[Event "7th World Open"]
[Site "Philadelphia, PA USA"]
[Date "1979.07.??"]
[EventDate "?"]
[Round "4"]
[Result "1-0"]
[White "Lawrence Day"]
[Black "Calvin Blocker"]
[ECO "C34"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "61"]

1.e4 e5 2.f4 exf4 3.Nf3 d6 4.d4 g5 5.h4 g4 6.Ng1 Bh6 7.Ne2 Qf6
8.Nbc3 Ne7 9.Qd2 Nbc6 10.g3 f3 11.Qxh6 Qxh6 12.Bxh6 fxe2
13.Nxe2 f5 14.e5 dxe5 15.dxe5 Be6 16.Nf4 Bd5 17.Nxd5 Nxd5
18.O-O-O Nce7 19.Rh2 c6 20.Rhd2 b5 21.c4 bxc4 22.Bxc4 Rg8
23.h5 Kf7 24.e6 Ke8 25.Bb3 Rd8 26.Ba4 Rd6 27.Rxd5 Nxd5 28.Rxd5
Rxe6 29.Bd2 Ke7 30.Rxf5 Rd8 31.Bg5+ 1-0