This page explains how Jim Hayford (USATT# 6526)'s rating went from 1817 to 1838 at the Vermont Peak Fall Foliage Open held on - 14 Oct 2000. 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.