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…

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Saturday Special – Killer ACAN Square

The two anti-chess variants anti-knight and anti-camel cannot both exist on a sudoku grid with the standard 3×3 nonets, so I’ve removed the nonets!  In chess, a knight moves 2 cells horizontally and 1 cell vertically or vise versa.  Since this puzzle…

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