This page explains how Joe Pelican (USATT# 214906)'s rating went from 1471 to 1507 at the 2018 Spooky Open held on 27 Oct 2018 - 28 Oct 2018. 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.