This page explains how Richard A. Dewitt (USATT# 47261)'s rating went from 2124 to 2123 at the NJTTC January Open held on - 19 Jan 2002. 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.