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:       Overwatch Contenders 2018 Season 2 Trials: North America (OWCT2018S2NA) (ID: 1a1tp) (Sort: Div)
    Conference: Trials                                                                  (ID: d1590) (Sort: Div) (Playoffs: 4)
      Team:     Bye Week                                                 (BW)           (ID: t1vfq)
      Team:     Eminent                                                                 (ID: t1vfr)
      Team:     GOATs                                                                   (ID: t1vfs)
      Team:     Grizzlys Esports                                         (Grizzlys)     (ID: t1vft)
      Team:     Karasuno                                                                (ID: t1vfu)
      Team:     Last Night's Leftovers                                   (LNL)          (ID: t1vfv)
      Team:     Mirage Sport Électronique                                (Mirage)       (ID: t1vfw)
      Team:     Second Wind                                              (SW)           (ID: t1vfx)
  Kind: pro
  Sport: overwatch
  Gender: coed
  Country: USA
  State: 
  Level: C
  Season: 2018 (current: True)
  Author: Kate
  Note: Can't get it to do the thing where a 3-2 doesn't count for map record. Sorry.
  LotteryNote: 
LeagueEnd

SortBegin
Div:
IfSomeTiesBrokenReturnHere,
Average Points,
Average Points HeadToHead,
If [(All=SameParent) Average Points SameParent],
Average Points SameGrandParent,
Average Points PlayoffEligible SameGrandParent,
If [(Size=2) Average Points PlayoffEligible DifferentGrandParent],
GoalsDelta,
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:  0.5
  WeightType:  Pythagorean
  WeightExponent:  14
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  4
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: away
6/9/18    12:00 PM   SW         3-2   Grizzlys   (ID: g1xdrf)
6/9/18    12:00 PM   GOATs      2-3   Karasuno   (ID: g1xdrg)
6/9/18    12:00 PM   BW         1-3   LNL        (ID: g1xdrh)
6/9/18    12:00 PM   Eminent    1-3   Mirage     (ID: g1xdri)
6/10/18   12:00 PM   Eminent    2-3   BW         (ID: g1xdrj)
6/10/18   12:00 PM   GOATs      2-3   Grizzlys   (ID: g1xdrk)
6/10/18   12:00 PM   SW         1-3   LNL        (ID: g1xdrm)
6/10/18   12:00 PM   Karasuno   3-1   Mirage     (ID: g1xdrn)
6/15/18   6:00 PM    Karasuno   1-3   BW         (ID: g1xdrp)
6/15/18   6:00 PM    SW         0-4   Eminent    (ID: g1xdrq)
6/15/18   6:00 PM    Grizzlys   0-4   LNL        (ID: g1xdrr)
6/15/18   6:00 PM    GOATs      1-3   Mirage     (ID: g1xdrs)
6/16/18   12:00 PM   Mirage     1-3   BW         (ID: g1xdrt)
6/16/18   12:00 PM   Grizzlys   2-1   Eminent    (ID: g1xdru)
6/16/18   12:00 PM   GOATs      2-3   LNL        (ID: g1xdrv)
6/16/18   12:00 PM   Karasuno   3-1   SW         (ID: g1xdrw)
6/17/18   12:00 PM   GOATs      2-1   BW         (ID: g1xdrx)
6/17/18   12:00 PM   LNL        4-0   Eminent    (ID: g1xdry)
6/17/18   12:00 PM   Grizzlys   1-3   Karasuno   (ID: g1xdrz)
6/17/18   12:00 PM   Mirage     1-3   SW         (ID: g1xds0)
6/23/18   12:00 PM   GOATs            Eminent    (ID: g1xds1)
6/23/18   12:00 PM   Mirage     3-0   Grizzlys   (ID: g1xds2)
6/23/18   12:00 PM   LNL        1-3   Karasuno   (ID: g1xds3)
6/23/18   12:00 PM   BW         1-3   SW         (ID: g1xds4)
6/24/18   12:00 PM   BW               Grizzlys   (ID: g1xds5)
6/24/18   12:00 PM   Eminent          Karasuno   (ID: g1xds6)
6/24/18   12:00 PM   LNL              Mirage     (ID: g1xds7)
6/24/18   12:00 PM   GOATs            SW         (ID: g1xds8)
GamesEnd