Development of the World Chess Championship five incredibly close world championship matches, the World Chess Championship 1984 (controversially terminated without result with Karpov leading +5 -3 =40), World Chess Championship 1985 (in which Kasparov won the title, 13–11), World Chess Championship 1986 (narrowly won by Kasparov, 12½–11½), World Chess Championship 1987 (drawn 12–12, Kasparov retaining the title), and World Chess Championship 1990 (again narrowly won by Kasparov, 12½–11½). In 1993, Kasparov and challenger Nigel Short complained of corruption and a lack of professionalism within FIDE and split from FIDE to set up the Professional Chess Association (PCA), under whose auspices they held their match. FIDE and
World Chess Championship 1960 the 1960 championship match. The best of 24 game match was held in Moscow. In the event of a 12–12 tie, Botvinnik, the title holder, would retain the Championship. Tal won. Game 6 is particularly famous. The audience became so excited that the game was moved to a back room due to the noise. World Chess Championship 1960 The 1960 World Chess Championship was played between Mikhail Botvinnik and Mikhail Tal in Moscow from March 15 to May 7, 1960. Tal won. An interzonal chess tournament was held in Portorož, SR Slovenia, SFR Yugoslavia in August and September 1958. The