This page explains how Nathan Shtilerman (USATT# 250154)'s rating went from 1220 to 1331 at the Gold Coast TTC March 2023 Open held on 12 Mar 2023 - 12 Mar 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.