Every Saturday a Dutch newspaper called NRC publishes a special Sudoku.

A normal Sudoku consists of 9 squares (3 by 3) but the NRC Sudoku has 13 squares which all must be filled with the digits 1 till 9. By using 13 squares they can create Sudoku’s with not more than eleven clues to start with.

To be able to solve Sudoku you need a NRC subscription. I know this is for most of the readers of Passion for Puzzles blog not an option. So if you want more information about the [Read More...]

Category: All Puzzles, Sudoku Puzzles

You can now register for The U.S. National Rubik’s Cube which will take place from the 4th till the 6th of August 2006 in San Francisco, California USA.

More information about registration, the different events, 3-day schedule and preliminary rounds can be found at the U.S. National Rubik’s Cube Championship 2006 website

Tags: Rubiks Cube

Category: All Puzzles, Rubik's Cube

Finally you can register for the European Rubik’s Cube Championship 2006 via speedcubing.com.

I already announced this in a previous post that more information should be available end of April but with a little delay you can now register for the European Rubik’s Cube Championship 2006 until the 8th of September 2006.

The European Championship Speedcubing 2006 (official competition WCA) will be held on Saturday 23rd and Sunday 24th of September 2006 in Paris, France. This competition is open to citizens of the European countries [Read More...]

Category: All Puzzles, Rubik's Cube

Another quick link to a 12 page printable pdf version (pfd no longer available) of 70 Sudoku’s for all Sudoku lovers published by the TimesOnline.co.uk.

There are different kind of Sudoku’s like classic Sudoku, killer Sudoku’s, poly Sudoku’s, diagonal Sudoku’s, odd/even Sudoku’s and 147 Sudoku’s including all solutions.

So for everyone with a passion for Sudoku puzzles there are at least a few nice Sudoku’s to solve. Happy Puzzling!

Tags: Sudoku

Category: All Puzzles, Sudoku Puzzles

Moon Valley released a PDA version of puzzle of 15 also known as Sliding game. Update: competition ended, you can find another Puzzle Of 15 version for your PDA)

You can download the PDA software for free and an iPod will be given away each month to the contestant who can solve the puzzle in the least amount of moves. The software includes different variation of Puzzle of 15 like Puzzle of 8 and Puzzle of 24.

For each puzzle there are prizes to win. Winners of the Puzzle of 8 receive an iPod Shuffle, [Read More...]

Category: All Puzzles

At Puzzle It you can solve several online puzzles. The Hexa Puzzle is the one I liked most and looks much easier than it seems.

You only have to place 12 different shaped puzzle into a hexagon (explanation of a hexagon). You can rotate (X-key) and flip (Z-key) all puzzle pieces to solve the puzzle. This puzzle will keep you online for a while. Happy Puzzling!

Tags: Puzzle Game

Category: All Puzzles

The last days were pretty busy at work, but I found some time to start with the birthday present Katamino from last weekend.

The first Katamino solutions for Penta 3 and Penta 4 [pdf format 280kb] I solved very quickly if I may say so, although it costs me still a lot of time to pick the correct Pentaminos (puzzle pieces are called Pentaminos) before starting to solve each puzzle.

At this moment looking for the right Pentaminos cost me more time than solving each puzzle but I know [Read More...]

Category: All Puzzles