This page explains how Bobby J. Petty (USATT# 9057)'s rating went from 1757 to 1757 at the Lilly Table Tennis Club event from 1 Aug 2004. 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.