What is Big four winds (ダイスーシー)?
Triplets of all four winds — a double yakuman on this site.
Han and calls
Double yakuman
How it is formed
- Make triplets or kans of East, South, West and North.
- Only the pair remains.
- Calling is allowed.
Example hand
Winning with this shape gives the following.
- Yaku scored：Big four winds
- Fu：25 fu／Double yakuman
- Points for this example：96,000 points（Tsumo）
This opens the practice board with the hand already set up; press Tsumo to win with it.
Yaku it combines with
Questions
How many han is Big four winds?
It is a yakuman (Double yakuman on this site).
Does Big four winds count on an open hand?
Yes. It still counts after pon, chi or kan.
Is big four winds a double yakuman?
On this site, yes. Many house rules count it as a single yakuman.
Now put it to work
Last updated 2026-09-14 · Run by Qdan, Inc.