This page explains how Alan Lin (USATT# 61647)'s rating went from 1780 to 1768 at the 2023 July Open @ Princeton Pong held on 1 Jul 2023 - 2 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.