This page explains how Sivaraam Aru Velayutham (USATT# 223759)'s rating went from 1989 to 1939 at the 888 League event from 17 Mar 2024. 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.