You can add leagues, big or small, to Sports Club Stats.
   It's free.
   It's easy.
   Just email import@sportsclubstats.com the:
      structure
      schedule
      and rules
   In a few minutes you'll get back a link to the league.
   Play around, have fun, you won't break anything.
   I look forward to seeing what you create.

Info about the various settings:
   https://docs.google.com/document/d/1-UneDNk6tkOrc_B-WBnGnc5KGiy2kttXC2fW8dR7QzM/edit?hl=en

For example, here is what created this league:

LeagueBegin
  League: UM P12 VI syys 2   (ID: 1a1y4) (Sort: League) (Playoffs: 1)
    Team: FC POHU/valkoinen  (ID: t1xnv)
    Team: HIFK/white         (ID: t1xnw)
    Team: HJK/East val       (ID: t1xnx)
    Team: HJK/Malmi val      (ID: t1xny)
    Team: KäPa/AC white      (ID: t1xnz)
    Team: MPS/musta          (ID: t1xp0)
    Team: Ponnistus          (ID: t1xp1)
    Team: SAPA/vihreä        (ID: t1xp2)
  Kind: fantasy
  Sport: soccer
  Gender: male
  Country: Finland
  State: 
  Level: junior
  Season: 2019 (current: True)
  Author: A
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
League: Points, GoalsDelta, GoalsFor, Average Points HeadToHead, DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  3
  PointsForWinInOvertime:  3
  PointsForWinInShootout:  3
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0.15
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.55
  WeightType:  Pythagorean
  WeightExponent:  1.4
  WhatDoYouCallATie:  draw
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  Kakkonen
  Promote:  1
  PromotePlus:  1
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  Kolmonen
  Demote:  1
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
8/8/19    6:00 PM   FC POHU/valkoinen   3-6    MPS/musta           (ID: g1zizc)
8/8/19    6:00 PM   HJK/East val        2-8    HJK/Malmi val       (ID: g1zizd)
8/8/19    6:00 PM   SAPA/vihreä         1-7    Ponnistus           (ID: g1zize)
8/9/19    6:00 PM   HIFK/white          4-0    KäPa/AC white       (ID: g1zizf)
8/12/19   6:00 PM   HJK/Malmi val       4-6    HIFK/white          (ID: g1zizg)
8/12/19   6:00 PM   KäPa/AC white       3-4    FC POHU/valkoinen   (ID: g1zizh)
8/15/19   6:00 PM   MPS/musta           5-5    SAPA/vihreä         (ID: g1zizi)
8/15/19   6:00 PM   Ponnistus           5-1    HJK/East val        (ID: g1zizj)
8/19/19   6:00 PM   FC POHU/valkoinen   11-3   HJK/Malmi val       (ID: g1zizk)
8/19/19   6:00 PM   SAPA/vihreä         2-5    KäPa/AC white       (ID: g1zizm)
8/22/19   6:00 PM   MPS/musta           6-1    Ponnistus           (ID: g1zizn)
8/23/19   6:00 PM   HIFK/white          4-0    HJK/East val        (ID: g1zizp)
8/26/19   6:00 PM   HJK/Malmi val       8-6    SAPA/vihreä         (ID: g1zizq)
8/26/19   6:00 PM   Ponnistus           2-1    HIFK/white          (ID: g1zizr)
8/29/19   6:00 PM   HJK/East val        1-1    FC POHU/valkoinen   (ID: g1zizs)
8/29/19   6:00 PM   KäPa/AC white       2-2    MPS/musta           (ID: g1zizt)
9/2/19    6:00 PM   MPS/musta           5-3    HJK/Malmi val       (ID: g1zizu)
9/5/19    6:00 PM   FC POHU/valkoinen   3-3    HIFK/white          (ID: g1zizv)
9/5/19    6:00 PM   KäPa/AC white       2-1    Ponnistus           (ID: g1zizw)
9/5/19    6:00 PM   SAPA/vihreä         4-3    HJK/East val        (ID: g1zizx)
9/12/19   6:00 PM   HJK/East val        5-2    MPS/musta           (ID: g1zizz)
9/12/19   6:00 PM   Ponnistus           3-0    FC POHU/valkoinen   (ID: g1zj00)
9/13/19   6:00 PM   HIFK/white          2-6    SAPA/vihreä         (ID: g1zj01)
9/16/19   6:00 PM   HJK/Malmi val              Ponnistus           (ID: g1zj02)
9/16/19   6:00 PM   MPS/musta           6-1    HIFK/white          (ID: g1zj03)
9/19/19   6:00 PM   KäPa/AC white       3-0    HJK/East val        (ID: g1zj04)
9/19/19   6:00 PM   SAPA/vihreä         4-7    FC POHU/valkoinen   (ID: g1zj05)
9/24/19   6:00 PM   HJK/Malmi val              KäPa/AC white       (ID: g1zizy)
GamesEnd