This page explains how Wen Huang (USATT# 70317)'s rating went from 1922 to 1909 at the Milpitas Sports Center event from 26 May 2007. 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.