This page explains how John F. Sherman (USATT# 63030)'s rating went from 1090 to 1083 at the Columbus Feb Club Tournament held on - 4 Feb 1995. 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.