A rack of tiles. A card of possibilities.
American mahjong combines pattern recognition, planning, and adaptation. You work toward a winning hand listed on your card while drawing, discarding, and responding to a game that keeps changing.
You do not have to recognize every possibility immediately. Start by learning what your tiles are telling you.
Start with the card
Your card describes the hands you can make. Read the whole line, including its suit requirements, number restrictions, and instructions. A rack that looks similar to a printed pattern still needs to satisfy all of that pattern’s conditions.
As you learn, practice reading one line carefully rather than trying to memorize the entire card at once.
Look for structure in your rack
Before choosing a hand, notice what you already have: repeated tiles, useful pairs, concentrations in one suit, and numbers that might work together.
Then look for card lines that make use of those strengths. A familiar hand is a useful starting point, but it should earn its place by fitting your tiles.
Understand the Charleston
The Charleston is the passing phase before regular play. It gives you an opportunity to exchange tiles and improve your starting direction.
Think of each pass as a decision about your whole rack. Which tiles strengthen your likely hands? Which ones are left over? What useful alternative would disappear if you passed a particular tile?
Learn the passing sequence and permitted choices from your official rules or instructor. Strategy becomes easier once the mechanics feel familiar.
Learn a few useful terms
| Term | Meaning |
|---|---|
| Rack | The tiles you are working with, and the holder used to arrange them. |
| Natural tile | The actual tile required by a pattern, rather than a joker standing in for it. |
| Pair | Two matching tiles. |
| Pung | A group of three matching tiles. |
| Kong | A group of four matching tiles. |
| Exposure | A group displayed face up during play. |
| Target hand | The card pattern you are currently trying to complete. |
| Backup hand | Another viable pattern that shares useful tiles with your rack. |
Make your first practice session small
Start with a random rack. Pick one plausible target and identify the tiles that help it. Look at what is missing. Then compare one alternative.
Before checking the app’s suggestions, explain your choice in a sentence: “I like this hand because…” That small habit turns a recommendation into something you can learn from.
Test the rules with real tiles
Which discards can you claim? Where can a joker go? Does this hand make Mahjong? Try short exercises with a rack and a target, then see the rule behind each answer. Practise one topic at a time, take a five-question mixed session, or revisit missed concepts with fresh tiles.