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: GYSA BU17 Classic IV West      (GYSA BU17 Class) (ID: 1a12f) (Sort: Div) (Playoffs: 1)
    Team: Atlanta Fire - 2000 Silver     (Atlanta Fire -)  (ID: t1ng4)
    Team: Concorde Fire Central Red      (Concorde Fire C) (ID: t1ng5)
    Team: GS 00B Silver                                    (ID: t1ng6)
    Team: NTH NASA 00 Royal                                (ID: t1ng7)
    Team: NTH NASA 00 Select             (NTH NASA 00 Sel) (ID: t1ng8)
    Team: Rush Azul 2000                                   (ID: t1ng9)
    Team: SAF 2000 Premier                                 (ID: t1nga)
    Team: SSA Chelsea 00B Select Black 1 (SSA Chelsea 00B) (ID: t1ngb)
    Team: UFA 00B Black                                    (ID: t1ngc)
  Kind: rec
  Sport: soccer
  Gender: male
  Country: USA
  State: GA
  Level: Division 1
  Season: Fall2016 (current: True)
  Author: CT
  Note: Unofficial
  LotteryNote: 
LeagueEnd

SortBegin
Div: Points, GoalsDelta, Least GoalsAgainst
SortEnd

RulesBegin
  PointsForWinInRegulation:  5
  PointsForWinInOvertime:  5
  PointsForWinInShootout:  5
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  2
  PercentOfGamesThatEndInTie:  0.16
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  Pythagenpat
  WeightExponent:  0.6
  WhatDoYouCallATie:  draw
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  2
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  2
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
9/10/16    9:00 AM    Rush Azul 2000      3-1    UFA 00B Black       (ID: g1rdue)
9/10/16    11:00 AM   GS 00B Silver       0-6    NTH NASA 00 Sel     (ID: g1rduf)
9/11/16    9:00 AM    NTH NASA 00 Royal   3-3    UFA 00B Black       (ID: g1rdug)
9/11/16    3:00 PM    NTH NASA 00 Sel     4-0    Atlanta Fire -      (ID: g1rduh)
9/17/16    8:00 AM    Atlanta Fire -      5-0    GS 00B Silver       (ID: g1rdui)
9/17/16    9:00 AM    SSA Chelsea 00B     7-0    UFA 00B Black       (ID: g1rduj)
9/17/16    5:30 PM    Rush Azul 2000      6-2    NTH NASA 00 Royal   (ID: g1rduk)
9/18/16    10:00 AM   Concorde Fire C     3-2    NTH NASA 00 Royal   (ID: g1rdum)
9/24/16    1:00 PM    SAF 2000 Premier    0-5    Atlanta Fire -      (ID: g1rdun)
9/24/16    2:00 PM    Concorde Fire C     0-7    Rush Azul 2000      (ID: g1rdup)
9/25/16    1:00 PM    Atlanta Fire -      7-0    Concorde Fire C     (ID: g1rduq)
10/1/16    11:00 AM   NTH NASA 00 Sel     2-1    Rush Azul 2000      (ID: g1rdur)
10/1/16    12:00 PM   Concorde Fire C     0-11   SSA Chelsea 00B     (ID: g1rdus)
10/2/16    1:00 PM    SSA Chelsea 00B     11-0   NTH NASA 00 Royal   (ID: g1rdut)
10/2/16    3:00 PM    NTH NASA 00 Sel     5-0    SAF 2000 Premier    (ID: g1rduu)
10/8/16    5:00 PM    UFA 00B Black       1-2    Atlanta Fire -      (ID: g1rduv)
10/9/16    9:00 AM    Atlanta Fire -      9-0    NTH NASA 00 Royal   (ID: g1rduw)
10/15/16   11:00 AM   NTH NASA 00 Royal   2-3    GS 00B Silver       (ID: g1rdux)
10/15/16   5:00 PM    UFA 00B Black       3-1    SAF 2000 Premier    (ID: g1rduy)
10/16/16   12:00 PM   Rush Azul 2000      4-0    SAF 2000 Premier    (ID: g1rdv0)
10/16/16   1:00 PM    SSA Chelsea 00B     6-0    Concorde Fire C     (ID: g1rduz)
10/16/16   7:00 PM    UFA 00B Black       1-1    NTH NASA 00 Sel     (ID: g1rdv1)
10/22/16   9:00 AM    NTH NASA 00 Sel     1-4    SSA Chelsea 00B     (ID: g1rdv2)
10/22/16   3:00 PM    GS 00B Silver       4-1    Concorde Fire C     (ID: g1rdv3)
10/23/16   11:00 AM   SSA Chelsea 00B     2-1    Rush Azul 2000      (ID: g1rdv4)
10/23/16   3:00 PM    SAF 2000 Premier    1-2    GS 00B Silver       (ID: g1rdv5)
10/29/16   11:00 AM   NTH NASA 00 Royal   1-1    SAF 2000 Premier    (ID: g1rdv6)
10/29/16   4:00 PM    Concorde Fire C     1-2    NTH NASA 00 Sel     (ID: g1rdv7)
10/29/16   4:45 PM    GS 00B Silver       2-1    UFA 00B Black       (ID: g1rdv8)
10/29/16   7:00 PM    Rush Azul 2000      1-4    Atlanta Fire -      (ID: g1rdv9)
11/5/16    9:00 AM    NTH NASA 00 Royal          NTH NASA 00 Sel     (ID: g1rdva)
11/5/16    11:00 AM   Atlanta Fire -             SSA Chelsea 00B     (ID: g1rdvb)
11/5/16    1:00 PM    SAF 2000 Premier           Concorde Fire C     (ID: g1rdvc)
11/5/16    3:00 PM    GS 00B Silver              Rush Azul 2000      (ID: g1rdvd)
11/6/16    9:00 AM    Atlanta Fire -             NTH NASA 00 Sel     (ID: g1rdve)
11/6/16    3:00 PM    SAF 2000 Premier           SSA Chelsea 00B     (ID: g1rdvf)
11/12/16   9:00 AM    SSA Chelsea 00B            GS 00B Silver       (ID: g1rdvg)
11/12/16   1:00 PM    UFA 00B Black              Concorde Fire C     (ID: g1rdvh)
11/13/16   11:00 AM   NTH NASA 00 Royal          Rush Azul 2000      (ID: g1rdvi)
11/13/16   1:00 PM    Atlanta Fire -             UFA 00B Black       (ID: g1rdvj)
11/13/16   1:00 PM    GS 00B Silver              SAF 2000 Premier    (ID: g1rdvk)
GamesEnd