This page explains how Katherine Dong (USATT# 214719)'s rating went from 1347 to 1561 at the LYTTC Friday Pro League event from 25 Aug 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.