Concealed Hand
2 fan#No chow, pung or open kong, and you win on another player's discard. A concealed self-draw scores fully concealed hand instead.
Example
2 Characters3 Characters4 Characters5 Characters6 Characters7 Characters3 Dots4 Dots5 Dots9 Dots9 Dots6 Bamboo7 Bamboo
Win8 Bamboo
Counted by the scoring program:
- Short Straight1 fan · MCR fan patterns
- Pinfu2 fan · MCR fan patterns
- Concealed Hand2 fan · MCR fan patterns
- Total5 fan — under 8 fan you cannot win · MCR fan patterns
Counterexample
2 Characters3 Characters4 Characters5 Characters6 Characters7 Characters3 Dots4 Dots5 Dots9 Dots9 Dots6 Bamboo7 Bamboo
Win8 Bamboo
The same hand won by self-draw scores fully concealed hand (4 fan) instead of concealed hand.