[Event "57th US Open"]
[Site "Oklahoma City, OK USA"]
[Date "1956.07.19"]
[EventDate "?"]
[Round "4"]
[Result "1-0"]
[White "Simon Delgado Ramirez"]
[Black "Wilmer Stevens"]
[ECO "C21"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "51"]

1.e4 e5 2.d4 exd4 3.Bc4 Nf6 4.Bg5 Be7 5.Bxf6 Bxf6 6.f4 d6
7.Nf3 Nc6 8.O-O a6 9.e5 dxe5 10.fxe5 Bxe5 11.Bxf7+ Ke7 12.Nxe5
Nxe5 13.Qe1 Qd6 14.Nd2 Be6 15.Ne4 Qd5 16.Qh4+ Kd7 17.Bxe6+
Kxe6 18.c4 Qc6 19.Ng5+ Kd7 20.Rae1 Rae8 21.Rxe5 Rxe5 22.Qg4+
Ke7 23.Nf7 Qe4 24.Qxg7 Qe3+ 25.Kh1 Rf5 26.Nh6+ 1-0