This page explains how George Yang (USATT# 74240)'s rating went from 1923 to 1911 at the 2012 Green Lake Open held on - 25 Mar 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.