Computational · 50%
20 problems. 3 hours.
Integer answers, saved as you work. Scratch-paper uploads required for prize and final-round eligibility.
Fall 2026 · Round 1
Fall 2026 Round 1 is now open
Complete the computational and proof sections separately, in either order. Each counts for 50% of your Round 1 score.
Sign in to compete ↓Proof · 50%
5 proofs. 4½ hours.
Upload up to 10 PDFs or images for each proof. Each problem is worth 7 points; partial credit is available.
Round 1: September 26–October 10. Each section has one continuous timer and one attempt. Contest cards below show the current deadline in your local time, including any extensions. Tournament details · Portal support
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