This page explains how Ebrahim Aly (USATT# 14471)'s rating went from 1715 to 1673 at the Central FL Spring Open 2005 held on - 14 May 2005. 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.