Here you can find the tasks of the previous WPF Sudoku GPs.
Puzzle GP
Round 1 - 17th-20th January - Serbia
Round 2 - 14th-17th February - India
Round 3 - 13th-16th March - Switzerland
Round 4 - 10th-13th April - Bulgaria
Round 5 - 15th-18th May - Hungary
Round 6 - 10th-13th July - Japan
Round 7 - 7th-10th August - France
Round 8 - 21st-24th August - Czech Republic
1) WPF Puzzle GP1
The first WPF Puzzle GP was in January 2020 and it was open from 12.00 on January 17, 2020 to 23.59 on January 20, 2020.
The practice and competition puzzles can be open here.
2) WPF Puzzle GP2
The second WPF Puzzle GP was in February 2020 and it was open from 12.00 on February 14, 2020 to 23.59 on February 17, 2020.
The practice and competition puzzles can be open here.
3) WPF Puzzle GP3
The third WPF Puzzle GP was in March 2020 and it was open from 12.00 on March 13, 2020 to 23.59 on March 16, 2020.
The practice and competition puzzles can be open here.
4) WPF Puzzle GP4
The fourth WPF Puzzle GP was in April 2020 and it was open from 12.00 on April 10, 2020 to 23.59 on April 13, 2020.
The practice and competition puzzles can be open here.
5) WPF Puzzle GP5
The fifth WPF Puzzle GP was in May 2020 and it was open from 12.00 on May 15, 2020 to 23.59 on May 18, 2020.
The practice and competition puzzles can be open here.
6) WPF Puzzle GP6
The sixth WPF Puzzle GP was in July 2020 and it was open from 12.00 on July 10, 2020 to 23.59 on July 13, 2020.
The practice and competition puzzles can be open here.
7) WPF Puzzle GP7
The seventh WPF Puzzle GP was in August 2020 and it was open from 12.00 on August 7, 2020 to 23.59 on August 10, 2020.
The practice and competition puzzles can be open here.