International Chemistry Olympiad

ARBIChO 2026

Join the prestigious Abu Rayhan Biruni International Chemistry Olympiad and showcase your chemistry prowess on a global stage.

November 3–10, 2026

30+ Countries

Nukus, Uzbekistan

4 Students + 2 Mentors

Medals in a 1:2:3 ratio

Ages under 20 Eligible

The official team participates free of charge; additional teams (up to three) pay a participation fee.

Competition Structure

Competition Rounds

A comprehensive international chemistry competition designed to challenge and inspire young minds across different levels.

1

Practical Examination

Participants will receive a set of experimental tasks to complete.

2

Theoretical Examination

Students are provided with all necessary assets (scientific calculator, periodic table, pen, paper).

Format: Participants will solve different problems covering various areas of chemistry.
Scoring: The maximum score for this round is 60 points.
Duration: Will be determined.

Help Center

Find answers to common questions about the ARBIChO competition, registration process, and more.