This page explains how Abhishri Narayan (USATT# 273081)'s rating went from 210 to 209 at the PTTC Saturday League event from 9 Apr 2022. 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.