[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1965.??.??"]
[Round "8"]
[White "Portisch, Lajos"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A63"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 c5 7.d5 e6 8.O-O exd5
9.cxd5 Nbd7 10.Nd2 Ne8 11.Re1 b6 12.Qc2 Ba6 13.b3 b5 14.Bb2 Nc7 15.a3 Rc8
16.Nd1 Bxb2 17.Qxb2 Qf6 18.Ne4 Qxb2 19.Nxb2 Ne8 20.Nd3 Ndf6  1/2-1/2

