This page explains how Lee Rodriguez (USATT# 43383)'s rating went from 1648 to 1629 at the Colorado Spring Invitational held on - 29 Mar 1997. 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.