This page explains how Joseph Forro (USATT# 38011)'s rating went from 1513 to 1448 at the Sportsfest XI held on - 22 Jul 2007. 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.