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 1984 her title Women's World Chess Championship 1984 The 1984 Women's World Chess Championship was won by Maia Chiburdanidze, who successfully defended her title against challenger Irina Levitina. As part of the qualification process, two Interzonal tournaments were held, one in Bad Kissingen in July and the other in Tbilisi in September 1982, featuring the best players from each FIDE zone. A total of 31 players took part, with the top three from each Interzonal qualifying for the Candidates Tournament. In Bad Kissingen, ex-champion Gaprindashvili took first place and qualified along with Semenova and Lematschko. Mureşan won in Tbilisi, ahead of