Comment by codebje
Maybe it wasn't there when you played, but rule 6 states kings cannot attack each other; chess kings can move one square in any direction. Without this rule the puzzle isn't solvable by logic, only trial and error.
Maybe it wasn't there when you played, but rule 6 states kings cannot attack each other; chess kings can move one square in any direction. Without this rule the puzzle isn't solvable by logic, only trial and error.