Shousangen

Shousangen (小三元) is a standard yaku. This yaku employs the three sangenpai, where the hand is composed of two koutsu (triplet) and a jantou (pair) of the third type.

Shousangen
Type Yaku
Kanji 小三元
English Small three dragons
Value 2 han (Consider as 4 han)
Speed Medium
Difficulty Medium

Tile pattern

               agari :  

Winning on yasume (cheaper winning tile), notice that winning on   would give a daisangen yakuman instead.

Formation

Value

In general, this yaku is noted as 2 han. However, it is impossible for this yaku to score without two instances of yakuhai from the two groups of sangenpai. In combination, this yaku will never produce a hand worth less than 4 han.

External links

Shousangen in Japanese Wikipedia