def folder_from_egtb_name(name: str) -> str:
    """
    Determine EGTB folder (Xvy_pawn(less|ful)) from EGTB name

    :param name: EGTB name
    """
    l, r = name.split('v')
    prefix = f'{len(l)}v{len(r)}'
    suffix = '_pawnful' if ('P' in l or 'P' in r) else '_pawnless'
    return prefix + suffix