World Chess Championship 1966

World Chess Championship 1966
 
Defending champion
Challenger
 
Tigran Petrosian
Tigran Petrosian
Boris Spassky
Boris Spassky
  Soviet Union Tigran Petrosian Soviet Union Boris Spassky
 
12½Scores11½
  Born 17 June 1929
36 years old
Born 30 January 1937
29 years old
  Winner of the 1963 World Chess Championship Winner of the 1965 Candidates Tournament
← 1963
1969 →
A Soviet stamp dedicated to the World Chess Championship 1966

A World Chess Championship was played between Tigran Petrosian and Boris Spassky in Moscow from April 9 to June 9, 1966. Petrosian won.