This page explains how Larry Rose (USATT# 41466)'s rating went from 1573 to 1555 at the 1999 Spring CO Civil War Close held on - 1 May 1999. 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.