This page explains how Peter Finley (USATT# 224095)'s rating went from 1609 to 1570 at the SpinBlock Monday Night League event from 24 Jan 2022. 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.