This page explains how Chuo-Han Lee (USATT# 214617)'s rating went from 1159 to 1137 at the Swan Sunday League event from 26 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.