World Chess Championship 1990 World Chess Championship 1990 The World Chess Championship 1990 was played between Garry Kasparov and Anatoly Karpov. It was the fifth and final Kasparov–Karpov championship match, Kasparov winning by a single point. Three Interzonals were held in the summer of 1987, with 16 to 18 players playing in each and the top three scorers from each qualifying. In the first tournament in Subotica, Sax, Short, and Speelman qualified. Lubomir Kavalek withdrew after six rounds; his results are not included in the totals for the other players. Robert Hübner was invited, but declined to participate. As a result, Ribli had a
FIDE World Chess Championship 2005 be required to compete; but that as part of the "Prague Agreement", his defense of his title in the Classical World Chess Championship 2004 entitled him to direct entry to a match against the FIDE World Champion for the unified world title. After the tournament, he expressed his willingness to play such a match against Topalov. Although Topalov initially declined Kramnik's offer, he later acceded. The two contested the FIDE World Chess Championship 2006 to reunify the title, with Kramnik emerging the winner. FIDE World Chess Championship 2005 The FIDE World Chess Championship 2005 took place in Potrero de los