Belarusian Science Olympiads
BelSO brings together the websites of the Belarusian school olympiads in physics, mathematics and astronomy. Choose a subject to find past olympiad problems, solutions and materials for preparation.
Physics
BelPhO
The Belarusian Physics Olympiad. An archive of olympiad problems and solutions since 1990, books and a training program.
Open belpho.orgMathematics
BelMath
The Belarusian Mathematical Olympiad. Problems of the national olympiad since 1995 and materials for preparation.
Open belmath.orgAstronomy
BelAstro
The Belarusian Astronomy Olympiad. Problems and solutions from every stage, materials of international olympiads and books.
Open belastro.org