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Anti-Chess Killer Sudoku contains a few hybrids, which combine multiple anti-chess variants. Here is a sample that is both Anti-King and Anti-Knight, meaning no two cells one king’s move OR one knight’s move away from each other can have the same value.

MEDIUM Version
INSANE Version

The answer to both versions is the same and is here

After a couple of Killer TriDokus and a TriDoku X, I’d like to show you a classic TriDoku puzzle but somewhat more difficult (or so I think).

For those who are still unfamiliar with this type of triangular Sudoku variation puzzle, please refer to the introductory article.

Other TriDoku puzzles can be found in this category.

And finally, here is the puzzle.

TriDoku for Monday, June 14, 2010. Difficulty: IQ

Comments? Questions? Please!

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.