William D Pollan
USATT#: 9143
1240 1155
Arkansas Open
- 4 Oct 2003
- 4 Oct 2003
This page explains how William D Pollan (USATT# 9143)'s rating went from 1240 to 1155 at the Arkansas Open held on - 4 Oct 2003. 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.