Online Puzzle and Sudoku Competitions

This is the competition page of the Dutch puzzle association WCPN.

In 2026, the Dutch Puzzle and Sudoku Championships will take place once again, organized by WCPN and ORTEC. The championships consist of two parts:

The online qualifications will be held from Friday March 6th 2026 (12.00 pm CET) until Tuesday March 10th 2026 (11.59 pm CET)
Live Championships: Saturday, 18 April 2026, at ORTEC in Zoetermeer

Wed

17

12

25

Practise sudoku #2 - Diagonal

The many given digits in rows 3-7 provide an easy start, but solving gets gradually harder in this Diagonal Sudoku.

WCPN is member of the World Puzzle Federation (WPF) on behalf of The Netherlands.

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