Riichi Mahjong Yaku
Four Big Winds
Also known as: Daisuushii · Daisushi · 大四喜
Triplets or quads of all four wind tiles: East, South, West, and North.
Yaku value
Closed hand
Yakuman
Open hand
Yakuman
Requirements
Complete one set of each wind. The pair may be any other legal tile, and the hand may be open or closed.
Common scoring mistake
Some rules score Four Big Winds as a double Yakuman while others use a single Yakuman. Confirm the table rules.
Values follow common modern Riichi rules. Local and tournament rules may differ, especially for double Yakuman.