This page explains how Dorothy J. Hann (USATT# 5380)'s rating went from 885 to 842 at the Florida Sunshine State Games held on - 23 May 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.