23rd Chess Olympiad gold medals in a superior display, as well as all four individual board prizes. On the reserve board, Akhmilovskaya won all of her ten games, the only perfect score in Olympiad history. Hungary and West Germany took silver and bronze, respectively. 23rd Chess Olympiad The 23rd Chess Olympiad, organized by FIDE and comprising an open and a women's tournament, as well as several other events designed to promote the game of chess, took place between October 25 and November 12, 1978, in Buenos Aires, Argentina. After the boycott two years earlier, the Eastern Bloc countries were back, including the Soviet
International Mathematical Olympiad selection process International Mathematical Olympiad selection process This article describes the selection process, by country, for entrance into the International Mathematical Olympiad. The International Mathematical Olympiad (IMO) is an annual mathematics olympiad for students younger than 20 who have not started at university. Each year, participating countries send at most 6 students. The selection process varies between countries, but typically involves several rounds of competition, each progressively more difficult, after which the number of candidates is repeatedly reduced until the final 6 are chosen. Many countries also run training events for IMO potentials, with the aim of improving performance as well as