There is great variability in the difficulty of Sudoku puzzles. Some can be very easy once you learn some simple techniques for solving them. Other puzzles can be extremely difficult!
The Guiness World Record for an easy game of Sudoku is 2 minutes 8.3 seconds. An ideal timing to participate in a Sudoku competition on hard or medium would be higher then that due to difficulty level.
The Guiness World Record for an easy game of Sudoku is 2 minutes 8.3 seconds. An ideal timing to participate in a Sudoku competition on hard or medium would be higher then that due to difficulty level.
there is no real satistics to a sudoku so unluky the are many ways to do a sudoku
Sudoku is a noun.
The puzzle known as "Al Escargot" (the snail) is currently considered the hardest Sudoku puzzle. It was created by a Finnish mathematician called Arto Inkala. One of the hardest Sudoku books available is "Extreme Sudoku" by Antoine Alary, not to be confused with "X-TREME Sudoku" by Nikoli & Co. or "Sudoku Xtreme" by Christopher Monckton, which are both an order of magnitude easier.
Lovers of sudoku can visit the BrainBashers website where they can find daily sudoku games. Billions of free sudoku can also be found on Websudoku. This is unlimited and can be played on all devices such as android or Ipad.
If you are referring to published Sudoku puzzles, the answer is No. These are generally designed to have exactly 1 solution. That fact can sometimes help solve a Sudoku by eliminating choices that create non-unique configurations. If you are asking about possible Sudoku boards, the answer is yes - there are many more possible sudoku puzzles with multiple solutions than with unique ones. Details and examples can be found at the related link.
Buku Sudoku happened in 2006.
Zen of Sudoku was created in 2006.
Zen of Sudoku happened in 2006.
Sudoku Gridmaster happened in 2006.
Rubik's Sudoku was created in 2006.