Mark Shapiro
USATT#: 61560
| Coach Level: Club
1860 1842
2002 US National Championships
- 22 Dec 2002
- 22 Dec 2002
This page explains how Mark Shapiro (USATT# 61560)'s rating went from 1860 to 1842 at the 2002 US National Championships held on - 22 Dec 2002. 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.