Thelma Tybie Sommer
USATT#: 10155
1222 1199
2002 US National Championships
- 22 Dec 2002
- 22 Dec 2002
This page explains how Thelma Tybie Sommer (USATT# 10155)'s rating went from 1222 to 1199 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.