This page explains how Howard P. Grossman (USATT# 6295)'s rating went from 1885 to 1877 at the 2018 BTTC Spring Open held on 21 Apr 2018 - 22 Apr 2018. 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.