This page explains how Xiaofeng Guo (USATT# 34134)'s rating went from 1769 to 1794 at the Foothills VI Silver Dollar Ups held on - 8 Nov 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.