What is Half flush (ホンイツ)?
One suit plus honours — 3 han closed, 2 when open.
Han and calls
3 han → 2 han
How it is formed
- Use number tiles from only one of the three suits.
- Any number of honour tiles is allowed.
- With no honours at all it becomes chinitsu, which is worth more.
Example hand
Winning with this shape gives the following.
- Yaku scored：Half flush・Menzen tsumo
- Fu：40 fu／4 han
- Points for this example：8,000 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 Half flush?
3 han closed, dropping to 2 han when you call.
Does Half flush count on an open hand?
Yes. It still counts after pon, chi or kan.
Can a half flush be made with calls?
Yes, for 2 han. It combines well with dragon triplets, so it is a common open hand.
Now put it to work
Last updated 2026-09-14 · Run by Qdan, Inc.