This page explains how William Wolf (USATT# 64418)'s rating went from 1029 to 1020 at the Heart of Florida TT Open Fall held on - 26 Sep 2009. 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.