[Event "It (open)"] [Site "Ann Arbor (USA)"] [Round "0"] [White "McGrath M"] [Black "Christiansen G"] [Result "0-1"] [ECO "C24"] [Opening "Bishop's Opening: Berlin Defence"] 1.e4 e5 2.Bc4 Nf6 3.Nc3 Bb4 4.Na4 d5 5.exd5 Nxd5 6.Nf3 Nc6 7.O-O O-O 8.Bb5 Bd6 9.Bxc6 bxc6 10.b3 e4 11.Nd4 Qg5 12.d3 Qg6 13.g3 f5 14.Nxc6 f4 15.c4 fxg3 16.fxg3 Re8 17.cxd5 Bxg3 18.Kh1 exd3 19.Qf3 Bd6 20.Bb2 Re2 21.Rg1 Rxh2# 0-1