This page explains how Chee Heng Sng (USATT# 280429)'s rating went from 1177 to 1093 at the HITTA Weekly League event from 10 Nov 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.