World Chess Championship Topalov, and negotiations began for a Kramnik–Topalov match to unify the title. The FIDE World Chess Championship 2006 reunification match between Topalov and Kramnik was held in late 2006. After much controversy, it was won by Kramnik. Kramnik thus became the first unified and undisputed World Chess Champion since Kasparov split from FIDE to form the PCA in 1993. Kramnik played to defend his title at the World Chess Championship 2007 in Mexico. This was an 8-player double round robin tournament, the same format as was used for the FIDE World Chess Championship 2005. This tournament was won by Viswanathan
Women's World Chess Championship 1988 Women's World Chess Championship 1988 The 1988 Women's World Chess Championship was won by Maia Chiburdanidze, who successfully defended her title against challenger Nana Ioseliani. As part of the qualification process, two Interzonal tournaments were held in the summer of 1987, one in Smederevska Palanka in July and the other in Tuzla in July and August, featuring the best players from each FIDE zone. A total of 34 players took part, with the top three from each Interzonal qualifying for the Candidates Tournament. Litinskaya-Shul won in Smederevska Palanka, while three players shared second place. They then contested a playoff in