[Event "2. USA Congress"] [Site "Cleveland, OH USA"] [Date "1871.??.??"] [Round "3"] [White "Elder, Frederic"] [Black "Mackenzie, George H"] [Result "1-0"] [ECO "A85"] 1.d4 e6 2.c4 f5 3.e3 Nf6 4.Nc3 Be7 5.Bd3 O-O 6.Nf3 b6 7.a3 Bb7 8.b3 Qe8 9. O-O Qh5 10.Ne1 Ng4 11.h3 Bd6 12.Nf3 Nf6 13.Ne5 Qg5 14.e4 f4 15.Nf3 Qh6 16. e5 Be7 17.exf6 gxf6 18.Be4 Nc6 19.d5 Nd8 20.dxe6 Bxe4 21.Nxe4 f5 22.Nc3 dxe6 23.Bb2 Nf7 24.Qe2 Nd6 25.Rae1 1-0