The International Olympiad "Tuymaada" is an annual competition for students under the age of 18, held in Republic of Saka, Russia. The contestants compete individually, in four independent sections: computer science, mathematics, physics and chemistry. The participating teams (national and local teams) can have up to three students for one section (the total number of students that can participate for a team being twelve, plus two teachers: a leader and a deputy leader). The contest is held in July, for two days of competitions. The structure is being in conformity with the International Science Olympiads worldwide and all Russian National Science Olympiads.