This page explains how Ark Sean Ouyang (USATT# 97418)'s rating went from 1627 to 1629 at the James Ke Cup (LYTTC October Open) held on 1 Oct 2016 - 2 Oct 2016. 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.