This page explains how Danny Johnson (USATT# 275490)'s rating went from 1220 to 1306 at the Butterfly Spin & Smash March Open held on 22 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.