This page explains how Daniel Guttman (USATT# 20650)'s rating went from 582 to 841 at the NJTTC September RR held on - 18 Sep 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.