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…
Tag: sample puzzle
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…
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…
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…
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…
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…