This page explains how Charles M. Cavicchio (USATT# 43640)'s rating went from 1631 to 1627 at the Framingham TTC February Open held on - 27 Feb 2005. 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.