William D Pollan
USATT#: 9143
1309 1336
Arkansas Open
- 2 Apr 1995
- 2 Apr 1995
This page explains how William D Pollan (USATT# 9143)'s rating went from 1309 to 1336 at the Arkansas Open held on - 2 Apr 1995. 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.