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: sample puzzle

Sudoku Variations

I’ve created numerous variations of Sudoku puzzles. Here is a list of some of them. View a more comprehensive list on the Sudoku Variants page. And then you can find even more of them in the Sample Puzzles category. You can also see my Sudoku Variations books. Diagonal SudokuJigsaw SudokuFlower SudokuOutside SudokuNon Consecutive SudokuSudoku SamuraiSudoku […]
Posted in Sudoku Variants | Also tagged , , , , | 1 Response

How to solve Diagonal Sudoku X

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: […]
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Non Consecutive Sudoku

As you may have noticed, I’ve been trying to make the navigation on the website a bit easier. In the right hand “sidebar” you can now find quick links to most popular kinds of puzzles. The “Sample Puzzles” category contains hundreds of puzzles which I’ve been posting since 2005. A nice feature is that when […]
Non Consecutive Sudoku Compendium

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

Saturday Special: Anti-King Killer Sudoku

Here’s another Anti-Chess sample puzzle: this one’s a bit harder than the last one. This one’s a HARD (4/5…BRAIN/IQ) Anti-King Killer (this puzzle was originally classified insane, but is actually easier than the insane puzzles in the book) Anti-King means that no two cells one king’s move move away from each other in chess can […]
Fiendish Killer Sudoku Book

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

The Law of Leftovers (LOL)

I promised to explain this technique, which applies to Jigsaw Sudoku (aka irregular blocks) puzzles, a while ago, so it’s time to keep the promise. You can find the same technique explained on various other sites, too. This technique is somewhat similar to innies/outies which is used for solving Killer Sudoku puzzles, but there is […]
Posted in Jigsaw Sudoku, Killer Sudoku, Solving tips | Also tagged , , , , , , , , , , , , , , , , , , , | 3 Responses

Cage Splitting – Killer Sudoku

Ok, here is the explanation of the “Cage/fence splitting” solving technique for Killer Sudoku puzzles that I promised before. I will use the puzzle posted on Friday, October 7 and solve it step by step using this method. We extend the idea of the “innies” and “outies” solving technique, except that you’re not looking for […]
Posted in Killer Sudoku, Solving tips | Also tagged , , , , , , , , , , , | 2 Responses
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