This page explains how Kas Sivaguru (USATT# 230109)'s rating went from 1889 to 1893 at the Hot Shot League event from 13 Nov 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.