This page explains how Lang Deng (USATT# 74203)'s rating went from 2070 to 2047 at the SVTTC Sunday U2000 event from 15 Apr 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.