Think fast.
Play fair.

Five problems. Sixty seconds each. One transparent ruleset.

QUICK MATCH

5 problems · ≈ 5 min

YOUR GRADE ARENA

Allow challenge-up to Grade 7Only expands the opponent pool. Standard match rules stay fixed.

Grades 10–12 include Mathematical thinking as a bilingual Domain choice. Bots use public fixed-skill profiles, carry a clear BOT label, and gain or lose real Elo.

✓

Standard rules onlyA challenger chooses an opponent — never favorable domains, difficulty, or scoring.

Think fast.Play fair.

Think fast.
Play fair.