Long Zheng
USATT#: 83634
2004 2181
Boston TTC
1 Jan 2019
1 Jan 2019
This page explains how Long Zheng (USATT# 83634)'s rating went from 2004 to 2181 at the Boston TTC event from 1 Jan 2019. 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.