Event: Game 1: Otten, Colleen - Van Foreest, Machteld
Date: 2025-06-23
White: Otten, Colleen
WhiteElo: 1999
Black: Van Foreest, Machteld
BlackTitle: FM
BlackElo: 2285
Result: 0-1
ECO: B40
Opening: Sicilian Defense: Four Knights Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:52] } 1... c5 { [%eval 0.25] [%clk 1:30:39] } 2. Nc3 { [%eval 0.26] [%clk 1:31:07] } 2... e6 { [%eval 0.34] [%clk 1:31:01] } 3. Nf3 { [%eval 0.26] [%clk 1:29:44] } 3... Nc6 { [%eval 0.31] [%clk 1:31:20] } 4. d4 { [%eval 0.36] [%clk 1:28:04] } 4... cxd4 { [%eval 0.34] [%clk 1:31:39] } 5. Nxd4 { [%eval 0.24] [%clk 1:28:22] } 5... Nf6 { [%eval 0.35] [%clk 1:32:04] } 6. a3 { [%eval 0.14] [%clk 1:26:14] } 6... Be7 { [%eval 0.25] [%clk 1:32:17] } 7. Be2 { [%eval 0.17] [%clk 1:25:50] } 7... Qc7 { [%eval 0.21] [%clk 1:31:02] } 8. Be3 { [%eval 0.27] [%clk 1:22:28] } 8... a6 { [%eval 0.29] [%clk 1:31:13] } 9. O-O { [%eval 0.24] [%clk 1:11:52] } 9... O-O { [%eval 0.25] [%clk 1:31:25] } 10. Kh1 { [%eval -0.01] [%clk 1:10:45] } 10... Rd8 { [%eval 0.25] [%clk 1:23:25] } 11. Qd2 { [%eval -0.22] [%clk 1:01:16] } 11... b5 { [%eval 0.17] [%clk 1:21:11] } 12. Nb3?! { [%eval -0.61] } { Inaccuracy. f4 was best. } { [%clk 0:55:36] } 12... b4 { [%eval -0.2] [%clk 1:02:55] } 13. axb4 { [%eval -0.21] [%clk 0:55:49] } 13... Bxb4 { [%eval 0.29] [%clk 1:02:57] } 14. Bf3 { [%eval -0.23] [%clk 0:51:14] } 14... Ne5 { [%eval -0.13] [%clk 0:30:11] } 15. Nb5 { [%eval -0.4] [%clk 0:38:31] } 15... Qc4 { [%eval -0.34] [%clk 0:21:40] } 16. Nd6?! { [%eval -1.17] } { Inaccuracy. Nc3 was best. } { [%clk 0:24:36] } 16... Qxf1+ { [%eval -0.98] [%clk 0:20:08] } 17. Rxf1 { [%eval -1.13] [%clk 0:24:49] } 17... Bxd2 { [%eval -1.56] [%clk 0:20:33] } 18. Bb6?? { [%eval -4.66] } { Blunder. Bxd2 was best. } { [%clk 0:22:47] } 18... Bb4 { [%eval -4.88] [%clk 0:18:01] } 0-1