This page explains how Eric Duquette (USATT# 13251)'s rating went from 1553 to 1516 at the 2000 Royan Ozark Winter Classi held on - 22 Jan 2000. 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.