[Event "Marshall op"]
[Site "New York"]
[Date "1979.??.??"]
[Round "2"]
[White "Diesen, Mark C"]
[Black "Evans, Larry D"]
[Result "1/2-1/2"]
[WhiteElo "2460"]
[BlackElo "2375"]
[ECO "E05"]

1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.d4 dxc4 7.Qc2 a6 8.a4 Nc6
9.Qxc4 Qd5 10.Qxd5 exd5 11.Bf4 Bf5 12.Bxc7 Rac8 13.Be5 Ne4 14.Nc3 Nxc3 15.bxc3 g5
16.Nd2 Nxe5 17.dxe5 Rxc3 18.Bxd5 Rd8 19.e4 Be6 20.Rab1 Bxd5 21.exd5 Rxd5
22.Rxb7 Rxe5 23.Kg2 Re6 24.Nb3 Rc4 25.a5 Rb4 26.Rxb4 Bxb4 27.Rc1 Re5 28.Rc6 Bxa5
29.Rxa6 Bc3 30.Rc6 Bb2 31.Nc5  1/2-1/2

