This page explains how Rachel Jiayu Sung (USATT# 82232)'s rating went from 2389 to 2392 at the Swan Sunday League event from 11 Aug 2019. 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.