This page explains how Darius Fahimi (USATT# 202343)'s rating went from 2012 to 1975 at the Spin & Smash Hopes Tournament & Winter Open held on 26 Jan 2019 - 27 Jan 2019. 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.