This page explains how David Rosenzweig (USATT# 55035)'s rating went from 2149 to 2169 at the NJTTC Monday League event from 21 Mar 2005. 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.