This page explains how C. Scott Williams (USATT# 49946)'s rating went from 1431 to 1490 at the Arizona Open TTT held on - 18 Feb 1996. 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.