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: MidSouth Conference U16 Boys 2020 (MidSouth U16 Bo) (ID: 1a21c) (Sort: League) (Playoffs: 1)
    Team: Baton Rouge                                         (ID: t1zjn)
    Team: Bentonville                                         (ID: t1zjp)
    Team: Hattiesburg                                         (ID: t1zjq)
    Team: Huntsville                                          (ID: t1zjr)
    Team: Louisiana                                           (ID: t1zjs)
    Team: Memphis                                             (ID: t1zjt)
    Team: Mississippi                                         (ID: t1zju)
    Team: Tennessee                                           (ID: t1zjv)
  Kind: rec
  Sport: soccer
  Gender: male
  Country: USA
  State: Region 3
  Level: A
  Season: Fall2020 (current: True)
  Author: Arrigo
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
League: Points, Average Points HeadToHead, Wins, Greatest Total GoalsDelta,

Least Total GoalsAgainst, Greatest Total GoalsFor, DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  3
  PointsForWinInOvertime:  3
  PointsForWinInShootout:  3
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0.3
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  PercentOfPointsWon
  WeightExponent:  0
  WhatDoYouCallATie:  draw
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  USYSA Southern Regionals and National League Playoffs
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  4
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
9/12/20    Bentonville   2-7   Memphis       (ID: g1112fx)
9/19/20    Louisiana           Hattiesburg   (ID: g1112fy)
9/26/20    Bentonville         Mississippi   (ID: g1112fz)
9/26/20    Huntsville          Bentonville   (ID: g1112g0)
9/26/20    Huntsville          Hattiesburg   (ID: g1112g1)
9/26/20    Memphis             Louisiana     (ID: g1112g2)
9/26/20    Tennessee           Baton Rouge   (ID: g1112g3)
9/27/20    Baton Rouge         Memphis       (ID: g1112g4)
9/27/20    Hattiesburg         Bentonville   (ID: g1112g5)
9/27/20    Louisiana           Tennessee     (ID: g1112g6)
9/27/20    Mississippi         Huntsville    (ID: g1112g7)
10/10/20   Bentonville         Louisiana     (ID: g1112g8)
10/10/20   Huntsville          Baton Rouge   (ID: g1112g9)
10/10/20   Memphis             Mississippi   (ID: g1112ga)
10/10/20   Tennessee           Bentonville   (ID: g1112gb)
10/10/20   Tennessee           Hattiesburg   (ID: g1112gc)
10/11/20   Baton Rouge         Bentonville   (ID: g1112gd)
10/11/20   Hattiesburg         Memphis       (ID: g1112ge)
10/11/20   Louisiana           Huntsville    (ID: g1112gf)
10/11/20   Mississippi         Tennessee     (ID: g1112gg)
10/24/20   Tennessee           Memphis       (ID: g1112gh)
10/25/20   Memphis             Huntsville    (ID: g1112gi)
10/31/20   Huntsville          Tennessee     (ID: g1112gj)
11/11/20   Baton Rouge         Mississippi   (ID: g1112gk)
11/11/20   Mississippi         Louisiana     (ID: g1112gm)
11/12/20   Hattiesburg         Baton Rouge   (ID: g1112gn)
11/13/20   Mississippi         Hattiesburg   (ID: g1112gp)
11/14/20   Louisiana           Baton Rouge   (ID: g1112gq)
GamesEnd