This page explains how Kai Lee (USATT# 87950)'s rating went from 1519 to 1505 at the GLTTC FRIDAY 730pm League event from 30 Jun 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.