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WPF Sudoku GP 2018 - Round 5 IB Published

Dear Players,

The Instruction booklet for Round 5 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 4 is over

Dear Players,

Puzzle GP Round 4 has ended. You can see the preliminary results here: http://gp.worldpuzzle.org/content/preliminary-results-wpf-gp-puzzle-4a
Congratulations to the winner of the round, Ken Endo of Japan!

WPF Puzzle GP 2018 - Round 4 IB Published

Dear Players,

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

WPF Sudoku GP 2018: Round 4 is over

Dear Players,

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

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: http://gp.worldpuzzle.org/content/official-results-wpf-gp-puzzle-3a-0
Congratulations to the winner of the round, Ken Endo of Japan!

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.

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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.

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