Toutenkou

Toutenkou 「東天紅」 is a special 3-player mahjong variation mainly popular in Kanto region. Currently available in Tenhou computer matches.

Rule Introduction

Only uses of manzu tiles and all of pinzu, souzu and honor tiles (including red fives), 112 tiles in total.

are kari 「カリ」, similar to nukidora. 20 rinshan tiles in total.

A valid winning hand must include at least one of any regular yakus (identical to regular riichi mahjong yakus). A hand cannot win with only special yakus.

Instead of calculating with fu and han, the score is only counted with points.

Ron takes points from only one opponent (with 8 more extra points than tsumo).

Tsumo takes points from two opponents.

External Links

• 東天紅_(麻雀)

Toutenkou in Japanese Wikipedia