This page explains how Gary D. Harbeck (USATT# 6425)'s rating went from 1979 to 2013 at the 1st Annual Cntrl FL Spring TT held on - 10 May 2003. 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.