This page explains how Jay Turberville (USATT# 27535)'s rating went from 1901 to 1891 at the AZ PTTC Monday event from 25 Mar 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.