This page explains how Frank Yu (USATT# 218363)'s rating went from 1370 to 1359 at the Spttc Saturday Night League event from 17 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.