This page explains how Stan Pease (USATT# 43556)'s rating went from 1823 to 1804 at the St. Louis Spring Open held on - 27 Apr 1996. 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.