This page explains how Robert Cullen (USATT# 1163881)'s rating went from 1253 to 1250 at the Northshore TTC February 10, 2024 league event from 10 Feb 2024. 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.