Verified problems and solutions for the All-Russian Mathematical Olympiad (RusMO) and former Soviet Union Math Competitions

All-Russian Olympiad

The AoPS community maintains an extensive wiki and forum specifically for the . You can often find PDF compilations of past papers from the 1960s to the present day, with solutions verified by top-tier math students globally. 3. "The USSR Olympiad Problem Book"

There are many broken links and outdated forums on the internet. Below are verified, high-quality sources where you can download authentic Russian Math Olympiad archives.

Week 2 – Verification Study:

Now, open the verified solutions. Compare your attempt line-by-line. Where did you diverge? Did you miss a lemma? Did you incorrectly assume something? Circle the verification notes with a red pen.

Title: [Resource] Verified: The Best Sources for Russian Math Olympiad Problems and Solutions (PDFs)

3. Verified PDF Problem Collections – Why Verification Matters

In a triangle $ABC$, let $M$ be the midpoint of $BC$, and let $I$ be the incenter. Suppose that $\angle BIM = 90^\circ$. Find $\angle BAC$.

10. References