This page explains how Don Husmann (USATT# 20881)'s rating went from 781 to 990 at the Framingham TTC October 2003 Op held on - 5 Oct 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.