William H. Durbin
USATT#: 17486
1033 1027
BCC Butterfly Jan Open
- 9 Jan 1999
- 9 Jan 1999
This page explains how William H. Durbin (USATT# 17486)'s rating went from 1033 to 1027 at the BCC Butterfly Jan Open held on - 9 Jan 1999. 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.