Event: Round 4: Winkler, Karl - Birken, Michael
Date: 2025-07-10
White: Winkler, Karl
WhiteElo: 1877
Black: Birken, Michael
BlackElo: 1967
Result: 1/2-1/2
ECO: B54
Opening: Sicilian Defense: Dragon Variation, Accelerated Dragon
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... c5 { [%eval 0.25] [%clk 1:30:47] } 2. Nf3 { [%eval 0.2] [%clk 1:31:19] } 2... d6 { [%eval 0.31] [%clk 1:31:02] } 3. d4 { [%eval 0.22] [%clk 1:31:41] } 3... cxd4 { [%eval 0.19] [%clk 1:31:17] } 4. Nxd4 { [%eval 0.18] [%clk 1:32:01] } 4... g6 { [%eval 0.5] [%clk 1:31:32] } 5. Nc3 { [%eval 0.45] [%clk 1:31:43] } 5... Bg7 { [%eval 0.4] [%clk 1:31:49] } 6. f4 { [%eval 0.0] [%clk 1:31:20] } 6... Nc6 { [%eval 0.0] [%clk 1:31:11] } 7. Be3 { [%eval 0.0] [%clk 1:27:30] } 7... Nf6 { [%eval 0.0] [%clk 1:28:48] } 8. Be2 { [%eval 0.13] [%clk 1:21:02] } 8... O-O { [%eval 0.07] [%clk 1:26:36] } 9. Nxc6 { [%eval -0.12] [%clk 1:13:39] } 9... bxc6 { [%eval -0.12] [%clk 1:26:54] } 10. O-O { [%eval -0.17] [%clk 1:13:37] } 10... d5 { [%eval 0.29] [%clk 1:16:15] } 11. e5 { [%eval 0.34] [%clk 1:05:25] } 11... Ne8 { [%eval 0.43] [%clk 1:10:40] } 12. Na4 { [%eval 0.11] [%clk 0:59:11] } 12... f6 { [%eval 0.21] [%clk 1:05:35] } 13. exf6 { [%eval 0.06] [%clk 0:56:22] } 13... Nxf6 { [%eval 0.26] [%clk 1:03:25] } 14. Nc5 { [%eval 0.0] [%clk 0:50:56] } 14... Qb6 { [%eval 0.46] [%clk 0:57:38] } 15. Qc1 { [%eval 0.27] [%clk 0:39:47] } 15... d4?! { [%eval 1.14] } { Inaccuracy. Qb8 was best. } { [%clk 0:53:07] } 16. Bxd4 { [%eval 1.05] [%clk 0:37:13] } 16... Ne4 { [%eval 1.07] [%clk 0:48:27] } 17. Nxe4?? { [%eval -0.58] } { Blunder. Bc4+ was best. } { [%clk 0:35:59] } 17... Bxd4+?! { [%eval 0.0] } { Inaccuracy. Qxd4+ was best. } { [%clk 0:47:31] } 18. Kh1 { [%eval -0.03] [%clk 0:34:35] } 18... Bxb2 { [%eval 0.0] [%clk 0:47:15] } 19. Bc4+ { [%eval -0.07] [%clk 0:33:10] } 19... Kg7 { [%eval 0.11] [%clk 0:46:43] } 20. Qe1 { [%eval 0.22] [%clk 0:32:26] } 20... Qd4 { [%eval 0.32] [%clk 0:39:40] } 21. Rb1 { [%eval 0.34] [%clk 0:30:33] } 21... Qxc4 { [%eval 0.33] [%clk 0:36:34] } 22. Rxb2 { [%eval 0.29] [%clk 0:30:41] } 22... Ba6 { [%eval 0.63] [%clk 0:34:09] } 23. Rf2 { [%eval 0.78] [%clk 0:29:31] } 23... Rab8 { [%eval 1.09] [%clk 0:32:42] } 24. Rb3 { [%eval 0.87] [%clk 0:27:03] } 24... Rxb3 { [%eval 0.78] [%clk 0:24:25] } 25. cxb3 { [%eval 0.33] [%clk 0:27:02] } 25... Qf7?? { [%eval 4.63] } { Blunder. Qe6 was best. } { [%clk 0:21:59] } 26. Qc3+?? { [%eval 1.15] } { Blunder. Ng5 was best. } { [%clk 0:26:15] } 26... Kg8 { [%eval 1.0] [%clk 0:22:17] } 27. h3 { [%eval 0.65] [%clk 0:24:09] } 1/2-1/2