This page explains how Craig Krum (USATT# 5470)'s rating went from 1694 to 1674 at the Butterfly/Power Pong Open held on - 23 Nov 2003. 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.