There's a lot more to Sudoku strategy than simply writing numbers in a row and column. Sitting down before a fresh Sudoku grid and playing Sudoku requires logic, not guesswork, and a substantial ...

In the team category, Japan finished second to the United States. At the World Sudoku Championship (WSC), which focuses only on number-placement puzzles, Japan won first place in the team category.

By Elie Levine and Sam Corbin Sudoku is like any other logic puzzle, in that it relies on deductive reasoning for its solution. There are numbers in the game, but no arithmetic is required to ...