This page explains how Sienna Calderaro (USATT# 1177324)'s rating went from 1464 to 1456 at the 2023 US Open Table Tennis Championships held on 16 Dec 2023 - 21 Dec 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.