This page explains how Nevin Dsouza (USATT# 268332)'s rating went from 213 to 206 at the AZ PTTC Monday event from 10 Feb 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.