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
Women's World Chess Championship 1981 The semifinal Ioseliani-Gaprindashvili ended 7-7; in the end, Ioseliani won the lucky draw and advanced to the final. Here she lost to Alexandria, who earned the right to challenge the reigning champion for the second time (after 1975). The championship match was played in Borjomi and Tbilisi in 1981. A tough match went the full 16 games and ended in an 8-8 tie, with champion Chiburdanidze thus retaining her title. Women's World Chess Championship 1981 The 1981 Women's World Chess Championship was won by Maia Chiburdanidze, who successfully defended her title against challenger Nana Alexandria after a closely fought match,