This page explains how Jeff Guttenberg (USATT# 270489)'s rating went from 1152 to 1126 at the Spttc Saturday Night League event from 11 Sep 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.