This page explains how Reza Ahrabli (USATT# 3570)'s rating went from 1652 to 1638 at the Arkansas Open held on - 3 Mar 1996. 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.