This page explains how David Evans (USATT# 83272)'s rating went from 1240 to 1237 at the AZ PTTC Monday event from 24 Feb 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.