This page explains how Michael Chen (USATT# 22140)'s rating went from 1991 to 1992 at the Florida Orange Blossom Series Fall 2017 Open held on 27 Oct 2017 - 28 Oct 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.