hand structure riichi
Suukantsu
四槓子
(すうかんつ)
Definition
Four kans - a yakuman where you have four quads. One of the rarest yakuman. In some rule sets, if a fifth kan is declared by any player, the hand ends in draw.
Related Terms
Yakuman
役満
Limit hand - the maximum scoring hands worth 13+ han. Pays 32,000 (non-dealer) or 48,000 (dealer) for single yakuman. Examples: kokushi, suuankou, daisangen.
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.
Sankantsu
三槓子
Three kans - a 2-han yaku where you have three quads (kan). Very rare. Four kans would be the yakuman suukantsu.