public override IEnumerable <Square> GetAvailableMoves(Board board)
{
AvailableMoves moves = new AvailableMoves(board.FindPiece(this));
// create 2D array of move adjustments
int[,] adjustments = new int[, ] {
{ 1, 1 }, { 1, 0 }, { 1, -1 }, { 0, 1 }, { 0, -1 }, { -1, 1 }, { -1, 0 }, { -1, -1 }
};
moves.AddAdjustedSquares(adjustments);
return(moves.Squares);
}