This page explains how Kamran Azimzadeh (USATT# 3611)'s rating went from 1840 to 1819 at the California State Open held on - 21 Jun 1998. 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.