This page explains how Kui Zhang (USATT# 32162)'s rating went from 1927 to 1923 at the 2014 Newgy and Wang Vision Institute Open held on - 11 Oct 2014. 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.