This page explains how Justin Guo (USATT# 1171343)'s rating went from n/a to 795 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.