[Event "October Revolution 60th Anniversary"]
[Site "Leningrad URS"]
[Date "1977.07.01"]
[EventDate "1977.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "Alexander Kochyev"]
[Black "Sergio Mariotti"]
[ECO "A15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "37"]

1.Nf3 Nf6 2.c4 c6 3.d4 d5 4.Qc2 g6 5.Bf4 Bg7 6.e3 O-O 7.Nc3
Na6 8.Be2 dxc4 9.Bxc4 Nb4 10.Qb3 a5 11.a3 Nbd5 12.Nxd5 Nxd5
13.Bxd5 Qxd5 14.Qxd5 cxd5 15.Rc1 Bd7 16.Kd2 Bc6 17.Ne5 Bxe5
18.Bxe5 f6 19.Bf4 1/2-1/2