Blind Chess Olympiad the most significant sporting event in the international field of chess for the blind to date. Blind Chess Olympiad The Blind Chess Olympiad is an international chess competition for the blind in which teams from all over the world compete against each other. The event takes place every four years, and is sponsored by the International Braille Chess Association. The Blind Chess Olympiad is the largest sporting event in the international field of chess for the visually impaired. The forerunner to the Blind Chess Olympiads was a blind chess tournament held in Rheinbreitbach, Germany in 1958. The winner of the
Chinese Chemistry Olympiad often enough to surpass IChO, also. Its problems are often beyond the abilities of an overwhelming majority of undergraduates. (As a consequence, IChO problems are regarded as "beginners' exercises" among those Chinese students.) Chinese Chemistry Olympiad Chinese Chemistry Olympiad () is an annual academic competition held by Chinese Chemical Society. CAS changed its official Chinese name in February 2014, though its English translation remains the same. The first CChO was held in 1984, 16 years after IChO. The event has been held every year since then. China has selected excellent high school students to take part in IChO through the