Sean Patrick O'Neill
USATT#: 8840
| Coach Level: National | Certified Umpire
2550 2550
NTTC September Open
- 1 Oct 1995
- 1 Oct 1995
This page explains how Sean Patrick O'Neill (USATT# 8840)'s rating went from 2550 to 2550 at the NTTC September Open held on - 1 Oct 1995. 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.