This page explains how Xiang Guan (USATT# 926351)'s rating went from 1443 to 1477 at the Swan Sunday League event from 3 Dec 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.