This page explains how Paul B. Pell (USATT# 33189)'s rating went from 1816 to 1813 at the St. Joseph Valley, No. America held on - 29 May 1995. 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.