This page explains how Clifford A. Leighty (USATT# 7690)'s rating went from 1150 to 1158 at the Northern KY Spring 2004 RR Ope held on - 6 Mar 2004. 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.