Donald C. Hayden
USATT#: 51994
1412 1410
34th St. Jospeh Valley Open/Al
- 10 May 1998
- 10 May 1998
This page explains how Donald C. Hayden (USATT# 51994)'s rating went from 1412 to 1410 at the 34th St. Jospeh Valley Open/Al held on - 10 May 1998. 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.