This page explains how Marlon Mccartney (USATT# 42639)'s rating went from 1976 to 1992 at the Morton Grove Winter Open 1 Star held on - 5 Jan 2013. 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.