The World Sudoku Championships start on Monday, with competitors from 31 countries set to spend 28 hours solving the toughest ...
Once you know these Sudoku tips, you will be able to solve even the most challenging puzzle. What are the basic rules of Sudoku? You can read all the Sudoku tips you want, but you need more than ...
This year, competitors were required to solve nine Sudoku puzzles within a 30-minute time limit. Morinishi and Endo both solved all correctly in 20 to 29 minutes. Endo attributed his speed to ...