Boris Spassky vs Tigran Petrosian (1969)

Tigran Petrosian vs Boris Spassky, World Chess Championship 1966

Match of the Century & Spassky's Immortal: 50 years on

Why did Petrosian stop playing the Petroff

Douglas Griffin on X: World Champion Tigran Petrosian in play during the 11th game of his first title match v. Boris Spassky, at the Estrada Theatre in Moscow, 4th May 1966. (Photo

1971 Buenos Aires, ARG - Fischer vs Petrosian – Chess Universe

Tal, Petrosian, Spassky and Korchnoi, by Andrew Soltis –

Historical riddle: Was Fischer's 22.Nxd7 winning?

The 1969 World Chess Championship // Tigran Petrosian vs Boris Spassky (+6 -4 =13)

Tigran V Petrosian vs Boris Spassky World Championship Match (1966)

The Fischer-Petrosian Candidates' Final (Buenos Aires, 1971) with annotations by Korchnoi, Furman, Kholmov & Polugaevsky.