Rating Explainer

Don James Alto

USATT#: 22496

1459 1559

North American Championships
- 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 ratings processor.


Initial Rating

The ratings 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.

Pass 1

Pass 2

Pass 3

Pass 4