This page explains how Simon Hsu (USATT# 92960)'s rating went from 1019 to 1015 at the Lindenwood Fall Open held on - 19 Apr 2015. 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.