This page explains how Steven Neumann (USATT# 29826)'s rating went from 1316 to 1321 at the Pottsgrove TTC event from 7 Oct 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.