This page explains how Clarence A. Kieffer (USATT# 30854)'s rating went from n/a to 351 at the NAC Summer Giant RR held on - 28 Aug 2004. 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.