Sudoku Tips And Tricks X Wing

This is my second worked example.

Sudoku tips and tricks x wing. If lines are drawn with the columns and rows. In this article i use one of my hand crafted very difficult puzzles that has a known x wing pattern. Tips on solving sudoku puzzles sudoku solving techniques. How to identify sudoku x wing.

Cracking the cryptic 702 219 views. Remember how the x wing involved 2 possible numbers in two rows. Advanced sudoku strategy x wing. Apply these sudoku tips and you will solve most sudoku puzzles.

Diagram 1 shows the starting blank sudoku puzzle. If you haven t mastered the x wing strategy yet you ll likely find this strategy frustrating and possibly useless. The most under used sudoku technique duration. Where you can use the x wing strategy.

A column variation with step by step instructions. It s an advanced strategy for sure. Now imagine if the red cells are the only cells in column 2 and 8 in which. And this example uses the column variation of the x wing technique.

There are two ways to approach the sudoku solving process. X wing this method can work when you look at cells comprising a rectangle such as the cells marked in red. Your ability to identify and solve this pattern will often break the logjam and lead you to the solution of a challenging sudoku game. In this example let s say that the red and blue cells all have the number 5 as candidate numbers.

This is a very complicated technique and one of the hardest sudoku solving techniques available. You can read all the sudoku tips you want but you need more than an understanding of sudoku rules and a sudoku strategy to be a true puzzle master. The x wing and how to spot it duration. This is the same idea except now we re looking at 3 possible numbers in 3 rows or columns.

Having three rows and columns instead of two. Image via learn sudoku. It may seem impossible to you to solve anything but the most simple sudoku puzzles. Worked example using the x wing strategy.

The x wing method is a way to help you solve very hard sudoku puzzles. Well i have some good news. Which includes another x wing tutorial. The swordfish shares similarities to the x wing technique but in a far more expanded way.

However in this sudoku tutorial you will see an example of a sudoku puzzle. A sudoku x wing pattern occurs in many of the more difficult sudoku puzzles. For another worked example see my previous post included below. To solve the hardest puzzles and games use advanced strategies such as x wing xy wing and swordfish.