This page explains how Anna S. Hess (USATT# 6629)'s rating went from 917 to 868 at the Joe Henneke Space Coast Open held on - 25 Oct 1998. 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.