David L. MacGregor
USATT#: 55325
1262 1261
US Open
- 4 Jul 2012
- 4 Jul 2012
This page explains how David L. MacGregor (USATT# 55325)'s rating went from 1262 to 1261 at the US Open held on - 4 Jul 2012. 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.