David Guan
USATT#: 217271
1131 1127
2018 Butterfly WDCTT September Open
22 Sep 2018 - 22 Sep 2018
22 Sep 2018 - 22 Sep 2018
This page explains how David Guan (USATT# 217271)'s rating went from 1131 to 1127 at the 2018 Butterfly WDCTT September Open held on 22 Sep 2018 - 22 Sep 2018. 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.