This page explains how Xiaoyi Hu (USATT# 272606)'s rating went from 1920 to 1954 at the 888 League event from 5 Feb 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.