This page explains how Xiang Jing Zhang (USATT# 89338)'s rating went from 2667 to 2677 at the 2013 Spokane Fall Open on JOOLA North America Tour held on - 13 Oct 2013. 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.