This page explains how Jack (John) E. Beggin (USATT# 23691)'s rating went from 1355 to 1302 at the The Arnold TT Championships held on - 4 Mar 2007. 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.