[Event "6th olw qual. group 4"]
[Site "Medellin COL"]
[Date "1974.09.21"]
[Round "5"]
[White "Asenova, Venka BUL"]
[Black "Kalchbrenner, Vlasta YUG"]
[Result "1/2-1/2"]
[ECO "E62"]
[EventDate "1974.09.15"]
[PlyCount "35"]

1.Nf3 g6 2.g3 Bg7 3.Bg2 Nf6 4.O-O d6 5.d4 O-O 6.c4 Nc6 7.Nc3 e5 8.dxe5 
Nxe5 9.Nxe5 dxe5 10.Bg5 Qxd1 11.Rfxd1 c6 12.e4 Be6 13.b3 Rad8 14.Rxd8 Rxd8
15.Rd1 Rxd1+ 16.Nxd1 Kf8 17.Be3 b6 18.h3 1/2-1/2

