This page explains how Ken Kwong (USATT# 60685)'s rating went from 1469 to 1547 at the Spttc Saturday Night League event from 7 Aug 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.