This page explains how Chris Williams (USATT# 11126)'s rating went from 1554 to 1522 at the Columbus Macy Block Fall Open held on - 24 Oct 1999. 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.