This page explains how Ark Sean Ouyang (USATT# 97418)'s rating went from 1851 to 1835 at the LYTTC Friday Pro League event from 3 Nov 2017. 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.