This page explains how Daniel Guttman (USATT# 20650)'s rating went from 1606 to 1585 at the NJTTC Monday League event from 19 Jun 2017. 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.