[Event "6th olw qual. group 2"]
[Site "Medellin COL"]
[Date "1974.09.19"]
[Round "4"]
[White "Watanabe, Kyoto JPN"]
[Black "Van der Giessen, Ada NED"]
[Result "0-1"]
[ECO "A82"]
[EventDate "1974.09.15"]
[PlyCount "46"]

1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 d5 6.Bg5 Nc6 7.Qd2 Bf5 8.
O-O-O Nb4 9.Bb5+ c6 10.Ba4 a5 11.a3 Na6 12.Ne5 h6 13.Bh4 g5 14.Bf2 Qc8 15.
h3 b5 16.Bb3 b4 17.axb4 axb4 18.Na4 Qb7 19.Rde1 Bg7 20.Re2 Ne4 21.Qe3 Bxe5
22.dxe5 Nac5 23.Nxc5 Ra1# 0-1

