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: Overranked Community (ORC)             (ID: 1a1t9) (Sort: League) (Playoffs: 4)
    Team: Catfishers                             (ID: t1vfz)
    Team: The Choke Pokers     (Choke Pokers)    (ID: t1v3y)
    Team: Dankclan Esports                       (ID: t1vg0)
    Team: Pityus                                 (ID: t1v48)
    Team: Prodigy                                (ID: t1v49)
    Team: Sol Tenebris Esports (Sol Tenebris Es) (ID: t1vg1)
    Team: Submerge Academy                       (ID: t1vg2)
    Team: TM Esports                             (ID: t1v4c)
  Kind: pro
  Sport: overwatch
  Gender: male
  Country: 
  State: 
  Level: T4
  Season: S1 (current: True)
  Author: Overranked Community Organization
  Note: 
  LotteryNote: 
LeagueEnd

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

RulesBegin
  PointsForWinInRegulation:  1
  PointsForWinInOvertime:  1
  PointsForWinInShootout:  1
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  0.5
  PercentOfGamesThatEndInTie:  0
  PercentOfGamesThatEndInOvertimeWin:  0.2
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  Pythagenpat
  WeightExponent:  0.208
  WhatDoYouCallATie:  draw
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  Bye
  Promote:  2
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
6/18/18   8:00 PM   Catfishers         0-4   TM Esports         (ID: g1xdwd)
6/18/18   8:00 PM   Prodigy            4-0   Pityus             (ID: g1xdwe)
6/22/18   8:00 PM   Submerge Academy   0-4   Choke Pokers       (ID: g1xdwg)
6/24/18   9:45 PM   Dankclan Esports   1-3   Sol Tenebris Es    (ID: g1xdwf)
6/25/18   8:00 PM   Pityus             0-3   Submerge Academy   (ID: g1xdwi)
6/25/18   8:00 PM   Prodigy            4-0   Catfishers         (ID: g1xdwj)
6/25/18   8:00 PM   TM Esports         0-4   Sol Tenebris Es    (ID: g1xdwk)
6/30/18   8:00 PM   Choke Pokers       3-1   Dankclan Esports   (ID: g1xdx7)
7/2/18    8:00 PM   Choke Pokers             Pityus             (ID: g1xdwm)
7/2/18    8:00 PM   Dankclan Esports   4-0   TM Esports         (ID: g1xdwn)
7/2/18    8:00 PM   Sol Tenebris Es    0-4   Prodigy            (ID: g1xdwp)
7/2/18    8:00 PM   Submerge Academy   4-0   Catfishers         (ID: g1xdwq)
7/9/18    8:00 PM   Catfishers         0-4   Choke Pokers       (ID: g1xdwr)
7/9/18    8:00 PM   Pityus                   Dankclan Esports   (ID: g1xdws)
7/9/18    8:00 PM   Prodigy            4-0   TM Esports         (ID: g1xdwt)
7/9/18    8:00 PM   Submerge Academy         Sol Tenebris Es    (ID: g1xdwu)
7/16/18   8:00 PM   Choke Pokers             Sol Tenebris Es    (ID: g1xdwv)
7/16/18   8:00 PM   Dankclan Esports         Prodigy            (ID: g1xdww)
7/16/18   8:00 PM   Pityus             4-0   Catfishers         (ID: g1xdwx)
7/16/18   8:00 PM   TM Esports         0-4   Submerge Academy   (ID: g1xdwy)
7/23/18   8:00 PM   Catfishers         0-4   Dankclan Esports   (ID: g1xdwz)
7/23/18   8:00 PM   Choke Pokers       4-0   TM Esports         (ID: g1xdx0)
7/23/18   8:00 PM   Sol Tenebris Es          Pityus             (ID: g1xdx1)
7/23/18   8:00 PM   Submerge Academy         Prodigy            (ID: g1xdx2)
7/29/18   8:00 PM   Catfishers         0-4   Sol Tenebris Es    (ID: g1xdx3)
7/29/18   8:00 PM   Dankclan Esports         Submerge Academy   (ID: g1xdx4)
7/29/18   8:00 PM   Pityus             4-0   TM Esports         (ID: g1xdx5)
7/29/18   8:00 PM   Prodigy                  Choke Pokers       (ID: g1xdx6)
GamesEnd