This page explains how Ameer Hossein Jafri (USATT# 1131709)'s rating went from 1142 to 1141 at the SATTA League event from 21 Feb 2020. 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.