This page explains how Lee Rodriguez (USATT# 43383)'s rating went from 1657 to 1609 at the Olive Garden New Year's Open held on - 1 Feb 1998. 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.