This page explains how Nathan Nelson (USATT# 220693)'s rating went from 424 to 474 at the PPC Fall Open held on 12 Oct 2019 - 13 Oct 2019. 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.