This page explains how Davy Cheng (USATT# 79347)'s rating went from 1145 to 1099 at the 2012 SPTTC November Open held on - 2 Dec 2012. The links below take you to pages that describe various aspects of the rating processor.

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.