This page explains how Richard M. Johns (USATT# 57661)'s rating went from 1898 to 1852 at the 1997 Florida Sunshine State Ga held on - 18 May 1997. 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.