Rating Explainer

Changbo Lu

USATT#: 202365

2244 2230

2021 Butterfly/Sonesta Select Invitational Tournament
7 Oct 2021 - 10 Oct 2021

This page explains how Changbo Lu (USATT# 202365)'s rating went from 2244 to 2230 at the 2021 Butterfly/Sonesta Select Invitational Tournament held on 7 Oct 2021 - 10 Oct 2021. The links below take you to pages that describe various aspects of the rating processor.

Introduction

Initial Rating

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.

Pass 1

Pass 2

Pass 3

Pass 4