This page explains how Stan Pease (USATT# 43556)'s rating went from 1873 to 1862 at the St. Louis Round Robin Spring O held on - 30 Apr 1994. 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.