[Event "Hoogovens"]
[Site "Wijk aan Zee NED"]
[Date "1970.01.19"]
[EventDate "1970.01.13"]
[Round "6"]
[Result "1/2-1/2"]
[White "Jan Hein Donner"]
[Black "Borislav Ivkov"]
[ECO "E67"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "34"]

1.d4 g6 2.c4 Bg7 3.g3 Nf6 4.Bg2 O-O 5.Nc3 d6 6.Nf3 Nbd7 7.O-O
e5 8.e4 c6 9.Rb1 exd4 10.Nxd4 Re8 11.h3 Nc5 12.Re1 a5 13.Bf4
Nh5 14.Be3 Nf6 15.Qc2 Qe7 16.Rbd1 Bd7 17.f3 Rad8 1/2-1/2