Sudoku Video Tutorial

These Sudoku Video Tutorials are the Most Complete Sudoku Solving Techniques you Will Find! From Beginner, Intermediate, Advanced to Very Advanced Levels of Solving Strategies. Plus Little Known Tips and Tricks by Experts through Step-by-Step Video Tutorials in Simple English!

Sudoku Puzzle Secrets

You're About To Learn The Secrets To Solving Sudoku Puzzles, No Matter How Much Time You Have Had To Prepare! It doesn't matter if you've never solved a sudoku puzzle in your life, This guide will tell you everything you need to know, without spending too much brainpower!

Sudoku Video Tutorial

These Sudoku Video Tutorials are the Most Complete Sudoku Solving Techniques you Will Find! From Beginner, Intermediate, Advanced to Very Advanced Levels of Solving Strategies. Plus Little Known Tips and Tricks by Experts through Step-by-Step Video Tutorials in Simple English!

Sudoku Puzzle Secrets

You're About To Learn The Secrets To Solving Sudoku Puzzles, No Matter How Much Time You Have Had To Prepare! It doesn't matter if you've never solved a sudoku puzzle in your life, This guide will tell you everything you need to know, without spending too much brainpower!

Showing posts with label sudoku history. Show all posts

Post or Host Your Sudoku Online – It’s Free and It’s Fun


Solve A Sudoku Series 9

Are you familiar with the Rubik’s Cube? Have you enjoyed the challenge it provides? If you enjoyed challenge and you still want to be challenged, try the Sudoku game. If you’re not familiar with the game, well, Sudoku is a number puzzle game that requires a lot of patience and logic skills. It is played on 9 inches width and 9 inches long grid that is divided to nine small squares. The aim of the number puzzle is to fill up the values starting 1 to 9 for it to be visible only once in every row and column. You are presented by few of the numbers and then you need to search for the position of the other values with the aid of your logic and deductive reasoning.

It is an addictive game that has spread throughout the United Kingdom like a storm and is currently taking over the world.  Ever since it existed in the late 19th century, the game’s popularity has cultivated.

It is fascinating puzzle game which can easily be found in books, newspapers, and game online sites. Free Sudoko games are now available on theses online sties. They are posted or hosted by some computer enthusiasts and Sudoku fanatics. 



Nowadays, you can now type your own Sudoku number puzzles, email them to your family and friends or you can even post them in forums. In addition, you can join in competitions on Sudoku Solving and you can email your puzzle solutions URL totally free.

Have you tried sharing your Sudoku games with your brother via email, or via forum or group postings? If yes, perhaps you already know how difficult the task is. Each day, tons of Sudoku sophisticates across the world attempt to solve Sudoko number puzzles. A lot of them share their Sudoku games, solutions, and intermediary steps. They will probably say that the sharing and posting of their Sudoku puzzle is one hell of a task.

Why is this sharing, posting or hosting Sudoku stuff difficult? It is because you have to compose your text-based Sudoku grid, or you have to put in the number entries in text form together with dashes or dots for the empty cells.

How totally ill at ease and time wasting? The entries would look like not a Sudoku. It would seem like worse for the person who reads. Are you able to solve the way it is. You have to carefully write the numbers on to your computer or in a piece of paper with the use of few templates before it make sense. After this, you can now sit back, breathe and relax.

A free Sudoku host online site has been made which then allow you simply to just crack in your own Sudoku game and you will be able to share them to anywhere and anyone throughout the internet. Your site is suitably named free Sudoku for you to able to host your own Sudoku puzzle for the entire world to see.

You just have to type the corresponding Sudoku numbers in the correct cells on a big Sudoku screen then just click on the submit key or button. It is that easy and simple. A URL will be provided by the site in which you can just copy then paste it to an email or place it in a discussion board. After a recipient had clicked on to such link, a page with “your Sudoko puzzle” phrase will be shown similarly the way you entered. The funky text grids and ASCII number junks will not anymore show up.

And the great part is when your recipients are able to try to decipher your Sudoku puzzle directly on to the web page that prompted. And it is surely free for them as well.

Finally, the prompted screen will allow the recipients to make deletions, additions as well as changes to the blank cells. However, they cannot make changes to the filled cells. They may attempt to solve your Sudoku puzzles in the “in situ” found on the screen.
Now, with these basic steps you can already host or post your Sudoku puzzles online, absolutely fun and free!

