This page explains how Igor Shulkin (USATT# 18534)'s rating went from 2341 to 2334 at the LYTTC October Giant RR held on 17 Oct 2020 - 18 Oct 2020. 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.