This page explains how Aahan Vangala (USATT# 273517)'s rating went from 879 to 873 at the Spttc Saturday Night League event from 4 Feb 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.