Long Zheng
USATT#: 83634
1988 1983
Westchester 2017 May Open
27 May 2017 - 28 May 2017
27 May 2017 - 28 May 2017
This page explains how Long Zheng (USATT# 83634)'s rating went from 1988 to 1983 at the Westchester 2017 May Open held on 27 May 2017 - 28 May 2017. 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.