Event: Round 5: Boersma, Jan - Haans, Kaz
Date: 2025-07-26
White: Boersma, Jan
WhiteElo: 2051
Black: Haans, Kaz
BlackElo: 1970
Result: 1/2-1/2
ECO: B23
Opening: Sicilian Defense: Closed
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:56] } 1... c5 { [%eval 0.25] [%clk 1:30:55] } 2. Nc3 { [%eval 0.26] [%clk 1:31:21] } 2... e6 { [%eval 0.34] [%clk 1:31:19] } 3. Nf3 { [%eval 0.26] [%clk 1:30:44] } 3... Nc6 { [%eval 0.31] [%clk 1:31:24] } 4. Bb5 { [%eval 0.0] [%clk 1:31:06] } 4... Nge7 { [%eval 0.22] [%clk 1:31:40] } 5. O-O { [%eval 0.11] [%clk 1:31:24] } 5... a6 { [%eval 0.11] [%clk 1:31:43] } 6. Bxc6 { [%eval 0.14] [%clk 1:31:46] } 6... Nxc6 { [%eval 0.2] [%clk 1:32:06] } 7. d4 { [%eval 0.07] [%clk 1:32:13] } 7... cxd4 { [%eval 0.1] [%clk 1:32:22] } 8. Nxd4 { [%eval 0.15] [%clk 1:32:39] } 8... Qc7 { [%eval 0.15] [%clk 1:30:15] } 9. Re1 { [%eval -0.02] [%clk 1:30:34] } 9... Be7 { [%eval 0.45] [%clk 1:26:51] } 10. Nxc6 { [%eval 0.1] [%clk 0:59:28] } 10... bxc6 { [%eval 0.16] [%clk 1:22:04] } 11. e5 { [%eval 0.32] [%clk 0:56:49] } 11... O-O { [%eval 0.76] [%clk 1:13:58] } 12. Qh5?! { [%eval -0.08] } { Inaccuracy. Bf4 was best. } { [%clk 0:54:21] } 12... g6?! { [%eval 0.57] } { Inaccuracy. f5 was best. } { [%clk 1:04:36] } 13. Qh6 { [%eval 0.64] [%clk 0:53:16] } 13... f6 { [%eval 0.7] [%clk 1:02:51] } 14. Bf4 { [%eval 0.51] [%clk 0:43:35] } 14... d6?! { [%eval 1.14] } { Inaccuracy. f5 was best. } { [%clk 0:57:06] } 15. exd6 { [%eval 1.06] [%clk 0:35:18] } 15... Bxd6 { [%eval 1.17] [%clk 0:54:57] } 16. Bxd6 { [%eval 1.23] [%clk 0:35:40] } 16... Qxd6 { [%eval 1.13] [%clk 0:55:21] } 17. Rad1 { [%eval 1.11] [%clk 0:36:03] } 17... Qe7 { [%eval 1.47] [%clk 0:54:47] } 18. Ne4 { [%eval 0.99] [%clk 0:34:45] } 18... Bb7?! { [%eval 2.01] } { Inaccuracy. e5 was best. } { [%clk 0:53:42] } 19. c4 { [%eval 2.06] [%clk 0:26:33] } 19... Rad8 { [%eval 2.06] [%clk 0:35:22] } 20. c5 { [%eval 1.78] [%clk 0:24:42] } 20... Rd5 { [%eval 2.09] [%clk 0:33:22] } 21. b4 { [%eval 2.13] [%clk 0:23:35] } 21... e5 { [%eval 2.0] [%clk 0:30:12] } 22. Nd6 { [%eval 1.63] [%clk 0:18:55] } 22... Bc8 { [%eval 2.2] [%clk 0:27:30] } 23. a3?! { [%eval 1.12] } { Inaccuracy. Rxd5 was best. } { [%clk 0:18:51] } 23... Be6 { [%eval 0.91] [%clk 0:26:58] } 24. h3 { [%eval 0.56] [%clk 0:19:17] } 24... Rxd1 { [%eval 0.62] [%clk 0:25:15] } 25. Rxd1 { [%eval 0.74] [%clk 0:19:40] } 25... Bd5 { [%eval 0.97] [%clk 0:25:38] } 26. Qe3 { [%eval 0.83] [%clk 0:17:32] } 1/2-1/2