Terminal in every set 純全帯幺九 · junchan
Chanta without honors: every set and the pair contains a terminal, honors excluded.
| Value | 3 han closed · 2 han open |
|---|---|
| How often | rare |
The skeleton is strict: sequences of 1-2-3 or 7-8-9, triplets of 1s or 9s, a terminal pair, and not a single honor tile. In practice the chance shows up when your starting hand crowds both ends of the suits and sits empty in the middle. You'll be discarding 4s, 5s, and 6s early, which is itself a tell — observant opponents will read it and start guarding their terminals.
Junchan repays the patience by stacking well. The same 1-2-3 and 7-8-9 blocks feed sanshoku doujun 三色同順, and doubled sequences in a closed hand add iipeikou 一盃口 or even ryanpeikou. Stacked that way, the hand reaches haneman 跳満 and beyond.
Two traps deserve respect. First, a single honor anywhere in the hand — even as the pair — drops you to chanta 混全帯幺九 and costs a han. Second, check every tile of your final wait: a 2-3 shape wins on 1 or 4, but the 4 makes a 2-3-4 set with no terminal in it, and junchan disappears. With no other yaku, that side of the wait cannot win at all. Aim the last shape so every winning tile keeps the pattern alive.
Key points
- Sequences limited to 1-2-3 and 7-8-9; triplets and the pair must be 1s or 9s
- 3 han closed, 2 han open
- With ryanpeikou or sanshoku on top these hands reach haneman and beyond
Related yaku
- Terminal or honor in every set 混全帯幺九 — Every set — and the pair — contains at least one terminal (1 or 9) or honor tile.
- All terminals 清老頭 — Every tile in the hand is a terminal — 1s and 9s only, no honors.
- Three-color sequences 三色同順 — The same numbered sequence in all three suits: characters, circles, and bamboo.
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