gameplay riichi
East Round
東場
(とんば)
Definition
The first round of a hanchan where the round wind is East. Each player gets one turn as dealer (minimum 4 hands).
Related Terms
South Round
南場
The second round of a hanchan where the round wind is South. Follows the East round.
Tonpuu
東風
East round only - a short game format consisting of one round (4 hands minimum). Common for online quick matches.
Hanchan
半荘
A half-game consisting of both East and South rounds (two full rotations). The standard game length for competitive riichi mahjong.