This page explains how Sean Zhao (USATT# 276218)'s rating went from 1259 to 1243 at the GLTTC FRIDAY 730pm League event from 16 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.