move
Places an X or an O on the specified index depending on whose turn it is.
Return
true if the move has not already been played
Parameters
index
the position on the board (example: index 4 is location (0, 1))
Places an X or an O on the specified location depending on who turn it is.
Return
true if the move has not already been played
Parameters
x
the x coordinate of the location
y
the y coordinate of the location