Hong Kong Mahjong · Limit
Seven Rob One (Chat Cheung Yat) in Hong Kong Mahjong: Limit Hand and Who Pays
In Hong Kong mahjong, Seven Rob One (七搶一) is a limit hand, worth Limit: you already have seven flowers in front of you, and when another player draws the last flower you "rob" it and win immediately, whatever your hand.
Seven Rob One and All Eight Flowers are a pair: draw the eighth flower yourself and it's All Eight Flowers; someone else draws it and it's Seven Rob One.
On this page
The rules for Seven Rob One
- You have seven flowers and another player draws the eighth
- You win as soon as it appears — your hand doesn't need to be complete
- The player who drew the eighth flower pays as if they had discarded: by default they pay the full amount, or 3 shares with "discarder covers"
- A limit hand: scored at the limit, no other fan added
How Seven Rob One is scored
The fan below are computed live by the same scoring code the game uses.
Won on a discard · East round · Seat wind: South
| Seven flowers rob one (七搶一) | Limit |
| Total | 10 fan · Limit |
|---|
Anything over 10 fan scores 10 (the limit).
| Situation | Fan | Who pays |
|---|---|---|
| Seven Rob One | Limit | The player who drew the eighth flower |
| All Eight Flowers | Limit | All three (as a self-draw) |
How it relates to other hands
- All Eight Flowers: draw the eighth flower yourself — scored as a self-draw, all three pay.
- Flower Set: seven flowers always include one complete set, so you already had a Flower Set.
- Own Flower: seven flowers always include your own seat's flowers.
Seven Rob One odds
One player has to collect seven flowers and the last one has to go to someone else — even more about timing than All Eight Flowers. Over 100,000 computer hands on this site, Seven Rob One happened 0 times; All Eight Flowers only 3 times, about once every 33,000 hands. Seven Rob One is rarer still in this sample — it may not show up even once in a hundred thousand hands, so its real frequency can't be pinned down. Separately, in 400,000 opening deals, 1 ended in Seven Rob One during the opening flower replacement.
FAQ
How many fan is Seven Rob One?
In Hong Kong mahjong Seven Rob One is a limit hand, scored at the 10-fan limit.
Who pays for Seven Rob One?
On this site the player who drew the eighth flower pays, like a discarder: 2 shares by default, 3 with "discarder covers". Some tables make all three pay — ask first.
How is it different from All Eight Flowers?
Both are all eight flowers. Draw the eighth yourself and it's All Eight Flowers, paid by all three; someone else draws it and it's Seven Rob One, paid by them. To see flower replacement in action, open a table of online Hong Kong mahjong.
Related hands
All Eight Flowers Limit
Flower Set 2 fan
Try it at the table
Hong Kong Mahjong — Play classic Hong Kong (Cantonese) mahjong free in your browser against three computer opponents. 13-tile hands, flowers, 3-fan minimum, 10-fan limit and automatic fan scoring. No sign-up, works on phone and desktop.