TOT 301 1991 Autumn O J2 flying rook on 4x4 chessboard
Source:
June 9, 2024
combinatorics
Problem Statement
The “flying rook” moves as the usual chess rook but can’t move to a neighbouring square in one move. Is it possible for the flying rook on a chess-board to visit every square once and return to the initial square in moves? (A. Tolpygo, Kiev)