Kevin Zhou
USATT#: 82151
| Certified Umpire
1972 1968
2017 Butterfly WDCTT Spet Open & DC Closed
23 Sep 2017 - 24 Sep 2017
23 Sep 2017 - 24 Sep 2017
This page explains how Kevin Zhou (USATT# 82151)'s rating went from 1972 to 1968 at the 2017 Butterfly WDCTT Spet Open & DC Closed held on 23 Sep 2017 - 24 Sep 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.