This page explains how Robert He (USATT# 84087)'s rating went from 1721 to 1713 at the SVTTC Sunday U2000 event from 19 Jan 2014. 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.