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
World Rapid Chess Championship World Rapid Chess Championship The World Rapid Chess Championship is a chess tournament held to determine the world champion in chess played under rapid time controls. Prior to 2012, the FIDE gave such recognition to a limited number of tournaments, with non-FIDE recognized tournaments annually naming a world rapid champion of their own. Since 2012, FIDE has held an annual joint rapid and blitz chess tournament and billed it as the Word Rapid & Blitz Chess Championships. The current world rapid champion is Indian grandmaster Vishwanathan Anand, who won the title on 28 December 2017. The concept of rapid chess