There are 64 squares on a chessboard.
there are 204 total squares on a chessboard or a checkerboard
64 squares.
A chessboard is not 9 by 9.
204
64
64
204
There are 64 squares on a chessboard.
There are 32 dark chessboard squares with 16 black chessmen .
There are 64 squares on a chess board. 8x8
there is no formula - the answer is 64