This page explains how David Rosenzweig (USATT# 55035)'s rating went from 2254 to 2269 at the NJ State Championship held on - 28 Apr 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.