Event: Round 5: John D M Nunn - Jan Rooze
Date: 2023-09-23
White: John D M Nunn
WhiteTitle: GM
WhiteElo: 2569
Black: Jan Rooze
BlackTitle: IM
BlackElo: 2244
Result: 1-0
ECO: B42
Opening: Sicilian Defense: Kan Variation, Polugaevsky Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:55] } 1... c5 { [%eval 0.32] [%clk 1:30:56] } 2. Nf3 { [%eval 0.0] [%clk 1:31:19] } 2... e6 { [%eval 0.34] [%clk 1:31:22] } 3. d4 { [%eval 0.42] [%clk 1:31:41] } 3... cxd4 { [%eval 0.33] [%clk 1:31:50] } 4. Nxd4 { [%eval 0.4] [%clk 1:32:04] } 4... a6 { [%eval 0.58] [%clk 1:32:16] } 5. Bd3 { [%eval 0.42] [%clk 1:31:53] } 5... Bc5 { [%eval 0.52] [%clk 1:32:39] } 6. Nb3 { [%eval 0.29] [%clk 1:32:01] } 6... Ba7 { [%eval 0.63] [%clk 1:33:03] } 7. Nc3 { [%eval 0.27] [%clk 1:30:24] } 7... Ne7 { [%eval 0.58] [%clk 1:27:48] } 8. Qh5 { [%eval 0.26] [%clk 1:24:08] } 8... d6 { [%eval 0.8] [%clk 1:21:04] } 9. Bg5 { [%eval 0.93] [%clk 1:20:50] } 9... Nbc6 { [%eval 1.1] [%clk 1:20:25] } 10. O-O-O { [%eval 0.95] [%clk 1:18:36] } 10... Qc7 { [%eval 0.71] [%clk 1:09:43] } 11. Rhe1 { [%eval 0.25] [%clk 1:12:04] } 11... Kf8?! { [%eval 1.34] } { Inaccuracy. Ng6 was best. } { [%clk 0:52:32] } 12. f4 { [%eval 1.27] [%clk 1:07:41] } 12... f6 { [%eval 1.24] [%clk 0:50:33] } 13. Rf1 { [%eval 1.27] [%clk 0:54:02] } 13... Bd7 { [%eval 1.09] [%clk 0:50:12] } 14. e5 { [%eval 1.27] [%clk 0:46:17] } 14... Be3+?! { [%eval 2.02] } { Inaccuracy. Be8 was best. } { [%clk 0:37:31] } 15. Kb1 { [%eval 1.91] [%clk 0:44:21] } 15... dxe5 { [%eval 1.71] [%clk 0:37:43] } 16. Ne4 { [%eval 2.21] [%clk 0:34:19] } 16... Be8 { [%eval 2.85] [%clk 0:16:59] } 17. Qh3 { [%eval 2.87] [%clk 0:32:42] } 17... exf4 { [%eval 2.75] [%clk 0:16:40] } 18. Nxf6 { [%eval 2.93] [%clk 0:27:53] } 18... Qe5 { [%eval 2.99] [%clk 0:12:15] } 19. Bxf4 { [%eval 2.76] [%clk 0:23:19] } 19... Bxf4 { [%eval 2.88] [%clk 0:12:23] } 20. Ng4 { [%eval 2.9] [%clk 0:23:44] } 20... Qc7 { [%eval 2.82] [%clk 0:10:09] } 21. g3 { [%eval 3.01] [%clk 0:23:24] } 21... Nd5 { [%eval 3.68] [%clk 0:09:19] } 22. gxf4 { [%eval 3.31] [%clk 0:23:06] } 22... Kg8? { [%eval 5.39] } { Mistake. h5 was best. } { [%clk 0:09:19] } 23. f5? { [%eval 3.3] } { Mistake. Nh6+ was best. } { [%clk 0:23:08] } 23... h5 { [%eval 3.64] [%clk 0:09:15] } 24. fxe6 { [%eval 3.29] [%clk 0:22:47] } 24... Nf4? { [%eval 5.78] } { Mistake. Qe7 was best. } { [%clk 0:07:16] } 25. Nf6+ { [%eval 5.86] [%clk 0:21:33] } 25... gxf6 { [%eval 5.94] [%clk 0:07:19] } 26. Qg3+ { [%eval 5.68] [%clk 0:21:58] } 26... Kf8 { [%eval 6.57] [%clk 0:07:23] } 27. Rxf4 { [%eval 6.49] [%clk 0:22:22] } 27... Qe7?! { [%eval 10.98] } { Inaccuracy. Qg7 was best. } { [%clk 0:05:21] } 28. Qg5 { [%eval 11.29] [%clk 0:21:35] } 1-0