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:     Marriage Counseling       (MCG)     (ID: 1a1uk) (Sort: Conf) (Playoffs: 4)
    Division: Less West                           (ID: d15bz) (Sort: Div) (Playoffs: 1)
      Team:   Downtown Bears            (Evan)    (ID: t1vub)
      Team:   Password is Taco          (Jess)    (ID: t1vuc)
      Team:   "The Wave"                (Ryan)    (ID: t1vug)
      Team:   Operation Redemption      (Stephen) (ID: t1vuh)
    Division: West                                (ID: d15c0) (Sort: Div) (Playoffs: 1)
      Team:   Fast and Furious Football (Becky)   (ID: t1vua)
      Team:   Current Champion          (John)    (ID: t1vud)
      Team:   Paralysis by Analysis     (Kevin)   (ID: t1vue)
      Team:   Pocket Egg                (Piatt)   (ID: t1vuf)
  Kind: fantasy
  Sport: football
  Gender: male
  Country: USA
  State: Arizona
  Level: A+
  Season: 2019 (current: True)
  Author: Piatt
  Note: Hi, mom!
  LotteryNote: 
LeagueEnd

SortBegin
Div:
IfSomeTiesBrokenReturnHere,

Wins HeadToHead,

Total GoalsFor,

Wins SameParent,

Total GoalsAgainst,
DrawLots

Conf:
(Side) MoveClinchedToFront,
Wins HeadToHead,

Total GoalsFor,

Wins SameParent,

Total GoalsAgainst,
DrawLots
SortEnd

RulesBegin
  PointsForWinInRegulation:  1
  PointsForWinInOvertime:  1
  PointsForWinInShootout:  1
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  0.5
  PercentOfGamesThatEndInTie:  0
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  Pythagorean
  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: away
9/10/19    11:00 PM   John      108.7-150.5   Becky     (ID: g1zsfg)
9/10/19    11:00 PM   Evan      116.7-117.5   Jess      (ID: g1zsfh)
9/10/19    11:00 PM   Piatt     76.9-88.2     Kevin     (ID: g1zsfi)
9/10/19    11:00 PM   Ryan      90.8-111      Stephen   (ID: g1zsfj)
9/17/19    11:00 PM   Kevin     48.1-98.7     Becky     (ID: g1zsfk)
9/17/19    11:00 PM   Stephen   95.7-85.9     Jess      (ID: g1zsfm)
9/17/19    11:00 PM   John      77.6-127.9    Piatt     (ID: g1zsfn)
9/17/19    11:00 PM   Evan      92.6-98.4     Ryan      (ID: g1zsfp)
9/24/19    11:00 PM   Piatt     118.2-64.2    Becky     (ID: g1zsfq)
9/24/19    11:00 PM   Stephen   125.3-162.1   Evan      (ID: g1zsfr)
9/24/19    11:00 PM   Ryan      96.6-90.7     Jess      (ID: g1zsfs)
9/24/19    11:00 PM   Kevin     108.1-82.4    John      (ID: g1zsft)
10/1/19    11:00 PM   Jess      90-95.4       Becky     (ID: g1zsfu)
10/1/19    11:00 PM   Evan      74.8-68.5     John      (ID: g1zsfv)
10/1/19    11:00 PM   Stephen   103.1-100.2   Kevin     (ID: g1zsfw)
10/1/19    11:00 PM   Ryan      80.5-112.7    Piatt     (ID: g1zsfx)
10/8/19    11:00 PM   Becky     137.7-139     Evan      (ID: g1zsfy)
10/8/19    11:00 PM   Piatt     106.5-105.8   Jess      (ID: g1zsfz)
10/8/19    11:00 PM   Kevin     102.9-130.5   Ryan      (ID: g1zsg0)
10/8/19    11:00 PM   John      75.5-95.2     Stephen   (ID: g1zsg1)
10/15/19   11:00 PM   Stephen   97.4-104.3    Becky     (ID: g1zsg2)
10/15/19   11:00 PM   Ryan      99.8-60       John      (ID: g1zsg3)
10/15/19   11:00 PM   Jess      100.3-107.8   Kevin     (ID: g1zsg4)
10/15/19   11:00 PM   Evan      112.2-148.2   Piatt     (ID: g1zsg5)
10/22/19   11:00 PM   Kevin     111.7-95.6    Evan      (ID: g1zsg6)
10/22/19   11:00 PM   John      131.7-82.4    Jess      (ID: g1zsg7)
10/22/19   11:00 PM   Becky     88.6-64.1     Ryan      (ID: g1zsg8)
10/22/19   11:00 PM   Piatt     96.4-72.8     Stephen   (ID: g1zsg9)
10/29/19   11:00 PM   Jess      118.3-154.4   Evan      (ID: g1zsga)
10/29/19   11:00 PM   Becky     97.6-71.7     John      (ID: g1zsgb)
10/29/19   11:00 PM   Kevin     108.1-120.6   Piatt     (ID: g1zsgc)
10/29/19   11:00 PM   Stephen   94.1-129.9    Ryan      (ID: g1zsgd)
11/5/19    3:00 AM    Piatt     97.4-87.3     John      (ID: g1zsge)
11/5/19    11:00 PM   Ryan      81.6-127.4    Evan      (ID: g1zsgf)
11/5/19    11:00 PM   Becky     97.7-88.1     Kevin     (ID: g1zsgg)
11/5/19    11:00 PM   Jess      133.1-98.8    Stephen   (ID: g1zsgh)
11/12/19   11:00 PM   John      84.3-94       Kevin     (ID: g1zsgi)
11/12/19   11:00 PM   Becky     102.6-93.4    Piatt     (ID: g1zsgj)
11/12/19   11:00 PM   Jess      84.7-97.5     Ryan      (ID: g1zsgk)
11/12/19   11:00 PM   Evan      100.7-99.1    Stephen   (ID: g1zsgm)
11/19/19   11:00 PM   Jess      108.8-97.2    Becky     (ID: g1zsgn)
11/19/19   11:00 PM   Evan      122.4-72.8    John      (ID: g1zsgp)
11/19/19   11:00 PM   Stephen   93-63.4       Kevin     (ID: g1zsgq)
11/19/19   11:00 PM   Ryan      86.4-91.3     Piatt     (ID: g1zsgr)
11/26/19   11:00 PM   Becky     110.1-110.3   Evan      (ID: g1zsgs)
11/26/19   11:00 PM   Piatt     116.3-53.7    Jess      (ID: g1zsgt)
11/26/19   11:00 PM   Kevin     123.3-83.9    Ryan      (ID: g1zsgu)
11/26/19   11:00 PM   John      128.4-82.7    Stephen   (ID: g1zsgv)
12/3/19    11:00 PM   Stephen   72.4-116.9    Becky     (ID: g1zsgw)
12/3/19    11:00 PM   Ryan      84.8-99.6     John      (ID: g1zsgx)
12/3/19    11:00 PM   Jess      112.8-68.6    Kevin     (ID: g1zsgy)
12/3/19    11:00 PM   Evan      78.9-72.4     Piatt     (ID: g1zsgz)
GamesEnd