This page explains how Xing Xiong (USATT# 30401)'s rating went from 2024 to 2047 at the Schaumburg Fall Open held on - 22 Sep 2012. 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.