The New Sudoku Players' Forum

[Guest]

What is the lowest number of clues (given numbers) you can put on a sudoku board, and have a unique solution?

How many different such boards are there, not counting mirrored, shifted, and/or rotated versions?

[RFB]

See the long running and lengthy thread
on Sudoku Maths http://forum.enjoysudoku.com/viewtopic.php?t=44

I haven't attempted to follow the arguments