public boolean validBlackMovement(double x1, double y1, double x2, double y2, Square newSquare)
	{	
		boolean move = false;
		
		if( ((x2 == x1) && (y2 == y1 - PAWN_MOVEMENT_RESTRICTION)) && newSquare.getPiece().getPieceType() == "-")
		{
			move = true;
			super.setHasMoved(true);
		}
		else if( ((x2 == x1 && (y1 == BLACK_PAWN_Y_STARTING_SPOT)) && (y2 == y1 - STARTING_PAWN_MOVEMENT_RESTRICTION) && !(super.hasMoved)
				&& newSquare.getPiece().getPieceType() == "-"))
		{
			move = true;
			super.setHasMoved(true);
		}
		
		return move;
	}