This page explains how Lyonnel W. Eugene (USATT# 3422)'s rating went from 1650 to 1608 at the NJTTC Monday League event from 23 Dec 2013. 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.