public Tuple <int, int> PlayerMove(Board board)
{
do
{
Console.WriteLine("Enter board position: ");
string squareNumString = Console.ReadLine();
squareNum = Convert.ToInt32(squareNumString);
if (squareNum < 1 || squareNum > 9)
{
Console.WriteLine("That is an incorrect input, try again.");
}
} while (squareNum < 1 || squareNum > 9);
var position = board.BoardPosition(squareNum);
return(position); // item 1 = rows, item 2 = columns
}