 Complete the following phrase:  After defeating Spassky to win the title of World Champion in the World Chess Championship 1972, Fischer was scheduled to defend his title in 1975 against the winner of the 1974 FIDE Candidates Tournament, Anatoly Karpov. Fischer, however, was unhappy with the format of the World Championship. At the time the format was a 24-game match, with the winner being the first player to score 1212 points; if the match was drawn 1212, then the match would be stopped, the prize money split, and the Champion retained his title. Fischer disliked this format because the player who was leading could play to draw games instead of win, and with each drawn game coast closer to the title. In his match against Spassky in 1972, games 14 to 20 were all draws. This style of chess offended Fischer. Instead, Fischer demanded the format be changed to that used in the very 