Christopher B. Lehman
USATT#: 7680
| Coach Level: Regional | International Referee | International Umpire
1888 1880
Topspin Advanced League
4 Mar 2015
4 Mar 2015
This page explains how Christopher B. Lehman (USATT# 7680)'s rating went from 1888 to 1880 at the Topspin Advanced League event from 4 Mar 2015. 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.