Mind Sports Olympiad up to International Grandmaster. The Mind Sports Olympiad main event was at large venues for the first four years before being reduced in size due to funding difficulties. It has been held annually since 1997 at the following locations in England: The MSO consists mainly of single event competitions most of which are for the nominal title of Olympiad champion, though some trademarked games are authorised by the game designer and publishers as the official world championships. All games, whether an Olympiad or the official World championship, can count towards the Pentamind. Medals, and more recently trophies, are awarded for
Chess Olympiad the Olympiad. The tests were first introduced in 2002 under significant controversy, with the widespread belief that it was impossible to dope in chess. Research carried out by the Dutch chess federation failed to find a single performance-enhancing substance for chess. According to Dr Helmut Pfleger, who has been conducting experiments in the field for around twenty years, "Both mentally stimulating and mentally calming medication have too many negative side effects". Players such as Artur Yusupov, Jan Timman and Robert Hübner either refused to play for their national team or to participate in events such as the Chess Olympiad where