Event: Round 1: Siebenhaar, Erich - Duijker, Bert
Date: 2024-09-03
White: Siebenhaar, Erich
WhiteElo: 2087
Black: Duijker, Bert
BlackElo: 1872
Result: 1-0
ECO: A01
Opening: Nimzo-Larsen Attack: Indian Variation
Variant: Standard

1. b3 { [%eval 0.0] [%clk 1:30:28] } 1... Nf6 { [%eval 0.0] [%clk 1:30:06] } 2. Bb2 { [%eval 0.05] [%clk 1:30:54] } 2... e6 { [%eval 0.09] [%clk 1:30:14] } 3. e3 { [%eval 0.07] [%clk 1:31:16] } 3... d5 { [%eval 0.14] [%clk 1:29:40] } 4. g4 { [%eval -0.33] [%clk 1:31:26] } 4... h6 { [%eval -0.28] [%clk 1:28:59] } 5. h4 { [%eval -0.63] [%clk 1:31:44] } 5... c5 { [%eval -0.43] [%clk 1:28:19] } 6. f4 { [%eval -0.79] [%clk 1:32:00] } 6... Nc6 { [%eval -0.94] [%clk 1:26:32] } 7. Qf3 { [%eval -0.78] [%clk 1:31:50] } 7... Ne4?! { [%eval -0.14] } { Inaccuracy. Bd7 was best. } { [%clk 1:20:01] } 8. d3 { [%eval -0.56] [%clk 1:31:40] } 8... Nd6 { [%eval -0.53] [%clk 1:19:50] } 9. a3 { [%eval -1.02] [%clk 1:31:16] } 9... Qa5+? { [%eval 0.18] } { Mistake. Be7 was best. } { [%clk 1:16:01] } 10. Nd2 { [%eval 0.32] [%clk 1:30:07] } 10... Bd7 { [%eval 0.29] [%clk 1:12:08] } 11. O-O-O?! { [%eval -0.4] } { Inaccuracy. Ne2 was best. } { [%clk 1:27:08] } 11... O-O-O { [%eval -0.4] [%clk 1:07:43] } 12. Ne2 { [%eval -0.43] [%clk 1:23:45] } 12... Nb5 { [%eval -0.44] [%clk 0:59:23] } 13. a4 { [%eval -0.4] [%clk 1:20:44] } 13... Nc7 { [%eval -0.44] [%clk 0:57:20] } 14. Bh3 { [%eval -0.48] [%clk 1:20:25] } 14... b5 { [%eval -0.57] [%clk 0:55:50] } 15. axb5 { [%eval -0.72] [%clk 1:08:42] } 15... Qxb5?! { [%eval 0.1] } { Inaccuracy. Nxb5 was best. } { [%clk 0:55:48] } 16. e4 { [%eval 0.09] [%clk 1:05:52] } 16... Nb4 { [%eval 0.22] [%clk 0:50:57] } 17. Nc3 { [%eval -0.26] [%clk 0:59:46] } 17... Qb7 { [%eval -0.29] [%clk 0:50:33] } 18. exd5 { [%eval -0.25] [%clk 0:57:54] } 18... Nbxd5? { [%eval 1.1] } { Mistake. exd5 was best. } { [%clk 0:48:01] } 19. Nxd5 { [%eval 0.61] [%clk 0:58:01] } 19... Qxd5?? { [%eval 2.63] } { Blunder. exd5 was best. } { [%clk 0:45:15] } 20. Qf2 { [%eval 2.54] [%clk 0:57:20] } 20... Qb7 { [%eval 2.73] [%clk 0:40:32] } 21. Nc4 { [%eval 2.74] [%clk 0:56:16] } 21... f6 { [%eval 2.96] [%clk 0:35:08] } 22. g5 { [%eval 3.23] [%clk 0:54:44] } 22... hxg5 { [%eval 3.86] [%clk 0:34:14] } 23. hxg5 { [%eval 3.57] [%clk 0:54:52] } 23... Be7?! { [%eval 4.72] } { Inaccuracy. Nd5 was best. } { [%clk 0:32:49] } 24. gxf6 { [%eval 4.44] [%clk 0:55:13] } 1-0