Play in the UC Berkeley Mahjong Club's Fall 2025 Riichi Mahjong Open! We are ARA certified. The tournament will be held on the UC Berkeley campus in the Tilden Room in the Martin Luther King Jr. Student Union (on the fifth floor). We will be using discord to communicate. Here is the link: https://discord.gg/68ua2VSkS
Dates: November 1st to November 2nd, 2025
Venue: TIlden Room, MLK Student Union
Address: 2495 Bancroft Way, Berkeley, CA 94720
Ruleset: WRC 2025 Rules with the following modifictions:
Mod. 2.1—Red Fives
Mod. 3.2—Nagashi Mangan
Mod. 4.1—Uma (30/10/-10/-30)
Mod. 6.3—Lower Penalties
You can find the list of rules and modifications here.
The format will be a scramble format, with 5 hanchan on Saturday and 4 hanchan on Sunday. The final placements will be based on the overall scores of day 2. Prizes will be awarded to the top 4 participants.
The entry fee will be $25 for students and $35 for non-students (+ eventbrite fees). Only purchase the student ticket if you are CURRENTLY a student (this will be verified upon entry at the tournament). Your entry fee helps fund the costs of running this event, including the cost of the venue reservation, supplies, as well as the purchase of the Mahjong sets used for the tournament to be used in future club events.
Water will be provided at the venue. Food/other beverages will not be provided, but are available within walking distance of the venue.
Below is the tentative agenda for each day. Please arrive by 9:50 AM each morning to avoid any late penalties/drops. Free play will start after the last tournament hanchan of the day, and end at 9:00 PM each day. The room must be fully cleared by 10:00 PM.