This page explains how Tom H. Li (USATT# 37938)'s rating went from 1560 to 1560 at the PTTC Saturday League event from 14 Sep 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.