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. Tweet Tweet Diagonal Sudoku Tweet Jigsaw Sudoku Tweet […]

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How to solve Diagonal Sudoku X

I realize that I’ve never posted two sudoku solving techniques which are specific to Diagonal Sudoku puzzles. Tweet 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 […]

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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 […]

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CalcuDoku For Kids

After all those Kindle apps that I’ve published recently, it’s time for A NEW BOOK! Yes, that’s right, a new paperback book, which is also first of its kind: the puzzles in this book are designed for children. CalcuDoku for Kids consists of 200 CalcuDoku (aka square wisdom, mathdoku and other names) puzzles, split into […]

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Saturday Special: Anti Bishop Killer Sudoku

Here’s a new sample puzzle from Anti-Chess Killer Sudoku. This puzzle is another Anti-Bishop. There are several diagonals lightly drawn on the grid along which numbers may not repeat. This puzzle comes in 2 versions: HARD version INSANE version The solution for both versions is the same and is here.

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Saturday Special: Anti-Bishop Killer Sudoku

Here’s another sample puzzle from Anti-Chess Killer Sudoku. This puzzle is Anti-Bishop. There are several diagonals lightly drawn on the grid along which numbers may not repeat. This puzzle comes in 3 versions: COOL version BRAIN version INSANE version The solution for all three versions is the same and is here.

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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 […]

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