This page explains how Victor Xie (USATT# 8595)'s rating went from 1772 to 1758 at the Rockford Christmas Open held on - 14 Dec 2008. 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.