This page explains how Xiaofeng Guo (USATT# 34134)'s rating went from 1479 to 1518 at the 2006 Spin Classic Open held on - 14 Oct 2006. 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.