Event: Round 5: Mason, Donald J - Henderson, David
Date: 2024-08-02
White: Mason, Donald J
WhiteElo: 2003
Black: Henderson, David
BlackElo: 2057
Result: 1/2-1/2
ECO: C55
Opening: Italian Game: Two Knights Defense, Modern Bishop's Opening
Variant: Standard

1. e4 { [%eval 0.15] [%clk 1:30:56] } 1... e5 { [%eval 0.21] [%clk 1:30:55] } 2. Nf3 { [%eval 0.11] [%clk 1:31:19] } 2... Nc6 { [%eval 0.19] [%clk 1:31:20] } 3. Bc4 { [%eval 0.14] [%clk 1:31:41] } 3... Nf6 { [%eval 0.17] [%clk 1:31:34] } 4. d3 { [%eval 0.09] [%clk 1:32:02] } 4... Be7 { [%eval 0.23] [%clk 1:31:58] } 5. O-O { [%eval 0.21] [%clk 1:32:02] } 5... O-O { [%eval 0.25] [%clk 1:32:21] } 6. Bb3 { [%eval 0.08] [%clk 1:32:22] } 6... d6 { [%eval 0.18] [%clk 1:31:39] } 7. c3 { [%eval 0.14] [%clk 1:32:39] } 7... Na5 { [%eval 0.28] [%clk 1:25:02] } 8. Bc2 { [%eval 0.18] [%clk 1:33:00] } 8... c5 { [%eval 0.18] [%clk 1:25:29] } 9. a3 { [%eval 0.05] [%clk 1:32:28] } 9... Nc6 { [%eval 0.09] [%clk 1:23:58] } 10. b4 { [%eval -0.09] [%clk 1:32:26] } 10... a6 { [%eval -0.05] [%clk 1:23:57] } 11. h3 { [%eval -0.13] [%clk 1:30:36] } 11... b5 { [%eval 0.2] [%clk 1:23:55] } 12. d4 { [%eval 0.22] [%clk 1:21:47] } 12... cxd4 { [%eval 0.27] [%clk 0:41:59] } 13. cxd4 { [%eval 0.27] [%clk 1:22:02] } 13... Bb7?! { [%eval 1.29] } { Inaccuracy. Nxd4 was best. } { [%clk 0:42:14] } 14. d5 { [%eval 1.31] [%clk 1:18:44] } 14... Nb8 { [%eval 1.62] [%clk 0:41:51] } 15. Nbd2 { [%eval 1.23] [%clk 1:10:47] } 15... Nbd7 { [%eval 1.23] [%clk 0:40:02] } 16. Nb3 { [%eval 1.27] [%clk 1:10:36] } 16... Rc8 { [%eval 1.69] [%clk 0:37:33] } 17. Na5 { [%eval 1.3] [%clk 1:09:47] } 17... Ba8 { [%eval 1.71] [%clk 0:35:35] } 18. a4 { [%eval 1.72] [%clk 0:59:27] } 18... bxa4 { [%eval 1.69] [%clk 0:25:47] } 19. Bd3 { [%eval 1.79] [%clk 0:58:22] } 19... Nb8 { [%eval 2.02] [%clk 0:26:05] } 20. Qe2 { [%eval 1.87] [%clk 0:53:12] } 20... Ne8 { [%eval 1.74] [%clk 0:20:29] } 21. Bxa6? { [%eval 0.06] } { Mistake. g4 was best. } { [%clk 0:44:48] } 21... Nxa6 { [%eval -0.01] [%clk 0:20:53] } 22. Qxa6 { [%eval 0.02] [%clk 0:45:10] } 22... f5 { [%eval 0.12] [%clk 0:20:58] } 23. Nc6 { [%eval 0.17] [%clk 0:35:06] } 23... Bxc6 { [%eval 0.09] [%clk 0:21:20] } 24. dxc6 { [%eval 0.14] [%clk 0:35:29] } 24... fxe4 { [%eval 0.19] [%clk 0:21:34] } 25. Nd2 { [%eval -0.14] [%clk 0:32:57] } 25... d5 { [%eval -0.17] [%clk 0:20:20] } 26. Rxa4?! { [%eval -0.74] } { Inaccuracy. Qxa4 was best. } { [%clk 0:28:09] } 26... Nc7 { [%eval -0.22] [%clk 0:17:53] } 27. Qe2 { [%eval -0.48] [%clk 0:26:25] } 27... Rb8 { [%eval -0.32] [%clk 0:17:45] } 28. Bb2 { [%eval -0.64] [%clk 0:22:03] } 1/2-1/2