Christopher B. Lehman
USATT#: 7680
| Coach Level: Regional | International Referee | International Umpire
2017 1986
NJTTC Monday League
30 Oct 2017
30 Oct 2017
This page explains how Christopher B. Lehman (USATT# 7680)'s rating went from 2017 to 1986 at the NJTTC Monday League event from 30 Oct 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.