Jian Zhuang
USATT#: 55345
| Coach Level: Club
2025 2024
2009 US Nationals
- 19 Dec 2009
- 19 Dec 2009
This page explains how Jian Zhuang (USATT# 55345)'s rating went from 2025 to 2024 at the 2009 US Nationals held on - 19 Dec 2009. 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.