This page explains how Tian Xia (USATT# 281563)'s rating went from 1252 to 1301 at the 888 League event from 11 Feb 2024. 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.