This page explains how Scott Potereiko (USATT# 211974)'s rating went from 1370 to 1333 at the 2017 Hawkeye Open held on 19 Aug 2017 - 20 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.