This page explains how Parviz Mojaverian (USATT# 8429)'s rating went from 2247 to 2237 at the Pottsgrove TTC event from 4 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.