Jerry Zhang
USATT#: 223480
1953 1913
2021 HITTA Butterfly Halloween Open
29 Oct 2021 - 31 Oct 2021
29 Oct 2021 - 31 Oct 2021
This page explains how Jerry Zhang (USATT# 223480)'s rating went from 1953 to 1913 at the 2021 HITTA Butterfly Halloween Open held on 29 Oct 2021 - 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.