This page explains how Kain Li (USATT# 270991)'s rating went from 690 to 687 at the TTA Beg/Inter League - SATURDAY event from 31 Jul 2022. 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.