Sean Patrick O'Neill
USATT#: 8840
| Coach Level: National | Certified Umpire
2499 2399
Potomac Open
- 17 Nov 2002
- 17 Nov 2002
This page explains how Sean Patrick O'Neill (USATT# 8840)'s rating went from 2499 to 2399 at the Potomac Open held on - 17 Nov 2002. 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.