This page explains how Aditya Oak (USATT# 94602)'s rating went from 1853 to 1890 at the HITTA Weekly League event from 8 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.