Development of the World Chess Championship 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 Anand. Because Anand's World Chess Champion title was won in a tournament rather than a match, a minority of commentators questioned the validity of his title. Kramnik also made ambiguous comments about the value of Anand's title, but did
Women's World Chess Championship 1975 no match for Gaprindashvili, who retained her title by a comfortable margin. 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