World Riichi Mahjong League

The World Riichi Mahjong Association is a competitive mahjong series within the Osamuko.com group under the direction of the site owner, Osamu.

Seasons

December (6,13,20, and 27), 2014
January (9, 16, 23, and 30), 2015
March (8, 15, 22, 29), 2015 : 05:00-08:00 GMT

Game rules

Official rules page

The game rules are enforced by Tenhou.net within its championship lobby system. The rules are modified as follows:

External links