This page explains how Sivaraam Aru Velayutham (USATT# 223759)'s rating went from 679 to 673 at the Fremont Table Tennis Academy League event from 20 Sep 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.