This page explains how David Evans (USATT# 83272)'s rating went from 1237 to 1207 at the AZ PTTC Monday event from 13 Jan 2014. 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.