This page explains how Thomas Koh (USATT# 93940)'s rating went from 1670 to 1680 at the LATTA Open August 2014 held on - 9 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.