MPR Mahjong™THE SKILL RATING FOR AMERICAN MAHJONG

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Rating trust guide

How your rating is earned

Two pools, the same math, and a real person before anything counts.

The two pools

MPR is built from home games you log yourself. It moves the same way and uses the same math as verified play — the difference is who vouched for the result.

Verified MPR ✓ is earned at official MPR rated events. A host submits the results and MPR applies them. It is the number a club will recognize.

Why home games are trusted

When you log a home game, everyone at the table receives a request to confirm it. They have three days to approve or dispute.

  1. If anyone disputes, the home game pauses and you get one chance to correct it
  2. If nobody was reachable, it is not cleared on silence — we ask again
  3. Nothing counts toward a rating until a real person reviews it

Calibration

Your first four results in each pool are a calibration period. Your rating moves more freely so it finds your true level quickly, then settles into its normal pace.

Strength of competition

The system compares your win rate against the average rating of the people you played. A strong session against strong players is worth more than the same session against beginners.

What we do not do

We do not publish exact ratings to non-members — that holds on club leaderboards too, where visitors see rounded numbers. And a self-assessment is never the last word: the starting number from signup stands only until real, confirmed results replace it.