This page explains how Robert K. Leatherwood (USATT# 7612)'s rating went from 1672 to 1686 at the CO Civil War (A) held on - 10 Mar 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.