gameplay riichi
Chankan
槍槓
(ちゃんかん)
Definition
Robbing a kan - winning by ron when another player adds a fourth tile to an existing pon (shouminkan). A 1-han yaku. Only works on shouminkan, not ankan or daiminkan.
Related Terms
Kan
槓
A quad - four identical tiles. Can be concealed (ankan), open (daiminkan), or added to an existing pon (shouminkan). Reveals an additional dora indicator.
Ron
ロン
Winning by claiming another player's discard. The discarder pays the full amount. Cannot be declared if in furiten.
Yaku
役
Scoring patterns or hands. You must have at least one yaku to win (except with riichi). Each yaku is worth a certain number of han.