This page explains how Riaan Lodha (USATT# 276070)'s rating went from 829 to 813 at the Matchpoint TTC Friday League event from 9 Jun 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.