This page explains how Daniel Danai (USATT# 229681)'s rating went from 1521 to 1517 at the NJTTC Monday League event from 2 Mar 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.