If Kramnik wins the 2007 World Championship: * The 2008 World Championship will be a match between Kramnik and Topalov. * The 2009 World Championship will be a match between the 2008 World Champion, and the winner of the 2007 World Cup.
If Kramnik does not win the 2007 World Championship: * The 2008 World Championship will be a match between the 2007 World Champion, and Kramnik. * Topalov will play a "challenger match" against the winner of the 2007 World Cup. * The 2009 World Championship will be a match between the 2008 World Champion, and the winner of the challenger match.