Event: Round 7: Cas Roorda - Oscar Verwer
Date: 2023-05-04
White: Cas Roorda
Black: Oscar Verwer
Result: 1-0
ECO: B96
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:59] } 1... c5 { [%eval 0.32] [%clk 1:30:56] } 2. Nf3 { [%eval 0.0] [%clk 1:31:28] } 2... d6 { [%eval 0.0] [%clk 1:31:21] } 3. d4 { [%eval 0.25] [%clk 1:31:57] } 3... cxd4 { [%eval 0.13] [%clk 1:31:42] } 4. Nxd4 { [%eval 0.27] [%clk 1:32:24] } 4... Nf6 { [%eval 0.3] [%clk 1:32:03] } 5. Nc3 { [%eval 0.21] [%clk 1:32:53] } 5... a6 { [%eval 0.39] [%clk 1:32:24] } 6. Bg5 { [%eval 0.0] [%clk 1:33:19] } 6... e6 { [%eval 0.34] [%clk 1:32:41] } 7. f4 { [%eval 0.1] [%clk 1:33:47] } 7... h6 { [%eval 0.0] [%clk 1:32:56] } 8. Bh4 { [%eval 0.49] [%clk 1:34:13] } 8... Qb6 { [%eval 0.32] [%clk 1:33:06] } 9. a3 { [%eval 0.47] [%clk 1:34:34] } 9... e5? { [%eval 1.79] } { Mistake. Be7 was best. } { [%clk 1:32:07] } 10. Bxf6 { [%eval 1.85] [%clk 1:18:22] } 10... gxf6 { [%eval 1.86] [%clk 1:20:26] } 11. Nde2 { [%eval 1.7] [%clk 1:15:39] } 11... Nc6 { [%eval 1.87] [%clk 1:06:50] } 12. Nd5 { [%eval 2.11] [%clk 1:15:08] } 12... Qd8 { [%eval 2.13] [%clk 1:07:04] } 13. f5 { [%eval 2.07] [%clk 1:14:52] } 13... b5 { [%eval 1.89] [%clk 1:02:02] } 14. Ng3 { [%eval 1.7] [%clk 1:14:34] } 14... Bb7 { [%eval 1.77] [%clk 0:54:28] } 15. Nh5 { [%eval 1.6] [%clk 1:11:07] } 15... Be7 { [%eval 1.69] [%clk 0:54:27] } 16. c3 { [%eval 1.71] [%clk 1:08:49] } 16... Na5?! { [%eval 2.47] } { Inaccuracy. Rg8 was best. } { [%clk 0:45:35] } 17. b4 { [%eval 2.77] [%clk 0:56:36] } 17... Qc8 { [%eval 3.23] [%clk 0:37:44] } 18. bxa5 { [%eval 3.22] [%clk 0:54:14] } 18... Bxd5 { [%eval 3.41] [%clk 0:33:17] } 19. Qxd5 { [%eval 3.13] [%clk 0:54:15] } 19... Qxc3+ { [%eval 3.24] [%clk 0:33:13] } 20. Kf2 { [%eval 3.17] [%clk 0:54:35] } 20... Rc8 { [%eval 3.47] [%clk 0:31:51] } 21. Be2 { [%eval 3.7] [%clk 0:53:58] } 21... Qxa5 { [%eval 4.51] [%clk 0:30:57] } 22. Rhc1 { [%eval 3.76] [%clk 0:53:22] } 22... Qb6+ { [%eval 4.67] [%clk 0:26:05] } 23. Kf1 { [%eval 4.67] [%clk 0:53:19] } 23... Kd7?? { [%eval #7] } { Checkmate is now unavoidable. Rxc1+ was best. } { [%clk 0:20:55] } 24. Qxf7?? { [%eval 6.81] } { Lost forced checkmate sequence. Nxf6+ was best. } { [%clk 0:52:20] } 1-0