This page explains how Jules Apatini (USATT# 34223)'s rating went from n/a to 738 at the New York State Open JR Champio held on - 18 Oct 2008. 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.