Women's Chess Olympiad Women's Chess Olympiad The Women's Chess Olympiad is an event held by FIDE (the International Chess Federation) since 1957 (every two years since 1972), where national women's teams compete at chess for gold, silver and bronze medals. Since 1976 the Women's Chess Olympiad has been incorporated within Chess Olympiad events, with simultaneous women's and open tournaments. The Soviet Union has won it the most often: 11 times. Since the break-up of the Soviet Union, China and Georgia have won the event four times each. It has also been won by Hungary, Ukraine and Israel (one year when it was boycotted
International Astronomy Olympiad International Astronomy Olympiad The International Astronomy Olympiad (IAO) is an internationally recognized annual astronomy scientific-educating event for high school students (14–18 years old), which includes an intellectual competition between these students. It is one of the International Science Olympiads. The Eurasian Astronomical Society founded the IAO in 1996. The competing part of IAO consists of three rounds: a theoretical, an observational, and a practical. Problems of the theoretical round involve classical problems in branches of astronomy, astrophysics, space and planetary physics, and maybe hypothetical situations. The observational round involves recognizing stars, constellations, estimating star magnitude and angular distance, working with