This page explains how Billy Carlisle (USATT# 46875)'s rating went from 1854 to 1805 at the NTTC August 26th, 2023 league event from 26 Aug 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.