This page explains how Sameh Awadallah (USATT# 88308)'s rating went from 2500 to 2500 at the Roslyn-Long Island Sports Center (LISC) League event from 2 Jun 2017. 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.