Mary Ann Parker
USATT#: 50759
987 942
Portland TT Double RR
- 6 Dec 1997
- 6 Dec 1997
This page explains how Mary Ann Parker (USATT# 50759)'s rating went from 987 to 942 at the Portland TT Double RR held on - 6 Dec 1997. 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.