hand structure riichi
Junchan
純全帯么九
(じゅんちゃん)
Definition
Pure outside hand - a 3-han (closed) or 2-han (open) yaku where every meld and the pair contains a terminal (1 or 9). No honor tiles allowed.
Related Terms
Chanta
混全帯么九
Outside hand - a 2-han (closed) or 1-han (open) yaku where every meld and the pair contains a terminal or honor. All melds must include at least one terminal or honor.
Terminal
么九牌
The 1 and 9 tiles of each suit. Together with honor tiles, they form terminals and honors (yaochuuhai).
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.