This page explains how Kevin Kuznetzow (USATT# 24577)'s rating went from 870 to 842 at the New Jersey TTC Youth League event from 8 May 2004. 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.