Event: Round 7: Collyer, David - Buchwald, Filip
Date: 2025-02-22
White: Collyer, David
WhiteElo: 1929
Black: Buchwald, Filip
BlackElo: 1636
Result: 1/2-1/2
ECO: C42
Opening: Petrov's Defense: Classical Attack
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... e5 { [%eval 0.21] [%clk 1:30:52] } 2. Nf3 { [%eval 0.13] [%clk 1:31:22] } 2... Nf6 { [%eval 0.34] [%clk 1:31:18] } 3. Nxe5 { [%eval 0.29] [%clk 1:31:44] } 3... d6 { [%eval 0.22] [%clk 1:31:39] } 4. Nf3 { [%eval 0.31] [%clk 1:32:09] } 4... Nxe4 { [%eval 0.33] [%clk 1:32:04] } 5. d4 { [%eval 0.25] [%clk 1:32:16] } 5... d5 { [%eval 0.2] [%clk 1:32:30] } 6. Bd3 { [%eval 0.21] [%clk 1:31:21] } 6... Bf5 { [%eval 0.34] [%clk 1:32:08] } 7. O-O { [%eval 0.29] [%clk 1:30:41] } 7... Bd6 { [%eval 0.79] [%clk 1:32:26] } 8. Nc3 { [%eval 0.63] [%clk 1:29:36] } 8... Nxc3 { [%eval 0.76] [%clk 1:30:07] } 9. bxc3 { [%eval 0.67] [%clk 1:30:01] } 9... Bxd3 { [%eval 0.73] [%clk 1:28:24] } 10. Qxd3 { [%eval 0.62] [%clk 1:30:22] } 10... O-O? { [%eval 1.77] } { Mistake. Nc6 was best. } { [%clk 1:26:24] } 11. c4?? { [%eval 0.0] } { Blunder. Ng5 was best. } { [%clk 1:26:18] } 11... dxc4 { [%eval -0.01] [%clk 1:24:39] } 12. Qxc4 { [%eval -0.02] [%clk 1:26:42] } 12... Nd7 { [%eval 0.03] [%clk 1:23:54] } 13. Qd3 { [%eval -0.07] [%clk 1:21:13] } 13... h6 { [%eval -0.07] [%clk 1:23:16] } 14. c4 { [%eval -0.01] [%clk 1:19:04] } 14... c5 { [%eval 0.17] [%clk 1:22:42] } 15. d5 { [%eval 0.19] [%clk 1:18:54] } 15... Ne5 { [%eval 0.26] [%clk 1:22:17] } 16. Nxe5 { [%eval 0.2] [%clk 1:18:57] } 16... Bxe5 { [%eval 0.19] [%clk 1:22:42] } 17. Rb1 { [%eval 0.31] [%clk 1:19:15] } 17... b6 { [%eval 0.35] [%clk 1:22:52] } 18. Bb2 { [%eval 0.09] [%clk 1:14:16] } 18... Bxb2 { [%eval 0.11] [%clk 1:20:57] } 19. Rxb2 { [%eval 0.07] [%clk 1:12:13] } 19... Re8 { [%eval 0.1] [%clk 1:20:30] } 20. a4 { [%eval 0.12] [%clk 1:08:33] } 20... Qd6 { [%eval 0.17] [%clk 1:18:19] } 21. a5 { [%eval 0.16] [%clk 1:08:12] } 21... Rab8 { [%eval 0.11] [%clk 1:18:21] } 22. axb6 { [%eval 0.21] [%clk 1:08:16] } 22... Rxb6 { [%eval 0.25] [%clk 1:17:31] } 23. Ra2 { [%eval 0.23] [%clk 1:07:44] } 23... Re7 { [%eval 0.73] [%clk 1:16:28] } 24. Rfa1 { [%eval 0.23] [%clk 1:07:29] } 24... Rbb7 { [%eval 0.68] [%clk 1:16:27] } 25. g3 { [%eval 0.84] [%clk 1:07:33] } 25... Qg6?! { [%eval 1.85] } { Inaccuracy. g6 was best. } { [%clk 1:14:06] } 26. Qxg6 { [%eval 1.83] [%clk 1:06:03] } 26... fxg6 { [%eval 1.64] [%clk 1:14:28] } 27. Ra6? { [%eval 0.1] } { Mistake. Ra5 was best. } { [%clk 1:05:46] } 27... Re4 { [%eval 0.19] [%clk 1:13:45] } 28. Rxg6 { [%eval 0.07] [%clk 1:00:49] } 28... Rxc4 { [%eval 0.03] [%clk 1:14:06] } 29. Rc6 { [%eval 0.06] [%clk 1:00:52] } 29... Rd7 { [%eval 0.07] [%clk 1:13:03] } 30. d6 { [%eval 0.03] [%clk 0:59:50] } 30... Rd4 { [%eval 0.07] [%clk 1:12:37] } 31. Rc7 { [%eval 0.03] [%clk 0:59:10] } 31... R4xd6 { [%eval 0.06] [%clk 1:10:56] } 1/2-1/2