This page explains how Arefeh Sherafati (USATT# 95547)'s rating went from 1917 to 1907 at the LYTTC Friday Pro League event from 6 Oct 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.