# 6 x Medium Sudoku Puzzles

## Free Medium Difficulty Printable Sudoku Puzzles + Answers

### 5 Tactics for Solving Sudoku Puzzles

Sudoku is one of the most well-liked number puzzle games right at this moment. This puzzle game entails placing in numbers into blank slots. Now, the difficulty lies in the limitations it imposes.

1. Firstly, no same number from 1 to 9 must be repeated within the horizontal columns
2. Secondly, no identical numbers must be seen within the vertical rows as well
3. Lastly, none of the 1 to 9 numbers must appear in the 3x3 sub-squares of the sudoku puzzle

Since solving sudoku demands logic, then it is but understandable that a number of different tactics have been devised to help in speedily solving sudoku puzzles without making any blunders along the way.

## The 5 Most Common Procedures for Completing Sudoku Puzzles

### 1. The Easy Solving Strategies

These strategies are usually useful for beginner level sudoku puzzles. Since the majority of the digits have already been filled in, the puzzle can then be easily concluded. Some examples of these simple solving sudoku techniques are as follows:

#### The Single Candidate Technique

Much like the strategy’s name suggests, this evolves finding out accurately which number should go in a particular cell.

The most resourceful means to perform this method is to initially identify rows, columns, or sub-squares that have been complete with the most digits already. From there, you may rapidly reason valid values to consign in the particular empty cells.

#### The Single Position Tactic

This method will entail you to check rows, columns, or sub-squares that are already partly filled. This way, you get to pinpoint precisely which numbers go in which vacant cells.

### 2. The Medium Solving Methods

These models of solving sudoku tactics are your next line of attack if you are working on more difficult puzzles.

In addition, these intermediate level procedures can be employed as well if your pencil markings have proven to be a little uneffective in putting suitable numbers in the different cells.

Some of these are detailed below:

#### The Candidate Lines Attack

A lot like the single candidate technique, performing this tactic to help you in completing sudoku puzzles requires checking of the surrounding cells.

But instead of solely looking for helpful clues in the immediate cells, you will have to look systematically at the cells that are located farther than the cell you are trying to solve.

This way, you get to correctly eliminate which value guesses have invalid placements so that you get to invariably trim down your choices.

#### The Multi-Line Strategy

This system will normally require you to take a glance at 3 sets of closely situated sub-squares so that you get to rapidly identify which lines can be placed with exacting numbers.

#### The Double Pair Method

Much similar to the multi-line approach, this system for speedily solving sudoku puzzles needs you to come up with two number estimates for a cell, after which you use these to try and deduce the possible solutions in the nearest surrounding cells.

### 3. The Superior Methods for Solving Sudoku

If the first few strategies we described above do not aid you in distinguishing applicable number placements, then maybe it’s time for you to use much cleverer strategies for solving sudoku puzzles.

#### The Naked Pairs or Triples Strategy

Grab your pencil and begin expanding upon blank boxes of the likely values. Now, the key here is to look for precise number guesses that appear in precise identical combinations in other cells. Generally, these number guesses are either in two’s or in three’s.

Now, bear in mind that these pairs or triples may not be inserted in any other cells apart from the ones they have been annotated in. Because of this, you can then swiftly get rid of these pairs or triples from further annotated cells thus aiding you in quickly and systematically completing sudoku cells.

#### The Hidden Pairs or Triples Procedure

Now, this technique is a great deal more intricate to utilize when solving sudoku puzzles. This is because instead of seeing straight away figures in pairs or triples, an extra value hides them, hence the name “hidden”.

### 4. Master Level Techniques

Of course, highly clever techniques for completing sudoku puzzles are on hand as well. In addition, they have cunning names as well!

#### The X-Wing Approach

This method requires you to recognize 4 cells in horizontal columns and/or vertical rows which contain the same number guesses. When these are spotted, then it’s a good deal less difficult for you to rule out particular values in particular cells. Normally, the same figure estimates are positioned such that they create an hidden letter X, consequently the name.

#### The Forcing Chains System

This system primary starts out with you identifying cells which contain a pair each of the same value guesses. Choosing only cells with candidate pairs is important as putting one or the other of the values inevitably “forces” the unused number into the other vacant cell thereby solving the puzzle more quickly.

### 5. Exceptionally Challenging Solving Technique

Much like any other game that demands cunning and logic, this puzzle game also has one really tricky technique for successful solving. This process is normally applied if all the other less complex tactics prove to be insufficient for completing sudoku puzzles.

#### Another Technique - Nishio

This system for completing sudoku puzzles is pretty much like guessing. But to multiply the probability of getting the correct solutions, you will need to spot cells that have only two potential values.

You can then pick out 1 of these values to place in the cell so that you may start working your way through the puzzle. But if you get to encounter some repetitions, then you will unavoidably need to go back to the primary guess you put in.

#### New Free to Print Sudoku Puzzles

We have uploaded several new printable sudoku puzzles for you to enjoy. You can locate the new puzzles by clicking the following link.

#### Free Online Tetris Game

Play the classic puzzle rotatation game Tetris. See if you can beat the highest score! Play Free Tetris

#### Free Maths Game

Random numerical questions, try and correctly solve the sums as swiftly as possible. Free Maths Game

#### Printable Evil Sudoku Puzzles

###### Sudoku Techniques and Tips

The appeal of Sudoku lies in the broad difficulty the game can present, from simple to annoying, which allows users of all skill levels to play at an suitable level. Sudoku also offers a wide choice of procedures that can be used to complete puzzles, from straightforward to complex.

And that's where the real appeal of the game can be found, as every board can be solved through nothing but logical deductions. There is no guesswork or trial and error necessary, though these are often employed tactics as well.

Sudoku Techniques and Tips