This page explains how Jack (John) E. Beggin (USATT# 23691)'s rating went from n/a to 1080 at the Ohio Buckeye League event from 21 Sep 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.