X-Wing Sudoku Technique Explained

Welcome to this new video, explaining the X-Wing technique that can be used to make progress with solving sudoku puzzles. X-Wings are normally the hardest technique you might be expected to know to solve the harder puzzles in mainstream newspapers. The video shows an example of an X-wing, illustrating its distinctive shape in the grid, and then how the X-wing can be used to make deductions by means of removing pencilmarks from other squares in the grid. If you like sudoku puzzles and other logic puzzles, you can play them daily with a membership at our Puzzle Club: