This page explains how He Jiang (USATT# 270314)'s rating went from 1341 to 1336 at the Spttc Saturday Night League event from 1 May 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.