def METHOD_NAME(raw_match_info: bytes) -> float:
    """Handle match_info called w/default args 'pcx' - based on the example rank
    function http://sqlite.org/fts3.html#appendix_a
    """
    match_info = _parse_match_info(raw_match_info)
    score = 0.0
    p, c = match_info[:2]
    for phrase_num in range(p):
        phrase_info_idx = 2 + (phrase_num * c * 3)
        for col_num in range(c):
            col_idx = phrase_info_idx + (col_num * 3)
            x1, x2 = match_info[col_idx : col_idx + 2]
            if x1 > 0:
                score += float(x1) / x2
    return score