This page explains how Sin Fong Chiu (USATT# 97620)'s rating went from 1123 to 1122 at the PINGPOD LEAGUE NIGHT event from 21 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.