Scoring Utility
Keep score as you play: fan in — points, chips, and money out, with a shared scoreboard the whole table can watch from a link.
Mahjong Research Co
Technical resources for mahjong.
Find a group to play with, learn how each style scores, settle table disputes, and put real numbers on the game.
147 groups tracked
130 on the map
11 styles represented
23 countries/regions
On the site
What you'll find here.
Directory
Mahjong groups, clubs, and organizers around the world — searchable by style, region, and format.
Scoring
How scoring works in Hong Kong, Riichi, MCR, American, Taiwanese, and Sichuan play — including side-by-side comparisons of real house rules.
Table Talk
Slang, trash talk, superstitions, and swear words from Cantonese, Japanese, Mandarin, and English tables.