Try to practice on UK WPF Sudoku Grand Prix!
In our Daily League we are preparing for you these sudoku variants:
06.05.2013 - XV Sudoku
(practice on WPF Sudoku Grand Prix — UK Sudoku Championship
)
07.05.2013 - Diagonal Sudoku
(practice on WPF Sudoku Grand Prix — UK Sudoku Championship
)
08.05.2013 - Thermo Sudoku
(practice on WPF Sudoku Grand Prix — UK Sudoku Championship
)
09.05.2013 - Deficit Sudoku
(practice on WPF Sudoku Grand Prix — UK Sudoku Championship
)
10.05.2013 - Killer Sudoku
(practice on WPF Sudoku Grand Prix — UK Sudoku Championship
)
11.05.2013 - Surplus Sudoku
(practice on WPF Sudoku Grand Prix — UK Sudoku Championship
)
12.05.2013 - Palindrome Sudoku
(practice on WPF Sudoku Grand Prix — UK Sudoku Championship
)
http://sudokucup.com/node/1901?typ=varianty