This is the archive of the old posts from Djape .Net, more or less as they used to be. Please go to djape.net to see the new website.

Tag Archives: Diagonal Sudoku

How to solve Diagonal Sudoku X

By djape | Published: December 8, 2012
I realize that I’ve never posted two sudoku solving techniques which are specific to Diagonal Sudoku puzzles. Here they are. Diagonal and nonet interaction This one is a simple extension of the “row/column and nonet interaction technique”. Just look at this sample puzzle which has been solved using the standard techniques up to this point: […]
Posted in Solving tips, Sudoku Variants | Also tagged , , , , , , , , | Leave a comment

Diagonal Sudoku

By djape | Published: December 7, 2012
Can you imagine that I never posted a plain Diagonal Sudoku X puzzle here on the main page? I’ve posted a few Diagonal Samurai Sudoku puzzles and of course I often post Sudoku X puzzles on the Sudoku Variants page. Well, that’s about to change. 🙂 Here is a Sodoku X puzzle which is not […]
Diagonal Sudoku book

Posted in Free sample puzzles, Sudoku Variants | Also tagged , , , , , , , , , | 5 Responses

Why do I make puzzles? A brief history of Djape.net

By djape | Published: January 14, 2012
A short answer to that question would be: because I enjoy doing it! … but here is a long version, too. Back in the summer of 2005 I realized that it’s about time I had my own website. At that point I had been computer programming for years and it kinda made sense that I […]
Posted in General, Killer Sudoku, Reviews, Samurai sudoku, Washington Post | Also tagged , , , , , , , , , , , , , , , , , , , , , , , , , | 6 Responses

Outside Sudoku and its variants: You Really Should Try this Type of Sudoku

By djape | Published: December 22, 2011
After two new book reviews from Amazon that I posted, here I’m posting all reviews of one of the books that should catch your attention: Outside Sudoku and its variants. This book is special because it contains a variety of a variety. 🙂 Outside Sudoku puzzles have essentially the same rules as classic Sudoku, but […]
Posted in Jigsaw Sudoku, Reviews | Also tagged , , , , , , , , , , , , , , , , , , , , , , , | 2 Responses

Diagonal Jigsaw Samurai X Sudoku Variant puzzle

By djape | Published: September 14, 2011
When was the last time I posted a Sudoku Variant puzzle for the first time? I can’t remember. Especially a puzzle that is a combination of many popular variations of Su Doku. The reason why I decided to create and post this puzzle is because one of the visitors to this website asked me about […]
Jigsaw Samurai Sudoku book

Posted in Free sample puzzles, Jigsaw Sudoku, Samurai sudoku | Also tagged , , , , , , , , , , , | 3 Responses

Triangular Sudoku variant: TriDoku X

By djape | Published: February 18, 2010
If you can have Diagonal Sudoku or Sudoku X puzzles, why not have a TriDoku X? Although it looks more like a TriDoku *, I decided to keep the “X” in the name. Perhaps it could be called a TriDoku Star? Whatever you call it, I think the additional rules are obvious: in addition to […]
Tridoku , triangular Sudoku

Posted in Free sample puzzles, Sudoku Variants | Also tagged , , , , , , | 3 Responses

Diagonal Sudoku Samurai

By djape | Published: December 31, 2005
Diagonal Samurai Sudoku X for New Year’s Day – this is the only place you can find these kind of Sudoku puzzles! Warning: Today’s puzzle is the MOST difficult Samurai X yet! Basically, not only do you have to fight against 5 interconnected Sudokus, but you also need to be carefull about the diagonals: ALL […]
Samarai Sudoku book

Posted in Free sample puzzles, Samurai sudoku | Also tagged , , , , , , , , , , | 5 Responses

Triple X

By djape | Published: November 28, 2005
Another overlapping sudoku variant – now with 3 Sudoku X puzzles. Warning: This puzzle is quite difficult even that it can be solved using only basic sudoku solving techniques. You must work on all three puzzles in order to get the solution. Also, I think you might get confused about the “fourth” puzzle which you […]
Diagonal Sudoku X

Posted in Free sample puzzles, Sudoku Variants | Also tagged , , , , , , , , | 15 Responses

Diagonal Sudoku Wing X

By djape | Published: November 26, 2005
Instead, a very similar yet different variation – the true Wing X. This is not to be confused with the X-Wing solving technique! Wing X for Saturday, November 26 – this is the only place you can find these kind of Sudoku puzzles! Basically, not only do you have to fight against 5 interconnected Sudokus, […]
Super Sudoku Quad Samurai Puzzle Book with Variants

Posted in Free sample puzzles, Samurai sudoku | Also tagged , , , | Leave a comment

Two very cool puzzles today!

By djape | Published: October 7, 2005
I’ve posted two very beautiful puzzles today. Killer Sudoku: This one might look very difficult but after a tough first step, the solution unfolds really easy. This is at least how I got the solution :), there could be a simpler one. Anyhow, I will use this one to explain the technique that I call […]
Posted in Killer Sudoku, Solving tips | Also tagged , , , , , , , | Leave a comment
eXTReMe Tracker