Can you solve it? Are you a match for the world’s smartest teen? ⊕⊕ found 2026 › Aug › 03 (Mon) @ 06:49 UTC a story from The Guardian ⚠️ › International British ■■■ Alex Chui ■■ International Mathematical Olympiad ■■ Chui ■■ Tonbridge School ■■ Kent ■■ Shanghai ■■ preview sentiment