hand structure riichi
Suuankou
四暗刻
(すうあんこう)
Definition
Four concealed triplets - a yakuman where all four melds are concealed triplets. Must win by tsumo or with a tanki wait on ron.
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.
Triplet
刻子
Three identical tiles. Can be concealed (ankou) or open (minkou). Also called koutsu.
Sanankou
三暗刻
Three concealed triplets - a 2-han yaku where you have three concealed triplets. One step below the yakuman suuankou.