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Sudoku for kids and beginners


Solve A Sudoku Series 7

Even your four-year old child who is eager to learn games can play sudoku for kids. In the UK, the Sudoku fever has captured the minds of the people even the kids. The sudoku game has changed the way other people look at how the game is played. In the coming years, it is expected that more and more people will learn the basics of the game and be able to make use of it in practical situations.

It is amazing that some kids can play sudoku and the fact that they have fresher minds, they can think of good strategies that are helpful as they finish the game. In the UK, more and more children have played sudoku for kids. Some of the kids who did not play sudoku have been influenced by other kids from all over the countries most especially in the UK.

Why has Sudoku become so popular that many kids want to learn how to play it? Many parents ask if their kids will benefit from playing sudoku for kids. Since sudoku games are offered for free children can easily play sudoku for kids. A child can play it at any time when they feel like playing it with anybody. Kids will of course play simple steps from the sudoku game.

But as they grow with mastering the game, they will notice that they have their own strategies and tips to use for the game. Mastering their newly learned sudoku tips can be applied successfully in the sudoku for kids and you they can simply gain more sudoku tips as you they advance in the game. Sudoku for kids do not merely let them play the game but they get the chance to practice their skills and reasoning ability even in practical applications.

This is the reason why parents have been encouraging their children to play sudoku for kids because they can use it even in school or to increase their reasoning ability to be able to cope up easily with the changing world. Children who can play Sudoko for kids easily have bigger possibilities to excel in school or at other practical applications.

Reasoning ability and planning in the sudoku for kids is not just an easy step although it can be played simply. A child can choose whether he or she is ready to advance the level of the game. Since the game is offered for free from the newspapers or online resources, he or she can choose the perfect time to play the game.

Absorbing everything that they have learned will be helpful in learning new strategies and tips for the sudoku for kid’s game. If your child is interested in playing the game that he would exchange his or her favorite TV or cartoon show, which means that your child is one of a kind and that he is talented. If your child has a passion for playing the game, encourage them to keep up their learning ability because sudoku for kids is not just any ordinary game. It is unique and can help your child enhance his or her concept of the game.

Sudoku for kids originated in Japan with the meaning of single number. Although the game was very popular in Japan, the latest craze started in the year 2004 when a newspaper in UK started publishing the puzzle in the newspapers. Who would have thought that the game will be loved by many people especially the kids?

In just a few weeks, the puzzles have been picked up in other newspapers and the sudoku game became the favorite pastime of the commuters, parents and the kids too. It would be a bit impossible to believe that the kids have learned to play the game.

The sudoku for kids can be a brainy exercise. Let your children play the game until they want to play it because there is nothing to worry about. Instead of letting your kids play video games for the whole day, he might want to try a different kind of game that is meant to challenge his young mind.

Who knows, your kids might just be the best sudoku for kids player in history!

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Rules in Playing Sudoku


Solve A Sudoku Series 5

If you’re fond of playing puzzles, solving math problems, and think logic reasoning you can actually combine them all in playing the Sudoku puzzle.

For you to know, sudoku was first seen in a magazine published in New York in the late 70’s by specialist puzzle publisher Dell Magazines under the name of Number Place. “Su” means number in Japanese, and “doku” means the single place on the puzzle board so that each numeral can be fitted into. Although its name sounds like Japanese, its origins came from Europe and America in which the game shows the very best in thinking and reasoning. Sudoku initially caught Japan in 1986 and gained international prominence in 2005. Unlike many other games that were known within the span of time, nothing can beat Sudoku’s challenge.


Sudoku, commonly known as the Number Place, is a logic type placement puzzle. The aim of the puzzle is to place numerical digits from 1 to 9 in each cell of a 9x9 grids that is made up of 3x3 subgrids or regions. To start playing the game, you are given in some empty cells numerals which are called “givens”. The goal of the puzzle is to put the numbers 1-9 to which it must contain only once in each subgrids, rows, and columns.

Basic rules

Rules in playing the game are very simple:

•  Sudoku is played over a 9x9 grid, divided in 3x3 subgrid.
•  Begins the play with some given numerals from 1-9 that are placed in grid cells.
•  A number can only appear once on each row.
•  A numeral can only appear once on each column.
•  Digit can only appear once on each region.

Now you finally know the basic rules in playing the game, but you’re really just starting the process of making solutions to how finish the game. There are some solutions methods that can help you and these are:

•  Scanning- it can be performed from the very beginning and throughout the solution process. Scanning basically has two techniques, first the cross-hatching. Cross-hatching technique can identify which line in a particular region may contain a digit that can be eliminated. The second is counting the region, columns and rows in identifying missing numbers. Counting based upon the last digit discovered may actually speed up the corresponding search.

