Boris Spassky vs Tigran Vartanovich Petrosian, 1969 World Championship Rematch

New US World Champion – Nakamura follows in Bobby Fischer's footsteps

The Youngest Candidates

Viswanathan Anand vs Magnus Carlsen: Chess stages biggest game since Fischer vs Spassky, The Independent

Did Boris Spassky ever play a rematch with Bobby Fischer after he won the World Championship in Reykjavik, Iceland? - Quora

Douglas Griffin on X: Boris Spassky, FIDE Candidates Tournament, Amsterdam 1956. (Source: #chess / X

Tigran Petrosian vs Boris Spassky, World Chess Championship 1966

FIDE - International Chess Federation - One of the most charismatic world champions and the oldest living one, legendary Boris Spassky turns 86 today! Spassky held the title from 1969 to 1972

Chess Daily News by Susan Polgar Boris Spassky Archives - Chess Daily News by Susan Polgar

Chess pieces of history: Board in 1972 battle up for auction

Boris Spassky, PDF, Chess Openings