2017 | Igo

Nearly 4,000 contestants from 40 different countries participated in the 4th IGO.

Within Iran, the exam was hosted in four major cities: Tehran, Mashhad, Tabriz, and Shiraz. Internationally, countries coordinated their local contests within 24 hours of the Iranian event.

Open to any participant regardless of age or grade. Competition Mechanics

Each level featured a single paper with 5 geometry problems to be solved in 4 hours and 30 minutes.

Awards were distributed as "Gold Rulers," "Silver Rulers," and "Bronze Rulers" based on the students' overall international rankings. Other Possible Meanings