This page explains how Aleksandr Itunin (USATT# 77651)'s rating went from 1868 to 1825 at the Butterfly S&S October Open held on 21 Oct 2023 - 22 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.