[Event "6th olw qual. group 2"]
[Site "Medellin COL"]
[Date "1974.09.19"]
[Round "4"]
[White "Castillo, Elzebir PAN"]
[Black "Herstein, Ruth USA"]
[Result "0-1"]
[ECO "D90"]
[EventDate "1974.09.15"]
[PlyCount "40"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d5 5.b3 c5 6.e3 Nc6 7.Bd3 O-O 8.O-O Bg4 
9.Re1 cxd4 10.Nxd5 dxe3 11.Bxe3 Nxd5 12.Rc1 Nxe3 13.Rxe3 Bh6 14.Be2 Qxd1+ 
15.Rxd1 Bxe3 16.fxe3 Rad8 17.h3 Rxd1+ 18.Bxd1 Rd8 19.Be2 Bxf3 20.gxf3 Rd2 
0-1

