For puzzles based on the movements of a knight piece in chess.

Puzzles whose core mechanic revolves around the possible moves of a knight on a chess board. In the game of chess, the knight piece can move on the board to at most 8 different positions. Any of these positions are reached by moving from the initial position 2 squares in any direction and then 1 square in a perpendicular direction.

-O---O-       N : Initial position of the knight
-O---O-       O : Potential move of the knight

See for more information about the board game itself.