This page explains how Dewei Sun (USATT# 82242)'s rating went from 1581 to 1608 at the ICC CA State Open held on - 5 Dec 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.