American Mahjong is a unique, fast-paced variation of the ancient Chinese game, characterized by its use of Jokers, a specialized passing phase called t...
American Mahjong is a unique, fast-paced variation of the ancient Chinese game, characterized by its use of Jokers, a specialized passing phase called the Charleston, and an annual card of winning patterns. This educational guide answers the most common questions for players looking to master the National Mah Jongg League (NMJL) style.
You can purchase the official card directly from the National Mah Jongg League (NMJL) website or through authorized retailers and local Mahjong clubs [3]. Because the card is copyrighted and updated annually, players must buy a new physical copy each year to remain current with the legal hand patterns [4].
In American Mahjong, the "card" is the most essential piece of equipment. Unlike most other versions of Mahjong where winning hands are based on static mathematical patterns (like four sets and a pair), the American variant requires players to match their 14 tiles to specific, pre-determined strings of tiles listed on the NMJL card [4].
Typically, the League releases the new card in late March or early April [1]. It is divided into sections such as "Consecutive Runs," "13579," and "Winds-Dragons." Each line on the card represents a specific winning combination. Because these combinations change every year, the game remains fresh and challenging even for veteran players [3]. If you are playing in a tournament or a standard club game, you are expected to have the current year's card with you at the table [1].
Standard American Mahjong is designed specifically for four players, though the rules can be adapted for three-player games [3]. While the game mechanics are built around four people sitting at a square table, the National Mah Jongg League provides specific guidelines for when a fourth person is unavailable [1].
In a four-player game, each player is responsible for their own wall and participates in the Charleston (the tile-passing phase). However, if you only have three players, you still set up the game as if four people were present. You build four walls, but one seat remains empty [1]. The "dummy" or missing player's tiles are simply not used, and no one picks from that player's wall until the other three walls have been exhausted [3].
While some enthusiasts play a two-player version often called "Siamese Mahjong," this is considered a separate variant and does not follow the standard NMJL tournament rules [3]. For the authentic experience, four players are highly recommended to ensure the tile distribution and passing phases function as intended.
American Mahjong differs from Chinese Mahjong primarily through the use of Jokers, the Charleston passing phase, and the requirement of an annual score card [4]. While Chinese Mahjong relies on traditional patterns like pungs (three of a kind) and chows (runs), American Mahjong uses a rotating list of complex hands and allows for "quints" (five of a kind) using Jokers [2].
| Feature | American Mahjong | Chinese Mahjong |
|---|---|---|
| Total Tiles | 152 (includes 8 Jokers) | 144 (usually no Jokers) [4] |
| Winning Hands | Fixed yearly patterns on a card | Standard sets (4 groups + 1 pair) [2] |
| Passing Phase | The Charleston (mandatory) | None [4] |
| Wild Tiles | 8 Jokers used as wildcards | Generally none [2] |
| Skill Focus | Pattern matching and adaptation | Mathematical probability and efficiency [2] |
Tom Sloper, a noted expert, points out that Chinese Mahjong is often considered simpler for beginners to learn because the goal—four sets and a pair—never changes [2]. In contrast, American Mahjong is often viewed as more difficult to master because players must re-learn the winning hands every year and manage the high-stakes strategy of Joker exchanges [4].
Jokers are wild tiles that can substitute for any tile in a pung (3), kong (4), quint (5), or sextet (6) [3]. However, they are strictly prohibited in any part of a hand that requires a single tile or a pair [1].
Managing Jokers is one of the most strategic elements of the game. Here are the core rules for their use:
Players must be careful when discarding Jokers. While you can discard a Joker if you have no other move, it is generally considered a waste of a powerful resource [1]. Furthermore, you cannot "call" a discarded Joker from the floor unless it is for an immediate Mahjong (win) [1].
The Charleston is a mandatory pre-game phase in American Mahjong where players exchange unwanted tiles to improve their hands [3]. It consists of two rounds of three passes each: Right, Across, and Left [4].
This phase is unique to the American variant and serves as a way to filter out "junk" tiles while trying to collect the specific tiles needed for a pattern on the card. The sequence is as follows:
Strategically, the Charleston is where the game is often won or lost. Players must decide early which hands they are aiming for and try to avoid passing tiles that might help their opponents—such as passing three tiles of the same suit [4].
In American Mahjong, scoring is determined by the value assigned to each hand on the NMJL card, ranging typically from 25 to 50 cents (or points) [3]. Payments are made immediately following a win, with the amount doubled if the winner drew the winning tile themselves (self-picked) [4].
| Event | Payment Amount |
|---|---|
| Standard Win | Value on card (paid by all players) [3] |
| Wall Win (Self-Picked) | Double the value on card (paid by all) [4] |
| Jokerless Win | Double the value on card (except for Singles/Pairs) [1] |
| Discarder Penalty | The person who threw the winning tile pays double (in some house rules) [1] |
If a player wins with a "Jokerless" hand (a hand that could use Jokers but doesn't), they receive a double score as a reward for the increased difficulty [1]. However, this bonus does not apply to the "Singles and Pairs" section of the card, as those hands are required to be jokerless by default [3]. If the game ends in a "Wall Game" (no more tiles left to pick and no one has won), no money or points are exchanged [1].
