This page explains how Xiaocong(Peter) Guo (USATT# 16855)'s rating went from 1788 to 1781 at the Stiga Pacific Rim Open held on - 5 Nov 2000. 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.