This page explains how Alice Chen (USATT# 1171853)'s rating went from 153 to 134 at the TTA Beg/Inter League - SATURDAY event from 16 Oct 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.