Ryan Zhou
USATT#: 273740
238 221
PTTC Saturday League
30 Apr 2022
30 Apr 2022
This page explains how Ryan Zhou (USATT# 273740)'s rating went from 238 to 221 at the PTTC Saturday League event from 30 Apr 2022. 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.