Sean Patrick O'Neill
USATT#: 8840
| Coach Level: National | Certified Umpire
2618 2619
NTTC September Open
- 4 Sep 1994
- 4 Sep 1994
This page explains how Sean Patrick O'Neill (USATT# 8840)'s rating went from 2618 to 2619 at the NTTC September Open held on - 4 Sep 1994. 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.