[Event "6th olw qual. group 2"]
[Site "Medellin COL"]
[Date "1974.09.21"]
[Round "5"]
[White "Vreeken, Corry NED"]
[Black "Karff, Mona USA"]
[Result "1-0"]
[ECO "B14"]
[EventDate "1974.09.15"]
[PlyCount "65"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Nf3 e6 7.c5 Ne4 8.Bb5 
Nxc3 9.bxc3 Bd7 10.O-O Be7 11.Re1 O-O 12.Bd3 b6 13.cxb6 Qxb6 14.c4 dxc4 
15.Bxc4 Bf6 16.Be3 Qb4 17.Bb3 Ne7 18.Ne5 Bxe5 19.dxe5 Bc6 20.Qe2 Nf5 21.
Rac1 Rfc8 22.Bc5 Qh4 23.Rc4 Qh6 24.Rc3 Qg5 25.f3 h5 26.Be3 Nxe3 27.Rxe3 a6
28.Qf2 Bb5 29.f4 Qe7 30.f5 Rab8 31.f6 Qc5 32.fxg7 Kxg7 33.Qf6+ 1-0

