This page explains how Evan J. Chiu (USATT# 270251)'s rating went from n/a to 522 at the 2021 US National TT Championships New York State Qualifier held on 17 Apr 2021 - 18 Apr 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.