This page explains how Peter Boerger (USATT# 43163)'s rating went from 1052 to 1014 at the SpinBlock Monday Night League event from 4 Oct 2021. 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.