This page explains how Claude Boulard (USATT# 197)'s rating went from 1893 to 1860 at the New England Spring Classic held on - 22 Mar 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.