This page explains how Vivaan Chandra (USATT# 1170374)'s rating went from 567 to 559 at the 888 League event from 13 Mar 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.