Yes, several platforms offer American Mahjong that follows the official NMJL rules and uses the current year's card [3]. Popular sites include "I Love Mahj" and "Mahjong Time," which provide digital versions of the card and automated tools to help beginners learn the patterns [4].
Online play is an excellent way for new players to practice because the software often highlights which hands you are closest to completing. This reduces the "card shock" that many beginners feel when looking at the physical NMJL card for the first time [4]. Many of these platforms offer a free trial period, allowing you to play against bots or real people to build your confidence before joining an in-person game [3].
A hand is declared "dead" (inactive) if a player makes an irreparable error, such as having the wrong number of tiles or making an illegal exposure [1]. Once a hand is dead, the player stops participating in the game but must remain at the table until the round ends [3].
Common reasons for a hand being declared dead include:
When a hand is dead, the player no longer draws or discards. However, if they were the victim of a miscalled tile earlier in the game, they might be protected depending on specific table rules [1]. Being declared dead is a learning experience that almost every Mahjong player goes through at least once.
The colors on the NMJL card (usually red, blue, and green) represent different suits, but they are not tied to a specific suit (Dots, Bams, or Craks) [3]. Instead, they indicate how many different suits you must use to complete the hand [1].
For example, if a hand is printed entirely in one color (e.g., all blue), it means the entire hand must be in one suit [3]. If it is printed in two colors, you must use two different suits. If it is in three colors, you must use all three suits [1]. You can choose which suit corresponds to which color, as long as you remain consistent throughout the hand. This flexibility is key to adapting your strategy based on the tiles you receive during the deal and the Charleston.
American Mahjong is a unique, fast-paced variation of the ancient Chinese game, characterized by its use of Jokers, a specialized passing phase called t...
You can purchase the official card directly from the National Mah Jongg League (NMJL) website or through authorized retailers and local Mahjong clubs [3]. Because the card is copyrighted and updated annually, players must buy a new physical copy each year to remain current with the legal hand patterns [4]. In American Mahjong, the "card" is the most essential piece of equipment. Unlike most other versions of Mahjong where winning hands are based on static mathematical patterns (like four sets and a pair), the American variant requires players to match their 14 tiles to specific, pre-determined strings of tiles listed on the NMJL card [4]. Typically, the League releases the new card in late March or early April [1]. It is divided into sections such as "Consecutive Runs," "13579," and "Winds-Dragons." Each line on the card represents a specific winning combination. Because these combinations change every year, the game remains fresh and challenging even for veteran players [3]. If you are playing in a tournament or a standard club game, you are expected to have the current year's card with you at the table [1]. ***
Standard American Mahjong is designed specifically for four players, though the rules can be adapted for three-player games [3]. While the game mechanics are built around four people sitting at a square table, the National Mah Jongg League provides specific guidelines for when a fourth person is unavailable [1]. In a four-player game, each player is responsible for their own wall and participates in the Charleston (the tile-passing phase). However, if you only have three players, you still set up the game as if four people were present. You build four walls, but one seat remains empty [1]. The "dummy" or missing player's tiles are simply not used, and no one picks from that player's wall until the other three walls have been exhausted [3]. While some enthusiasts play a two-player version often called "Siamese Mahjong," this is considered a separate variant and does not follow the standard NMJL tournament rules [3]. For the authentic experience, four players are highly recommended to ensure the tile distribution and passing phases function as intended. ***
American Mahjong differs from Chinese Mahjong primarily through the use of Jokers, the Charleston passing phase, and the requirement of an annual score card [4]. While Chinese Mahjong relies on traditional patterns like pungs (three of a kind) and chows (runs), American Mahjong uses a rotating list of complex hands and allows for "quints" (five of a kind) using Jokers [2]. | Feature | American Mahjong | Chinese Mahjong | | :--- | :--- | :--- | | **Total Tiles** | 152 (includes 8 Jokers) | 144 (usually no Jokers) [4] | | **Winning Hands** | Fixed yearly patterns on a card | Standard sets (4 groups + 1 pair) [2] | | **Passing Phase** | The Charleston (mandatory) | None [4] | | **Wild Tiles** | 8 Jokers used as wildcards | Generally none [2] | | **Skill Focus** | Pattern matching and adaptation | Mathematical probability and efficiency [2] | Tom Sloper, a noted expert, points out that Chinese Mahjong is often considered simpler for beginners to learn because the goal—four sets and a pair—never changes [2]. In contrast, American Mahjong is often viewed as more difficult to master because players must re-learn the winning hands every year and manage the high-stakes strategy of Joker exchanges [4]. ***
