This page explains how Albert David DeVine (USATT# 26083)'s rating went from 720 to 619 at the Upper Valley May Giant RR Open held on - 17 May 2003. 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.