19 Oct 2019 - 20 Oct 2019
This page explains how Ruslan Riabokoniev (USATT# 94469)'s rating went from 2141 to 2120 at the 2019 Salt Lake City Fall Open held on 19 Oct 2019 - 20 Oct 2019. 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.