This page explains how Yueran Ren (USATT# 271424)'s rating went from 1255 to 1280 at the ICC - Advanced League event from 20 May 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.