This page explains how Arseni Mouchinski (USATT# 1150994)'s rating went from 2019 to 2003 at the LYTTC Friday Pro League event from 1 Apr 2022. 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.