This page explains how Shiheng Qiu (USATT# 215243)'s rating went from 1642 to 1656 at the Texas Wesleyan University Open 9/29/2018 held on 29 Sep 2018 - 29 Sep 2018. 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.