[Event "London Chess Classic Open"] [Site "London ENG"] [Date "2012.12.07"] [Round "7"] [White "Roger G Williamson"] [Black "David J Casiot"] [Result "1-0"] [WhiteElo "2177"] [BlackElo "1991"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.d4 Nxd4 8.Nxd4 exd4 9.e5 Ng8 10.Qf3 d5 11.Bxd5 f6 12.Bxa8 {#r} 1-0