[Event "Vidmar mem"]
[Site "Ljubljana/Portoroz"]
[Date "1973.??.??"]
[Round "1"]
[White "Smejkal, Jan"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A28"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.e3 Bb4 5.Qc2 O-O 6.d3 Re8 7.Bd2 d6 8.Be2 Bf5
9.Nd5 a5 10.Bxb4 Nxb4 11.Nxb4 axb4 12.O-O Qd7 13.Nd2 Ra6 14.Bf3 c5 15.a4 Rea8
16.b3 Bg4 17.Rad1 Re8 18.Rfe1 Raa8 19.Bxg4  1/2-1/2

