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         (GYSA BU17 Class) (ID: 1a12g) (Sort: Div) (Playoffs: 2)
    Team: Atlanta Fire - 98/99 Silver (Atlanta Fire -)  (ID: t1i6j)
    Team: CC Cavalier                                   (ID: t1jky)
    Team: Gri Exc Blu                                   (ID: t1jkz)
    Team: Gri Exc Gol                                   (ID: t1jm0)
    Team: GS Elite Clasico                              (ID: t1jm1)
    Team: MAYS Buckhead 99B White     (MAYS Buckhead 9) (ID: t1i6q)
    Team: Sacred Heart Arsenal U17    (Sacred Heart Ar) (ID: t1i6r)
    Team: Toombs County SA - B17      (Toombs County S) (ID: t1i6s)
    Team: Triumph 99 Boys Gold        (Triumph 99 Boys) (ID: t1i6t)
    Team: YMCA Arsenal Rome - B16     (YMCA Arsenal Ro) (ID: t1i6u)
  Kind: rec
  Sport: soccer
  Gender: male
  Country: USA
  State: GA
  Level: Division 1
  Season: Fall2015 (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
9/12/15    9:00 AM    Atlanta Fire -     3-4    GS Elite Clasico   (ID: g1nyee)
9/12/15    10:00 AM   Gri Exc Blu        1-3    Triumph 99 Boys    (ID: g1nyef)
9/12/15    1:00 PM    MAYS Buckhead 9    0-2    Toombs County S    (ID: g1mwv9)
9/12/15    2:30 PM    CC Cavalier        1-5    Sacred Heart Ar    (ID: g1nyeg)
9/13/15    2:00 PM    Gri Exc Gol        6-2    Atlanta Fire -     (ID: g1nyeh)
9/19/15    12:00 PM   YMCA Arsenal Ro    7-1    Gri Exc Blu        (ID: g1nyei)
9/19/15    1:00 PM    Sacred Heart Ar    11-0   Toombs County S    (ID: g1mwvd)
9/19/15    2:30 PM    GS Elite Clasico   5-2    MAYS Buckhead 9    (ID: g1nyej)
9/19/15    3:30 PM    Triumph 99 Boys    1-1    CC Cavalier        (ID: g1nyek)
9/26/15    1:00 PM    MAYS Buckhead 9    2-9    Atlanta Fire -     (ID: g1mwvg)
9/26/15    1:00 PM    Toombs County S    3-3    Triumph 99 Boys    (ID: g1mwvh)
9/26/15    2:30 PM    CC Cavalier        4-4    YMCA Arsenal Ro    (ID: g1nyem)
9/26/15    3:30 PM    Gri Exc Blu        1-5    Gri Exc Gol        (ID: g1nyep)
9/27/15    2:00 PM    CC Cavalier        4-2    Gri Exc Gol        (ID: g1nyeq)
10/3/15    1:00 PM    Gri Exc Gol        5-2    MAYS Buckhead 9    (ID: g1nyer)
10/3/15    1:00 PM    Toombs County S    4-0    YMCA Arsenal Ro    (ID: g1mwvr)
10/3/15    5:00 PM    CC Cavalier        3-3    Gri Exc Blu        (ID: g1nyes)
10/4/15    4:00 PM    Gri Exc Gol        6-2    YMCA Arsenal Ro    (ID: g1nyet)
10/10/15   3:00 PM    GS Elite Clasico   11-1   YMCA Arsenal Ro    (ID: g1nyeu)
10/10/15   3:00 PM    Sacred Heart Ar    4-0    MAYS Buckhead 9    (ID: g1mwvx)
10/17/15   1:00 PM    Toombs County S    1-4    CC Cavalier        (ID: g1nyev)
10/17/15   3:00 PM    MAYS Buckhead 9    4-4    Triumph 99 Boys    (ID: g1mww0)
10/17/15   3:00 PM    Sacred Heart Ar    9-0    Gri Exc Gol        (ID: g1nyew)
10/18/15   2:00 PM    Toombs County S    2-0    Gri Exc Blu        (ID: g1nyex)
10/20/15   7:00 PM    Triumph 99 Boys    0-4    GS Elite Clasico   (ID: g1nyey)
10/24/15   12:30 PM   Atlanta Fire -     3-1    Gri Exc Blu        (ID: g1nyez)
10/24/15   12:45 PM   GS Elite Clasico   5-0    CC Cavalier        (ID: g1nyf0)
10/24/15   1:15 PM    Triumph 99 Boys    1-3    Sacred Heart Ar    (ID: g1mww4)
10/24/15   4:00 PM    Gri Exc Gol        4-1    Toombs County S    (ID: g1nyf1)
10/24/15   6:00 PM    YMCA Arsenal Ro    4-3    MAYS Buckhead 9    (ID: g1mww6)
10/31/15   9:00 AM    Triumph 99 Boys    8-1    Gri Exc Gol        (ID: g1nyf2)
10/31/15   11:30 AM   GS Elite Clasico   6-2    Toombs County S    (ID: g1nyf3)
10/31/15   12:00 PM   Gri Exc Blu        0-2    MAYS Buckhead 9    (ID: g1nyf4)
10/31/15   2:00 PM    YMCA Arsenal Ro    1-6    Sacred Heart Ar    (ID: g1mwwa)
10/31/15   3:00 PM    Atlanta Fire -     0-2    CC Cavalier        (ID: g1nyf5)
11/14/15   11:30 AM   Gri Exc Blu        1-8    Sacred Heart Ar    (ID: g1nyf6)
11/14/15   11:30 AM   Gri Exc Gol        2-6    GS Elite Clasico   (ID: g1nyf7)
11/14/15   1:00 PM    MAYS Buckhead 9    3-3    CC Cavalier        (ID: g1nyf8)
11/14/15   3:00 PM    Atlanta Fire -     1-2    Toombs County S    (ID: g1mwvn)
11/14/15   4:00 PM    YMCA Arsenal Ro    8-2    Triumph 99 Boys    (ID: g1mwwg)
11/15/15   1:00 PM    GS Elite Clasico   12-0   Gri Exc Blu        (ID: g1nyf9)
11/15/15   1:30 PM    Triumph 99 Boys    2-3    Atlanta Fire -     (ID: g1mwwh)
11/21/15   3:00 PM    Atlanta Fire -     1-4    Sacred Heart Ar    (ID: g1mwvp)
11/22/15   1:00 PM    YMCA Arsenal Ro    6-3    Atlanta Fire -     (ID: g1mwwc)
11/28/15   2:00 PM    Sacred Heart Ar    4-0    GS Elite Clasico   (ID: g1nyen)
GamesEnd