Petrosian Wins 1966 World Chess Championship

The 1966 World Chess Championship was contested between reigning champion Tigran Petrosian and challenger Boris Spassky in Moscow, Soviet Union, from April 9 to June 9, 1966. The match was played over 24 games, and Petrosian successfully defended his title, winning with a score of 12½–11½. This victory demonstrated Petrosian’s exceptional defensive skills and strategic mastery, as he carefully countered Spassky’s aggressive style throughout the match. The championship highlighted a high level of competition, captivating chess enthusiasts worldwide, and reinforced Petrosian’s status as one of the leading players of his era.