This page explains how Thomas Ha (USATT# 82297)'s rating went from 1647 to 1642 at the Zaman TTC Open held on - 31 Aug 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.