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* Welcome New Players

American Duplicate Mahjong Association
American Duplicate Mahjong Association

Q. What is duplicate mahjong?
A. The short answer: players don't need to understand the details of the duplicate process, they just sit down at the walls provided to them and do their best as they normally would. The long answer is relevant only to tournament organizers. It's based on the way the walls are prebuilt for each hand. It is mahjong played with the elements of luck taken out, so that players can be ranked based solely on skill. This is a requirement in order for mahjong to be considered a mind sport, and for mahjong to qualify as a potential event in the 2020 Olympics.

Q. International competitions often use the official Chinese rules. How do I play Chinese mahjong?
A. To get you started, a great resource for the official Chinese game of mahjong can be downloaded: click here.

Q. Where can I learn more about Chinese mahjong?
A. Two great resources for Chinese mahjong:
1. Mahjong From A to Zhú by Scott D. Miller.
2. The Red Dragon & The West Wind: The Winning Guide to Official Chinese & American Mah-Jongg by Tom Sloper.

Q. Where can I get a set of mahjong tiles?
A. Try Yellow Mountain Imports.

Q. Is there a cheaper alternative to tiles for playing mahjong?
A. A set of mahjong playing cards is just $7.99 here.

Q. So where can I practice this awesome Chinese game online?
A. The official playing site of the Mahjong International League here.

Q. How do I get involved with the American Duplicate Mahjong Association?
A. Register here to keep up to date with the latest duplicate mahjong news.

* Duplicate Intro

* The One Book...

... to rule them all!

Shop for the Book
"Mahjong from A to Zhu"

The Ultimate Riichi Guide!

Shop for the Book
/ Hard Cover

* Recent Posts

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* Random Mahjong Image

October 31, 2018, 10:38:07 AM by SDMiller | Views: 460839 | Comments: 10

The first official duplicate mahjong event in the United States took place in Atlantic City, New Jersey during the Oct 21-23 Mah-Jongg Tournament hosted by Four Seasons Mah-Jongg, sanctioned by the American Duplicate Mahjong Association (ADMA), and observed by the Mahjong International League (MIL), playing the National Mah-Jongg League rules in the beautiful Harrah's Casino and Hotel Convention Center, with 176 attendees.
June 30, 2018, 10:12:26 AM by SDMiller | Views: 62962 | Comments: 2

The American Duplicate Mahjong Association with Four Seasons Mah-Jongg is hosting a duplicate mah-jongg event in Harrah's Casino Hotel, Atlantic City, New Jersey, October 21-23rd.

Treat yourself to a relaxing and fun weekend at Harrah's Casino Hotel. Players and non-players are welcome.
May 28, 2018, 09:33:19 PM by SDMiller | Views: 31899 | Comments: 0

As a prelude to future Olympic events, the 2nd World Mahjong Mind Games (WMMG) is announced to take place in Taipei from the 17th to 25th of November, 2018.

The American Duplicate Mahjong Association (ADMA) is planning to have a demonstration event of American style mah-jongg during the WMMG, and all interested players are encouraged to participate, helping to showcase your American-style heritage in the home country of mahjong: China!

Interested players should contact millersintexas at

Clockwise from top: Taipei skyline, Grand Hotel, Far Eastern Plaza, National Palace Museum, Chiang Kai-shek Memorial Hall, Jiantan Station.
August 03, 2017, 12:55:27 PM by SDMiller | Views: 32572 | Comments: 2

(Photo: China News Service)

GBTimes, Beijing - The traditional Chinese table game Mahjong was officially named a mind sport by the International Mind Sports Association in April.The traditional Chinese table game Mahjong was officially named a mind sport by the International Mind Sports Association in April.
The International Mind Sports Association (IMSA) has applied to the International Olympic Committee (IOC) to have six mind sports as demonstration events at the 2022 Beijing Winter Olympics, including the Chinese game of Mahjong.

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