This page explains how Rene Arellano (USATT# 1166841)'s rating went from 258 to 263 at the AMDT event from 11 Dec 2019. 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.