This page explains how Joe Pecoraro (USATT# 927064)'s rating went from 1239 to 1231 at the BTTC League event from 18 Jul 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.