This page explains how Liam Draper (USATT# 1170916)'s rating went from 861 to 876 at the Westchester 2021 June Open held on 26 Jun 2021 - 27 Jun 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.