Competition
WPF Sudoku GP 2026 — Round 4
The fourth online round of the 2026 WPF Sudoku Grand Prix, prepared by Switzerland.
About this event
Round 4 of the World Puzzle Federation Sudoku Grand Prix 2026 is an online competition prepared by puzzle authors from Switzerland.
Participants solve a competition booklet within the official time limit and submit their answers online. Consult the official GP website for registration, rules, instructions, and timing.
Visit the official event page