AMERICAN MAH JONGG (Article 162)

National Mah Jongg League (NMJL) This style was created by the National Mahjong League (NMJL) in the late 1930s. Each player uses a card that describes approximately 30 pattern-based hands. The card is published with new patterns every April and can be purchased at the NMJL website. When a player purchases the card, they become a member of the NMJL and a portion of the proceeds from card sales go to selected charities.

The rules of the game, the categories on the card, and the conventions used to describe the valid combinations stay the same year after year, but the valid combinations change. The hands are arranged in categories like 2468, 369, 13579, and consecutive numbers. This style requires the player to gather singles, pairs, pungs (3 of a kind), kongs (4 of a kind), quints, or sextets to match one of the hands on the card. Flower tiles are used in many hands, and eight joker tiles can be used for anything but singles and pairs. One element that makes this game unique is the exchange of tiles called the Charleston, where unwanted tiles are passed multiple times before the first discard.

This style is probably the most common way to play in the United States, especially among Senior Citizens and the Jewish Community. In my opinion, it is the most challenging to learn but well worth the effort.

If you want to take lessons in person, please consider reaching out to a Mahj Life Instructor Guild Member https://mahjlife.com/instructor-guild-directory/

American Mah Jongg Versions

Publisher	Card	Years Active	Notes
American Mah Jongg Association	American Mah Jongg Association	1999 – 2024	Founded by players seeking a card with expanded variety while maintaining NMJL fundamentals.
Marvelous Mah Jongg	Marvelous Mah Jongg	2012 – present	Offers an annual card with themed hands and slightly modified rules for strategy variety.
Destination Mah Jongg	Next Generation Card	2016 to 2020	A newer release focused on bridging traditional NMJL play with modern design.
Mahjong Network Card	Mahjong Network Card	2024 – present	Created by an online mah jongg community; mirrors NMJL logic but adds digital integration.
Gladys Grad	Siamese Mah Jongg	2017 – present	Adapted for two players; uses a distinct rulebook and dedicated card published annually.
The Mahjong Line	The Big Card	2025 – new release	Designed for improved readability and accessibility; early adopters include senior playgroups.
Oh My Mahjong	The International Card	PENDING (expected 2026)	Blends American rules with global scoring features; emphasizes cultural crossover.
Mahjong Press Card	Mahjong Press Card	PENDING (expected 2026)	Announced as a designer-driven approach with rotating rule themes.

Alternative cards showcase the community’s creativity and appetite for variety. While some players enjoy the change of pace, others prefer to honor the traditional structure that defines American mah jongg.

Ultimately, the NMJL card remains the flagship standard for American Mah Jongg rules, scoring, and penalties. The new cards offer players additional options—but, as with all forms of mah jongg, harmony is best found by joining a group whose values and preferences match your own.

Two other styles use a couple of American mah jongg concepts (i.e., the Charleston, NEWS) but they are played like Asian versions (i.e., flowers are bonus tiles; most hands follow four blocks (i.e., chow, pung/kong) and a pair convention, exceptions with all pairs and Thirteen Orphans/Angels [singles of all 1s, 9s, NEWS, Dragons and any tile paired]):

1. Wright-Patterson Mah Jongg (est. 1920s) https://wrightpattersonosc.org/mah-jongg.htm
2. British/Western Mah Jongg (est. 1920s) https://mahjongbritishrules.wordpress.com/scoring/special-hands/

Differences Between American Mah Jongg and Asian Versions

There are two differentiators in American mah jongg, 1) the annual card; Asian versions have stable rules and hand requirements; and 2) flowers are part of many hands; flowers. In Asian versions, flowers are bonus tiles. In some versions, flowers are optional (e.g., Chinese Classical), and Hong Kong New Style and Japanese/Riichi mahjong do not use flowers. In Filipino mahjong, winds and dragons are bonus tiles like flowers.

American mah jongg is not the only version that has a Charleston. Western mahjong, primarily played in the UK, India, Australia, and New Zealand, is a variation of Wright-Patterson Mah Jongg and includes a variation of the Charelston. Also, American mah jongg is not the only version that uses jokers. Malaysian mahjong has jokers (e.g., faces, fly), and Vietnamese mahjong has two sets of four jokers, each with specific uses.

Each Asian version is based on Chinese Classical, which requires four blocks and a pair. The blocks can be either a chow (e.g., 123; can only claim a discard from the player on the left) or pung/kong (e.g., three of a kind/four of a kind; can claim a discard from any player). Most versions also have two special hands: 1) seven unique pairs, and 2) Thirteen Orphans/Wondors (e.g., 1 and 9 of each suit, one of each wind, one of each dragon, plus any tile paired). Each version has a different scoring; some versions omit tiles or use tiles differently. All versions versions use house rules. For example, some Hong Kong mahjong groups play with two jokers. Some Filipino groups flip a random tile in the wall, and that tile is a joker. Some Taiwanese players do a three-round Charleston, all going to the left. Some versions have an extra block, so a winning hand has 17 tiles (e.g., Taiwanese, Filipino, Chinese-Fuzhou).