Michael Zhang
USATT#: 89100
| Certified Umpire
1172 1158
LYTTC Friday Pro League
31 May 2014
31 May 2014
This page explains how Michael Zhang (USATT# 89100)'s rating went from 1172 to 1158 at the LYTTC Friday Pro League event from 31 May 2014. 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.