World Puzzle Federation

We'll be speaking to Gareth, Thomas Snyder and Prasanna Seshadri at 2.30pm today on one of the World Sudoku & Puzzle Convention events this week. Love to see you there! Details below :)

I'll be live from 2:30pm GMT today on the World Sudoku + Puzzle Convention puzzle creators' panel, hosted by Mark and Simon from Cracking the Cryptic @crypticcracking - Zoom password is WS+PC2021 zoom.us/j/89107225409 See also: logicmastersindia.com/forum/forums/t… @officialwpf

Join us for the Top Puzzle Solvers Panel at WS+PC 2021. We start at 5:30 AM GMT on Wednesday on Zoom: us02web.zoom.us/j/87420431736 Host: Wei-Hwa Huang (USA) Panelists: Philipp Weiss (Germany), Freddie Hand (UK), Yanzhe Qiu (China), Walker Anderson (USA), Palmer Mebane (USA)

Dear puzzle friends, please notice that the 5th round of the WPF Grand Prix 2021 has been extended by 24 hours due to technical problems. We are sorry for the inconvenience. The contest now ends on Tuesday 25th May 23:59:59 GMT+2. gp.worldpuzzle.org/node/3

The 5th WPF Puzzle Grand Prix 2021 has just started, enjoy! Instruction Booklet: gp.worldpuzzle.org/content/instru… How to solve: gp.worldpuzzle.org/content/instru… #puzzle #wpf #puzzlegp2021

The 5th WPF Sudoku Grand Prix 2021 has just started, enjoy! Instruction Booklet: gp.worldpuzzle.org/sites/default/… How to solve: gp.worldpuzzle.org/content/instru… #sudoku #wpf #sudokugp2021

The 4th WPF Puzzle Grand Prix 2021 has just started, enjoy! Instruction Booklet: gp.worldpuzzle.org/content/instru… How to solve: gp.worldpuzzle.org/content/instru… #puzzle #wpf #puzzlegp2021

Can anyone help poor Marge who, per the message in the attached tweets (which appeared this pm on our Discord server), seems to have been left a sudoku in her grandfather's will!!? (1/3)

2021 WSC & WPC POSTPONED With regret, we have to inform you that the 2021 World Sudoku & Puzzle Championships scheduled for Shanghai, China, in October have been postponed. More details here: worldpuzzle.org/news/147/ #sudoku #puzzles #wpf #2021

Hmm... What about declaring today to be an International Sudoku 4x4 Day? Solve online: f-puzzles.com/?id=yzmwn6at

A very unusual bonus video this morning where one of the world's best constructors, jovi_al, explains how to set a sudoku. Enjoy! youtu.be/8DU5IQqUaw8 #sudoku

Get ready for the 3rd WPF Puzzle Grand Prix 2021! Instruction Booklet: gp.worldpuzzle.org/content/instru… How to solve: gp.worldpuzzle.org/content/instru… #puzzle #wpf #puzzlegp2021

Fillomino (no 2x2) puzz.link/p?fillomino/v:… Extra rule: no 2x2 cells can be in the same region. π

2021年のWSC・WPC選抜大会の日程が決定しました。 #WSC選抜大会 2021　6月19日（土） #WPC選抜大会 2021　7月10日（土） 世界大会が実施されない場合は、昨年同様オープン大会に変更となります。

Happy St. Patrick‘s Day! 💚 Wishing you a rainbow of happiness and good cheer with this great Irish Clone Sudoku made by Jan Zvěřina. Online solving: f-puzzles.com/?id=yjazrmz2 #sudoku #StPatricksDay #StPatricksDay2021 #Ireland

【Announcement for Pre-PGP 2021 R2】 Pre-PGP 2021 R2 is a puzzle contest aimed at intermediate puzzlers, consisted of the same types of puzzles as PGP 2021 R2. For more details, please refer to the images below. #pPGP

Get ready for the 2nd WPF Puzzle Grand Prix 2021! Instruction Booklet: gp.worldpuzzle.org/content/instru… How to solve: gp.worldpuzzle.org/content/instru… #puzzle #wpf #puzzlegp2021

If you want to be astonished today, take a look at this video featuring the incredible Tantan Dai, the fastest female sudoku solver ever. Completely humbling. youtu.be/CuIHDxowMWM #tantandai #howcananyonebethisfast

Happy Valentine's Day! Enjoy our heart-shaped even sudoku 💝 f-puzzles.com/?id=y6lg7765

2021 Sudoku GP round 2 announcements! #sudoku #sudokugp #sudokugp2021 #WPF #worldpuzzlefederation gp.worldpuzzle.org/content/instru…