This page explains how Stanley Chow (USATT# 86419)'s rating went from 1230 to 1222 at the 2024 USATT Northeast Regional Championships held on 15 Jun 2024 - 16 Jun 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.