World Chess Championship 1966 - Wikipedia

Boris Spassky - Wikipedia

Bobby Fischer: Icon Among Icons, Photographs by Harry Benson CBE by World Chess Hall of Fame - Issuu

Tigran Petrosian's Immortal Chess Game vs Spassky - Hijacking diagonals! Queen Sac! - Brilliancy!

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

Pal Benko, Who Stepped Aside for Bobby Fischer, Dies at 91 - The New York Times

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

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

Tigran Petrosian photos

Bobby Fischer, Everything Chess Wiki

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