•  Marking Up- the candidate numbers are simply written in subscript in the cell. The disadvantage of this is that some first puzzles are printed in magazines and newspapers which are usually small to accommodate many preferred numbers. Unlike to some newly designed Sudoku game board, all inputs are done electronically. You can also use a pattern of dots within the cell, wherein the position of the dot corresponds a number from 1-9. Dot notation can be an advantage to a sudoku that is printed in paper. In playing sudoku in print, using a sharp pencil with an eraser is highly recommended.

•  By Analysis- you can approach the game by either “candidate elimination or “what if”. In candidate elimination, numerals from one or more cells are eliminated and leaving just one choice. After each answer is placed, another scan can be done. You can check to see the effect of the contingencies. In “what if” approach, a cell can be placed with two candidate numbers then a guess should be made.

Difficulty ratings

Published Sudoku puzzles are ranked depending of rate of difficulty. For you to understand, the numbers that are given has nothing to do on a puzzle’s difficulty. A sudoku puzzle with less number of givens may be very easy for you to solve. A sudoku puzzle with more number of givens can still be very difficult for you to solve as the difficulty rate of the puzzle depends on the relevance and positioning of the given numerals rather than the number of given placed in the grids.

Computer solvers find the range of difficulties for a human to find a certain solution, based on the complexity of the techniques needed. For in this kind of estimation allows publishers to take Sudoku puzzles to be very demanding. Some sort of publications rate their Sudoku puzzles into four levels are “easy”, “intermediate”, “hard”, and “challenging” are set.

So, by playing the “fastest growing puzzle in the world”, you can be sure to challenge your way of thinking and have fun in the process.

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How to Play Sudoku: Play the Puzzle that Takes the World by Storm

Solve A Sudoku Series 4

Do you know anything about the Rubik’s Cube? Who haven’t heard about it? Have you ever played with it? If you did and you are trying to go for a bigger challenge, try Sudoku. Sudoku is a number placement puzzle game that needs careful thought and intense patience.

Sudoku is a great puzzle that can be found anywhere from newspapers, magazines, textbooks, and on the internet. It consists of a series of grids. The grids usually involve one big 9 x 9 grid that holds, 9 3 x 3 tiny grids.




The main objective of this game is to put the numbers 1 to 9 into each of the grid units. In Sudoku, you do not have to add the numbers and look for the sum of the rows and columns.  Though it is a game number, definitely there will be no addition included.

However, there are three rules that must be strictly followed. And they are:

1.  Each of the numbers from 1 to 9 should come out only once in each column.
2.  Each number from 1 to 9 must appear once in each row.
3.  Each should appear once in each small 3 x 3 grid

These rules should be followed significantly to make sure that each 3 x 3 grid has the numbers from 1 to 9 to show in the series only once. In this way, it is assured that it increases the challenge and difficulty in playing the game.

Sudoku game puzzle comes in different levels of complexity. The total of numbers provided in the first level in the 9 x 9 matrix differs. Many people think that the game would be easy if there are more numbers given at the first level. However, this is not so true because the assignment of the each number has an intense effect in making the puzzle difficult to solve.

Now, how will you play the puzzle game?

As mentioned above, you have to follow the three rules. Once you have put that in your mind, you may start playing the game. The following are steps which you can use in playing the sudoku.

•  You do not have to guess everything when playing. The Sudoku puzzle can be solved sensibly. All you have to do is to think about it carefully. The best way to begin the puzzle is by searching for the clues. Majority of the players begin by looking for the numbers that often appear in the first puzzle. For instance you have many 4’s in the first puzzle. Look in the 3 x 3 box if the number 4 is also there. Now, can you find out other places where there is also the number 4? Start looking for the no. 4 in the rows and columns. These can help you locate where the other 4’s are. Remember, the number 4 must appear only once in each of the 3 x 3 box, rows or columns. If there is already a 4 in the columns 1 and 3, then there’s should be no other 4 in any of those 2 columns. Thus, the missing 4 should be replaced in column 2. If you are able to remove all the potentials in the box, you will have a bigger chance of solving it correctly.

•  At the time that you are done looking at all the 3 x 3 boxes, you must ensure to fill in the numbers 1 to 9 in the rows and columns that hold most of the numbers. If only two numbers are not in the row or column you can always do the elimination method to know where to place the last two numbers. Check the rows and the columns to locate the missing numbers. If you have eliminated one of the possibilities on each row or column, there is a chance to fill the line you are playing.  

