Kelvin Koh
USATT#: 90486
1944 1940
Westchester September 2019 Open
28 Sep 2019 - 29 Sep 2019
28 Sep 2019 - 29 Sep 2019
This page explains how Kelvin Koh (USATT# 90486)'s rating went from 1944 to 1940 at the Westchester September 2019 Open held on 28 Sep 2019 - 29 Sep 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.