This page explains how Timothy Richard Doerr (USATT# 5407)'s rating went from 1407 to 1393 at the WMITT event from 1 Nov 2018. 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.