Hexadecimal notations in computer chess

Chess computer programs use a method for finding its next move in chess based on chess notations that are the same as hexadecimal, which can be used to encrypt a message the same way you program your next move on older computers playing chess.

Chess notations mark the locations on a 8x8 chess board where pieces can move but you can use it to encode a message, only your given more characters than the chess board provides!