This page explains how Kevin Kuznetzow (USATT# 24577)'s rating went from 878 to 850 at the New Jersey TTC Youth League event from 1 Dec 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.