This page explains how Richard Qu (USATT# 276133)'s rating went from 1178 to 1174 at the NJTTC Monday League event from 21 May 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.