This page explains how Isabella W. Zai (USATT# 1157628)'s rating went from 1223 to 1223 at the The 2020 USATT Hopes Program / Road to LA - MA held on 6 Mar 2020 - 8 Mar 2020. 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.