This page explains how Robert Payne (USATT# 58258)'s rating went from 1781 to 1730 at the Waco Open Summer RR held on - 2 Aug 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.