### Weblog > Sudoku Puzzles

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### Sudomind – Cross between Sudoku and Mastermind

Creative Pocket has launched Sudomind, a fantastic game that is a cross between Sudoku and the venerable Mastermind.

Like in Sudoku, the aim of the game is to fill a grid with pieces according to some rule; but there is an additional problem: you don’t know the rule! So, like in Mastermind you will have to guess the secret rule by observing the moves accepted or refused by the program.

The pieces can have different shapes, colors and numbers; and the secret rule randomly uses one of these features and involves the lines, columns or squares from the grid. At [Read More...]

### How To Solve Any Sudoku Video

At ifilm.com I found a video called “Tips on how to solve any Sudoku puzzle”, Posted by kimberlyredcup22.

The video describe how to solve any Sudoku puzzle with the use of Excel or any other spreadsheet program. There is only one mistake they made at the end (around 1m34 they remove the a nine in one of the cells in the upper right square (3×3), and also the nine in the corresponding row and column, but they forget to remove the nine in the other cells in the upper right square.

The video visualize at least how this [Read More...]

### The Hidden Logic of Sudoku

The Hidden Logic of Sudoku, a book by Denis Berthier, provides stimulating new insights into the popular game. It proposes new graphical representations and new resolution rules. Additionally, it sets new standards of rigor in the approach to Sudoku.

The “Hidden Logic of Sudoku” provides the first systematic perspective of the logical symmetries of the popular game. These are fully exploited to define new graphical representations, new kinds of resolution rules and a precedence ordering of the rules consistent with their logical complexity.

The set of rules defined in the book is illustrated with [Read More...]

### US Sudoku Championship set for Philadelphia

In several media you could already read the announcement about the Sudoku Championship 2007 in the US.

The Philadelphia Inquirer announced it will hold the first national Sudoku championship in the fall at the Pennsylvania Convention Center. The championship, October 19-21, will be hosted by puzzle master Will Shortz and will be open to a national and international field of contestants for beginner, intermediate and advanced categories.

In addition to a spot on the U.S. World Sudoku Team, the advanced level winner will receive \$10,000 plus expenses paid for travel and accommodations to the World Sudoku Championship in India. The [Read More...]

### Casino Sudoku

The people from the world famous Wrigley’s chewing gum and their online game website Candystand.com have leaped on the Sudoku with a casino twist.

This Casino-style take on the classic brain teaser Sudoku with the same rules only a different lay-out (numbers, chips and suits), different difficulty levels and much more.

Casino Sudoku has very nice graphics and lovely music. Happy Puzzling!

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### How to Solve Greater Than Sudoku’s

ReallyEvilCanine is his blogname and he is blogging from Munich in Germany.

At his blog called “A Day in a Life” he wrote a great article on how to solve Greater Than Sudoku’s which you can find at Killer Sudoku Online.

In almost 50 steps he will help you to solve Greater Than Sudoku’s. Using a simple code and a lot of colored images to show you how he solves Greater Than Sudoku’s.

It most have take a lot of work to work this out but it will [Read More...]

### New Sudoku Extend Game

Via PR-GB.com I found an article about new Sudoku variants called Sudoku Extend Game.

In this article they only mention that Sudoku Extend has different forms squares, that there are 28 various boards – actually 28 separate games and the game receives new quality due to the new form of squares. New algorithms for solution are necessary.

There is no reference in the Sudoku Extend article to any example of Sudoku Extend or any website (more information about can be read in the article). Maybe they are talking for example about Spring Sudoku[Read More...]

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