Christopher B. Lehman
USATT#: 7680
| Coach Level: Regional | International Referee | International Umpire
1978 1990
LYTTC Friday Pro League
6 Jan 2017
6 Jan 2017
This page explains how Christopher B. Lehman (USATT# 7680)'s rating went from 1978 to 1990 at the LYTTC Friday Pro League event from 6 Jan 2017. 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.