import typing


def is_won(correctness: typing.Tuple[int, int], board_width: int) -> bool:
    """Compares the left of correctness against the width of the board.

    :param correctness: A tuple that contains the amount of colours in the correct position on the first index.
    :param board_width: Width of the board.
    :return: True if the first index is the same as the board width.
    """
    return correctness[0] == board_width