This page explains how Ashwit Mathur (USATT# 265529)'s rating went from 378 to 391 at the ICC - Sunday Beginners League event from 28 Nov 2021. 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.