•  The two steps above will help you solve the simplest or the easy Sudoku. On the other hand, difficult puzzles need players who know how to look for the possibilities of the puzzle. The possibilities basically need someone who will solve and win the puzzle with all the given different choices in every square. There may be times that there is no way to remove a possibility, so a player will have to choose any of the numbers. When this happens, it is necessary to remember where you have chosen a number and think if your first choice was wrong.

Sudoku is game of wits. Sometimes, you will feel that you are only playing a non-stop game. But, following the steps and practicing it will help you know the techniques that are helpful and will lead you to victory.

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How to Play and Solve Sudoku


 Solve A Sudoku Series3

When you hear the word puzzle, what is the first thing that comes into your mind?

There are so many words that could jumble in your mind; it could be a problem, a riddle, a question a mystery and a lot more. However, can you not realize it that the bottom line for every puzzle is to find a solution?





This is the same thing with Sudoku puzzle. First, it is important that you need to get yourself acquainted about the basic rules and instructions about playing it. Second, you should learn to establish your own strategy for winning it and lastly is to arrive at a certain goal.

After being able to know the history and the factors included in the game, you will now arrive at a very essential aspect, which is the solution method. In Sudoku, there are actually three processes that are combined together in solving the problem given to you.

•  Scanning

This is carried out at the beginning and throughout the performance of the solution. This can be done only in between the analysis period. It has two techniques namely the Cross-hatching that involves the process of eliminating numbers from the rows or columns. Second is the Counting method. This is utilized in identifying the missing numerals that will help in speeding up your search. A player usually explores all the possible contingencies during the process of scanning.

•  Marking up

This follows when scanning ends. This is the time when the player couldn’t find any further numeral that can be discovered. It is the turning point for your logical analysis. It is helpful if you can make use of some notations that will be placed on the blank cell for your guidance. Your notation can be represented by either a subscript or a dot. It will depend on your preference.

•  Analysis

This is now the final process that you will have to do. It involves two main approaches, the so-called “candidate elimination and the what-if”. On the first approach, progress is done by sequentially removing the candidate numerals to the point that there will only be a single choice that will be left. For every solution achieved, another scanning can be done. Several methods of candidate elimination can also be applicable; it can be through matching of the cells or matching of the numerals.

The “what if” approach will somehow include guessing, although you will still need to follow your logical choice of number. A cell that has only two candidate numerals is chosen and then you can make your own guess.

In Computer solution, it also uses a distinct approach whereas algorithm is commonly used. However, other more effective general approaches have been found. It constitutes Sudoku solving programs such as the following:

•  The emulation of the solving methodology of man as closely as possible. This will allow the determination of the level of difficulty of any inputted puzzle.

•  One should have the capability of solving the problem given on a puzzle as efficient as possible. Through this, man can create a faster resort for computation.

It is a fact that it is possible for computers to find a solution for the puzzle problem as quick as you want it. However, you should also be able to determine if the method used by the computer is valid or not. In other words, it should only have one exact solution for every problem. Some of the computer analysis could even imitate a human solver, such as the marking up approach. Rapid solvers can as well use the trial and method process so that they can create the best possible solution for the problem.

In Sudoku puzzle, it is also quite ironic unlike other types of puzzle games. The lesser the numerical figures that are given is easier to solve while the more average numbers given are more difficult. Thus, the level of difficulty is not being gauged on the quantity of the given number but with the positioning of the digit.

No matter what approach you seize in playing Sudoku puzzle, as long as you know its proper rules and strategy in every move that you make, you can surely win the game.

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Remembering the History and Development of Sudoku

Solve A Sudoku Series 2

Ancient civilization is known for its creativity and intelligence. They also have different forms of entertainment. Unlike today, people are dependent on the benefit of modern technology. In every corner you will see inventions such as radios and televisions. This is how people today make use of their spare time.

Sometimes, people also get bored with modern technology and turn to their mind and formulate their own brain twister in a form of riddles. This is how people explore their way of thinking and also their creativity. People naturally love activities that could twist their mind and form new ideas.

History speaks that some of the recent games that mankind have today are based on the ideas of early people, although with some innovations applied. Sudoku is one of the games that have existed since the ancient times. Perhaps this is the first time that you heard about the term. You might ask yourself what Sudoku is all about and where it originated.

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