This page explains how Haitham Salman (USATT# 26948)'s rating went from 2063 to 2062 at the DAC May Open held on - 22 May 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.