This page explains how Xingang Huang (USATT# 84304)'s rating went from 1851 to 1938 at the ICC CA State Open held on - 4 Dec 2011. 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.