19 Oct 2019 - 19 Oct 2019
This page explains how Erxi Wu (USATT# 97848)'s rating went from 1739 to 1690 at the 2019 Austin Fall Classic Round Robin held on 19 Oct 2019 - 19 Oct 2019. The links below take you to pages that describe various aspects of the ratings processor.
The ratings 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.