Online. Any time.
The quarterly online league is a convenient way to compete against fellow members from the comfort of your own home. Each season features a three-month league open to both Oklahoma residents and non-residents.
Four Seasons Spring League ends June 30, 2025.

Fellowship and Fervor
Interact with other members as you coordinate game times through an exclusive Discord channel dedicated to online league members. Celebrate close wins (and mourn tough losses).
Compete conveniently on the popular mahjong app, Riichi City.
Digital Tiles. Physical Prizes.
Compete for the top spot to earn a place on the Four Seasons plaque, which travels across clubs and conventions. In addition, winners receive a commemorative trophy to keep.
Declared a rare yakuman? As if the points weren’t enough, all members who score a yakuman in league play receive an Oklahoma Mahjong Club pin celebrating the victory.
Easy Entry
Cost to join is only $5 for all Oklahoma residents and $10 for non-Oklahoma residents residing in the U.S.
Participation currently requires the app, Riichi City, and Discord.
Both apps are available on PC, Mac, iOS, and Android.
Rules
This league utilizes standard WRC rules, with some variations benefitting online play.
- Six-game minimum
- Four-player hanchan
- 60 minute time limit
- Dedicated Red Dora days
- Scores will be a sum total of the 6 best consecutive Uma scores
Full rules and details on joining the Riichi City tournament lobby are available here.