This page explains how Aziz Zarehbin (USATT# 91906)'s rating went from 1998 to 1953 at the 2016 US Nationals Warm-Up held on 24 Jun 2016 - 26 Jun 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.