How to Play American Mahjong: A Beginner's Guide
Everything a new player needs, the tiles, the card, the Charleston, a turn, and how to win, explained in the order it actually makes sense to learn it.
American Mahjong is a four-player tile game where everyone races to build a winning hand of 14 tiles that matches one of the hands printed on that year’s National Mah Jongg League (NMJL) card. The first person to complete a hand calls “Mah Jongg” and the round ends.
If you have watched a game and felt lost, that is normal. The trick is to learn it in pieces: the tiles, the card, the passing ritual called the Charleston, and then a normal turn. Take them one at a time and the whole thing clicks.
What you need
- A set of American Mahjong tiles: 152 of them, including 8 jokers and 8 flowers.
- This year’s NMJL card: a small foldout that lists every hand you are allowed to win with, and how many points each is worth. A new one comes out every April. You buy it from the National Mah Jongg League or an authorized seller (about $15). Learning to read whatever card is in front of you is a skill of its own: see How to Read the NMJL Card.
- Four players and a table. Racks help you hold your tiles upright.
The tiles
There are three numbered suits, each running 1 through 9:
- Bams (bamboo)
- Cracks (characters)
- Dots (circles)
Then the honor tiles:
- Winds: North, East, West, South.
- Dragons: red, green, and white. Each dragon “belongs” to a suit, which matters on the card.
And the specials:
- Flowers: 8 tiles, often interchangeable, used in many hands.
- Jokers: 8 wild tiles that can stand in for others in specific ways. Jokers are powerful and a little restricted; you cannot use one for a single tile in a pair, for example.
The goal
Every hand on the card is a specific pattern of 14 tiles. To win, your tiles must match one full line on the card, exactly, you cannot mix pieces of two different hands.
Patterns are built from a small vocabulary of groups: a pair (two identical tiles), a pung (three identical), a kong (four identical), a run (consecutive numbers in one suit), and so on. A line on the card might call for, say, a pung of green dragons and a run of dots, the card tells you the shape; your job is to build it.
Setting up
Players build a wall of face-down tiles, break it, and deal 13 tiles to each person (the dealer takes 14 to start). You will hold 13 tiles most of the time, and 14 on your turn or when you win.
The Charleston
Before real play begins, American Mahjong has a passing ritual you will not find in other mahjong variants, the Charleston. It is your chance to trade away tiles you cannot use and fish for ones you need.
- Pass 3 tiles to the player on your right.
- Pass 3 across the table.
- Pass 3 to your left.
There is then a second Charleston (left, across, right) that players can agree to shorten or skip, plus an optional final “courtesy” pass with the player across from you.
The Charleston is where a lot of games are quietly won or lost. Passing well means having a target hand in mind before you start giving tiles away, which is exactly the kind of judgment that takes practice to build.
Taking a turn
Play moves counter-clockwise. On your turn you:
- Draw a tile (from the wall, or claim the last discard in some cases).
- Decide whether it moves you toward your hand.
- Discard one tile face-up, calling it out.
When someone discards a tile you need to complete a group (a pung, kong, etc.), you can call it, take it and expose that group on your rack for everyone to see. Exposing commits you to a direction, so it is a real decision, not a reflex.
Reading the card (the basics)
The card looks dense, but it follows rules:
- Hands are grouped into sections by theme.
- Each line is one legal hand.
- Color means suits, not tiles. Same color = same suit; different colors = different suits. The colors do not tell you which suit to use.
- The letters at the end tell you if a hand is X (exposed, you may call tiles for it) or C (concealed, it must stay hidden until you win), and the number is its point value.
That is enough to start. Reading the card fluently, scanning it for the hands your tiles are closest to, is its own skill, and the one that most separates confident players from frustrated ones. Our guide to reading the NMJL card covers the notation in full: the groups, the letters, the sections, and where a joker is legal.
Winning and scoring
When your 14 tiles match a full line on the card, you declare Mah Jongg and reveal your hand. The round ends immediately. The point value printed next to that hand on the card is what it is worth; jokers and exposed vs. concealed play affect payouts. Since values live on the card and the card changes yearly, learning to read them off the card is part of the game.
Where beginners get it wrong
The teaching-first part, the mistakes almost everyone makes at first:
- Reading tiles, not patterns. Beginners see “three sixes” instead of “a pung.” The card is written in patterns, so you have to see your tiles that way too.
- Passing blind in the Charleston. Giving away tiles with no target hand in mind. Pick a direction early, even loosely.
- Chasing a dead hand. The tiles you need are all gone or exposed, but you keep going. Good players notice and switch.
- Misusing jokers. They feel free, but the rules on where they can and cannot go trip up new players constantly.
- Forgetting defense. Late in a hand, every discard is a risk. Watching what others expose keeps you from feeding someone’s win.
None of these are about memorization. They are about judgment, which is exactly what practice, done right, builds.
How to get good, fast
Reading a guide gets you to the table. Getting good is reps: seeing patterns until they are obvious, drilling the card until you can scan it, and learning why a move was right, not just that it was. That is what the Stoa Games app is built to do, structured lessons, spaced-repetition drills, and a companion that helps you work with your own current card.