This page explains how Zhangyuan Ni (USATT# 34588)'s rating went from 1695 to 1685 at the California State Open held on - 29 Jun 2008. 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.