Heavenly hand
24 tai#The dealer's opening 17 tiles already form a winning hand — no draw needed.
Example
1 Characters2 Characters3 Characters4 Characters5 Characters6 Characters7 Characters8 Characters9 Characters2 Dots3 Dots4 Dots4 Bamboo5 Bamboo9 Bamboo9 Bamboo
Win6 Bamboo
Counted by the scoring program:
- Heavenly hand24 tai
- Concealed self-draw3 tai
Counterexample
1 Characters2 Characters3 Characters4 Characters5 Characters6 Characters7 Characters8 Characters9 Characters2 Dots3 Dots4 Dots4 Bamboo5 Bamboo9 Bamboo9 Bamboo
Win6 Bamboo
You did draw the winning tile yourself, but it came after the deal, so it is not a heavenly hand.