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:     IIHF U18 Championship (IIHF) (ID: 1a10h) (Sort: Div) (Playoffs: 8)
    Division: Group A                      (ID: d130w) (Sort: Div) (Playoffs: 4)
      Team:   Germany                      (ID: t1gib)
      Team:   Russia                       (ID: t1gid)
      Team:   Slovakia                     (ID: t1gie)
      Team:   Sweden                       (ID: t1gif)
      Team:   United States                (ID: t1gih)
    Division: Group B                      (ID: d130x) (Sort: Div) (Playoffs: 4)
      Team:   Canada                       (ID: t1gi8)
      Team:   Czech Republic               (ID: t1gi9)
      Team:   Finland                      (ID: t1gia)
      Team:   Latvia                       (ID: t1gic)
      Team:   Switzerland                  (ID: t1gig)
  Kind: rec
  Sport: hockey
  Gender: male
  Country: Switzerland
  State: 
  Level: Championship
  Season: 2015 (current: True)
  Author: Johkey3
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Div: Points, Average Points HeadtoHead, GoalsDelta,
SortEnd

RulesBegin
  PointsForWinInRegulation:  3
  PointsForWinInOvertime:  2
  PointsForWinInShootout:  2
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  1
  PointsForLossInShootout:  1
  PointsForTie:  0
  PercentOfGamesThatEndInTie:  0
  PercentOfGamesThatEndInOvertimeWin:  0.0125
  PercentOfGamesThatEndInShootoutWin:  0.05
  HomeFieldAdvantage:  0.5130434783
  WeightType:  PythagenpatIgnoreShootOutWinningGoals
  WeightExponent:  0.458
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  Promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  Relegation Round
  Demote:  2
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
4/16/15   Canada              Latvia           (ID: g1ks7p) (Neutral)
4/16/15   Finland             Czech Republic   (ID: g1ks7q) (Neutral)
4/16/15   Russia              United States    (ID: g1ks7r) (Neutral)
4/16/15   Sweden              Slovakia         (ID: g1ks7s) (Neutral)
4/17/15   Latvia              Czech Republic   (ID: g1ks7t) (Neutral)
4/17/15   Russia              Germany          (ID: g1ks7u) (Neutral)
4/17/15   Slovakia            United States    (ID: g1ks7v) (Neutral)
4/17/15   Switzerland         Finland          (ID: g1ks7w)
4/18/15   Germany             Sweden           (ID: g1ks7x) (Neutral)
4/18/15   Switzerland         Canada           (ID: g1ks7y)
4/19/15   Czech Republic      Canada           (ID: g1ks7z) (Neutral)
4/19/15   Latvia              Finland          (ID: g1ks80) (Neutral)
4/19/15   Slovakia            Russia           (ID: g1ks81) (Neutral)
4/19/15   United States       Sweden           (ID: g1ks82) (Neutral)
4/20/15   Germany             Slovakia         (ID: g1ks83) (Neutral)
4/20/15   Switzerland         Latvia           (ID: g1ks84)
4/21/15   Canada              Finland          (ID: g1ks85) (Neutral)
4/21/15   Sweden              Russia           (ID: g1ks86) (Neutral)
4/21/15   Switzerland         Czech Republic   (ID: g1ks87)
4/21/15   United States       Germany          (ID: g1ks88) (Neutral)
GamesEnd