Rating Explainer

Allen Xiao

USATT#: 270881

170 156

ICC - Sunday Beginners League
31 Oct 2021

This page explains how Allen Xiao (USATT# 270881)'s rating went from 170 to 156 at the ICC - Sunday Beginners League event from 31 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