[Event "IBM"]
[Site "Amsterdam"]
[Date "1969.??.??"]
[Round "9"]
[White "Liberzon, Vladimir M"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C95"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O
9.h3 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.Nf1 Bf8 14.Ng3 g6 15.Bd2 c5
16.d5 Bg7 17.b3 Nb6 18.Nh2 Bc8 19.Rf1 Ra7 20.f4 exf4 21.Bxf4 Qe7 22.Qd2 Qf8
23.Rae1 Nfd7 24.Ng4 Ne5 25.Nh6+ Kh8 26.Re2 Nbd7 27.Ref2 Nf6 28.Ne2 Rc7 29.g4 Ng8  1/2-1/2

