What does the 'C' mean on the National Mah Jongg League card?
The 'C' stands for concealed and means that exposures are not allowed when making these hands. Concealed hands are more difficult to achieve, which is why they are worth more points.
The 'C' stands for concealed and means that exposures are not allowed when making these hands. Concealed hands are more difficult to achieve, which is why they are worth more points.