[Event "Portoroz Interzonal"]
[Site "Portoroz"]
[Date "1958.??.??"]
[Round "12"]
[White "Benko, Pal C"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A15"]

1.c4 Nf6 2.Nf3 g6 3.b3 Bg7 4.Bb2 O-O 5.e3 d6 6.Be2 e5 7.O-O e4 8.Ne1 c6 9.d3 d5
10.Nd2 Re8 11.Qc2 Bf5 12.Rd1 Nbd7 13.cxd5 cxd5 14.Bd4 Qe7 15.Qb2 h5 16.dxe4 dxe4
17.h3 Rec8 18.Nc2 Bf8 19.Rc1 Nh7 20.Rfd1 Qg5 21.Ne1  1/2-1/2

