This page explains how Shishir Krishnappa Mahesh (USATT# 276502)'s rating went from 257 to 220 at the ICC - Sunday Beginners League event from 19 Nov 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.