This page explains how Peter Boerger (USATT# 43163)'s rating went from 972 to 956 at the SpinBlock Monday Night League event from 16 Nov 2020. 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.