27 Mar 2021 - 28 Mar 2021
This page explains how Robert Page (USATT# 59575)'s rating went from 1959 to 1899 at the 2021 US National TT Championships Massachusetts State Qualifier held on 27 Mar 2021 - 28 Mar 2021. The links below take you to pages that describe various aspects of the ratings processor.
The ratings 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.