This page explains how Timothy Richard Doerr (USATT# 5407)'s rating went from 1381 to 1381 at the WMITT event from 16 Jan 2020. 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.