This page explains how Peter Boerger (USATT# 43163)'s rating went from 972 to 965 at the SpinBlock Monday Night League event from 26 Apr 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.