worldpuzzle.org·há cerca de 1 mês Registration for the 4th World Junior Sudoku Championship is open – World Puzzle Federation
The 2026 World Junior Sudoku Championship will take place in the Shijingshan District of Beijing, China, on 24-27th July 2026.
The competition is divided into 5 age groups: U8, U10, U12, U15, and U23