Alton Zhao
USATT#: 273085
1277 1269
ICC - Advanced League
25 Feb 2023
25 Feb 2023
This page explains how Alton Zhao (USATT# 273085)'s rating went from 1277 to 1269 at the ICC - Advanced League event from 25 Feb 2023. 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.