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: KLAA Boys Varsity Bowling - West Division (KLAAWVB)         (ID: 1a196) (Sort: League) (Playoffs: 1)
    Team: Brighton Bulldogs                         (Brighton)        (ID: t1kwm)
    Team: Hartland Eagles                           (Hartland)        (ID: t1kwn)
    Team: Howell Highlanders                        (Howell)          (ID: t1kwp)
    Team: Milford Mavericks                         (Milford)         (ID: t1kwq)
    Team: Pinckney Pirates                          (Pinckney)        (ID: t1kwr)
    Team: South Lyon Lions                          (South Lyon)      (ID: t1kws)
    Team: South Lyon East Cougars                   (South Lyon East) (ID: t1kwt)
  Kind: high school
  Sport: bowling
  Gender: male
  Country: USA
  State: Michigan
  Level: Varsity
  Season: 2013-2014 (current: False)
  Author: Josh Collopy
  Note: Division matches only. Crossover and Out-of-Conference matches are not included.
  LotteryNote: 
LeagueEnd

SortBegin
League:

	Points,

	Wins,

	Least Losses,

	Average Points HeadToHead,

	GoalsDelta HeadToHead,

	GoalsDelta
SortEnd

RulesBegin
  PointsForWinInRegulation:  1
  PointsForWinInOvertime:  1
  PointsForWinInShootout:  1
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  0.5
  PercentOfGamesThatEndInTie:  0
  PercentOfGamesThatEndInOvertimeWin:  0.01
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  PercentOfPointsWon
  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: home
12/16/13   Milford           2-28        Hartland          (ID: g1q5ba)
12/16/13   South Lyon        21-9        Brighton          (ID: g1q5bb)
12/16/13   South Lyon East   1-29        Howell            (ID: g1q5bc)
12/17/13   Brighton          30-0        Milford           (ID: g1q5bd)
12/17/13   Howell            30-0        Pinckney          (ID: g1q5be)
12/17/13   South Lyon        12.5-17.5   Hartland          (ID: g1q5bf)
1/10/14    Brighton          14-16       Hartland          (ID: g1q5bg)
1/10/14    Pinckney          18-12       South Lyon East   (ID: g1q5bh)
1/10/14    South Lyon        28-2        Milford           (ID: g1q5bi)
1/11/14    Howell            28-2        South Lyon        (ID: g1q5bj)
1/11/14    Milford           1-29        South Lyon East   (ID: g1q5bk)
1/11/14    Pinckney          6-24        Brighton          (ID: g1q5bm)
1/16/14    Pinckney          2-28        South Lyon        (ID: g1q5bn)
1/16/14    South Lyon East   11-19       Brighton          (ID: g1q5bp)
1/17/14    Brighton          22-8        South Lyon East   (ID: g1q5bq)
1/17/14    Milford           1-29        South Lyon        (ID: g1q5br)
1/17/14    Pinckney          3-27        Howell            (ID: g1q5bs)
1/18/14    Howell            24-6        Hartland          (ID: g1q5bt)
1/23/14    Hartland          20-10       Pinckney          (ID: g1q5bu)
1/23/14    Howell            29-1        Milford           (ID: g1q5bv)
1/23/14    South Lyon        15-15.5     South Lyon East   (ID: g1q5bw)
1/28/14    South Lyon        22.5-7.5    Pinckney          (ID: g1q5bx)
1/29/14    Hartland          15.5-15     South Lyon East   (ID: g1q5by)
1/29/14    Howell            26-4        Brighton          (ID: g1q5bz)
1/29/14    Milford           2-28        Pinckney          (ID: g1q5c0)
1/30/14    Hartland          4-26        Brighton          (ID: g1q5c1)
1/30/14    Howell            29-1        South Lyon East   (ID: g1q5c2)
2/5/14     Hartland          15-16       South Lyon        (ID: g1q5c3)
2/5/14     Milford           0-30        Howell            (ID: g1q5c4)
2/5/14     South Lyon East   23-7        Pinckney          (ID: g1q5c5)
2/6/14     Brighton          4.5-25.5    Howell            (ID: g1q5c6)
2/6/14     Pinckney          2-28        Hartland          (ID: g1q5c7)
2/6/14     South Lyon East   17-13       Milford           (ID: g1q5c8)
2/8/14     Brighton          22-8        South Lyon        (ID: g1q5c9)
2/8/14     Pinckney          23-7        Milford           (ID: g1q5ca)
2/8/14     South Lyon East   4-26        Hartland          (ID: g1q5cb)
2/10/14    Hartland          8-22        Howell            (ID: g1q5cc)
2/10/14    Milford           5-25        Brighton          (ID: g1q5cd)
2/10/14    South Lyon        27-3        South Lyon East   (ID: g1q5ce)
2/13/14    Brighton          18-12       Pinckney          (ID: g1q5cf)
2/13/14    Hartland          19-11       Milford           (ID: g1q5cg)
2/13/14    South Lyon        15-16       Howell            (ID: g1q5ch)
GamesEnd