[Event "USA-03.Congress"] [Site "Chicago, IL USA"] [Date "1874.??.??"] [Round "2"] [White "Perrin, F"] [Black "Mackenzie, George H"] [Result "0-1"] [ECO "A85"] 1.d4 f5 2.e3 Nf6 3.c4 e6 4.Nc3 b6 5.Nf3 Bb7 6.a3 Be7 7.Be2 O-O 8.O-O Qe8 9.h3 Nc6 10.b4 a6 11.d5 Nd8 12.dxe6 dxe6 13.Bb2 Qg6 14.Kh1 Nf7 15.Rg1 Rad8 16.Qc2 Qh6 17.Rgf1 Ne5 18.Ng1 Qg6 19.f3 Nh5 20.Rfd1 Ng3+ 21.Kh2 Bd6 22.f4 Ne4 23.Nxe4 Bxe4 24.Bd3 Nxd3 25.Rxd3 Bxd3 0-1