This page explains how Shaman Jain (USATT# 91966)'s rating went from 1940 to 1930 at the LYTTC Friday Pro League event from 6 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.