Long Zheng
USATT#: 83634
2142 2137
Boston TTC
31 Dec 2019
31 Dec 2019
This page explains how Long Zheng (USATT# 83634)'s rating went from 2142 to 2137 at the Boston TTC event from 31 Dec 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.