This page explains how Jonathan Paretsky (USATT# 63684)'s rating went from 1640 to 1520 at the 1999 Millenium Madness Team TT held on - 4 Dec 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.