Sudoku players that have been left frustrated by the latest puzzle they're trying out should turn to the handy X-wing technique. Named after the iconic Star Wars spaceship, the X-wing technique can ...

They baffle, delight, and frustrate millions of people around the world on a daily basis. But even the most dedicated Sudoku-solver might have never spotted this secret pattern. Mathematicians have ...

I was so excited to read about Jim Hurley’s helpful program for solving the Sudoku puzzles. I’ve tried them and became frustrated even with those listed as easy. But, today is my first time to feel ...