This page explains how Dan Chung (USATT# 264714)'s rating went from 1245 to 1142 at the TTA Beg/Inter League - SATURDAY event from 20 Nov 2021. 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.