This page explains how Richard A. Dewitt (USATT# 47261)'s rating went from 2215 to 2228 at the LYTTC TTcup event from 15 Feb 2023. 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.