This page explains how Alireza Hejazi (USATT# 63010)'s rating went from 2113 to 2067 at the Orange County TTA Open held on 1 Oct 2016 - 2 Oct 2016. 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.