This page explains how Charlie Wu (USATT# 221106)'s rating went from 1886 to 1853 at the SpinBlock Fall Open 2019 held on 19 Oct 2019 - 19 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.