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 1988 place, but Ioseliani won the subsequent playoff 3-2, earning the right to challenge the reigning champion for the title. The championship match was played in Telavi in 1988. This time, challenger Ioseliani put real pressure on the champion, especially when she won the penultimate game, reducing Chiburdanidze's lead to one point. In the end, however, the champion forced a draw with Black in the last game and held onto her title (in what would turn out to be her last successful defense). Women's World Chess Championship 1988 The 1988 Women's World Chess Championship was won by Maia Chiburdanidze, who successfully