25 Oct 2021
This page explains how Ahsan Nasir (USATT# 87600)'s rating went from 1697 to 1668 at the SpinBlock Monday Night League event from 25 Oct 2021. The links below take you to pages that describe various aspects of the ratings processor.
The ratings 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.