This page explains how Nabil Shehadeh (USATT# 65534)'s rating went from 1773 to 1759 at the Labor Day Open held on - 10 Sep 2011. 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.