In the previous article in this series, we showed how to get started at solving Sudoku puzzles by searching the grid for “low-hanging fruit” and using simple process of elimination skills to identify which numbers need to go in which empty spaces.

Sudoku is one of the world’s most popular puzzle games, but even though it’s a game played by millions of people all over the world, there is a big difference in skill level between the most successful Sudoku players and average Sudoku players who enjoy the game just as a casual hobby.