This page explains how Deborah Russell-Brown (USATT# 277298)'s rating went from 1275 to 1274 at the NJTTC Tuesday V League event from 19 Dec 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.