This page explains how Herb Kramer (USATT# 75321)'s rating went from n/a to 857 at the The 8th Annual Willoughby Hill held on - 7 Oct 2007. 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.