John Potochnik
USATT#: 53831
| Coach Level: Club | Certified Referee | Regional Umpire
1686 1669
1998 McAelster Open
- 30 Aug 1998
- 30 Aug 1998
This page explains how John Potochnik (USATT# 53831)'s rating went from 1686 to 1669 at the 1998 McAelster Open held on - 30 Aug 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.