This page explains how Jun(Steven) Feng (USATT# 218762)'s rating went from 1964 to 1971 at the PTTC Team League event from 18 Oct 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.