This page explains how Yukong Zhang (USATT# 71722)'s rating went from 1804 to 1783 at the Texas Wesleyan Open (31) held on - 2 Aug 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.