Kelvin Koh
USATT#: 90486
1947 1920
Westchester January 2019 Open
26 Jan 2019 - 27 Jan 2019
26 Jan 2019 - 27 Jan 2019
This page explains how Kelvin Koh (USATT# 90486)'s rating went from 1947 to 1920 at the Westchester January 2019 Open held on 26 Jan 2019 - 27 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.