This page explains how Raghav Shah (USATT# 271275)'s rating went from 1021 to 1020 at the ICC - Advanced League event from 17 Sep 2022. 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.