This page explains how Stephen Finn (USATT# 270149)'s rating went from 1241 to 1247 at the Westchester Two-Person Teams Championship held on 4 Sep 2021 - 6 Sep 2021. 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.