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The '''Anime Central Mahjong Tournament''' is a mahjong competition held within the anime convention, Anime Central.  The convention itself is held at Rosemont, Illinois near Chicago.  The tournament is hosted by the [[Chicago Area Mahjong Players]].  The first edition was in 2010 and has since been held annually.
{{Infobox tournament
|image  =
|caption =
|Location    = Rosemont, IL
|Host        = [[Chicago Area Mahjong Players|C.A.M.P.]]
|Date        = May 17, 2014
|Type        = Anime convention event
|Playercount = 20
<!--Top 4-->
|First  = Taka
|Second  = Aaron
|Third  = Erik
|Fourth  = Adam
}}
 
This is the 2014 edition of the '''[[Anime Central Mahjong Tournament]]''', which is a mahjong competition held within the anime convention, Anime Central.  The convention itself is held at Rosemont, Illinois near Chicago.  The tournament is hosted by the [[Chicago Area Mahjong Players]].


== Rules ==
== Rules ==
[[Image:ACEN Tournament 2014.jpg|right|thumb|500px|ACEN tournament room]]
These are rules planned for the 2014 edition.  The rules primarily emulate [[Tenhou.net]], with some slight modifications due to time.
These are rules planned for the 2014 edition.  The rules primarily emulate [[Tenhou.net]], with some slight modifications due to time.


Line 27: Line 43:
: Flip after discard with other kans (open kan).
: Flip after discard with other kans (open kan).
* [[Sekinin barai|Yakuman pao]](ari)
* [[Sekinin barai|Yakuman pao]](ari)
: Half of yakuman payment if player upgrades opponent hand to apparent yakuman (daisangen, shousuushi, or daisuushi).
: Half of yakuman payment if player upgrades opponent hand to apparent yakuman (daisangen, shousuushii, or daisuushii).
: Full of yakuman payment in the event of yakumantsumo.
: Full of yakuman payment in the event of yakumantsumo.
* Daiminkan pao(nashi)
* Daiminkan pao(nashi)
Line 41: Line 57:
* Time limit cap (90 minutes): Time limit of 90 minutes is imposed.
* Time limit cap (90 minutes): Time limit of 90 minutes is imposed.
: Game clock begins at judge’s call, where the judge will ensure that all games start simultaneously.
: Game clock begins at judge’s call, where the judge will ensure that all games start simultaneously.
: Time stalling is discouraged and may warrant point penalties if necessary.
: '''Soft Cap''': Near 85 min mark, one more hand may be played after the current hand.
: '''Soft Cap''': Near 85 min mark, one more hand may be played after the current hand.
: '''Hard Cap''': Current hand when past 90 minutes is the last hand.
: '''Hard Cap''': Current hand when past 90 minutes is the last hand.
Line 80: Line 97:
* Fourth -> Table to the Left
* Fourth -> Table to the Left


