This page explains how Wenfang Lei (USATT# 198069)'s rating went from 1917 to 1915 at the ASLT League event from 28 Jul 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.