This page explains how John Lelivelt (USATT# 270436)'s rating went from 931 to 926 at the Spttc Saturday Night League event from 22 May 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.