This page explains how Sameh Awadallah (USATT# 88308)'s rating went from 2558 to 2563 at the 2013 Newgy and Wang Vision Institute Open held on - 15 Jun 2013. 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.