This page explains how David Abrams (USATT# 215007)'s rating went from 1400 to 1417 at the Gold Coast TTC January 2023 Open held on 15 Jan 2023 - 15 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.