This page explains how Hongyan Lu (USATT# 95883)'s rating went from 1777 to 1777 at the SpinBlock Monday Night League event from 25 Oct 2021. 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.