This page explains how Tim Brannick (USATT# 217576)'s rating went from 1417 to 1389 at the AZ PTTC Monday event from 16 Sep 2019. 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.