This page explains how Alex Kotlyarskiy (USATT# 23927)'s rating went from 1863 to 1848 at the NJTTC April Open held on - 4 Apr 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.