This page explains how Vinicius Patrinhani (USATT# 222458)'s rating went from 519 to 486 at the AMDT event from 8 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.