[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1964.??.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Keres, Paul"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E18"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Bd2 c5
9.Ne1 Nxc3 10.Bxc3 Bxg2 11.Nxg2 cxd4 12.Qxd4 Bf6 13.Qe4 Na6 14.Rac1 Rc8 15.Rfd1 Rc7
16.Ne3 Nc5 17.Bxf6 Qxf6 18.Qd4 Qg6 19.Qf4 Rfc8 20.Rd6 Qe4 21.Rcd1 Qxf4 22.gxf4 Kf8
23.f5 Ke7 24.f3 Nb7 25.R6d4 Nc5 26.Rd6 Nb7 27.R6d4 Nc5 28.Rd6  1/2-1/2

