Martin P. P. Del Vecchio
USATT#: 18168
| Certified Umpire
1917 1955
Virginia State Open
- 29 Jun 2008
- 29 Jun 2008
This page explains how Martin P. P. Del Vecchio (USATT# 18168)'s rating went from 1917 to 1955 at the Virginia State Open held on - 29 Jun 2008. 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.