Sudoku Primer 172 - 4 Sudoku Tricks to Find One Number and Break Open the Puzzle

Learn how to use multiple sudoku tricks together to find numbers. This video shows 4 sudoku tricks, all used at the same time, to find a single number. But finding that number is the key to solving this puzzle. Before finding that number we are stuck. Once that number is found the puzzle becomes easy to solve.

► Twins
► Triplets
► Ambiguity Rule (Unique Rectangles)
► Ghost Numbers
► Double Column Elimination

Learn more about these and other techniques (and sudoku patterns) at http://sudokuprimer.com. You can find lots of other sudoku information at that site too.

► Video index
► Sudoku myths article
► Free blank printable sudoku grids
► Sudoku research
► Sudoku basics
► Sudoku t-shirts

Go to http://sudokuprimer.com to find all of this and more.

#StayHome and learn #WithMe - learn sudoku while you're self-isolating.

Видео Sudoku Primer 172 - 4 Sudoku Tricks to Find One Number and Break Open the Puzzle канала Harold Nolte