Mastering Advanced Sudoku Techniques: Naked Pairs, Naked Triple, and Naked Quad
If you're an experienced Sudoku solver and looking for advanced strategies, Naked Pairs, Naked Triple, and Naked Quad are powerful techniques that can take your skills to the next level. These techniques involve identifying pairs, triples, or quads of cells with the same set of and eliminating those candidates from other cells in the same row, column, or .
Naked Pairs is a technique where you look for a pair of cells that have only the same two possible candidates. By eliminating those two numbers as candidates for all other cells in the same row, column, or box, you can reduce the number of potential candidates for each cell. Naked Triples and Naked Quads are variations of Naked Pairs that work on the same principles but involve finding groups of three or four cells with the same set of candidates.
If you find two cells in a row that have only the same two possible candidates, you can eliminate those candidates from all other cells in that row. This reduces the number of potential candidates for each cell and makes it easier to solve the puzzle. In the same way, Naked Triples and Naked Quads can help you eliminate candidates from groups of three or four cells in the same row, column, or box.
For example, in the image, the yellow cells only contain 1 or 9 as candidates. We can remove the candidates 1 and 9 from the rest of the cells in that row.
In conclusion, Naked Pairs, Triples, and Quads are powerful techniques that can help you solve even the most challenging Sudoku puzzles. By eliminating possible candidates for other cells in the same row, column, or box, you can reduce the number of potential candidates for each cell and increase your chances of finding the correct solution.
