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WPF Sudoku GP 2018: Round 4 is over

Dear Players,

Sudoku GP Round 4 has ended. You can see the official results here: //gp.worldpuzzle.org/content/official-results-wpf-gp-sudoku-4-3
Congratulations to the winner of the round, Tantan Dai of China!

For cumulative Sudoku GP results, please check here: //gp.worldpuzzle.org/content/wpf-gp-sudoku-results-2018

WPF Sudoku GP 2018 - Round 4 IB Published

Dear Players,

The Instruction booklet for Round 4 of the Sudoku GP is now published and can be accessed on the usual page. All the best to everyone participating!

WPF Puzzle GP 2018: Round 3 is over

Dear Players,

Puzzle GP Round 3 has ended. You can see the official results here: //gp.worldpuzzle.org/content/official-results-wpf-gp-puzzle-3a-0
Congratulations to the winner of the round, Ken Endo of Japan!

For cumulative Puzzle GP results, please check here: //gp.worldpuzzle.org/content/wpf-gp-puzzle-results-2018

2018 WPF Puzzle GP Round 3 Announcement

We discovered about 12 hours into the competition that there was a PDF transparency mastering error that caused Puzzle 6 (the second Simple Loop puzzle) to print incorrectly on some PDF renderers. The puzzle always displayed correctly on screen, but, depending on the operating system and PDF tool used, could print with an extra unintended black cell.

The problem was discovered and corrected during the competition, with a replacement PDF uploaded.

Test webform - Claim Button

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WPF Puzzle GP6 Cancelled; Unofficial contest to be held instead

Dear Players,

WPF Sudoku GP7


Dear Players,

Sudoku GP Round 7 is now the Russia round. The Slovakia round has been shifted to Round 8. All schedules remain unchanged. Feel free to post any queries in our forum.

WPF Puzzle GP5 - 24 Hour Extension


Dear players,

Due to the submission page bug at the start of the contest, which has since been fixed, Puzzle GP round 5 has been extended by 24 hours, and will now end at 23:59:59 on June 20, 2017 (GMT + 1 hour).

WPF Puzzle GP5 - BUG FIXED


Dear players,

all bugs has been fixed and you can play WPF Puzzle GP5 without problems.
Good luck in solving!

Karel (Admin)

WPF Puzzle GP5


Dear players,

there has appeared bug in the submission phase. Right now it is not possible to publish the GPs, because your submissions won't be stored to our DB.
I'm working on fixing this bug as soon as possible.

Thanks for understanding.

UPDATE (16th June at 2PM):

Section A and B already fixed and published!

Karel (Admin)

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