Rob a kong
1 tai#Someone adds to a pung with the very tile you are waiting on; you may take it and win (the tile must have been your winning tile at that moment).
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:
- Concealed hand1 tai
- All sequences2 tai
- Rob a kong1 tai
Counterexample
1 Characters2 Characters3 Characters4 Characters5 Characters6 Characters7 Characters8 Characters9 Characters2 Dots3 Dots4 Dots4 Bamboo5 Bamboo9 Bamboo9 Bamboo
Win6 Bamboo
The tile was simply discarded, not added to a kong: an ordinary win.