How to Play American Mahjong: A Complete Beginner’s Guide

American Mahjong is a four-player tile game built around pattern recognition, flexible planning, and a changing annual card. Your immediate goal is to assemble one complete hand printed on that year’s card while managing draws, discards, calls, exposures, and Jokers.

Quick answer

To play American Mahjong, four players build walls, deal 13 tiles each—East starts with 14—and complete the Charleston passing ritual. Players then draw and discard in turn, using the current National Mah Jongg League card to pursue a listed hand. The first player to legally complete a hand declares “Mah Jongg.”

Rules basis before you begin

This guide describes common National Mah Jongg League-style American Mah Jongg for four players using the 2026 card. The annual card determines the legal hands, their values, whether they are exposed or concealed, and any special notes. You need your own current card; this guide does not reproduce or replace it.

Published league guidance, tournament regulations, teacher conventions, and house rules do not always resolve edge cases in exactly the same way. Before play, agree on details such as scoring, Charleston stopping procedures, and how mistakes are handled.

What you need to play American Mahjong

A standard American set usually contains 152 tiles:

  • 36 Craks, numbered one through nine, with four of each
  • 36 Bams, numbered one through nine, with four of each
  • 36 Dots, numbered one through nine, with four of each
  • 16 Winds: North, East, West, and South
  • 12 Dragons: Red, Green, and White (often called Soap)
  • 8 Flowers
  • 8 Jokers

You also need four racks and the current annual card for every player. Dice, a bettor, and chips or coins may be included but are not essential for a friendly learning game. American sets vary visually, so verify the contents before your first deal.

Understand the annual card

Unlike a fixed-hand game, NMJL-style American Mah Jongg changes every year. The card groups hands into sections and shows exact combinations through numbers, letters, colors, and spacing.

Read each line literally:

  • Numbers show tile ranks, not quantities.
  • Colors indicate how many suits the hand uses. They do not force a specific suit; you assign Craks, Bams, and Dots consistently.
  • Letters stand for Winds, Dragons, Flowers, or zeroes as defined on the card.
  • Spaces separate groupings such as singles, pairs, three-of-a-kind groups, four-of-a-kind groups, or larger combinations.
  • X or C designations tell you whether a hand may be exposed or must remain concealed.
  • The printed value provides the hand’s base score under that card.

Set up the table and deal

Seat four players around a square table. Each player places a rack in front of them. Turn all tiles face down and mix them thoroughly with both hands—a process often called washing.

Each player builds a wall 19 stacks long and two tiles high. The four walls form a square. Table methods for choosing East and breaking the wall vary, so beginners can simply choose East by mutual agreement and follow a consistent deal.

East receives 14 tiles; every other player receives 13. Traditional dealing commonly happens in packets from the wall, but the important result is the correct starting count. Players place tiles on the sloped part of their racks so opponents cannot see them. East will make the first discard after the Charleston.

For a closer look at walls, racks, and a clean deal, see American Mahjong setup explained.

Complete the Charleston

The Charleston is a structured exchange before normal play. Its purpose is to improve hands and give every player information about what is plentiful or scarce.

In the standard first Charleston, each player passes three tiles:

  1. Right
  2. Across
  3. Left

A second Charleston may follow in the reverse order:

  1. Left
  2. Across
  3. Right

Current practice includes rules about whether the second Charleston continues and whether players may blind pass on the final pass. Those details can depend on the governing rules and table procedure. Most important for beginners: pass exactly when instructed, do not take back a tile after committing it, and never pass a Joker.

After the Charleston, players may make a courtesy pass across. The two opposite players agree on a number, commonly zero through three, then exchange that many tiles simultaneously.

Read the Charleston step by step before leading it for the first time.

Choose a realistic hand

After the passing ends, compare your tiles with several lines on the card. Beginners often make the mistake of choosing one hand too early. Instead, shortlist two or three related possibilities.

A useful evaluation asks:

  • How many tiles already fit?
  • Which unwanted tiles can I discard safely?
  • Does the line require difficult pairs or many singles?
  • Can one draw let me pivot to another hand?
  • Is the hand exposed or concealed?
  • Where could Jokers legally help?

Pairs and singles are less flexible because Jokers generally cannot represent them. Repeated groups of three or more matching tiles are usually easier to support with Jokers. Still, a hand with many natural tiles may be stronger than an apparently simple Joker-friendly line.

How normal play works

After the Charleston and any courtesy pass, East discards one tile face up into the center and names it clearly. Play then moves counterclockwise.

On a normal turn, a player:

  1. Draws the next available tile from the live wall.
  2. Brings it to the rack and evaluates the hand.
  3. Optionally exchanges a natural tile for an exposed Joker when legal.
  4. Discards one tile face up and announces its name.

