This page explains how Robert K. Leatherwood (USATT# 7612)'s rating went from 1642 to 1659 at the 2005 CO Civil War League (B) held on - 15 May 2005. 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.