[Event "57th US Open"]
[Site "Oklahoma City, OK USA"]
[Date "1956.07.20"]
[EventDate "?"]
[Round "5"]
[Result "1-0"]
[White "Peter Lapiken"]
[Black "Elias J van Sweden"]
[ECO "C02"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "53"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 cxd4 6.cxd4 Bb4+ 7.Nbd2
Nge7 8.a3 Bxd2+ 9.Bxd2 a6 10.Bd3 Qb6 11.Bc3 Bd7 12.O-O Ng6
13.Qd2 Qd8 14.g3 f5 15.exf6 Qxf6 16.Qe3 O-O 17.Kg2 Rae8
18.Rae1 h6 19.Bc2 Re7 20.Qd3 Qf5 21.Re3 e5 22.Qxf5 Bxf5
23.Bxf5 Rxf5 24.dxe5 Ngxe5 25.Nxe5 d4 26.Nxc6 Rxe3 27.Nxd4 1-0