Brain Teasers
Missing Chess Pieces
After reading the postcard from his room mate, who is on a one year world cruise, Mad Ade removed his special gold and diamond encrusted chess set from its secret hiding place (behind the huge pile of empty kebab wrappers), in anticipation of his friend Smelly O'Riley popping round for a game. Imagine Mad Ade's surprise to find all the diamond encrusted gold figures missing, all that is except one solitary Rook. He placed the rook on the chess board and began to think.
If a Rook can move any number of squares sideways/forward, but not diagonally, then what is the minimum number of moves the Rook needs to make, in order to pass over all the squares on the chessboard and return to the original position?
Note: Take any square as a starting position for the Rook.
If a Rook can move any number of squares sideways/forward, but not diagonally, then what is the minimum number of moves the Rook needs to make, in order to pass over all the squares on the chessboard and return to the original position?
Note: Take any square as a starting position for the Rook.
Answer
16 movesAs a Rook can move any number of squares sideways/forward, but not diagonally, and there are 8 rows and 8 columns on the chessboard; the Rook needs a minimum 16 moves to pass over all the squares and return to the original position.
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