This page explains how David Lian (USATT# 92036)'s rating went from 1579 to 1583 at the 2023 USATT Indiana State Championships held on 13 May 2023 - 14 May 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.