2014 Anime Central Mahjong Tournament

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.

Rules

These are rules planned for the 2014 edition. The rules primarily emulate Tenhou.net, with some slight modifications due to time.

Open tanyao.
Yakuless hand gains yaku on winning discard.
Discarding a tile from an existing tile group (e.g. discarding 1 from 123, after calling on 4).
No wind rotation when dealer is tenpai.
  • Agari yame (ari)
Last dealer may have the option to end game prematurely after one hand in oorasu, with or without the lead.
  • Double ron (ari)
Two players winning off of one discard.
Riichi sticks awarded to player closest to East.
  • Triple ron (hand reset, no rotation, add honba)
Three players claim a win off of the same discard, then sanchahou invoked.
If the discarder is dealer, then the wind rotates.
Calling riichi while furiten.
Immediate flip with ankan (closed kan).
Flip after discard with other kans (open kan).
No West Round. Game ends after Oorasu, regardless of point standing.
Half of yakuman payment if player upgrades opponent hand to apparent yakuman (daisangen or daisuushi).
Full of yakuman payment in the event of yakuman tsumo.
Pao rule not applied to rinshan kaihou acquired by daiminkan. Rinshan tsumo operates like any other tsumo.
Karaten does not imply noten.
  • Renhou (yaku set to mangan default)
Renhou is set to mangan regardless.
Cannot ron off an ankan (closed kan).
The penalized pays 3000 to each player, at the end of the game. If the offender is dealer, then the wind rotates.
  • Time limit cap
A time limit of 90 minutes is imposed. If a hand is ongoing at the 90 minute mark, then the game is capped at one more hand.

Rotation system

Results: top four

External links