The World Chess Championship 1966 was held in Moscow from April 9 to June 9, where Tigran Petrosian defended his title after defeating Mikhail Botvinnik in 1963. Boris Spassky was favored to win, having defeated players like Mikhail Tal in the Candidates Tournament. Tigran Petrosian was the first to reach 12.5 points, defending and securing the title after 24 games.
Tigran Petrosian – Boris Spassky 12,5 – 11,5
Game 1
Game 2
Game 3
Game 4
Game 5
Game 6
Game 7
Game 8
Game 9
Game 10
Game 11
Game 12
Game 13
Game 14
Game 15
Game 16
Game 17
Game 18
Game 19
Game 20
Game 21
Game 22
Game 23
Game 24
World Chess Champion 1966 – Tigran Vartanovich Petrosian
