This page explains how Zaferjit Singh Dhillon (USATT# 230073)'s rating went from 1457 to 1451 at the SJISC Butterfly Feb Open Tournament held on 26 Feb 2022 - 26 Feb 2022. 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.