Big four winds 大四喜 · daisuushii
Triplets of all four wind tiles.
| Value | Yakuman |
|---|---|
| How often | very rare |
Hardly anyone plans daisuushii from the deal. It grows out of shousuushii 小四喜 when the pair of the fourth wind turns into a triplet, and the arithmetic explains why: twelve of the sixteen wind tiles have to end up in one hand. The realistic route is early wind pons that keep landing, with the pair as your one free choice. That choice matters more than it looks. Pair a dragon and the hand is also tsuuiisou 字一色, which counts separately in rulesets that let yakuman stack.
Most players meet this hand from the defending side. Once a third wind pon hits the table, treat every wind in your hand as undiscardable; some rulesets extend pao 包 (liability) to whoever feeds the fourth wind triplet, so one loose discard can cost the entire payment. Value depends on where you play: WRC scores all yakuman as single, while many Japanese rules count daisuushii double. If you are the one building, assume the last wind will not come from a discard: check the visible copies, plan to draw it yourself, and remember that falling one triplet short still leaves shousuushii, itself a yakuman.
Key points
- Counted as a double yakuman in many Japanese rules; single in WRC
- Pao (liability) may apply to whoever feeds the fourth wind pon in some rules
- Among the rarest hands in recorded play
Double yakuman in many rulesets; WRC scores all yakuman as single.
Related yaku
- Little four winds 小四喜 — Triplets of three wind tiles and a pair of the fourth wind.
- All honors 字一色 — The whole hand is honor tiles — winds and dragons only.
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