World Chess Championship a Kasparov match, either with 2002 FIDE champion Ponomariov, or 2004 FIDE champion Kasimdzhanov. Partly due to his frustration at the situation, Kasparov retired from chess in 2005, still ranked No. 1 in the world. Soon after, FIDE dropped the short knockout format for a World Championship and announced the FIDE World Chess Championship 2005, a double round robin tournament to be held in San Luis, Argentina between eight of the leading players in the world. However Kramnik insisted that his title be decided in a match, and declined to participate. The tournament was convincingly won by the Bulgarian Veselin
World Chess Championship 2007 World Chess Championship 2007 The World Chess Championship 2007 was held in Mexico City, from 12 September 2007 to 30 September 2007 to decide the world champion in the board game chess. It was an eight-player, double round robin tournament. Viswanathan Anand of India won the tournament and the title of World Chess Champion. His winning score was 9 points out of 14, with a total of four wins and 10 draws, and Anand was the only undefeated player in the tournament. This championship was unusual in that the World Chess Championship was decided by a tournament rather than a