This page explains how Yueran Ren (USATT# 271424)'s rating went from 1361 to 1321 at the 888 League event from 15 Oct 2023. 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.