public Chessboard ()
	{ 
		fields = new Field[NUMBER_OF_ROWS][NUMBER_OF_COLUMNS]; char row = 0;
		byte column = 0;
		for (int r = 0; r < NUMBER_OF_ROWS; r++)
		{
			row = (char) (FIRST_ROW + r);
			column = FIRST_COLUMN;
		
			for (int c = 0; c < NUMBER_OF_COLUMNS; c++) 
			{
				fields[r][c] = new Field (row, column);
				column++; 
			}
		} 
	}