44] } { Inaccuracy. Best move was Qe3. } { [%clk 0:10:11] } 29... Nd2+ { [%eval -10.58] [%clk 0:24:34] } 0-1