This page explains how Shaoqing Luo (USATT# 275206)'s rating went from 50 to 77 at the Swan Sunday League event from 19 Feb 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.