Sean Patrick O'Neill
USATT#: 8840
| Coach Level: National | Certified Umpire
2562 2551
US Nationals
- 21 Dec 1997
- 21 Dec 1997
This page explains how Sean Patrick O'Neill (USATT# 8840)'s rating went from 2562 to 2551 at the US Nationals held on - 21 Dec 1997. 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.