This page explains how George Yang (USATT# 74240)'s rating went from 1681 to 1665 at the 2010 Rose City Open held on - 13 Jun 2010. 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.