This page explains how Jacob Boyd (USATT# 219086)'s rating went from 853 to 898 at the Spin & Smash $2100+ Fall Open held on 6 Oct 2017 - 8 Oct 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.