This page explains how Stanley Kahan (USATT# 8442)'s rating went from 1049 to 1003 at the Meiklejohn National Seniors held on - 6 Jun 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.