This page explains how Bobby D. Jones (USATT# 18868)'s rating went from 1906 to 1809 at the Sports Fitness Player Series held on - 5 Jun 1999. 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.