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 V West     (GYSA BU17 Class) (ID: 1a1c8) (Sort: Div) (Playoffs: 1)
    Team: Effingham United 01B - BU17  (Effingham Unite) (ID: t1ngd)
    Team: Excel 2000 Navy                                (ID: t1nge)
    Team: Georgia Storm Troup          (Georgia Storm T) (ID: t1ngf)
    Team: Nexus FC 00 Elite                              (ID: t1ngg)
    Team: Old Capitol S - BU17         (Old Capitol S -) (ID: t1pis)
    Team: SSA Che Sel Bl                                 (ID: t1ngi)
    Team: SSA Che Sel Ye                                 (ID: t1ngj)
    Team: Thomson Revolution FC - BU17 (Thomson Revolut) (ID: t1ngk)
    Team: TSC 00B Elite                                  (ID: t1ngm)
    Team: USA Revolution - B17         (USA Revolution)  (ID: t1ngn)
  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    1:00 PM    Effingham Unite     2-2    Excel 2000 Navy     (ID: g1rdvm)
9/10/16    5:00 PM    SSA Che Sel Ye      1-5    USA Revolution      (ID: g1rdvp)
9/11/16    2:00 PM    Excel 2000 Navy     4-0    Georgia Storm T     (ID: g1rdvq)
9/11/16    2:00 PM    Thomson Revolut     5-0    TSC 00B Elite       (ID: g1rdvr)
9/17/16    1:00 PM    Nexus FC 00 Elite   3-1    Old Capitol S -     (ID: g1rphy)
9/17/16    4:00 PM    SSA Che Sel Bl      5-1    Thomson Revolut     (ID: g1rdvu)
9/24/16    2:00 PM    Old Capitol S -     4-3    SSA Che Sel Bl      (ID: g1rphz)
9/25/16    12:00 PM   Thomson Revolut     1-10   USA Revolution      (ID: g1rdvx)
9/25/16    1:30 PM    Nexus FC 00 Elite   2-4    Excel 2000 Navy     (ID: g1rdvy)
10/1/16    9:00 AM    TSC 00B Elite       0-2    Excel 2000 Navy     (ID: g1rdvz)
10/1/16    12:00 PM   Georgia Storm T     0-3    Old Capitol S -     (ID: g1rpi0)
10/1/16    1:00 PM    Effingham Unite     9-0    Thomson Revolut     (ID: g1rdw1)
10/1/16    3:00 PM    USA Revolution      2-1    SSA Che Sel Bl      (ID: g1rdw3)
10/1/16    4:00 PM    Nexus FC 00 Elite   4-3    SSA Che Sel Ye      (ID: g1rdw2)
10/2/16    12:00 PM   Excel 2000 Navy     0-0    SSA Che Sel Ye      (ID: g1rdw4)
10/2/16    2:00 PM    Old Capitol S -     4-0    TSC 00B Elite       (ID: g1rpi1)
10/8/16    12:00 PM   SSA Che Sel Bl             Excel 2000 Navy     (ID: g1rdw7)
10/8/16    1:00 PM    TSC 00B Elite       0-10   SSA Che Sel Ye      (ID: g1rdw9)
10/8/16    6:00 PM    Old Capitol S -     8-0    Thomson Revolut     (ID: g1rpi2)
10/15/16   12:15 PM   SSA Che Sel Bl      3-6    SSA Che Sel Ye      (ID: g1rdwb)
10/15/16   2:00 PM    Old Capitol S -     1-1    Effingham Unite     (ID: g1rpi3)
10/16/16   3:00 PM    Nexus FC 00 Elite   4-3    Effingham Unite     (ID: g1rdw8)
10/20/16   7:00 PM    USA Revolution      11-0   Georgia Storm T     (ID: g1rdw6)
10/22/16   12:00 PM   Georgia Storm T     0-15   SSA Che Sel Ye      (ID: g1rdwd)
10/22/16   1:00 PM    Effingham Unite     4-0    TSC 00B Elite       (ID: g1rdwe)
10/22/16   2:30 PM    SSA Che Sel Bl      1-2    Nexus FC 00 Elite   (ID: g1rdwf)
10/22/16   3:00 PM    Excel 2000 Navy     10-0   Thomson Revolut     (ID: g1rdwg)
10/22/16   3:00 PM    USA Revolution      5-0    Old Capitol S -     (ID: g1rpi4)
10/23/16   4:00 PM    USA Revolution      4-0    Nexus FC 00 Elite   (ID: g1rdvs)
10/28/16   7:30 PM    SSA Che Sel Bl      11-1   TSC 00B Elite       (ID: g1rdwi)
10/29/16   11:00 AM   Excel 2000 Navy     3-0    Old Capitol S -     (ID: g1rpi5)
10/29/16   12:00 PM   Georgia Storm T     2-11   Nexus FC 00 Elite   (ID: g1rdwk)
10/29/16   3:00 PM    USA Revolution      4-0    Effingham Unite     (ID: g1rdwm)
10/29/16   4:00 PM    SSA Che Sel Ye      8-0    Thomson Revolut     (ID: g1rdwn)
10/30/16   11:00 AM   SSA Che Sel Ye      3-2    Effingham Unite     (ID: g1rdwp)
10/30/16   3:30 PM    USA Revolution      13-0   TSC 00B Elite       (ID: g1rhmh)
11/5/16    12:00 PM   Georgia Storm T            TSC 00B Elite       (ID: g1rdwq)
11/5/16    1:00 PM    Effingham Unite            SSA Che Sel Bl      (ID: g1rdwt)
11/5/16    3:00 PM    SSA Che Sel Ye             Old Capitol S -     (ID: g1rpi6)
11/5/16    3:00 PM    Thomson Revolut            Nexus FC 00 Elite   (ID: g1rdws)
11/5/16    5:00 PM    Excel 2000 Navy            USA Revolution      (ID: g1rdwr)
11/6/16    1:00 PM    Effingham Unite            Georgia Storm T     (ID: g1rdwv)
11/6/16    3:00 PM    TSC 00B Elite              Nexus FC 00 Elite   (ID: g1rdww)
11/12/16   12:00 PM   Thomson Revolut            Georgia Storm T     (ID: g1rdwx)
11/13/16   3:30 PM    Georgia Storm T            SSA Che Sel Bl      (ID: g1rdvn)
GamesEnd