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

Compatability

^ Ippatsu requires riichi to be of any use.

RCH DRI IPP^ SMO TAN PFU IPK ITT YAK SDJ SDO TOI SNA SNK CHA JUN RPK SSG HRO HON CHN CHI RIN HAI HOU CHK
SSG                                                  

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