Christopher B. Lehman
USATT#: 7680
| Coach Level: Regional | International Referee | International Umpire
1959 1954
Topspin Open League
22 May 2012
22 May 2012
This page explains how Christopher B. Lehman (USATT# 7680)'s rating went from 1959 to 1954 at the Topspin Open League event from 22 May 2012. 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.