This page explains how Alex Kotlyarskiy (USATT# 23927)'s rating went from 1743 to 1742 at the NJTTC October Open held on - 5 Oct 2003. 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.