[Event "USA-ch"]
[Site "Chicago"]
[Date "1974.??.??"]
[Round "4"]
[White "Evans, Larry Melvyn"]
[Black "Grefe, John A"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2470"]
[ECO "E99"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7
9.Ne1 Nd7 10.f3 f5 11.g4 Nf6 12.Nd3 c5 13.Bd2 Bd7 14.Kh1 h6 15.gxf5 gxf5
16.Rg1 Kh7 17.a3 f4 18.b4 b6 19.bxc5 bxc5 20.Rb1 Nh5 21.Be1 Ng6 22.Qd2 Rg8
23.Bd1 Rb8 24.Rb2 Bf6 25.Nb5 Bxb5 26.Rxb5 Rxb5 27.cxb5 Bh4 28.a4 Bxe1 29.Qxe1 Qc8  1/2-1/2

