Shousuushii (Little Four Winds) - Three Wind Triplets Plus Wind Pair

What is Shousuushii?

Shousuushii (Little Four Winds) is a yakuman where you have 3 wind triplets and the 4th wind as your pair. Related to Daisuushii (Big Four Winds), it’s the “younger sibling” yakuman.

Being honor-heavy and call-friendly, you can actively pon to build it. Occurrence rate is about 0.0105%.

Requirements

Condition	Detail	Notes
3 wind triplets	Any 3 of ESWN	Pon OK
1 wind pair	Remaining wind	Required
1 more meld	Anything	Sequence or triplet

Shousuushii vs Daisuushii

Aspect	Shousuushii	Daisuushii
Wind triplets	3	4
Wind pair	1	None
Difficulty	Yakuman	Harder
Occurrence	~0.0105%	~0.0016%

Example Hand

Basic Form

Hand: EEE SSS WWW NN 456p
Complete: 3 wind triplets + wind pair + 1 meld

With Calls

Pon: EEE(sideways) SSS(sideways)
Hand: WWW NN 23s
Wait: 1s or 4s

Building Shousuushii

From the Deal

Wind Situation	Decision	Reason
3+ pairs	Go for it	High chance
2 pairs + singles	Watch	Depends on draws
Scattered	Usually skip	Low probability

Choosing Over Daisuushii

Can collect all 4 winds
→ Aim Daisuushii

1 wind is short/few
→ Switch to Shousuushii

Strategy

Call Timing

Start early
- Monopolize winds
- Pressure opponents
Call 3 times
- Confirms Shousuushii
- Just need pair
Order matters
- Guest winds first (easier)
- Round/seat winds later

Wind Values

Wind	Situation	Value
Round wind	East in East	Yakuhai, harder
Seat wind	Your seat	Yakuhai, harder
Guest wind	Unrelated	Easier to get

Defending Against It

Warning Signs

2 wind calls
- Four Winds danger
- Block 3rd
Honor-heavy discards
- Collecting winds
- Be careful

Defense

Hold remaining winds
Don’t feed 3rd
Consider shibori

Complex Yaku

Combination	Condition	Value
Tsuuiisou	Last meld is honor	Double yakuman
Honroutou	Auto-complex	+2 han (irrelevant)
Sanankou	Menzen 1 concealed	+2 han (irrelevant)

Ultimate Form

Ex: EEE SSS WWW NN WWW
→ Shousuushii + Tsuuiisou (Double Yakuman)

Common Mistakes

Daisuushii confusion
- Shousuushii: 3 triplets + 1 pair
- Daisuushii: 4 triplets
Forgetting pair
- Wind pair required
- Other tile pair won’t work
Defense neglect
- 2 calls = warning
- Block 3rd
Last meld freedom
- Anything works
- Not limited to honors

Daisuushii: 4 wind triplets
Kazehai: Wind tiles
Yakuman: Limit hands
Jihai: Honor tiles
Honroutou: Can combine

Summary

Shousuushii is a yakuman with 3 wind triplets plus 1 wind pair. Easier than Daisuushii and call-friendly, aim for it when you have 2+ wind pairs. Beginners should learn “3 wind triplets + wind pair” and go for it when dealt multiple wind pairs. Be alert when opponents have 2 wind calls. Shousuushii delivers impressive visual impact with its honor tile display.