Rating Explainer

Lanfei Chen

USATT#: 197032

1847 1750

Westchester 2021 July Open
24 Jul 2021 - 25 Jul 2021

This page explains how Lanfei Chen (USATT# 197032)'s rating went from 1847 to 1750 at the Westchester 2021 July Open held on 24 Jul 2021 - 25 Jul 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