This page explains how Peiyu Liao (USATT# 272068)'s rating went from 309 to 314 at the 888 League event from 7 Aug 2022. 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.