This page explains how Arthur Ryan (USATT# 95146)'s rating went from 1273 to 1274 at the Westchester 2018 held on 27 Jan 2018 - 28 Jan 2018. 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.