This page explains how Kaili Yu (USATT# 215293)'s rating went from 1943 to 1945 at the LATTA Butterfly Open May 2023 held on 20 May 2023 - 20 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.