This page explains how Keith Pech (USATT# 32336)'s rating went from 1637 to 1630 at the Killerspin Presents the Arnold held on - 5 Mar 2006. 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.