This page explains how Steven Hamilton (USATT# 88668)'s rating went from 1895 to 1923 at the LATTA Butterfly January Open 2023 held on 28 Jan 2023 - 28 Jan 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.