Christopher B. Lehman
USATT#: 7680
| Coach Level: Regional | International Referee | International Umpire
2174 2159
Topspin Open League
27 Dec 2011
27 Dec 2011
This page explains how Christopher B. Lehman (USATT# 7680)'s rating went from 2174 to 2159 at the Topspin Open League event from 27 Dec 2011. 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.