This page explains how Andi Porzio (USATT# 202574)'s rating went from 446 to 479 at the Westchester 2016 March Open held on 19 Mar 2016 - 20 Mar 2016. 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.