Squeezing is the process of using two solved numbers in connected Blocks of the Sudoku board to solve the same number in the last connected Block. But let's look at the two most common methods first, Squeezing and Cross-Hatching. That's where our advanced strategy techniques will kick in. In a game of Sudoku, a player will typically begin their puzzle by working to solve as many numbers as they can by using several common techniques, inevitably getting stuck at some point when faced with the more difficult numbers to find.
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Now that we know the Sudoku rules, let's learn how to solve them! Sudoku Strategy: Squeezing Solutions As you continue to solve other locations of the board you'll find that 5's in other segments of the board will have prevented the 5 from being placed into any square other than the correctly solved square it currently resides in, since that would violate the simple concept of once per segment. For example, there won't be another 5 anywhere in the same Row or Column as the solved Five and of course not repeated in the E-Block. If this number is correctly solved for the puzzle, then it is also already in the correct position for all of the other segments that it affects. Notice where the solved row and column cross one another in the E-Block, with a "5" marked at the intersection.
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In the notation graphic to the left, we can see that the entire A-block has been solved, as well as one full row and column. If for any reason this is not true, then the number has not been correctly solved. So if you correctly solve a number in a Row, it must also be in the correct spot for the Column and Block that it happens to intersect with. This means that what is true for one segment must hold true for the other two. An example of a partially solved Sudoku board is provided in the next paragraph as a reference to these basic guidelines.Īll of the segments interact with one another perfectly in a solved Sudoku board. We will refer to the Sudoku board using these notation terms throughout the Sudoku strategy guide. Understanding this layout is very important as you will not be able to solve a Sudoku puzzle without this basic knowledge. Rows and Columns are also made up of 9 squares, with Rows running the length of the board horizontally and Columns standing vertically. We have the Blocks in our Sudoku strategy guide labeled A through I, displayed faintly in the background of each Block. Segments of a Sudoku Puzzleīlocks are composed of 9 squares inside of a slightly darkened border on the Sudoku board. So once the puzzle is correctly solved, you will be able to look across any Row, down any Column or in any Block and find each of the nine digits only once in each segment. A complete solution requires that each Block, Row and Column of the puzzle board must contain the digits 1-9 exactly one time each, but not more than once. This unique puzzle is based on a simple set of rules that interestingly enough also guide a player to solving each puzzle.
It assumes you've played through several puzzles and are familiar with the game. We now proudly welcome you to the Chess and Poker Dot Com Sudoku strategy guide that will help you tackle this always entertaining puzzle. You are just starting a game of Sudoku, the wildly popular puzzle game that has established itself as one of the most addictive games in the world.
You swallow hard, sharpen your pencil and embark on your journey, not knowing if you will return victorious or completely insane. A scattered group of numbers staring you in the face, seemingly tossed at random into the many squares of the puzzle. Tips and Techniques for Solving Sudoku Puzzles
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