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 2017 opponent to win game 2, however Muzychuk came back with a crushing early victory in game 3. Game 4 was a quiet draw, setting the stage for a rapid playoff. In the first pair of rapid matches, Tan Zhongyi won the title. Consequently, she was also awarded the Grandmaster title. Player positions are determined by the January FIDE rating list. No. 1 plays no. 64, 2 plays 63, and so on. Women's World Chess Championship 2017 The Women's World Chess Championship 2017 was a 64-player knock-out tournament, to decide the women's world chess champion. The final was won by Tan