10-17 August 2014

World Puzzle Federation

UK Puzzle Association

Sponsored by

Get Brained Up

Principal Hayley Hotels

Croydon High School (Girls' Day School Trust)

23rd World Puzzle Championship

9th World Sudoku Championship

10-17 August 2014

Selsdon Park Hotel & Golf Club

Croydon, London

Welcome to the official website of the 23rd World Puzzle Championship (WPC) and the 9th World Sudoku Championship (WSC). The UK Puzzle Association is proud to be the host of these championships.

Registration is now closed for the championships. We are looking forward to welcoming 275 participants to the largest WPC+WSC ever! Please visit the relevant pages to learn more about the events.

You may ask any question about the championships in the new forum at

Alan O'Donnell
Chairman, UK Puzzle Association

29 July 2014 UN Team structure
If you are participating as part of a UN team, you can now request who you would like to be on a team with. See here.
28 July 2014 Discussion forums now available
Discussion forums regarding the championships are now open at
27 July 2014 Please ensure your flight details are correct
To assist you with your transfer to the hotel, you must ensure your registration form is up to date with your full flight details. Guidance on transfers will be available very soon.
27 July 2014 Guests participating unofficially
If you are registered as a guest, and wish to participate unofficially, please ensure you update your status to "UN Team", so we can accommodate you in the competition hall.