What is Menzen tsumo (メンゼンチンツモホー)?
One han for completing a closed hand with a tile you drew yourself.
Han and calls
1 han（Closed only）
How it is formed
- Win on a tile you drew, with a hand you never called on (a closed kan still counts as closed).
- It does not apply when you win on someone's discard.
- It stacks easily with riichi, pinfu and all simples.
Example hand
Winning with this shape gives the following.
- Yaku scored：Pinfu・Menzen tsumo
- Fu：20 fu／2 han
- Points for this example：2,100 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 Menzen tsumo?
1 han with a closed hand. Menzen tsumo does not count once you call.
Does Menzen tsumo count on an open hand?
No. It only counts on a closed hand.
Does a closed kan break menzen tsumo?
No, it does not. A closed kan keeps the hand closed; pon, chi and open kan do not.
Now put it to work
Last updated 2026-09-14 · Run by Qdan, Inc.