This page explains how Tim Brannick (USATT# 217576)'s rating went from 1285 to 1278 at the AZ PTTC Monday event from 29 Mar 2021. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.