Don James Alto
USATT#: 22496
1459 1559
North American Championships
- 6 Apr 2003
- 6 Apr 2003
This page explains how Don James Alto (USATT# 22496)'s rating went from 1459 to 1559 at the North American Championships held on - 6 Apr 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.