This page explains how Bobby J. Petty (USATT# 9057)'s rating went from 1719 to 1720 at the 2014 Indiana Open Giant RR and Two Man Teams held on - 3 Aug 2014. 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.