This page explains how Joyce Hartmann (USATT# 3177)'s rating went from 760 to 774 at the 1997 Wichita River Festival TT held on - 10 May 1997. 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.