This page explains how Leo Yih (USATT# 262861)'s rating went from 1022 to 1015 at the LYTTC Friday Pro League event from 30 Dec 2022. 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.