This page explains how Liam Cannon (USATT# 220307)'s rating went from 1786 to 1815 at the Westford TTC January 2023 Open held on 8 Jan 2023 - 8 Jan 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.