This page explains how Daniel Peterossi Rodrigues Santos (USATT# 201782)'s rating went from 2259 to 2254 at the Florida Orange Blossom Series Spring Classic 2017 held on 5 May 2017 - 6 May 2017. 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.