Event: Biel Chess Festival 2025
Date: 2025-07-18
White: Eigenmann, Walter
WhiteElo: 1764
Black: Kalbermatter, Philipp
BlackElo: 1908
Result: 1/2-1/2
ECO: D11
Opening: Slav Defense: Modern Line
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:54] } 1... d5 { [%eval 0.2] [%clk 1:30:39] } 2. c4 { [%eval 0.18] [%clk 1:31:08] } 2... c6 { [%eval 0.21] [%clk 1:30:29] } 3. Nf3 { [%eval 0.2] [%clk 1:30:43] } 3... dxc4 { [%eval 0.29] [%clk 1:29:47] } 4. e3 { [%eval 0.23] [%clk 1:30:35] } 4... Be6 { [%eval 0.58] [%clk 1:27:16] } 5. Qc2 { [%eval 0.32] [%clk 1:28:56] } 5... Nf6 { [%eval 0.41] [%clk 1:25:04] } 6. Bxc4 { [%eval 0.25] [%clk 1:28:27] } 6... Bxc4 { [%eval 0.32] [%clk 1:23:55] } 7. Qxc4 { [%eval 0.24] [%clk 1:28:48] } 7... e6 { [%eval 0.27] [%clk 1:14:39] } 8. Nc3 { [%eval 0.27] [%clk 1:28:12] } 8... Nbd7 { [%eval 0.34] [%clk 1:12:46] } 9. O-O { [%eval 0.33] [%clk 1:27:45] } 9... Be7 { [%eval 0.29] [%clk 1:09:54] } 10. e4 { [%eval 0.36] [%clk 1:27:30] } 10... O-O { [%eval 0.32] [%clk 1:07:16] } 11. Bg5 { [%eval 0.21] [%clk 1:18:00] } 11... h6 { [%eval 0.28] [%clk 0:59:21] } 12. Bh4 { [%eval 0.29] [%clk 1:14:27] } 12... Nh5 { [%eval 0.4] [%clk 0:46:23] } 13. Bxe7 { [%eval 0.39] [%clk 1:12:56] } 13... Qxe7 { [%eval 0.32] [%clk 0:46:49] } 14. g3 { [%eval 0.33] [%clk 1:11:32] } 14... Nhf6 { [%eval 0.34] [%clk 0:45:21] } 15. Rad1 { [%eval 0.21] [%clk 1:08:37] } 15... Rfd8 { [%eval 0.41] [%clk 0:42:36] } 16. Rfe1 { [%eval 0.35] [%clk 1:02:02] } 16... a5 { [%eval 0.47] [%clk 0:34:51] } 17. a3 { [%eval 0.32] [%clk 0:58:20] } 17... Rac8 { [%eval 0.35] [%clk 0:31:16] } 18. e5 { [%eval 0.32] [%clk 0:56:28] } 18... Ne8 { [%eval 0.78] [%clk 0:27:46] } 19. Ne4 { [%eval 0.82] [%clk 0:51:00] } 19... b6 { [%eval 0.86] [%clk 0:18:54] } 20. b4?! { [%eval -0.16] } { Inaccuracy. Rd2 was best. } { [%clk 0:47:56] } 20... axb4 { [%eval -0.18] [%clk 0:18:45] } 21. axb4 { [%eval -0.21] [%clk 0:47:48] } 21... b5 { [%eval -0.25] [%clk 0:18:04] } 22. Rc1?? { [%eval -6.04] } { Blunder. Qb3 was best. } { [%clk 0:43:12] } 22... Nb6?? { [%eval -0.39] } { Blunder. bxc4 was best. } { [%clk 0:15:58] } 23. Nc5?? { [%eval -6.81] } { Blunder. Qb3 was best. } { [%clk 0:31:22] } 1/2-1/2