This page explains how Yanjun Gao (USATT# 32607)'s rating went from 2601 to 2609 at the 2011 Eastern Open on the JOOLA NA Tour held on - 29 May 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.