Mixed Double Chow
1 fan#The same chow in two suits, such as 2-3-4 of characters and 2-3-4 of dots.
Example
2 Characters3 Characters4 Characters2 Dots3 Dots4 Dots5 Bamboo6 Bamboo7 Bamboo7 Bamboo8 Bamboo9 BambooRed Dragon
WinRed Dragon
Counted by the scoring program:
- Mixed Double Chow1 fan · MCR fan patterns
- Concealed Hand2 fan · MCR fan patterns
- Single Wait1 fan · MCR fan patterns
- Total4 fan — under 8 fan you cannot win · MCR fan patterns
Counterexample
2 Characters3 Characters4 Characters3 Dots4 Dots5 Dots5 Bamboo6 Bamboo7 Bamboo7 Bamboo8 Bamboo9 BambooRed Dragon
WinRed Dragon
The characters and dots chows have different numbers.