This page explains how Jiadong Xu (USATT# 281738)'s rating went from 1945 to 1948 at the Hot Shot League event from 1 Mar 2020. 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.