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:       Lunch League B2               (RAHL B2)         (ID: 1a1si)
    Conference: B2                                              (ID: d152s) (Sort: Conf) (Playoffs: 2)
      Team:     BookHockey!!                  (BookHockey)      (ID: t1um7)
      Team:     Old Timers                                      (ID: t1um8)
      Team:     Olympic Athletes From Boulder (Olympic Athlete) (ID: t1um9)
      Team:     Superior Ice All-Stars        (Superior Ice Al) (ID: t1uma)
  Kind: rec
  Sport: hockey
  Gender: coed
  Country: USA
  State: Colorado
  Level: B2
  Season: 2018Spring (current: True)
  Author: Chris M
  Note: I'm bored
  LotteryNote: 
LeagueEnd

SortBegin
Conf:
 Points, Wins, GoalsDelta
SortEnd

RulesBegin
  PointsForWinInRegulation:  2
  PointsForWinInOvertime:  0
  PointsForWinInShootout:  0
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  1
  PercentOfGamesThatEndInTie:  0.333
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  PercentOfPointsWon
  WeightExponent:  14
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
3/20/18   BookHockey        5-3   Olympic Athlete   (ID: g1wnn2)
3/20/18   Old Timers        3-2   Superior Ice Al   (ID: g1wnn3)
3/27/18   BookHockey        3-2   Old Timers        (ID: g1wnn4)
3/27/18   Olympic Athlete   3-2   Superior Ice Al   (ID: g1wnn5)
4/3/18    BookHockey        8-4   Superior Ice Al   (ID: g1wnn6)
4/3/18    Olympic Athlete   7-4   Old Timers        (ID: g1wnn7)
4/10/18   Olympic Athlete   3-5   BookHockey        (ID: g1wnn8)
4/10/18   Superior Ice Al   9-1   Old Timers        (ID: g1wnn9)
4/17/18   Old Timers        4-5   BookHockey        (ID: g1wnna)
4/17/18   Superior Ice Al   4-4   Olympic Athlete   (ID: g1wnnb)
4/24/18   Old Timers        5-5   Olympic Athlete   (ID: g1wnnc)
4/24/18   Superior Ice Al   1-3   BookHockey        (ID: g1wnnd)
5/1/18    BookHockey        6-4   Olympic Athlete   (ID: g1wnne)
5/1/18    Old Timers        4-2   Superior Ice Al   (ID: g1wnnf)
5/8/18    BookHockey        1-3   Old Timers        (ID: g1wnng)
5/8/18    Olympic Athlete   0-8   Superior Ice Al   (ID: g1wnnh)
5/15/18   BookHockey              Superior Ice Al   (ID: g1wnni)
5/15/18   Olympic Athlete         Old Timers        (ID: g1wnnj)
GamesEnd