This page explains how Paul A Shelor (USATT# 24924)'s rating went from 1277 to 1267 at the St Louis Team RR TT Open held on - 27 Apr 2002. 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.