[Event "Caracas"]
[Site "Caracas"]
[Date "1970.??.??"]
[Round "4"]
[White "Sigurjonsson, Gudmundur"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B21"]

1.e4 c5 2.f4 Nf6 3.d3 d5 4.e5 Nfd7 5.Nf3 Nc6 6.g3 e6 7.Bg2 Be7 8.O-O O-O
9.c4 Nb6 10.Na3 Bd7 11.Be3 Nb4 12.Qe2 Bc6 13.Rfc1 Rc8 14.Nc2 a5 15.Nxb4 axb4
16.a3  1/2-1/2

