What is Robbing a kan (チャンカン)?
One han for winning on the tile someone adds to a called triplet.
Han and calls
1 han（Open is fine）
How it is formed
- When someone adds the fourth tile to a called triplet, you may win on it.
- It is a win on a discard, so self-draw yaku do not apply.
- It works on open hands too.
Example hand
Winning with this shape gives the following.
- Yaku scored：Pinfu・Robbing a kan
- Fu：30 fu／2 han
- Points for this example：2,900 points（Ron）
This one depends on the situation at the table, so there is no board example.
Yaku it combines with
Questions
How many han is Robbing a kan?
1 han, whether the hand is closed or open.
Does Robbing a kan count on an open hand?
Yes. It still counts after pon, chi or kan.
Can I rob a closed kan?
No. Only added kans can be robbed here; there is no thirteen-orphans exception.
Now put it to work
Last updated 2026-09-14 · Run by Qdan, Inc.