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 2008, which Anand won. Then Topalov was seeded directly into the Candidates final of the World Chess Championship 2010. He won the Candidates (against Gata Kamsky). Anand again won the championship match. The next championship, the World Chess Championship 2012, had short knock-out matches for the Candidates Tournament. This format was not popular with everyone, and world #1 Magnus Carlsen withdrew in protest. Boris Gelfand won the Candidates. Anand won the championship match again, in tie breaking rapid games, for his fourth consecutive world championship win. Since 2013, the Candidates have been an 8 player double round robin tournament, with