This page explains how Joseph C. Mayer (USATT# 8148)'s rating went from 1490 to 1471 at the Milwaukee Stiga Open held on - 24 May 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.