sudokucup.com

We have added 1 day to the competition because you've asked us to make the time window longer due to more competitions. So to competition end will be on 23:59:59 on September 23, 2013 (GMT + 1 hour).

New version of the Sudoku Booklet! (v.01 - updated 18.09.2013 23:09)!
There are small changes by puzzle Number? Place?. And puzzle 15 has number clues inside the grid which were missing there before.

Dear players,
we've published puzzles from Czech Republic Sudoku Teams and the Czech Republic Puzzle Teams Championships.

http://mcrtymu.sudokualogika.cz/node/781

Dear players,
English version of Puzzle booklet is now available!
http://sudokucup.com/content/practice-puzzles

Invite your friends to play SudokuCup 10 too!

Dear players,
English version of Sudoku booklet is now available!
http://sudokucup.com/content/practice-puzzles

Invite your friends to play SudokuCup 10 too!

Dear players,
9/9 is an International Sudoku Day so we wish happy International Sudoku Day to all of you!

Dear players,

I'd like to inform you that the missing puzzle is now available and you can play today's puzzle in The League of Extraordinary Ladies and Gentlemen. There is Poker Sudoku by Sina Hedayati prepared.

Good luck and I wish you lots of fun with solving!
Kodyn

Dear players!
We'd like to apologize to you but unfortunately Alternative Sudoku doesn't have unique solution and because of it this variant was canceled. Thank you for understanding.

Kodyn

Just a little video from the developing phase of realtime challenges I hope you will be able to test it soon

Dear players,

I'd like to inform you that the missing puzzle is now available and you can play today's puzzle in The League of Extraordinary Ladies and Gentlemen. There is Quad Sum Sudoku by Sumet Juariyamark prepared.

Good luck and I wish you lots of fun with solving!
Kodyn