- National Mah Jongg League (NMJL)
- nationalmahjonggleague.org
- Represents American Maajh players since 1937. Publishes a new set of hands each year.
3.9
(si*)
>90
<5
5
- American Mah-Jongg Association (AMJA)
- www.amja.net
- Formed in 1999 to promotes the game in the United-States of America.
3.6
(si*)
>30
-
4
- European Mahjong Association (EMA)
- mahjong-europe.org
- Encourages, disseminates and coordinates the playing of Mahjong in Europe.
3.5
(si*)
>80
<10
4
- World Mahjong Federation
- www.wmfed.com
- An initiative of the Korean based software company TankSoft. Nonprofit organization for promoting Mahjong. Hosts online games and organizes world-wide tournaments with money prizes. In Chinese, English, Korean, and Japanese.
3.5
(si*)
-
-
3
- Mahjong Denmark
- uk.mahjong.dk
- News about activities, events and championships organised by the Association of Danish Mahjong Players. Chinese Official International rules in PDF. Summary of Modern Japanese scoring.
3.2
(si*)
<10
<5
3
- Windy Chows Mah Jong Club
- wcmj1.tripod.com
- A club in Adelaide, South Australia.
2.9
(si*)
-
-
1
The rating value is calculated according to the algorithm, which considers all rating indicators.
As soon as number of users ratings reaches defined level, the rating is to be substituted by the users one.