A player usually begins and ends a turn with 13 tiles. During the decision point after drawing, the player has 14. East is the opening exception because East starts with 14 and discards first.

Keep your drawn tile separate until you decide what to discard. This simple habit helps prevent accidental extra tiles and makes corrections easier.

Calling a discard and exposing tiles

If another player discards a tile that completes a needed group, you may be able to call it. Say “Call” promptly, take the discard, place the complete grouping face up on top of your rack, and then discard so play continues.

A discard generally may be called to complete an eligible grouping of three or more matching tiles in an exposed hand. You cannot call merely to form a pair. A tile that completes Mah Jongg is the important exception: it may be called for the winning hand, including a needed single or pair, subject to the hand and rules in use.

A concealed hand cannot be exposed before Mah Jongg. If its line permits Jokers in eligible groupings, those Jokers may still be used inside the concealed rack; “concealed” does not automatically mean “no Jokers.”

When multiple players want one discard, priority and timing rules matter. A Mah Jongg claim generally takes precedence, but tournaments may specify exact verbal and exposure requirements. Pause and apply the agreed rules rather than improvising.

Use Jokers correctly

Jokers are flexible, but not universal. In NMJL-style play:

  • A Joker generally substitutes only within an eligible grouping of at least three identical tiles.
  • A Joker cannot represent a single or a pair.
  • A Joker cannot be passed during the Charleston or courtesy pass.
  • A Joker may be used in an eligible grouping in a concealed hand, although that hand cannot be exposed before winning.
  • A player who holds the matching natural tile may exchange it for an exposed Joker under the applicable timing rules.
  • A discarded Joker is treated as a discard and cannot be claimed as a Joker.

The annual card can include hand-specific restrictions, so always read the line. See the complete beginner guide to Joker rules for examples.

Declaring Mah Jongg

You win when your 14 tiles exactly match one complete hand on the current card. The winning tile may be self-drawn or, when legal, called from another player’s discard.

Before declaring, verify:

  • Every tile matches the line.
  • Suit assignments are consistent with the card’s colors.
  • Group sizes and spacing are correct.
  • Singles and pairs contain no Jokers.
  • The hand’s exposed or concealed status is satisfied.
  • Any card note is followed.

Say “Mah Jongg,” display the full hand, and identify the matching line. The table should verify it before scoring. If the declaration is incorrect, the consequences depend on the rules being used; tournaments are normally stricter than social games.

A simple beginner example

Suppose your candidate line needs several groups in two suits plus a pair of Flowers. You hold most of one numbered group, one Flower, and scattered tiles that support a second card line.

Pass tiles that fit neither possibility, protect a completed Flower pair, and call only when the exposure materially advances an exact printed hand.

Beginner mistakes to avoid

  • Playing without the current annual card
  • Treating colors as fixed suits rather than relative suit assignments
  • Passing a Joker
  • Using a Joker in a pair
  • Calling a discard for a pair before Mah Jongg
  • Exposing part of a concealed hand
  • Forgetting to discard after a call
  • Holding 12 or 14 tiles between turns without noticing
  • Declaring a win before checking the card note
  • Applying a teacher’s convention as though every table uses it

American Mahjong rules FAQ

Can American Mahjong be played with three people?

Yes, but three-player procedures modify seating, walls, dealing, or passing. Because methods vary, agree on a published three-player variant before starting. The core four-player flow in this guide should not be silently applied without adjustment.

Do all players need the same annual card?

All players should use the same year and edition. The card changes annually, so mixing years means players are pursuing different legal hands.

Can I call any discarded tile I need?

No. During ordinary play, a discard is generally called only to complete an eligible exposed grouping of three or more matching tiles. A winning tile may have broader call rights because it completes Mah Jongg.

Can a concealed hand use Jokers?

Yes, if the Jokers occupy eligible groupings. The restriction is that the hand cannot be exposed before Mah Jongg. Jokers still cannot replace required singles or pairs.

What happens when the wall runs out?

If no one has made Mah Jongg when the playable wall is exhausted, the game is a draw. Do not use loose replacement tiles or rebuild the wall unless your chosen rules expressly say to do so.

Is American Mahjong the same as Chinese Mahjong?

No. American Mah Jongg uses an annual card, the Charleston, racks, and Jokers. Chinese regional rulesets differ from one another, so “Chinese Mahjong” should not be treated as one universal comparison game.

Start playing with a complete American Mahjong set for home, clubs, and gifts.

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Editorial note

Independently produced by USA Mahjong; not affiliated with or endorsed by the National Mah Jongg League. Reviewed for the 2026 card and current published guidance; tournament and house rules may differ. The annual National Mah Jongg League card defines the year’s legal hands and is not reproduced here.

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