This page explains how Siavash Alipour (USATT# 1174134)'s rating went from 1564 to 1546 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.