Event: ECF English Open Championship 2025
Site: Kenilworth, Warwickshire, United Kingdom
Date: 2025-07-20
White: Mason, Donald J
WhiteElo: 2011
Black: Gibson, Christopher A
BlackElo: 1837
Result: 1-0
ECO: D27
Opening: Queen's Gambit Accepted: Classical Defense, Russian Gambit
Variant: Standard
TimeControl: G90 + 30 Secs/move

1. d4 { [%eval 0.17] [%clk 1:30:05] } 1... d5 { [%eval 0.2] [%clk 1:30:43] } 2. Nf3 { [%eval 0.08] [%clk 1:30:16] } 2... Nf6 { [%eval 0.11] [%clk 1:31:05] } 3. c4 { [%eval 0.22] [%clk 1:30:37] } 3... dxc4 { [%eval 0.28] [%clk 1:30:38] } 4. e3 { [%eval 0.18] [%clk 1:30:44] } 4... e6 { [%eval 0.25] [%clk 1:30:56] } 5. Bxc4 { [%eval 0.15] [%clk 1:30:58] } 5... a6 { [%eval 0.12] [%clk 1:30:53] } 6. O-O { [%eval 0.26] [%clk 1:30:40] } 6... c5 { [%eval 0.13] [%clk 1:31:03] } 7. e4 { [%eval 0.0] [%clk 1:29:08] } 7... b5 { [%eval 0.23] [%clk 1:27:58] } 8. Bd3 { [%eval 0.12] [%clk 1:25:52] } 8... cxd4 { [%eval 0.36] [%clk 1:27:17] } 9. e5 { [%eval 0.37] [%clk 1:20:47] } 9... Nd5 { [%eval 0.31] [%clk 1:23:42] } 10. a4 { [%eval 0.16] [%clk 1:19:02] } 10... b4?! { [%eval 0.84] } { Inaccuracy. Bb7 was best. } { [%clk 1:20:36] } 11. Nbd2 { [%eval 0.79] [%clk 1:19:07] } 11... Be7 { [%eval 0.98] [%clk 1:17:09] } 12. Nb3 { [%eval 0.89] [%clk 1:15:12] } 12... O-O { [%eval 1.17] [%clk 1:17:10] } 13. Nfxd4 { [%eval 1.01] [%clk 1:11:06] } 13... Bb7 { [%eval 1.26] [%clk 1:15:43] } 14. Qg4 { [%eval 1.28] [%clk 1:08:21] } 14... g6?! { [%eval 2.1] } { Inaccuracy. Kh8 was best. } { [%clk 1:14:03] } 15. Bh6 { [%eval 2.05] [%clk 1:07:20] } 15... Re8?! { [%eval 2.71] } { Inaccuracy. Nd7 was best. } { [%clk 1:12:42] } 16. Rac1?! { [%eval 1.64] } { Inaccuracy. Nxe6 was best. } { [%clk 1:04:29] } 16... Qb6? { [%eval 3.12] } { Mistake. Nd7 was best. } { [%clk 1:10:59] } 17. a5 { [%eval 2.97] [%clk 0:57:28] } 17... Qd8?! { [%eval 3.88] } { Inaccuracy. Qa7 was best. } { [%clk 1:08:52] } 18. Nxe6 { [%eval 3.66] [%clk 0:43:08] } 18... Ne3? { [%eval 6.61] } { Mistake. Bc8 was best. } { [%clk 1:00:50] } 19. fxe3 { [%eval 6.54] [%clk 0:28:12] } 19... Qxd3 { [%eval 6.56] [%clk 1:00:39] } 20. Nbc5 { [%eval 6.53] [%clk 0:27:04] } 20... Bxc5 { [%eval 6.38] [%clk 0:56:58] } 21. Nxc5 { [%eval 7.34] [%clk 0:27:21] } 21... Qb5? { [%eval #16] } { Checkmate is now unavoidable. Qd5 was best. } { [%clk 0:54:37] } 22. Qf4 { [%eval 15.25] [%clk 0:25:36] } 22... f5 { [%eval #15] [%clk 0:52:14] } 23. exf6 { [%eval #18] [%clk 0:25:43] } 1-0