World Chess Championship the organisation of the so-called "Prague Agreement" to reunite the world championship. Kramnik had organised a candidates tournament (won later in 2002 by Peter Leko) to choose his challenger. It was decided that Kasparov play the FIDE champion (Ponomariov) for the FIDE title, and the winner of this match play the winner of the Kramnik–Leko match for a unified title. However, the matches proved difficult to finance and organise. The Kramnik–Leko match, now renamed the "Classical World Chess Championship", did not take place until late 2004 (it was drawn, so Kramnik retained his title). Meanwhile, FIDE never managed to organise
World Chess Championship 2010 tournament eventually won by Indian GM Viswanathan Anand to become the World Champion. Anand subsequently defended his title in a one-off match against Kramnik, the World Chess Championship 2008. The World Chess Championship format then returned to its original form, wherein a match between the current champion and a challenger would decide the World Champion. To choose the challenger, FIDE organized the Chess World Cup 2007. Topalov was compensated for missing the 2007 tournament by getting direct entry to a Challenger Match against the winner of the Chess World Cup. The winner of the Challenger Match would then be the