sudokucup.com

Here you can find the tasks of the previous Sudokucups.

1) Sudokucup No1
The first Sudokucup was in January 2009 and it was open from 0.00 on January 17, 2009 to 23.59 on January 17, 2009.
The practice and competition puzzles can be open here.

2) Sudokucup No2
The second Sudokucup was in June 2009 and it was open from 0.00 on June 20, 2009 to 23.59 on June 21, 2009.
The practice and competition puzzles can be open here.

3) Sudokucup No3
The third Sudokucup was in January 2010 and it was open from 0.00 on January 16, 2010 to 23.59 on June 17, 2010.
The practice and competition puzzles can be open here.