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: North America League Championship Series (NALCS) (ID: 1azx) (Sort: LCS) (Playoffs: 6)
    Team: Cloud9                                   (C9)    (ID: t1gdc)
    Team: Counter Logic Gaming                     (CLG)   (ID: t1gdd)
    Team: Team Dignitas                            (DIG)   (ID: t1gdf)
    Team: Gravity                                  (GV)    (ID: t1gdg)
    Team: Enemy Esports                            (NME)   (ID: t1gz9)
    Team: Team 8                                   (T8)    (ID: t1gdh)
    Team: Team Dragon Knights                      (TDK)   (ID: t1gza)
    Team: Team Impluse                             (TIP)   (ID: t1gdi)
    Team: Team Liquid                              (TL)    (ID: t1gdj)
    Team: Team Solo Mid                            (TSM)   (ID: t1gdk)
  Kind: pro
  Sport: league of legends
  Gender: male
  Country: North America
  State: 
  Level: A
  Season: 2015Summer (current: True)
  Author: Stewpocalypse
  Note: North America League Championship Series Summer 2015
  LotteryNote: 
LeagueEnd

SortBegin
LCS: Wins, Average Wins HeadToHead, Average Opponent Wins, 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:  0.51
  WeightType:  PercentOfPointsWon
  WeightExponent:  0.5
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  1
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
5/30/15   C9    1-0   TSM   (ID: g1m3ym)
5/30/15   CLG   1-0   DIG   (ID: g1m3yn)
5/30/15   GV    0-1   NME   (ID: g1m3yp)
5/30/15   T8    0-1   TIP   (ID: g1m3yq)
5/30/15   TDK   0-1   TL    (ID: g1m3yr)
5/31/15   DIG   1-0   C9    (ID: g1m3ys)
5/31/15   TDK   0-1   GV    (ID: g1m3yt)
5/31/15   TIP   0-1   CLG   (ID: g1m3yu)
5/31/15   TL    1-0   T8    (ID: g1m3yv)
5/31/15   TSM   1-0   NME   (ID: g1m3yw)
6/6/15    C9    0-1   GV    (ID: g1m3yx)
6/6/15    DIG   1-0   TDK   (ID: g1m3yy)
6/6/15    NME   0-1   TL    (ID: g1m3yz)
6/6/15    T8    0-1   CLG   (ID: g1m3z0)
6/6/15    TSM   1-0   TIP   (ID: g1m3z1)
6/7/15    C9    0-1   TIP   (ID: g1m3z2)
6/7/15    CLG   0-1   TSM   (ID: g1m3z3)
6/7/15    T8    0-1   DIG   (ID: g1m3z4)
6/7/15    TDK   0-1   NME   (ID: g1m3z5)
6/7/15    TL    0-1   GV    (ID: g1m3z6)
6/13/15   GV    0-1   CLG   (ID: g1m3z7)
6/13/15   NME   0-1   T8    (ID: g1m3z8)
6/13/15   TIP   1-0   TDK   (ID: g1m3z9)
6/13/15   TL    1-0   C9    (ID: g1m3za)
6/13/15   TSM   0-1   DIG   (ID: g1m3zb)
6/14/15   C9    1-0   T8    (ID: g1m3zc)
6/14/15   CLG   1-0   NME   (ID: g1m3zd)
6/14/15   DIG   0-1   GV    (ID: g1m3ze)
6/14/15   TIP   0-1   TL    (ID: g1m3zf)
6/14/15   TSM   1-0   TDK   (ID: g1m3zg)
6/20/15   DIG   1-0   TIP   (ID: g1m3zh)
6/20/15   GV    1-0   T8    (ID: g1m3zi)
6/20/15   NME   1-0   C9    (ID: g1m3zj)
6/20/15   TDK   0-1   CLG   (ID: g1m3zk)
6/20/15   TL    0-1   TSM   (ID: g1m3zm)
6/21/15   CLG   1-0   C9    (ID: g1m3zn)
6/21/15   GV    0-1   TSM   (ID: g1m3zp)
6/21/15   NME   0-1   TIP   (ID: g1m3zq)
6/21/15   T8    1-0   TDK   (ID: g1m3zr)
6/21/15   TL    0-1   DIG   (ID: g1m3zs)
6/27/15   C9          TDK   (ID: g1m3zt)
6/27/15   DIG         NME   (ID: g1m3zu)
6/27/15   TIP         GV    (ID: g1m3zv)
6/27/15   TL          CLG   (ID: g1m3zw)
6/27/15   TSM         T8    (ID: g1m3zx)
6/28/15   GV          TL    (ID: g1m3zy)
6/28/15   T8          NME   (ID: g1m3zz)
6/28/15   TDK         DIG   (ID: g1m400)
6/28/15   TIP         C9    (ID: g1m401)
6/28/15   TSM         CLG   (ID: g1m402)
7/4/15    C9          TL    (ID: g1m403)
7/4/15    CLG         GV    (ID: g1m404)
7/4/15    DIG         T8    (ID: g1m405)
7/4/15    TDK         TSM   (ID: g1m406)
7/4/15    TIP         NME   (ID: g1m407)
7/5/15    CLG         TIP   (ID: g1m408)
7/5/15    DIG         TL    (ID: g1m409)
7/5/15    NME         TDK   (ID: g1m40a)
7/5/15    T8          C9    (ID: g1m40b)
7/5/15    TSM         GV    (ID: g1m40c)
7/11/15   GV          C9    (ID: g1m40d)
7/11/15   NME         CLG   (ID: g1m40e)
7/11/15   T8          TSM   (ID: g1m40f)
7/11/15   TIP         DIG   (ID: g1m40g)
7/11/15   TL          TDK   (ID: g1m40h)
7/12/15   C9          DIG   (ID: g1m40i)
7/12/15   CLG         TDK   (ID: g1m40j)
7/12/15   NME         GV    (ID: g1m40k)
7/12/15   TIP         T8    (ID: g1m40m)
7/12/15   TSM         TL    (ID: g1m40n)
7/18/15   C9          NME   (ID: g1m40p)
7/18/15   CLG         TL    (ID: g1m40q)
7/18/15   GV          DIG   (ID: g1m40r)
7/18/15   TDK         T8    (ID: g1m40s)
7/18/15   TIP         TSM   (ID: g1m40t)
7/19/15   C9          CLG   (ID: g1m40u)
7/19/15   DIG         TSM   (ID: g1m40v)
7/19/15   T8          GV    (ID: g1m40w)
7/19/15   TDK         TIP   (ID: g1m40x)
7/19/15   TL          NME   (ID: g1m40y)
7/25/15   DIG         CLG   (ID: g1m40z)
7/25/15   GV          TIP   (ID: g1m410)
7/25/15   NME         TSM   (ID: g1m411)
7/25/15   T8          TL    (ID: g1m412)
7/25/15   TDK         C9    (ID: g1m413)
7/26/15   CLG         T8    (ID: g1m414)
7/26/15   GV          TDK   (ID: g1m415)
7/26/15   NME         DIG   (ID: g1m416)
7/26/15   TL          TIP   (ID: g1m417)
7/26/15   TSM         C9    (ID: g1m418)
GamesEnd