This page explains how Chi Cheng (USATT# 114550)'s rating went from 1364 to 1347 at the TTA Adv League - SUNDAY event from 20 Aug 2023. 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.