This page explains how Melvin Yao (USATT# 1170998)'s rating went from 1481 to 1493 at the LYTTC Friday Pro League event from 6 Jan 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.