Central European Olympiad in Informatics article about the International Olympiad in Informatics (IOI), which served as a role model for the invention of the more local CEOI. The first CEOI was held in 1994 (Romania, founder of the CEOI), five years after the first IOI. Central European Olympiad in Informatics The Central European Olympiad in Informatics (CEOI) is an annual informatics competition for secondary school students. Each of the participating central European countries (plus one or two guest countries, and a local team from the host area) sends a team of up to four contestants, a team leader and a deputy team leader. The contestants
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