Christopher B. Lehman
USATT#: 7680
| Coach Level: Regional | International Referee | International Umpire
1979 1948
Topspin Open League
8 Nov 2011
8 Nov 2011
This page explains how Christopher B. Lehman (USATT# 7680)'s rating went from 1979 to 1948 at the Topspin Open League event from 8 Nov 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.