This page explains how L.A. Johnston (USATT# 10960)'s rating went from 1924 to 1920 at the 2012 Nashville Body Conscious Newgy Nashville Open held on - 10 Mar 2012. 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.