[Event "Sarajevo"]
[Site "Sarajevo"]
[Date "1972.??.??"]
[Round "4"]
[White "Bukal, Vladimir Sr"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[WhiteElo "2425"]
[BlackElo "2645"]
[ECO "A37"]

1.c4 g6 2.Nc3 Bg7 3.Nf3 c5 4.g3 Nc6 5.Bg2 Nh6 6.O-O Nf5 7.b3 b6 8.Bb2 Bb7
9.e3 O-O 10.Na4 Bxb2 11.Nxb2 e6 12.d3 Qf6 13.Na4 Rad8 14.Rc1 d5 15.cxd5 exd5
16.Qd2 Rfe8 17.Rfd1 Re7 18.Qb2 Qxb2 19.Nxb2 Kg7 20.g4 Nd6 21.d4 cxd4 22.Nxd4 Nxd4
23.Rxd4 Nb5 24.Rd2 d4 25.Bxb7 Rxb7 26.a4 Nc3 27.Kg2  1/2-1/2

