This page explains how Ariel Alexander (USATT# 1175417)'s rating went from n/a to 1253 at the 2022 WDCTT May Giant Round Robin held on 14 May 2022 - 15 May 2022. 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.