Chebyshev distanceW
Chebyshev distance
Chess as mental trainingW
Chess as mental training
Eight queens puzzleW
Eight queens puzzle
King's graphW
King's graph
Knight's graphW
Knight's graph
Knight's tourW
Knight's tour
Mutilated chessboard problemW
Mutilated chessboard problem
Rook's graphW
Rook's graph
Shannon numberW
Shannon number
Taxicab geometryW
Taxicab geometry
Wheat and chessboard problemW
Wheat and chessboard problem