This page explains how Vishal Sivakumar (USATT# 1171292)'s rating went from 2055 to 1990 at the ICC - Advanced League event from 21 Jan 2023. 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.