This page explains how David A. Jones (USATT# 42342)'s rating went from 1631 to 1618 at the 8th FIT Open TT Championships held on - 30 Mar 2008. 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.