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
Women's World Chess Championship 1975 Women's World Chess Championship 1975 The 1975 Women's World Chess Championship was won by Nona Gaprindashvili, who successfully defended her title against challenger Nana Alexandria. This was Gaprindashvili's fourth title defense - and the last successful one. An Interzonal tournament was held in Menorca in October and November 1973, featuring the best players from each FIDE zone. A total of 20 players took part, with the top four qualifying for the Candidates Tournament. Kozlovskaya won the tournament and progressed directly, while the four players tied for second place contested a playoff in Kislovodsk in February and March 1974 from which