This page explains how Roddy B. Lee (USATT# 47600)'s rating went from 1772 to 1746 at the Piedmont TTC RR Open held on - 7 Jun 2003. 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.