This page explains how Al King (USATT# 53791)'s rating went from 1666 to 1659 at the Killerspin/Chicago Slam TT Ope held on - 26 Oct 2008. 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.