One-Day Events

Four players lean in over a green-matted mahjong table as one makes a discard. Multiple tournament tables and players are visible in the background at Omnihedral. Wide view of Omnihedral's game room packed with players at mahjong tables during the March 2026 one-day tournament. String lights hang from the ceiling across the full venue. Four players sort yellow mahjong tiles at the start of a hand. One player smiles and wears a name tag while tiles are being set up on the green mat. A tournament organizer stands in the center of the room overseeing active play at Omnihedral. Players study their tiles in the foreground while more tables are visible in the background. Four players concentrate on an active mahjong hand. A player wearing a colorful floral cap leans in to study the yellow tiles arranged on the table. Players build their starting walls at a large mahjong table while a full room of competitors does the same in the background. The busy March 2026 tournament floor at Omnihedral stretches across multiple tables. Group photo of approximately 30 tournament participants gathered at the end of the March 2026 one-day event at Omnihedral game store in Savage, MD. Mahjong tables are visible in the foreground. Four players sit in focused concentration around a mahjong table mid-game. Tiles are arranged on the mat as players study their hands carefully. A young player in a maroon sweater smiles during a tournament game at Omnihedral. Three other players are seated around the table, with the store's blue wall and shelves visible in the background. Wide shot of the full tournament room showing players at multiple mahjong tables in active play. The room is packed for the one-day event at Omnihedral. Players shuffle and mix yellow mahjong tiles across the mat at the start of a new hand, with a busy room of other competitors visible in the background. A player reaches across the mahjong table to make a tile claim while three opponents watch. Several other games are underway in the background at Omnihedral.

When & Where

New in 2026, we are hosting larger events once a quarter! In spring, fall, and winter, we're holding one-day tournaments.

These events are hosted at the Omnihedral board game store, located in Maryland between Baltimore and DC.

The street address is 8600 Foundry St, Savage, MD 20763.

Ruleset & Format