This page explains how Angela Dongting Ma (USATT# 1170430)'s rating went from 1400 to 1363 at the LATTA Butterfly March Open held on 23 Mar 2024 - 23 Mar 2024. 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.