Event: Round 7: Birken, Michael - Ellerbrock, Manfred
Date: 2025-07-13
White: Birken, Michael
WhiteElo: 1967
Black: Ellerbrock, Manfred
BlackElo: 1894
Result: 1/2-1/2
ECO: C42
Opening: Petrov's Defense: Classical Attack, Mason Variation
Variant: Standard

1. e4 { [%clk 1:30:54] } 1... e5 { [%clk 1:30:57] } 2. Nf3 { [%clk 1:31:11] } 2... Nf6 { [%clk 1:31:23] } 3. Nxe5 { [%clk 1:31:12] } 3... d6 { [%clk 1:31:46] } 4. Nf3 { [%clk 1:31:22] } 4... Nxe4 { [%clk 1:32:10] } 5. d4 { [%clk 1:31:04] } 5... d5 { [%clk 1:32:34] } 6. Bd3 { [%clk 1:30:31] } 6... Be7 { [%clk 1:32:40] } 7. O-O { [%clk 1:29:28] } 7... O-O { [%clk 1:32:58] } 8. c4 { [%clk 1:26:29] } 8... c6 { [%clk 1:32:45] } 9. Nc3 { [%clk 1:24:25] } 9... Nxc3 { [%clk 1:23:07] } 10. bxc3 { [%clk 1:24:43] } 10... dxc4 { [%clk 1:23:13] } 11. Bxc4 { [%clk 1:24:55] } 11... Nd7 { [%clk 1:12:47] } 12. Re1 { [%clk 1:18:14] } 12... Nb6 { [%clk 1:07:01] } 13. Bb3 { [%clk 1:14:51] } 13... Bg4 { [%clk 1:04:20] } 14. Qd3 { [%clk 1:09:50] } 14... Bxf3 { [%clk 1:02:54] } 15. Qxf3 { [%clk 1:09:17] } 15... Bf6 { [%clk 0:58:30] } 16. g4 { [%clk 1:01:17] } 16... h6 { [%clk 0:54:10] } 17. h4 { [%clk 0:46:50] } 17... Nc8 { [%clk 0:31:47] } 18. Ba3 { [%clk 0:34:47] } 18... Be7 { [%clk 0:31:36] } 19. Rxe7 { [%clk 0:27:50] } 19... Nxe7 { [%clk 0:31:15] } 20. Re1 { [%clk 0:28:08] } 20... Nd5 { [%clk 0:17:36] } 1/2-1/2