[Event "October Revolution 60th Anniversary"]
[Site "Leningrad URS"]
[Date "1977.07.09"]
[EventDate "1977.??.??"]
[Round "11"]
[Result "0-1"]
[White "Ivan Radulov"]
[Black "Zoltan Ribli"]
[ECO "A23"]
[WhiteElo "2500"]
[BlackElo "2595"]
[PlyCount "40"]

1.c4 Nf6 2.Nc3 e5 3.g3 c6 4.Nf3 e4 5.Nd4 Qb6 6.Nc2 Bc5 7.e3
Be7 8.d3 d5 9.cxd5 cxd5 10.Bg2 Bg4 11.Qd2 O-O 12.O-O Rd8
13.Nd4 Nc6 14.dxe4 dxe4 15.Nxe4 Nxd4 16.exd4 Rxd4 17.Qc2 Rc8
18.Nc3 Rb4 19.a3 Rb3 20.Rb1 Rcxc3 0-1