== Results: top four ==
== Full results ==
{| class="wikitable" width=40% align="right"
|-
!colspan=6|Tournament final
|-
|-
! Rank !! Player !! Town !! Club !! +/- !! Score
|-
|1st ||Taka ||Elk Grove, IL ||CAMP|| 67|| 56500
|-
|2nd ||Aaron|| Detroit, MI ||DDRMTU|| 25|| 44600
|-
|3rd ||Erik ||Palatine, IL ||CAMP||-34 ||5800
|-
|4th ||Adam ||Tulsa, OK ||n/a|| -58|| -6900
|-
!colspan=6|Hanchan 1 and 2 - Aggregate
|-
! Rank !! Player !! Town !! Club !! +/- !! Score
|-
|Q||Taka||Elk Grove, IL ||CAMP|| 121|| 100500
|-
|Q|| Adam|| Tulsa, OK|| n/a|| 107 ||86400
|-
|Q|| Erik|| Palatine, IL|| CAMP|| 107|| 86000
|-
|Q|| Aaron|| Detroit, MI|| DDRMTU ||106|| 85600
|-
|5|| Jason|| Arlington Heights, IL|| CAMP|| 24|| 64500
|-
|6|| Ben|| Kirksville, MO|| n/a|| 19|| 59400
|-
|7|| Bim|| Rockford, IL|| NIU|| 16|| 55900
|-
|8|| Tom|| Ellisville, MO|| n/a|| 9|| 49000
|-
|9|| Kedama|| Vernon, WI|| DDRMTU ||9|| 48100
|-
|10|| Laura|| Sarasota, FL|| n/a|| 8|| 48500
|-
|11|| Elle|| Indianapolis, IN|| n/a|| -8|| 52200
|-
|12|| Trotskey|| Lakewood, OH|| DDRMTU|| -31|| 39700
|-
|14|| Dustin|| Wheaton, IL|| NIU|| -36|| 43400
|-
|13|| Derek|| Dekalb, IL|| n/a|| -38|| 42500
|-
|15|| Troi|| Chicago, IL|| n/a|| -45|| 35500
|-
|17|| Nick|| East Moline, IL|| n/a|| -57|| 33400
|-
|16|| Kevin|| Chesterfield, IL|| n/a|| -63|| 27200
|-
|18|| Kenton|| Hannibal, MO|| n/a|| -73|| 26800
|-
|19|| Lance/JasonC *|| Chicago, IL|| n/a|| -80|| 10000
|-
|20|| Ryan|| Murphysboro, IL|| n/a|| -95|| 5400
|}
 
This year, instead of the raw score, the uma/oka, or +/- score, is used to determine final standing.  Within the past year, I was able to figure out a fast short cut to determine +/- numbers, which allowed manual processing to be possible.  Unfortunately, as much as we tried, it became apparent, that maintaining a running score using this spreadsheet was outright impossible.  Therefore, the point stick scores had to be used to determine the +/- results during the tournament.  That is despite the inaccuracy of point stick scores to begin with. 
Nevertheless, the tabulation results verify the outcome determined by the point stick scores.  If any errors are found, please let me know.
 
A time limit was applied to ensure relative timeliness of the tournament's conclusion.  Out of the ten hanchan prior to the final, only three have completed the full hanchan, all the way to the conclusion of oorasu (South 4).  All the others had to be capped due to time.  Until general player speed improves, it may be necessary to simply use tonpuusen (East only) for preliminary games.  Overall, a total of 103 hands were played, averaging 9.4 hands a game.  Chombo is significantly reduced.  Only one instance of chombo occurred, which involved a ron declared while furiten.  Last year, five instances of chombo occurred.  So, this is a great improvement.  Likewise, out of the twenty players, only one opted out of the tournament midway, requiring one substitute.
 
As far as the numbers go, all four finalists won both of their games, as they each had a combined +/- result greater than 100.  As a result, this produces a large difference between the finalists and the rest of the field.  In comparision, not a single player produced a +/- aggregate greater than 60.  Ultimately, the finals feature the four strongest players of the field, that day.  In total, twenty-two hands resulted in mangan or greater.  Some of the notable ones include Jason's haneman on table 5, which included rinshan kaihou.  Two in table 4 included a baiman that dropped Kevin to 1000 pts.  However, he saved himself in oorasu with an open chiinitsu for mangan, which allowed him to gyakuten (surpass) and pull out of fourth into third.  No sanbaiman nor yakuman were scored
in the tournament.
 
Going into the final, neither Aaron nor Taka were subject to ron during their first two games.  Eventually, Taka takes the championship without being subject to a single ron, as he ended Aaron's clean streak.


== External links ==
== External links ==
* [http://www.acen.org/ Anime Central]
* [http://www.acen.org/ Anime Central]
* [https://drive.google.com/file/d/0B_v2k8ogrlrOU1dtejF1UkZTQms/edit?usp=sharing 2014 rules]
* [https://drive.google.com/file/d/0B_v2k8ogrlrOWnNCaGMwOTRlX1U/edit?usp=sharing 2014 rules]


[[Category:Tournaments]]
[[Category:Anime Central Mahjong Tournament]]
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