This page explains how Wenfang Lei (USATT# 198069)'s rating went from 1952 to 1920 at the ASLT League event from 28 Apr 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.