Free American Mahjong Practice
Charleston Trainer
Build a direction, choose three tiles to pass, and learn why each decision helps—or limits—your hand.
RIGHT PASS · SELECT 3 TILES
Choose tiles that least support your rack
Coach: Start by finding pairs, repeated numbers, and your strongest suit. Pass tiles that support none of those clues.
Practice review
Your Charleston analysis
B
Read your rack
Pairs, clusters, and suit concentration are useful early clues—not permanent commitments.
Protect flexibility
Keep tiles that work in more than one possible card line while your direction is forming.
Learn from feedback
After every pass, compare your choice with a structure-based recommendation.
Build the fundamentals
Turn practice into confident play
The trainer teaches general decision skills and does not reproduce any annual NMJL card.
Practice safely and privately
No account is required. Scores and preferences stay in your browser and are not sent to MRSFA. This independent learning tool is not affiliated with or endorsed by the National Mah Jongg League and does not reproduce any annual card.
Common questions
American Mahjong Charleston practice FAQ
What is the Charleston in American Mahjong?
The Charleston is a structured series of three-tile passes used before normal play. It helps players improve their racks and begin identifying possible hands.
Does this trainer use the current NMJL card?
No. The trainer teaches general skills such as protecting pairs, recognizing clusters, and preserving flexibility. It does not display or reproduce any annual card.
Do I need an account?
No. The trainer runs in your browser. Your best score and preferences remain on your own device.
Can complete beginners use it?
Yes. The introduction, tile-by-tile explanations, three difficulty levels, and optional Chinese coaching are designed for new players.