Run the round

How to play Clean Call Window

Step 1

Make mahjong call timing fair.

Step 2

Judge the call result against the scoring rule before anyone resets.

Step 3

Reset the call setup, rotate evenly, and stop at the agreed finish condition.

Guide details

Run it cleanly

Scoring

How the result works

Make mahjong call timing fair. A player who passes calmly on a bad call earns bonus. Format: Call timing.

Example: Make mahjong call timing fair.

Host tip

Keep it clean

Changing the call objective or score value after the round starts. Keep it visible.

Safety: Use age- and space-appropriate pieces or props, keep walkways clear, and allow a pass on any unsuitable challenge.

Best for

Who it fits

3-4 who want a 20-60 min round.

Energy

Pace

Low

Board Mahjong

Category Mahjong Table

Best for 3-4 who want a 20-60 min round.

Players 3-4

Time 20-60 min

Gear Mahjong tiles, table, racks if used, and score sheet

Space Table with room for tiles and a public score

Energy Low

Setup Start from Mahjong Board and tell the group the activity is Clean Call Window.

Twist it

Variations to try

Quick mode: play one short timer round, record the result, then decide rematch or switch.
Team mode: split into two teams and rotate turns so mixed skill stays playable.

Moment fit

Use it in these hubs

Clean Call Window also fits these setup-first pages when the group starts from the situation instead of the board.

Group share

Send the setup

We're playing Clean Call Window from Studboards. Make mahjong call timing fair. Fits: Players: 3-4 | Time: 20-60 min | Gear: Mahjong tiles, table, racks if used, and score sheet Safety: Use age- and space-appropriate pieces or props, keep walkways clear, and allow a pass on any unsuitable challenge. View Idea: https://www.studboards.com/boards/mahjong/mahjong-clean-call-window.html

Clean Call Window

Quick start.