Last-tile self-draw 海底撈月 · haitei raoyue
Win by self-drawing the final tile of the live wall — “scooping the moon from the sea bottom.”
| Value | 1 han, open or closed |
|---|---|
| How often | rare |
You can't build toward haitei, but you can see it coming. In the late turns, glance at the wall and work out who gets the final draw. If it's you and you're tenpai テンパイ, that last tile carries a bonus han on top of whatever the hand already scores: riichi plus a closed self-draw plus haitei is already 3 han before any dora ドラ.
Kans move the target. Every kan takes its replacement tile from the dead wall and shortens the live wall by one, so a single late call can shift the final draw from your seat to another player's, or hand it to you. You don't need to engineer this, but knowing it happens keeps you from being surprised when the last draw lands somewhere unexpected.
The habit that earns haitei over time is simply staying tenpai when the tiles you would discard are safe. You keep your chance at the last draw, at houtei on the final discard, and at the tenpai payment if the hand ends in a draw (see how winning works).
Key points
- A luck yaku: you cannot plan for it, but it stacks with whatever else the hand has
- Pairs conceptually with houtei, its discard-based twin
Related yaku
- Last-discard win 河底撈魚 — Win by ron on the final discard of the hand — “netting the fish from the river bottom.”
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