I'd like to invite to SudokuCup: an interesting sudoku tournament that may be a refreshing experience for you.

Why is sudokucup special:
- best 30 players will be qualified for Czech sudoku championship 2009
- top puzzles in competition conditions without leaving home (PDF download, unlock, print and solve);
- practice booklet releases in November 2008;
- competition starts on for a period of 24 hours;
- points awarded for solutions sent within the first 2 hours;
- opened to players worldwide, with English, French, German and Czech language interface.

Address: http://sudokucup.com