Roy Zhou
USATT#: 198129
683 681
WCTTA Saturday League
20 Jan 2018
20 Jan 2018
This page explains how Roy Zhou (USATT# 198129)'s rating went from 683 to 681 at the WCTTA Saturday League event from 20 Jan 2018. 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.