Boris Spassky vs Tigran V Petrosian (1969) Taming the Tiger

World Chess Championship 1972 - Wikipedia

Boris Spassky - Wikipedia

International Chess Federation on X: One of the most charismatic

50 years since Bobby Fischer won international chess crown — AP Photos

Petrosian Spassky: World Championship Match: Round 10: 1966

BORIS SPASSKY VS TIGRAN PETROSIAN WORLD CHAMPIONSHIP MATCH 1966..TORRE ATTACK:CLASSICAL DEFENCE, DAILY CHESS:A very interesting,baffling and ultimately instructive game.., By Chess Hustlers

The Petrosian-Spassky World Championship Match (Moscow, 1966), with annotations by Tal, Boleslavsky, Bondarevsky, etc.

Tigran Petrosian's games v. Gurgenidze & Bannik (Spartak Team-ch, Moscow 1961).

Play Like A World Champion: Petrosian and Spassky - Chess Lessons

Europe Echecs on X: Tigran Vartanovich Petrosian (Տիգրան Պետրոսյան) June 17, 1929 – August 13, 1984 — « It is to Petrosian's advantage that his opponents never know when he is suddenly