Rating Explainer

Ella Zhou

USATT#: 270725

293 253

2021 Fremont Butterfly July Open
16 Jul 2021 - 18 Jul 2021

This page explains how Ella Zhou (USATT# 270725)'s rating went from 293 to 253 at the 2021 Fremont Butterfly July Open held on 16 Jul 2021 - 18 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