Tileborne American · NMJL Standard
Membership

Practice the reads that win games

The free lessons teach you the rules. Membership is the optional practice system — the full quiz bank, three member drills with self-checks, and progress saved to your account. Starts at $9/month (founding price for the first 150 members); cancel anytime.

See membership & pricing → Free core stays free · no account needed for the free tools · cancel anytime
The National Mah Jongg League Standard

Learn American
MahjongProperly.

One hundred fifty-two tiles. Eight jokers. A mandatory tile exchange called the Charleston. And a card — published fresh every spring — that lists every single hand you are allowed to win with. This is the whole game, explained in plain American English.

152
Tiles in play
8
Jokers
1937
NMJL founded
Up to 75
Standard point values, 2026 card
MJ, the Tileborne mascot, standing beside the tile fan
Four players Tiles on racks, not in hands The annual card lists every legal hand Charleston before the first discard
Free tool

Match your tiles to a 2026 hand

Pick the tiles in your rack and the Hand Finder shows which NMJL 2026 sections your hand fits — plus the joker and concealed rules for each. No sign-up, instant, works on your phone.

Open the Hand Finder → 30 seconds · no download · see the 2026 sections your hand points to

Why Julia Roberts, Blake Lively & Meghan Markle can't stop playing →

Free games

Play American mahjong, just for fun

Six free games built from real tiles: connect tiles, match pairs, drop rows, spot differences, rebuild scenes, and train your memory. No sign-up, no card data stored.

Open the games → 6 free games · no download · built from real American mahjong tiles
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From the school

The latest news and stories, published from the admin desk.

MJ
MJ saysNew here? Start with the tiles, then the Charleston.