Davy Cheng
USATT#: 79347
| Certified Umpire
1993 1969
2023 SPTTC September Open
9 Sep 2023 - 10 Sep 2023
9 Sep 2023 - 10 Sep 2023
This page explains how Davy Cheng (USATT# 79347)'s rating went from 1993 to 1969 at the 2023 SPTTC September Open held on 9 Sep 2023 - 10 Sep 2023. 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.