This page explains how Donghong Li (USATT# 272987)'s rating went from 1248 to 1276 at the 888 League event from 22 May 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.