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 1934 at the personal initiative of two players (much like the open title at the time) and not under the auspices of FIDE. Women's World Chess Championship 1934 The Women's World Chess Championship 1934 was held in Rotterdam in the Netherlands. In 1934, reigning Women's World Chess Champion Vera Menchik was challenged by Sonja Graf, another female player who, like Menchik, regularly competed with men in open tournaments. The match was played in Rotterdam over four games. Menchik was a huge favourite beforehand, but Graf caused a small sensation by winning the first game. Menchik then won the other three, however,