This page explains how Hamid Khatibi (USATT# 216796)'s rating went from 1747 to 1740 at the Swan Sunday League event from 19 Jan 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.