John Kerpan
USATT#: 95154
| Certified Umpire
0 1539
Newton TTC June 2023 Open
4 Jun 2023 - 4 Jun 2023
4 Jun 2023 - 4 Jun 2023
This page explains how John Kerpan (USATT# 95154)'s rating went from n/a to 1539 at the Newton TTC June 2023 Open held on 4 Jun 2023 - 4 Jun 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.