This page explains how Steven Mei (USATT# 83879)'s rating went from 408 to 507 at the 2011 Cary Cup Championship held on - 20 Mar 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.