This page explains how Tony Tzeng (USATT# 96867)'s rating went from n/a to 1646 at the Spttc Saturday Night League event from 3 Sep 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.