This page explains how Joe Halligan (USATT# 277364)'s rating went from 141 to 105 at the TTA Beg/Inter League - SATURDAY event from 4 Feb 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.