This page explains how Yuwen Gu (USATT# 97779)'s rating went from 1889 to 1809 at the 2017 Fremont July Open held on 14 Jul 2017 - 16 Jul 2017. 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.