This page explains how Michael Paul Goldenberg (USATT# 29101)'s rating went from 1281 to 1228 at the 40th St. Joseph Valley Open held on - 16 May 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.