Jokers are wild tiles that can substitute for any tile in a pung (3), kong (4), quint (5), or sextet (6) [3]. However, they are strictly prohibited in any part of a hand that requires a single tile or a pair [1]. Managing Jokers is one of the most strategic elements of the game. Here are the core rules for their use: 1. **Substitution:** If you need a "4-Dot" to complete a kong of 4-Dots, you can use a Joker instead [3]. 2. **The "Dead" Rule:** You cannot use a Joker to complete a pair (2 tiles) or a single tile required by the card. If you do so and expose it, your hand will be declared "dead" [1]. 3. **Joker Redemption:** This is a crucial mechanic. If an opponent has an exposed set on their rack that includes a Joker, and you have the "natural" (real) tile that the Joker is representing, you may exchange your tile for that Joker on your turn [3]. This allows you to take the Joker into your hand for future use [4]. Players must be careful when discarding Jokers. While you can discard a Joker if you have no other move, it is generally considered a waste of a powerful resource [1]. Furthermore, you cannot "call" a discarded Joker from the floor unless it is for an immediate Mahjong (win) [1]. ***
The Charleston is a mandatory pre-game phase in American Mahjong where players exchange unwanted tiles to improve their hands [3]. It consists of two rounds of three passes each: Right, Across, and Left [4]. This phase is unique to the American variant and serves as a way to filter out "junk" tiles while trying to collect the specific tiles needed for a pattern on the card. The sequence is as follows: - **First Charleston:** 3 tiles to the Right, 3 tiles Across, 3 tiles to the Left [3]. - **The Blind Pass:** During the final pass of the first Charleston (the Left pass), if you don't have three tiles you want to get rid of, you can perform a "blind pass." This means you take 1, 2, or 3 tiles from the person passing to you and pass them along to the next person without looking at them [1]. - **Second Charleston:** If all four players agree, a second round is performed in the order of Left, Across, Right [3]. - **Courtesy Pass:** Finally, the players sitting across from each other can agree to exchange up to 3 tiles [4]. Strategically, the Charleston is where the game is often won or lost. Players must decide early which hands they are aiming for and try to avoid passing tiles that might help their opponents—such as passing three tiles of the same suit [4]. ***
In American Mahjong, scoring is determined by the value assigned to each hand on the NMJL card, ranging typically from 25 to 50 cents (or points) [3]. Payments are made immediately following a win, with the amount doubled if the winner drew the winning tile themselves (self-picked) [4]. | Event | Payment Amount | | :--- | :--- | | **Standard Win** | Value on card (paid by all players) [3] | | **Wall Win (Self-Picked)** | Double the value on card (paid by all) [4] | | **Jokerless Win** | Double the value on card (except for Singles/Pairs) [1] | | **Discarder Penalty** | The person who threw the winning tile pays double (in some house rules) [1] | If a player wins with a "Jokerless" hand (a hand that could use Jokers but doesn't), they receive a double score as a reward for the increased difficulty [1]. However, this bonus does not apply to the "Singles and Pairs" section of the card, as those hands are required to be jokerless by default [3]. If the game ends in a "Wall Game" (no more tiles left to pick and no one has won), no money or points are exchanged [1]. ***
Yes, several platforms offer American Mahjong that follows the official NMJL rules and uses the current year's card [3]. Popular sites include "I Love Mahj" and "Mahjong Time," which provide digital versions of the card and automated tools to help beginners learn the patterns [4]. Online play is an excellent way for new players to practice because the software often highlights which hands you are closest to completing. This reduces the "card shock" that many beginners feel when looking at the physical NMJL card for the first time [4]. Many of these platforms offer a free trial period, allowing you to play against bots or real people to build your confidence before joining an in-person game [3]. ***
A hand is declared "dead" (inactive) if a player makes an irreparable error, such as having the wrong number of tiles or making an illegal exposure [1]. Once a hand is dead, the player stops participating in the game but must remain at the table until the round ends [3]. Common reasons for a hand being declared dead include: - **Incorrect Tile Count:** Having more or fewer than 13 tiles in your hand (excluding your turn to draw) [1]. - **Illegal Exposure:** Exposing a pung or kong that includes a Joker when the card specifies that section must be "jokerless" or "concealed" [1]. - **Impossible Hand:** If your opponents can prove that the tiles you need to finish your exposed hand have all been discarded or exposed elsewhere, they can call your hand dead [1]. When a hand is dead, the player no longer draws or discards. However, if they were the victim of a miscalled tile earlier in the game, they might be protected depending on specific table rules [1]. Being declared dead is a learning experience that almost every Mahjong player goes through at least once. ***
The colors on the NMJL card (usually red, blue, and green) represent different suits, but they are not tied to a specific suit (Dots, Bams, or Craks) [3]. Instead, they indicate how many different suits you must use to complete the hand [1]. For example, if a hand is printed entirely in one color (e.g., all blue), it means the entire hand must be in one suit [3]. If it is printed in two colors, you must use two different suits. If it is in three colors, you must use all three suits [1]. You can choose which suit corresponds to which color, as long as you remain consistent throughout the hand. This flexibility is key to adapting your strategy based on the tiles you receive during the deal and the Charleston. ***
Now that you know the basics, find a game near you.
