David J. Marcus
USATT#: 31308
| Coach Level: Club | Certified Referee | National Umpire
1839 1819
U.S. Open
- 6 Jul 1997
- 6 Jul 1997
This page explains how David J. Marcus (USATT# 31308)'s rating went from 1839 to 1819 at the U.S. Open held on - 6 Jul 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.