This page explains how D.j. Settle (USATT# 14685)'s rating went from 1998 to 1999 at the Piedmont TT Open held on - 4 Sep 2004. 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.